Teo Camarasu pushed to branch wip/T24624 at Glasgow Haskell Compiler / GHC

Commits:

• 2b39cd94
  by Simon Marlow at 2002-04-04T16:23:43+00:00

  [haddock @ 2002-04-04 16:23:43 by simonmar]
  This is Haddock, my stab at a Haskell documentation tool.  It's not
  quite ready for release yet, but I'm putting it in the repository so
  others can take a look.
  
  It uses a locally modified version of the hssource parser, extended
  with support for GHC extensions and documentation annotations.
  

• 99ede94f
  by Simon Marlow at 2002-04-04T16:24:10+00:00

  [haddock @ 2002-04-04 16:24:10 by simonmar]
  forgot one file
  

• 8363294c
  by Simon Marlow at 2002-04-05T13:58:15+00:00

  [haddock @ 2002-04-05 13:58:15 by simonmar]
  Remap names in the exported declarations to be "closer" to the current
  module.  eg. if an exported declaration mentions a type 'T' which is
  imported from module A then re-exported from the current module, then
  links from the type or indeed the documentation will point to the
  current module rather than module A.
  
  This is to support better hiding: module A won't be referred to in the
  generated output.
  

• 1570cbc1
  by Simon Marlow at 2002-04-05T13:58:23+00:00

  [haddock @ 2002-04-05 13:58:23 by simonmar]
  update the TODO list
  

• 3a62f96b
  by Simon Marlow at 2002-04-05T14:11:51+00:00

  [haddock @ 2002-04-05 14:11:51 by simonmar]
  Fix the anchor for a class declaration
  

• c5d9a471
  by Simon Marlow at 2002-04-05T14:18:41+00:00

  [haddock @ 2002-04-05 14:18:41 by simonmar]
  remove underlines on visited links
  

• 97280525
  by Simon Marlow at 2002-04-05T16:11:47+00:00

  [haddock @ 2002-04-05 16:11:47 by simonmar]
  - Update to generate more correct HTML.
  
  - Use our own non-overloaded table combinators, as the overloaded
    versions were giving me a headache.  The improved type safety
    caught several errors in the HTML generation.
  

• 9acd3a4d
  by Simon Marlow at 2002-04-05T16:32:19+00:00

  [haddock @ 2002-04-05 16:32:19 by simonmar]
  Add width property to the title, and add TD.children for the module
  contents page.
  

• ec9a0847
  by Simon Marlow at 2002-04-08T16:39:56+00:00

  [haddock @ 2002-04-08 16:39:56 by simonmar]
  Fix a problem with exports of the form T(..).
  

• e4627dc8
  by Simon Marlow at 2002-04-08T16:41:38+00:00

  [haddock @ 2002-04-08 16:41:37 by simonmar]
  - Add our own versions of Html & BlockTable for the time being.
  - Add support for generating an index to the HTML backend
  

• 2d73fd75
  by Simon Marlow at 2002-04-09T11:23:24+00:00

  [haddock @ 2002-04-09 11:23:24 by simonmar]
  Add '-- /' as a synonym for '-- |', for compatibility with IDoc.
  

• 3675464e
  by Simon Marlow at 2002-04-09T11:33:55+00:00

  [haddock @ 2002-04-09 11:33:54 by simonmar]
  - add the <...> syntax for marking up URLs in documentation
  
  - Make the output for data & class declarations more compact when
    there aren't any documentation annotations on the individual
    methods or constructors respectively.
  

• 5077f5b1
  by Simon Marlow at 2002-04-09T11:36:04+00:00

  [haddock @ 2002-04-09 11:36:04 by simonmar]
  Update the TODO list
  

• 9e83c54d
  by Simon Marlow at 2002-04-10T10:50:06+00:00

  [haddock @ 2002-04-10 10:50:06 by simonmar]
  Use explicit 'px' suffix on pixel sizes; IE seems to prefer them
  

• 052de51c
  by Simon Marlow at 2002-04-10T13:23:13+00:00

  [haddock @ 2002-04-10 13:23:13 by simonmar]
  Lex URLs as a single token to avoid having to escape special
  characters inside the URL string.
  

• 47187edb
  by Simon Marlow at 2002-04-10T13:23:55+00:00

  [haddock @ 2002-04-10 13:23:55 by simonmar]
  Not sure why I made the constructor name for a record declaration into
  a TyCls name, but change it back into a Var name anyhow.
  

• 3dc6aa81
  by Simon Marlow at 2002-04-10T13:26:10+00:00

  [haddock @ 2002-04-10 13:26:09 by simonmar]
  Lots of changes, including:
  
  - add index support to the HTML backend
  - clean up the renamer, put it into a monad
  - propogate unresolved names to the top level and report them in a nicer way
  - various bugfixes
  

• c2a70a72
  by Simon Marlow at 2002-04-10T13:32:39+00:00

  [haddock @ 2002-04-10 13:32:39 by simonmar]
  Skeleton documentation
  

• 50c98d17
  by Simon Marlow at 2002-04-10T13:37:23+00:00

  [haddock @ 2002-04-10 13:37:23 by simonmar]
  Update the TODO list, separate into pre-1.0 and post-1.0 items
  

• f3778be6
  by Simon Marlow at 2002-04-10T14:30:58+00:00

  [haddock @ 2002-04-10 14:30:58 by simonmar]
  Add an introduction
  

• cfbaf9f7
  by Simon Marlow at 2002-04-10T14:59:51+00:00

  [haddock @ 2002-04-10 14:59:51 by simonmar]
  Sort the module tree
  

• 76bd7b34
  by Simon Marlow at 2002-04-10T15:50:11+00:00

  [haddock @ 2002-04-10 15:50:10 by simonmar]
  Generate a little table of contents at the top of the module doc (only
  if the module actually contains some section headings, though).
  

• bb8560a1
  by Simon Marlow at 2002-04-10T16:10:26+00:00

  [haddock @ 2002-04-10 16:10:26 by simonmar]
  Now we understand (or at least don't barf on) type signatures in
  patterns such as you might find when scoped type variables are in use.
  

• 86c2a026
  by Simon Marlow at 2002-04-10T16:10:49+00:00

  [haddock @ 2002-04-10 16:10:49 by simonmar]
  more updates
  

• 1c052b0e
  by Simon Marlow at 2002-04-10T16:28:05+00:00

  [haddock @ 2002-04-10 16:28:05 by simonmar]
  Parse errors in doc strings are now reported as warnings rather that
  causing the whole thing to fall over.  It still needs cleaning up (the
  warning is emitted with trace) but this will do for the time being.
  

• ace03e8f
  by Simon Marlow at 2002-04-10T16:38:03+00:00

  [haddock @ 2002-04-10 16:38:03 by simonmar]
  update again
  

• 69006c3e
  by Simon Marlow at 2002-04-11T13:38:02+00:00

  [haddock @ 2002-04-11 13:38:02 by simonmar]
  mention Opera
  

• fe9b10f8
  by Simon Marlow at 2002-04-11T13:40:31+00:00

  [haddock @ 2002-04-11 13:40:30 by simonmar]
  - copy haddock.css into the same place as the generated HTML
  
  - new option: --css <file>  specifies the style sheet to use
  
  - new option:  -o <dir>  specifies the directory in which to
    generate the output.
  
  - because Haddock now needs to know where to find its default stylesheet,
    we have to have a wrapper script and do the haddock-inplace thing
    (Makefile code copied largely from fptools/happy).
  

• 106adbbe
  by Simon Marlow at 2002-04-24T15:12:41+00:00

  [haddock @ 2002-04-24 15:12:41 by simonmar]
  Stop slurping comment lines when we see a row of dashes longer than
  length 2: these are useful as separators.
  

• 995d3f9e
  by Simon Marlow at 2002-04-24T15:14:12+00:00

  [haddock @ 2002-04-24 15:14:11 by simonmar]
  Grok the kind of module headers we use in fptools/libraries, and pass
  the "portability", "stability", and "maintainer" strings through into
  the generated HTML.  If the module header doesn't match the pattern,
  then we don't include the info in the HTML.
  

• e14da136
  by Simon Marlow at 2002-04-24T15:16:57+00:00

  [haddock @ 2002-04-24 15:16:57 by simonmar]
  Done module headers now.
  

• 2ca8dfd4
  by Simon Marlow at 2002-04-24T15:57:48+00:00

  [haddock @ 2002-04-24 15:57:47 by simonmar]
  Handle gcons in export lists (a common extension).
  

• 044cea81
  by Simon Marlow at 2002-04-25T14:20:12+00:00

  [haddock @ 2002-04-25 14:20:12 by simonmar]
  Add the little lambda icon
  

• 63955027
  by Simon Marlow at 2002-04-25T14:40:05+00:00

  [haddock @ 2002-04-25 14:40:05 by simonmar]
  - Add support for named chunks of documentation which can be
    referenced from the export list.
  
  - Copy the icon from $libdir to the destination in HTML mode.
  

• 36e3f913
  by Simon Marlow at 2002-04-25T16:48:36+00:00

  [haddock @ 2002-04-25 16:48:36 by simonmar]
  More keyboard bashing
  

• 7ae18dd0
  by Simon Marlow at 2002-04-26T08:43:33+00:00

  [haddock @ 2002-04-26 08:43:33 by simonmar]
  Package util reqd. to compile with 4.08.2
  

• bbd5fbab
  by Simon Marlow at 2002-04-26T10:13:00+00:00

  [haddock @ 2002-04-26 10:13:00 by simonmar]
  Include $(GHC_HAPPY_OPTS) when compiling HsParser
  

• 31c53d79
  by Simon Marlow at 2002-04-26T11:18:57+00:00

  [haddock @ 2002-04-26 11:18:56 by simonmar]
  - support for fundeps (partially contributed by Brett Letner - thanks
    Brett).
  
  - make it build with GHC 4.08.2
  

• c415ce76
  by Simon Marlow at 2002-04-26T13:15:02+00:00

  [haddock @ 2002-04-26 13:15:02 by simonmar]
  Move the explicit formatting of the little table for the
  stability/portability/maintainer info from the HTML into the CSS, and
  remove the explicit table size (just right-align it).
  

• 520ee21a
  by Simon Marlow at 2002-04-26T16:01:44+00:00

  [haddock @ 2002-04-26 16:01:44 by simonmar]
  Yet more keyboard bashing - this is pretty much complete now.
  

• 2ae37179
  by Simon Marlow at 2002-04-26T16:02:14+00:00

  [haddock @ 2002-04-26 16:02:14 by simonmar]
  Add a couple of things I forgot about
  

• b7211e04
  by Simon Marlow at 2002-04-29T15:28:12+00:00

  [haddock @ 2002-04-29 15:28:12 by simonmar]
  bugfix for declBinders on a NewTypeDecl
  

• 640c154a
  by Simon Marlow at 2002-04-29T15:28:54+00:00

  [haddock @ 2002-04-29 15:28:54 by simonmar]
  Allow '-- |' style annotations on constructors and record fields.
  

• 393f258a
  by Simon Marlow at 2002-04-29T15:37:32+00:00

  [haddock @ 2002-04-29 15:37:32 by simonmar]
  syntax fix
  

• 8a2c2549
  by Simon Marlow at 2002-04-29T15:37:48+00:00

  [haddock @ 2002-04-29 15:37:48 by simonmar]
  Add an example
  

• db88f8a2
  by Simon Marlow at 2002-04-29T15:55:46+00:00

  [haddock @ 2002-04-29 15:55:46 by simonmar]
  remove a trace
  

• 2b0248e0
  by Simon Marlow at 2002-04-29T15:56:19+00:00

  [haddock @ 2002-04-29 15:56:19 by simonmar]
  Fix for 'make install'
  

• 120453a0
  by Simon Marlow at 2002-04-29T15:56:39+00:00

  [haddock @ 2002-04-29 15:56:39 by simonmar]
  Install the auxilliary bits
  

• 950e6dbb
  by Simon Marlow at 2002-04-29T15:57:30+00:00

  [haddock @ 2002-04-29 15:57:30 by simonmar]
  Add BinDist bits
  

• 154b9d71
  by Simon Marlow at 2002-05-01T11:02:52+00:00

  [haddock @ 2002-05-01 11:02:52 by simonmar]
  update
  

• ba6c39fa
  by Simon Marlow at 2002-05-01T11:03:26+00:00

  [haddock @ 2002-05-01 11:03:26 by simonmar]
  Add another item
  

• bacb5e33
  by Simon Marlow at 2002-05-03T08:50:00+00:00

  [haddock @ 2002-05-03 08:50:00 by simonmar]
  Fix some typos.
  

• 54c87895
  by Sven Panne at 2002-05-05T19:40:51+00:00

  [haddock @ 2002-05-05 19:40:51 by panne]
  As a temporary hack/workaround for a bug in GHC's simplifier, don't
  pass Happy the -c option for generating the parsers in this
  subdir. Furthermore, disable -O for HaddocParse, too.
  

• e6c08703
  by Simon Marlow at 2002-05-06T09:51:10+00:00

  [haddock @ 2002-05-06 09:51:10 by simonmar]
  Add RPM spec file (thanks to Tom Moertel <tom-rpms@moertel.com>)
  

• 7b8fa8e7
  by Simon Marlow at 2002-05-06T12:29:26+00:00

  [haddock @ 2002-05-06 12:29:26 by simonmar]
  Add missing type signature (a different workaround for the bug in
  GHC's simplifier).
  

• cd0e300d
  by Simon Marlow at 2002-05-06T12:30:09+00:00

  [haddock @ 2002-05-06 12:30:09 by simonmar]
  Remove workaround for simplifier bug in previous revision.
  

• 687e68fa
  by Simon Marlow at 2002-05-06T12:32:32+00:00

  [haddock @ 2002-05-06 12:32:32 by simonmar]
  Allow empty data declarations (another GHC extension).
  

• 8f29f696
  by Simon Marlow at 2002-05-06T12:49:21+00:00

  [haddock @ 2002-05-06 12:49:21 by simonmar]
  Fix silly bug in named documentation block lookup.
  

• 8e0059af
  by Simon Marlow at 2002-05-06T13:02:42+00:00

  [haddock @ 2002-05-06 13:02:42 by simonmar]
  Add another named chunk with a different name
  

• 68f8a896
  by Simon Marlow at 2002-05-06T13:32:32+00:00

  [haddock @ 2002-05-06 13:32:32 by simonmar]
  Be more lenient about extra paragraph breaks
  

• 65fc31db
  by Simon Marlow at 2002-05-07T15:36:36+00:00

  [haddock @ 2002-05-07 15:36:36 by simonmar]
  DocEmpty is a right and left-unit of DocAppend (remove it in the smart
  constructor).
  

• adc81078
  by Simon Marlow at 2002-05-07T15:37:15+00:00

  [haddock @ 2002-05-07 15:37:15 by simonmar]
  Allow code blocks to be denoted with bird-tracks in addition to [...].
  

• 1283a3c1
  by Simon Marlow at 2002-05-08T11:21:56+00:00

  [haddock @ 2002-05-08 11:21:56 by simonmar]
  Add a facility for specifying options that affect Haddock's treatment
  of the module.  Options are given at the top of the module in a
  comma-separated list, beginning with '-- #'.  eg.
  
  	-- # prune, hide, ignore-exports
  
  Options currently available, with their meanings:
  
    prune:
  	ignore declarations which have no documentation annotations
  
    ignore-exports:
  	act as if the export list were not specified (i.e. export
     	everything local to the module).
  
    hide:
  	do not include this module in the generated documentation, but
   	propagate any exported definitions to modules which re-export
  	them.
  
  There's a slight change in the semantics for re-exporting a full
  module by giving 'module M' in the export list: if module M does not
  have the 'hide' option, then the documentation will now just contain a
  reference to module M rather than the full inlined contents of that
  module.
  
  These features, and some other changes in the pipeline, are the result
  of discussions between myself and Manuel Chakravarty
  <chak@cse.unsw.edu.au> (author of IDoc) yesterday.
  
  Also: some cleanups, use a Writer monad to collect error messages in
  some places instead of just printing them with trace.
  

• a2239cf5
  by Simon Marlow at 2002-05-08T11:22:30+00:00

  [haddock @ 2002-05-08 11:22:30 by simonmar]
  Update to test new features.
  

• 6add955f
  by Simon Marlow at 2002-05-08T13:37:25+00:00

  [haddock @ 2002-05-08 13:37:25 by simonmar]
  Change the markup for typewriter-font from [...] to @...@.  The
  reasoning is that the '@' symbol is much less likely to be needed than
  square brackets, and we don't want to have to escape square brackets
  in code fragments.
  
  This will be mildly painful in the short term, but it's better to get
  the change out of the way as early as possible.
  

• cda06447
  by Simon Marlow at 2002-05-08T13:39:56+00:00

  [haddock @ 2002-05-08 13:39:56 by simonmar]
  Allow nested-style comments to be used as documentation annotations too. eg.
  
  	{-| ... -}
  
  is equivalent to
  
  	-- | ...
  
  An extra space can also be left after the comment opener: {- | ... -}.
  The only version that isn't allowed is {-# ... -}, because this syntax
  overlaps with Haskell pragmas;  use {- # ... -} instead.
  

• db23f65e
  by Simon Marlow at 2002-05-08T14:48:41+00:00

  [haddock @ 2002-05-08 14:48:39 by simonmar]
  Add support for existential quantifiers on constructors.
  

• adce3794
  by Simon Marlow at 2002-05-08T15:43:25+00:00

  [haddock @ 2002-05-08 15:43:25 by simonmar]
  update
  

• 62a1f436
  by Simon Marlow at 2002-05-08T15:44:10+00:00

  [haddock @ 2002-05-08 15:44:10 by simonmar]
  Update to version 0.2
  

• f6a24ba3
  by Simon Marlow at 2002-05-09T08:48:29+00:00

  [haddock @ 2002-05-09 08:48:29 by simonmar]
  typo
  

• 9f9522a4
  by Simon Marlow at 2002-05-09T10:33:14+00:00

  [haddock @ 2002-05-09 10:33:14 by simonmar]
  oops, left out '/' from the special characters in the last change.
  

• 14abcb39
  by Simon Marlow at 2002-05-09T10:34:44+00:00

  [haddock @ 2002-05-09 10:34:44 by simonmar]
  Fix buglet
  

• b8d878be
  by Simon Marlow at 2002-05-09T10:35:00+00:00

  [haddock @ 2002-05-09 10:35:00 by simonmar]
  Give a more useful instance of Show for Module.
  

• f7bfd626
  by Simon Marlow at 2002-05-09T10:37:07+00:00

  [haddock @ 2002-05-09 10:37:07 by simonmar]
  The last commit to Main.lhs broke the delicate balance of laziness
  which was being used to avoid computing the dependency graph of
  modules.
  
  So I finally bit the bullet and did a proper topological sort of the
  module graph, which turned out to be easy (stealing the Digraph module
  from GHC - this really ought to be in the libraries somewhere).
  

• b481c1d0
  by Simon Marlow at 2002-05-09T10:37:25+00:00

  [haddock @ 2002-05-09 10:37:25 by simonmar]
  another item done
  

• 032e2b42
  by Simon Marlow at 2002-05-09T10:44:15+00:00

  [haddock @ 2002-05-09 10:44:15 by simonmar]
  Don't consider a module re-export as having documentation, for the
  purposes of deciding whether we need a Synopsis section or not.
  

• 5fb45e92
  by Simon Marlow at 2002-05-09T11:10:55+00:00

  [haddock @ 2002-05-09 11:10:55 by simonmar]
  Add a special case for list types in ppHsAType
  

• 1937e428
  by Simon Marlow at 2002-05-09T12:43:06+00:00

  [haddock @ 2002-05-09 12:43:06 by simonmar]
  Type synonyms can accept a ctype on the RHS, to match GHC.
  

• 0f16ce56
  by Simon Marlow at 2002-05-09T12:45:19+00:00

  [haddock @ 2002-05-09 12:45:19 by simonmar]
  Add 'stdcall' keyword
  

• 29b0d7d2
  by Simon Marlow at 2002-05-09T13:35:45+00:00

  [haddock @ 2002-05-09 13:35:45 by simonmar]
  Add System Requirements section
  

• bf14dddd
  by Simon Marlow at 2002-05-09T13:36:11+00:00

  [haddock @ 2002-05-09 13:36:11 by simonmar]
  Test existential types, amongst other things
  

• 502f8f6f
  by Simon Marlow at 2002-05-09T13:37:35+00:00

  [haddock @ 2002-05-09 13:37:35 by simonmar]
  Print the module name in a doc-string parse error
  

• ca1f8d49
  by Simon Marlow at 2002-05-09T13:38:04+00:00

  [haddock @ 2002-05-09 13:38:04 by simonmar]
  Add dependency
  

• 8d3d91ff
  by Simon Marlow at 2002-05-09T15:37:57+00:00

  [haddock @ 2002-05-09 15:37:57 by simonmar]
  Add the changelog/release notes
  

• f3960959
  by Simon Marlow at 2002-05-09T15:47:47+00:00

  [haddock @ 2002-05-09 15:47:47 by simonmar]
  mention the backquote-style of markup
  

• 089fb6e6
  by Simon Marlow at 2002-05-09T15:59:45+00:00

  [haddock @ 2002-05-09 15:59:45 by simonmar]
  update
  

• bdd3be0b
  by Simon Marlow at 2002-05-09T15:59:56+00:00

  [haddock @ 2002-05-09 15:59:56 by simonmar]
  Document changes since 0.1
  

• 00fc4af8
  by Simon Marlow at 2002-05-10T08:22:48+00:00

  [haddock @ 2002-05-10 08:22:48 by simonmar]
  oops, update to version 0.2
  

• a8a79041
  by Simon Marlow at 2002-05-10T16:05:08+00:00

  [haddock @ 2002-05-10 16:05:08 by simonmar]
  Only include a mini-contents if there are 2 or more sections
  

• 06653319
  by Simon Marlow at 2002-05-13T09:13:12+00:00

  [haddock @ 2002-05-13 09:13:12 by simonmar]
  fix typos
  

• 1402b19b
  by Simon Marlow at 2002-05-13T10:14:22+00:00

  [haddock @ 2002-05-13 10:14:22 by simonmar]
  Allow backquote as the right-hand quote as well as the left-hand
  quote, as suggested by Dean Herrington.
  
  Clean up the grammar a litte.
  

• dcd5320d
  by Simon Marlow at 2002-05-13T10:44:10+00:00

  [haddock @ 2002-05-13 10:44:10 by simonmar]
  a couple more things, prioritise a bit
  

• a90130c4
  by Simon Marlow at 2002-05-13T15:19:03+00:00

  [haddock @ 2002-05-13 15:19:03 by simonmar]
  Cope with datatypes which have documentation on the constructor but
  not the type itself, and records which have documentation on the
  fields but not the constructor.  (Thanks to Ross Paterson for pointing
  out the bugs).
  

• a774d432
  by Simon Marlow at 2002-05-13T15:20:54+00:00

  [haddock @ 2002-05-13 15:20:54 by simonmar]
  Fix one of the record examples
  

• 2d1d5218
  by Simon Marlow at 2002-05-15T12:44:35+00:00

  [haddock @ 2002-05-15 12:44:35 by simonmar]
  Preserve the newline before a bird-track, but only within a paragraph.
  

• 1554c09a
  by Simon Marlow at 2002-05-15T13:03:02+00:00

  [haddock @ 2002-05-15 13:03:01 by simonmar]
  Reworking of the internals to support documenting function arguments
  (the Most Wanted new feature by the punters).
  
  The old method of keeping parsed documentation in a Name -> Doc
  mapping wasn't going to cut it for anntations on type components,
  where there's no name to attach the documentation to, so I've moved to
  storing all the documentation in the abstract syntax.  Previously some
  of the documentation was left in the abstract syntax by the parser,
  but was later extracted into the mapping.
  
  In order to avoid having to parameterise the abstract syntax over the
  type of documentation stored in it, we have to parse the documentation
  at the same time as we parse the Haskell source (well, I suppose we
  could store 'Either String Doc' in the HsSyn, but that's clunky).  One
  upshot is that documentation is now parsed eagerly, and documentation
  parse errors are fatal (but have better line numbers in the error
  message).
  
  The new story simplifies matters for the code that processes the
  source modules, because we don't have to maintain the extra Name->Doc
  mapping, and it should improve efficiency a little too.
  
  New features:
  
    - Function arguments and return values can now have doc annotations.
  
    - If you refer to a qualified name in a doc string, eg. 'IO.putStr',
      then Haddock will emit a hyperlink even if the identifier is not
      in scope, so you don't have to make sure everything referred to
      from the documentation is imported.
  
    - several bugs & minor infelicities fixed.
  

• 57344dc3
  by Simon Marlow at 2002-05-15T13:03:19+00:00

  [haddock @ 2002-05-15 13:03:19 by simonmar]
  Bump to version 0.3
  

• b2791812
  by Simon Marlow at 2002-05-15T13:03:41+00:00

  [haddock @ 2002-05-15 13:03:41 by simonmar]
  update
  

• fead183e
  by Simon Marlow at 2002-05-15T13:10:15+00:00

  [haddock @ 2002-05-15 13:10:15 by simonmar]
  Rename Foo.hs to Test.hs, and add a Makefile
  

• b0b1f89f
  by Simon Marlow at 2002-05-15T13:16:07+00:00

  [haddock @ 2002-05-15 13:16:07 by simonmar]
  - Remove the note about function argument docs not being implemented
  
  - Note that qualified identifiers can be used to point to entities
    that aren't in scope.
  

• 5665f31a
  by Simon Marlow at 2002-05-15T13:28:46+00:00

  [haddock @ 2002-05-15 13:28:46 by simonmar]
  Patch to add support for GHC-style primitive strings ".."#, from Ross Paterson.
  

• 0564505d
  by Simon Marlow at 2002-05-17T10:51:57+00:00

  [haddock @ 2002-05-17 10:51:57 by simonmar]
  Fix bugs in qualified name handling (A.B.f was returned as B.f)
  

• 10e7311c
  by Simon Marlow at 2002-05-21T10:24:52+00:00

  [haddock @ 2002-05-21 10:24:52 by simonmar]
  - Use an alternate tabular layout for datatypes, which is more compact
  - Fix some problems with the function argument documentation
  

• 2f91c2a6
  by Simon Marlow at 2002-05-21T10:27:40+00:00

  [haddock @ 2002-05-21 10:27:40 by simonmar]
  add a few more test cases
  

• 01c2ddd2
  by Simon Marlow at 2002-05-21T10:28:33+00:00

  [haddock @ 2002-05-21 10:28:33 by simonmar]
  Rearrange a bit, and add support for tabular datatype rendering
  

• a4e4c5f8
  by Simon Marlow at 2002-05-27T09:03:52+00:00

  [haddock @ 2002-05-27 09:03:51 by simonmar]
  Lots of changes:
  
   - instances of a class are listed with the class, and
     instances involving a datatype are listed with that type.
     Derived instances aren't included at the moment: the calculation
     to find the instance head for a derived instance is non-trivial.
  
   - some formatting changes; use rows with specified height rather than
     cellspacing in some places.
  
   - various fixes (source file links were wrong, amongst others)
  

• 48722e68
  by Simon Marlow at 2002-05-27T12:30:38+00:00

  [haddock @ 2002-05-27 12:30:37 by simonmar]
  - Put function arguments *before* the doc for the function, as suggested
    by Sven Panne.  This looks nicer when the function documentation is
    long.
  
  - Switch to using bold for binders at the definition site, and use
    underline for keywords.  This makes the binder stand out more.
  

• 657204d2
  by Simon Marlow at 2002-05-27T13:19:49+00:00

  [haddock @ 2002-05-27 13:19:49 by simonmar]
  Fix bug: we weren't renaming HsDocCommentNamed in renameDecl
  

• 592aae66
  by Simon Marlow at 2002-05-27T14:10:27+00:00

  [haddock @ 2002-05-27 14:10:27 by simonmar]
  Fix some bugs in the rendering of qualified type signatures.
  

• 69c8f763
  by Simon Marlow at 2002-05-27T14:36:45+00:00

  [haddock @ 2002-05-27 14:36:45 by simonmar]
  warning message tweak
  

• 16e64e21
  by Simon Marlow at 2002-05-27T14:53:53+00:00

  [haddock @ 2002-05-27 14:53:53 by simonmar]
  hyperlinked identifiers should be in <tt>
  

• 8d5e4783
  by Simon Marlow at 2002-05-27T15:56:45+00:00

  [haddock @ 2002-05-27 15:56:45 by simonmar]
  Do something sensible for modules which don't export anything (except
  instances).
  

• 9d3ef811
  by Simon Marlow at 2002-05-28T10:12:50+00:00

  [haddock @ 2002-05-28 10:12:50 by simonmar]
  Rename the module documentation properly (bug reported by Sven Panne).
  

• ef03a1cc
  by Simon Marlow at 2002-05-28T10:13:04+00:00

  [haddock @ 2002-05-28 10:13:04 by simonmar]
  Add some more test cases
  

• 92baa0e8
  by Simon Marlow at 2002-05-28T11:17:55+00:00

  [haddock @ 2002-05-28 11:17:55 by simonmar]
  If an identifier doesn't lex, then just replace it by a DocString.
  

• a3156213
  by Simon Marlow at 2002-05-28T16:16:19+00:00

  [haddock @ 2002-05-28 16:16:19 by simonmar]
  Only link to names in the current module which are actually listed in
  the documentation.  A name may be exported but not present in the
  documentation if it is exported as part of a 'module M' export
  specifier.
  

• 31acf941
  by Simon Marlow at 2002-05-28T16:17:11+00:00

  [haddock @ 2002-05-28 16:17:11 by simonmar]
  update
  

• 7e474ebf
  by Sigbjorn Finne at 2002-05-28T22:42:08+00:00

  [haddock @ 2002-05-28 22:42:08 by sof]
  Handle lone occurrences of '/', e.g.,
  
    -- | This/that.
  
  [did this in the lexer rather than in the parser, as I couldn't
   see a way not to introduce an S/R conflict that way.]
  

• 093f7e53
  by Simon Marlow at 2002-05-29T09:09:49+00:00

  [haddock @ 2002-05-29 09:09:49 by simonmar]
  Back out previous change until we can find a better way to do this.
  

• 9234389c
  by Simon Marlow at 2002-05-29T13:19:06+00:00

  [haddock @ 2002-05-29 13:19:06 by simonmar]
  Make the markup syntax a little more friendly:
  
    - single quotes are now interpreted literally unless they surround a
      valid Haskell identifier.  So for example now there's no need to
      escape a single quote used as an apostrophe.
  
    - text to the right of a bird track is now literal (if you want
      marked-up text in a code block, use @...@).
  

• b3333526
  by Simon Marlow at 2002-05-29T13:38:51+00:00

  [haddock @ 2002-05-29 13:38:51 by simonmar]
  Document recent changes to markup syntax
  

• f93641d6
  by Simon Marlow at 2002-05-29T15:27:18+00:00

  [haddock @ 2002-05-29 15:27:18 by simonmar]
  Include the instances in abstract data types too
  

• 613f21e3
  by Simon Marlow at 2002-06-03T13:05:58+00:00

  [haddock @ 2002-06-03 13:05:57 by simonmar]
  Allow exporting of individual class methods and record selectors.  For
  these we have to invent the correct type signature, which we do in the
  simplest possible way (i.e. no context reduction nonsense in the class
  case).
  

• 14b36807
  by Simon Marlow at 2002-06-03T13:20:00+00:00

  [haddock @ 2002-06-03 13:20:00 by simonmar]
  Fix linking to qualified names again (thanks to Sven Panne for
  pointing out the bug).
  

• 95b10eac
  by Simon Marlow at 2002-06-03T13:46:48+00:00

  [haddock @ 2002-06-03 13:46:48 by simonmar]
  Fix for exporting record selectors from a newtype declaration
  

• 272f932e
  by Simon Marlow at 2002-06-03T13:56:38+00:00

  [haddock @ 2002-06-03 13:56:38 by simonmar]
  update to version 0.3
  

• 1c0a3bed
  by Simon Marlow at 2002-06-03T14:05:07+00:00

  [haddock @ 2002-06-03 14:05:07 by simonmar]
  Add changes in version 0.3
  

• 145b4626
  by Simon Marlow at 2002-06-03T14:12:38+00:00

  [haddock @ 2002-06-03 14:12:38 by simonmar]
  Render class names as proper binders
  

• 052106b3
  by Simon Marlow at 2002-06-03T14:15:10+00:00

  [haddock @ 2002-06-03 14:15:10 by simonmar]
  update, and separate into bugs, features, and cosmetic items.
  

• 854f4914
  by Simon Marlow at 2002-06-03T14:16:13+00:00

  [haddock @ 2002-06-03 14:16:13 by simonmar]
  More test cases
  

• 466922c8
  by Simon Marlow at 2002-06-03T14:16:56+00:00

  [haddock @ 2002-06-03 14:16:56 by simonmar]
  Example from the paper
  

• 9962a045
  by Simon Marlow at 2002-06-03T14:17:49+00:00

  [haddock @ 2002-06-03 14:17:49 by simonmar]
  A debugging version of the style-sheet, which gives some tables
  coloured backgrounds so we can see what's going on.
  

• f16b79db
  by Simon Marlow at 2002-06-03T14:19:46+00:00

  [haddock @ 2002-06-03 14:19:46 by simonmar]
  typo
  

• 620db27b
  by Simon Marlow at 2002-06-03T14:48:32+00:00

  [haddock @ 2002-06-03 14:48:32 by simonmar]
  oops, fix markup bugs
  

• 53fd105c
  by Simon Marlow at 2002-06-05T09:05:07+00:00

  [haddock @ 2002-06-05 09:05:07 by simonmar]
  Keep foreign imports when there is no export list (bug reported by
  Sven Panne).
  

• 6d98989c
  by Simon Marlow at 2002-06-05T09:12:02+00:00

  [haddock @ 2002-06-05 09:12:02 by simonmar]
  Identifiers in single quotes can be symbol names too (bug reported by
  Hal Daume).
  

• 001811e5
  by Sven Panne at 2002-06-08T14:03:36+00:00

  [haddock @ 2002-06-08 14:03:36 by panne]
  Tiny workaround for the fact that Haddock currently ignores
  HsImportSpecs: Let the local_orig_env take precedence.
  This is no real solution at all, but improves things sometimes,
  e.g. in my GLUT documentation.  :-)
  

• 504d19c9
  by Simon Marlow at 2002-06-11T09:23:25+00:00

  [haddock @ 2002-06-11 09:23:25 by simonmar]
  portability nit
  

• e13b5af4
  by Simon Marlow at 2002-06-20T12:38:07+00:00

  [haddock @ 2002-06-20 12:38:07 by simonmar]
  Empty declaration fixes.
  

• f467a9b6
  by Simon Marlow at 2002-06-20T12:39:02+00:00

  [haddock @ 2002-06-20 12:39:01 by simonmar]
  Add support for a "prologue" - a description for the whole library,
  placed on the contents page before the module list.
  

• b8dbfe20
  by Simon Marlow at 2002-06-21T12:43:06+00:00

  [haddock @ 2002-06-21 12:43:06 by simonmar]
  When we have a single code block paragraph, don't place it in
  <pre>..</pre>, just use <tt>..</tt> to avoid generating extra vertical
  white space in some browsers.
  

• 4831dbbd
  by Simon Marlow at 2002-06-21T15:50:42+00:00

  [haddock @ 2002-06-21 15:50:42 by simonmar]
  Add support for reading and writing interface files(!)
  
  This turned out to be quite easy, and necessary to get decent
  hyperlinks between the documentation for separate packages in the
  libraries.
  
  The functionality isn't quite complete yet: for a given package of
  modules, you'd like to say "the HTML for these modules lives in
  directory <dir>" (currently they are assumed to be all in the same
  place).
  
  Two new flags:
  
  	--dump-interface=FILE   dump an interface file in FILE
  	--read-interface=FILE	read interface from FILE
  
  an interface file describes *all* the modules being processed.  Only
  the exported names are kept in the interface: if you re-export a name
  from a module in another interface the signature won't be copied.
  This is a compromise to keep the size of the interfaces sensible.
  
  Also, I added another useful option:
  
  	--no-implicit-prelude
  
  avoids trying to import the Prelude.  Previously this was the default,
  but now importing the Prelude from elsewhere makes sense if you also
  read in an interface containing the Prelude module, so Haddock imports
  the Prelude implicitly according to the Haskell spec.
  

• d3640a19
  by Sven Panne at 2002-06-23T14:54:00+00:00

  [haddock @ 2002-06-23 14:54:00 by panne]
  Make it compile with newer GHCs
  

• 780c506b
  by Sven Panne at 2002-06-23T15:44:31+00:00

  [haddock @ 2002-06-23 15:44:31 by panne]
  Cleaned up build root handling and added more docs
  

• 45290d2e
  by Simon Marlow at 2002-06-24T14:37:43+00:00

  [haddock @ 2002-06-24 14:37:42 by simonmar]
  When reading an interface, allow a file path offset to be specified
  which represents the path to the HTML files for the modules specified
  by that interface.  The path may be either relative (to the location
  of the HTML for this package), or absolute.
  
  The syntax is
  
  	--read-interface=PATH,FILE
  
  where PATH is the path to the HTML, and FILE is the filename
  containing the interface.
  

• 4e2b9ae6
  by Simon Marlow at 2002-07-03T16:01:08+00:00

  [haddock @ 2002-07-03 16:01:07 by simonmar]
  Handle import specs properly, include 'hiding'.  Haddock now has a
  complete implementation of the Haskell module system (more or less; I
  won't claim it's 100% correct).
  

• 9a9aa1a8
  by Simon Marlow at 2002-07-03T16:18:16+00:00

  [haddock @ 2002-07-03 16:18:16 by simonmar]
  Update
  

• 560c3026
  by Simon Marlow at 2002-07-04T14:56:10+00:00

  [haddock @ 2002-07-04 14:56:10 by simonmar]
  Clean up the code that constructs the exported declarations, and fix a
  couple of bugs along the way.  Now if you import a class hiding one of
  the methods, then re-export the class, the version in the
  documentation will correctly have the appropriate method removed.
  

• 2c26e77d
  by Simon Marlow at 2002-07-04T15:26:13+00:00

  [haddock @ 2002-07-04 15:26:13 by simonmar]
  More bugfixes to the export handling
  

• 03e0710d
  by Simon Marlow at 2002-07-09T10:12:10+00:00

  [haddock @ 2002-07-09 10:12:10 by simonmar]
  Don't require that the list type comes from "Prelude" for it to be
  treated as special syntax (sometimes it comes from Data.List or maybe
  even GHC.Base).
  

• 44f3891a
  by Simon Marlow at 2002-07-09T10:12:51+00:00

  [haddock @ 2002-07-09 10:12:51 by simonmar]
  commented-out debugging code
  

• 97280873
  by Krasimir Angelov at 2002-07-09T16:33:33+00:00

  [haddock @ 2002-07-09 16:33:31 by krasimir]
  'Microsoft HTML Help' support
  

• 3dc04655
  by Simon Marlow at 2002-07-10T09:40:56+00:00

  [haddock @ 2002-07-10 09:40:56 by simonmar]
  Fix for rendering of the (->) type constructor, from Ross Paterson.
  

• c9f149c6
  by Simon Marlow at 2002-07-10T10:26:11+00:00

  [haddock @ 2002-07-10 10:26:11 by simonmar]
  Tweaks to the MS Help support: the extra files are now only generated
  if you ask for them (--ms-help).
  

• e8acc1e6
  by Simon Marlow at 2002-07-10T10:57:10+00:00

  [haddock @ 2002-07-10 10:57:10 by simonmar]
  Document all the new options since 0.3
  

• 8bb85544
  by Simon Marlow at 2002-07-10T10:58:31+00:00

  [haddock @ 2002-07-10 10:58:31 by simonmar]
  Sort the options a bit
  

• abc0dd59
  by Simon Marlow at 2002-07-15T09:19:38+00:00

  [haddock @ 2002-07-15 09:19:38 by simonmar]
  Fix a bug in mkExportItems when processing a module without an
  explicit export list.  We were placing one copy of a declaration for
  each binder in the declaration, which for a data type would mean one
  copy of the whole declaration per constructor or record selector.
  

• dde65bb9
  by Simon Marlow at 2002-07-15T09:54:16+00:00

  [haddock @ 2002-07-15 09:54:16 by simonmar]
  merge rev. 1.35
  

• bd7eb8c4
  by Simon Marlow at 2002-07-15T10:14:31+00:00

  [haddock @ 2002-07-15 10:14:30 by simonmar]
  Be a bit more liberal in the kind of commenting styles we allow, as
  suggested by Malcolm Wallace.  Mostly this consists of allowing doc
  comments either side of a separator token.
  
  In an export list, a section heading is now allowed before the comma,
  as well as after it.  eg.
  
   	module M where (
  	    T(..)
  	  -- * a section heading
  	  , f
  	  -- * another section heading
  	  , g
          )
  
  In record fields, doc comments are allowed anywhere (previously a
  doc-next was allowed only after the comma, and a doc-before was
  allowed only before the comma).  eg.
  
  	data R = C {
  		-- | describes 'f'
  		  f :: Int
  		-- | describes 'g'
  		, g :: Int
  		}
  

• 8f6dfe34
  by Simon Marlow at 2002-07-15T10:21:56+00:00

  [haddock @ 2002-07-15 10:21:56 by simonmar]
  Mention alternative commenting styles.
  

• fc515bb7
  by Simon Marlow at 2002-07-15T16:16:50+00:00

  [haddock @ 2002-07-15 16:16:50 by simonmar]
  Allow multiple sections/subsections before and after a comma in the
  export list.
  
  Also at the same time I made the syntax a little stricter (multiple
  commas now aren't allowed between export specs).
  

• 80a97e74
  by Simon Marlow at 2002-07-19T09:13:10+00:00

  [haddock @ 2002-07-19 09:13:10 by simonmar]
  Allow special id's ([], (), etc.) to be used in an import declaration.
  

• a69d7378
  by Simon Marlow at 2002-07-19T09:59:02+00:00

  [haddock @ 2002-07-19 09:59:02 by simonmar]
  Allow special id's ([], (), etc.) to be used in an import declarations.
  

• d205fa60
  by Simon Marlow at 2002-07-19T10:00:16+00:00

  [haddock @ 2002-07-19 10:00:16 by simonmar]
  Relax the restrictions which require doc comments to be followed by
  semi colons - in some cases this isn't necessary.  Now you can write
  
  	module M where {
   	  -- | some doc
  	  class C where {}
   	}
  
  without needing to put a semicolon before the class declaration.
  

• e9301e14
  by Simon Marlow at 2002-07-23T08:24:09+00:00

  [haddock @ 2002-07-23 08:24:09 by simonmar]
  A new TODO list item
  

• e5d77586
  by Simon Marlow at 2002-07-23T08:40:56+00:00

  [haddock @ 2002-07-23 08:40:56 by simonmar]
  - update the acknowledgements
  
  - remove the paragraph that described how to use explicit layout with
    doc comments; it isn't relevant any more.
  

• 78a94137
  by Simon Marlow at 2002-07-23T08:43:02+00:00

  [haddock @ 2002-07-23 08:43:02 by simonmar]
  more tests
  

• 5c320927
  by Simon Marlow at 2002-07-23T08:43:26+00:00

  [haddock @ 2002-07-23 08:43:26 by simonmar]
  Updates for version 0.4
  

• 488e99ae
  by Simon Marlow at 2002-07-23T09:10:46+00:00

  [haddock @ 2002-07-23 09:10:46 by simonmar]
  Fix the %changelog (rpm complained that it wasn't in the right order)
  

• a77bb373
  by Simon Marlow at 2002-07-23T09:12:38+00:00

  [haddock @ 2002-07-23 09:12:38 by simonmar]
  Another item for the TODO list
  

• f1ec1813
  by Simon Marlow at 2002-07-23T10:18:46+00:00

  [haddock @ 2002-07-23 10:18:46 by simonmar]
  Add a version banner when invoked with -v
  

• 1d44cadf
  by Simon Marlow at 2002-07-24T09:28:19+00:00

  [haddock @ 2002-07-24 09:28:19 by simonmar]
  Remove ^Ms
  

• 4d8d5e94
  by Simon Marlow at 2002-07-24T09:42:18+00:00

  [haddock @ 2002-07-24 09:42:17 by simonmar]
  Patches to quieten ghc -Wall, from those nice folks at Galois.
  

• d6edc43e
  by Simon Marlow at 2002-07-25T14:37:29+00:00

  [haddock @ 2002-07-25 14:37:28 by simonmar]
  Patch to allow simple hyperlinking to an arbitrary location in another
  module's documentation, from Volker Stolz.
  
  Now in a doc comment:
  
    #foo#
  
  creates
  
    <a name="foo"></a>
  
  And you can use the form "M\#foo" to hyperlink to the label 'foo' in
  module 'M'.  Note that the backslash is necessary for now.
  

• b34d18fa
  by Simon Marlow at 2002-08-02T09:08:22+00:00

  [haddock @ 2002-08-02 09:08:22 by simonmar]
  The <TT> and <PRE> environments seem to use a font that is a little
  too small in IE.  Compensate.
  
  (suggestion from Daan Leijen).
  

• 8106b086
  by Simon Marlow at 2002-08-02T09:25:23+00:00

  [haddock @ 2002-08-02 09:25:20 by simonmar]
  Remove <P>..</P> from around list items, to reduce excess whitespace
  between the items of bulleted and ordered lists.
  
  (Suggestion from Daan Leijen).
  

• c1acff8f
  by Simon Marlow at 2002-08-05T09:03:49+00:00

  [haddock @ 2002-08-05 09:03:49 by simonmar]
  update
  

• f968661c
  by Simon Marlow at 2002-11-11T09:32:57+00:00

  [haddock @ 2002-11-11 09:32:57 by simonmar]
  Fix cut-n-pasto
  

• 12d02619
  by Simon Marlow at 2002-11-13T09:49:46+00:00

  [haddock @ 2002-11-13 09:49:46 by simonmar]
  Small bugfix in the --read-interface option parsing from Brett Letner.
  

• 30e32d5e
  by Ross Paterson at 2003-01-16T15:07:57+00:00

  [haddock @ 2003-01-16 15:07:57 by ross]
  Adjust for the new exception libraries (as well as the old ones).
  

• 871f65df
  by Sven Panne at 2003-02-20T21:31:40+00:00

  [haddock @ 2003-02-20 21:31:40 by panne]
  * Add varsyms and consyms to index
  * Exclude empty entries from index
  

• bc42cc87
  by Sven Panne at 2003-02-24T21:26:29+00:00

  [haddock @ 2003-02-24 21:26:29 by panne]
  Don't convert a "newtype" to a single-constructor "data" for
  non-abstractly exported types, they are quite different regarding
  strictness/pattern matching. Now a "data" without any constructors is
  only emitted for an abstractly exported type, regardless if it is
  actually a "newtype" or a "data".
  

• 0c2a1d99
  by Sven Panne at 2003-03-08T19:02:38+00:00

  [haddock @ 2003-03-08 19:02:38 by panne]
  Fixed some broken/redirected/canonicalized links found by a very picky
  link checker.
  

• 25459269
  by Sven Panne at 2003-03-09T21:13:43+00:00

  [haddock @ 2003-03-09 21:13:43 by panne]
  Don't append a fragment to non-defining index entries, only documents
  with a defining occurrence have a name anchor.
  

• 6be4db86
  by Sven Panne at 2003-03-10T21:34:25+00:00

  [haddock @ 2003-03-10 21:34:24 by panne]
  Escape fragments. This fixes e.g. links to operators.
  

• eb12972c
  by Ross Paterson at 2003-04-25T10:50:06+00:00

  [haddock @ 2003-04-25 10:50:05 by ross]
  An 80% solution to generating derived instances.  A complete solution
  would duplicate the instance inference logic, but if a type variable
  occurs as a constructor argument, then we can just propagate the derived
  class to the variable.  But we know nothing of the constraints on any
  type variables that occur elsewhere.  For example, the declarations
  
  	data Either a b = Left a | Right b deriving (Eq, Ord)
  	data Ptr a = Ptr Addr# deriving (Eq, Ord)
  	newtype IORef a = IORef (STRef RealWorld a) deriving Eq
  
  yield the instances
  
  	(Eq a, Eq b) => Eq (Either a b)
  	(Ord a, Ord b) => Ord (Either a b)
  	Eq (Ptr a)
  	Ord (Ptr a)
  	(??? a) => Eq (IORef a)
  
  The last example shows the limits of this local analysis.
  Note that a type variable may be in both categories: then we know a
  constraint, but there may be more, or a stronger constraint, e.g.
  
  	data Tree a = Node a [Tree a] deriving Eq
  yields
  	(Eq a, ??? a) => Eq (Tree a)
  

• de886f78
  by Simon Marlow at 2003-04-25T11:17:55+00:00

  [haddock @ 2003-04-25 11:17:55 by simonmar]
  Some updates, including moving the derived instance item down to the
  bottom of the list now that Ross has contributed some code that does
  the job for common cases.
  

• 1b52cffd
  by Simon Marlow at 2003-04-30T14:02:32+00:00

  [haddock @ 2003-04-30 14:02:32 by simonmar]
  When installing on Windows, run cygpath over $(HADDOCKLIB) so that
  haddock (a mingw program, built by GHC) can understand it.
  
  You still need to be in a cygwin environment to run Haddock, because
  of the shell script wrapper.
  

• d4f638de
  by Simon Marlow at 2003-05-06T10:04:47+00:00

  [haddock @ 2003-05-06 10:04:47 by simonmar]
  Catch another case of a paragraph containing just a DocMonospaced that
  should turn into a DocCodeBlock.
  

• 4162b2b9
  by Simon Marlow at 2003-05-06T10:11:44+00:00

  [haddock @ 2003-05-06 10:11:44 by simonmar]
  Add some more code-block tests.
  

• 4f5802c8
  by Simon Marlow at 2003-05-06T10:14:52+00:00

  [haddock @ 2003-05-06 10:14:52 by simonmar]
  Don't turn a single DocCodeBlock into a DocMonospaced, because that
  tends to remove the line breaks in the code.
  

• ef8c45f7
  by Simon Marlow at 2003-05-21T15:07:21+00:00

  [haddock @ 2003-05-21 15:07:21 by simonmar]
  Only omit the module contents when there are no section headings at all.
  

• bcee1e75
  by Sigbjorn Finne at 2003-05-30T16:50:45+00:00

  [haddock @ 2003-05-30 16:50:45 by sof]
  cygpath: for now, steer clear of --mixed
  

• 30567af3
  by Sigbjorn Finne at 2003-05-30T17:59:28+00:00

  [haddock @ 2003-05-30 17:59:28 by sof]
  oops, drop test defn from prev commit
  

• b0856e7d
  by Simon Marlow at 2003-06-03T09:55:26+00:00

  [haddock @ 2003-06-03 09:55:26 by simonmar]
  Two small fixes to make the output valid HTML 4.01 (transitional).
  
  Thanks to Malcolm Wallace for pointing out the problems.
  

• 70e137ea
  by Simon Marlow at 2003-07-28T13:30:35+00:00

  [haddock @ 2003-07-28 13:30:35 by simonmar]
  Add tests for a couple of bugs.
  

• 122bd578
  by Simon Marlow at 2003-07-28T13:31:25+00:00

  [haddock @ 2003-07-28 13:31:25 by simonmar]
  Add documentation for anchors.
  

• 0bd27cb2
  by Simon Marlow at 2003-07-28T13:31:46+00:00

  [haddock @ 2003-07-28 13:31:46 by simonmar]
  Update
  

• 08052d42
  by Simon Marlow at 2003-07-28T13:32:12+00:00

  [haddock @ 2003-07-28 13:32:12 by simonmar]
  layout tweak.
  

• 13942749
  by Simon Marlow at 2003-07-28T13:33:03+00:00

  [haddock @ 2003-07-28 13:33:03 by simonmar]
  Differentiate links to types/classes from links to
  variables/constructors with a prefix ("t:" and "v:" respectively).
  

• d7f493b9
  by Simon Marlow at 2003-07-28T13:35:17+00:00

  [haddock @ 2003-07-28 13:35:16 by simonmar]
  When a module A exports another module's contents via 'module B', then
  modules which import entities from B re-exported by A should link to
  B.foo rather than A.foo.  See examples/Bug2.hs.
  

• d94cf705
  by Simon Marlow at 2003-07-28T13:36:14+00:00

  [haddock @ 2003-07-28 13:36:14 by simonmar]
  Update to version 0.5
  

• dbb776cd
  by Sven Panne at 2003-07-28T14:02:43+00:00

  [haddock @ 2003-07-28 14:02:43 by panne]
  * Updated to version 0.5
  * Automagically generate configure if it is not there
  

• 6cfeee53
  by Simon Marlow at 2003-07-28T14:32:43+00:00

  [haddock @ 2003-07-28 14:32:42 by simonmar]
  Update to avoid using hslibs with GHC >= 5.04
  

• a1ce838f
  by Simon Marlow at 2003-07-28T14:33:37+00:00

  [haddock @ 2003-07-28 14:33:37 by simonmar]
  Update for 0.5
  

• c0fe6493
  by Simon Marlow at 2003-07-28T14:53:22+00:00

  [haddock @ 2003-07-28 14:53:22 by simonmar]
  Markup fix
  

• 6ea31596
  by Sven Panne at 2003-07-28T16:40:45+00:00

  [haddock @ 2003-07-28 16:40:45 by panne]
  Make it compile with GHC >= 6.01
  

• afcd30fc
  by Simon Marlow at 2003-07-30T15:04:52+00:00

  [haddock @ 2003-07-30 15:04:52 by simonmar]
  Pay attention to import specs when building the the import env, as
  well as the orig env.  This may fix some wrong links in documentation
  when import specs are being used.
  

• 17c3137f
  by Simon Marlow at 2003-07-30T16:05:41+00:00

  [haddock @ 2003-07-30 16:05:40 by simonmar]
  Rename instances based on the import_env for the module in which they
  are to be displayed.  This should give, in many cases, better links
  for the types and classes mentioned in the instance head.
  
  This involves keeping around the import_env in the iface until the
  end, because instances are not collected up until all the modules have
  been processed.  Fortunately it doesn't seem to affect performance
  much.
  
  Instance heads are now attached to ExportDecls, rather than the HTML
  backend passing around a separate mapping for instances.  This is a
  cleanup.
  

• 3d3b5c87
  by Sven Panne at 2003-08-04T10:18:24+00:00

  [haddock @ 2003-08-04 10:18:24 by panne]
  Don't print parentheses around one-element contexts
  

• 9e3f3f2d
  by Simon Marlow at 2003-08-04T12:59:47+00:00

  [haddock @ 2003-08-04 12:59:47 by simonmar]
  A couple of TODOs.
  

• e9d8085c
  by Simon Marlow at 2003-08-05T14:10:31+00:00

  [haddock @ 2003-08-05 14:10:31 by simonmar]
  I'm not sure why, but it seems that the index entries for non-defining
  occurrences of entities did not have an anchor - the link just pointed
  to the module.  This fixes it.
  

• ff5c7d6d
  by Simon Marlow at 2003-08-15T14:42:59+00:00

  [haddock @ 2003-08-15 14:42:59 by simonmar]
  Convert the lexer to Alex, and fix a bug in the process.
  

• 1aa077bf
  by Simon Marlow at 2003-08-15T15:00:18+00:00

  [haddock @ 2003-08-15 15:00:18 by simonmar]
  Update
  

• d3de1e38
  by Simon Marlow at 2003-08-15T15:01:03+00:00

  [haddock @ 2003-08-15 15:01:03 by simonmar]
  wibbles
  

• b40ece3b
  by Simon Marlow at 2003-08-18T10:04:47+00:00

  [haddock @ 2003-08-18 10:04:47 by simonmar]
  Lex the 'mdo' keyword as 'do'.
  

• 8f9a1146
  by Simon Marlow at 2003-08-18T11:48:24+00:00

  [haddock @ 2003-08-18 11:48:24 by simonmar]
  Two bugs from Sven.
  

• ea54ebc0
  by Simon Marlow at 2003-08-18T11:48:46+00:00

  [haddock @ 2003-08-18 11:48:46 by simonmar]
  Fixes to the new lexer.
  

• d5f6a4b5
  by Simon Marlow at 2003-08-19T09:09:03+00:00

  [haddock @ 2003-08-19 09:09:03 by simonmar]
  Further wibbles to the syntax.
  

• 6bbdadb7
  by Sven Panne at 2003-08-26T18:45:35+00:00

  [haddock @ 2003-08-26 18:45:35 by panne]
  Use autoreconf instead of autoconf
  

• 32e889cb
  by Sven Panne at 2003-08-26T19:01:19+00:00

  [haddock @ 2003-08-26 19:01:18 by panne]
  Made option handling a bit more consistent with other tools, in
  particular: Every program in fptools should output
     * version info on stdout and terminate successfully when -V or --version
     * usage info on stdout and terminate successfully when -? or --help
     * usage info on stderr and terminate unsuccessfully when an unknown option
  is given.
  

• 5d156a91
  by Sven Panne at 2003-08-26T19:20:55+00:00

  [haddock @ 2003-08-26 19:20:55 by panne]
  Make it *very* clear that we terminate when given a -V/--version flag
  

• e6577265
  by Sven Panne at 2003-08-27T07:50:03+00:00

  [haddock @ 2003-08-27 07:50:02 by panne]
  * Made -D a short option for --dump-interface.
  * Made -m a short option for --ms-help.
  * Made -n a short option for --no-implicit-prelude.
  * Made -c a short option for --css.
  * Removed DocBook options from executable (they didn't do anything),
    but mark them as reserved in the docs. Note that the short option
    for DocBook output is now -S (from SGML) instead of -d. The latter
    is now a short option for --debug.
  * The order of the Options in the documentation now matches the order
    printed by Haddock itself.
  
  Note: Although changing the names of options is often a bad idea, I'd
  really like to make the options for the programs in fptools more
  consistent and compatible to the ones used in common GNU programs.
  

• d303ff98
  by Simon Marlow at 2003-09-10T08:23:48+00:00

  [haddock @ 2003-09-10 08:23:48 by simonmar]
  Add doc subdir.
  
  Patch contributed by: Ian Lynagh <igloo@earth.li>.
  

• 9a70e46a
  by Simon Marlow at 2003-09-10T08:24:32+00:00

  [haddock @ 2003-09-10 08:24:32 by simonmar]
  Install these files in $(datadir), not $(libdir), since they're
  architecture independent.
  
  Patch contributed by: Ian Lynagh <igloo@earth.li>.
  

• bbb87e7a
  by Simon Marlow at 2003-09-10T08:25:31+00:00

  [haddock @ 2003-09-10 08:25:31 by simonmar]
  Haddock's supplementary HTML bits now live in $(datadir), not
  $(libdir).
  
  Patch contributed by: Ian Lynagh <igloo@earth.li>.
  

• 3587c24b
  by Simon Marlow at 2003-09-22T10:34:38+00:00

  [haddock @ 2003-09-22 10:34:38 by simonmar]
  Allow installing of docs.
  

• d510b517
  by Sven Panne at 2003-10-11T08:10:44+00:00

  [haddock @ 2003-10-11 08:10:44 by panne]
  Include architecture-independent files in file list
  

• 187d7618
  by Sigbjorn Finne at 2003-10-20T17:19:24+00:00

  [haddock @ 2003-10-20 17:19:22 by sof]
  support for i-parameters + zip comprehensions
  

• b6c7a273
  by Simon Marlow at 2003-11-03T14:24:24+00:00

  [haddock @ 2003-11-03 14:24:24 by simonmar]
  Update TODO file.
  

• 58513e33
  by Simon Marlow at 2003-11-05T11:22:04+00:00

  [haddock @ 2003-11-05 11:22:04 by simonmar]
  Remove the last of the uses of 'trace' to emit warnings, and tidy up a
  couple of places where duplicate warnings were being emitted.
  

• 33a78846
  by Simon Marlow at 2003-11-05T11:30:53+00:00

  [haddock @ 2003-11-05 11:30:52 by simonmar]
  - Suppress warnings about unknown imported modules by default.
  - Add a -v/--verbose flag to re-enable these warnings.
  
  The general idea is to suppress the "Warning: unknown module: Prelude"
  warnings which most Haddock users will see every time, and which
  aren't terribly useful.
  

• a969de7f
  by Simon Marlow at 2003-11-05T12:30:28+00:00

  [haddock @ 2003-11-05 12:30:28 by simonmar]
  - Remove the emboldening of index entries for defining locations.
    This isn't useful, and breaks abstractions.
  
  - If an entity is re-exported by a module but the module doesn't
    include documentation for that entity (perhaps because it is
    re-exported by 'module M'), then don't attempt to hyperlink to
    the documentation from the index.  Instead, just list that module
    in the index, to indicate that the entity is exported from there.
  

• f14ea82a
  by Simon Marlow at 2003-11-05T15:15:59+00:00

  [haddock @ 2003-11-05 15:15:59 by simonmar]
  Index overhaul:
  
    - no more separate type/class and variable/function indices
  
    - the index now makes a distinction between different entities
      with the same name.  One example is a type constructor with
      the same name as a data constructor, but another example is
      simply a function with the same name exported by two different
      modules.  For example, the index entry for 'catch' now looks like
      this:
  
      catch
        1 (Function)	Control.Exception
        2 (Function)	GHC.Exception, Prelude, System.IO, System.IO.Error
  
      making it clear that there are two different 'catch'es, but one
      of them is exported by several modules.
  
    - Each index page now has the index contents (A B C ...) at the top.
  
  Please let me know if you really hate any of this.
  

• 01a25ca6
  by Simon Marlow at 2003-11-05T15:16:38+00:00

  [haddock @ 2003-11-05 15:16:38 by simonmar]
  Update
  

• 1a7ccb86
  by Simon Marlow at 2003-11-05T17:16:05+00:00

  [haddock @ 2003-11-05 17:16:04 by simonmar]
  Support for generating a single unified index for several packages.
  
    --use-index=URL  turns off normal index generation, causes Index
   		   links to point to URL.
  
    --gen-index      generates an combined index from the specified
                     interfaces.
  
  Currently doesn't work exactly right, because the interfaces don't
  contain the iface_reexported info.  I'll need to fix that up.
  

• a2bca16d
  by Simon Marlow at 2003-11-06T10:44:52+00:00

  [haddock @ 2003-11-06 10:44:52 by simonmar]
  Include iface_reexported in the .haddock file.  This unfortunately
  bloats the file (40% for base).  If this gets to be a problem we can
  always apply the dictionary trick that GHC uses for squashing .hi
  files.
  

• 0a09c293
  by Simon Marlow at 2003-11-06T12:39:47+00:00

  [haddock @ 2003-11-06 12:39:46 by simonmar]
  - Add definition lists, marked up like this:
  
  	-- | This is a definition list:
  	--
  	--   [@foo@] The description of @foo@.
  	--
  	--   [@bar@] The description of @bar@.
  
    Cunningly, the [] characters are not treated specially unless a [ is
    found at the beginning of a paragraph, in which case the ] becomes
    special in the following text.
  
  
  - Add --use-contents and --gen-contents, along the lines of
    --use-index and --gen-index added yesterday.  Now we can generate a
    combined index and contents for the whole of the hierarchical
    libraries, and in theory the index/contents on the system could
    be updated as new packages are added.
  

• fe1b3460
  by Simon Marlow at 2003-11-06T14:47:36+00:00

  [haddock @ 2003-11-06 14:47:36 by simonmar]
  Remove the 'Parent' button - it is of dubious use, and often points
  into thin air.
  

• db6d762f
  by Simon Marlow at 2003-11-06T16:48:14+00:00

  [haddock @ 2003-11-06 16:48:11 by simonmar]
  - Include the OptHide setting in the interface, so we don't include
    hidden modules in the combined index/contents.
  
  - Add a -k/--package flag to set the package name for the current set
    of modules.  The package name for each module is now shown in the
    right-hand column of the contents, in a combined contents page.
  

• 7d71718b
  by Simon Marlow at 2003-11-06T16:50:28+00:00

  [haddock @ 2003-11-06 16:50:28 by simonmar]
  Add -k/--package docs
  

• ef43949d
  by Simon Marlow at 2003-11-06T16:51:23+00:00

  [haddock @ 2003-11-06 16:51:23 by simonmar]
  Bump to 0.6
  

• 1c419e06
  by Simon Marlow at 2003-11-06T16:51:50+00:00

  [haddock @ 2003-11-06 16:51:50 by simonmar]
  update
  

• 69422327
  by Simon Marlow at 2003-11-10T14:41:06+00:00

  [haddock @ 2003-11-10 14:41:05 by simonmar]
  Re-exporting names from a different package is problematic, because we
  don't have access to the full documentation for the entity.  Currently
  Haddock just ignores entities with no documentation, but this results
  in bogus-looking empty documentation for many of the modules in the
  haskell98 package.  So:
  
    - the documentation will now just list the name, as a link
      pointing to the location of the actual documentation.
  
    - now we don't attempt to link to these re-exported entities if
      they are referred to by the current module.
  
  Additionally:
  
    - If there is no documentation in the current module, include
      just the Synopsis section (rather than just the documentation
      section, as it was before).  This just looks nicer and was on
      the TODO list.
  

• 3c3fc433
  by Simon Marlow at 2003-11-10T14:51:59+00:00

  [haddock @ 2003-11-10 14:51:59 by simonmar]
  Fix for getReExports: take into account names which are not visible
  because they are re-exported from a different package.
  

• 31c8437b
  by Simon Marlow at 2003-11-10T15:10:53+00:00

  [haddock @ 2003-11-10 15:10:53 by simonmar]
  Version 0.6 changes
  

• a7c2430b
  by Simon Marlow at 2003-11-10T15:15:58+00:00

  [haddock @ 2003-11-10 15:15:58 by simonmar]
  getReExports: one error case that isn't
  

• 00cc459c
  by Simon Marlow at 2003-11-10T16:15:19+00:00

  [haddock @ 2003-11-10 16:15:18 by simonmar]
  copyright update
  

• ca62408d
  by Simon Marlow at 2003-11-11T09:57:25+00:00

  [haddock @ 2003-11-11 09:57:25 by simonmar]
  Version 0.6
  

• 3acbf818
  by Simon Marlow at 2003-11-11T12:10:44+00:00

  [haddock @ 2003-11-11 12:10:44 by simonmar]
  Go back to producing just the documentation section, rather than just
  the synopsis section, for a module with no documentation annotations.
  
  One reason is that the synopsis section tries to link each entity to
  its documentation on the same page.  Also, the doc section anchors
  each entity, and it lists instances which the synopsis doesn't.
  

• 6c90abc2
  by Simon Marlow at 2003-11-12T10:03:39+00:00

  [haddock @ 2003-11-12 10:03:39 by simonmar]
  2002 -> 2003
  

• 090bbc4c
  by Simon Marlow at 2003-11-28T12:08:00+00:00

  [haddock @ 2003-11-28 12:08:00 by simonmar]
  update
  

• 8096a832
  by Simon Marlow at 2003-11-28T12:09:58+00:00

  [haddock @ 2003-11-28 12:09:58 by simonmar]
  Fix some of the problems with Haddock generating pages that are too
  wide.  Now we only specify 'nowrap' when it is necessary to avoid a
  code box getting squashed up by the text to the right of it.
  

• 35294929
  by Sven Panne at 2003-12-29T17:16:31+00:00

  [haddock @ 2003-12-29 17:16:31 by panne]
  Updated my email address
  

• cdb697bf
  by Simon Marlow at 2004-01-08T10:14:24+00:00

  [haddock @ 2004-01-08 10:14:24 by simonmar]
  Add instructions for using GHC to pre-process source for feeding to Haddock.
  

• 8dfc491f
  by Simon Marlow at 2004-01-09T12:45:46+00:00

  [haddock @ 2004-01-09 12:45:46 by simonmar]
  Add -optP-P to example ghc command line.
  

• ac41b820
  by Simon Marlow at 2004-02-03T11:02:03+00:00

  [haddock @ 2004-02-03 11:02:03 by simonmar]
  Fix bug in index generation
  

• f4e7edcb
  by Simon Marlow at 2004-02-10T11:51:16+00:00

  [haddock @ 2004-02-10 11:51:16 by simonmar]
  Don't throw away whitespace at the beginning of a line (experimental fix).
  

• 68e212d2
  by Simon Marlow at 2004-02-10T12:10:08+00:00

  [haddock @ 2004-02-10 12:10:08 by simonmar]
  Fix for previous commit: I now realise why the whitespace was stripped
  from the beginning of the line.  Work around it.
  

• e7d7f2df
  by Sven Panne at 2004-02-10T18:38:45+00:00

  [haddock @ 2004-02-10 18:38:45 by panne]
  Make Haddock link with the latest relocated monad transformer package
  

• 992d4225
  by Simon Marlow at 2004-02-16T10:21:35+00:00

  [haddock @ 2004-02-16 10:21:35 by simonmar]
  Add a TODO
  

• 1ac55326
  by Simon Marlow at 2004-03-12T11:33:39+00:00

  [haddock @ 2004-03-12 11:33:39 by simonmar]
  Add an item.
  

• 0478e903
  by Simon Marlow at 2004-03-15T12:24:05+00:00

  [haddock @ 2004-03-15 12:24:05 by simonmar]
  Add an item.
  

• 6f26d21a
  by Simon Marlow at 2004-03-18T14:21:29+00:00

  [haddock @ 2004-03-18 14:21:29 by simonmar]
  Fix URL
  

• 19b6bb99
  by Simon Marlow at 2004-03-22T14:09:03+00:00

  [haddock @ 2004-03-22 14:09:03 by simonmar]
  getReExports was bogus: we should really look in the import_env to
  find the documentation for an entity which we are re-exporting without
  documentation.
  
  Suggested by: Ross Paterson (patch modified by me).
  

• 5c756031
  by Simon Marlow at 2004-03-24T09:42:11+00:00

  [haddock @ 2004-03-24 09:42:10 by simonmar]
  hiding bug from Ross Paterson (fixed in rev 1.59 of Main.hs)
  

• 1b692e6c
  by Simon Marlow at 2004-03-24T10:10:50+00:00

  [haddock @ 2004-03-24 10:10:50 by simonmar]
  mkExportItems fix & simplification: we should be looking at the actual
  exported names (calculated earlier) to figure out which subordinates
  of a declaration are exported.
  
  This means that if you export a record, and name its fields separately
  in the export list, the fields will still be visible in the
  documentation for the constructor.
  

• 90e5e294
  by Simon Marlow at 2004-03-24T10:12:08+00:00

  [haddock @ 2004-03-24 10:12:08 by simonmar]
  Make restrictCons take into account record field names too (removing a ToDo).
  

• 2600efa4
  by Simon Marlow at 2004-03-24T10:16:17+00:00

  [haddock @ 2004-03-24 10:16:17 by simonmar]
  Record export tests.
  

• 6a8575c7
  by Simon Marlow at 2004-03-25T09:35:14+00:00

  [haddock @ 2004-03-25 09:35:14 by simonmar]
  restrictTo: fix for restricting a newtype with a record field.
  

• dcf55a8d
  by Simon Marlow at 2004-03-25T10:01:42+00:00

  [haddock @ 2004-03-25 10:01:42 by simonmar]
  Fix duplicate instance bug
  

• f49aa758
  by Simon Marlow at 2004-03-25T10:02:41+00:00

  [haddock @ 2004-03-25 10:02:41 by simonmar]
  Duplicate instance bug.
  

• 7b87344c
  by Simon Marlow at 2004-03-25T10:29:56+00:00

  [haddock @ 2004-03-25 10:29:56 by simonmar]
  If a name is imported from two places, one hidden and one not, choose
  the unhidden one to link to.  Also, when there's only a hidden module
  to link to, don't try linking to it.
  

• 40f44d7b
  by Simon Marlow at 2004-03-25T15:17:24+00:00

  [haddock @ 2004-03-25 15:17:23 by simonmar]
  Add support for collaspible parts of the page, with a +/- button and a
  bit of JavaScript.  Make the instances collapsible, and collapse them
  by default.
  
  This makes documentation with long lists of instances (eg. the
  Prelude) much easier to read.  Maybe we should give other
  documentation sections the same treatment.
  

• 9b64dc0f
  by Simon Marlow at 2004-03-25T15:20:55+00:00

  [haddock @ 2004-03-25 15:20:55 by simonmar]
  Update
  

• c2fff7f2
  by Simon Marlow at 2004-03-25T15:45:10+00:00

  [haddock @ 2004-03-25 15:45:10 by simonmar]
  Eliminate some unnecessary spaces in the HTML rendering
  

• b7948ff0
  by Simon Marlow at 2004-03-25T16:00:37+00:00

  [haddock @ 2004-03-25 16:00:36 by simonmar]
  Remove all that indentation in the generated HTML to keep the file sizes down.
  

• da2bb4ca
  by Sven Panne at 2004-03-27T09:57:58+00:00

  [haddock @ 2004-03-27 09:57:57 by panne]
  Added the new-born haddock.js to the build process and the documentation.
  

• b99e6f8c
  by Sven Panne at 2004-03-27T10:32:20+00:00

  [haddock @ 2004-03-27 10:32:20 by panne]
  "type" is a required attribute of the "script" element
  

• 562b185a
  by Sven Panne at 2004-03-27T12:52:34+00:00

  [haddock @ 2004-03-27 12:52:34 by panne]
  Add a doctype for the contents page, too.
  

• f6a99c2d
  by Simon Marlow at 2004-04-14T10:03:25+00:00

  [haddock @ 2004-04-14 10:03:25 by simonmar]
  fix for single-line comment syntax
  

• de366303
  by Simon Marlow at 2004-04-20T13:08:04+00:00

  [haddock @ 2004-04-20 13:08:04 by simonmar]
  Allow a 'type' declaration to include documentation comments.  These
  will be ignored by Haddock, but at least one user (Johannes Waldmann)
  finds this feature useful, and it's easy to add.
  

• fd78f51e
  by Simon Marlow at 2004-05-07T15:14:56+00:00

  [haddock @ 2004-05-07 15:14:56 by simonmar]
  - update copyright
  - add version to abstract
  

• 59f53e32
  by Sven Panne at 2004-05-09T14:39:53+00:00

  [haddock @ 2004-05-09 14:39:53 by panne]
  Fix the fix for single-line comment syntax,
  -------------------------------------------
  is now a valid comment line again.
  

• 8b18f2fe
  by Simon Marlow at 2004-05-10T10:11:51+00:00

  [haddock @ 2004-05-10 10:11:51 by simonmar]
  Update
  

• 225a491d
  by Ross Paterson at 2004-05-19T13:10:23+00:00

  [haddock @ 2004-05-19 13:10:23 by ross]
  Make the handling of "deriving" slightly smarter, by ignoring data constructor
  arguments that are identical to the lhs.  Now handles things like
  
  data Tree a = Leaf a | Branch (Tree a) (Tree a) deriving ...
  

• 37588686
  by Mike Thomas at 2004-05-21T06:38:14+00:00

  [haddock @ 2004-05-21 06:38:14 by mthomas]
  Windows exe extensions (bin remains for Unix).
  

• cf2b9152
  by Simon Marlow at 2004-05-25T09:34:54+00:00

  [haddock @ 2004-05-25 09:34:54 by simonmar]
  Add some TODO items
  

• 4d29cdfc
  by Simon Marlow at 2004-05-25T10:41:46+00:00

  [haddock @ 2004-05-25 10:41:46 by simonmar]
  Complain if -h is used with --gen-index or --gen-contents, because
  it'll overwrite the new index/contents.
  

• 2e0771e0
  by Mike Thomas at 2004-05-28T20:17:55+00:00

  [haddock @ 2004-05-28 20:17:55 by mthomas]
  Windows: search for templates in executable directory. Unix: Haddock tries cwd first rather than error if no -l arg.
  

• 8d10bde1
  by Sven Panne at 2004-06-05T16:53:34+00:00

  [haddock @ 2004-06-05 16:53:34 by panne]
  Misc. rpm spec file cleanup, including:
  * make BuildRoot handling more consistent
  * added default file attributes
  * consistent defines and tags
  

• 59974349
  by Sven Panne at 2004-06-05T18:01:00+00:00

  [haddock @ 2004-06-05 18:01:00 by panne]
  More rpm spec file cleanup, including:
  * added some BuildRequires
  * changed packager to me, so people can complain at the right place :-]
  * consistently refer to haskell.org instead of www.haskell.org
  

• b94d4903
  by Simon Marlow at 2004-07-01T11:08:58+00:00

  [haddock @ 2004-07-01 11:08:57 by simonmar]
  Update to the +/- buttons: use a resized image rather than a <button>.
  Still seeing some strange effects in Konqueror, so might need to use a
  fixed-size image instead.
  

• d5278f67
  by Sven Panne at 2004-07-04T15:15:55+00:00

  [haddock @ 2004-07-04 15:15:55 by panne]
  Install pictures for +/- pictures, too (JPEG is a strange format for graphics
  like this, I would have expected GIF or PNG here.)
  
  Things look fine with Konqueror and Netscape on Linux now, the only downside is
  that the cursor doesn't change when positioned above the "button".
  

• 46dec6c5
  by Sven Panne at 2004-07-13T17:59:28+00:00

  [haddock @ 2004-07-13 17:59:28 by panne]
  A quote is a valid part of a Haskell identifier, but it would interfere with an
  ECMA script string delimiter, so escape it there.
  

• 1d7bc432
  by Simon Marlow at 2004-07-22T08:54:06+00:00

  [haddock @ 2004-07-22 08:54:06 by simonmar]
  Add single quote to $ident, so you can say eg. 'foldl'' to refer to
  foldl' (the longest match rule is our friend).
  
  Bug reported by Adrian Hey <ahey@iee.org>
  

• f183618b
  by Krasimir Angelov at 2004-07-27T22:59:35+00:00

  [haddock @ 2004-07-27 22:58:23 by krasimir]
  Add basic support for Microsoft HTML Help 2.0
  

• d515d0c2
  by Krasimir Angelov at 2004-07-27T23:02:36+00:00

  [haddock @ 2004-07-27 23:02:36 by krasimir]
  escape names in the index
  

• a5f1be23
  by Krasimir Angelov at 2004-07-27T23:05:21+00:00

  [haddock @ 2004-07-27 23:05:21 by krasimir]
  Add jsFile, plusFile and minusFile to the file list
  

• c4fb4881
  by Krasimir Angelov at 2004-07-28T22:12:10+00:00

  [haddock @ 2004-07-28 22:12:09 by krasimir]
  bugfix. Move contentsHtmlFile, indexHtmlFile and subIndexHtmlFile functions to
  HaddockUtil.hs module to make them accessible from HaddockHH2.hs
  

• 64d30b1d
  by Krasimir Angelov at 2004-07-30T22:15:47+00:00

  [haddock @ 2004-07-30 22:15:45 by krasimir]
  more stuffs
  
    - support for separated compilation of packages
    - the contents page now uses DHTML TreeView
    - fixed copyFile bug
  

• 133c8c5c
  by Krasimir Angelov at 2004-07-31T12:04:38+00:00

  [haddock @ 2004-07-31 12:04:37 by krasimir]
  make the DHtmlTree in contents page more portable. The +/- buttons are replaced
  with new images which looks more beatiful.
  

• 79040963
  by Krasimir Angelov at 2004-07-31T13:10:20+00:00

  [haddock @ 2004-07-31 13:10:20 by krasimir]
  Make DHtmlTree compatible with Mozila browser
  

• 1a55dc90
  by Krasimir Angelov at 2004-07-31T14:52:55+00:00

  [haddock @ 2004-07-31 14:52:55 by krasimir]
  fix
  

• 85ce0237
  by Krasimir Angelov at 2004-07-31T14:53:28+00:00

  [haddock @ 2004-07-31 14:53:28 by krasimir]
  HtmlHelp 1.x
  

• 3c0c53ba
  by Krasimir Angelov at 2004-07-31T20:35:21+00:00

  [haddock @ 2004-07-31 20:35:21 by krasimir]
  Added support for DevHelp
  

• d42b5af1
  by Krasimir Angelov at 2004-07-31T21:17:51+00:00

  [haddock @ 2004-07-31 21:17:51 by krasimir]
  Document new features in HtmlHelp
  

• 790fe21e
  by Krasimir Angelov at 2004-08-01T15:14:02+00:00

  [haddock @ 2004-08-01 15:14:02 by krasimir]
  add missing imports
  

• fd7cc6bc
  by Krasimir Angelov at 2004-08-01T19:52:08+00:00

  [haddock @ 2004-08-01 19:52:06 by krasimir]
  fix some bugs. Now I have got the entire libraries documentation in HtmlHelp 2.0 format.
  

• 94ad7ac8
  by Krasimir Angelov at 2004-08-01T19:53:50+00:00

  [haddock @ 2004-08-01 19:53:50 by krasimir]
  I forgot to add the new +/- images
  

• f0c65388
  by Krasimir Angelov at 2004-08-02T16:25:53+00:00

  [haddock @ 2004-08-02 16:25:53 by krasimir]
  Add root node to the table of contents. All modules in tree are not children of
  the root
  

• f50bd85d
  by Sven Panne at 2004-08-02T18:17:46+00:00

  [haddock @ 2004-08-02 18:17:46 by panne]
  Mainly DocBook fixes
  

• 09527ce3
  by Sven Panne at 2004-08-02T20:02:29+00:00

  [haddock @ 2004-08-02 20:02:29 by panne]
  Fixed -o/--odir handling. Generating the output, especially the
  directory handling, is getting a bit convoluted nowadays...
  

• c8fbacfa
  by Sven Panne at 2004-08-02T20:31:13+00:00

  [haddock @ 2004-08-02 20:31:13 by panne]
  Warning police
  

• 37830bff
  by Sven Panne at 2004-08-02T20:32:29+00:00

  [haddock @ 2004-08-02 20:32:28 by panne]
  Nuked dead code
  

• 13847171
  by Sven Panne at 2004-08-02T21:12:27+00:00

  [haddock @ 2004-08-02 21:12:25 by panne]
  Use pathJoin instead of low-level list-based manipulation for FilePaths
  

• c711d61e
  by Sven Panne at 2004-08-02T21:16:02+00:00

  [haddock @ 2004-08-02 21:16:02 by panne]
  Removed WinDoze CRs
  

• b1f7dc88
  by Sven Panne at 2004-08-03T19:35:59+00:00

  [haddock @ 2004-08-03 19:35:59 by panne]
  Fixed spelling of "http-equiv" attribute
  

• dd5f394e
  by Sven Panne at 2004-08-03T19:44:03+00:00

  [haddock @ 2004-08-03 19:44:03 by panne]
  Pacify W3C validator:
  * Added document encoding (currently UTF-8, not sure if this is completely correct)
  * Fixed syntax of `id' attributes
  * Added necessary `alt' attribute for +/- images
  
  Small layout improvement:
  * Added space after +/- images (still not perfect, but better than before)
  

• 919c47c6
  by Sigbjorn Finne at 2004-08-03T19:45:11+00:00

  [haddock @ 2004-08-03 19:45:11 by sof]
  make it compile with <= ghc-6.1
  

• 4d6f01d8
  by Sigbjorn Finne at 2004-08-03T19:45:30+00:00

  [haddock @ 2004-08-03 19:45:30 by sof]
  ffi wibble
  

• 4770643a
  by Sven Panne at 2004-08-03T20:47:46+00:00

  [haddock @ 2004-08-03 20:47:46 by panne]
  Fixed CSS for button style. Note that only "0" is a valid measure without a unit!
  

• 14aaf2e5
  by Sven Panne at 2004-08-03T21:07:59+00:00

  [haddock @ 2004-08-03 21:07:58 by panne]
  Improved spacing of dynamic module tree
  

• 97c3579a
  by Simon Marlow at 2004-08-09T11:03:04+00:00

  [haddock @ 2004-08-09 11:03:04 by simonmar]
  Add FormatVersion
  
  Patch submitted by: George Russell <ger@informatik.uni-bremen.de>
  

• af7f8c03
  by Simon Marlow at 2004-08-09T11:55:07+00:00

  [haddock @ 2004-08-09 11:55:05 by simonmar]
  Add support for a short description for each module, which is included
  in the contents.
  
  The short description should be given in a "Description: " field of
  the header.  Included in this patch are changes that make the format
  of the header a little more flexible.  From the comments:
  
  -- all fields in the header are optional and have the form
  --
  -- [spaces1][field name][spaces] ":"
  --    [text]"\n" ([spaces2][space][text]"\n" | [spaces]"\n")*
  -- where each [spaces2] should have [spaces1] as a prefix.
  --
  -- Thus for the key "Description",
  --
  -- > Description : this is a
  -- >    rather long
  -- >
  -- >    description
  -- >
  -- > The module comment starts here
  --
  -- the value will be "this is a .. description" and the rest will begin
  -- at "The module comment".
  
  The header fields must be in the following order: Module, Description,
  Copyright, License, Maintainer, Stability, Portability.
  
  Patches submitted by: George Russell <ger@informatik.uni-bremen.de>,
  with a few small changes be me, mostly to merge with other recent
  changes.
  
  ToDo: document the module header.
  

• 7b865ad3
  by Simon Marlow at 2004-08-10T14:09:57+00:00

  [haddock @ 2004-08-10 14:09:57 by simonmar]
  Fixes for DevHelp/HtmlHelp following introduction of short module description.
  

• 814766cd
  by Simon Marlow at 2004-08-10T14:33:46+00:00

  [haddock @ 2004-08-10 14:33:45 by simonmar]
  Fixes to installation under Windows.
  

• 39cf9ede
  by Simon Marlow at 2004-08-12T12:08:23+00:00

  [haddock @ 2004-08-12 12:08:23 by simonmar]
  Avoid using string-gap tricks.
  

• b6d78551
  by Simon Marlow at 2004-08-13T10:53:21+00:00

  [haddock @ 2004-08-13 10:53:21 by simonmar]
  Update
  

• eaae7417
  by Simon Marlow at 2004-08-13T10:53:50+00:00

  [haddock @ 2004-08-13 10:53:50 by simonmar]
  Test for primes in quoted links
  

• 68c34f06
  by Sven Panne at 2004-08-16T19:59:38+00:00

  [haddock @ 2004-08-16 19:59:36 by panne]
  XMLification
  

• 7f45a6f9
  by Sven Panne at 2004-08-18T16:42:54+00:00

  [haddock @ 2004-08-18 16:42:54 by panne]
  Re-added indices + minor fixes
  

• 8a5dd97c
  by Sigbjorn Finne at 2004-08-25T17:15:42+00:00

  [haddock @ 2004-08-25 17:15:42 by sof]
  backquote HADDOCK_VERSION defn for <= ghc-6.0.x; believe this is only needed under mingw
  

• 4b1b42ea
  by Sven Panne at 2004-08-26T20:08:50+00:00

  [haddock @ 2004-08-26 20:08:49 by panne]
  SGML is dead, long live DocBook XML!
  
  Note: The BuildRequires tags in the spec files are still incomplete
  and the documentation about the DocBook tools needs to be updated,
  too. Stay tuned...
  

• 8d52cedb
  by Sven Panne at 2004-08-26T21:03:19+00:00

  [haddock @ 2004-08-26 21:03:19 by panne]
  Updated BuildRequires tags. Alas, there seems to be no real standard here, so
  your mileage may vary... At least the current specs should work on SuSE Linux.
  

• e6982912
  by Sigbjorn Finne at 2004-08-30T15:44:59+00:00

  [haddock @ 2004-08-30 15:44:59 by sof]
  escape HADDOCK_VERSION double quotes on all platforms when compiling with <=6.0.x
  

• b3fbc867
  by Simon Marlow at 2004-08-31T13:09:42+00:00

  [haddock @ 2004-08-31 13:09:42 by simonmar]
  Avoid GHC/shell versionitis and create Version.hs
  

• c359e16a
  by Sven Panne at 2004-09-05T19:12:33+00:00

  [haddock @ 2004-09-05 19:12:32 by panne]
  * HTML documentation for "foo.xml" goes into directory "foo" again,
    not "foo-html". This is nicer and consistent with the behaviour for
    building the docs from SGML.
  
  * Disabled building PostScript documentation in the spec files for
    now, there are some strange issues with the FO->PS conversion for
    some files which have to be clarified first.
  

• c68b1eba
  by Sven Panne at 2004-09-24T07:04:38+00:00

  [haddock @ 2004-09-24 07:04:38 by panne]
  Switched the default state for instances and the module hierarchy to
  non-collapsed. This can be reversed when we finally use cookies from
  JavaScript to have a more persistent state. Previously going back and forth
  in the documentation was simply too annoying because everything was
  collapsed again and therefore the documentation was not easily navigatable.
  

• dfb32615
  by Simon Marlow at 2004-09-30T08:21:29+00:00

  [haddock @ 2004-09-30 08:21:29 by simonmar]
  Add a feature request
  

• 45ff783c
  by Sven Panne at 2004-10-23T19:54:00+00:00

  [haddock @ 2004-10-23 19:54:00 by panne]
  Improved the Cygwin/MinGW chaos a little bit. There is still confusion
  about host platform vs. target platform...
  

• 5f644714
  by Krasimir Angelov at 2004-10-28T16:01:51+00:00

  [haddock @ 2004-10-28 16:01:51 by krasimir]
  update for ghc-6.3+
  

• 92d9753e
  by Sven Panne at 2004-11-01T16:39:01+00:00

  [haddock @ 2004-11-01 16:39:01 by panne]
  Revert previous commit: It's Network.URI which should be changed, not Haddock.
  

• 05f70f6e
  by Simon Marlow at 2005-01-04T16:15:51+00:00

  [haddock @ 2005-01-04 16:15:51 by simonmar]
  parser fix: allow qualified specialids.
  

• 47870837
  by Simon Marlow at 2005-01-04T16:16:54+00:00

  [haddock @ 2005-01-04 16:16:54 by simonmar]
  Add a test
  

• ff11fc2c
  by Ross Paterson at 2005-01-10T19:18:22+00:00

  [haddock @ 2005-01-10 19:18:22 by ross]
  Render non-ASCII characters using numeric character references, to simplify
  charset issues.  There's a META tag saying the charset is UTF-8, but GHC
  outputs characters as raw bytes.
  
  Ideally we need an encoding on the input side too, primarily in comments,
  because source files containing non-ASCII characters aren't portable between
  locales.
  

• eba2fc4e
  by Simon Marlow at 2005-01-11T10:44:37+00:00

  [haddock @ 2005-01-11 10:44:37 by simonmar]
  Remove string gap
  

• b899a381
  by Ross Paterson at 2005-01-13T11:41:33+00:00

  [haddock @ 2005-01-13 11:41:33 by ross]
  recognize SGML-style numeric character references &#ddd; or &#xhhhh; and
  translate them into Chars.
  

• 106e3cf0
  by Ross Paterson at 2005-01-13T14:43:41+00:00

  [haddock @ 2005-01-13 14:43:41 by ross]
  also allow uppercase X in hexadecimal character references (like SGML)
  

• e8f54f25
  by Ross Paterson at 2005-01-13T14:44:24+00:00

  [haddock @ 2005-01-13 14:44:24 by ross]
  Describe numeric character references.
  

• 914ccdce
  by Sven Panne at 2005-01-15T18:44:48+00:00

  [haddock @ 2005-01-15 18:44:45 by panne]
  Make Haddock compile again after the recent base package changed. The Map/Set
  legacy hell has been factored out, so that all modules can simply use the new
  non-deprecated interfaces. Probably a lot of things can be improved by a little
  bit of Map/Set/List algebra, this can be done later if needed.
  
  Small note: Currently the list of instances in HTML code is reversed. This will
  hopefully be fixed later.
  

• 6ab20e84
  by Sven Panne at 2005-01-16T12:18:26+00:00

  [haddock @ 2005-01-16 12:18:26 by panne]
  Trim imports
  

• efb81da9
  by Sven Panne at 2005-01-16T12:58:08+00:00

  [haddock @ 2005-01-16 12:58:03 by panne]
  Correctly handle the new order of arguments for the combining function
  given to fromListWith.
  

• e27b5834
  by Sven Panne at 2005-01-16T14:14:41+00:00

  [haddock @ 2005-01-16 14:14:39 by panne]
  Data.Map.unions is left-biased.
  

• dae3cc3e
  by Sven Panne at 2005-01-16T14:22:44+00:00

  [haddock @ 2005-01-16 14:22:44 by panne]
  Added the last missing "flip" to get identical HTML output as previous versions.
  

• 951d8408
  by Sven Panne at 2005-01-16T14:37:10+00:00

  [haddock @ 2005-01-16 14:37:10 by panne]
  Refactored Text.PrettyPrint legacy hell into a separate module.
  

• f1c4b892
  by Sven Panne at 2005-01-16T15:41:25+00:00

  [haddock @ 2005-01-16 15:41:21 by panne]
  Cleaned up imports and dropped support for GHC < 5.03, it never worked, anyway.
  

• 60824c6e
  by Simon Marlow at 2005-01-18T10:02:48+00:00

  [haddock @ 2005-01-18 10:02:48 by simonmar]
  Add a TODO
  

• a8c82f23
  by Krasimir Angelov at 2005-01-28T23:19:39+00:00

  [haddock @ 2005-01-28 23:19:39 by krasimir]
  import Foreign/Foreign.C are required for Windows
  

• d8450a23
  by Simon Marlow at 2005-02-02T16:23:04+00:00

  [haddock @ 2005-02-02 16:23:00 by simonmar]
  Revamp the linking strategy in Haddock.
  
  Now name resolution is done in two phases:
  
   - first resolve everything to original names, like a Haskell compiler
     would.
  
   - then, figure out the "home" location for every entity, and point
     all the links to there.  The home location is the lowest non-hidden
     module in the import hierarchy that documents the entity.  If there
     are multiple candidates, one is chosen at random.
  
  Also:
  
   - Haddock should not generate any HTML with dangling links any more.
     Unlinked references are just rendered as plain text.
  
   - Error reporting is better: if we can't find a link destination for
     an entity reference, we now emit a warning.
  

• 1cce71d0
  by Simon Marlow at 2005-02-03T13:42:19+00:00

  [haddock @ 2005-02-03 13:42:19 by simonmar]
  - add --ignore-all-exports flag, which behaves as if every module
    has the ignore-exports attribute (requested by Chris Ryder).
  
  - add --hide option to hide a module on the command line.
  
  - add --use-package option to get Haddock info for a package from
    ghc-pkg (largely untested).
  
  - remove reexports from the .haddock file, they aren't used any more.
  

• 767123ef
  by Ross Paterson at 2005-02-03T16:17:37+00:00

  [haddock @ 2005-02-03 16:17:37 by ross]
  fix typo for < 6.3
  

• 0c680c04
  by Simon Marlow at 2005-02-04T12:03:31+00:00

  [haddock @ 2005-02-04 12:03:31 by simonmar]
  Fix bug in renameExportItems that meant links in instances weren't
  being renamed properly.
  

• ff7abe5f
  by Simon Marlow at 2005-02-04T12:15:53+00:00

  [haddock @ 2005-02-04 12:15:52 by simonmar]
  Add attribute #not-home, to indicate that the current module should
  not be considered to be a home module for the each entity it exports,
  unless there is no other module that exports the entity.
  

• fc2cfd27
  by Simon Marlow at 2005-02-04T12:40:02+00:00

  [haddock @ 2005-02-04 12:40:02 by simonmar]
  Update the documentation w.r.t. home modules and the not-home attribute.
  

• 26b8ddf7
  by Ross Paterson at 2005-02-04T13:36:06+00:00

  [haddock @ 2005-02-04 13:36:05 by ross]
  sort lists of instances by
  - arity of the type constructors (so higher-kinded instances come first)
  - name of the class
  - argument types
  

• 26bfb19c
  by Simon Marlow at 2005-02-23T15:57:12+00:00

  [haddock @ 2005-02-23 15:57:12 by simonmar]
  Fix documentation regarding the module attributes.
  

• 9c3afd02
  by Simon Marlow at 2005-02-28T16:18:17+00:00

  [haddock @ 2005-02-28 16:18:17 by simonmar]
  version 0.7
  

• a95fd63f
  by Simon Marlow at 2005-02-28T16:22:08+00:00

  [haddock @ 2005-02-28 16:22:08 by simonmar]
  Attempt to fix the layout of the package names in the contents.
  
  Having tried just about everything, the only thing I can get to work
  reliably is to make the package names line up on a fixed offset from
  the left margin.  This obviously isn't ideal, so anyone else that
  would like to have a go at improving it is welcome.  One option is to
  remove the +/- buttons from the contents list and go back to a plain
  table.
  
  The contents page now uses CSS for layout rather than tables.  It
  seems that most browsers have different interpretations of CSS layout,
  so only the simplest things lead to consistent results.
  

• 905d42f7
  by Simon Marlow at 2005-03-01T17:16:42+00:00

  [haddock @ 2005-03-01 17:16:40 by simonmar]
  Another attempt at lining up the package names on the contents page.
  Now, they line up with Konqueror, and almost line up with Firefox & IE
  (different layout in each case).
  

• a0e1d178
  by Wolfgang Thaller at 2005-03-09T08:28:39+00:00

  [haddock @ 2005-03-09 08:28:39 by wolfgang]
  Hack haddock's lexer to accept the output from Apple's broken version of
  cpp (Apple's cpp leaves #pragma set_debug_pwd directives in it's output).
  

• 9e1eb784
  by Simon Marlow at 2005-04-22T14:27:15+00:00

  [haddock @ 2005-04-22 14:27:15 by simonmar]
  Add a TODO item
  

• 23281f78
  by Ross Paterson at 2005-05-18T12:41:59+00:00

  [haddock @ 2005-05-18 12:41:59 by ross]
  fix 3 bugs in --use-package, and document it.
  

• 00074a68
  by Sven Panne at 2005-05-21T12:35:29+00:00

  [haddock @ 2005-05-21 12:35:29 by panne]
  Warning/versionitis police
  

• 341fa822
  by Simon Marlow at 2005-06-15T15:43:21+00:00

  [haddock @ 2005-06-15 15:43:21 by simonmar]
  Allow "licence" as an alternate spelling of "license"
  

• 3b953f8b
  by Simon Marlow at 2005-06-16T08:14:12+00:00

  [haddock @ 2005-06-16 08:14:12 by simonmar]
  wibble
  

• abfd9826
  by Simon Marlow at 2005-06-27T14:46:40+00:00

  [haddock @ 2005-06-27 14:46:40 by simonmar]
  name hierarchical HTML files as A-B-C.html instead of A.B.C.html.  The
  old way confused Apache because the extensions are sometimes
  interpreted as having special meanings.
  

• a01eea00
  by Simon Marlow at 2005-08-04T13:59:40+00:00

  [haddock @ 2005-08-04 13:59:40 by simonmar]
  0.7 changes
  

• 170ef87e
  by Simon Marlow at 2005-08-04T15:08:03+00:00

  [haddock @ 2005-08-04 15:08:03 by simonmar]
  spec file from Jens Peterson
  

• 7621fde4
  by Simon Marlow at 2005-08-04T15:59:30+00:00

  [haddock @ 2005-08-04 15:59:30 by simonmar]
  replace mingw tests with $(Windows)
  

• a20739bb
  by Sven Panne at 2005-08-05T07:01:12+00:00

  [haddock @ 2005-08-05 07:01:12 by panne]
  Reverted to previous version (but with bumped version number), the last
  commit broke RPM building on SuSE systems due to differently named
  dependencies.
  
  As a clarification: All .spec files in the repository have to work at least
  on SuSE, because that's the system I'm using. And as "Mr. Building Police",
  I reserve me the right to keep them that way... >:-) It might very well be
  the case that we need different .spec files for different platforms, so
  packagers which are unhappy with the current .spec files should contact me,
  stating the actual problems.
  

• 4afb15cf
  by Simon Marlow at 2005-10-05T10:51:45+00:00

  [haddock @ 2005-10-05 10:51:45 by simonmar]
  Add a bug
  

• 60f69f82
  by Simon Marlow at 2005-10-05T12:52:03+00:00

  [haddock @ 2005-10-05 12:52:03 by simonmar]
  Document new behaviour of -s option
  

• f7e520ca
  by Simon Marlow at 2005-10-10T15:02:55+00:00

  [haddock @ 2005-10-10 15:02:55 by simonmar]
  extractRecSel: ignore non-record constructors (fixes a crash when
  using datatypes with a mixture of record and non-record style
  constructors).
  

• b2edbedb
  by Simon Marlow at 2005-10-14T09:44:21+00:00

  Start CHANGES for 0.8

• 21c7ac8d
  by Simon Marlow at 2005-10-14T23:11:19+00:00

  First cut of Cabal build system

• 766cecdd
  by Simon Marlow at 2005-10-29T08:14:43+00:00

  Add configure script and Makefile for the docs
  
  Add a separate configure script and build system for building the
  documentation.  The configure and Makefile code is stolen from
  fptools.  This is left as a separate build system so that the main
  Cabal setup doesn't require a Unix build environment or DocBook XML
  tools.
  
  

• aa36c783
  by Duncan Coutts at 2006-01-17T19:29:55+00:00

  Add a --wiki=URL flag to add a per-module link to a correspondng wiki page.
  So each html page gets an extra link (placed next to the source code and
  contents links) to a corresponding wiki page. The idea is to let readers
  contribute their own notes, examples etc to the documentation.
  
  Also slightly tidy up the code for the --source option.
  

• e06e2da2
  by Simon Marlow at 2006-01-18T09:28:15+00:00

  TODO: documnet --wiki

• 17adfda9
  by Duncan Coutts at 2006-01-19T20:17:59+00:00

  Add an optional wiki link for each top level exported name.
  In each module, for each "top level" exported entity we add a hyper link to a
  corresponding wiki page. The link url gets the name of the exported entity as
  a '#'-style anchor, so if there is an anchor in the page with that name then
  the users browser should jump directly to it. By "top level" we mean functions,
  classes, class members and data types (data, type, newtype), but not data
  constructors, class instances or data type class membership.
  
  The link is added at the right of the page and in a small font. Hopefully this
  is the right balance of visibility/distraction.
  
  We also include a link to the wiki base url in the contents and index pages.
  

• f52324bb
  by Duncan Coutts at 2006-01-19T20:28:27+00:00

  Rewrite pathJoin to only add a path separator when necessary.
  When the path ends in a file seperator there is no need to add another.
  Now using "--wiki=http://blah.com/foo/" should do the right thing.
  (Code snippet adapted from Isaac's FilePath package.)
  

• 43bb89fa
  by Duncan Coutts at 2006-01-21T17:15:27+00:00

  Teach haddock about line pragmas and add accurate source code links
  Teach haddock about C and Haskell style line pragmas. Extend the lexer/parser's
  source location tracking to include the file name as well as line/column. This
  way each AST item that is tagged with a SrcLoc gets the original file name too.
  
  Use this original file name to add source links to each exported item, in the
  same visual style as the wiki links. Note that the per-export source links are
  to the defining module rather than whichever module haddock pretends it is
  exported from. This is what we want for source code links. The source code link
  URL can also contain the name of the export so one could implement jumping to
  the actual location of the function in the file if it were linked to an html
  version of the source rather than just plain text. The name can be selected
  with the %N wild card.
  
  So for linking to the raw source code one might use:
  --source=http://darcs/haskell.org/foo/%F
  
  Or for linking to html syntax highlighted code:
  --source=http://darcs/haskell.org/foo/%M.html#%N
  

• edd9f229
  by Duncan Coutts at 2006-01-22T00:02:00+00:00

  Extend URL variable expansion syntax and add source links to the contents page
  Like the wiki link on the contents and index page, add a source code link too.
  Extend the wiki & source URL variable expansion syntax.
  
  The original syntax was:
  %F for the source file name (the .hs version only, not the .lhs or .hs.pp one)
  %M for the module name (with '.' replaced by '/')
  
  The new syntax is:
  %F or %{FILE} for the original source file name
  %M or %{MODULE} for the module name (no replacements)
  %N or %{NAME} for the function/type export name
  %K or %{KIND} for a type/value flag "t" or "v"
  
  with these extensions:
  %{MODULE/./c} to replace the '.' module seperator with any other char c
  
  %{VAR|some text with the % char in it} which means if the VAR is not in use in
  this URL context then "" else replace the given text with the '%' char
  replaced by the string value of the VAR. This extension allows us to construct
  URLs wit optional parts, since the module/file name is not available for the
  URL in the contents/index pages and the value/type name is not available for
  the URL at the top level of each module.
  

• eb3c6ada
  by Duncan Coutts at 2006-01-23T13:42:34+00:00

  Remove the complex substitutions and add more command line flags instead.
  Instead of incomprehensable URL substitutions like ${MODULE/./-|?m=%} we now
  use three seperate command line flags for the top level, per-module and
  per-entity source and wiki links. They are:
  --source-base, --source-module, --source-entity
  --comments-base, --comments-module, --comments-entity
  
  We leave -s, --source as an alias for --source-module which is how that option
  behaved previously.
  
  The long forms of the substitutions are still available, ${FILE} ${MODULE} etc
  and the only non-trivial substitution is ${MODULE/./c} to replace the '.'
  characters in the module name with any other character c. eg ${MODULE/./-}
  
  Seperating the source and wiki url flags has the added bonus that they can
  be turned on or off individually. So users can have per-module links for
  example without having to also have per-entity links.`
  

• a2f0f2af
  by Duncan Coutts at 2006-01-23T13:54:52+00:00

  Make the --help output fit in 80 columns.
  This is a purely cosmetic patch, feel free to ignore it.
  The only trickery going on is that we don't display the deprecated -s, --source
  flags in the help message, but we do still accept them.
  

• 2d3a4b0c
  by Duncan Coutts at 2006-01-23T14:12:16+00:00

  Add documentation for the new --source-* and --comments-* command line options

• 1a82a297
  by Simon Marlow at 2006-01-23T17:03:27+00:00

  fix markup

• 100d464a
  by Duncan Coutts at 2006-01-23T18:31:13+00:00

  remove a couple TODO items that have been done
  The --wiki, or rather the --comment-* options are now documented.
  There is probably no need to have haddock invoke unlit or cpp itself since
  it can now pick up the line pragmas to get the source locations right. Tools
  like Cabal will arrange for preprocessors to be run so there is less of a need
  for tools like haddock to do it themselves.
  

• 3162fa91
  by Simon Marlow at 2006-01-24T14:21:56+00:00

  add a test I had lying around

• 98947063
  by Simon Marlow at 2006-01-31T13:52:54+00:00

  add scabal-version field

• c41876e6
  by Neil Mitchell at 2006-02-26T17:48:21+00:00

  Add Hoogle output option

• f86fb9c0
  by Simon Marlow at 2006-03-08T09:15:20+00:00

  add haskell.vim
  Contributed by Brad Bowman <bsb@bereft.net>, thanks!
  

• 35d3c511
  by benjamin.franksen at 2006-03-03T22:39:54+00:00

  fixed libdir (/html was missing)

• 4d08fd7d
  by Simon Marlow at 2006-03-10T11:13:31+00:00

  add PatternGuards extension

• 3f095e70
  by Simon Marlow at 2006-03-13T11:40:42+00:00

  bug fixes from Brad Bowman

• 8610849d
  by Sven Panne at 2006-03-19T17:02:56+00:00

  Fixed Cabal/RPM build

• 34a994d6
  by sven.panne at 2006-04-20T12:39:23+00:00

  Avoid pattern guards
  
  Due to the use of pattern guards in Haddock, GHC was called with
  -fglasgow-exts. This in turn enables bang patterns, too, which broke the
  Haddock build. Removing some unnecessary pattern guards seemed to be the
  better way of fixing this instead of using a pragma to disable pattern
  guards.
  

• bb523f51
  by Ross Paterson at 2006-04-24T09:03:25+00:00

  extend 'deriving' heuristic a little
  If an argument of a data constructor has a type variable head, it is
  irreducible and the same type class can be copied into the constraint.
  (Formerly we just did this for type variable arguments.)
  

• dab9fe7a
  by Simon Marlow at 2006-04-26T10:02:31+00:00

  record an idea

• 748b7078
  by Simon Marlow at 2006-05-08T08:28:53+00:00

  add section about deriving

• 11252ea1
  by Simon Marlow at 2006-05-24T15:43:10+00:00

  replace a fatal error in lexChar with a parseError

• 382c9411
  by Simon Marlow at 2006-05-24T15:45:47+00:00

  add a bug

• b79272f5
  by Simon Marlow at 2006-05-24T15:46:29+00:00

  add a bug report

• 912edf65
  by David Waern at 2006-07-10T19:09:23+00:00

  Initial modifications -- doesn't compile

• a3c7ba99
  by David Waern at 2006-07-11T00:54:19+00:00

  More porting work -- doesn't compile

• 0a173d19
  by David Waern at 2006-07-11T11:30:03+00:00

  Make the repos temporarily compile and illustrate a problem

• bad316de
  by David Waern at 2006-07-11T15:43:47+00:00

  Progress on the porting process 

• bbf12d02
  by David Waern at 2006-07-11T23:07:44+00:00

  More progress on the porting -- first pass starting to shape up

• de580ba2
  by David Waern at 2006-07-20T17:48:30+00:00

  More progress -- still on phase1

• 75a917a2
  by David Waern at 2006-07-23T18:22:43+00:00

  More work on pass1 -- mostly done

• 6697b3f7
  by David Waern at 2006-07-23T22:17:40+00:00

  More work, started working on the renaming phase -- this code will need a cleanup soon :)

• 82a5bcbb
  by David Waern at 2006-07-29T16:16:43+00:00

  Add instances, build renaming environment, start on the renamer

• c3f8f4f1
  by David Waern at 2006-07-29T21:37:48+00:00

  Complete the renamer

• 7e00d464
  by David Waern at 2006-07-30T21:01:57+00:00

  Start porting the Html renderer

• f04ce121
  by David Waern at 2006-08-09T20:04:56+00:00

  More Html rendering progress

• 20c21b53
  by David Waern at 2006-08-10T17:37:47+00:00

  More progress

• d7097e0d
  by David Waern at 2006-08-11T20:31:51+00:00

  Cleanup

• a7351e86
  by David Waern at 2006-08-12T11:44:47+00:00

  Render H98 Data declarations

• 3fb2208e
  by David Waern at 2006-08-12T17:15:34+00:00

  Perfect rendering of Test.hs

• 454fd062
  by David Waern at 2006-08-13T21:57:08+00:00

  Misc fixes and interface load/save

• 7ef7e7be
  by David Waern at 2006-08-14T00:56:07+00:00

  Some refactoring

• a7d3efef
  by David Waern at 2006-08-19T20:07:55+00:00

  Adapt to latest GHC 

• 5fc3c0d7
  by David Waern at 2006-08-20T21:28:11+00:00

  Move interface read/write to its own module + some cleanup

• 037e011c
  by David Waern at 2006-08-20T21:38:24+00:00

  Small cleanup

• da3a1023
  by David Waern at 2006-09-03T16:05:22+00:00

  Change mode to BatchCompile to avoid GHC API bug

• 3cc9be3b
  by David Waern at 2006-09-03T16:06:59+00:00

  Starting work on GADT rendering

• 94506037
  by David Waern at 2006-09-03T20:02:48+00:00

  Compensate for change of export list order in GHC

• c2cec4eb
  by David Waern at 2006-09-04T20:53:01+00:00

  Rename a function

• 9a9735ba
  by David Waern at 2006-09-05T15:51:21+00:00

  Change version number to 2.0

• 3758a714
  by David Waern at 2006-09-05T15:51:49+00:00

  Align comment properly

• 68478d9e
  by David Waern at 2006-09-15T18:03:00+00:00

  Remove interface reading/writing code and use the GHC api for creating package environments instead

• d2eedd95
  by David Waern at 2006-09-15T18:05:29+00:00

  Change the executable name to haddock-ghc-nolib

• fcfbcf66
  by David Waern at 2006-09-15T18:05:45+00:00

  Small source code cleanup

• d08eb017
  by David Waern at 2006-09-15T18:06:21+00:00

  Remove handling of --package flag

• b8a4cf53
  by David Waern at 2006-09-15T18:07:16+00:00

  Remove commented-out code

• bef0a684
  by David Waern at 2006-09-15T18:37:57+00:00

  Don't warn about missing links to ()

• e7d25fd7
  by David Waern at 2006-09-15T19:50:49+00:00

  Remove Interface and Binary2 modules 

• 9894f2a1
  by David Waern at 2006-09-15T19:53:43+00:00

  Remove debug printing from HaddockHtml

• a0e7455d
  by David Waern at 2006-09-16T00:16:29+00:00

  Comments only

• d5b26fa7
  by David Waern at 2006-09-16T00:16:57+00:00

  Refactor PackageData creation code and start on building the doc env propery (unfinished)

• 06aaa779
  by David Waern at 2006-09-16T00:19:25+00:00

  Better comments in Main.hs

• 1a52d1b4
  by David Waern at 2006-09-18T22:17:11+00:00

  Comments and spacing change

• e5a97767
  by David Waern at 2006-09-21T17:02:45+00:00

  Remove unnecessary fmapM import in Main

• 9d0f9d3a
  by David Waern at 2006-09-22T18:07:07+00:00

  Make import list in HaddockHtml prettier

• 3452f662
  by David Waern at 2006-09-22T18:08:47+00:00

  Refactor context rendering

• 12d0a6d0
  by David Waern at 2006-09-22T18:09:52+00:00

  Do proper HsType rendering (inser parentheses correctly)

• 2c20c2f9
  by David Waern at 2006-09-22T18:10:45+00:00

  Fix a bug in Main.toHsType

• c5396443
  by David Waern at 2006-09-22T18:11:16+00:00

  Skip external package modules sort for now

• 3fb95547
  by David Waern at 2006-09-22T20:35:40+00:00

  Take away trailin "2" on all previously clashing type names

• 2174755f
  by David Waern at 2006-09-22T20:51:43+00:00

  Remove unused imports in Main

• 1e9f7a39
  by David Waern at 2006-09-22T20:52:11+00:00

  Fix a comment in Main

• 32d9e028
  by David Waern at 2006-10-05T16:40:11+00:00

  Merge with changes to ghc HEAD

• 3058c8f5
  by David Waern at 2006-10-05T16:41:02+00:00

  Comment fixes

• b9c217ec
  by David Waern at 2006-10-05T16:49:59+00:00

  Filter out more builtin type constructors from warning messages

• 67e7d252
  by David Waern at 2006-10-05T19:38:22+00:00

  Refactoring -- better structured pass1

• cd21c0c1
  by David Waern at 2006-10-05T19:44:42+00:00

  Remove read/dump interface flags

• 313f9e69
  by David Waern at 2006-10-05T19:49:26+00:00

  Remove unused pretty printing

• 480f09d1
  by David Waern at 2006-12-28T13:22:24+00:00

  Update to build with latest GHC HEAD

• 63dccfcb
  by David Waern at 2007-01-05T01:38:45+00:00

  Fixed a bug so that --ghc-flag works correctly

• 3117dadc
  by David Waern at 2006-12-29T18:53:39+00:00

  Automatically get the GHC lib dir

• 9dc84a5c
  by David Waern at 2006-12-29T19:58:53+00:00

  Comments

• 0b0237cc
  by David Waern at 2007-01-05T16:48:30+00:00

  Collect docs based on SrcLoc, syncing with removal of DeclEntity from GHC

• a962c256
  by David Waern at 2007-01-05T17:02:47+00:00

  Add tabs in haddock.cabal

• 0ca30c97
  by David Waern at 2007-01-05T17:04:11+00:00

  Add GHCUtils.hs

• c0ab9abe
  by David Waern at 2007-01-10T11:43:08+00:00

  Change package name to haddock-ghc, version 0.1

• 38e18b27
  by David Waern at 2007-01-12T12:03:52+00:00

  No binder name for foreign exports

• d18587ab
  by David Waern at 2007-01-12T12:08:15+00:00

  Temp record

• ba6251a0
  by David Waern at 2007-01-12T18:27:55+00:00

  Remove read/dump-interface (again)

• f4ba2b39
  by David Waern at 2007-01-12T18:31:36+00:00

  Remove DocOption, use the GHC type

• 511be8bd
  by David Waern at 2007-01-12T18:32:41+00:00

  Use exceptions instead of Either when loading package info

• 0f2144d8
  by David Waern at 2007-01-12T18:33:23+00:00

  Small type change

• 77507eb7
  by David Waern at 2007-01-12T18:33:59+00:00

  Remove interface file read/write

• 0ea1e14f
  by David Waern at 2007-01-17T21:40:26+00:00

  Add trace_ppr to GHCUtils

• 3878b493
  by David Waern at 2007-01-17T21:40:53+00:00

  Sort external package modules and build a doc env

• 8dc323fc
  by David Waern at 2007-01-17T21:42:41+00:00

  Remove comment

• f4c5b097
  by David Waern at 2007-01-18T23:22:18+00:00

  Add haddock-ghc.cabal and remove ghc option pragma in source file

• da242b2c
  by David Waern at 2007-01-18T23:22:46+00:00

  Remove some tabs

• 288ed096
  by David Waern at 2007-01-18T23:39:28+00:00

  Moved the defaultErrorHandler to scope only over sortAndCheckModules for now

• 4dd150fe
  by David Waern at 2007-02-03T21:23:56+00:00

  Let restrictCons handle infix constructors

• 97893442
  by David Waern at 2007-02-04T16:26:00+00:00

  Render infix data constructors

• da89db72
  by David Waern at 2007-02-04T16:26:33+00:00

  CHange project name to Haddock-GHC

• e93d48af
  by David Waern at 2007-02-04T16:59:08+00:00

  Render infix type constructors properly

• 357bc99b
  by David Waern at 2007-02-04T17:37:08+00:00

  Insert spaces around infix function names

• ab6cfc49
  by David Waern at 2007-02-04T17:59:54+00:00

  Do not list entities without documentation

• 04249c7e
  by David Waern at 2007-02-04T19:16:25+00:00

  Add GADT support (quite untested)

• 2c223f8d
  by David Waern at 2007-02-04T19:25:10+00:00

  Add package file write/save again!

• b07ed218
  by David Waern at 2007-02-04T19:33:02+00:00

  Comment out minf_iface based stuff

• 953d1fa7
  by David Waern at 2007-02-05T00:12:23+00:00

  Solve conflicts

• 593247fc
  by David Waern at 2007-02-06T19:48:48+00:00

  Remove -package flag, GHC's can be used instead

• f658ded2
  by David Waern at 2007-02-06T20:50:44+00:00

  Start for support of ATs

• 97f9e913
  by David Waern at 2007-02-06T20:52:27+00:00

  Wibble

• 2ce8e4cf
  by David Waern at 2007-02-16T12:09:49+00:00

  Add the DocOptions change

• dee4a9b5
  by David Waern at 2007-03-06T01:24:48+00:00

  Wibble

• 7cb99d18
  by David Waern at 2007-03-06T01:24:58+00:00

  Change version to 2.0 and executable name to haddock

• c5aa02bc
  by David Waern at 2007-03-08T15:59:49+00:00

  Go back to -B flag 

• 3a349201
  by David Waern at 2007-03-09T13:31:59+00:00

  Better exception handling and parsing of GHC flags

• 05a69b71
  by David Waern at 2007-03-09T17:45:44+00:00

  Remove commented-out DocEntity printing

• 755032cb
  by davve@dtek.chalmers.se at 2007-03-23T23:30:20+00:00

  Remove a file that shouldn't be here

• a7077e5f
  by davve@dtek.chalmers.se at 2007-03-24T03:58:48+00:00

  Remove an import

• 6f55aa8b
  by davve@dtek.chalmers.se at 2007-03-25T00:46:48+00:00

  Start work on Haddock API

• f0199480
  by davve@dtek.chalmers.se at 2007-03-25T00:56:36+00:00

  Prettify some comments

• f952f9d1
  by davve@dtek.chalmers.se at 2007-03-25T00:56:53+00:00

  Remove ppr in HaddockTypes

• bc594904
  by davve@dtek.chalmers.se at 2007-03-25T00:57:53+00:00

  Remove commented out doc env inference

• 11ebf08d
  by davve@dtek.chalmers.se at 2007-03-25T01:23:25+00:00

  De-flatten the namespace

• f696b4bc
  by davve@dtek.chalmers.se at 2007-03-25T03:21:48+00:00

  Add missing stuff to API

• 9a2a04c3
  by davve@dtek.chalmers.se at 2007-03-25T03:22:02+00:00

  Wibble

• 7d04a6d5
  by davve@dtek.chalmers.se at 2007-03-25T03:22:08+00:00

  Avoid a GHC bug with parseStaticFlags []

• 4d2820ba
  by davve@dtek.chalmers.se at 2007-03-26T04:57:01+00:00

  Add fall-through case to mkExportItem

• 6ebc8950
  by Stefan O'Rear at 2007-03-26T04:14:53+00:00

  Add shebang line to Setup.lhs

• 80966ec5
  by davve@dtek.chalmers.se at 2007-03-26T05:24:26+00:00

  Fix stupid compile error

• 1ea1385d
  by davve@dtek.chalmers.se at 2007-04-05T17:19:56+00:00

  Do save/read of interface files properly

• 0e4f6541
  by David Waern at 2007-04-10T21:08:36+00:00

  Add version to ghc dependency

• b0499b63
  by David Waern at 2007-04-10T21:37:08+00:00

  Change package name to haddock

• 9d50d27e
  by David Waern at 2007-04-24T00:22:14+00:00

  Use filepath package instead of FilePath

• 87c7fcdf
  by David Waern at 2007-07-10T21:03:04+00:00

  Add new package dependencies

• 4768709c
  by David Waern at 2007-07-11T20:37:11+00:00

  Follow changes to record constructor representation

• b9a02fee
  by Simon Marlow at 2007-05-30T14:00:48+00:00

  update to compile with the latest GHC & Cabal

• c0ebdc01
  by David Waern at 2007-07-11T21:35:45+00:00

  Fix conflicts

• 97f7afd4
  by David Waern at 2007-07-11T21:52:38+00:00

  Follow changes to the GHC API

• a5b7b58f
  by David Waern at 2007-07-12T20:36:48+00:00

  Call parseStaticFlags before newSession

• f7f50dbc
  by David Waern at 2007-08-01T21:52:58+00:00

  Better indentation in haddock.cabal

• d84e52ad
  by David Waern at 2007-08-02T00:08:18+00:00

  Wibble

• a23f494a
  by David Waern at 2007-08-02T00:08:24+00:00

  Be better at trying to load all module dependencies (debugging)

• ee917f13
  by David Waern at 2007-08-03T18:48:08+00:00

  Load all targets explicitly (checkModule doesn't chase dependencies anymore)

• 5182d631
  by David Waern at 2007-08-16T16:48:55+00:00

  Finalize support for links to other packages

• dfd1e3da
  by David Waern at 2007-08-16T16:51:11+00:00

  Fix haddock comment errors in Haddock.Types

• 50c0d83e
  by David Waern at 2007-08-16T16:51:37+00:00

  Remove a debug import

• d84b7c2b
  by David Waern at 2007-08-16T17:06:30+00:00

  Rename PackageData to HaddockPackage

• 3b52cb9f
  by David Waern at 2007-08-16T17:09:42+00:00

  Simplify some comments

• 66fa68d9
  by David Waern at 2007-08-16T17:11:38+00:00

  Comment the HaddockPackage definition

• 8674c761
  by David Waern at 2007-08-16T17:25:54+00:00

  Improve code layout in Main

• 571a3a0b
  by David Waern at 2007-08-16T17:32:13+00:00

  Remove explict module imports in Main

• d31b3cb0
  by David Waern at 2007-08-16T17:36:23+00:00

  Correct comments

• 7f8a9f2b
  by David Waern at 2007-08-16T17:39:50+00:00

  Fix layout problems in Haddock.Types

• 9f421d7f
  by David Waern at 2007-08-17T11:16:48+00:00

  Move options out of Main into Haddock.Options

• 80042b63
  by David Waern at 2007-08-17T11:26:59+00:00

  Small comment/layout fixes

• b141b982
  by David Waern at 2007-08-17T11:28:28+00:00

  Change project name from Haddock-GHC to Haddock

• dbeb4a81
  by David Waern at 2007-08-17T11:41:05+00:00

  Add top module comment to all files

• ce99cc9e
  by David Waern at 2007-08-17T14:53:04+00:00

  Factor out typechecking phase into Haddock.Typecheck

• 6bf75d9e
  by David Waern at 2007-08-17T16:55:35+00:00

  Factor out package code to Haddock.Packages

• b396db37
  by David Waern at 2007-08-29T22:40:23+00:00

  Major refactoring

• 3d4f95ee
  by David Waern at 2007-08-29T23:26:24+00:00

  Rename HaddockModule to Interface and a few more refactorings

• c55326db
  by David Waern at 2007-08-29T23:48:03+00:00

  Some comment cleanup

• 9a84fc46
  by David Waern at 2007-08-29T23:49:29+00:00

  Add some modules that I forgot to add earlier

• 4536dce2
  by David Waern at 2007-08-29T23:55:24+00:00

  Wibble

• 9b7f0206
  by David Waern at 2007-08-30T16:03:29+00:00

  Wibble

• c52c050a
  by David Waern at 2007-08-30T16:30:37+00:00

  Rename HaddockModule to Interface

• eae2995f
  by David Waern at 2007-08-30T16:42:59+00:00

  Simplify createInterfaces

• 53f99caa
  by David Waern at 2007-09-29T00:04:31+00:00

  Add build-type: Simple to the cabal file

• 0d3103a8
  by David Waern at 2007-09-29T00:04:58+00:00

  Add containers and array dependency

• 6acf5f30
  by David Waern at 2007-09-29T00:13:36+00:00

  Prettify the cabal file

• 87c1e378
  by David Waern at 2007-09-29T13:16:39+00:00

  FIX: consym data headers with more than two variables

• b67fc16a
  by David Waern at 2007-09-29T14:01:32+00:00

  FIX: prefix types used as operators should be quoted

• a8f925bc
  by David Waern at 2007-09-29T14:02:26+00:00

  Use isSymOcc from OccName instead of isConSym

• fc330701
  by David Waern at 2007-09-29T14:15:37+00:00

  Use isLexConSym/isLexVarSym from OccName

• e4f3dbad
  by David Waern at 2007-09-29T15:01:08+00:00

  FIX: do not quote varsym type operators

• 402207d2
  by David Waern at 2007-09-29T15:01:50+00:00

  Wibble

• f9d89ef0
  by David Waern at 2007-09-29T15:17:40+00:00

  Take care when pp tyvars - add parens on syms

• 849e2a77
  by David Waern at 2007-10-01T21:56:39+00:00

  Go back to using a ModuleMap instead of LookupMod - fixes a bug

• 549dbac6
  by David Waern at 2007-10-02T01:05:19+00:00

  Improve parsing of doc options

• a36021b8
  by David Waern at 2007-10-02T23:05:00+00:00

  FIX: double arrows in constructor contexts

• d03bf347
  by David Waern at 2007-10-09T16:14:05+00:00

  Add a simple test suite

• c252c140
  by David Waern at 2007-10-17T16:02:28+00:00

  Add --optghc=.. style flag passing to GHC

• cce6c1b3
  by David Waern at 2007-10-18T22:03:20+00:00

  Add support for --read-interface again

• 33d059c0
  by David Waern at 2007-10-18T22:30:18+00:00

  Refactoring -- get rid of Haddock.Packages

• f9ed0a4c
  by David Waern at 2007-10-18T22:34:36+00:00

  Name changes

• 8a1c816f
  by David Waern at 2007-10-20T14:24:23+00:00

  Add --ghc-version option

• 4925aaa1
  by David Waern at 2007-10-21T14:34:26+00:00

  Add some Outputable utils

• 69e7e47f
  by David Waern at 2007-10-21T14:35:49+00:00

  FIX: Ord for OrdName was not comparing modules

• 5a4ae535
  by David Waern at 2007-10-21T21:18:48+00:00

  Wibble

• 03d48e20
  by David Waern at 2007-10-24T15:52:56+00:00

  Remove Main from "other modules"

• c66f6d82
  by David Waern at 2007-10-24T16:37:18+00:00

  Make it possible to run haddock on itself

• 21d156d8
  by David Waern at 2007-10-25T14:02:14+00:00

  Don't set boot modules as targets

• f8bcf91c
  by David Waern at 2007-10-31T22:11:17+00:00

  Add optimisation flags

• 7ac758f2
  by David Waern at 2007-11-04T09:48:28+00:00

  Go back to loading only targets (seems to work now)

• 4862aae1
  by David Waern at 2007-11-05T22:24:57+00:00

  Do full compilation of modules -- temporary fix for GHC API problem

• 697e1517
  by David Waern at 2007-11-05T22:25:50+00:00

  Don't warn about not being able to link to wired/system/builtin-names

• 892186da
  by David Waern at 2007-11-06T00:49:21+00:00

  Filter out instances with TyCons that are not exported

• 9548314c
  by David Waern at 2007-11-06T09:37:14+00:00

  Wibble

• 5cafd627
  by David Waern at 2007-11-08T01:43:07+00:00

  Filter out all non-vanilla type sigs

• 04621830
  by David Waern at 2007-11-08T01:45:13+00:00

  Synch loading of names from .haddock files with GHC's name cache

• 88d37f77
  by David Waern at 2007-11-08T01:46:21+00:00

  Remove commented-out code

• 6409c911
  by David Waern at 2007-11-08T01:56:00+00:00

  Small bugfix and cleanup in getDeclFromTyCls

• af59d9c2
  by David Waern at 2007-11-08T02:08:44+00:00

  Remove OrdName stuff

• 3a615e2e
  by David Waern at 2007-11-08T02:13:41+00:00

  Update runtests.hs following changes to haddock

• 01f3314e
  by David Waern at 2007-11-08T02:33:01+00:00

  Complain if we can't link to wired-in names

• fcafb5d1
  by David Waern at 2007-11-09T02:40:16+00:00

  Don't exit when there are no file arguments

• 194bc332
  by David Waern at 2007-11-09T02:55:37+00:00

  Wibble

• dbe4cb55
  by David Waern at 2007-11-09T02:56:14+00:00

  Wibble

• 82869fda
  by David Waern at 2007-11-10T17:01:43+00:00

  Introduce InstalledInterface structure and add more stuff to the .haddock files
  
  We introduce InstalledInterface capturing the part of Interface that is stored
  in the interface files. We change the ppHtmlContents and ppHtmllIndex to take
  this structure instead of a partial Interface. We add stuff like the doc map
  and exported names to the .haddock file (via InstalledInterface).
  

• d6bb57bf
  by David Waern at 2007-11-10T17:19:48+00:00

  FIX: contents and index should include external package modules when --gen-contents/--gen-index

• e8814716
  by David Waern at 2007-11-11T00:29:27+00:00

  Remove lDocLinkName and its use in Html backend

• 6f9bd702
  by David Waern at 2007-11-11T00:50:57+00:00

  Do some refactoring in the html backend
  This also merges an old patch by Augustsson:
    
    Wed Jul 12 19:54:36 CEST 2006  lennart.augustsson@credit-suisse.com
      * Print type definitions like signatures if given arrows.
  
  
  

• 09d0ce24
  by Malcolm.Wallace at 2006-07-20T13:13:57+00:00

  mention HsColour in the docs, next to option flags for linking to source code

• 24da6c34
  by Malcolm.Wallace at 2006-07-20T13:14:50+00:00

  change doc references to CVS to give darcs repository location instead

• 74d52cd6
  by David Waern at 2007-11-11T00:55:33+00:00

  Update copyright

• fcaa3b4f
  by Duncan Coutts at 2006-09-08T13:41:00+00:00

  Eliminate dep on network by doing a little cut'n'paste
  haddock depending on the network causes a circular dependency
  at least if you want to build the network lib with haddock docs.
  

• 10cc9bda
  by David Waern at 2007-11-11T02:09:41+00:00

  Fix conflicts

• 4e3acd39
  by David Waern at 2007-11-11T02:21:19+00:00

  Manual merge of a patch from Duncan Coutts that removes the dependency on mtl 

• fa9070da
  by Neil Mitchell at 2006-09-29T15:52:03+00:00

  Do not generate an empty table if there are no exports, this fixes a <table></table> tag being generated, which is not valid HTML 4.01

• d7431c85
  by David Waern at 2007-11-11T02:28:50+00:00

  Fix conflicts

• f87e8f98
  by Simon Marlow at 2006-10-10T11:37:16+00:00

  changes for 0.8

• db929565
  by Simon Marlow at 2006-10-10T12:07:12+00:00

  fix the name of the source file
  
  

• 8220aa4b
  by Simon Marlow at 2006-10-11T14:17:37+00:00

  Rename haddock.js to haddock-util.js
  haddock.js will be run automatically by Windows when you type
  'haddock' if it is found on the PATH, so rename to avoid confusion.
  Spotted by Adrian Hey.
  

• 6bccdaa1
  by sven.panne at 2006-10-12T15:28:23+00:00

  Cabal's sdist does not generate "-src.tar.gz" files, but ".tar.gz" ones

• d3f3fc19
  by Simon Marlow at 2006-12-06T16:05:07+00:00

  add todo item for --maintainer

• 2da7e269
  by Simon Marlow at 2006-12-15T15:52:00+00:00

  TODO: do something better about re-exported symbols from another package

• 42d85549
  by David Waern at 2007-11-11T02:30:59+00:00

  Fix conflicts

• 5e7ef6e5
  by Neil Mitchell at 2007-01-11T15:41:15+00:00

  Never do spliting index files into many

• f3d4aebe
  by Neil Mitchell at 2007-01-11T17:07:09+00:00

  Add searching on the index page

• bad3ab66
  by Neil Mitchell at 2007-01-11T18:17:46+00:00

  Delete dead code, now there is only one index page

• cd09eedb
  by Neil Mitchell at 2007-01-11T18:21:19+00:00

  Delete more stuff that is no longer required

• e2806646
  by David Waern at 2007-11-11T02:41:53+00:00

  Fix conflicts

• a872a823
  by Neil Mitchell at 2007-01-11T18:51:43+00:00

  Make the index be in case-insensitive alphabetic order

• 8bddd9d7
  by Neil Mitchell at 2007-02-06T17:49:12+00:00

  Do not create empty tables for data declarations which don't have any constructors, instances or comments. Gets better HTML 4.01 compliance

• 036b8120
  by David Waern at 2007-11-11T02:56:58+00:00

  Fix conflicts

• f50c1639
  by Conal Elliott at 2007-02-14T21:54:00+00:00

  added substitution %{FILE///c}

• 402e166a
  by David Waern at 2007-11-11T03:35:46+00:00

  Manual merge of old patch:
  
  Sat Apr 21 04:36:43 CEST 2007  Roberto Zunino <zunrob@users.sf.net>
    * URL expansion for %%, %L, %{LINE}
  
  

• 2f264fbd
  by David Waern at 2007-11-11T03:40:33+00:00

  Manual merge of an old patch:
    Thu Apr 19 20:23:40 CEST 2007  Wolfgang Jeltsch <g9ks157k@acme.softbase.org>
      * bug fix
      When Haddock was invoked with the --ignore-all-exports flag but the ignore-exports module attribute wasn't used, hyperlinks weren't created for 
    non-exported names.
    
      This fix might not be as clean as one would wish (since --ignore-all-exports now results in ignore_all_exports = True *and* an additional
    OptIgnoreExports option for every module) but at least the bug seems to be resolved now.
  

• 7d7ae106
  by sven.panne at 2007-09-02T12:18:02+00:00

  Install LICENSE in the correct place

• 66eaa924
  by David Waern at 2007-11-11T19:02:46+00:00

  Fix a bug that made haddock loop

• 4ed47b58
  by David Waern at 2007-11-11T19:03:09+00:00

  Rename java-script file (this wasn't merge correctly)

• d569534a
  by David Waern at 2007-11-11T19:06:44+00:00

  Don't require -B <ghc-libdir> when no argument files
  Change readInterfaceFile to take a Maybe Session, to avoid having to pass -B 
  <ghc-libdir> to Haddock when there're no source files to process. This is nice when 
  computing contents/index for external packages.
  

• 373368bc
  by Neil Mitchell at 2007-01-11T18:22:44+00:00

  Change from tabs to spaces in the ppHtmlIndex function

• 6b063a77
  by Neil Mitchell at 2007-01-12T12:17:46+00:00

  Rewrite much of the index searching code, previously was too slow to execute on the base library with IE, the new version guarantees less than O(log n) operations be performed, where n is the number in the list (before was always O(n))

• bfad00b7
  by David Waern at 2007-11-11T23:33:53+00:00

  Fix conflicts

• cd2dcc09
  by Neil Mitchell at 2007-01-12T12:25:01+00:00

  Make the max number of results 75 instead of 50, to allow map searching in the base library to work

• 3ae74764
  by Neil Mitchell at 2007-01-12T12:58:17+00:00

  Make the search box in a form so that enter does the default search

• 142103e5
  by David Waern at 2007-11-12T00:03:18+00:00

  Merge patch from the old branch:
  
  Fri Aug 31 13:21:45 CEST 2007  Duncan Coutts <duncan@haskell.org>
    * Add category: Development to .cabal file
    Otherwise it appears on the hackage website in the "Unclassified" category.
  
  

• 22ec2ddb
  by David Waern at 2007-11-25T01:55:29+00:00

  A a list of small improvements to the TODO file

• eb0129f4
  by Wolfgang Jeltsch at 2007-12-03T23:47:55+00:00

  addition of type equality support (at least for HTML generation)

• 816a7e22
  by David Waern at 2007-12-08T15:46:26+00:00

  Handle class operators correctly when rendering predicates

• 68baaad2
  by David Waern at 2007-12-08T16:15:54+00:00

  Code layout changes

• 09b77fb4
  by David Waern at 2007-12-08T16:16:03+00:00

  Handle infix operators correctly in the Type -> HsType translation

• 31c36da2
  by David Waern at 2007-12-08T16:24:27+00:00

  Add ppLParendTypes/ppLParendType

• b17cc818
  by David Waern at 2007-12-08T16:26:12+00:00

  Use ppParendType when printing types args in predicates

• ffd1f2cf
  by David Waern at 2007-12-08T16:45:06+00:00

  Fix rendering of instance heads to handle infix operators
  This is also a refactoring to share this code for rendering predicates.
  
  

• ff886d45
  by David Waern at 2007-12-08T17:27:46+00:00

  Fix rendering of class operators

• e2fcbb9e
  by David Waern at 2007-12-08T17:59:28+00:00

  Fix a bug (use ppTyName instead of ppName to print names in type apps)

• 79a1056e
  by David Waern at 2007-12-08T21:25:18+00:00

  Update tests

• 867741ac
  by David Waern at 2007-12-08T21:25:49+00:00

  Give a diff on test failure

• 7e5eb274
  by David Waern at 2008-01-05T14:33:45+00:00

  Add DrIFT commands

• 3656454d
  by David Waern at 2008-01-05T20:26:00+00:00

  Add "cabal-version: >= 1.2" to the cabal file

• 77974efc
  by Simon Marlow at 2007-12-20T09:52:44+00:00

  add an item

• f6ac1708
  by Simon Marlow at 2007-12-06T14:00:10+00:00

  Source links must point to the original module, not the referring module

• eda1d5c9
  by David Waern at 2008-01-06T14:40:52+00:00

  Manual merge of a patch to the 0.8 branch
  
    Thu Dec  6 15:00:10 CET 2007  Simon Marlow <simonmar@microsoft.com>
      * Source links must point to the original module, not the referring 
        module
  
  

• 378f4085
  by David Waern at 2008-01-06T16:03:45+00:00

  Change stability from stable to experimental

• 8bdafe44
  by David Waern at 2008-01-06T16:14:22+00:00

  Add haskell.vim (it had been removed somehow)

• ea34d02e
  by David Waern at 2008-01-06T16:36:57+00:00

  Change version to 2.0.0.0

• 34631ac0
  by David Waern at 2008-01-06T16:44:57+00:00

  Add missing modules to the cabal file

• 9e142935
  by David Waern at 2008-01-06T17:25:42+00:00

  Depend on ghc >= 6.8.2 && < 6.9

• 59f9eeaa
  by Simon Marlow at 2007-12-20T10:43:04+00:00

  add build scripts

• 1c29ae30
  by Simon Marlow at 2007-12-20T10:47:07+00:00

  update version number

• fe16a3e4
  by Simon Marlow at 2007-12-20T10:48:03+00:00

  update version

• f688530f
  by Simon Marlow at 2007-12-20T10:48:29+00:00

  doc updates

• ce71b611
  by David Waern at 2008-01-07T13:46:32+00:00

  Change version in docs and spec

• 03ab8d6f
  by David Waern at 2008-01-07T13:47:38+00:00

  Manually merge over changes to CHANGES for 0.9

• 39f1b042
  by David Waern at 2008-01-07T15:17:41+00:00

  Remove the -use-package flag, we don't support it anyway

• 7274a544
  by David Waern at 2008-01-07T15:33:05+00:00

  Update CHANGES for 2.0.0.0

• 96594f5d
  by David Waern at 2008-01-07T15:46:49+00:00

  Wibble

• f4c5a4c4
  by David Waern at 2008-01-07T15:55:36+00:00

  Change url to repo in documentation

• 8a4c77f0
  by David Waern at 2008-01-07T16:00:54+00:00

  Update CHANGES

• cb3a9288
  by David Waern at 2008-01-07T16:02:55+00:00

  Documentation fix

• d8e45539
  by David Waern at 2008-01-07T16:12:00+00:00

  Update docs to say that Haddock accets .lhs files and module names

• 4b5ce824
  by David Waern at 2008-01-07T16:12:25+00:00

  Document -B option

• 47274262
  by David Waern at 2008-01-07T16:23:07+00:00

  Update CHANGES

• 7ff314a9
  by David Waern at 2008-01-07T16:23:20+00:00

  Remove --use-package, --package & --no-implicit.. flags from docs

• 6c3819c0
  by David Waern at 2008-01-07T16:23:52+00:00

  Remove --no-implicit-prelide flag

• 1b14ae40
  by David Waern at 2008-01-07T16:32:26+00:00

  Update the "Using literate or pre-processed source" section

• 0117f620
  by David Waern at 2008-01-07T16:41:55+00:00

  Document the --optghc flag

• 087ab1cf
  by David Waern at 2008-01-07T16:42:10+00:00

  Remove the documenation section on derived instances
  The problem mentioned there doesn't exist in Haddock 2.0.0.0
  

• 7253951e
  by David Waern at 2008-01-07T16:48:40+00:00

  Document OPTIONS_HADDOCK

• 3b6bdcf6
  by David Waern at 2008-01-07T16:56:54+00:00

  Wibble

• 3025adf9
  by David Waern at 2008-01-07T17:08:14+00:00

  Wibble

• 5f30f1a0
  by David Waern at 2008-01-07T17:15:44+00:00

  Change synopsis field to description

• 1673f54b
  by David Waern at 2008-01-07T17:18:21+00:00

  Change my email address in the cabal file

• 55aa9808
  by David Waern at 2008-01-07T18:18:02+00:00

  Add documentation for readInterfaceFile

• eaea417f
  by David Waern at 2008-01-07T18:21:30+00:00

  Export necessary stuff from Distribution.Haddock

• 7ea18759
  by David Waern at 2008-01-07T18:31:49+00:00

  Remove dep on Cabal

• 7b79c74e
  by David Waern at 2008-01-07T18:33:49+00:00

  Remove dep on process

• ce3054e6
  by David Waern at 2008-01-16T23:01:21+00:00

  Add feature-requsts from Henning Thielemann to TODO

• 0c08f1ec
  by David Waern at 2008-01-16T23:03:02+00:00

  Record a bug in TODO

• b04605f3
  by David Waern at 2008-01-23T16:59:06+00:00

  Add a bug reported by Ross to TODO

• 5b17c030
  by David Waern at 2008-01-23T18:05:53+00:00

  A a bug report to TODO

• 1c993b0d
  by David Waern at 2008-01-25T16:30:25+00:00

  Accept test output

• c22fc0d0
  by David Waern at 2008-01-25T16:34:49+00:00

  Accept test output

• 4b795811
  by David Waern at 2008-01-25T16:38:37+00:00

  Change Hidden.hs (test) to use OPTIONS_HADDOCK

• c124dbd9
  by David Waern at 2008-01-25T16:39:23+00:00

  Accept test output

• ec6f6eea
  by David Waern at 2008-01-25T16:42:08+00:00

  Add Hidden.html.ref to tests

• 1dc9610c
  by David Waern at 2008-02-02T20:50:51+00:00

  Add a comment about UNPACK bug in TODO

• 2d3f7081
  by David Waern at 2008-02-09T22:33:24+00:00

  Change the representation of DocNames
  
  Ross Paterson reported a bug where links would point to the defining module
  instead of the "best" module for an identifier (e.g Int pointing to GHC.Base
  instead of Data.Int). This patch fixes this problem by refactoring the way
  renamed names are represented. Instead of representing them by:
  
  > data DocName = Link Name | NoLink Name
  
  they are now represented as such:
  
  > data DocName = Documented Name Module | Undocumented Name
  
  and the the link-env looks like this:
  
  > type LinkEnv = Map Name Module
  
  There are several reasons for this. First of all, the bug was caused by
  changing the module part of Names during the renaming process, without changing
  the Unique field. This caused names to be overwritten during the loading of
  .haddock files (which caches names using the NameCache of the GHC session).
  So we might create new Uniques during renaming to fix this (but I'm not
  sure that would be problem-free). Instead, we just keep the Name and add the
  Module where the name is best documented, since it can be useful to keep
  the original Name around (for e.g. source-code location info and for users of
  the Haddock API).
  
  Also, the names Link/NoLink don't really make sense, since wether to use
  links or not is entirely up to the users of DocName.
  
  In the process of following this change into H.Backends.Html I removed the
  assumption that binder names are Undocumented (which was just an unnecessary
  assumption, the OccName is the only thing needed to render these). This will
  probably make it possible to get rid of the renamer and replace it with a
  traversal from SYB or Uniplate.
  
  Since DocName has changed, InterfaceFile has changed so this patch also
  increments the file-format version. No backwards-compatibility is implemented.
  

• 0f28c921
  by David Waern at 2008-02-09T23:00:36+00:00

  H.GHC.Utils: remove unused imports/exports

• 0c44cad5
  by David Waern at 2008-02-10T00:28:13+00:00

  H.GHC.Utils: add some functions that were removed by mistake

• e3452f49
  by David Waern at 2008-02-10T00:28:48+00:00

  Fix some trivial warnings in H.InterfaceFile

• a6d74644
  by David Waern at 2008-02-10T00:48:06+00:00

  Update the version message to fit in small terminals

• 76c9cd3e
  by David Waern at 2008-02-10T14:47:39+00:00

  Remove bugs from TODO that don't apply anymore since the port

• 5e10e090
  by David Waern at 2008-02-10T15:22:47+00:00

  Remove bugs from TODO that weren't actual bugs

• fef70878
  by David Waern at 2008-02-10T15:23:44+00:00

  Remove yet another item from TODO that was not an actual bug

• e1af47b8
  by David Waern at 2008-02-11T10:25:57+00:00

  Bump the version number to 2.1.0
  
  Since the exported datatype DocName has changed, we need to bump the
  major version number.
  
  Let's also drop the fourth version component, it's not that useful.
  

• e3be7825
  by David Waern at 2008-04-11T14:29:04+00:00

  Add a bug to TODO

• cb6574be
  by David Waern at 2008-04-11T16:00:45+00:00

  Use the in-place haddock when running tests

• c6d7af0d
  by David Waern at 2008-04-11T16:09:16+00:00

  Turn off GHC warnings when running tests

• 7f61b546
  by David Waern at 2008-04-11T17:24:00+00:00

  Add a flag for turning off all warnings

• 883b8422
  by David Waern at 2008-04-12T14:02:18+00:00

  Fix printing of data binders

• 2a0db8fc
  by David Waern at 2008-04-12T18:52:46+00:00

  Fix missing parenthesis in constructor args bug

• 1b3ac3f9
  by David Waern at 2008-04-12T18:57:23+00:00

  Simplify test suite and add tests
  I move all tests into one single directory to simplify things, and add a test
  for the last bug that was fixed.
  

• 8f178376
  by David Waern at 2008-04-12T19:00:15+00:00

  Add a script for copying test output to "expected" output

• 193e3a03
  by David Waern at 2008-04-12T19:16:37+00:00

  Remove two fixed bugs from TODO

• ddc9130c
  by David Waern at 2008-04-12T19:37:06+00:00

  Update test README

• 956069c0
  by David Waern at 2008-05-01T12:16:14+00:00

  Update version number in spec and docs

• 5478621c
  by David Waern at 2008-05-01T12:28:12+00:00

   Remove claim of backwards compatibility from docs for readInterfaceFile

• 4a16dea9
  by David Waern at 2008-05-01T12:33:04+00:00

  Update CHANGES

• 804216fb
  by David Waern at 2008-05-01T12:43:16+00:00

  Add a synopsis

• fd0c84d5
  by David Waern at 2008-05-01T12:44:44+00:00

  Add Haddock.DocName to the cabal file

• 9f4a7439
  by David Waern at 2008-05-01T12:45:53+00:00

  Remove -fglasgow-exts and -fasm

• aee7c145
  by David Waern at 2008-05-01T12:54:01+00:00

  Add LANGUAGE pragmas to source files

• 9a58428b
  by David Waern at 2008-05-01T12:54:19+00:00

  Add extensions to cabal file

• 494f1bee
  by David Waern at 2008-05-01T13:12:09+00:00

  Export DocName in the API

• c938196b
  by David Waern at 2008-05-01T13:12:19+00:00

  Add hide options to some source files

• 236e86af
  by Neil Mitchell at 2008-06-07T20:45:10+00:00

  Rewrite the --hoogle flag support

• 6d910950
  by Neil Mitchell at 2008-06-14T10:56:50+00:00

  Simplify the newtype/data outputting in Hoogle, as haddock does it automatically

• f87a95a8
  by Neil Mitchell at 2008-06-14T12:10:18+00:00

  Add initial structure for outputting documentation as well, but does not yet output anything

• 7c3bce54
  by Neil Mitchell at 2008-06-14T12:27:07+00:00

  Remove <document comment> from the Hoogle output

• 9504a325
  by Neil Mitchell at 2008-06-16T06:33:21+00:00

  Default to "main" if there is no package, otherwise will clobber hoogle's hoogle info

• 4a794a79
  by Neil Mitchell at 2008-06-16T06:53:29+00:00

  Change packageName to packageStr, as it better reflects the information stored in it

• 7abc9baf
  by Neil Mitchell at 2008-06-16T07:09:49+00:00

  Add modulePkgInfo to Haddock.GHC.Utils, which gives back package name and version info

• 8ca11514
  by Neil Mitchell at 2008-06-16T07:13:48+00:00

  Change Hoogle to take the package name and package version separately

• a6da452d
  by Neil Mitchell at 2008-06-18T11:29:46+00:00

  In Hoogle do not list things that are not local to this module

• 974b76b7
  by David Waern at 2008-06-19T18:40:13+00:00

  Be more consistent with GHC API naming in H.GHC.Utils

• 2facb4eb
  by David Waern at 2008-06-19T19:03:03+00:00

  Update test output

• c501de72
  by David Waern at 2008-06-26T20:26:49+00:00

  Use ghc-paths to get the lib dir
  
  The path can still be overridden using the -B flag. It's not longer
  required to pass the lib dir to the program that runs the test suite.
  

• ac4c6836
  by David Waern at 2008-06-26T20:33:08+00:00

  Update CHANGES

• 9d21c60a
  by David Waern at 2008-06-26T20:34:53+00:00

  Update README

• 741448f0
  by David Waern at 2008-06-26T21:12:57+00:00

  Improve wording in the help message

• b1b42b11
  by David Waern at 2008-06-30T10:16:17+00:00

  Rename ForeignType

• 6d6c2b34
  by David Waern at 2008-06-30T10:25:09+00:00

  Rename TyFamily

• 8d1125ed
  by David Waern at 2008-06-30T10:37:21+00:00

  Rename type patterns

• 7610a4cb
  by David Waern at 2008-06-30T10:45:07+00:00

  Rename associated types

• 8eeba14c
  by David Waern at 2008-06-30T10:47:41+00:00

  Remove the TODO file now that we have a trac

• 1af5b25b
  by David Waern at 2008-07-02T18:19:28+00:00

  Render type family declarations (untested)

• ceb99797
  by David Waern at 2008-07-02T18:24:06+00:00

  Remove redundant check for summary when rendering data types

• b36a58e0
  by David Waern at 2008-07-02T22:01:38+00:00

  More support for type families and associated types
  Now we just need to render the instances
  

• 78784879
  by David Waern at 2008-07-07T22:13:58+00:00

  Remove filtering of instances
  We were filtering out all instances for types with unknown names. This was probably an
  attempt to filter out instances for internal types. I am removing the filtering for the
  moment, and will try to fix this properly later.
  
  

• 3e758dad
  by David Waern at 2008-06-30T18:50:30+00:00

  Run haddock in-place during testing

• d9dab0ce
  by David Waern at 2008-07-08T21:04:32+00:00

  Remove index.html and doc-index.html from output, they should not be versioned

• 3e6c4681
  by David Waern at 2008-07-08T21:06:42+00:00

  Update test output following change to instance filtering

• e34a3f14
  by David Waern at 2008-07-12T16:48:28+00:00

  Stop using the map from exported names to declarations
  
  During creation of the interface, we were using two maps: one from 
  exported names to declarations, and one from all defined names in the 
  module to declarations. The first contained subordinate names while the 
  second one didn't. The first map was never used to look up names not 
  defined in the associated module, so if we add subordinate names to the
  second map, we could use it everywhere. That's that this patch does.
  
  This simplifies code because we don't have to pass around two maps 
  everywhere.
  
  We now store the map from locally defined things in the interface
  structure instead of the one from exported names.
  

• 2e1d2766
  by David Waern at 2008-07-12T16:55:21+00:00

  Get the all locally defined names from GHC API
  
  We previously had some code to compute all locally defined names in 
  a module including subordinate names. We don't need it since we can
  get the names from modInfoTyThings in the GHC API.
  

• bf637994
  by David Waern at 2008-07-13T13:09:16+00:00

  Refactoring in H.Interface.Create
  
  We were creating a doc map, a declaration map and a list of entities
  separately by going through the HsGroup. These structures were all used
  to build the interface of a module.
  
  Instead of doing this, we can start by creating a list of declarations
  from the HsGroup, then collect the docs directly from this list 
  (instead of using the list of entities), creating a documentation map.
  
  We no longer need the Entity data type, and we can store a single
  map from names to declarations and docs in the interface, instead of
  the declaration map and the doc map.
  
  This way, there is only one place where we filter out the declarations
  that we don't want, and we can remove a lot of code.
  
  Another advantage of this is that we can create the exports directly
  out of the list of declarations when we export the full module contents.
  (Previously we did a look up for each name to find the declarations).
  This is faster and removes another point where we depend on names to
  identify exported declarations, which is good because it eliminates
  problems with instances (which don't have names).
  

• 547e410e
  by David Waern at 2008-07-13T13:34:51+00:00

  Remove FastString import and FSLIT macro in H.I.Create -- they were unused

• 693759d1
  by David Waern at 2008-07-13T13:36:23+00:00

  Remove unused import from H.I.Create

• cde6e7fb
  by David Waern at 2008-07-13T13:51:54+00:00

  Small touches

• 96de8f1d
  by David Waern at 2008-07-20T11:21:46+00:00

  Preparation for rendering instances as separate declarations
  
  We want to be able to render instances as separate declarations. So we remove
  the Name argument of ExportDecl, since instances are nameless.
  
  This patch also contains the first steps needed to gather type family instances 
  and display them in the backend, but the implementation is far from complete.
  Because of this, we don't actually show the instances yet.
  

• b0f824fb
  by David Waern at 2008-07-20T15:53:08+00:00

  Follow changes to ExportDecl in Hoogle

• 1192eff3
  by Neil Mitchell at 2008-06-26T00:28:10+00:00

  Change how the Hoogle backend outputs classes, adding the context in

• 7a0d1464
  by Neil Mitchell at 2008-06-26T00:28:46+00:00

  Remove the indent utility function from Hoogle backend

• 3361241b
  by Neil Mitchell at 2008-06-26T09:45:09+00:00

  Add support for Hoogle writing ForeignImport/ForeignExport properly

• 795ad3bf
  by Neil Mitchell at 2008-06-26T12:15:25+00:00

  Flesh out the Hoogle code to render documentation

• 23277995
  by Neil Mitchell at 2008-06-26T14:56:41+00:00

  Fix a bug in the Hoogle backend, unordered lists were being written out <ul>...</u>

• db739b27
  by Neil Mitchell at 2008-06-26T15:09:54+00:00

  Remove any white space around a <li> element

• f2e6bb8c
  by Neil Mitchell at 2008-07-10T15:30:47+00:00

  Remove the TODO in the Hoogle HTML generation, was already done

• 693ec9a3
  by Neil Mitchell at 2008-07-10T15:53:00+00:00

  Put brackets round operators in more places in the Hoogle output

• 842313aa
  by Neil Mitchell at 2008-07-10T16:01:25+00:00

  Print type signatures with brackets around the name

• cf93deb0
  by David Waern at 2008-07-20T17:04:22+00:00

  Bump version number to 2.2.0

• 30e6a8d1
  by David Waern at 2008-07-20T17:04:41+00:00

  Resolve conflicts in H.B.Hoogle

• 1f0071c9
  by David Waern at 2008-07-23T23:05:01+00:00

  Add "all" command to runtests.hs that runs all tests despite failures

• f2723023
  by David Waern at 2008-07-23T23:08:39+00:00

  Update tests/README

• c0304a11
  by David Waern at 2008-07-23T23:21:15+00:00

  Be compatible with GHC 6.8.3
      
  The cabal file is converted to use the "new" syntax with explicit Library
  and Executable sections.
  
  We define the __GHC_PATCHLEVEL__ symbol using a conditinal cpp-options field
  in the cabal file. (Ideally, Cabal would define the symbol for us, like it does
  for __GLASGOW_HASKELL__).
  
  We use these symbols to #ifdef around a small difference between 6.8.2 and 6.8.3.
      
  Previously, we only supported GHC 6.8.2 officially but the dependencies field
  said "ghc <= 6.9". This was just for convenience when testing against the (then 
  compatible) HEAD version of GHC, and was left in the release by mistake.
    
  Now, we support both GHC 6.8.2 and 6.8.3 and the dependencies field
  correctly reflects this.
  

• 88a5fe71
  by David Waern at 2008-07-23T23:54:16+00:00

  Depend on the currently available ghc-paths versions only

• 8738d97b
  by David Waern at 2008-07-24T10:50:44+00:00

  FIX haskell/haddock#44: Propagate parenthesis level when printing documented types

• 05339119
  by David Waern at 2008-07-24T16:06:18+00:00

  Drop unnecessary parenthesis in types, put in by the user
   
  We were putting in parenthesis were the user did. Let's remove this since
  it just clutters up the types. The types are readable anyway since we print
  parens around infix operators and do not rely on fixity levels.
    
  When doing this I discovered that we were relying on user parenthesis when
  printin types like (a `O` b) c. This patchs fixes this problem so that
  parenthesis are always inserted around an infix op application in case it
  is applied to further arguments, or if it's an arguments to a type constructor.
  
  Tests are updated.
  

• b3a99828
  by David Waern at 2008-07-24T10:19:43+00:00

  Print parenthesis around non-atomic banged types
  
  Fixes half of haskell/haddock#44
  

• ab5238e0
  by David Waern at 2008-07-24T22:07:49+00:00

  Add a reference file for the TypeFamilies test

• 1941cc11
  by David Waern at 2008-07-25T17:15:53+00:00

  Simplify definition of pretty and trace_ppr

• e3bfa33c
  by David Waern at 2008-07-25T17:18:27+00:00

  Warning messages
  
  Output a warning when filtering out data/type instances and associated types
  in instances. We don't show these in the documentation yet, and we need to
  let the user know.
  

• 9b85fc89
  by David Waern at 2008-07-25T17:45:40+00:00

  Doc: Mention Hoogle in the Introduction

• afb2dd60
  by David Waern at 2008-07-25T17:49:00+00:00

  Doc: update -B description

• 584c0c91
  by David Waern at 2008-07-25T18:11:38+00:00

  Doc: describe -w flag

• 77619c24
  by David Waern at 2008-07-28T12:29:07+00:00

  Remove TODO from cabal file

• 96717d5f
  by David Waern at 2008-07-28T12:29:27+00:00

  Support type equality predicates

• c2fd2330
  by David Waern at 2008-07-29T19:45:14+00:00

  Move unL from H.B.Hoogle to H.GHC.Utils
  
  I like Neil's shorter unL better than unLoc from the GHC API.
  

• c4c3bf6a
  by David Waern at 2008-07-29T19:47:36+00:00

  Do not export ATs when not in list of subitems

• bf9a7b85
  by David Waern at 2008-08-03T11:42:59+00:00

  Filter out ForeignExports

• df59fcb0
  by David Waern at 2008-08-03T14:02:51+00:00

  Filter out more declarations
  
  The previous refactorings in H.I.Create introduced a few bugs. Filtering
  of some types of declarations that we don't handle was removed. This patch
  fixes this.
  

• 2f8a958b
  by David Waern at 2008-08-03T15:24:07+00:00

  Move reL to H.GHC.Utils so we can use it everywhere

• 8ec15efd
  by David Waern at 2008-08-03T15:25:00+00:00

   Use isVanillaLSig from GHC API instead of home brewn function

• 300f93a2
  by David Waern at 2008-08-03T15:25:27+00:00

  Filter out separately exported ATs
  
  This is a quick and dirty hack to get rid of separately exported ATs.
  We haven't decided how to handle them yet. No warning message is given.
  

• 8776d1ec
  by David Waern at 2008-08-03T16:21:21+00:00

  Filter out more declarations and keep only vanilla type sigs in classes

• ea07eada
  by David Waern at 2008-08-03T16:48:00+00:00

  Fix layout

• dd5e8199
  by David Waern at 2008-08-03T16:50:52+00:00

  Move some utility functions from H.I.Create to H.GHC.Utils

• 4a1dbd72
  by David Waern at 2008-08-03T17:39:55+00:00

  Do not filter out doc declarations

• 0bc8dca4
  by David Waern at 2008-08-03T17:47:26+00:00

  Filter out separately exported ATs (take two)

• af970fe8
  by David Waern at 2008-08-03T22:39:17+00:00

  Update CHANGES

• 5436ad24
  by David Waern at 2008-08-03T22:40:20+00:00

  Bump version number to 2.2.1

• d66de448
  by David Waern at 2008-08-05T19:00:32+00:00

  Remove version restriction on ghc-paths

• 534b1364
  by David Waern at 2008-08-05T19:04:35+00:00

  Bump version to 2.2.2 and update CHANGES

• 549188ff
  by David Waern at 2008-08-05T19:16:49+00:00

  Fix CHANGES

• 0d156bb4
  by Luke Plant at 2008-08-11T15:20:59+00:00

  invoking haddock clarification and help

• 748295cc
  by David Waern at 2008-08-11T18:56:37+00:00

  Doc: say that the --hoogle option is functional

• 43301db4
  by David Waern at 2008-08-05T19:26:08+00:00

  Change ghc version dependency to >= 6.8.2

• 3e5a53b6
  by David Waern at 2008-08-10T22:42:05+00:00

  Make H.GHC.Utils build with GHC HEAD

• 7568ace0
  by David Waern at 2008-08-11T19:41:54+00:00

  Import Control.OldException instead of C.Exception when using ghc >= 6.9
  
  We should really test for base version instead, but I don't currently
  know which version to test for.
  

• b71ae991
  by David Waern at 2008-08-12T22:40:39+00:00

  Make our .haddock file version number depend on the GHC version
  
  We need to do this, since our .haddock format can potentially
  change whenever GHC's version changes (even when only the patchlevel
  changes).
  

• 6307ce3f
  by David Waern at 2008-08-12T22:49:57+00:00

  Remove matching on NoteTy in AttachInstances, it has been removed

• 2dbcfd5f
  by David Waern at 2008-08-12T23:02:02+00:00

  Comment out H.GHC.loadPackages - it is unused and doesn't build with ghc >= 6.9

• c74db5c2
  by David Waern at 2008-08-12T23:03:58+00:00

  Hide <.> from GHC import in Hoogle only for ghc <= 6.8.3

• 69a44ebb
  by David Waern at 2008-08-12T23:11:12+00:00

  Follow changes to parseDynamic/StaticFlags

• 5881f3f0
  by David Waern at 2008-08-13T21:43:58+00:00

  Add __GHC_PATCHLEVEL__ symbol also when building the library

• 8574dc11
  by David Waern at 2008-08-13T21:44:17+00:00

  Follow move of package string functions from PackageConfig to Module

• c9baa77f
  by David Waern at 2008-08-13T21:45:29+00:00

  Follow extensible exceptions changes

• 9092de15
  by David Waern at 2008-08-13T21:46:20+00:00

  Update test following Haddock version change

• ebe569a4
  by David Waern at 2008-08-13T21:46:54+00:00

  Follow changes to parseDynamic- parseStaticFlags in GHC

• b8a5ffd3
  by David Waern at 2008-08-13T21:47:36+00:00

  Follow changes to Binary in GHC 6.9

• edfda1cc
  by David Waern at 2008-08-13T21:50:17+00:00

  Change ghc version dependency to >= 6.8.2 && <= 6.9

• d59be1cf
  by Neil Mitchell at 2008-08-12T16:02:53+00:00

  Output all items, even if they are not defined in this module - ensures map comes from Prelude, not just GHC.Base

• dda93b9f
  by Neil Mitchell at 2008-08-12T21:37:32+00:00

  Add support for type synonyms to Hoogle, was accidentally missing before (woops!)

• b6ee795c
  by Neil Mitchell at 2008-08-13T14:03:24+00:00

  Generalise Hoogle.doc and add a docWith

• 415e1bb2
  by Neil Mitchell at 2008-08-13T14:03:46+00:00

  Make Hoogle add documentation to a package

• 790a1202
  by Neil Mitchell at 2008-08-18T12:52:43+00:00

  Use the same method to put out signatures as class methods in the Hoogle backend

• ded37eba
  by Neil Mitchell at 2008-08-18T12:53:04+00:00

  Remove Explicit top-level forall's when pretty-printing signatures

• 6468c722
  by Neil Mitchell at 2008-08-20T07:59:13+00:00

  Simplify the code by removing not-to-important use of <.> in the Hoogle back end

• 788c3a8b
  by Neil Mitchell at 2008-08-21T18:20:24+00:00

  In the hoogle back end, markup definition lists using <i>, not <b>

• 77d4b000
  by Ian Lynagh at 2008-08-14T10:49:14+00:00

  Add a Makefile for GHC's build system. Still won't work yet, but we're closer

• 920440d7
  by Ian Lynagh at 2008-08-27T18:06:46+00:00

  Add haddock.wrapper

• bcda925f
  by Ian Lynagh at 2008-08-27T18:07:02+00:00

  Add a manual Cabal flag to control the ghc-paths dependency

• 04d194e2
  by Ian Lynagh at 2008-08-27T20:41:27+00:00

  Update extensions in Cabal file
  Use ScopedTypeVariables instead of PatternSignatures
  

• 12480043
  by Ian Lynagh at 2008-08-27T20:41:55+00:00

  Increase the upper bound on the GHC version number

• b1f809a5
  by Ian Lynagh at 2008-08-27T21:32:22+00:00

  Fix some warnings

• aea0453d
  by Ian Lynagh at 2008-08-28T14:22:29+00:00

  Fixes for using haddock in a GHC build tree

• ad23bf86
  by Ian Lynagh at 2008-08-28T21:14:27+00:00

  Don't use Cabal wrappers on Windows

• 35858e4c
  by Ian Lynagh at 2008-08-29T00:07:42+00:00

  Fix in-tree haddock on Windows

• c2642066
  by Ian Lynagh at 2008-09-03T22:35:53+00:00

  follow library changes

• 2eb55d50
  by Ian Lynagh at 2008-09-07T18:52:51+00:00

  bindist fixes

• 3daa5b59
  by Ian Lynagh at 2008-09-10T16:58:18+00:00

  We need to tell haddock that its datasubdir is . or it can't find package.conf

• 388fd8c2
  by Ian Lynagh at 2008-09-10T19:47:44+00:00

  Fix haddock inplace on Windows

• 70a641c1
  by Ian Lynagh at 2008-09-10T22:15:44+00:00

  Fix installed haddock on Windows

• 83c1e997
  by Neil Mitchell at 2008-09-11T10:48:55+00:00

  Import GHC.Paths if not IN_GHC_TREE, seems to match the use of GHC.Paths functions much better

• b452519b
  by Ian Lynagh at 2008-09-12T12:58:24+00:00

  Add a LANGUAGE ForeignFunctionInterface pragma

• afbd592c
  by Ian Lynagh at 2008-09-12T12:59:13+00:00

  Wibble imports

• 547ac4ad
  by Ian Lynagh at 2008-09-14T15:34:22+00:00

  Add a "#!/bin/sh" to haddock.wrapper

• f207a807
  by Ian Lynagh at 2008-09-15T10:02:32+00:00

  Use "exec" when calling haddock in the wrapper

• 2ee68509
  by Thomas Schilling at 2008-09-15T09:09:16+00:00

  Port Haddock.Interface to new GHC API.
  
  This required one bigger change: 'readInterfaceFile' used to take an
  optional 'Session' argument.  This was used to optionally update the
  name cache of an existing GHC session.  This does not work with the
  new GHC API, because an active session requires the function to return
  a 'GhcMonad' action, but this is not possible if no session is
  provided.
  
  The solution is to use an argument of functions for reading and
  updating the name cache and to make the function work for any monad
  that embeds IO, so it's result type can adapt to the calling context.
  
  While refactoring, I tried to make the code a little more
  self-documenting, mostly turning comments into function names.
  

• 3bb96431
  by Thomas Schilling at 2008-09-15T09:09:37+00:00

  Reflect GHC API changes.

• 2e60f714
  by Thomas Schilling at 2008-09-15T09:10:37+00:00

  Port Haddock.GHC.Typecheck to new GHC API.

• 9cfd4cff
  by Thomas Schilling at 2008-09-15T09:11:00+00:00

  Port Haddock.GHC to new GHC API.

• caffa003
  by Thomas Schilling at 2008-09-15T09:11:25+00:00

  Port Main to new GHC API.

• 069a4608
  by Ian Lynagh at 2008-09-21T11:19:00+00:00

  Fix paths used on Windows frmo a GHC tree: There is no whare directory

• 7ceee1f7
  by Ian Lynagh at 2008-09-21T12:20:16+00:00

  Fix the in-tree haddock on Windows

• 0d486514
  by Ian Lynagh at 2008-09-23T18:06:58+00:00

  Increase the GHC upper bound from 6.11 to 6.13

• f092c414
  by Neil Mitchell at 2008-09-11T14:56:07+00:00

  Do not wrap __ in brackets

• 036bdd13
  by Ian Lynagh at 2008-09-28T01:42:35+00:00

  Fix building haddock when GhcProfiled=YES

• 01434a89
  by David Waern at 2008-09-24T20:24:21+00:00

  Add PatternSignatures LANGUAGE pragma to Main and Utils

• 1671a750
  by David Waern at 2008-10-02T22:57:25+00:00

  For source links, get original module from declaration name instead of environment.
  
  Getting it from the environment must have been a remnant from the
  times when we were using unqualified names (versions 0.x).
  

• a25dde99
  by David Waern at 2008-10-02T22:59:57+00:00

  Remove ifaceEnv from Interface - it's no longer used

• 610993da
  by David Waern at 2008-10-02T23:04:58+00:00

  Write a comment about source links for type instance declarations

• 5a96b5d5
  by Thomas Schilling at 2008-10-03T10:45:08+00:00

  Follow GHC API change of parseModule.

• 5a943ae5
  by Ian Lynagh at 2008-10-03T15:56:58+00:00

  TAG 2008-10-03

• 76cdd6ae
  by Thomas Schilling at 2008-10-08T12:29:50+00:00

  Only load modules once when typechecking with GHC.
    
  This still doesn't fix the memory leak since the typechecked source is
  retained and then processed separately.  To fix the leak, modules must
  be processed directly after typechecking.
  

• 7074d251
  by David Waern at 2008-10-09T23:53:54+00:00

  Interleave typechecking with interface creation
  
  At the same time, we fix a bug where the list of interfaces were
  processed in the wrong order, when building the links and renaming
  the interfaces.
  

• 4b9b2b2d
  by David Waern at 2008-10-09T23:54:49+00:00

  Add some strictness annotations in Interface
  
  We add some strictness annotations to the fields of Interface,
  so that less GHC data is hold on to during processing.
  

• 22035628
  by David Waern at 2008-10-10T20:02:31+00:00

  Remove typecheckFiles and MonadUtils import from H.GHC.Typeccheck

• be637ad3
  by David Waern at 2008-10-10T20:33:38+00:00

  Make Haddock build with GHC 6.8.2

• 523b3404
  by David Waern at 2008-10-10T21:08:09+00:00

  Fix documentation for createInterfaces

• e1556702
  by David Waern at 2008-10-10T21:26:19+00:00

  Hide H.Utils in library

• a8e751c3
  by David Waern at 2008-10-10T21:34:59+00:00

  Add back .haddock file versioning based on GHC version
  
  It was accidentally removed in the patch for GHC 6.8.2 compatibility
  

• 06fb3c01
  by David Waern at 2008-10-10T21:47:15+00:00

  Bump version number to 2.3.0

• ff087fce
  by David Waern at 2008-10-10T22:35:49+00:00

  Add support for DocPic
  
  The support for DocPic was merged into the GHC source long ago,
  but the support in Haddock was forgotten. Thanks Peter Gavin for
  submitting this fix!
  

• 3af85bf6
  by David Waern at 2008-10-10T23:34:05+00:00

  Update tests

• 0966873c
  by Simon Marlow at 2008-10-10T14:43:04+00:00

  no need for handleErrMsg now, we don't throw any ErrMsgs

• f1870de3
  by Clemens Fruhwirth at 2008-10-10T13:29:36+00:00

  Compile with wrapper but remove it for dist-install

• 7b440dc2
  by David Waern at 2008-10-11T14:02:25+00:00

  Remove interface from LinksInfo
  
  It was there to know the documentation home module when creating
  a wiki link, but we already know this since we have the DocName.
  

• e5729e6a
  by David Waern at 2008-10-15T20:49:18+00:00

  Wibble

• b2a8e01a
  by David Waern at 2008-10-15T21:03:36+00:00

  Use type synonyms for declarations and docs in H.I.Create

• be71a15b
  by David Waern at 2008-10-15T21:12:17+00:00

  Comment out unused type family stuff completely

• 91aaf075
  by David Waern at 2008-10-15T21:49:04+00:00

  Wibble

• 42ba4eb4
  by David Waern at 2008-10-15T21:53:53+00:00

  Move convenient type synonym to H.Types

• db11b723
  by David Waern at 2008-10-15T22:14:07+00:00

  Add DeclInfo to H.Types

• 193552b6
  by David Waern at 2008-10-15T22:15:01+00:00

  Add subordinates with docs to the declaration map
  
  The only place in the code where we want the subordinates for a declaration is
  right after having looked up the declaration in the map.
  
  And since we include subordinates in the map, we might as well take the
  opportunity to store those subordinates that belong to a particular declaration
  together with that declaration.
  
  We also store the documentation for each subordinate.
  

• 31e6eebc
  by David Waern at 2008-10-16T17:18:47+00:00

  Wibble

• 0dcbd79f
  by David Waern at 2008-10-16T20:58:42+00:00

  Fix haskell/haddock#61
  
  We were not getting docs for re-exported class methods. This was because we
  were looking up the docs in a map made from the declarations in the current
  module being rendered. Obviously, re-exported class methods come from another
  module.
  
  Class methods and ATs were the only thing we were looking up using the doc map,
  everything else we found in the ExporItems. So now I've put subordinate docs
  in the ExportItem's directly, to make things a bit more consistent.
  
  To do this, I added subordinates to the the declarations in the declaration
  map. This was easy since we were computing subordinates anyway, to store
  stand-alone in the map. I added a new type synonym 'DeclInfo', which is what we
  call what is now stored in the map. 
  
  This little refactoring removes duplicate code to retrieve subordinates and
  documentation from the HsGroup.
  

• de47f20a
  by David Waern at 2008-10-16T22:06:35+00:00

  Document function and improve its layout

• e74e625a
  by Thomas Schilling at 2008-10-20T11:12:57+00:00

  Force interface more aggressively.
  
  For running Haddock on GHC this reduces memory usage by about 50 MB on
  a 32 bit system.  A heap profile shows total memory usage peak at
  about 100 MB, but actual usage is at around 300 MB even with
  compacting GC (+RTS -c).
  

• b63ac9a1
  by David Waern at 2008-10-20T20:25:50+00:00

  Make renamer consistent
  
  Instead of explicitly making some binders Undocumented, treat all names the
  same way (that is, try to find a Documented name).
  

• f6de0bb0
  by Ian Lynagh at 2008-09-19T00:54:43+00:00

  TAG GHC 6.10 fork

• 74599cd0
  by David Waern at 2008-10-20T21:13:24+00:00

  Do not save hidden modules in the .haddock file
  
  We were saving interfaces of all processed modules including those hidden using
  {-# OPTIONS_HADDOCK hide #-} in the .haddock file. This caused broken links
  when generating the index for the libraries that come with GHC.
  
  This patch excludes modules with hidden documentation when writing .haddock
  files. It should fix the above problem. 
  

• 7b6742e9
  by David Waern at 2008-10-21T19:54:52+00:00

  Do not save hidden modules in the .haddock file (also for ghc >= 6.9)
  
  When writing the first patch, I forgot to do the fix in both branches of an #if
  macro.
  

• b99b1951
  by David Waern at 2008-10-22T20:04:18+00:00

  Remove subordinate map and its usage
  
  It is not needed now that we store subordinate names in the DeclInfo map.
  

• da97cddc
  by David Waern at 2008-10-22T20:11:46+00:00

  Tidy up code in H.I.Create a little
  
  Remove commented out half-done type instance support, and remove DeclWithDoc
  synonym.
  

• 6afa76f3
  by David Waern at 2008-10-22T21:17:29+00:00

  Fix warnings in H.GHC.Utils

• 171ea1e8
  by David Waern at 2008-10-22T21:35:04+00:00

  Fix warnings in H.Utils

• c8cb3b91
  by David Waern at 2008-10-22T21:36:49+00:00

  Wibble

• 767fa06a
  by David Waern at 2008-10-27T19:59:04+00:00

  Make named doc comments into ExportDoc instead of ExportDecl
  
  Fixes a crash when processing modules without export lists containing named
  docs.
  

• e638bbc6
  by David Waern at 2008-11-02T22:21:10+00:00

  Add HCAR entry

• 92b4ffcf
  by David Waern at 2008-11-02T22:44:19+00:00

  Update CHANGES

• 84d4da6e
  by David Waern at 2008-11-03T11:25:04+00:00

  Add failing test for template haskell crash

• 2a9cd2b1
  by David Waern at 2008-11-04T21:13:44+00:00

  Add tests/TH.hs

• 8a59348e
  by David Waern at 2008-11-04T21:30:26+00:00

  TAG 2.3.0

• 54f70d31
  by Thomas Schilling at 2008-10-24T17:04:08+00:00

  Enable framed view of the HTML documentation.
  
  This patch introduces:
  
   - A page that displays the documentation in a framed view.  The left
     side will show a full module index.  Clicking a module name will
     show it in the right frame.  If Javascript is enabled, the left
     side is split again to show the modules at the top and a very short
     synopsis for the module currently displayed on the right.
  
   - Code to generate the mini-synopsis for each module and the mini
     module index ("index-frames.html").
  
   - CSS rules for the mini-synopsis.
  
   - A very small amount of javascript to update the mini-synopsis (but
     only if inside a frame.)
  
  Some perhaps controversial things:
  
   - Sharing code was very difficult, so there is a small amount of code
     duplication.
  
   - The amount of generated pages has been doubled, since every module
     now also gets a mini-synopsis.  The overhead should not be too
     much, but I haven't checked.  Alternatively, the mini-synopsis
     could also be generated using Javascript if we properly annotate
     the actual synopsis.
  

• 5d7ea5a6
  by David Waern at 2008-11-04T23:20:17+00:00

  Follow change to ExportDecl in frames code

• 60e16308
  by David Waern at 2008-11-04T23:35:26+00:00

  Update CHANGES

• d63fd26d
  by David Waern at 2008-11-04T23:37:43+00:00

  Bump version number

• c1660c39
  by David Waern at 2008-11-04T23:44:46+00:00

  Update CHANGES

• 995ab384
  by David Waern at 2008-11-04T23:55:21+00:00

  Remove .ref files from tests/output/

• 1abbbe75
  by David Waern at 2008-11-04T23:57:41+00:00

  Output version info before running tests

• 649b182f
  by David Waern at 2008-11-05T22:45:37+00:00

  Add ANNOUNCE message

• c36ae0bb
  by David Waern at 2008-11-05T23:15:35+00:00

  Update ANNOUNCE

• 9c4f3d40
  by David Waern at 2008-11-05T23:18:30+00:00

  Wibble

• 5aac87ce
  by David Waern at 2008-11-06T21:07:48+00:00

  Depend on base 4.* when using GHC >= 6.9, otherwise 3.*

• b9796a74
  by David Waern at 2008-11-06T21:13:40+00:00

  Bump version to 2.4.1 and update CHANGES

• d4b26baa
  by David Waern at 2008-11-06T21:26:33+00:00

  Depend on base 4.0.* instead of 4.*

• 2cb0903c
  by David Waern at 2008-11-06T21:46:53+00:00

  Fix warnings in H.B.HH and H.B.HH2

• e568e89a
  by David Waern at 2008-11-06T21:47:12+00:00

  Fix warnings in Haddock.ModuleTree

• 9dc14fbd
  by David Waern at 2008-11-06T21:47:52+00:00

  Fix warnings in Haddock.Version

• 02ac197c
  by David Waern at 2008-11-06T21:51:31+00:00

  Fix warnings in H.InterfaceFile and H.Options

• 63e7439a
  by David Waern at 2008-11-06T21:59:45+00:00

  Fix warnings in H.GHC.Typecheck

• 4bca5b68
  by David Waern at 2008-11-08T13:43:42+00:00

  Set HscTarget to HscNothing instead of HscAsm
  
  There used to be a bug in the GHC API that prevented us from setting this
  value.
  

• 07357aec
  by David Waern at 2008-11-09T22:27:00+00:00

  Re-export NameCache and friends from Distribution.Haddock

• ea554b5a
  by David Waern at 2008-11-09T23:14:10+00:00

  Add Haddock.GHC.Utils to other-modules in library

• 74aecfd7
  by David Waern at 2008-11-10T01:18:57+00:00

  Export DocName in the library

• 241a58b3
  by David Waern at 2008-11-10T01:19:18+00:00

  Document the functions in H.DocName

• edc2ef1b
  by David Waern at 2008-11-10T01:20:52+00:00

  Export H.DocName in the library

• 4f588d55
  by David Waern at 2008-11-10T01:29:14+00:00

  Make DocName an instance of NamedThing

• b4647244
  by David Waern at 2008-11-15T22:58:18+00:00

  Reflect version bump in test suite

• 4bee8ce2
  by David Waern at 2008-11-15T22:58:45+00:00

  Update tests
  
  For unknown reasons, test output for Bug1 and Test has changed for the better.
  

• 1690e2f9
  by David Waern at 2008-11-15T22:59:33+00:00

  Store hidden modules in .haddock files
  
  We store documentation for an entity in the 'InstalledInterface' of the
  definition site module, and never in the same structure for a module which
  re-exports the entity. So when a client of the Haddock library wants to look up
  some documentation, he/she might need to access a hidden module. But we
  currently don't store hidden modules in the .haddock files.
  
  So we add the hidden modules and the Haddock options to the .haddock files.
  The options will be used to filter the module list to obtain the visible
  modules only, which is necessary for generating the contents and index for
  installed packages.
  

• 8add6435
  by David Waern at 2008-11-16T14:35:50+00:00

  Bump major version number due to .haddock file format change

• 48bfcf82
  by David Waern at 2008-11-23T14:32:52+00:00

  Update tests to account for version number bump

• 0bbd1738
  by David Waern at 2008-11-23T14:33:31+00:00

  HADDOCK_DATA_DIR changed to haddock_datadir

• 5088b78c
  by David Waern at 2008-11-23T17:13:21+00:00

  FIX haskell/haddock#45: generate two anchors for each name
  
  We generate two anchor tags for each name, one where we don't escape the name
  and one where we URI-encode it. This is for compatibility between IE and Opera.
  Test output is updated.
  

• 5ee5ca3b
  by Neil Mitchell at 2008-11-27T14:38:11+00:00

  Drop HsDocTy annotations, they mess up pretty printing and also have a bracketing bug (#2584)

• 51c014e9
  by Roman Cheplyaka at 2008-11-27T22:27:36+00:00

  Allow referring to a specific section within a module in a module link
  Fixes haskell/haddock#65
  

• 4094bdc5
  by David Waern at 2008-11-28T21:13:33+00:00

  Update tests following anchor change

• f89552dd
  by Thomas Schilling at 2008-11-29T16:16:20+00:00

  Haddock really shouldn't try to overwrite files.

• 98127499
  by David Waern at 2008-12-07T14:09:15+00:00

  Solve conflict

• 319356c5
  by David Waern at 2008-10-22T21:16:55+00:00

  Add -Wall -Werror to ghc-options

• 3c4968c9
  by David Waern at 2008-11-04T23:38:56+00:00

  TAG 2.4.0

• 4b21e003
  by David Waern at 2008-11-06T21:14:04+00:00

  TAG 2.4.1

• 8e0cad5c
  by David Waern at 2008-12-07T14:12:54+00:00

  Remove -Werror

• 299d6deb
  by David Waern at 2008-12-07T14:25:18+00:00

  Remove -Wall, we'll focus on warnings after 6.10.2 is out

• 5f4216b6
  by David Waern at 2008-12-07T20:58:05+00:00

  Resolve conflict properly

• 67d774e7
  by Neil Mitchell at 2008-12-15T11:44:26+00:00

  Make forall's in constructors explicit, i.e. data Foo = Foo {foo :: Eq a => a}

• 61851792
  by Neil Mitchell at 2008-12-18T15:39:39+00:00

  Try and find a better package name than "main" for Hoogle, goes wrong when working on an executable rather than a library

• 2fab8554
  by David Waern at 2008-12-08T23:19:48+00:00

  Make visible names from ExportItems
  
  Instead of a complicated calculation of visible names out of GHC's export
  items, we can get them straight out of the already calculated ExportItems.  The
  ExportItems should represent exactly those items that are visible in an
  interface. 
  
  If store all the exported sub-names in ExportDecl instead of only those with
  documentation, the calculation becomes very simple. So we do this change as
  well (should perhaps have been a separate patch).
   
  This should fix the problem with names from ghc-prim not appearing in the link
  environment.
  

• 7caadd8c
  by Ian Lynagh at 2008-12-11T17:01:04+00:00

  Wrap the GHC usage with defaultCleanupHandler
  This fixes a bug where haddock leaves /tmp/ghc* directories uncleaned.
  

• 7c9fc9a5
  by David Waern at 2009-01-02T21:38:27+00:00

  Show re-exported names from external packages again
  
  This fixes GHC ticket 2746.
  
  In order to also link to the exported subordinate names of a declaration, we
  need to re-introduce the sub map in the .haddock files.
  

• 119e4e05
  by David Waern at 2009-01-06T23:34:17+00:00

  Do not process boot modules
  
  We should of course not try to produce documentation for boot modules! The
  reason this has worked in the past is that the output of "real" modules
  overwrites the output of boot modules later in the process. However, this
  causes a subtle link environment problem. So let's get rid of this stupid
  behaviour.
    
  We avoid processing boot modules, but we continue to typecheck them.
  

• c285b9d2
  by David Waern at 2009-01-08T18:03:36+00:00

  Export modules also when coming from external packages
  
  This seems to have regressed since a refactoring that was
  part of the 2.3.0 release.
  

• 24031c17
  by David Waern at 2009-01-10T15:26:26+00:00

  Change version to 2.4.2 - no need to go to 2.5.0

• 864d1c3f
  by David Waern at 2009-01-10T15:35:20+00:00

  Update tests to account for version number change

• 524ba886
  by David Waern at 2009-01-10T18:29:17+00:00

  Add test for Template Haskell splicing

• 05e6e003
  by David Waern at 2009-01-10T19:35:42+00:00

  Fix Trac haskell/haddock#68: Turn on compilation via C for Template Haskell packages
  
  We can't use HscNothing if we need to run code coming from modules inside
  the processed package during typechecking, which is the case for some packages
  using Template Haskell. This could be improved, to e.g. use HscInterpreted and
  HscNothing where possible, instead of using HscC for all modules in the
  package.
  

• 2b2bafa1
  by David Waern at 2009-01-10T20:22:25+00:00

  Only use needsTemplateHaskell when compiling with GHC 6.10.2 or above

• bedc3a93
  by Ian Lynagh at 2009-01-11T14:58:41+00:00

  Fix the location of INPLACE_PKG_CONF; fixes the build
  Spotted by Conal Elliott
  

• 943107c8
  by David Waern at 2009-01-20T19:27:39+00:00

  Document H.I.Create.collectDocs better

• c6252e37
  by David Waern at 2009-01-20T19:29:51+00:00

  Fix Trac haskell/haddock#59: TH-generated declarations disappearing
  
  This patch was contributed by Joachim Breitner (nomeata).
  

• 3568a6af
  by David Waern at 2009-01-21T21:41:48+00:00

  Do not indicate that a constructor argument is unboxed
  
  We only show the strictness annotation for an unboxed constructor argument. The
  fact that it is unboxed is an implementation detail and should not be part of
  the module interface.
  

• 562a4523
  by David Waern at 2009-01-22T18:53:49+00:00

  Fix Trac haskell/haddock#50: do not attach docs to pragmas or other kinds of non-declarations
  
  We now filter out everything that is not a proper Haskell declaration before
  collecting the docs and attaching them to declarations.
  

• 6fdf21c2
  by David Waern at 2009-01-22T19:48:09+00:00

  Add test for quasi quotation. No reference output yet.

• dc4100fd
  by David Waern at 2009-01-22T19:57:47+00:00

  Improve quasi-quotation test and add reference output

• 908b74bb
  by David Waern at 2009-01-23T23:22:03+00:00

  Filter out separately exported associated types in a smarter way

• f6b42ecb
  by David Waern at 2009-01-24T16:54:39+00:00

  Correct spelling mistake in error message

• 24e4245d
  by David Waern at 2009-01-24T17:48:03+00:00

  Correct comment

• b5e8462f
  by David Waern at 2009-02-07T13:22:29+00:00

  Do not show a subordinate at the top level if its parent is also exported
  
  See note in the source code for more info.
  

• 4b09de57
  by David Waern at 2009-02-07T13:53:53+00:00

  Update test following change to top level subordinates

• 76379896
  by David Waern at 2009-02-07T13:58:04+00:00

  Remove html files in the tests/output/ directory which have been accidentally added

• 1a6d8b10
  by Joachim Breitner at 2009-02-20T10:29:43+00:00

  Typo in comment

• fec367d0
  by David Waern at 2009-02-24T20:21:17+00:00

  Fix small bug
  
  The rule is to prefer type constructors to other things when an identifier in a
  doc string can refer to multiple things. This stopped working with newer GHC
  versions (due to a tiny change in the GHC renamer). We implement this rule
  in the HTML backend for now, instead of fixing it in GHC, since we will move
  renaming of doc strings to Haddock in the future anyway. 
  

• 9b4172eb
  by David Waern at 2009-02-25T20:04:38+00:00

  Fix bad error handling with newer GHCs
  
  When support for GHC 6.10 was added, an error handler was installed only around
  the typechecking phase. This had the effect that errors thrown during
  dependency chasing were caught in the top-level exception handler and not
  printed with enough detail.  With this patch we wrap the error handler around
  all our usage of the Ghc monad. 
  

• de2df363
  by Simon Peyton Jones at 2009-02-02T16:47:42+00:00

  Hide funTyConName, now exported by TypeRep

• 4d40a29f
  by Ian Lynagh at 2009-02-12T18:57:49+00:00

  Don't build the library when building in the GHC tree

• 1cd0abe4
  by Ian Lynagh at 2009-02-13T13:58:53+00:00

  Add a ghc.mk

• 3d814eeb
  by Ian Lynagh at 2009-02-13T18:50:28+00:00

  do .depend generation for haddock with the stage1 compiler
  This is a bit of a hack. We mkdepend with stage1 as if .depend
  depends on the stage2 compiler then make goes wrong: haddock's
  .depend gets included, which means that make won't reload until
  it's built, but we can't build it without the stage2 compiler. We
  therefore build the stage2 compiler before its .depend file is
  available, and so compilation fails.
  

• b55036a4
  by Ian Lynagh at 2009-02-25T01:38:13+00:00

  Give haddock a wrapper on unix in the new GHC build system

• 9eabfe68
  by Ian Lynagh at 2009-02-25T19:21:32+00:00

  Create inplace/lib/html in the new GHC build system

• 93af30c7
  by Ian Lynagh at 2008-11-07T19:18:23+00:00

  TAG GHC 6.10.1 release

• 06e6e34a
  by Thomas Schilling at 2009-02-24T18:11:00+00:00

  Define __GHC_PATCHLEVEL__ for recent version of GHC (stable).

• 680e6ed8
  by Thomas Schilling at 2009-02-24T18:12:26+00:00

  'needsTemplateHaskell' is not defined in current stable GHC.

• 6c5619df
  by David Waern at 2009-02-25T22:15:23+00:00

  Hide fynTyConName only for recent GHC versions

• 6b2344f1
  by Ian Lynagh at 2009-02-26T00:49:56+00:00

  Add the module to one of haddocks warnings

• e5d11c70
  by David Waern at 2009-02-27T21:37:20+00:00

  Bug fix
  We tried to filter out subordinates that were already exported through their parent.
  
  This didn't work properly since we were in some cases looking at the
  grand-parent and not the parent.  We now properly compute all the parent-child
  relations of a declaration, and use this information to get the parent of a
  subordinate.
  
  We also didn't consider record fields with multiple parents. This is now
  handled correctly.
  
  We don't currently support separately exported associated types. But when we
  do, they should be handled correctly by this process too.
  
  Also slightly improved the warning message that we give when filtering out
  subordinates.
  

• 10a79a60
  by David Waern at 2009-02-27T22:08:08+00:00

  Fix error message conflict
  
  The module name is already written in the beginning of the message, as
  seems to be the convention in Haddock. Perhaps not so clear, but we
  should change it everywhere in that case. Leaving it as it is for now.
  

• c5055c7f
  by David Waern at 2009-02-27T22:15:17+00:00

  Shorten warning message

• a72fed3a
  by David Waern at 2009-02-28T00:53:55+00:00

  Do not show package name in warning message

• a5daccb2
  by Ian Lynagh at 2009-03-01T14:59:35+00:00

  Install haddock in the new GHC build system

• dfdb025c
  by Ian Lynagh at 2009-03-07T23:56:29+00:00

  Relax base dependency to < 4.2, not < 4.1

• 5769c8b4
  by David Waern at 2009-03-21T14:58:52+00:00

  Bump .haddock file version number (due to change of format)

• f1b8f67b
  by David Waern at 2009-03-21T14:59:26+00:00

  Define __GHC_PATCHLEVEL__=1 when using ghc-6.10.1

• 23f78831
  by David Waern at 2009-03-21T16:40:52+00:00

  Update CHANGES

• 7d2735e9
  by David Waern at 2009-03-21T16:50:33+00:00

  Update ANNOUNCE

• 0771e00a
  by David Waern at 2009-03-21T16:54:40+00:00

  Update ANNOUNCE, again

• 81a6942a
  by David Waern at 2009-03-21T17:50:06+00:00

  Don't be too verbose in CHANGES

• 29861dcf
  by David Waern at 2009-03-21T18:03:31+00:00

  TAG 2.4.2

• a585f285
  by David Waern at 2009-03-21T19:20:29+00:00

  Require Cabal >= 1.2.3

• 7c611662
  by David Waern at 2009-03-21T19:21:48+00:00

  TAG 2.4.2 with cabal-version >= 1.2.3

• 23b7deff
  by Simon Marlow at 2009-03-20T15:43:42+00:00

  new GHC build system: use shell-wrappers macro

• 25f8afe7
  by Ian Lynagh at 2009-03-21T19:13:53+00:00

  Fix (with a hack?) haddock in teh new build system

• 6a29a37e
  by David Waern at 2009-03-24T22:10:15+00:00

  Remove unnecessary LANGUAGE pragma

• 954da57d
  by David Waern at 2009-03-24T22:21:23+00:00

  Fix warnings in H.B.DevHelp

• 1619f1df
  by David Waern at 2009-03-26T23:20:44+00:00

  -Wall police in H.B.Html

• b211e13b
  by Simon Marlow at 2009-03-24T13:00:56+00:00

  install Haddock's html stuff

• 78e0b107
  by David Waern at 2008-12-07T19:58:53+00:00

  Add verbosity flag and utils, remove "verbose" flag

• 913dae06
  by David Waern at 2008-12-07T20:01:05+00:00

  Add some basic "verbose" mode logging in H.Interface

• 1cbff3bf
  by David Waern at 2009-03-27T00:07:26+00:00

  Fix conflicts

• 22f82032
  by David Waern at 2009-03-27T21:15:11+00:00

  Remove H.GHC.Typecheck

• 81557804
  by David Waern at 2009-03-27T21:19:22+00:00

  Remove docNameOrig and use getName everywhere instead

• d8267213
  by David Waern at 2009-03-27T21:21:46+00:00

  Use docNameOcc instead of nameOccName . getName

• 5d55deab
  by David Waern at 2009-03-27T21:33:04+00:00

  Remove H.DocName and put DocName in H.Types

• 8ba72611
  by David Waern at 2009-03-27T22:06:26+00:00

  Document DocName

• 605f8ca5
  by David Waern at 2009-03-27T22:45:21+00:00

  -Wall police

• e4da93ae
  by David Waern at 2009-03-27T23:12:53+00:00

  -Wall police in H.B.Hoogle

• bb255519
  by David Waern at 2009-03-27T23:41:28+00:00

  Define Foldable and Traversable instances for Located

• f1195cfe
  by David Waern at 2009-03-27T23:51:34+00:00

  Wibble

• 23818d7c
  by David Waern at 2009-03-28T00:03:55+00:00

  -Wall police in H.I.Rename

• 0f050d67
  by David Waern at 2009-03-28T00:15:15+00:00

  -Wall police in H.I.AttachInstances

• 0f3fe038
  by David Waern at 2009-03-28T21:09:41+00:00

  Wibble

• 275d4865
  by David Waern at 2009-03-28T21:27:06+00:00

  Layout fix

• 54ff0ef8
  by David Waern at 2009-03-28T21:59:07+00:00

  -Wall police in H.I.Create

• 7f58b117
  by David Waern at 2009-03-28T22:10:19+00:00

  -Wall police in H.Interface

• f0c03b44
  by David Waern at 2009-03-28T22:22:59+00:00

  -Wall police in Main

• 29da355c
  by David Waern at 2009-03-28T22:23:39+00:00

  Turn on -Wall -Werror

• 446d3060
  by David Waern at 2009-04-01T20:40:30+00:00

  hlint police

• 3867c9fc
  by David Waern at 2009-04-01T20:48:42+00:00

  hlint police

• bd1f1600
  by David Waern at 2009-04-01T20:58:02+00:00

  hlint police

• e0e90866
  by David Waern at 2009-04-05T12:42:53+00:00

  Move H.GHC.Utils to H.GhcUtils

• 9cbd426b
  by David Waern at 2009-04-05T12:57:21+00:00

  Remove Haddock.GHC and move its (small) contents to Main

• b5c2cbfd
  by David Waern at 2009-04-05T13:07:04+00:00

  Fix whitespace and stylistic issues in Main

• 3c04aa56
  by porges at 2008-12-07T08:22:19+00:00

  add unicode output

• 607918da
  by David Waern at 2009-04-26T15:09:43+00:00

  Resolve conflict

• 4bec6b6b
  by Simon Marlow at 2009-05-13T10:00:31+00:00

  fix markup

• 436ad6f4
  by Simon Marlow at 2009-03-23T11:54:45+00:00

  clean up

• bdcd1398
  by Simon Marlow at 2009-03-24T10:36:45+00:00

  new GHC build system: add $(exeext)

• 9c0972f3
  by Simon Marlow at 2009-03-24T11:04:31+00:00

  update for new GHC build system layout

• d0f3f83a
  by Ian Lynagh at 2009-03-29T15:31:43+00:00

  GHC new build system fixes

• 5a8245c2
  by Ian Lynagh at 2009-04-04T20:44:23+00:00

  Tweak new build system

• 9c6f2d7b
  by Simon Marlow at 2009-05-13T10:01:27+00:00

  add build instructions for GHC

• 66d07c76
  by Ian Lynagh at 2009-05-31T00:37:53+00:00

  Quote program paths in ghc.mk

• bb7de2cd
  by Ian Lynagh at 2009-06-03T22:57:55+00:00

  Use a bang pattern on an unlifted binding

• 3ad283fc
  by Ian Lynagh at 2009-06-13T16:17:50+00:00

  Include haddock in GHC bindists

• ac447ff4
  by David Waern at 2009-06-24T21:07:50+00:00

  Delete Haddock.Exception and move contents to Haddock.Types
  
  Only a few lines of code that mainly declares a type - why not just put it in Haddock.Types.
  

• 4464fb9b
  by David Waern at 2009-06-24T22:23:23+00:00

  Add Haddock module headers
  
  Add a proper Haddock module header to each module, with a more finegrained
  copyright. If you feel mis-accreditted, please correct any copyright notice!
  
  The maintainer field is set to haddock@projects.haskell.org.
  
  Next step is to add a brief description to each module.
  

• 5f4c95dd
  by David Waern at 2009-06-24T22:39:44+00:00

  Fix spelling error

• 6d074cdb
  by David Waern at 2009-06-25T21:53:56+00:00

  Document Interface and InstalledInterface better

• d0cbd183
  by David Waern at 2009-06-27T12:46:46+00:00

  Remove misplaced whitespace in H.I.Rename

• fa381c49
  by David Waern at 2009-06-27T13:26:03+00:00

  Fix haskell/haddock#104 - create output directory if missing

• 91fb77ae
  by Ian Lynagh at 2009-06-25T15:59:50+00:00

  TAG 2009-06-25

• 0d853f40
  by Simon Peyton Jones at 2009-07-02T15:35:22+00:00

  Follow extra field in ConDecl

• b201735d
  by Ian Lynagh at 2009-07-05T16:50:35+00:00

  Update Makefile for the new GHC build system

• df6c0092
  by Ian Lynagh at 2009-07-05T17:01:13+00:00

  Resolve conflicts

• 1066870a
  by Ian Lynagh at 2009-07-05T17:01:48+00:00

  Remove the -Wwarn hack in the GHC build system

• 7e856076
  by Ian Lynagh at 2009-07-05T17:17:59+00:00

  Fix warnings

• 5d4cd958
  by Ian Lynagh at 2009-07-05T19:35:40+00:00

  Bump version number
  Cabal needs to distinguish between haddocks having a --verbose and
  --verbosity flag
  

• 6ee07c99
  by David Waern at 2009-07-06T20:14:57+00:00

  Wibble

• 2308b66f
  by David Waern at 2009-07-06T20:24:20+00:00

  Clearer printing of versions by runtests.hs

• d4b5d9ab
  by David Waern at 2009-07-06T21:22:42+00:00

  Fix (invisible) bug introduced by unicode patch

• 2caca8d8
  by David Waern at 2009-07-06T21:44:10+00:00

  Use HscAsm instead of HscC when using TH

• 18f3b755
  by David Waern at 2009-07-06T22:10:22+00:00

  Update HCAR entry (by Janis)

• a72ac9db
  by David Waern at 2009-07-06T23:01:35+00:00

  Follow HsRecTy change with an #if __GLASGOW_HASKEL__ >= 611

• 549135d2
  by David Waern at 2009-07-06T23:11:41+00:00

  Remove unused functions from Haddock.Utils

• b450134a
  by Isaac Dupree at 2009-07-11T14:59:00+00:00

  revert to split-index for large indices
  - remove the search-box, because browsers have search-for-text
  abilities anyway.
  - pick 150 items in index as the arbitrary time at which to split it
  - notice the bug that identifiers starting with non-ASCII characters
  won't be listed in split-index, but don't bother to fix it yet (see
  ticket haskell/haddock#116, http://trac.haskell.org/haddock/ticket/116 )
  

• 78a5661e
  by Isaac Dupree at 2009-07-20T15:37:18+00:00

  Implement GADT records in HTML backend

• 4e163555
  by Isaac Dupree at 2009-07-21T22:03:25+00:00

  add test for GADT records

• 79aa4d6e
  by David Waern at 2009-07-23T20:40:37+00:00

  Update test suite following version bump

• 5932c011
  by David Waern at 2009-08-02T10:25:39+00:00

  Fix documentation bug

• a6970fca
  by David Waern at 2009-08-12T23:08:53+00:00

  Remove support for ghc 6.8.* from .cabal file

• c1695902
  by Ian Lynagh at 2009-07-07T13:35:45+00:00

  Fix unused import warnings

• fb6df7f9
  by Ian Lynagh at 2009-07-16T00:20:31+00:00

  Use cProjectVersion directly rather than going through compilerInfo
  Fixes the build after changes in GHC
  

• 548cdd66
  by Simon Marlow at 2009-07-28T14:27:04+00:00

  follow changes in GHC's ForeignType

• 9395aaa0
  by David Waern at 2009-08-13T22:17:33+00:00

  Switch from PatternSignatures to ScopedTypeVariables in Main

• eebf39bd
  by David Waern at 2009-08-14T17:14:28+00:00

  Version .haddock files made with GHC 6.10.3/4 correclty

• 58f3e735
  by David Waern at 2009-08-14T17:19:37+00:00

  Support GHC 6.10.* and 6.11.* only

• 5f63cecc
  by David Waern at 2009-08-14T22:03:20+00:00

  Do not version .haddock file based on GHC patchlevel version
  
  We require that the instances of Binary that we use from GHC will not change
  between patchlevel versions.
  

• d519de9f
  by David Waern at 2009-08-14T23:50:00+00:00

  Update CHANGES

• 35dccf5c
  by David Waern at 2009-08-14T23:51:38+00:00

  Update version number everywhere

• 6d363fea
  by David Waern at 2009-08-15T09:46:49+00:00

  Update ANNOUNCE

• c7ee6bc2
  by David Waern at 2009-08-15T09:47:13+00:00

  Remove -Werror
  
  Forgot that Hackage doesn't like it.
  

• a125c12b
  by David Waern at 2009-08-15T09:49:50+00:00

  Require Cabal >= 1.6

• adb2f560
  by Isaac Dupree at 2009-08-12T03:47:14+00:00

  Cross-Package Documentation version 4

• 3d6dc04d
  by David Waern at 2009-08-15T23:42:57+00:00

  Put all the IN_GHC_TREE stuff inside getGhcLibDir

• 56624097
  by David Waern at 2009-08-15T23:52:03+00:00

  Add --print-ghc-libdir

• f15d3ccb
  by David Waern at 2009-08-16T00:37:52+00:00

  Read base.haddock when running tests
  
  We can now test cross-package docs.
  

• 283f0fb9
  by David Waern at 2009-08-16T00:50:59+00:00

  Update test output - we now have more links

• 673d1004
  by David Waern at 2009-08-16T01:26:08+00:00

  Read process.haddock when running tests

• 0d127f82
  by David Waern at 2009-08-16T01:43:04+00:00

  Add a test for cross-package documentation

• f94db967
  by Ian Lynagh at 2009-08-16T18:42:44+00:00

  Follow GHC build system changes

• 5151278a
  by Isaac Dupree at 2009-08-16T19:58:05+00:00

  make cross-package list types look nicer

• c41e8228
  by Isaac Dupree at 2009-08-18T01:47:47+00:00

  Haddock.Convert: export more functions
  This lets us remove some code in Haddock.Interface.AttachInstances
  

• 2e5fa398
  by Isaac Dupree at 2009-08-18T02:11:05+00:00

  switch AttachInstances to use synify code
  It changed an instance from showing ((,) a b) to (a, b)
  because my synify code is more sophisticated; I hope the latter
  is a good thing rather than a bad thing aesthetically, here.
  
  But this definitely reduces code duplication!
  

• b8b07123
  by Isaac Dupree at 2009-08-18T02:23:31+00:00

  Find instances using GHC, which is more complete.
  In particular, it works cross-package.
  
  An intermediate patch also moved the instance-finding into
  createInterface, but that move turned out not to be necessary,
  so if we want to do that, it'd go in a separate patch.
  (Is that possible? Or will we need GHC to have loaded all the modules
  first, before we can go searching for the instances (e.g. if the
  modules are recursive or something)?)
  

• 6959b451
  by Isaac Dupree at 2009-08-17T00:37:18+00:00

  fix preprocessor conditional sense

• 942823af
  by Isaac Dupree at 2009-08-16T22:46:48+00:00

  remove ghc 6.8 conditionals from Haddock.Interface

• 4b3ad888
  by Isaac Dupree at 2009-08-18T20:24:38+00:00

  Fix GHC 6.11 build in Haddock.Convert

• 0a89c5ab
  by Isaac Dupree at 2009-08-23T00:08:58+00:00

  hacks to make it compile without fnArgDocsn

• 7b3bed43
  by Isaac Dupree at 2009-08-23T03:01:28+00:00

  less big-Map-based proper extraction of constructor subdocs

• b21c279a
  by Isaac Dupree at 2009-08-23T03:02:06+00:00

  Html: remove unnecessary+troublesome GHC. qualifications

• 96c97115
  by Isaac Dupree at 2009-08-23T03:08:03+00:00

  Move doc parsing/lexing into Haddock for ghc>=6.11

• e1cec02d
  by Isaac Dupree at 2009-08-23T05:08:14+00:00

  get rid of unused DocMap parameter in Html

• 66960c59
  by Isaac Dupree at 2009-08-23T05:54:20+00:00

  fix horrible named-docs-disappearing bug :-)

• a9d7eff3
  by Isaac Dupree at 2009-08-23T06:26:36+00:00

  re-implement function-argument docs
  ..on top of the lexParseRn work.
  This patch doesn't change the InstalledInterface format, and thus,
  it does not work cross-package, but that will be easy to add
  subsequently.
  

• 8bf6852c
  by Isaac Dupree at 2009-08-23T07:26:05+00:00

  cross-package fnArgDocs. WARNING: changes .haddock binary format
  While breaking the format, I took the opportunity to unrename the
  DocMap that's saved to disk, because there's really no reason that
  we want to know what *another* package's favorite place to link a
  Name to was.  (Is that true? Or might we want to know, someday?)
  
  Also, I added instance Binary Map in InterfaceFile.
  It makes the code a little simpler without changing anything of
  substance.  Also it lets us add another Map hidden inside another
  Map (fnArgsDocs in instDocMap) without having really-convoluted
  serialization code.  Instances are neat!
  I don't understand why this change to InterfaceFile seemed to
  subtly break binary compatibility all by itself, but no matter,
  I'll just roll it into the greater format-changing patch. Done!
  

• 30115a64
  by Isaac Dupree at 2009-08-23T18:22:47+00:00

  Improve behavior for unfindable .haddock

• aa364bda
  by Isaac Dupree at 2009-08-23T18:28:16+00:00

  add comment for FnArgsDoc type

• 49b23a99
  by Isaac Dupree at 2009-08-23T21:52:48+00:00

  bugfix: restore fnArgDocs for type-synonyms

• f65f9467
  by Isaac Dupree at 2009-08-23T22:06:55+00:00

  Backends.Hoogle: eliminate warnings

• a292d216
  by Isaac Dupree at 2009-08-23T22:10:24+00:00

  Haddock.Convert: eliminate warnings

• 5546cd20
  by Isaac Dupree at 2009-08-23T22:12:31+00:00

  Haddock.Interface.Rename: eliminate warnings

• 0a9798b6
  by Isaac Dupree at 2009-08-23T22:18:47+00:00

  Main.hs: remove ghc<6.9 conditionals

• e8f9867f
  by Isaac Dupree at 2009-08-23T22:27:46+00:00

  Main.hs: eliminate warnings (except for OldException)

• 61c64247
  by Isaac Dupree at 2009-08-23T22:41:01+00:00

  move get*LibDir code in Main.hs, to +consistent code, -duplication

• 948f1e69
  by Isaac Dupree at 2009-08-23T23:14:26+00:00

  Main.hs: OldException->Exception: which eliminates warnings

• 3d5d5e03
  by Isaac Dupree at 2009-08-23T23:20:11+00:00

  GhcUtils: ghc >= 6.10

• 2771d657
  by Isaac Dupree at 2009-08-23T23:21:55+00:00

  InterfaceFile: ghc >= 6.10

• d9f2b9d1
  by Isaac Dupree at 2009-08-23T23:22:58+00:00

  Types: ghc >= 6.10

• ca39210e
  by Isaac Dupree at 2009-08-23T23:23:26+00:00

  ModuleTree: ghc >= 6.10

• 883c4e59
  by Isaac Dupree at 2009-08-23T23:24:04+00:00

  Backends.DevHelp: ghc >= 6.10

• 04667df5
  by Isaac Dupree at 2009-08-23T23:24:37+00:00

  Backends.Html: ghc >= 6.10

• a9f7f25f
  by Isaac Dupree at 2009-08-23T23:25:24+00:00

  Utils: ghc >= 6.10

• b7105022
  by Isaac Dupree at 2009-08-23T23:37:47+00:00

  eliminate haskell98 dependency, following GHC's example
  It turns out I/we already had, and it was only a matter of
  deleting it from the cabal file.
  

• 292e0911
  by Isaac Dupree at 2009-08-24T01:22:44+00:00

  refactor out subordinatesWithNoDocs
  dep of inferenced-decls fix
  

• c2ed46a2
  by Isaac Dupree at 2009-08-24T01:24:03+00:00

  Eradicate wrong runtime warning for type-inferenced exported-functions
  see the long comment in the patch for why I did it this way :-)
  

• 4ac0b57c
  by David Waern at 2009-09-04T22:56:20+00:00

  Clean up tyThingToHsSynSig a little
  
  Factor out noLoc and use the case construct. Also rename the function to
  tyThingToLHsDecl, since it doesn't just create type signatures.
  

• 28ab9201
  by David Waern at 2009-09-04T22:58:50+00:00

  Wibble

• 0d9fe6d0
  by David Waern at 2009-09-06T18:39:30+00:00

  Add more copyright owners to H.I.AttachInstances

• 122441b1
  by David Waern at 2009-09-06T18:44:12+00:00

  Style police

• 1fa79463
  by David Waern at 2009-09-06T18:57:45+00:00

  Move toHsInstHead to Haddock.Convert and call it synifyInstHead

• 0d42a8aa
  by David Waern at 2009-09-06T21:11:38+00:00

  Use colordiff to display test results if available

• ea9d8e03
  by Simon Marlow at 2009-08-24T08:46:14+00:00

  Follow changes in GHC's interface file format
  Word32 instead of Int for FastString and Name offsets
  

• 537e051e
  by Simon Marlow at 2009-07-29T14:16:53+00:00

  define unpackPackageId (it was removed from GHC)

• 50c63aa7
  by David Waern at 2009-09-09T23:18:03+00:00

  Remove commented-out code

• 511631fe
  by David Waern at 2009-09-09T23:19:05+00:00

  Correct copyright in H.I.ParseModuleHeader

• 898ec768
  by David Waern at 2009-09-11T11:22:29+00:00

  Use Map.fromList/toList intead of fromAscList/toAscList when serializing Maps
    
  This fixes the missing docs problem. The Eq and Ord instances for Name uses the
  unique number in Name. This number is created at deserialization time by GHC's
  magic Binary instance for Name, and it is random. Thus, fromAscList can't be used
  at deserialization time, even though toAscList was used at serialization time.
  

• 37bec0d5
  by Simon Peyton Jones at 2009-09-11T08:28:04+00:00

  Track change in HsType

• eb3a97c3
  by Ian Lynagh at 2009-09-11T16:07:09+00:00

  Allow building with base 4.2

• bb4205ed
  by Ian Lynagh at 2009-09-22T13:50:02+00:00

  Loosen the GHC dependency

• 5c75deb2
  by Ian Lynagh at 2009-09-22T14:08:39+00:00

  Fix building with GHC >= 6.12

• fb131481
  by David Waern at 2009-09-11T11:24:48+00:00

  Update runtests.hs to work with GHC 6.11

• ac3a419d
  by David Waern at 2009-09-11T11:25:14+00:00

  Update CrossPackageDocs test

• ec65c3c6
  by David Waern at 2009-09-11T11:25:40+00:00

  Add reference output for CrossPackageDocs

• 520c2758
  by Ian Lynagh at 2009-10-25T17:26:40+00:00

  Fix installation in the GHC build system

• 28b3d7df
  by Ian Lynagh at 2009-11-05T15:57:27+00:00

  GHC build system: Make *nix installation work in paths containing spaces

• 5c9bb541
  by David Waern at 2009-11-14T11:56:39+00:00

  Track change in HsType for the right compiler version

• 905097ce
  by David Waern at 2009-11-14T12:10:47+00:00

  hlint police

• 04920630
  by Ian Lynagh at 2009-11-20T13:46:30+00:00

  Use defaultObjectTarget rather than HscAsm
  This fixes haddock when we don't have a native code generator
  

• 966eb079
  by David Waern at 2009-11-15T12:32:21+00:00

  Remove commented-out code

• 37f00fc4
  by David Waern at 2009-11-22T13:58:48+00:00

  Make runtests.hs strip links before diffing
  
  Generates easier to read diffs when tests fail. The content of the links
  is not important anyway since it is not taken into account by the tests.
  

• 3a9bb8ef
  by David Waern at 2009-11-22T14:05:06+00:00

  Follow findProgramOnPath signature change in runtests.hs

• b26b9e5a
  by David Waern at 2009-11-22T14:08:40+00:00

  Follow removal of GHC.MVar from base in CrossPackageDocs 

• f4d90ae4
  by David Waern at 2009-11-22T14:48:47+00:00

  Make copy.hs strip link contents before copying
  
  No more updating of reference files when URLs in links changes.
  

• 4c9c420d
  by David Waern at 2009-11-22T15:26:41+00:00

  Update test reference output
  
  * More links (Int, Float etc)
  * Stripped link contents 
  

• a62b80e3
  by David Waern at 2009-11-23T23:19:39+00:00

  Update CrossPackageDocs reference output
  
  - Remove GHC.MVar import (removed from base)
  - Strip link contents
  

• 43491394
  by David Waern at 2009-11-23T23:20:00+00:00

  Update test reference files with comments on instances

• 0d370a0b
  by David Waern at 2009-11-23T23:25:16+00:00

  Bump version number

• 2293113e
  by David Waern at 2009-11-24T20:55:49+00:00

  Comments on instances
  
  Implementing this was a little trickier than I thought, since we need to match
  up instances from the renamed syntax with instances represented by
  InstEnv.Instance. This is due to the current design of Haddock, which matches
  comments with declarations from the renamed syntax, while getting the list of
  instances of a class/family directly using the GHC API.
  
  - Works for class instances only (Haddock has no support for type family
    instances yet)
  - The comments are rendered to the right of the instance head in the HTML output
  - No change to the .haddock file format
  - Works for normal user-written instances only. No comments are added on
    derived or TH-generated instances
  

• bf586f29
  by David Waern at 2009-11-27T22:05:15+00:00

  Whitespace police

• b8f03afa
  by David Waern at 2009-11-27T22:11:46+00:00

  Remove bad whitespace and commented-out pieces

• 90b8ee90
  by David Waern at 2009-11-27T22:15:04+00:00

  Whitespace police

• b5ede900
  by David Waern at 2009-11-27T22:15:50+00:00

  Whitespace police

• e3fddbfe
  by David Waern at 2009-11-28T13:37:59+00:00

  Remove Name from DocInstance
  
  It's not used.
  

• 9502786c
  by David Waern at 2009-11-28T13:56:54+00:00

  Require at least GHC 6.12
  
  While regression testing Haddock, I found a bug that happens with GHC 6.10.3,
  but not with GHC 6.12-rc2 (haven't tried 6.10.4). I don't have time to track it
  down.
  
  I think we should just always require the latest major GHC version. The time
  spent on making Haddock work with older versions is too high compared to the
  time spent on bugfixing, refactoring and features.
  

• 8fa688d8
  by David Waern at 2009-11-28T15:05:03+00:00

  Remove cruft due to compatibility with older GHCs

• 46fbbe9d
  by David Waern at 2009-11-28T15:07:50+00:00

  Add a documentation header to Haddock.Convert

• c3d2cc4a
  by David Waern at 2009-11-28T15:10:14+00:00

  Remove unused H.Utils.FastMutInt2

• 490aba80
  by David Waern at 2009-11-28T15:36:36+00:00

  Rename Distribution.Haddock into Documentation.Haddock

• 33ee2397
  by David Waern at 2009-11-28T15:36:47+00:00

  Fix error message

• a5a3b950
  by David Waern at 2009-11-28T16:58:39+00:00

  Add a test flag that brings in QuickCheck

• fa049e13
  by David Waern at 2009-11-28T19:32:18+00:00

  Say that we want quickcheck 2

• f32b0d9b
  by David Waern at 2009-11-28T19:32:40+00:00

  Add an Arbitrary instance for HsDoc

• da9a8bd7
  by David Waern at 2009-11-28T20:15:30+00:00

  Rename HsDoc back into Doc

• edb60101
  by David Waern at 2009-11-28T22:16:16+00:00

  Move H.Interface.Parse/Lex to H.Parse/Lex
  
  These are not just used to build Interfaces.
  

• 0656a9b8
  by David Waern at 2009-11-28T23:12:14+00:00

  Update version number in test suite

• 5e8c6f4a
  by David Waern at 2009-12-21T14:12:41+00:00

  Improve doc of DocName

• 7868e551
  by Ian Lynagh at 2009-09-22T10:43:03+00:00

  TAG GHC 6.12-branch created

• 0452a3ea
  by Ian Lynagh at 2009-12-15T12:46:07+00:00

  TAG GHC 6.12.1 release

• 65e9be62
  by David Waern at 2009-12-21T16:58:58+00:00

  Update CHANGES

• 145cee32
  by David Waern at 2009-12-21T16:59:09+00:00

  TAG 2.6.0

• 3c552008
  by David Waern at 2009-12-22T17:11:14+00:00

  Update ANNOUNCE

• 931f9db4
  by David Waern at 2010-01-22T19:57:17+00:00

  Convert haddock.vim to use unix newlines

• 4e56588f
  by David Waern at 2010-01-22T22:11:17+00:00

  Remove unnecessary (and inexplicable) uses of nub

• 744bb4d1
  by David Waern at 2010-01-22T22:12:14+00:00

  Follow move of parser and lexer

• e34bab14
  by David Waern at 2010-01-22T22:49:13+00:00

  Use findProgramLocation instead of findProgramOnPath in runtests.hs

• 8d39891b
  by Isaac Dupree at 2010-01-14T18:53:18+00:00

  fix html arg-doc off-by-one and silliness

• 9401f2e9
  by David Waern at 2010-01-22T22:57:03+00:00

  Create a test for function argument docs

• 507a82d7
  by David Waern at 2010-01-22T23:24:47+00:00

  Put parenthesis around type signature arguments of function type

• 8a305c28
  by David Waern at 2010-01-23T17:26:59+00:00

  Add reference file for the FunArgs test

• 1309d5e1
  by David Waern at 2010-01-24T16:05:08+00:00

  Improve FunArg test and update Test.html.ref

• 2990f055
  by Yitzchak Gale at 2010-02-14T16:03:46+00:00

  Do not generate illegal character in HTML ID attribute.

• c5bcab7a
  by David Waern at 2010-02-22T22:10:30+00:00

  Fix Haddock markup error in comment

• c6416a73
  by David Waern at 2010-02-24T22:55:08+00:00

  Large additions to the Haddock API
  
  Also improved and added more doc comments.
  

• 57d289d7
  by David Waern at 2010-02-24T22:58:02+00:00

  Remove unused ifaceLocals

• 80528d93
  by David Waern at 2010-02-25T21:05:09+00:00

  Add HaddockModInfo to the API

• 82806848
  by David Waern at 2010-02-25T21:05:27+00:00

  Wibble

• 744cad4c
  by David Waern at 2010-02-25T23:30:59+00:00

  Make it possible to run a single test

• 6a806e4c
  by David Waern at 2010-03-14T14:19:39+00:00

  Bump version number

• a5a8e4a7
  by David Waern at 2010-03-14T14:36:35+00:00

  Update ANNOUNCE

• 6f05435e
  by Simon Hengel at 2010-03-15T20:52:42+00:00

  Add missing dependencies for 'library' in haddock.cabal

• faefe2bd
  by David Waern at 2010-03-15T22:29:37+00:00

  Solve conflicts

• 9808ad52
  by David Waern at 2010-03-15T22:51:21+00:00

  Bump version number

• eb0bf60b
  by David Waern at 2010-03-15T22:52:32+00:00

  Update CHANGES

• f95cd891
  by David Waern at 2010-03-15T23:01:06+00:00

  Add Paths_haddock to other-modules of library

• 65997b0a
  by David Waern at 2010-03-15T23:14:59+00:00

  Update CHANGES

• 7e251731
  by David Waern at 2010-03-15T23:15:30+00:00

  Bump version number

• c9cd0ddc
  by David Waern at 2010-03-16T00:28:34+00:00

  Fix warning

• 1cac2d93
  by Simon Peyton Jones at 2010-01-04T15:22:16+00:00

  Fix imports for new location of splitKindFunTys

• 474f26f6
  by Simon Peyton Jones at 2010-02-10T14:36:06+00:00

  Update Haddock for quasiquotes

• 0dcc06c0
  by Simon Peyton Jones at 2010-02-10T10:59:45+00:00

  Track changes in HsTyVarBndr

• 2d84733a
  by Simon Peyton Jones at 2010-02-10T14:52:44+00:00

  Track HsSyn chnages

• 9e3adb8b
  by Ian Lynagh at 2010-02-20T17:09:42+00:00

  Resolve conflicts

• a3e72ff8
  by Simon Peyton Jones at 2010-03-04T13:05:16+00:00

  Track change in HsUtils; and use a nicer function not an internal one

• 27994854
  by David Waern at 2010-03-18T22:22:27+00:00

  Fix build with GHC 6.12.1

• 11f6e488
  by David Waern at 2010-03-18T22:24:09+00:00

  Bump version in test reference files

• 0ef2f11b
  by David Waern at 2010-03-20T00:56:30+00:00

  Fix library part of cabal file when in ghc tree

• 3f6146ff
  by Mark Lentczner at 2010-03-20T22:30:11+00:00

  First, experimental XHTML rendering
      switch to using the xhtml package
  
      copied Html.hs to Xhtml.hs
          and split into sub-modules under Haddock/Backends/Xhtml
          and detabify
  
      moved footer into div, got ready for iface change
      headers converted to semantic markup
      contents in semantic markup
      summary as semantic markup
      description in semantic markup, info block in header fixed
  
      factored out rendering so during debug it can be readable
          (see renderToString)
  
  

• b8ab329b
  by Mark Lentczner at 2010-03-20T22:54:01+00:00

  apply changes to Html.hs to Xhtml/*.hs
  	incorporate changes that were made between the time Html.hs
  	was copied and split into Xhtml.hs and Xhtml/*.hs
  	includes patchs after "Wibble" (!) through "Fix build with GHC 6.12.1"
  

• 73df2433
  by Ian Lynagh at 2010-03-20T21:56:37+00:00

  Follow LazyUniqFM->UniqFM in GHC

• db4f602b
  by David Waern at 2010-03-29T22:00:01+00:00

  Fix build with GHC 6.12

• d8dca088
  by Simon Hengel at 2010-04-02T16:39:55+00:00

  Add missing dependencies to cabal file

• e2adc437
  by Simon Hengel at 2010-04-02T14:08:40+00:00

  Add markup support for interactive examples

• e882ac05
  by Simon Hengel at 2010-04-02T14:11:53+00:00

  Add tests for interactive examples

• 5a07a6d3
  by David Waern at 2010-04-07T17:05:20+00:00

  Propagate source positions from Lex.x to Parse.y

• 6493b46f
  by David Waern at 2010-04-07T21:48:57+00:00

  Let runtests.hs die when haddock has not been built

• 5e34423e
  by David Waern at 2010-04-07T22:01:13+00:00

  Make runtests.hs slightly more readable

• 321d59b3
  by David Waern at 2010-04-07T22:13:27+00:00

  Fix haskell/haddock#75
  
  Add colons to the $ident character set. 
  

• 37b08b8d
  by David Waern at 2010-04-08T00:32:52+00:00

  Fix haskell/haddock#118
  
  Avoid being too greedy when lexing URL markup (<..>), in order to allow
  multiple URLs on the same line. Do the same thing with <<..>> and #..#.
  

• df8feac9
  by David Waern at 2010-04-08T00:57:33+00:00

  Make it easier to add new package deps to test suite
  
  This is a hack - we should use Cabal to get the package details instead.
  

• 1ca6f84b
  by David Waern at 2010-04-08T01:03:06+00:00

  Add ghc-prim to test suite deps

• 27371e3a
  by Simon Hengel at 2010-04-08T19:26:34+00:00

  Let parsing fails on paragraphs that are immediately followed by an
  example
  
  This is more consistent with the way we treat code blocks.
  

• 83096e4a
  by David Waern at 2010-04-08T21:20:00+00:00

  Improve function name

• 439983ce
  by David Waern at 2010-04-10T10:46:14+00:00

  Fix haskell/haddock#112
  
  No link was generated for 'Addr#' in a doc comment. The reason was simply that
  the identifier didn't parse. We were using parseIdentifier from the GHC API,
  with a parser state built from 'defaultDynFlags'. If we pass the dynflags of
  the module instead, the right options are turned on on while parsing the
  identifer (in this case -XMagicHash), and the parse succeeds.
  

• 5c0d35d7
  by David Waern at 2010-04-10T10:54:06+00:00

  Rename startGhc into withGhc

• dca081fa
  by Simon Hengel at 2010-04-12T19:09:16+00:00

  Add documentation for interactive examples

• c7f26bfa
  by David Waern at 2010-04-13T00:51:51+00:00

  Slight fix to the documentation of examples

• 06eb7c4c
  by David Waern at 2010-04-13T00:57:05+00:00

  Rename Interactive Examples into Examples (and simplify explanation)

• 264830cb
  by David Waern at 2010-05-10T20:07:27+00:00

  Update CHANGES with info about 2.6.1

• 8e5d4514
  by Simon Hengel at 2010-04-18T18:16:54+00:00

  Add unit tests for parser

• 68297f40
  by David Waern at 2010-05-10T21:53:37+00:00

  Improve testsuite README

• f04eb6e4
  by David Waern at 2010-05-11T19:14:31+00:00

  Re-organise the testsuite structure

• a360f710
  by David Waern at 2010-05-11T19:18:03+00:00

  Shorten function name

• 1d5dd359
  by David Waern at 2010-05-11T21:40:02+00:00

  Update runtests.hs following testsuite re-organisation

• ffebe217
  by David Waern at 2010-05-11T21:40:10+00:00

  Update runtests.hs to use base-4.2.0.1

• 635de402
  by David Waern at 2010-05-11T21:41:11+00:00

  Update runparsetests.hs following testsuite reorganisation

• 72137910
  by Ian Lynagh at 2010-05-06T20:43:06+00:00

  Fix build

• 1a80b76e
  by Ian Lynagh at 2010-05-06T22:25:29+00:00

  Remove redundant import

• 1031a80c
  by Simon Peyton Jones at 2010-05-07T13:21:09+00:00

  Minor wibbles to HsBang stuff

• dd8e7fe5
  by Ian Lynagh at 2010-05-08T15:22:00+00:00

  GHC build system: Follow "rm" variable changes

• 7f5e6748
  by David Waern at 2010-05-13T11:53:02+00:00

  Fix build with GHC 6.12.2

• 7953d4d8
  by David Waern at 2010-05-13T18:45:01+00:00

  Fixes to comments only

• 8ae8eb64
  by David Waern at 2010-05-13T18:57:26+00:00

  ModuleMap -> IfaceMap

• 1c3eadc6
  by David Waern at 2010-05-13T19:03:13+00:00

  Fix whitespace style issues

• e96783c0
  by David Waern at 2010-05-13T19:08:53+00:00

  Fix comment

• c998a78b
  by David Waern at 2010-05-13T19:39:00+00:00

  Position the module header the same way everywhere
  Silly, but nice with some consistency :-)
  

• b48a714e
  by David Waern at 2010-05-13T19:41:32+00:00

  Position of module header, this time in the HTML backends

• f9bfb12e
  by David Waern at 2010-05-13T19:43:05+00:00

  Two newlines between declarations in Main

• 071d44c7
  by David Waern at 2010-05-13T19:44:21+00:00

  Newlines in Convert

• 036346db
  by David Waern at 2010-05-13T19:46:47+00:00

  Fix a few stylistic issues in H.InterfaceFile

• f0b8379e
  by David Waern at 2010-05-13T19:47:53+00:00

  Add newlines to H.ModuleTree

• 27409f8e
  by David Waern at 2010-05-13T19:51:10+00:00

  Fix stylistic issues in H.Utils

• 24774a11
  by David Waern at 2010-05-13T20:00:43+00:00

  Structure H.Types better

• 7b6f5e40
  by David Waern at 2010-05-13T20:01:04+00:00

  Remove bad Arbitrary instance

• fac9f1f6
  by David Waern at 2010-05-13T20:05:50+00:00

  Get rid of H.Utils.pathJoin and use System.FilePath.joinPath instead

• fe6d00c4
  by David Waern at 2010-05-13T20:51:55+00:00

  Export a couple of more types from the API

• b2e33a5f
  by David Waern at 2010-05-13T21:27:51+00:00

  Improve doc comment for Interface

• c585f2ce
  by David Waern at 2010-05-13T21:30:14+00:00

  Improve documentation of Haddock.Interface

• e6791db2
  by David Waern at 2010-05-13T22:07:35+00:00

  Remove meaningless comments

• 7801b390
  by David Waern at 2010-05-14T17:53:33+00:00

  Remove unused modules

• f813e937
  by David Waern at 2010-05-14T17:55:17+00:00

  Re-direct compilation output to a temporary directory
  Also add a flag --no-tmp-comp-dir that can be used to get the old behaviour of
  writing compilation files to GHC's output directory (default ".").
  

• e56737ec
  by David Waern at 2010-05-14T18:06:11+00:00

  Wibble

• e40b0447
  by David Waern at 2010-05-14T19:01:52+00:00

  Move flag evaluation code from Main to Haddock.Options
  Determining the value of "singular" flags (by e.g. taking the last occurrence
  of the flag) and other flag evaluation should done in Haddock.Options which is
  the module that is supposed to define the command line interface. This makes
  Main a bit easier on the eyes as well.
  

• 27091f57
  by David Waern at 2010-05-14T19:05:10+00:00

  Wibble

• c658cf61
  by David Waern at 2010-05-14T19:06:49+00:00

  Re-order things in Haddock.Options a bit

• 8cfdd342
  by David Waern at 2010-05-14T19:20:29+00:00

  De-tabify Haddock.Options and fix other whitespace issues

• 0df16b62
  by David Waern at 2010-05-14T19:25:07+00:00

  Improve comments

• 80b38e2b
  by David Waern at 2010-05-14T19:26:42+00:00

  Whitespace police

• fe580255
  by David Waern at 2010-05-14T19:31:23+00:00

  Wibbles to comments

• a2b43fad
  by David Waern at 2010-05-14T20:24:32+00:00

  Move some more flag functions to Haddock.Options

• 3f895547
  by David Waern at 2010-05-14T20:37:12+00:00

  Make renderStep a top-level function in Main

• 5cdca11d
  by David Waern at 2010-05-14T20:39:27+00:00

  Spelling in comment

• ad98d14c
  by David Waern at 2010-05-14T20:40:26+00:00

  Comment fixes

• 0bb9218f
  by David Waern at 2010-05-14T20:49:01+00:00

  Whitespace police

• 0f0a533f
  by David Waern at 2010-05-15T16:42:29+00:00

  Improve description of --dump-interface

• 5b2833ac
  by David Waern at 2010-05-15T17:16:53+00:00

  Document --no-tmp-comp-dir

• 8160b170
  by David Waern at 2010-05-15T17:18:59+00:00

  Wibble

• 570dbe33
  by David Waern at 2010-05-18T21:15:38+00:00

  HLint police

• 204e425f
  by David Waern at 2010-05-18T21:16:30+00:00

  HLint police

• 6db657ac
  by David Waern at 2010-05-18T21:16:37+00:00

  Wibble

• b942ccd7
  by Simon Marlow at 2010-06-02T08:27:30+00:00

  Interrupted disappeared in GHC 6.13 (GHC ticket haskell/haddock#4100)

• 3b94a819
  by Simon Marlow at 2010-06-02T08:45:08+00:00

  Allow base-4.3

• c5a1fb7c
  by Simon Marlow at 2010-06-02T09:03:04+00:00

  Fix compilation with GHC 6.13

• 6181296c
  by David Waern at 2010-06-08T21:09:05+00:00

  Display name of prologue file when parsing it fails

• 7cbc6f60
  by Ian Lynagh at 2010-06-13T16:20:25+00:00

  Remove redundant imports

• 980c804b
  by Simon Marlow at 2010-06-22T08:41:50+00:00

  isLocalAndTypeInferenced: fix for local module names overlapping package modules

• d74d4a12
  by Simon Marlow at 2010-06-23T12:03:27+00:00

  Unresolved identifiers in Doc get replaced with DocMonospaced
  rather than plain strings
  

• d8546783
  by Simon Marlow at 2010-06-30T12:45:17+00:00

  LaTeX backend (new options: --latex, --latex-style=<style>)

• 437afa9e
  by David Waern at 2010-07-01T12:02:44+00:00

  Fix a few stylistic whitespace issues in LaTeX backend

• 85bc1fae
  by David Waern at 2010-07-01T15:42:45+00:00

  Make runtest.hs work with GHC 6.12.3 (we should really stop hard coding this)

• 7d2eb86f
  by David Waern at 2010-07-01T15:43:33+00:00

  Update test following Simon's patch to render unresolved names in monospaced font

• 08fcbcd2
  by David Waern at 2010-07-01T16:12:18+00:00

  Warning police

• d04a8d7a
  by David Waern at 2010-07-04T14:53:39+00:00

  Fix a bug in attachInstances
  
  We didn't look for instance docs in all the interfaces of the package. This had
  the effect of instance docs not always showing up under a declaration. I took
  the opportunity to clean up the code in H.I.AttachInstances a bit as well. More
  cleanup is needed, however.
  

• d10344eb
  by Simon Hengel at 2010-07-10T09:19:04+00:00

  Add missing dependencies to cabal file

• 24090531
  by Mark Lentczner at 2010-03-21T04:51:16+00:00

  add exports to Xhtml modules

• 84f9a333
  by Mark Lentczner at 2010-04-03T19:14:22+00:00

  clean up Doc formatting code
  - add CSS for lists 
  - renderToString now uses showHtml since prettyHtml messes up <pre> sections
  

• bebccf52
  by Mark Lentczner at 2010-04-04T04:51:08+00:00

  tweak list css

• 0c2aeb5e
  by Mark Lentczner at 2010-04-04T06:24:14+00:00

  all decls now generate Html not HtmlTable
  	- ppDecl return Html, and so now do all of the functions it calls
  	- added some internal tables to some decls, which is wrong, and will have
  		to be fixed
  	- decl "Box" functions became "Elem" functions to make clear they aren't
  		in a table anymore (see Layout.hs)
  	- docBox went away, as only used in one place (and its days are numbered)
  	- cleaned up logic in a number of places, removed dead code
  	- added maybeDocToHtml which simplified a number of places in the code
  

• dbf73e6e
  by Mark Lentczner at 2010-04-05T05:02:43+00:00

  clean up processExport and place a div around each decl

• e25b7e9f
  by Mark Lentczner at 2010-04-10T21:23:21+00:00

  data decls are now a sequence of paragraphs, not a table

• 89ee0294
  by Mark Lentczner at 2010-04-10T21:29:16+00:00

  removed commented out code that can't be maintained

• d466f536
  by Mark Lentczner at 2010-04-12T04:56:27+00:00

  removed declWithDoc and cleaned up data decls in summary

• ed755832
  by Mark Lentczner at 2010-04-12T05:07:53+00:00

  merge in markupExample changes

• c36f51fd
  by Mark Lentczner at 2010-04-25T04:56:37+00:00

  made record fields be an unordList, not a table

• ed3a28d6
  by Mark Lentczner at 2010-04-25T05:23:28+00:00

  fixed surround of instance and constructor tables

• 0e35bbc4
  by Mark Lentczner at 2010-04-25T05:36:59+00:00

  fix class member boxes in summary

• 5041749b
  by Mark Lentczner at 2010-04-25T05:38:35+00:00

  remove unused bodyBox

• e91724db
  by Mark Lentczner at 2010-04-25T06:26:10+00:00

  fixed javascript quoting/escpaing issue

• f4abbb73
  by Mark Lentczner at 2010-05-03T23:04:31+00:00

  adjust css for current markup

• e75fec4c
  by Mark Lentczner at 2010-05-04T06:14:34+00:00

  added assoicated types and methods back into class decls

• 84169323
  by Mark Lentczner at 2010-05-24T13:13:42+00:00

  merge in changes from the big-whitespace cleanup

• 3c1c872e
  by Mark Lentczner at 2010-06-11T21:03:58+00:00

  adjust synopsis and bottom bar spacing

• 3c1f9ef7
  by Mark Lentczner at 2010-06-11T21:14:44+00:00

  fix missing space in "module" lines in synoposis

• 9a137e6d
  by Mark Lentczner at 2010-06-11T21:34:08+00:00

  changed tt elements to code elements

• 50f71ef1
  by Mark Lentczner at 2010-06-11T23:27:46+00:00

  factored out ppInstances

• 3b9a9de5
  by Mark Lentczner at 2010-06-17T17:36:01+00:00

  push single constructors (newtype) onto line with decl

• e0f8f2ec
  by Mark Lentczner at 2010-06-17T22:20:56+00:00

  remove <++> connector

• 56c075dd
  by Mark Lentczner at 2010-07-13T05:26:21+00:00

  change to new page structure

• 04be6ca7
  by Mark Lentczner at 2010-07-14T04:21:55+00:00

  constructors and args as dl lists, built in Layout.hs

• 65aeafc2
  by Mark Lentczner at 2010-07-14T05:38:32+00:00

  better interface to subDecls

• 72032189
  by Mark Lentczner at 2010-07-14T07:04:10+00:00

  made subDecl tables looks just so

• b782eca2
  by Mark Lentczner at 2010-07-14T16:00:54+00:00

  convert args to SubDecl format

• cc75e98f
  by Mark Lentczner at 2010-07-14T16:28:53+00:00

  convert instances to SubDecl

• 34e2aa5a
  by Mark Lentczner at 2010-07-14T21:07:32+00:00

  removing old table cruft from Layout.hs

• d5810d95
  by Mark Lentczner at 2010-07-14T21:54:58+00:00

  methods and associated types in new layout scheme

• 65ef9579
  by Mark Lentczner at 2010-07-14T23:43:42+00:00

  clean up synopsis lists

• e523318f
  by Mark Lentczner at 2010-07-15T05:02:26+00:00

  clean up of anchors

• 1215dfc5
  by Mark Lentczner at 2010-07-15T23:53:01+00:00

  added two new themes and rough css switcher

• 7f0fd36f
  by Mark Lentczner at 2010-07-16T04:57:38+00:00

  fixed package catpion, added style menu

• 0dd4999c
  by Mark Lentczner at 2010-07-16T20:12:39+00:00

  new output for mini_ pages

• 64b2810b
  by Mark Lentczner at 2010-07-16T20:58:41+00:00

  reformat index-frames

• 3173f555
  by Mark Lentczner at 2010-07-16T22:41:53+00:00

  convert index to new markup

• b0a4b7c9
  by Mark Lentczner at 2010-07-17T04:07:22+00:00

  convert index.html to new markup, adjust module markup

• 8261ae1e
  by Mark Lentczner at 2010-07-17T05:07:29+00:00

  classing styling of ancillary pages

• 2a4fb025
  by Mark Lentczner at 2010-07-17T05:11:45+00:00

  clean up Layout.hs: no more vanillaTable

• 87eec685
  by Mark Lentczner at 2010-07-17T05:35:16+00:00

  clean up Util.hs

• d304e9b0
  by Mark Lentczner at 2010-07-17T05:38:50+00:00

  qualify import of XHtml as XHtml

• 7dc05807
  by Mark Lentczner at 2010-07-17T06:17:53+00:00

  factored out head element generation

• 9cdaec9e
  by Mark Lentczner at 2010-07-17T06:44:54+00:00

  refactored out main page body generation

• 8a51019e
  by Mark Lentczner at 2010-07-17T06:48:20+00:00

  moved footer into only place that used it

• efa479da
  by Mark Lentczner at 2010-07-17T18:48:30+00:00

  styling auxillary pages for tibbe and snappy themes

• 81de5509
  by Mark Lentczner at 2010-07-18T04:41:38+00:00

  fixed alphabet on index page, and styling of it and packages in module lists

• 20718c1a
  by Mark Lentczner at 2010-07-18T05:34:29+00:00

  cleaned up div functions in Layout.hs

• 60d50453
  by Mark Lentczner at 2010-07-18T05:48:39+00:00

  added content div to main pages

• ed16561c
  by Mark Lentczner at 2010-07-18T06:12:22+00:00

  add .doc class to documentation blocks

• f5c781b0
  by Mark Lentczner at 2010-07-19T05:20:53+00:00

  refactoring of anchor ID and fragment handling

• a69a93bf
  by Mark Lentczner at 2010-07-19T05:35:55+00:00

  remove an explicit bold tag - replace with .def class

• d76c7225
  by Mark Lentczner at 2010-07-19T06:56:15+00:00

  rename Haddock.Backends.Xhtml.Util to Utils

• 5a58c0da
  by David Waern at 2010-07-21T13:30:54+00:00

  Remove trailing whitespace in Haddock.Backends.Xhtml

• 0652aa17
  by David Waern at 2010-07-21T13:33:21+00:00

  Align a few comments

• 785776c3
  by David Waern at 2010-07-21T13:39:04+00:00

  Remove trailing whitespace in H.B.X.Decl

• 71a30710
  by David Waern at 2010-07-21T13:44:27+00:00

  Remove more trailing whitespace

• 38750394
  by David Waern at 2010-07-21T13:50:43+00:00

  Style police

• 3023d940
  by David Waern at 2010-07-21T14:01:22+00:00

  Style police in H.B.X.Decl

• df16e9e6
  by David Waern at 2010-07-21T14:14:45+00:00

  Style police in H.B.X.DocMarkup

• 6020e321
  by David Waern at 2010-07-21T14:17:32+00:00

  More style police

• 86ad8bf5
  by David Waern at 2010-07-21T14:21:02+00:00

  Style police in H.B.Xhtml

• aea27d03
  by David Waern at 2010-07-21T14:42:03+00:00

  Fix warnings in LaTeX backend

• 2aff34a9
  by David Waern at 2010-07-21T14:50:46+00:00

  Style police in LaTeX backend (mainly more newlines)

• e517162d
  by David Waern at 2010-07-21T15:05:47+00:00

  Doc sections in Main

• b971aa0c
  by David Waern at 2010-07-21T15:06:17+00:00

  Trailing whitespace in Documentation.Haddock

• f11628fb
  by David Waern at 2010-07-21T15:07:06+00:00

  Trailing whitespace in Haddock.Convert

• cbaf284c
  by David Waern at 2010-07-21T15:08:11+00:00

  Style police in Haddock.GhcUtils

• 71feb77b
  by David Waern at 2010-07-21T15:09:06+00:00

  Style police in Haddock.InterfaceFile

• 0a9c80e6
  by David Waern at 2010-07-21T15:11:33+00:00

  Whitespace police

• 6168376c
  by David Waern at 2010-07-21T15:16:35+00:00

  Style police in Haddock.Utils

• 9fe4dd90
  by David Waern at 2010-07-21T15:19:31+00:00

  Add -fwarn-tabs

• a000d752
  by Mark Lentczner at 2010-07-20T17:25:52+00:00

  move CSS Theme functions into Themes.hs

• b52b440f
  by Mark Lentczner at 2010-07-20T17:29:35+00:00

  add Thomas Schilling's theme

• e43fa7e8
  by Mark Lentczner at 2010-07-21T04:49:34+00:00

  correct icon used with Snappy theme

• ba5092d3
  by Mark Lentczner at 2010-07-21T04:56:47+00:00

  apply Tibbe's updates to his theme

• 7804eef6
  by Mark Lentczner at 2010-07-21T05:15:49+00:00

  space between "Style" and the downward triangle

• 7131d4c6
  by Mark Lentczner at 2010-07-21T17:43:35+00:00

  merge with David's source cleanups

• ee65f1cb
  by David Waern at 2010-07-22T16:50:46+00:00

  Fix a bug where we allowed --hoogle, --latex, etc without input files

• e413ff7a
  by David Waern at 2010-07-22T17:21:58+00:00

  Improve function name

• a0fd14f3
  by Simon Marlow at 2010-06-30T15:34:32+00:00

  fix warnings

• 31f73d2a
  by David Waern at 2010-07-22T19:29:41+00:00

  Solve conflicts

• d563b4a5
  by Simon Marlow at 2010-06-30T15:34:37+00:00

  fix warning

• 412b6469
  by David Waern at 2010-07-22T19:31:28+00:00

  Solve conflict

• 35174b94
  by Ian Lynagh at 2010-07-06T17:27:16+00:00

  Follow mkPState argument order change

• b5c3585c
  by Simon Marlow at 2010-07-14T08:49:21+00:00

  common up code for instance rendering

• d8009560
  by Simon Marlow at 2010-07-14T12:37:11+00:00

  fix warnings

• a6d88695
  by David Waern at 2010-07-24T15:33:33+00:00

  Fix build with ghc < 6.13

• 94cf9de1
  by David Waern at 2010-07-24T15:34:37+00:00

  Remove conflict left-over

• 313b15c0
  by Mark Lentczner at 2010-07-21T22:09:04+00:00

  reorganization of nhaddock.css with tibbe

• 9defed80
  by Mark Lentczner at 2010-07-21T22:42:14+00:00

  further cleanup of nhaddock.css, float TOC, support aux. pages

• 6d944c1b
  by Mark Lentczner at 2010-07-22T06:22:23+00:00

  remove old HTML backend

• b3e8cba5
  by Mark Lentczner at 2010-07-22T06:43:32+00:00

  remove --html-help support - it was old, out-of-date, and mostly missing

• d2654a08
  by Mark Lentczner at 2010-07-22T21:45:34+00:00

  tweaks to nhaddock.css

• f73b285c
  by Mark Lentczner at 2010-07-23T06:19:35+00:00

  command like processing for theme selection
    The bulk of the change is threadnig the selected theme set through functions
    in Xhtml.hs so that the selected themes can be used when generating the page
    output. There isn't much going on in most of these changes, just passing it
    along. The real work is all done in Themes.hs.
  

• 8bddc90d
  by Mark Lentczner at 2010-07-23T06:58:31+00:00

  drop --themes support, add named theme support
    decided that --themes was silly - no one would do that, just use
      multiple --theme arguments
    made --theme a synonym for --css and -c
    made those arguments, if no file is found, look up the argument as the
      name of a built in theme
  
    all of this let's haddock be invoked with "--theme=classic" for example.
  

• 20cafd4f
  by Mark Lentczner at 2010-07-23T17:44:29+00:00

  rename --default-themes to --built-in-themes

• 0fe41307
  by Mark Lentczner at 2010-07-23T18:33:02+00:00

  tweaks to theme for info table, headings, and tables

• cba4fee0
  by Mark Lentczner at 2010-07-23T19:13:59+00:00

  tweaks for dl layout, though still not used

• 463fa294
  by Mark Lentczner at 2010-07-23T21:07:19+00:00

  tweak look of mini pages, keywords, and preblocks

• 5472fc02
  by Mark Lentczner at 2010-07-24T05:36:15+00:00

  slide out Synopsis drawer

• 9d5d5de5
  by Mark Lentczner at 2010-07-24T06:02:42+00:00

  extend package header and footer to edges of page

• a47c91a2
  by Mark Lentczner at 2010-07-24T06:28:44+00:00

  fields are def lists, tweak css for style menu, mini pages, arguments

• ca20f23b
  by Mark Lentczner at 2010-07-24T16:55:22+00:00

  excisting last vestiges of the --xhtml flag

• 71fb012e
  by Mark Lentczner at 2010-07-25T18:47:49+00:00

  change how collapsing sections are done
    make whole .caption be the target
    improve javascript for class toggling
    have plus/minus images come from .css, not img tags
  

• c168c8d3
  by Mark Lentczner at 2010-07-26T00:32:05+00:00

  reorganize files in the html lib data dir

• 93324301
  by Mark Lentczner at 2010-07-26T01:27:42+00:00

  cleaned up Themes.hs

• ad3b5dd4
  by Mark Lentczner at 2010-07-26T02:39:15+00:00

  make module list use new collapsers

• 1df9bfc6
  by Mark Lentczner at 2010-07-27T19:09:25+00:00

  remove Tibbe theme

• 8b9b01b3
  by Mark Lentczner at 2010-07-27T20:04:03+00:00

  move themes into html dir with .theme and .std-theme extensions

• a7beb965
  by Mark Lentczner at 2010-07-27T21:06:34+00:00

  give a class to empty dd elements so they can be hidden

• a258c117
  by Mark Lentczner at 2010-07-27T21:23:58+00:00

  remove custom version of copyFile in Xhtml.hs

• b70dba6e
  by Mark Lentczner at 2010-07-27T22:12:45+00:00

  apply margin changes to pre and headings as per group decision, and small cleanups

• e6f722a2
  by Mark Lentczner at 2010-07-28T00:03:12+00:00

  make info block and package bar links be floatable by placing them first in the dom tree

• c8278867
  by Mark Lentczner at 2010-07-28T19:01:18+00:00

  styling source links on declarations

• 88fdc399
  by Mark Lentczner at 2010-07-29T01:12:46+00:00

  styling tweaks
  	don't generate an empty li for absent style menu in links area
  	update css for Classic and Snappy to handle:
  		dl lists
  		links in package header and in declarations
  		floating of links and info block in package and module headers
  

• 8a75b213
  by Ian Lynagh at 2010-07-30T20:21:46+00:00

  Fix build in GHC tree

• ce8e18b3
  by Simon Hengel at 2010-08-03T18:37:26+00:00

  Adapt paths to data files in cabal file

• 9701a455
  by Simon Hengel at 2010-08-07T13:20:27+00:00

  Add missing dependency to cabal file

• 01b838d1
  by Mark Lentczner at 2010-07-30T20:19:40+00:00

  improved synopsis drawer: on click, not hover

• 7b6f3e59
  by Mark Lentczner at 2010-07-30T23:38:55+00:00

  put the synopsis back in the other themes

• 7b2904c9
  by Mark Lentczner at 2010-08-11T11:11:26+00:00

  close arrows on expanded synopsis drawer

• ea19e177
  by Mark Lentczner at 2010-08-12T21:16:45+00:00

  width and font changes
  	removed the max width restrictions on the page as a whole and the synopsis
  	made the main font size smaller (nominally 14pt) and then tweaked most
  	font sizes (relative) to be more consistent
  

• 5ced00c0
  by Mark Lentczner at 2010-08-13T15:09:55+00:00

  implemented YUI's CSS font approach

• 2799c548
  by Mark Lentczner at 2010-08-13T15:11:59+00:00

  adjusted margin to 2em, 1 wasn't enough

• 58f06893
  by Mark Lentczner at 2010-08-13T15:48:44+00:00

  removed underlining on hover for named anchors
  	headings in interface lost thier a element, no need, just put id on heading
  	css for a elements now only applies to those with href attribute
  

• 7aced4c4
  by Mark Lentczner at 2010-08-13T15:50:22+00:00

  more space between elements

• 5a3c1cce
  by Mark Lentczner at 2010-08-13T16:43:43+00:00

  adjusted font sizes of auxilary pages per new scheme

• 487539ef
  by Mark Lentczner at 2010-08-13T21:43:41+00:00

  add Frames button and clean up frames.html

• c1a140b6
  by Mark Lentczner at 2010-08-13T22:17:48+00:00

  move frames button to js 

• b0bdb68e
  by Mark Lentczner at 2010-08-14T03:44:46+00:00

  build style menu in javascript
  	moved to javascript, so as to not polute the content with the style menu
  	removed menu building code in Themes.hs
  	removed onclick in Utils.hs
  changed text of button in header from "Source code" to "Source"
  	more consistent with links in rest of page
  

• 43ab7120
  by Mark Lentczner at 2010-08-16T15:15:37+00:00

  font size and margin tweaks

• c0b68652
  by Mark Lentczner at 2010-08-17T18:19:52+00:00

  clean up collapser logics
  	javascript code for collapasble sections cleaned up
  	rewrote class utilities in javascript to be more robust
  	refactored utilities for generating collapsable sections
  made toc be same color as synopsis
  module list has needed clear attribute in CSS
  

• 5d573427
  by Mark Lentczner at 2010-08-17T23:06:02+00:00

  don't collapse entries in module list when clicking on links

• 8c307c4a
  by Mark Lentczner at 2010-08-17T23:21:43+00:00

  add missing data file to .cabal

• 414bcfcf
  by Mark Lentczner at 2010-08-17T23:28:47+00:00

  remove synopsis when in frames

• ba0fa98a
  by Mark Lentczner at 2010-08-18T16:16:11+00:00

  layout tweeks - mini page font size, toc color, etc.

• 63c1bed1
  by Mark Lentczner at 2010-08-18T19:50:02+00:00

  margin fiddling

• c311c094
  by Mark Lentczner at 2010-08-20T01:37:55+00:00

  better synopsis handling logic - no flashing

• f1fe5fa8
  by Mark Lentczner at 2010-08-20T01:41:06+00:00

  fix small layout issues
  	mini frames should have same size top heading
  	give info block dts some padding so they don't collide in some browsers
  

• 0de84d77
  by Mark Lentczner at 2010-08-20T02:13:09+00:00

  made style changing and cookies storage robust

• 1ef064f9
  by Thomas Schilling at 2010-08-04T13:12:22+00:00

  Make synopsis frame behave properly in Firefox.
  
  In Firefox, pressing the back button first reverted the synopsis
  frame, and only clicking the back button a second time would update
  the main frame.
  

• dd1c9a94
  by Mark Lentczner at 2010-08-21T01:46:19+00:00

  remove Snappy theme

• 2353a90d
  by Mark Lentczner at 2010-08-25T05:16:19+00:00

  fix occasional v.scroll bars on pre blocks (I think)

• 459b8bf1
  by Simon Hengel at 2010-08-08T10:12:45+00:00

  Add createInterfaces' (a more high-level alternative to createInterfaces) to Haddock API

• b1b68675
  by David Waern at 2010-08-26T20:31:58+00:00

  Follow recent API additions with some refactorings
  
  Simon Hegel's patch prompted me to do some refactorings in Main,
  Haddock.Documentation and Haddock.Interface. 
  

• 264d4d67
  by David Waern at 2010-08-26T21:40:59+00:00

  Get rid of GhcModule and related cruft
  
  We can get everything we need directly from TypecheckedModule.
  

• 0feacec2
  by Mark Lentczner at 2010-08-26T23:44:13+00:00

  fixed CSS for ordered lists and def lists in doc blocks

• 2997e0c2
  by Mark Lentczner at 2010-08-26T23:45:03+00:00

  support both kinds of enumerated lists in doc markup
  	The documentation for Haddock says enumerated lists can use either of
  		(1) first item
  		2. second item
  	The second form wasn't actually supported
  
  

• 5d4ddeec
  by Mark Lentczner at 2010-08-27T21:29:48+00:00

  fix broken header link margins

• 614456ba
  by Mark Lentczner at 2010-08-27T22:16:19+00:00

  fix table of contents CSS

• 03f329a2
  by David Waern at 2010-08-28T16:36:09+00:00

  Update tests following switch to the Xhtml backend

• ca689fa2
  by Mark Lentczner at 2010-08-28T18:25:16+00:00

  fix def lists

• 18e1d3d2
  by Mark Lentczner at 2010-08-28T18:26:18+00:00

  push footer to bottom of window

• b0ab8d82
  by David Waern at 2010-08-28T22:04:32+00:00

  Whitespace police

• 2d217977
  by David Waern at 2010-08-29T12:44:45+00:00

  Remove Snappy data files

• 01e27d5f
  by David Waern at 2010-08-29T13:03:28+00:00

  Add source entity path to --read-interface
  
  You can now use this flag like this:
  
    --read-interface=<html path>,<source entity path>,<.haddock file> 
  
  By "source entity path" I mean the same thing that is specified with the
  --source-entity flag. The purpose of this is to be able to specify the source
  entity path per package, to allow source links to work in the presence of
  cross-package documentation.
  
  When given two arguments or less the --read-interface flag behaves as before.
  

• 20bf4aaa
  by David Waern at 2010-08-29T13:11:03+00:00

  Naming wibbles

• ad22463f
  by Mark Lentczner at 2010-08-29T15:14:54+00:00

  make portability block be a table - solves layout issues

• 97bd1ae6
  by Mark Lentczner at 2010-08-29T15:17:42+00:00

  update golden test for Test due to portability box change

• d37e139e
  by Mark Lentczner at 2010-08-29T17:07:17+00:00

  move TOC and Info blocks down 0.5em to improve layout issue w/Test.hs

• acf52501
  by David Waern at 2010-08-29T17:32:36+00:00

  Allow building with ghc < 6.16

• 1cb34ed8
  by Ian Lynagh at 2010-07-24T23:18:49+00:00

  Flatten the dynflags before parsing

• b36845b4
  by Ian Lynagh at 2010-07-24T23:26:49+00:00

  Follow flattenLanguageFlags -> flattenExtensionFlags rename

• 7f7fcc7e
  by David Waern at 2010-08-29T17:46:23+00:00

  Use flattenExtensionFlags with ghc >= 6.13 only

• 13cf9411
  by Ian Lynagh at 2010-08-01T18:09:54+00:00

  Make the main haddock script versioned, and make plain "haddock" a symlink

• 495cbff2
  by Ian Lynagh at 2010-08-18T18:57:24+00:00

  Fix installation in the GHC build system
  Data-files are now in subdirectories, so we need to handle that
  

• 88ebab0a
  by Ian Lynagh at 2010-08-18T19:43:53+00:00

  GHC build system: Add all the data files to BINDIST_EXTRAS

• 65837172
  by David Waern at 2010-08-29T20:12:34+00:00

  Update Test

• 094bbaa2
  by David Waern at 2010-08-29T20:55:14+00:00

  Revert update to Test

• a881cfb3
  by David Waern at 2010-08-31T18:24:15+00:00

  Bump version number

• 1fc8a3eb
  by David Waern at 2010-08-31T22:32:27+00:00

  Update ANNOUNCE

• ee1df9d0
  by David Waern at 2010-08-31T22:33:11+00:00

  Update CHANGES

• 394cc854
  by David Waern at 2010-08-31T22:33:23+00:00

  Update interface file versioning to work with ghc 6.14/15

• 7d03b79b
  by David Waern at 2010-08-31T22:36:00+00:00

  Update test output following version change

• a48d82d1
  by Mark Lentczner at 2010-09-01T04:29:35+00:00

  sort options in doc to match --help output
  	removed --html-help option, as it is no longer supported
  

• 06561aeb
  by Mark Lentczner at 2010-09-01T05:29:32+00:00

  update options documentation
  	rewrote doc for --html
  	added doc for --theme and --built-in-themes
  	added --use-contents and --gen-contents
  

• 57dea832
  by Mark Lentczner at 2010-09-01T05:31:27+00:00

  slight wording change about Frames mode

• fa1f6da3
  by David Waern at 2010-09-01T10:57:44+00:00

  Update doc configure script to find docbook stylesheets on arch linux

• addff770
  by David Waern at 2010-09-01T11:02:29+00:00

  Wibble

• 8399006d
  by David Waern at 2010-09-01T11:19:21+00:00

  Replace ghci> with >>> in example syntax

• 35074cf8
  by David Waern at 2010-09-01T19:03:27+00:00

  Improve docs for --no-tmp-comp-dir

• 0f8f8cfd
  by David Waern at 2010-09-02T11:22:27+00:00

  Add a list of contributors to the user guide
  
  Break out everyone thanked in the `Acknowledgements` chapter into a
  separate contributor list and add everyone from `darcs show authors`.
  We consider everyone who is thanked to be a contributor as a conservative
  estimation :-)
  
  I have added some more contributors that I know about, who were not in the
  darcs history, but others may be missing. So please add anyone that you think 
  is missing from the list.
  

• 42ccf099
  by David Waern at 2010-09-02T11:29:22+00:00

  Update copyright years in license

• 0d560479
  by David Waern at 2010-09-02T11:38:52+00:00

  Update release instructions

• 72ab7796
  by David Waern at 2010-09-02T19:27:08+00:00

  Add a note to ANNOUNCE

• bf9d9c5d
  by David Waern at 2010-09-02T19:27:48+00:00

  H.Utils needs FFI on Win+MinGW 

• 048ae44a
  by Mark Lentczner at 2010-09-04T23:19:47+00:00

  make TOC group header identifiers validate

• 8c6faf36
  by Simon Michael at 2010-09-22T07:12:34+00:00

  add hints for cleaner darcs show authors output

• 9909bd17
  by Simon Michael at 2010-09-22T17:58:06+00:00

  print haddock coverage info on stdout when generating docs
  A module's haddockable items are its exports and the module itself.
  The output is lightly formatted so you can align the :'s and sort
  for readability.
  

• 6da72171
  by David Waern at 2010-10-03T21:31:24+00:00

  Style wibble

• 2f8d8e4d
  by Tobias Brandt at 2010-08-27T07:01:21+00:00

  adding the option to fully qualify identifiers

• 833be6c6
  by Tobias Brandt at 2010-08-27T15:50:28+00:00

  adding support for local and relative name qualification

• df15c4e9
  by Tobias Brandt at 2010-08-27T15:56:37+00:00

  corrected qualification help message

• 449e9ce1
  by David Waern at 2010-10-16T17:34:30+00:00

  Solve conflicts

• 3469bda5
  by David Waern at 2010-10-16T18:42:40+00:00

  Use "qual" as an abbreviation for qualification instead of "quali" for consistency

• 97c2d728
  by David Waern at 2010-10-16T18:47:07+00:00

  Style police

• ce14fbea
  by David Waern at 2010-10-16T21:15:25+00:00

  Style police

• fdf29e9d
  by David Waern at 2010-10-17T00:30:44+00:00

  Add a pointer to the style guide

• 8e6b44e8
  by rrnewton at 2010-10-24T03:19:28+00:00

  Change to index pages: include an 'All' option even when subdividing A-Z.

• 755b131c
  by David Waern at 2010-11-14T19:39:36+00:00

  Bump version

• d0345a04
  by David Waern at 2010-11-14T19:41:59+00:00

  TAG 2.8.1

• f6221508
  by Simon Peyton Jones at 2010-09-13T09:53:00+00:00

  Adapt to minor changes in internal GHC functions

• 1290713d
  by Ian Lynagh at 2010-09-15T10:37:18+00:00

  Remove duplicate Outputable instance for Data.Map.Map

• 87f69eef
  by Ian Lynagh at 2010-09-21T15:01:10+00:00

  Bump GHC dep upper bound

• af36e087
  by Ian Lynagh at 2010-09-21T15:12:02+00:00

  Fix up __GLASGOW_HASKELL__ tests

• ad67716c
  by Ian Lynagh at 2010-09-21T20:31:35+00:00

  Don't build haddock is HADDOCK_DOCS is NO

• 63b3f1f5
  by Ian Lynagh at 2010-09-21T21:39:51+00:00

  Fixes for when HADDOCK_DOCS=NO

• e92bfa42
  by Ian Lynagh at 2010-09-29T21:15:38+00:00

  Fix URL creation on Windows: Use / not \ in URLs. Fixes haskell/haddock#4353

• 66c55e05
  by Ian Lynagh at 2010-09-30T17:03:34+00:00

  Tidy up haddock symlink installation
  In particular, it now doesn't get created if we aren't installing
  haddock.
  

• 549b5556
  by Ian Lynagh at 2010-10-23T21:17:14+00:00

  Follow extension-flattening change in GHC

• d7c2f72b
  by David Waern at 2010-11-14T20:17:55+00:00

  Bump version to 2.8.2

• 6989a3a9
  by David Waern at 2010-11-14T20:26:01+00:00

  Solve conflict

• 055c6910
  by Ian Lynagh at 2010-09-22T15:36:20+00:00

  Bump GHC dep

• c96c0763
  by Simon Marlow at 2010-10-27T11:09:44+00:00

  follow changes in the GHC API

• 45907129
  by David Waern at 2010-11-07T14:00:58+00:00

  Update the HCAR entry

• 61940b95
  by David Waern at 2010-11-07T14:07:34+00:00

  Make the HCAR entry smaller

• aa590b7d
  by David Waern at 2010-11-14T21:30:59+00:00

  Update HCAR entry with November 2010 version

• 587f9847
  by David Waern at 2010-11-14T23:48:17+00:00

  Require ghc >= 7.0

• ff5c647c
  by David Waern at 2010-11-14T23:49:09+00:00

  TAG 2.8.2

• 937fcb4f
  by David Waern at 2010-11-14T23:49:45+00:00

  Solve conflict

• 8e5d0c1a
  by David Waern at 2010-11-15T21:09:50+00:00

  Remove code for ghc < 7

• 3d47b70a
  by David Waern at 2010-11-15T21:11:06+00:00

  Fix bad merge

• 7f4a0d8a
  by David Waern at 2010-11-15T21:13:57+00:00

  Remove more ghc < 7 code

• 9ee34b50
  by David Waern at 2010-11-15T21:31:25+00:00

  Match all AsyncExceptions in exception handler

• 42849c70
  by David Waern at 2010-11-15T21:35:31+00:00

  Just say "internal error" instead of "internal Haddock or GHC error"

• c88c809b
  by David Waern at 2010-11-15T21:44:19+00:00

  Remove docNameOcc under the motto "don't name compositions"

• b798fc7c
  by David Waern at 2010-11-15T23:27:13+00:00

  Wibble

• 2228197e
  by David Waern at 2010-11-15T23:28:24+00:00

  Rename the HCAR entry file

• 8a3f9090
  by David Waern at 2010-11-16T00:05:29+00:00

  Remove Haskell 2010 extensions from .cabal file

• c7a0c597
  by David Waern at 2010-11-16T00:10:28+00:00

  Style wibbles

• cde707a5
  by David Waern at 2010-11-16T00:12:00+00:00

  Remove LANGUAGE ForeignFunctionInterface pragmas

• 1dbda8ed
  by David Waern at 2010-11-16T00:17:21+00:00

  Make a little more use of DoAndIfThenElse

• 4c45ff6e
  by David Waern at 2010-11-16T00:59:41+00:00

  hlint police

• d2feaf09
  by David Waern at 2010-11-16T01:14:15+00:00

  hlint police

• 99876e97
  by David Waern at 2010-11-20T19:06:00+00:00

  Haddock documentation updates

• 65ce6987
  by David Waern at 2010-11-20T19:42:51+00:00

  Follow the style guide closer in Haddock.Types and improve docs

• 28ca304a
  by tob.brandt at 2010-11-20T17:04:40+00:00

  add full qualification for undocumented names

• d61341e3
  by David Waern at 2010-11-20T20:04:15+00:00

  Re-structure qualification code a little

• 0057e4d6
  by David Waern at 2010-11-20T20:07:55+00:00

  Re-order functions

• d7279afd
  by David Waern at 2010-11-21T03:39:54+00:00

  Add BangPatterns to alex and happy source files

• 629fe60e
  by tob.brandt at 2010-11-23T23:35:11+00:00

  documentation for qualification

• 37031cee
  by David Waern at 2010-11-23T21:06:44+00:00

  Update CHANGES - don't mention 2.8.2, we won't release it

• f2489e19
  by David Waern at 2010-12-01T21:57:11+00:00

  Update deps of runtests.hs to work with ghc 7.0.1

• d3657e9a
  by David Waern at 2010-12-01T22:04:57+00:00

  Make tests compile with ghc 7.0.1

• a2f09d9b
  by David Waern at 2010-12-01T22:06:59+00:00

  Update tests following version bump

• 50883ebb
  by David Waern at 2010-12-06T14:09:18+00:00

  Update tests following recent changes

• fc2fadeb
  by David Waern at 2010-12-06T14:17:29+00:00

  Add a flag --pretty-html for rendering indented html with newlines

• 30832ef2
  by David Waern at 2010-12-06T14:17:35+00:00

  Use --pretty-html when running the test suite. Makes it easier to compare output

• a0b81b31
  by David Waern at 2010-12-06T14:18:27+00:00

  Wibble

• 3aaa23fe
  by David Waern at 2010-12-06T14:19:29+00:00

  Haddockify ppHtml comments

• 24bb24f0
  by David Waern at 2010-12-06T14:23:15+00:00

  Remove --debug. It was't used, and --verbosity should take its place

• 6bc076e5
  by David Waern at 2010-12-06T14:25:37+00:00

  Rename golden-tests into html-tests. "golden tests" sounds strange

• 53301e55
  by David Waern at 2010-12-06T14:26:26+00:00

  QUALI -> QUAL in the description --qual for consistency

• 98b6affb
  by David Waern at 2010-12-06T21:54:02+00:00

  Bump version

• 371bf1b3
  by David Waern at 2010-12-06T22:08:55+00:00

  Update tests following version bump

• 25be762d
  by David Waern at 2010-12-06T22:21:03+00:00

  Update CHANGES

• 7c7dac71
  by David Waern at 2010-12-06T22:33:43+00:00

  Update ANNOUNCE

• 30d7a5f2
  by Simon Peyton Jones at 2010-11-15T08:38:38+00:00

  Alex generates BangPatterns, so make Lex.x accept them
  
  (It'd be better for Alex to generate this pragma.)
  

• 605e8018
  by Simon Marlow at 2010-11-17T11:37:24+00:00

  Add {-# LANGUAGE BangPatterns #-} to mollify GHC

• a46607ba
  by David Waern at 2010-12-07T14:08:10+00:00

  Solve conflicts

• b28cda66
  by David Waern at 2010-12-09T20:41:35+00:00

  Docs: Mention that \ is a special character in markup

• a435bfdd
  by Ian Lynagh at 2010-11-17T14:01:19+00:00

  TAG GHC 7.0.1 release

• 5a15a05a
  by David Waern at 2010-12-11T17:51:19+00:00

  Fix indentation problem

• 4232289a
  by Lennart Kolmodin at 2010-12-17T18:32:03+00:00

  Revise haddock.cabal given that we now require ghc-7
  default-language should be Haskell2010, slight new semantics for extensions.
  Rewrite into clearer dependencies of base and Cabal.
  

• a36302dc
  by David Waern at 2010-12-19T17:12:37+00:00

  Update CHANGES

• 7c8b85b3
  by David Waern at 2010-12-19T17:14:24+00:00

  Bump version

• cff22813
  by Ian Lynagh at 2011-01-05T18:24:27+00:00

  Write hoogle output in utf8; fixes GHC build on Windows

• c7e762ea
  by David Waern at 2011-01-22T00:00:35+00:00

  Put title outside doc div when HTML:fying title+prologue
  
  Avoids indenting the title, and makes more sense since the title
  is not a doc string anyway.
  

• 5f639054
  by David Waern at 2011-01-22T16:09:44+00:00

  Fix spelling error - contributed by Marco Silva

• c11dce78
  by Ian Lynagh at 2011-01-07T02:33:11+00:00

  Follow GHC build system changes

• 101cfaf5
  by David Waern at 2011-01-08T14:06:44+00:00

  Bump version

• af62348b
  by David Waern at 2011-01-08T14:07:07+00:00

  TAG 2.9.2

• 4d1f6461
  by Ian Lynagh at 2011-01-07T23:06:57+00:00

  Name the haddock script haddock-ghc-7.0.2 instead of haddock-7.0.2; haskell/haddock#4882
  "7.0.2" looked like a haddock version number before
  

• 8ee4d5d3
  by Simon Peyton Jones at 2011-01-10T17:31:12+00:00

  Update Haddock to reflect change in hs_tyclds field of HsGroup

• 06f3e3db
  by Ian Lynagh at 2011-03-03T15:02:37+00:00

  TAG GHC 7.0.2 release

• 7de0667d
  by David Waern at 2011-03-10T22:47:13+00:00

  Update CHANGES

• 33a9f1c8
  by David Waern at 2011-03-10T22:47:31+00:00

  Fix build with ghc 7.0.1

• 4616f861
  by David Waern at 2011-03-10T22:47:50+00:00

  TAG 2.9.2-actual

• 0dab5e3c
  by Simon Hengel at 2011-04-08T15:53:01+00:00

  Set shell script for unit tests back to work

• 85c54dee
  by Simon Hengel at 2011-04-08T16:01:24+00:00

  Set unit tests back to work
  
  Here "ghci>" was still used instead of ">>>".
  

• 1cea9b78
  by Simon Hengel at 2011-04-08T16:25:36+00:00

  Update runtests.hs for GHC 7.0.2

• 8e5b3bbb
  by Simon Hengel at 2011-04-08T16:28:49+00:00

  Update Haddock version in *.html.ref

• 2545e955
  by Simon Hengel at 2011-04-08T17:09:28+00:00

  Add support for blank lines in the result of examples
  
  Result lines that only contain the string "<BLANKLINE>" are treated as a blank
  line.
  

• adf64d2e
  by Simon Hengel at 2011-04-08T17:36:50+00:00

  Add documentation for "support for blank lines in the result of examples"

• c51352ca
  by David Waern at 2011-05-21T23:57:56+00:00

  Improve a haddock comment

• 7419cf2c
  by David Waern at 2011-05-22T15:41:52+00:00

  Use cabal's test suite support to run the test suite
  
  This gives up proper dependency tracking of the test script.
  

• 7770070c
  by David Waern at 2011-05-22T01:45:44+00:00

  We don't need to send DocOptions nor a flag to mkExportItems

• 9d95b7b6
  by David Waern at 2011-05-22T21:39:03+00:00

  Fix a bug

• 1f93699b
  by David Waern at 2011-05-22T21:40:21+00:00

  Break out fullContentsOf, give it a better name and some documentation
  
  The documentation describes how we want this function to eventually behave,
  once we have fixed a few problems with the current implementation.
  

• 9a86432f
  by David Waern at 2011-05-22T21:53:52+00:00

  Fix some stylistic issues in mkExportItems

• c271ff0c
  by David Waern at 2011-05-22T22:09:11+00:00

  Indentation

• 93e602b1
  by David Waern at 2011-06-10T01:35:31+00:00

  Add git commits since switchover:
  
    darcs format (followed by a conflict resolution):
  
    commit 6f92cdd12d1354dfbd80f8323ca333bea700896a
    Merge: f420cc4 28df3a1
    Author: Simon Peyton Jones <simonpj@microsoft.com>
    Date:   Thu May 19 17:54:34 2011 +0100
  
        Merge remote branch 'origin/master' into ghc-generics
  
    commit 28df3a119f770fdfe85c687dd73d5f6712b8e7d0
    Author: Max Bolingbroke <batterseapower@hotmail.com>
    Date:   Sat May 14 22:37:02 2011 +0100
  
        Unicode fix for getExecDir on Windows
  
    commit 89813e729be8bce26765b95419a171a7826f6d70
    Merge: 6df3a04 797ab27
    Author: Simon Peyton Jones <simonpj@microsoft.com>
    Date:   Mon May 9 11:55:17 2011 +0100
  
        Merge branch 'ghc-new-co'
  
    commit 6df3a040da3dbddee67c6e30a892f87e6b164383
    Author: Ian Lynagh <igloo@earth.li>
    Date:   Sun May 8 17:05:50 2011 +0100
  
        Follow changes in SDoc
  
    commit f420cc48b9259f0b1afd2438b12f9a2bde57053d
    Author: Jose Pedro Magalhaes <jpm@cs.uu.nl>
    Date:   Wed May 4 17:31:52 2011 +0200
  
        Adapt haddock to the removal of HsNumTy and TypePat.
  
    commit 797ab27bdccf39c73ccad374fea265f124cb52ea
    Merge: 1d81436 5a91450
    Author: Simon Peyton Jones <simonpj@microsoft.com>
    Date:   Mon May 2 12:05:03 2011 +0100
  
        Merge remote branch 'origin/master' into ghc-new-co
  
    commit 1d8143659a81cf9611668348e33fd0775c7ab1d2
    Author: Simon Peyton Jones <simonpj@microsoft.com>
    Date:   Mon May 2 12:03:46 2011 +0100
  
        Wibbles for ghc-new-co branch
  
    commit 5a91450e2ea5a93c70bd3904b022445c9cc82488
    Author: Ian Lynagh <igloo@earth.li>
    Date:   Fri Apr 22 00:51:56 2011 +0100
  
        Follow defaultDynFlags change in GHC
  

• 498da5ae
  by David Waern at 2011-06-11T00:33:33+00:00

  * Merge in git patch from Michal Terepeta
  
  From 6fc71d067738ef4b7de159327bb6dc3d0596be29 Mon Sep 17 00:00:00 2001
  From: Michal Terepeta <michal.terepeta@gmail.com>
  Date: Sat, 14 May 2011 19:18:22 +0200
  Subject: [PATCH] Follow the change of TypeSig in GHC.
  
  This follows the change in GHC to make TypeSig take a list
  of names (instead of just one); GHC ticket haskell/haddock#1595. This
  should also improve the Haddock output in case the user
  writes a type signature that refers to many names:
    -- | Some comment..
    foo, bar :: ...
  will now generate the expected output with one signature for
  both names.
  

• 094607fe
  by Ian Lynagh at 2011-06-17T19:10:29+01:00

  Fix build
  

• 8fa35740
  by Ian Lynagh at 2011-06-26T21:06:40+01:00

  Bump GHC dep to allow 7.2
  

• e4d2ca3c
  by Ian Lynagh at 2011-07-07T23:06:28+01:00

  Relax base dep
  

• b948fde9
  by Ian Lynagh at 2011-07-28T16:39:45+01:00

  GHC build system: Don't install the datafiles twice
  

• f82f6d70
  by Simon Marlow at 2011-08-11T12:08:15+01:00

  Hack this to make it work with both Alex 2.x and Alex 3.x.  Unicode in
  documentation strings is (still) mangled.  I don't think it's possible
  to make it so that we get the current behaviour with Alex 2.x but
  magic Unicode support if you use Alex 3.x.  At some point we have to
  decide that Alex 3.x is a requirement, then we can do Unicode.
  

• b341cc12
  by Max Bolingbroke at 2011-08-22T20:25:27+01:00

  Fix compilation with no-pred-ty GHC
  

• 30494581
  by Max Bolingbroke at 2011-08-23T10:20:54+01:00

  Remaining fixes for PredTy removal
  

• 0b197138
  by Max Bolingbroke at 2011-08-26T08:27:45+01:00

  Rename factKind to constraintKind
  

• a379bec5
  by Max Bolingbroke at 2011-09-04T12:54:47+01:00

  Deal with change to IParam handling in GHC
  

• f94e421b
  by Max Bolingbroke at 2011-09-06T17:34:31+01:00

  Adapt Haddock for the ConstraintKind extension changes
  

• 8821e5cc
  by Max Bolingbroke at 2011-09-09T08:24:59+01:00

  Ignore associated type defaults (just as we ignore default methods)
  

• 31a0afd4
  by Max Bolingbroke at 2011-09-09T09:06:00+01:00

  Merge branch 'no-pred-ty' of ssh://darcs.haskell.org/srv/darcs/haddock into no-pred-ty
  

• dd3b530a
  by Max Bolingbroke at 2011-09-09T14:10:25+01:00

  Merge branch 'no-pred-ty'
  
  Conflicts:
  	src/Haddock/Convert.hs
  

• 5f25ec96
  by Max Bolingbroke at 2011-09-09T14:10:40+01:00

  Replace FactTuple with ConstraintTuple
  

• cd30b9cc
  by David Waern at 2011-09-26T02:17:55+02:00

  Bump to version 2.9.3
  

• 4fbfd397
  by Max Bolingbroke at 2011-09-27T14:55:21+01:00

  Follow changes to BinIface Name serialization
  

• 92257d90
  by David Waern at 2011-09-30T23:45:07+02:00

  Fix problem with test files not added to distribution tarball
  

• 00255bda
  by David Waern at 2011-09-30T23:48:24+02:00

  Merge branch 'development'
  

• 5421264f
  by David Waern at 2011-10-01T01:25:39+02:00

  Merge in darcs patch from Simon Meier:
  
    Wed Jun  1 19:41:16 CEST 2011  iridcode@gmail.com
      * prettier haddock coverage info
      The new coverage info rendering uses less horizontal space. This reduces the
      number of unnecessary line-wrappings. Moreover, the most important information,
      how much has been documented already, is now put up front. Hopefully, this
      makes it more likely that a library author is bothered by the low coverage of
      his modules and fixes that issue ;-)
  

• 07d318ef
  by David Waern at 2011-10-01T01:34:10+02:00

  Use printException instead of deprecated printExceptionAndWarnings
  

• 40d52ee4
  by David Waern at 2011-10-01T01:41:13+02:00

  Merge in darcs pach:
  
    Mon Apr 11 18:09:54 JST 2011  Liyang HU <haddock@liyang.hu>
      * Remember collapsed sections in index.html / haddock-util.js
  

• 279d6dd4
  by David Waern at 2011-10-01T01:55:45+02:00

  Merge in darcs patch:
  
    Joachim Breitner <mail@joachim-breitner.de>**20110619201645
    Ignore-this: f6c51228205b0902ad5bfad5040b989a
  
    As reported on http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=578301,
    generating the global index takes much too long if type-level (with lots of
    auto-generated types) is installed. The patch avoids a quadratic runtime in the
    subfunction getIfaceIndex of ppHtmlIndex by using a temporary set. Runtime improvement observed here from 25.36s to 2.86s.
  

• d1612383
  by David Waern at 2011-10-01T01:56:48+02:00

  Merge branch 'development'
  

• 347520c1
  by David Waern at 2011-10-01T01:56:54+02:00

  Merge branch 'master' of http://darcs.haskell.org/haddock
  

• 9a0c95e8
  by David Waern at 2011-10-01T02:19:10+02:00

  Improve .cabal file
  

• 6967dc64
  by Ian Lynagh at 2011-10-01T01:34:06+01:00

  Follow changes to ForeignImport/ForeignExport in GHC
  

• 565cb26b
  by Simon Marlow at 2011-10-04T00:15:04+02:00

  Hack this to make it work with both Alex 2.x and Alex 3.x.  Unicode in
  documentation strings is (still) mangled.  I don't think it's possible
  to make it so that we get the current behaviour with Alex 2.x but
  magic Unicode support if you use Alex 3.x.  At some point we have to
  decide that Alex 3.x is a requirement, then we can do Unicode.
  

• 8b74f512
  by David Waern at 2011-10-04T00:18:17+02:00

  Requre ghc >= 7.2
  

• 271d360c
  by David Waern at 2011-10-04T00:22:50+02:00

  Bump version to 2.9.4
  

• 37f3edb0
  by David Waern at 2011-10-06T02:30:21+02:00

  Add alex and happy to build-tools.
  

• 7ac2bb6e
  by David Terei at 2011-10-12T14:02:55-07:00

  Add safe haskell indication to haddock output
  

• 42c91a47
  by David Terei at 2011-10-12T14:06:03-07:00

  Fix CSS issue with info table not being contained in module header
  

• 0eddab6c
  by David Terei at 2011-10-12T14:06:58-07:00

  Add safe haskell indication to haddock output
  

• 3df058eb
  by David Terei at 2011-10-12T14:07:07-07:00

  Fix CSS issue with info table not being contained in module header
  

• a40a6c3f
  by David Waern at 2011-10-22T11:29:06+02:00

  Bump .haddock file version since the format has changed recently
  

• 8a6254be
  by David Waern at 2011-10-22T11:30:42+02:00

  Merge branch 'development'
  

• 642e3e02
  by David Waern at 2011-10-23T21:23:39+02:00

  Sort import list
  

• 36371cf8
  by David Waern at 2011-10-23T22:48:18+02:00

  Remove NEW_GHC_LAYOUT conditional.
  

• 5604b499
  by David Waern at 2011-10-27T00:15:03+02:00

  Add --print-ghc-path.
  

• 463499fa
  by David Waern at 2011-10-27T00:16:22+02:00

  Make testsuite able to find its dependencies automatically.
  

• a3506172
  by Ryan Newton at 2011-11-05T05:59:58-04:00

  Improved declNames internal error.  Added a case to handle DocD.
  

• 001b8baf
  by David Waern at 2011-11-05T20:37:29+01:00

  Rename copy.hs -> accept.hs.
  

• 55d808d3
  by David Waern at 2011-11-05T23:30:02+01:00

  Fix build.
  

• deb5c3be
  by David Waern at 2011-11-06T00:01:47+01:00

  Merge branch 'master' of http://darcs.haskell.org/haddock
  

• 9b663554
  by David Waern at 2011-11-06T00:03:45+01:00

  Merge https://github.com/rrnewton/haddock
  

• 1abb0ff6
  by David Waern at 2011-11-06T01:20:37+01:00

  Use getDeclMainBinder instead of declNames.
  

• 4b005c01
  by David Waern at 2011-11-06T19:09:53+01:00

  Fix build.
  

• c2c51bc7
  by Ian Lynagh at 2011-11-06T23:01:33+00:00

  Remove -DNEW_GHC_LAYOUT in ghc.mk
  

• f847d703
  by Jose Pedro Magalhaes at 2011-11-11T09:07:39+00:00

  New kind-polymorphic core
  
  This big patch implements a kind-polymorphic core for GHC. The current
  implementation focuses on making sure that all kind-monomorphic programs still
  work in the new core; it is not yet guaranteed that kind-polymorphic programs
  (using the new -XPolyKinds flag) will work.
  
  For more information, see http://haskell.org/haskellwiki/GHC/Kinds
  

• 7d7c3b09
  by Jose Pedro Magalhaes at 2011-11-16T21:42:22+01:00

  Follow changes to tuple sorts in master
  

• 8430e03e
  by Simon Peyton Jones at 2011-11-17T10:20:27+00:00

  Remove redundant imports
  

• d1b06832
  by Ian Lynagh at 2011-11-19T01:33:21+00:00

  Follow GHC build system change to the way we call rm
  

• 9e2230ed
  by David Waern at 2011-11-24T15:00:24+01:00

  Fix a bug in test runner and get rid of regex-compat dependency.
  

• 52039b21
  by David Waern at 2011-11-24T23:55:36+01:00

  Avoid haskell98 dependency in test
  

• 92e1220d
  by David Waern at 2011-11-25T00:03:33+01:00

  Avoid depency on regex-compat also in accept.hs.
  

• ddac6b6f
  by David Waern at 2011-11-25T02:13:38+01:00

  Accept test output.
  

• 5a720455
  by David Waern at 2011-11-25T02:16:20+01:00

  Some more changes to test scripts.
  

• 170a9004
  by David Waern at 2011-11-25T02:30:41+01:00

  Add flag --interface-version.
  

• d225576c
  by David Waern at 2011-11-25T02:39:26+01:00

  Remove #ifs for older compiler versions.
  

• f0d0a4f5
  by David Waern at 2011-11-26T04:20:12+01:00

  Give preference to type over data constructors for doc comment links at renaming time.
  
  Previously this was done in the backends.
  
  Also, warn when a doc comment refers to something that is in scope but which we
  don't have the .haddock file for.
  
  These changes mean we can make DocIdentifier [a] into DocIdentifier a.
  

• eef0e776
  by David Waern at 2011-11-26T17:01:06+01:00

  Allow doc comments to link to out-of-scope things (#78).
  
  (A bug that should have been fixed long ago.)
  

• 565ad529
  by David Waern at 2011-11-26T19:56:21+01:00

  Update tests.
  

• fb3ce7b9
  by David Waern at 2011-11-26T21:44:28+01:00

  Cleanup.
  

• d0328126
  by David Waern at 2011-11-26T22:10:28+01:00

  Fix module reference bug.
  

• c03765f8
  by David Waern at 2011-12-03T05:20:20+01:00

  Slightly better behaviour on top-levels without type signatures.
  
  - Docs don't get attached to the next top-level with signature by
  mistake.
  
  - If there's an export list and the top-level is part of it,
  its doc comment shows up in the documentation.
  

• 48461d31
  by David Waern at 2011-12-03T05:38:10+01:00

  Add a test for Unicode doc comments.
  

• 549c4b4e
  by David Waern at 2011-12-03T19:07:55+01:00

  Cleanup.
  

• 7bfecf91
  by David Waern at 2011-12-03T20:13:08+01:00

  More cleanup.
  

• 14fab722
  by Ian Lynagh at 2011-12-12T21:21:35+00:00

  Update dependencies and binaryInterfaceVersion
  

• 469e6568
  by Ian Lynagh at 2011-12-18T12:56:16+00:00

  Fix (untested) building from source tarball without alex/happy
  
  haddock's .cabal file was declaring that it needed alex and happy to
  build, but in the GHC source tarballs it doesn't.
  

• 895c9a8c
  by David Waern at 2011-12-27T12:57:43+01:00

  Go back to having a doc, sub and decl map instead of one big decl map.
  
  This setup makes more sense since when we add value bindings to the
  processed declarations (for type inference), we will have multiple
  declarations which should share documentation. Also, we already have
  a separate doc map for instances which we can now merge into the
  main doc map. Another benefit is that we don't need the DeclInfo
  type any longer.
  

• 736767d9
  by David Waern at 2011-12-27T13:33:41+01:00

  Merge ../../../haddock
  
  Conflicts:
  	src/Haddock/InterfaceFile.hs
  

• 20016f79
  by David Waern at 2011-12-27T13:57:23+01:00

  Bump version.
  

• 31f276fb
  by David Waern at 2011-12-27T13:57:32+01:00

  Merge ../ghc/utils/haddock
  

• 95b367cd
  by David Waern at 2011-12-27T14:57:29+01:00

  Update tests following version bump.
  

• fa3c94cd
  by David Waern at 2011-12-27T14:57:51+01:00

  Get rid of quite unnecessary use of different lists.
  

• 9c4d3c54
  by David Waern at 2011-12-27T15:26:42+01:00

  Cleanup.
  

• 2caf9f90
  by David Waern at 2011-12-27T16:18:05+01:00

  Wibbles.
  

• 3757d09b
  by David Waern at 2011-12-27T20:50:26+01:00

  Complete support for inferring types for top-level bindings.
  

• 53418734
  by David Waern at 2011-12-28T15:02:13+01:00

  Minor fixes and cleanup.
  

• 0c9d0385
  by Ian Lynagh at 2012-01-03T18:31:29+00:00

  Follow rename of Instance to ClsInst in GHC
  

• c9bc969a
  by Simon Hengel at 2012-01-12T21:28:14+01:00

  Make sure that generated xhtml is valid (close haskell/haddock#186)
  
  Thanks to Phyx.
  

• 836a0b9a
  by David Waern at 2012-02-01T02:30:05+01:00

  Fix bug introduced in my recent refactoring.
  

• c7d733eb
  by David Waern at 2012-02-01T02:30:26+01:00

  Cleanup mkMaps and avoid quadratic behaviour.
  

• da3cda8f
  by David Waern at 2012-02-01T02:56:56+01:00

  Require ghc >= 7.4.
  

• 83a3287e
  by David Waern at 2012-02-01T02:57:36+01:00

  Update CHANGES.
  

• 93408f0b
  by Simon Hengel at 2012-02-04T00:48:04+01:00

  Add reference renderings
  

• 49d00d2c
  by Simon Hengel at 2012-02-04T00:48:25+01:00

  Set unit tests for parser back to work
  

• eb450980
  by Simon Hengel at 2012-02-04T00:49:07+01:00

  Add .gitignore
  

• a841602c
  by Simon Hengel at 2012-02-04T00:49:16+01:00

  Add .ghci file
  

• 8861199d
  by Simon Hengel at 2012-02-04T00:49:29+01:00

  tests/html-tests/copy.hs: Use mapM_ instead of mapM
  
  So we do net get a list of () on stdout when running with runhaskell.
  

• b477d9b5
  by Simon Hengel at 2012-02-04T00:49:46+01:00

  Remove index files from golden tests
  

• 9dbda34e
  by Simon Hengel at 2012-02-04T00:49:57+01:00

  Add /tests/html-tests/tests/*index*.ref to .gitignore
  

• a9434817
  by Simon Hengel at 2012-02-04T00:50:04+01:00

  Add DocWarning to Doc
  
  The Xhtml backend has special markup for that, Hoogle and LaTeX reuse
  what we have for DocEmphasis.
  

• de2fb6fa
  by Simon Hengel at 2012-02-04T00:50:13+01:00

  Add support for module warnings
  

• 0640920e
  by Simon Hengel at 2012-02-04T00:50:21+01:00

  Add tests for module warnings
  

• 30ce0d77
  by Simon Hengel at 2012-02-04T00:50:29+01:00

  Add support for warnings
  

• bb367960
  by Simon Hengel at 2012-02-04T00:50:37+01:00

  Add tests for warnings
  

• 6af1dc2d
  by Simon Hengel at 2012-02-04T00:50:50+01:00

  Expand type signatures in export list (fixes haskell/haddock#192)
  

• a06cbf25
  by Simon Hengel at 2012-02-04T00:51:04+01:00

  Expand type signatures for modules without explicit export list
  

• 57dda796
  by Simon Hengel at 2012-02-04T00:51:15+01:00

  Remove obsolete TODO
  

• 270c3253
  by David Waern at 2012-02-04T00:51:24+01:00

  Fix issues in support for warnings.
  
  * Match against local names only.
  * Simplify (it's OK to map over the warnings).
  

• 683634bd
  by David Waern at 2012-02-04T00:55:11+01:00

  Some cleanup and make sure we filter warnings through exports.
  

• 210cb4ca
  by David Waern at 2012-02-04T03:01:30+01:00

  Merge branch 'fix-for-186' of https://github.com/sol/haddock into ghc-7.4
  

• e8db9031
  by David Waern at 2012-02-04T03:07:51+01:00

  Style police.
  

• 261f9462
  by David Waern at 2012-02-04T03:20:16+01:00

  Update tests.
  

• 823cfc7c
  by David Waern at 2012-02-04T03:21:12+01:00

  Use mapM_ in accept.hs as well.
  

• 873dd619
  by David Waern at 2012-02-04T03:21:33+01:00

  Remove copy.hs - use accept.hs instead.
  

• 0e31a14a
  by David Waern at 2012-02-04T03:47:33+01:00

  Use <> instead of mappend.
  

• 2ff7544f
  by David Waern at 2012-02-04T03:48:55+01:00

  Remove code for older ghc versions.
  

• dacf2786
  by David Waern at 2012-02-04T15:52:51+01:00

  Clean up some code from last SoC project.
  

• 00cbb117
  by David Waern at 2012-02-04T21:43:49+01:00

  Mostly hlint-inspired cleanup.
  

• 7dc86cc2
  by Simon Peyton Jones at 2012-02-06T09:14:41+00:00

  Track changes in HsDecls
  

• f91f82fe
  by Ian Lynagh at 2012-02-16T13:40:11+00:00

  Follow changes in GHC caused by the CAPI CTYPE pragma
  

• a0ea6b0b
  by Ian Lynagh at 2012-02-22T02:26:12+00:00

  Follow changes in GHC
  

• b23b07d1
  by Simon Peyton Jones at 2012-03-02T16:36:41+00:00

  Follow changes in data representation from the big PolyKinds commit
  

• 43406022
  by Simon Hengel at 2012-03-05T11:18:34+01:00

  Save/restore global state for static flags when running GHC actions
  
  This is necessary if we want to run createInterfaces (from
  Documentation.Haddock) multiple times in the same process.
  

• 9fba16fe
  by Paolo Capriotti at 2012-03-06T10:57:33+00:00

  Update .gitignore.
  

• a9325044
  by Simon Peyton Jones at 2012-03-14T17:35:42+00:00

  Follow changes to tcdKindSig (Trac haskell/haddock#5937)
  

• fd48065a
  by Iavor Diatchki at 2012-03-15T22:43:35-07:00

  Add support for type-level literals.
  

• 2e8206dd
  by Simon Peyton Jones at 2012-03-16T14:18:22+00:00

  Follow changes to tcdKindSig (Trac haskell/haddock#5937)
  

• 93e13319
  by Simon Peyton Jones at 2012-03-17T01:04:05+00:00

  Merge branch 'master' of http://darcs.haskell.org//haddock
  
  Conflicts:
  	src/Haddock/Convert.hs
  

• d253fa71
  by Iavor Diatchki at 2012-03-19T20:12:18-07:00

  Merge remote-tracking branch 'origin/master' into type-nats
  

• fc40acc8
  by Iavor Diatchki at 2012-03-19T20:31:27-07:00

  Add a missing case for type literals.
  

• fd2ad699
  by Iavor Diatchki at 2012-03-24T13:28:29-07:00

  Rename variable to avoid shadowing warning.
  

• 9369dd3c
  by Simon Peyton Jones at 2012-03-26T09:14:23+01:00

  Follow refactoring of TyClDecl/HsTyDefn
  

• 38825ca5
  by Simon Peyton Jones at 2012-03-26T09:14:37+01:00

  Merge branch 'master' of http://darcs.haskell.org//haddock
  

• 4324ac0f
  by David Waern at 2012-04-01T01:51:19+02:00

  Disable unicode test.
  

• 3165b750
  by David Waern at 2012-04-01T01:51:34+02:00

  Take reader environment directly from TypecheckedSource.
  

• 213b644c
  by David Waern at 2012-04-01T01:55:20+02:00

  Cleanup.
  

• 3118b4ba
  by David Waern at 2012-04-01T02:16:15+02:00

  Don't filter out unexported names from the four maps - fixes a regression.
  

• d6524e17
  by David Waern at 2012-04-01T02:40:34+02:00

  Fix crash when using --qual. Naughty GHC API!
  

• ea3c43d8
  by Henning Thielemann at 2012-04-01T13:03:07+02:00

  add QualOption type for distinction between qualification argument given by the user
  and the actual qualification for a concrete module

• 5422ff05
  by Henning Thielemann at 2012-04-01T16:25:02+02:00

  emit an error message when the --qual option is used incorrectly

• 026e3404
  by David Waern at 2012-04-01T18:10:30+02:00

  Don't crash on unicode strings in doc comments.
  

• ce006632
  by David Waern at 2012-04-01T20:13:35+02:00

  Add test for --ignore-all-exports flag/ignore-exports pragma.
  

• 6e4dd33c
  by David Waern at 2012-04-01T20:21:03+02:00

  Merge branch 'dev' of https://github.com/sol/haddock into ghc-7.4
  

• 734ae124
  by Henning Thielemann at 2012-04-01T20:22:10+02:00

  Merge branch 'ghc-7.4' of http://darcs.haskell.org/haddock into ghc-7.4
  

• 622f9ba5
  by David Waern at 2012-04-01T21:26:13+02:00

  Merge http://code.haskell.org/~thielema/haddock/ into ghc-7.4
  

• 55ce17cb
  by Henning Thielemann at 2012-04-01T22:03:25+02:00

  'abbreviate' qualification style - basic support
  Currently we ignore the package a module is imported from.
  This means that a module import would shadow another one
  with the same module name from a different package.

• c85314ef
  by David Waern at 2012-04-01T22:05:12+02:00

  Check qualification option before processing modules.
  

• ae4b626c
  by Henning Thielemann at 2012-04-02T00:19:36+02:00

  abbreviated qualification: use Packages.lookupModuleInAllPackages for finding the package that a module belongs to

• 60bdbcf5
  by Henning Thielemann at 2012-04-02T00:25:31+02:00

  Merge branch 'ghc-7.4' of http://darcs.haskell.org/haddock into ghc-7.4
  

• df44301d
  by Henning Thielemann at 2012-04-02T00:29:05+02:00

  qualification style 'abbreviated' -> 'aliased'
  

• f4192a64
  by David Waern at 2012-04-02T01:05:47+02:00

  Merge http://code.haskell.org/~thielema/haddock/ into ghc-7.4
  

• 7ba09067
  by David Terei at 2012-04-04T15:08:21-07:00

  Fix reporting of modules safe haskell mode (#5989)
  

• d0cc33d0
  by David Terei at 2012-04-06T15:50:41+01:00

  Fix reporting of modules safe haskell mode (#5989)
  

• 6e3434c5
  by Simon Peyton Jones at 2012-04-20T18:37:46+01:00

  Track changes in HsSyn
  

• 22014ed0
  by Simon Peyton Jones at 2012-05-11T22:45:15+01:00

  Follow changes to LHsTyVarBndrs
  

• d9a07b24
  by David Waern at 2012-05-15T01:46:35+02:00

  Merge branch 'ghc-7.4' of http://darcs.haskell.org/haddock into ghc-7.4
  

• a6c4ebc6
  by David Waern at 2012-05-16T02:18:32+02:00

  Update CHANGES.
  

• 8e181d29
  by David Waern at 2012-05-16T02:27:56+02:00

  Merge http://code.haskell.org/~thielema/haddock/ into ghc-7.4
  

• e358210d
  by David Waern at 2012-05-16T02:35:33+02:00

  Mention the new aliased --qual mode in CHANGES.
  

• efd36a28
  by David Waern at 2012-05-16T21:33:13+02:00

  Bump version number.
  

• d6b3af14
  by Simon Hengel at 2012-05-17T19:08:20+02:00

  Add test for deprecated record field
  

• 927f800e
  by Simon Hengel at 2012-05-17T19:08:20+02:00

  Use >>= instead of fmap and join
  

• 048b41d5
  by Simon Hengel at 2012-05-17T19:08:20+02:00

  newtype-wrap Doc nodes for things that may have warnings attached
  

• e3a89fc3
  by Simon Hengel at 2012-05-17T19:08:20+02:00

  Attach warnings to `Documentation` type
  

• 5d4cc43d
  by Simon Hengel at 2012-05-17T19:08:20+02:00

  Simplify lookupWarning
  

• cf8ae69d
  by Simon Hengel at 2012-05-17T19:08:20+02:00

  Add test for haskell/haddock#205
  

• cb409b19
  by Simon Peyton Jones at 2012-05-25T08:30:11+01:00

  Follow changes in LHsTyVarBndrs
  

• 2d5f4179
  by Simon Hengel at 2012-05-26T19:21:29+02:00

  Add Applicative instance for (GenRnM a)
  

• e4373060
  by Simon Hengel at 2012-05-26T19:21:33+02:00

  Use a map for warnings, as suggested by @waern
  

• 597a68c7
  by Simon Hengel at 2012-05-27T08:48:24+02:00

  Add an optional label to URLs
  

• ef1ac7fe
  by Simon Hengel at 2012-05-27T08:48:24+02:00

  Add support for hyperlink labels to parser
  

• 41f2adce
  by Simon Hengel at 2012-05-27T08:48:24+02:00

  Add golden test for hyperlinks
  

• 83d5e764
  by Simon Hengel at 2012-05-27T08:50:02+02:00

  Use LANGUAGE pragmas instead of default-extensions in cabal file
  

• ddb755e5
  by Simon Hengel at 2012-05-27T08:50:02+02:00

  Fix typo in comment
  

• 110676b4
  by Simon Hengel at 2012-05-27T08:50:02+02:00

  Add a type signature for a where-binding
  

• 7d9ba2a0
  by Ian Lynagh at 2012-06-12T14:38:01+01:00

  Follow changes in GHC
  

• 47c704f2
  by Ian Lynagh at 2012-06-12T18:52:16+01:00

  Follow changes in GHC
  

• e1efe1ab
  by Simon Peyton Jones at 2012-06-13T17:25:29+01:00

  Follow changes for the implementation of implicit parameters
  

• 69abc81c
  by Ian Lynagh at 2012-06-19T22:52:58+01:00

  Follow changes in base
  

• 9d074a21
  by Paolo Capriotti at 2012-06-22T18:26:47+01:00

  Use right docMap to get decl documentation.
  

• e3292ef6
  by Ian Lynagh at 2012-07-15T01:31:19+01:00

  Follow changes in GHC
  

• ceae56b0
  by Ian Lynagh at 2012-07-16T21:22:48+01:00

  Fix haddock following some GHC changes
  
  Passing _|_ as the Settings for defaultDynFlags no longer works well
  enough
  

• 9df72735
  by Paolo Capriotti at 2012-07-19T16:49:32+01:00

  Forward port changes from stable.
  

• 572f5fcf
  by Ian Lynagh at 2012-07-19T20:38:26+01:00

  Merge branch 'master' of darcs.haskell.org:/srv/darcs//haddock
  

• 9195aca4
  by Paolo Capriotti at 2012-07-20T10:27:28+01:00

  Update dependencies.
  

• 33db3923
  by Ian Lynagh at 2012-07-20T17:54:43+01:00

  Build with GHC 7.7
  

• 925a2cea
  by David Waern at 2012-07-23T16:50:40+02:00

  Merge branch 'dev' of https://github.com/sol/haddock into ghc-7.6
  
  Conflicts:
  	src/Haddock/InterfaceFile.hs
  

• d710ef97
  by David Waern at 2012-07-23T16:52:07+02:00

  Bump version number.
  

• eb0c2f83
  by David Waern at 2012-07-23T16:57:58+02:00

  Update CHANGES.
  

• b3f56943
  by Roman Cheplyaka at 2012-07-27T13:00:13+03:00

  Hide "internal" instances
  
  This fixes haskell/haddock#37 (http://trac.haskell.org/haddock/ticket/37)
  
  Precisely, we show an instance iff its class and all the types are exported by
  non-hidden modules.
  

• a70aa412
  by Roman Cheplyaka at 2012-07-27T13:00:13+03:00

  Tests for hiding instances (#37)
  

• c0f4aa58
  by Simon Hengel at 2012-07-27T13:00:13+03:00

  Add an other test for hiding instances (#37)
  

• a7ed6268
  by Ian Lynagh at 2012-08-07T14:48:13+01:00

  Follow changes in GHC
  

• 0ab30d38
  by Ian Lynagh at 2012-08-13T22:12:27+01:00

  Improve haddock memory usage
  

• 0eaa4e30
  by Ian Lynagh at 2012-08-13T23:58:46+01:00

  Improve haddock memory usage
  

• 659d26cf
  by Ian Lynagh at 2012-08-14T13:16:48+01:00

  Remove some temporary pragmas I accidentally recorded
  

• d97fceb6
  by Simon Hengel at 2012-08-25T13:19:34+02:00

  Add missing dependency to library
  

• 4c910697
  by Simon Hengel at 2012-08-28T07:39:14+02:00

  Move .ghci to project root
  

• fc3c601a
  by Simon Hengel at 2012-08-28T07:39:14+02:00

  accept.hs: Ignore some files
  

• 1af9b984
  by Simon Hengel at 2012-08-28T07:40:04+02:00

  Update reference renderings (bump version)
  

• 980dc253
  by Simon Hengel at 2012-08-28T07:40:32+02:00

  Update reference renderings (remove links for ())
  

• 33651dbf
  by Simon Hengel at 2012-08-28T07:41:50+02:00

  Update documentation of `runInteractiveProcess` in reference rendering
  

• 7ab25078
  by David Waern at 2012-09-07T10:38:50+02:00

  Merge branch 'hiddenInstances2' of http://github.com/feuerbach/haddock into ghc-7.6
  

• c3de3a4b
  by David Waern at 2012-09-07T14:29:27+02:00

  Follow changes in GHC.
  

• 298c43ac
  by David Waern at 2012-09-07T14:59:24+02:00

  Update CHANGES.
  

• e797993a
  by David Waern at 2012-09-07T15:21:30+02:00

  Update ANNOUNCE.
  

• d0b44790
  by David Waern at 2012-09-07T15:22:43+02:00

  Merge branch 'hidden-instances' into ghc-7.6
  

• 41a4adc8
  by Simon Hengel at 2012-09-08T12:08:37+02:00

  Update doc/README
  

• 71ad1040
  by Simon Hengel at 2012-09-08T12:17:17+02:00

  Add documentation for URL labels
  

• 9bb41afd
  by Simon Peyton Jones at 2012-09-20T18:14:26+01:00

  Follow data type changes in the tc-untouchables branch
  
  Relating entirely to SynTyConRhs
  

• b8139bfa
  by Simon Hengel at 2012-09-21T14:24:16+02:00

  Disable Unicode test for now
  

• a5fafdd7
  by Simon Hengel at 2012-09-21T14:35:45+02:00

  Update TypeOperators test for GHC 7.6.1
  
  Type operators can't be used as type variables anymore!
  

• 6ccf0025
  by Simon Hengel at 2012-09-21T16:02:24+02:00

  Remove (Monad (Either e)) instance from ref. rendering of CrossPackageDocs
  
  I do not really understand why the behavior changed, so I'll open a
  ticket, so that we can further investigate.
  

• b5c6c138
  by Ian Lynagh at 2012-09-27T02:00:57+01:00

  Follow changes in GHC build system
  

• b98eded0
  by David Waern at 2012-09-27T15:37:02+02:00

  Merge branch 'ghc-7.6' of http://darcs.haskell.org/haddock into ghc-7.6
  

• 76cc2051
  by David Waern at 2012-09-27T15:48:19+02:00

  Update hidden instances tests.
  

• aeaa1c59
  by David Waern at 2012-09-28T10:21:32+02:00

  Make API buildable with GHC 7.6.
  

• d76be1b0
  by Simon Peyton Jones at 2012-09-28T15:57:05+01:00

  Merge remote-tracking branch 'origin/master' into tc-untouchables
  

• a1922af8
  by David Waern at 2012-09-28T19:50:20+02:00

  Fix spurious superclass constraints bug.
  

• bc41bdbb
  by Simon Hengel at 2012-10-01T11:30:51+02:00

  Remove old examples
  

• bed7d3dd
  by Simon Hengel at 2012-10-01T11:30:51+02:00

  Adapt parsetests for GHC 7.6.1
  

• dcdb22bb
  by Simon Hengel at 2012-10-01T11:30:51+02:00

  Add test-suite section for parsetests to cabal file
  
  + get rid of HUnit dependency
  

• 1e5263c9
  by Simon Hengel at 2012-10-01T11:30:51+02:00

  Remove test flag from cabal file
  
  This was not really used.
  

• 4beee98b
  by David Waern at 2012-09-28T23:42:28+02:00

  Merge branch 'ghc-7.6' of http://darcs.haskell.org/haddock into ghc-7.6
  

• 11dd2256
  by Ian Lynagh at 2012-10-03T16:17:35+01:00

  Follow change in GHC build system
  

• fbd77962
  by Simon Hengel at 2012-10-03T18:49:40+02:00

  Remove redundant dependency from cabal file
  

• 09218989
  by Simon Hengel at 2012-10-04T16:03:05+02:00

  Fix typo
  

• 93a2d5f9
  by Simon Hengel at 2012-10-04T16:11:41+02:00

  Remove trailing whitespace from cabal file
  

• c8b46cd3
  by Simon Hengel at 2012-10-04T16:12:17+02:00

  Export Haddock's main entry point from library
  

• b411e77b
  by Simon Hengel at 2012-10-04T16:29:46+02:00

  Depend on library for executable
  
  The main motivation for this is to increase build speed.  In GHC's
  source tree the library is not build, but all modules are now required
  for the executable, so that GHC's validate will now detect build
  failures for the library.
  

• f8f0979f
  by Simon Hengel at 2012-10-05T00:32:57+02:00

  Set executable flag for Setup.lhs
  

• dd045998
  by Simon Hengel at 2012-10-07T16:44:06+02:00

  Extend rather than set environment when running HTML tests
  
  On some platforms (e.g. ppc64) GHC requires gcc in the path.
  

• 7b39c3ae
  by Simon Hengel at 2012-10-07T17:05:45+02:00

  cross-package test: re-export IsString instead of Monad
  
  There is a monad instance for Q, which is not available on platforms
  that do not have GHCi support.  This caused CrossPackageDocs to fail on
  those platforms.  Re-exporting IsString should test the same thing, but
  it works on all platforms.
  

• 0700c605
  by Simon Hengel at 2012-10-07T19:06:34+02:00

  runtests.hs: Fix some warnings
  

• f78eca79
  by Simon Hengel at 2012-10-07T19:06:34+02:00

  runtests.hs: Make -Wall proof
  

• 6beec041
  by Simon Hengel at 2012-10-07T19:06:34+02:00

  runtests.hs: Use listToMaybe/fromMaybe instead of safeHead/maybe
  

• 44b8ce86
  by Ian Lynagh at 2012-10-08T21:59:46+01:00

  Follow changes in GHC
  

• 6da5f702
  by Simon Hengel at 2012-10-09T11:16:19+02:00

  Update .ghci
  

• 9ac1a1b9
  by Kazu Yamamoto at 2012-10-09T12:45:31+02:00

  Add markup support for properties
  

• 1944cb42
  by Simon Hengel at 2012-10-09T12:45:31+02:00

  Simplify lexing/parsing of properties
  
  In contrast to what we do for examples, we do not really need to capture
  the "prompt" here.
  

• bffd8e62
  by Simon Hengel at 2012-10-09T13:40:14+02:00

  Add HTML test for properties
  

• 2fe9c5cb
  by Simon Hengel at 2012-10-09T13:40:21+02:00

  Add unit tests for properties
  

• 874e361b
  by Simon Hengel at 2012-10-09T13:40:33+02:00

  Bump interface version
  

• 2506cc37
  by Simon Hengel at 2012-10-09T15:15:04+02:00

  Fix parser bug
  

• 743d2b7d
  by Simon Hengel at 2012-10-09T15:31:06+02:00

  Allow to load interface files with compatible versions
  

• 981a1660
  by Simon Hengel at 2012-10-10T10:32:05+02:00

  Export more types from Documentation.Haddock (fixes haskell/haddock#216)
  

• dff7dc76
  by Simon Hengel at 2012-10-10T11:15:19+02:00

  Update ANNOUNCE and CHANGES
  

• edd2bb01
  by Simon Hengel at 2012-10-10T11:22:50+02:00

  Bump version
  

• 5039163b
  by Simon Hengel at 2012-10-10T13:56:04+02:00

  Fix typo in documentation
  

• e4ce34da
  by Simon Hengel at 2012-10-10T14:28:35+02:00

  Add documentation for properties
  

• 9555ebca
  by Simon Hengel at 2012-10-11T10:49:04+02:00

  Remove redundant if-defs, more source documentation
  

• 87aa67e1
  by Simon Hengel at 2012-10-11T12:32:51+02:00

  Adapt cabal file
  

• c44c1dee
  by Simon Hengel at 2012-10-11T12:41:58+02:00

  Require ghc 7.6
  

• 8383bc34
  by Simon Hengel at 2012-10-11T12:50:24+02:00

  Bump version
  

• 1030eb38
  by Simon Hengel at 2012-10-11T12:55:44+02:00

  Update ANNOUNCE and CHANGES
  

• 74955088
  by Simon Hengel at 2012-10-12T09:49:31+02:00

  Improve note about `binaryInterfaceVersion` (thanks David)
  

• ee30f6b7
  by Simon Hengel at 2012-10-13T13:40:59+02:00

  Update version in html tests, rpm spec file, and user manual
  

• f2861f18
  by Simon Hengel at 2012-10-13T14:40:33+02:00

  Remove unused MonadFix constraint
  

• dfdf1a74
  by Simon Hengel at 2012-10-13T15:15:38+02:00

  Minor code simplification
  

• 4ecd1e70
  by Simon Hengel at 2012-10-13T15:33:43+02:00

  Increase code locality
  

• f7df5cc9
  by Simon Hengel at 2012-10-13T16:03:12+02:00

  Minor code simplification
  

• e737eb6e
  by Simon Hengel at 2012-10-13T19:03:04+02:00

  Handle HsExplicitListTy in renameer (fixes haskell/haddock#213)
  

• c2dc8f17
  by Simon Hengel at 2012-10-13T20:46:31+02:00

  Better error messages
  

• 14d48b4c
  by Simon Hengel at 2012-10-14T00:21:07+02:00

  Simplify RnM type
  

• 6c2cc547
  by Simon Hengel at 2012-10-14T00:23:35+02:00

  Simplify lookupRn
  

• bc77ce85
  by Simon Hengel at 2012-10-14T01:51:32+02:00

  Organize unite tests hierarchically
  

• 2306d117
  by Simon Hengel at 2012-10-14T10:34:58+02:00

  Handle more cases in renameType
  

• 8a864203
  by Simon Hengel at 2012-10-14T11:47:59+02:00

  Add mini_HiddenInstances.html.ref and mini_HiddenInstancesB.html.ref
  

• 3a978eca
  by Simon Hengel at 2012-10-14T11:49:28+02:00

  Add /tests/html-tests/output/ to .gitignore
  

• db18888a
  by Simon Hengel at 2012-10-14T13:38:21+02:00

  Allow haddock markup in deprecation messages
  

• e7cfee9f
  by Simon Hengel at 2012-10-14T14:00:23+02:00

  If parsing of deprecation message fails, include it verbatim
  

• 242a85be
  by Simon Hengel at 2012-10-14T14:13:24+02:00

  Add description for PruneWithWarning test
  

• 43d33df1
  by Simon Hengel at 2012-10-14T15:40:53+02:00

  Minor formatting change
  

• 22768c44
  by Simon Hengel at 2012-10-14T16:03:43+02:00

  Properly handle deprecation messages for re-exported things (fixes haskell/haddock#220)
  

• cb4b9111
  by Simon Hengel at 2012-10-14T17:30:28+02:00

  Add build artifacts for documentation to .gitignore
  

• 854cd8de
  by Simon Hengel at 2012-10-14T23:34:51+02:00

  unit-tests: Improve readability
  
  Add IsString instance for (Doc RdrName) + use <> instead of DocAppend.
  

• c4446d54
  by Simon Hengel at 2012-10-14T23:37:21+02:00

  unit-tests: Minor refactoring
  
  Rename parse to parseParas.
  

• 04f2703c
  by Simon Hengel at 2012-10-15T00:36:42+02:00

  Fix typo
  

• 3d109e44
  by Simon Hengel at 2012-10-15T10:30:07+02:00

  Add description for DeprecatedReExport test
  

• 84f0985c
  by Simon Hengel at 2012-10-15T14:54:19+02:00

  Move resources to /resources directory
  

• a5de7ca6
  by Simon Hengel at 2012-10-15T15:46:18+02:00

  Move HTML tests to directory /html-test/
  

• e21f727d
  by Simon Hengel at 2012-10-15T19:32:42+02:00

  Move HTML reference renderings to /html-test/ref/
  

• 3a3c6c75
  by Simon Hengel at 2012-10-15T19:32:42+02:00

  Copy css, images, etc. on accept
  

• 40ead6dc
  by Simon Hengel at 2012-10-15T19:32:42+02:00

  Move unit tests to /test directory
  

• 99a28231
  by Simon Hengel at 2012-10-15T19:32:42+02:00

  Fix Setup.lhs
  
  /usr/bin/runhaskell is not installed on all systems.
  

• 95faf45e
  by Simon Hengel at 2012-10-15T19:32:42+02:00

  Make test management scripts more robust
  
   * They are now independent from the current directory, and hence can be
     called from everywhere
  
   * On UNIX/Linux they can now be run as scripts
  

• 027aaa2d
  by Simon Hengel at 2012-10-15T19:53:40+02:00

  Add 'dev' flag to cabal file, that builds without -O2
  
  That way --disable-optimization can be used, which decreases build time
  considerably.
  

• e0266ede
  by Simon Hengel at 2012-10-15T20:03:43+02:00

  Add test case for "spurious superclass constraints bug"
  

• 52a2aa92
  by Simon Hengel at 2012-10-15T20:28:55+02:00

  Adapt accept.lhs, so that it ignores more index files
  

• 53530781
  by Simon Hengel at 2012-10-15T20:49:39+02:00

  Rename html-test/runtests.lhs to html-test/run.lhs
  

• 84518797
  by Simon Hengel at 2012-10-15T20:49:39+02:00

  Move source files for HTML tests to html-test/src
  

• a911dc6c
  by Simon Hengel at 2012-10-15T20:49:39+02:00

  Adapt output directory for HTML tests
  

• d3c15857
  by Ian Lynagh at 2012-10-16T16:54:43+01:00

  Follow dopt->gopt rename
  

• 956665a5
  by Simon Hengel at 2012-10-18T08:42:48+02:00

  Update html-test/README
  

• 903b1029
  by Simon Hengel at 2012-10-18T08:50:26+02:00

  Use markdown for html-test/README
  

• 150b4d63
  by Ian Lynagh at 2012-10-18T16:36:00+01:00

  Follow changes in GHC: 'flags' has been renamed 'generalFlags'
  

• 41e04ff9
  by Simon Hengel at 2012-11-28T09:54:35+01:00

  Export missing types from Documentation.Haddock
  

• 9be59237
  by Ian Lynagh at 2012-11-30T23:20:47+00:00

  Update dependencies
  

• e06842f5
  by Simon Hengel at 2012-12-07T20:58:05+01:00

  Bump version
  

• e3dbede0
  by Simon Hengel at 2012-12-07T20:58:05+01:00

  Add missing test files to cabal file (fixes haskell/haddock#230)
  

• ee0dcca7
  by Simon Hengel at 2012-12-07T20:58:05+01:00

  Update CHANGES
  

• 51601bdb
  by Simon Peyton Jones at 2012-12-19T17:28:35+00:00

  Track changes in UNPACK pragma stuff
  

• f2573bc1
  by Richard Eisenberg at 2012-12-21T20:56:25-05:00

  Implement overlapping type family instances.
  
  An ordered, overlapping type family instance is introduced by 'type
  instance
  where', followed by equations. See the new section in the user manual
  (7.7.2.2) for details. The canonical example is Boolean equality at the
  type
  level:
  
  type family Equals (a :: k) (b :: k) :: Bool
  type instance where
    Equals a a = True
    Equals a b = False
  
  A branched family instance, such as this one, checks its equations in
  order
  and applies only the first the matches. As explained in the note
  [Instance
  checking within groups] in FamInstEnv.lhs, we must be careful not to
  simplify,
  say, (Equals Int b) to False, because b might later unify with Int.
  
  This commit includes all of the commits on the overlapping-tyfams
  branch. SPJ
  requested that I combine all my commits over the past several months
  into one
  monolithic commit. The following GHC repos are affected: ghc, testsuite,
  utils/haddock, libraries/template-haskell, and libraries/dph.
  
  Here are some details for the interested:
  
  - The definition of CoAxiom has been moved from TyCon.lhs to a
    new file CoAxiom.lhs. I made this decision because of the
    number of definitions necessary to support BranchList.
  
  - BranchList is a GADT whose type tracks whether it is a
    singleton list or not-necessarily-a-singleton-list. The reason
    I introduced this type is to increase static checking of places
    where GHC code assumes that a FamInst or CoAxiom is indeed a
    singleton. This assumption takes place roughly 10 times
    throughout the code. I was worried that a future change to GHC
    would invalidate the assumption, and GHC might subtly fail to
    do the right thing. By explicitly labeling CoAxioms and
    FamInsts as being Unbranched (singleton) or
    Branched (not-necessarily-singleton), we make this assumption
    explicit and checkable. Furthermore, to enforce the accuracy of
    this label, the list of branches of a CoAxiom or FamInst is
    stored using a BranchList, whose constructors constrain its
    type index appropriately.
  
  I think that the decision to use BranchList is probably the most
  controversial decision I made from a code design point of view.
  Although I provide conversions to/from ordinary lists, it is more
  efficient to use the brList... functions provided in CoAxiom than
  always to convert. The use of these functions does not wander far
  from the core CoAxiom/FamInst logic.
  
  BranchLists are motivated and explained in the note [Branched axioms] in
  CoAxiom.lhs.
  
  - The CoAxiom type has changed significantly. You can see the new
    type in CoAxiom.lhs. It uses a CoAxBranch type to track
    branches of the CoAxiom. Correspondingly various functions
    producing and consuming CoAxioms had to change, including the
    binary layout of interface files.
  
  - To get branched axioms to work correctly, it is important to have a
    notion
    of type "apartness": two types are apart if they cannot unify, and no
    substitution of variables can ever get them to unify, even after type
  family
    simplification. (This is different than the normal failure to unify
  because
    of the type family bit.) This notion in encoded in tcApartTys, in
  Unify.lhs.
    Because apartness is finer-grained than unification, the tcUnifyTys
  now
    calls tcApartTys.
  
  - CoreLinting axioms has been updated, both to reflect the new
    form of CoAxiom and to enforce the apartness rules of branch
    application. The formalization of the new rules is in
    docs/core-spec/core-spec.pdf.
  
  - The FamInst type (in types/FamInstEnv.lhs) has changed
    significantly, paralleling the changes to CoAxiom. Of course,
    this forced minor changes in many files.
  
  - There are several new Notes in FamInstEnv.lhs, including one
    discussing confluent overlap and why we're not doing it.
  
  - lookupFamInstEnv, lookupFamInstEnvConflicts, and
    lookup_fam_inst_env' (the function that actually does the work)
    have all been more-or-less completely rewritten. There is a
    Note [lookup_fam_inst_env' implementation] describing the
    implementation. One of the changes that affects other files is
    to change the type of matches from a pair of (FamInst, [Type])
    to a new datatype (which now includes the index of the matching
    branch). This seemed a better design.
  
  - The TySynInstD constructor in Template Haskell was updated to
    use the new datatype TySynEqn. I also bumped the TH version
    number, requiring changes to DPH cabal files. (That's why the
    DPH repo has an overlapping-tyfams branch.)
  
  - As SPJ requested, I refactored some of the code in HsDecls:
  
   * splitting up TyDecl into SynDecl and DataDecl, correspondingly
     changing HsTyDefn to HsDataDefn (with only one constructor)
  
   * splitting FamInstD into TyFamInstD and DataFamInstD and
     splitting FamInstDecl into DataFamInstDecl and TyFamInstDecl
  
   * making the ClsInstD take a ClsInstDecl, for parallelism with
     InstDecl's other constructors
  
   * changing constructor TyFamily into FamDecl
  
   * creating a FamilyDecl type that stores the details for a family
     declaration; this is useful because FamilyDecls can appear in classes
  but
     other decls cannot
  
   * restricting the associated types and associated type defaults for a
   * class
     to be the new, more restrictive types
  
   * splitting cid_fam_insts into cid_tyfam_insts and cid_datafam_insts,
     according to the new types
  
   * perhaps one or two more that I'm overlooking
  
  None of these changes has far-reaching implications.
  
  - The user manual, section 7.7.2.2, is updated to describe the new type
    family
    instances.
  

• f788d0fb
  by Simon Peyton Jones at 2012-12-23T15:49:58+00:00

  Track changes in HsBang
  

• ca460a0c
  by Simon Peyton Jones at 2012-12-23T15:50:28+00:00

  Merge branch 'master' of http://darcs.haskell.org//haddock
  

• f078fea6
  by Simon Peyton Jones at 2013-01-02T08:33:13+00:00

  Use InstEnv.instanceSig rather than instanceHead (name change)
  

• 88e41305
  by Simon Peyton Jones at 2013-01-14T17:10:27+00:00

  Track change to HsBang type
  

• e1ad4e19
  by Kazu Yamamoto at 2013-02-01T11:59:24+09:00

  Merge branch 'ghc-7.6' into ghc-7.6-merge-2
  
  Conflicts:
  	haddock.cabal
  	src/Haddock/Interface/AttachInstances.hs
  	src/Haddock/Interface/Create.hs
  	src/Haddock/Interface/LexParseRn.hs
  	src/Haddock/InterfaceFile.hs
  	src/Haddock/Types.hs
  
  Only GHC HEAD can compile this. GHC 7.6.x cannot compile this.
  
  Some test fail.
  

• 62bec012
  by Kazu Yamamoto at 2013-02-06T11:12:28+09:00

  Using tcSplitSigmaTy in instanceHead' (FIXME is resolved.)
  

• 013fd2e4
  by Kazu Yamamoto at 2013-02-06T17:56:21+09:00

  Refactoring instanceHead'.
  

• 3148ce0e
  by Kazu Yamamoto at 2013-02-07T17:45:10+09:00

  Using new syntax in html-test/src/GADTRecords.hs.
  

• 626dabe7
  by Gabor Greif at 2013-02-15T22:42:01+01:00

  Typo
  

• 1eb667ae
  by Ian Lynagh at 2013-02-16T17:02:07+00:00

  Follow changes in base
  

• 3ef8253a
  by Ian Lynagh at 2013-03-01T23:23:57+00:00

  Follow changes in GHC's build system
  

• 1a265a3c
  by Ian Lynagh at 2013-03-03T23:12:07+00:00

  Follow changes in GHC build system
  

• 69941c79
  by Max Bolingbroke at 2013-03-10T09:38:28-07:00

  Use Alex 3's Unicode support to properly lex source files as UTF-8
  
  Signed-off-by: David Waern <david.waern@gmail.com>
  

• ea687dad
  by Simon Peyton Jones at 2013-03-15T14:16:10+00:00

  Adapt to tcRnGetInfo returning family instances too
  
  This API change was part of the fix to Trac haskell/haddock#4175.  But it offers new
  information to Haddock: the type-family instances, as well as the
  class instances, of this type.
  
  This patch just drops the new information on the floor, but there's an
  open opportunity to use it in the information that Haddock displays.
  

• 971a30b0
  by Andreas Voellmy at 2013-05-19T20:47:39+01:00

  Fix for haskell/haddock#7879.
  
  Changed copy of utils/haddock/html/resources/html to use "cp -RL" rather than "cp -R". This allows users to run validate in a build tree, where the build tree was setup using lndir with a relative path to the source directory.
  

• 31fb7694
  by Ian Lynagh at 2013-05-19T20:47:49+01:00

  Use "cp -L" when making $(INPLACE_LIB)/latex too
  

• e9952233
  by Simon Hengel at 2013-06-01T18:06:50+02:00

  Add -itest to .ghci
  

• b06873b3
  by Mateusz Kowalczyk at 2013-06-01T18:06:50+02:00

  Workaround for a failing build with --enable-tests.
  

• e7858d16
  by Simon Hengel at 2013-06-01T19:29:28+02:00

  Fix broken test
  

• 0690acb1
  by Richard Eisenberg at 2013-06-21T14:08:25+01:00

  Updates to reflect changes in HsDecls to support closed type families.
  

• 7fd347ec
  by Simon Hengel at 2013-07-08T10:28:48+02:00

  Fix failing test
  

• 53ed81b6
  by Simon Hengel at 2013-07-08T10:28:48+02:00

  Fix failing test
  

• 931c4f4f
  by Richard Eisenberg at 2013-07-24T13:15:59+01:00

  Remove (error "synifyKind") to use WithinType, to allow haddock to process base.
  

• 55a9c804
  by Richard Eisenberg at 2013-08-02T15:54:55+01:00

  Changes to reflect changes in GHC's type HsTyVarBndr
  

• b6e9226c
  by Mathieu Boespflug at 2013-08-04T10:39:43-07:00

  Output Copright and License keys in Xhtml backend.
  
  This information is as relevant in the documentation as it is in the
  source files themselves.
  
  Signed-off-by: David Waern <david.waern@gmail.com>
  

• 4c66028a
  by David Waern at 2013-08-04T15:27:36-07:00

  Bump interface file version.
  

• 67340163
  by David Waern at 2013-08-09T16:12:51-07:00

  Update tests.
  

• 2087569b
  by Mateusz Kowalczyk at 2013-08-25T09:24:13+02:00

  Add spec tests.
  
  This adds tests for all elements we can create during regular
  parsing. This also adds tests for text with unicode in it.
  

• 97f36a11
  by Mateusz Kowalczyk at 2013-08-27T06:59:12+01:00

  Fix ticket haskell/haddock#247.
  
  I do the same thing that the XHTML backend does: give these no special
  treatment and just act as if they are regular functions.
  

• 60681b4f
  by Mateusz Kowalczyk at 2013-08-27T21:22:48+02:00

  LaTeX tests setup
  

• fa4c27b2
  by Mateusz Kowalczyk at 2013-09-02T23:21:43+01:00

  Fixes haskell/haddock#253
  

• 1a202490
  by Mateusz Kowalczyk at 2013-09-03T01:12:50+01:00

  Use Hspec instead of nanospec
  
  This is motivated by the fact that Haddock tests are not ran by the
  GHC's ‘validate’ script so we're pretty liberal on dependencies in that
  area. Full Hspec gives us some nice features such as Quickcheck integration.
  

• 8cde3b20
  by David Luposchainsky at 2013-09-08T07:27:28-05:00

  Fix AMP warnings
  
  Signed-off-by: Austin Seipp <aseipp@pobox.com>
  

• d10661f2
  by Herbert Valerio Riedel at 2013-09-11T15:15:01+02:00

  Update Git repo URL in `.cabal` file
  

• 16a44eb5
  by Richard Eisenberg at 2013-09-17T09:34:26-04:00

  Revision to reflect new role annotation syntax in GHC.
  

• 4b9833b9
  by Herbert Valerio Riedel at 2013-09-18T10:15:28+02:00

  Add missing `traverse` method for `GenLocated`
  
  As `Traversable` needs at least one of `traverse` or `sequenceA` to be
  overridden.
  
  Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
  

• b71fed5d
  by Simon Hengel at 2013-09-18T22:43:34+02:00

  Add test helper
  

• 4fc1ea86
  by Mateusz Kowalczyk at 2013-09-18T22:43:34+02:00

  Fixes haskell/haddock#231
  

• 435872f6
  by Mateusz Kowalczyk at 2013-09-18T22:43:34+02:00

  Fixes haskell/haddock#256
  
  We inject -dynamic-too into flags before we run all our actions in the
  GHC monad.
  

• b8b24abb
  by Mateusz Kowalczyk at 2013-09-18T22:43:35+02:00

  Add new field to DynFlags
  

• 49558795
  by Simon Hengel at 2013-09-18T22:43:35+02:00

  Fallback to ./resources when Cabal data is not found
  
  (so that themes are found during development)
  

• bf79d05c
  by Mateusz Kowalczyk at 2013-09-18T22:43:35+02:00

  Fixes haskell/haddock#5
  

• e1baebc2
  by Mateusz Kowalczyk at 2013-09-18T22:43:35+02:00

  Print missing documentation. Fixes haskell/haddock#258.
  

• 02ea74de
  by Austin Seipp at 2013-10-09T10:52:22-05:00

  Don't consider StaticFlags when parsing arguments.
  
  Instead, discard any static flags before parsing the command line using
  GHC's DynFlags parser.
  
  See http://ghc.haskell.org/trac/ghc/ticket/8276
  
  Based off a patch from Simon Hengel.
  
  Signed-off-by: Austin Seipp <austin@well-typed.com>
  

• 704fd5bb
  by Simon Hengel at 2013-11-09T00:15:13+01:00

  Update HTML tests
  

• f9fed49e
  by Simon Hengel at 2013-11-10T18:43:58+01:00

  Bump version
  

• 97ae1999
  by Simon Peyton Jones at 2013-11-25T17:25:14+00:00

  Track changes in HsSpliceTy data constructor
  

• 59ad8268
  by Simon Peyton Jones at 2014-01-10T18:17:43+00:00

  Adapt to small change in Pretty's exports
  

• 8b12e6aa
  by Simon Hengel at 2014-01-12T14:48:35-06:00

  Some code simplification by using traverse
  

• fc5ea9a2
  by Simon Hengel at 2014-01-12T14:48:35-06:00

  Fix warnings in test helper
  

• 6dbb3ba5
  by Mateusz Kowalczyk at 2014-01-12T14:48:35-06:00

  Add ByteString version of Attoparsec
  

• 968d7774
  by Mateusz Kowalczyk at 2014-01-12T14:48:35-06:00

  One pass parser and tests.
  
  We remove the HTML test as it is no longer necessary. We cover the
  test case in spec tests and other HTML tests but keeping this around
  fails: this is because the new parser has different semantics there.
  In fact, I suspect the original behaviour was a bug that wasn't
  caught/fixed but simply included as-is during the testing.
  

• 37a07c9c
  by Simon Hengel at 2014-01-12T14:48:35-06:00

  Rename Haddock.ParseSpec to Haddock.ParserSpec
  

• f0f68fe9
  by Simon Hengel at 2014-01-12T14:48:35-06:00

  Don't append newline to parseString input
  
  We also check that we have parsed everything with endOfInput.
  

• 95d60093
  by Simon Hengel at 2014-01-12T14:48:35-06:00

  Fix totality, unicode, examples, paragraph parsing
  
  Also simplify specs and parsers while we're at it. Some parsers were
  made more generic.
  
  This commit is a part of GHC pre-merge squash, email
  fuuzetsu@fuuzetsu.co.uk if you need the full commit history.
  

• 7d99108c
  by Simon Hengel at 2014-01-12T14:48:35-06:00

  Update acceptance tests
  

• d1b59640
  by Mateusz Kowalczyk at 2014-01-12T14:48:35-06:00

  Support for bold.
  
  Conflicts:
  	src/Haddock/Backends/Hoogle.hs
  	src/Haddock/Interface/Rename.hs
  	src/Haddock/Parser.hs
  

• 4b412b39
  by Mateusz Kowalczyk at 2014-01-12T14:48:35-06:00

  Allow for headings inside function documentation.
  
  LaTeX will treat the h3-h6 headings the same as we'd have to hack the
  style file heavily otherwise and it would make the headings tiny
  anyway.
  
  Hoogle upstream said they will put in the functionality on their end.
  
  Conflicts:
  	src/Haddock/Interface/Rename.hs
  	src/Haddock/Types.hs
  	test/Haddock/ParserSpec.hs
  

• fdcca428
  by Mateusz Kowalczyk at 2014-01-12T14:48:35-06:00

  Per-module extension flags and language listing.
  
  Any extensions that are not enabled by a used language (Haskell2010
  &c) will be shown. Furthermore, any implicitly enabled are also going
  to be shown. While we could eliminate this either by using the GHC API
  or a dirty hack, I opted not to: if a user doesn't want the implied
  flags to show, they are recommended to use enable extensions more
  carefully or individually. Perhaps this will encourage users to not
  enable the most powerful flags needlessly. Enabled with show-extensions.
  
  Conflicts:
  	src/Haddock/InterfaceFile.hs
  

• 368942a2
  by Mateusz Kowalczyk at 2014-01-12T14:48:36-06:00

  Bump interface version
  
  There were some breaking changes over the last few patches so we bump
  the interface version. This causes a big problem with testing:
  
  1. To generate cross package docs, we first need to generate docs for
  the package used.
  2. To generate package docs with new interface version, we need to use
  Haddock which has the version bumped.
  3. To get Haddock with the version bump, we first need to test cross
  package docs
  4. GOTO 1
  
  So the problem is the chicken and the egg problem. It seems that the
  only solution would be to generate some interface files on the fly but
  it is non-trivial.
  
  To run this test, you'll have to:
  
  * build Haddock without the test (make sure everything else passes)
  * rebuild the packages used in the test with your shiny new binary
    making sure they are visible to Haddock
  * remove the ‘_hidden’ suffix and re-run the tests
  
  Note: because the packages currently used for this test are those
  provided by GHC, it's probably non-trivial to just re-build them.
  Preferably something less tedious to rebuild should be used and
  something that is not subject to change.
  

• 124ae7a9
  by Mateusz Kowalczyk at 2014-01-12T14:48:36-06:00

  Allow for nesting of paragraphs under lists.
  
  The nesting rules are similar to Markdown's with the exception that we
  can not simply indent the first line of a hard wrapped indented
  paragraph and have it treated as if it was fully indented. The reason is
  differences in markup as some of our constructs care about whitespace
  while others just swallow everything up so it's just a lot easier to not
  bother with it rather than making arbitrary rules.
  
  Note that we now drop trailing for string entities inside of lists. They
  weren't needed and it makes the output look uniform whether we use a
  single or double newline between list elements.
  
  Conflicts:
  	src/Haddock/Parser.hs
  	test/Haddock/ParserSpec.hs
  

• c7913535
  by Mateusz Kowalczyk at 2014-01-12T14:48:36-06:00

  Allow escaping in URLs and pictures.
  
  Some tests were moved under parseString as they weren't about paragraph
  level markup.
  
  Conflicts:
  	src/Haddock/Parser.hs
  	test/Haddock/ParserSpec.hs
  

• 32326680
  by Mateusz Kowalczyk at 2014-01-12T14:48:36-06:00

  Update documentation.
  

• fbef6406
  by Mateusz Kowalczyk at 2014-01-12T14:48:36-06:00

  Update maintainer
  

• b40e82f4
  by Mateusz Kowalczyk at 2014-01-13T02:39:25-06:00

  Fixes haskell/haddock#271
  
  Signed-off-by: Austin Seipp <austin@well-typed.com>
  

• f4eafbf8
  by Gergő Érdi at 2014-01-19T15:35:16-06:00

  Support for -XPatternSynonyms
  
  Signed-off-by: Austin Seipp <austin@well-typed.com>
  

• a8939591
  by Austin Seipp at 2014-01-29T08:09:04-06:00

  Update CPP check for __GLASGOW_HASKELL__
  
  Signed-off-by: Austin Seipp <austin@well-typed.com>
  

• 30d7e9d5
  by Gergő Érdi at 2014-01-31T00:15:01+08:00

  <+>: Don't insert a space when concatenating empty nodes
  

• a25ccd4d
  by Mateusz Kowalczyk at 2014-01-30T17:22:34+01:00

  Fix @ code blocks
  
  In cases where we had some horizontal space before the closing ‘@’, the
  parser would not accept the block as a code block and we'd get ugly
  output.
  

• 0f67305a
  by Mateusz Kowalczyk at 2014-01-30T17:22:34+01:00

  Update tests
  
  This updates tests due to Haddock Trac haskell/haddock#271 fix and due to removal of
  TypeHoles as an extension from GHC.
  

• 157322a7
  by Gergő Érdi at 2014-01-31T01:03:17+08:00

  Handle infix vs prefix names correctly everywhere, by explicitly specifying the context
  
  The basic idea is that "a" and "+" are either pretty-printed as "a" and "(+)"  or "`a`" and "+"
  

• aa6d9685
  by Mateusz Kowalczyk at 2014-01-30T17:21:50+00:00

  Correct whitespace in ‘hidden’ test for <+> change
  

• 121872f0
  by Mateusz Kowalczyk at 2014-02-09T17:59:12+00:00

  Document module header.
  
  Fixes Haddock Trac haskell/haddock#270.
  

• e3253746
  by Mateusz Kowalczyk at 2014-02-10T21:37:48+00:00

  Insert a space between module link and description
  
  Fixes Haddock Trac haskell/haddock#277.
  

• 771d2384
  by Mateusz Kowalczyk at 2014-02-10T23:27:21+00:00

  Ensure a space between type signature and ‘Source’
  
  This is briefly related to Haddock Trac haskell/haddock#249 and employs effectively the
  suggested fix _but_ it doesn't actually fix the reported issue. This
  commit simply makes copying the full line a bit less of a pain.
  

• 8cda9eff
  by nand at 2014-02-11T15:48:30+00:00

  Add support for type/data families
  
  This adds support for type/data families with their respective
  instances, as well as closed type families and associated type/data
  families.
  
  Signed-off-by: Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk>
  

• 3f22c510
  by nand at 2014-02-11T15:53:50+00:00

  Improve display of poly-kinded type operators
  
  This now displays them as (==) k a b c ... to mirror GHC's behavior,
  instead of the old (k == a) b c ... which was just wrong.
  
  Signed-off-by: Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk>
  

• effb2d6b
  by nand at 2014-02-11T15:56:50+00:00

  Add test case for PatternSynonyms
  
  This just tests various stuff including poly-kinded patterns and
  operator patterns to make sure the rendering isn't broken.
  
  Signed-off-by: Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk>
  

• b38faf0d
  by Niklas Haas at 2014-02-13T21:53:32+00:00

  Get rid of re-implementation of sortBy
  
  I have no idea what this was doing lying around here, and due to the
  usage of tuples it's actually slower, too.
  
  Signed-off-by: Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk>
  

• ac1e0413
  by Mateusz Kowalczyk at 2014-02-13T23:57:16+00:00

  Only warn about missing docs when docs are missing
  
  This fixes the ‘Missing documentation for…’ message for modules with
  100% coverage.
  

• cae2e36a
  by Niklas Haas at 2014-02-15T21:56:18+00:00

  Add test case for inter-module type/data family instances
  
  These should show up in every place where the class is visible, and
  indeed they do right now.
  
  Signed-off-by: Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk>
  

• 8bea5c3a
  by Mateusz Kowalczyk at 2014-02-19T05:11:34+00:00

  Use a bespoke data type to indicate fixity
  
  This deals with what I imagine was an ancient TODO and makes it much
  clearer what the argument actually does rather than having the user
  chase down the comment.
  

• 5b52d57c
  by Niklas Haas at 2014-02-22T21:31:03+01:00

  Strip a single leading space from bird tracks (#201)
  
  This makes bird tracks in the form
  
  > foo
  > bar
  > bat
  
  parse as if they had been written as
  
  >foo
  >bar
  >bat
  
  ie. without the leading whitespace in front of every line.
  
  Ideally we also want to look into how leading whitespace affects code
  blocks written using the @ @ syntax, which are currently unaffected by
  this patch.
  

• 5a1315a5
  by Simon Hengel at 2014-02-22T21:55:35+01:00

  Turn a source code comment into specs
  

• 784cfe58
  by Mateusz Kowalczyk at 2014-02-23T05:02:22+00:00

  Update test case for lifted GADT type rendering
  
  The parsing of these seems to have been fixed by GHC folk and it now
  renders differently. IMHO it now renders in a better way so I'm updating
  the test to reflect this.
  

• c3c88c2f
  by Mateusz Kowalczyk at 2014-02-23T06:37:14+00:00

  Don't shadow ‘strip’.
  
  -Wall complains
  

• 293031d8
  by Niklas Haas at 2014-02-23T15:21:52+01:00

  Make ImplicitParams render correctly (#260)
  
  This introduces a new precedence level for single contexts (because
  implicit param contexts always need parens around them, but other types
  of contexts don't necessarily, even when alone)
  

• 4200842d
  by Niklas Haas at 2014-02-23T15:37:13+01:00

  Lower precedence of equality constraints
  
  This drops them to the new precedence pREC_CTX, which makes single
  eqaulity constraints show up as (a ~ b) => ty, in line with GHC's
  rendering. Additional tests added to make sure other type operators
  render as intended. Current behavior matches GHC
  

• b59e3227
  by Niklas Haas at 2014-02-23T16:11:22+01:00

  Add RankNTypes test case to ImplicitParams.hs
  
  This test actually tests what haskell/haddock#260 originally reported - I omitted the
  RankNTypes scenario from the original fix because I realized it's not
  relevant to the underlying issue and indeed, this renders as intended
  now. Still good to have more tests.
  

• c373dbf7
  by Mateusz Kowalczyk at 2014-02-24T06:09:54+00:00

  Fix rendering of Contents when links are present
  
  Fixes Haddock Trac haskell/haddock#267.
  

• 9ecb0e56
  by Mateusz Kowalczyk at 2014-02-24T06:26:50+00:00

  Fix wording in the docs
  

• 4f4dcd8e
  by Mateusz Kowalczyk at 2014-02-27T03:00:33+00:00

  Change rendering of duplicate record field docs
  
  See Haddock Trac haskell/haddock#195. We now change this behaviour to only rendering
  the documentation attached to the first instance of a duplicate field.
  
  Perhaps we could improve this by rendering the first instance that has
  documentation attached to it but for now, we'll stick with this.
  

• ad8aa609
  by Niklas Haas at 2014-03-08T09:43:26+01:00

  Render fixity information
  
  Affects functions, type synonyms, type families, class names, data type
  names, constructors, data families, associated TFs/DFs, type synonyms,
  pattern synonyms and everything else I could think of.
  

• 6a39c917
  by Niklas Haas at 2014-03-09T07:43:39+01:00

  Reorder topDeclElem to move the source/wiki links to the top
  
  They appear in the same position due to the float: right attribute but
  now they're always at the top of the box instead of at the bottom.
  

• 2d34b3b4
  by Niklas Haas at 2014-03-09T07:53:46+01:00

  Use optLast instead of listToMaybe for sourceUrls/wikiUrls
  
  This lets you override them using eg. cabal haddock --haddock-options,
  which can come in handy if you want to use a different layout or URL for
  your source code links than cabal-install generates.
  

• 0eff4624
  by Niklas Haas at 2014-03-09T07:53:46+01:00

  Differentiate between TH splices (line-links) and regular names
  
  This adds a new type of source code link, to a specific line rather than
  a specific declaration/name - this is used to link to the location of a
  TH splice that defines a certain name.
  
  Rather hefty changes throughout and still one unresolved issue (the line
  URLs aren't parsed from the third form of --read-interface which means
  they're currently restricted to same-interface links). Not sure if
  this issue is really worth all the hassle, especially since we could
  just use line links in general.
  
  This commit also contains some cleanup/clarification of the types in
  Haddock.Backends.Xhtml.Decl and shortens some overlong lines in the
  process. Notably, the Bool parameter was replaced by a Unicode type
  synonym to help clarify its presence in type signatures.
  

• 66d6f77b
  by Niklas Haas at 2014-03-09T20:02:43+01:00

  Group similar fixities together
  
  Identical fixities declared for the same line should now render using
  syntax like: infix 4 <, >=, >, <=
  

• 6587f9f5
  by Mateusz Kowalczyk at 2014-03-10T04:24:18+00:00

  Update changelog
  

• 7387ddad
  by Niklas Haas at 2014-03-11T10:26:04+01:00

  Include fixity information in the Interface file
  
  This resolves fixity information not appearing across package borders.
  
  The binary file version has been increased accordingly.
  

• ab46ef44
  by Niklas Haas at 2014-03-11T10:26:04+01:00

  Update changelog
  

• 565cab6f
  by Niklas Haas at 2014-03-11T10:26:04+01:00

  Update appearance of fixity annotations
  
  This moves them in-line with their corresponding lines, similar to a
  presentation envision by @hvr and described in #ghc.
  
  Redundant operator names are also omitted when no ambiguity is present.
  

• 5d7afd67
  by Niklas Haas at 2014-03-11T10:26:05+01:00

  Filter family instances of hidden types
  
  Currently, this check does not extend to hidden right hand sides,
  although it probably should hide them in that case.
  

• ec291b0c
  by Niklas Haas at 2014-03-11T10:26:05+01:00

  Add documentation for --source-entity-line
  

• 0922e581
  by Niklas Haas at 2014-03-11T10:37:32+01:00

  Revert "Reorder topDeclElem to move the source/wiki links to the top"
  
  This reverts commit 843c42c4179526a2ad3526e4c7d38cbf4d50001d.
  
  This change is no longer needed with the new rendering style, and it
  messes with copy/pasting lines.
  

• 30618e8b
  by Mateusz Kowalczyk at 2014-03-11T09:41:07+00:00

  Bump version to 2.15.0
  

• adf3f1bb
  by Mateusz Kowalczyk at 2014-03-11T09:41:09+00:00

  Fix up some whitespace
  

• 8905f57d
  by Niklas Haas at 2014-03-13T19:18:06+00:00

  Hide RHS of TFs with non-exported right hand sides
  
  Not sure what to do about data families yet, since technically it would
  not make a lot of sense to display constructors that cannot be used by
  the user.
  

• 5c44d5c2
  by Niklas Haas at 2014-03-13T19:18:08+00:00

  Add UnicodeSyntax alternatives for * and ->
  
  I could not find a cleaner way to do this other than checking for
  string equality with the given built-in types. But seeing as it's
  actually equivalent to string rewriting in GHC's implementation of
  UnicodeSyntax, it's probably fitting.
  

• b04a63e6
  by Niklas Haas at 2014-03-13T19:18:10+00:00

  Display minimal complete definitions for type classes
  
  This corresponds to the new {-# MINIMAL #-} pragma present in GHC 7.8+.
  I also cleaned up some of the places in which ExportDecl is used to make
  adding fields easier in the future.
  
  Lots of test cases have been updated since they now render with
  minimality information.
  

• a4a20b16
  by Niklas Haas at 2014-03-13T19:18:12+00:00

  Strip links from recently added html tests
  
  These were accidentally left there when the tests were originally added
  

• d624f315
  by Mateusz Kowalczyk at 2014-03-13T19:19:31+00:00

  Update changelog
  

• d27a21ac
  by Mateusz Kowalczyk at 2014-03-13T21:19:07+00:00

  Always read in prologue files as UTF8 (#286).
  

• 54b2fd78
  by Mateusz Kowalczyk at 2014-03-13T21:28:09+00:00

  Style only
  

• fa4fe650
  by Simon Hengel at 2014-03-15T09:04:18+01:00

  Add Fuuzetsu maintainers field in cabal file
  

• f83484b7
  by Niklas Haas at 2014-03-15T18:20:24+00:00

  Hide minimal definition for only-method classes
  
  Previously this was not covered by the All xs check since here it is not
  actually an All, rather a single Var n.
  
  This also adds the previously missing html-test/src/Minimal.hs.
  

• 0099d276
  by Niklas Haas at 2014-03-15T18:20:26+00:00

  Fix issue haskell/haddock#281
  
  This is a regression from the data family instances change. Data
  instances are now distinguished from regular lists by usage of the new
  class "inst", and the style has been updated to only apply to those.
  
  I've also updated the appropriate test case to test this a bit better,
  including GADT instances with GADT-style records.
  

• 1f9687bd
  by Mateusz Kowalczyk at 2014-03-21T17:48:37+00:00

  Please cabal sdist
  

• 75542693
  by Mateusz Kowalczyk at 2014-03-22T16:36:16+00:00

  Drop needless --split-objs which slows us down.
  
  Involves tiny cleanup of all the dynflag bindings. Fixes haskell/haddock#292.
  

• 31214dc3
  by Herbert Valerio Riedel at 2014-03-23T18:01:01+01:00

  Fix a few typos
  
  Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
  

• 0b73e638
  by Mateusz Kowalczyk at 2014-03-31T05:34:36+01:00

  Print kind signatures on GADTs
  

• 2bab42f3
  by Mateusz Kowalczyk at 2014-03-31T16:53:25+01:00

  Add default for new PlatformConstraints field
  

• 42647c5f
  by Mateusz Kowalczyk at 2014-03-31T18:29:04+01:00

  Drop leading whitespace in @-style blocks.
  
  Fixes haskell/haddock#201.
  

• 98208294
  by Niklas Haas at 2014-03-31T20:09:58+02:00

  Crash when exporting record selectors of data family instances
  
  This fixes bug haskell/haddock#294.
  
  This also fixes a related but never-before-mentioned bug about the
  display of GADT record selectors with non-polymorphic type signatures.
  
  Note: Associated data type constructors fail to show up if nothing is
  exported that they could be attached to. Exporting any of the data types
  in the instance head, or the class + data family itself, causes them to
  show up, but in the absence of either of these, exporting just the
  associated data type with the constructor itself will result in it
  being hidden.
  
  The only scenario I can come up that would involve this kind of
  situation involved OverlappingInstances, and even then it can be
  mitigated by just exporting the class itself, so I'm not going to solve
  it since the logic would most likely be very complicated.
  

• 3832d171
  by Mateusz Kowalczyk at 2014-04-01T19:07:33+01:00

  Make CHANGES consistent with what's now in 2.14.2
  

• c386ae89
  by Mateusz Kowalczyk at 2014-04-01T19:18:36+01:00

  Actually bundle extra spec tests in sdist
  

• bd57a6d3
  by Mateusz Kowalczyk at 2014-04-03T21:13:48+01:00

  Update test cases for GHC bug haskell/haddock#8945, Haddock haskell/haddock#188
  
  The order of signature groups has been corrected upstream. Here we add a
  test case and update some existing test-cases to reflect this change. We
  remove grouped signature in test cases that we can (Minimal,
  BugDeprecated &c) so that the test is as self-contained as possible.
  

• 708b88b1
  by Mateusz Kowalczyk at 2014-04-03T21:16:07+01:00

  Enforce strict GHC version in cabal file
  
  This stops people with 7.6.3 trying to install 2.15.x which clearly
  won't work. Unfortunately we shipped 2.14.x without realising this.
  

• 60334f7c
  by Mateusz Kowalczyk at 2014-04-03T21:19:24+01:00

  Initialise some new PlatformConstants fields
  

• ea77f668
  by Mateusz Kowalczyk at 2014-04-11T16:52:23+01:00

  We don't actually want unicode here
  

• 0b651cae
  by Mateusz Kowalczyk at 2014-04-11T18:13:30+01:00

  Parse identifiers with ^ and ⋆ in them.
  
  Fixes haskell/haddock#298.
  

• e8ad0f5f
  by Mateusz Kowalczyk at 2014-04-11T18:47:41+01:00

  Ignore version string during HTML tests.
  

• de489089
  by Mateusz Kowalczyk at 2014-04-11T18:59:30+01:00

  Update CHANGES to follow 2.14.3
  

• beb464a9
  by Gergő Érdi at 2014-04-13T16:31:10+08:00

  remove Origin flag from LHsBindsLR
  

• cb16f07c
  by Herbert Valerio Riedel at 2014-04-21T17:16:50+02:00

  Replace local `die` by new `System.Exit.die`
  
  Starting with GHC 7.10, System.Exit exports the new `die`
  which is essentially the same as Haddock.Util.die, so this
  commit changes Haddock.Util.die to be a simple re-export
  of System.Exit.die. See also
  
    https://ghc.haskell.org/trac/ghc/ticket/9016
  
  for more details.
  
  Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
  

• 9b9b23c7
  by Mateusz Kowalczyk at 2014-05-03T15:40:11+02:00

  Disambiguate ‘die’ in test runners.
  

• 5d28a2b8
  by Mateusz Kowalczyk at 2014-05-05T09:19:49+02:00

  Prepare modules for parser split.
  
  We have to generalise the Doc (now DocH) slightly to remove the
  dependency on GHC-supplied type.
  

• d3967ff3
  by Mateusz Kowalczyk at 2014-05-05T11:00:41+02:00

  Move parser + parser tests out to own package.
  
  We move some types out that are necessary as well and then
  re-export and specialise them in the core Haddock.
  
  Reason for moving out spec tests is that if we're working on the parser,
  we can simply work on that and we can ignore the rest of Haddock. The
  downside is that it's a little inconvenient if at the end of the day we
  want to see that everything passes.
  

• 522a448d
  by Mateusz Kowalczyk at 2014-05-05T11:14:47+02:00

  Move out Show and Eq instances to Types
  
  They are much more useful to the users here.
  

• 11a6f0f2
  by Mateusz Kowalczyk at 2014-05-06T13:50:31+02:00

  Remove no longer necessary parser error handling.
  
  We can now drop some Maybe tests and even lets us strip an error
  handling monad away in a few places.
  

• 6992c924
  by Mateusz Kowalczyk at 2014-05-14T02:23:55+02:00

  Please the GHC build-system.
  
  As I can not figure out how to do this properly, if we're in GHC tree,
  we treat the library as being the same package. If we're not in the
  tree, we require that the library be installed separately.
  

• 7a8ad763
  by Mateusz Kowalczyk at 2014-05-14T14:50:25+02:00

  Update issue tracker URL
  

• f616c521
  by Mateusz Kowalczyk at 2014-05-14T14:53:32+02:00

  Update issue tracker URL for haddock-library
  

• 66580ded
  by Gergő Érdi at 2014-05-25T14:24:16+08:00

  Accomodate change in PatSyn representation
  

• 0e43b988
  by Mateusz Kowalczyk at 2014-05-29T03:15:29+02:00

  Revert "Accomodate change in PatSyn representation"
  
  This reverts commit 57aa591362d7c8ba21285fccd6a958629a422091. I am
  reverting this because I pushed it to master when it was meant to stay
  on a wip-branch. Sorry Gergo and everyone who had trouble due to this.
  

• e10d7ec8
  by Mateusz Kowalczyk at 2014-05-29T03:24:11+02:00

  Revert "Revert "Accomodate change in PatSyn representation""
  
  This reverts commit e110e6e70e40eed06c06676fd2e62578da01d295.
  
  Apparently as per GHC commit ac2796e6ddbd54c5762c53e2fcf29f20ea162fd5
  this was actually intended. Embarrasing for me.
  

• 5861aca9
  by Mateusz Kowalczyk at 2014-06-05T19:49:27+02:00

  Clear up highlighting of identifiers with ‘'’s.
  

• d7cc420f
  by Simon Peyton Jones at 2014-06-06T12:41:09+01:00

  Follow change in patSynSig
  

• 938b4fd8
  by Mateusz Kowalczyk at 2014-06-12T07:24:29+02:00

  Slightly update the readme.
  
  Style-sheets are no longer a recent thing, dead links, old maintainers,
  different formats.
  

• c7799dea
  by Mateusz Kowalczyk at 2014-06-18T00:05:56+02:00

  Update cabal files
  
  Update repository urls, use subdir property for haddock-library and use
  a separate versioning scheme for haddock-library in preparation for release.
  

• a2750b6a
  by Simon Hengel at 2014-06-18T11:01:18+08:00

  Compatibility with older versions of base and bytestring
  

• 009b4b03
  by Simon Hengel at 2014-06-18T11:14:01+08:00

  Enable travis-ci for haddock-library
  

• 9b5862eb
  by Simon Hengel at 2014-06-18T11:14:01+08:00

  haddock-library: Do not depend on haddock-library in test suite
  
  I think you either add src to hs-source-dirs or the library to
  build-depends.  But doing both does not make sense (AFAICT).
  

• fb1f3279
  by Simon Hengel at 2014-06-18T11:49:05+08:00

  haddock-library: Use -Wall for specs
  

• 649340e1
  by Mateusz Kowalczyk at 2014-06-18T06:58:54+02:00

  Use Travis with multiple GHC versions
  
  When using HEAD, we build haddock-library directly from repository as a
  dependency (and thanks to --enable-tests, the tests get ran anyway). In
  all other cases, we manually run the tests on haddock-library only and
  don't test the main project.
  

• d7eeeec2
  by Mateusz Kowalczyk at 2014-06-18T07:49:04+02:00

  Comment improvements + few words in cabal file
  

• 0f8db914
  by Simon Hengel at 2014-06-18T13:52:23+08:00

  Use doctest to check examples in documentation
  

• 2888a8dc
  by Simon Hengel at 2014-06-18T14:16:48+08:00

  Remove doctest dependency
  
  (so that we can use haddock-library with doctest)
  

• 626d5e85
  by Mateusz Kowalczyk at 2014-06-18T08:41:25+02:00

  Travis tweaks
  

• 41d4f9cc
  by Mateusz Kowalczyk at 2014-06-18T08:58:43+02:00

  Don't actually forget to install specified GHC.
  

• c6aa512a
  by John MacFarlane at 2014-06-18T10:43:57-07:00

  Removed reliance on LambdaCase (which breaks build with ghc 7.4).
  

• b9b93b6f
  by John MacFarlane at 2014-06-18T10:54:56-07:00

  Fixed haddock warnings.
  

• a41b0ab5
  by Mateusz Kowalczyk at 2014-06-19T01:20:10+02:00

  Update Travis, bump version
  

• 864bf62a
  by Mateusz Kowalczyk at 2014-06-25T10:36:54+02:00

  Fix anchors. Closes haskell/haddock#308.
  

• 53df91bb
  by Mateusz Kowalczyk at 2014-06-25T15:04:49+02:00

  Drop DocParagraph from front of headers
  
  I can not remember why they were wrapped in paragraphs to begin with and
  it seems unnecessary now that I test it. Closes haskell/haddock#307.
  

• 29b5f2fa
  by Mateusz Kowalczyk at 2014-06-25T15:17:20+02:00

  Don't mangle append order for nested lists.
  
  The benefit of this is that the ‘top-level’ element of such lists is
  properly wrapped in <p> tags so any CSS working with these will be
  applied properly. It also just makes more sense.
  
  Pointed out at jgm/pandoc#1346.
  

• 05cb6e9c
  by Mateusz Kowalczyk at 2014-06-25T15:19:45+02:00

  Bump haddock-library to 1.1.0 for release
  

• 70feab15
  by Iavor Diatchki at 2014-07-01T03:37:07-07:00

  Propagate overloading-mode for instance declarations in haddock (#9242)
  

• d4ca34a7
  by Simon Peyton Jones at 2014-07-14T16:23:15+01:00

  Adapt to new definition of HsDecls.TyFamEqn
  
  This is a knock-on from the refactoring from Trac haskell/haddock#9063.
  I'll push the corresponding changes to GHC shortly.
  

• f91e2276
  by Edward Z. Yang at 2014-07-21T08:14:19-07:00

  Track GHC PackageId to PackageKey renaming.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  
  Conflicts:
  	src/Haddock/Interface/Create.hs
  

• b010f9ef
  by Edward Z. Yang at 2014-07-25T16:28:46-07:00

  Track changes for module reexports.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  
  Conflicts:
  	src/Haddock/Interface/Create.hs
  

• 8b85f9f9
  by Mateusz Kowalczyk at 2014-07-28T13:25:43+02:00

  Catch mid-line URLs. Fixes haskell/haddock#314.
  

• 4c613a78
  by Edward Z. Yang at 2014-08-05T03:11:00-07:00

  Track type signature change of lookupModuleInAllPackages
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• e80b051c
  by Edward Z. Yang at 2014-08-05T17:34:26+01:00

  If GhcProfiled, also build Haddock profiled.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• f9cccd29
  by Edward Z. Yang at 2014-08-07T14:23:35+01:00

  Ignore TAGS files.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 00b3af52
  by Mateusz Kowalczyk at 2014-08-08T04:58:19+02:00

  Update to attoparsec-0.12.1.1
  
  There seems to be memory and speed improvement.
  

• 5457dc71
  by Mateusz Kowalczyk at 2014-08-08T18:24:02+02:00

  Fix forgotten src
  

• 3520cb04
  by Mateusz Kowalczyk at 2014-08-14T20:19:07+01:00

  Bump down the version for master to 2.14.4
  

• dc98c21b
  by Mateusz Kowalczyk at 2014-08-14T20:23:27+01:00

  Revert "Track type signature change of lookupModuleInAllPackages"
  
  This reverts commit d59fec2c9551b5662a3507c0011e32a09a9c118f.
  

• 3f2038c0
  by Mateusz Kowalczyk at 2014-08-14T20:23:31+01:00

  Revert "Track changes for module reexports."
  
  This reverts commit b99b57c0df072d12b67816b45eca2a03cb1da96d.
  

• 56d4e49e
  by Mateusz Kowalczyk at 2014-08-14T20:23:42+01:00

  Revert "Track GHC PackageId to PackageKey renaming."
  
  This reverts commit 8ac42d3327473939c013551750425cac191ff0fd.
  

• 726ea3cb
  by Mateusz Kowalczyk at 2014-08-14T20:23:47+01:00

  Revert "Adapt to new definition of HsDecls.TyFamEqn"
  
  This reverts commit cb96b4f1ed0462b4a394b9fda6612c3bea9886bd.
  

• 61a88ff0
  by Mateusz Kowalczyk at 2014-08-14T20:23:52+01:00

  Revert "Propagate overloading-mode for instance declarations in haddock (#9242)"
  
  This reverts commit 8d20ca8d5a9bee73252ff2035ec45f9c03d0820c.
  

• a32ba674
  by Mateusz Kowalczyk at 2014-08-14T20:26:03+01:00

  Revert "Disambiguate ‘die’ in test runners."
  
  This reverts commit dba02d6df32534aac5d257f2d28596238d248942.
  

• f335820f
  by Mateusz Kowalczyk at 2014-08-14T20:26:09+01:00

  Revert "Replace local `die` by new `System.Exit.die`"
  
  This reverts commit 08aa509ebac58bfb202ea79c7c41291ec280a1c5.
  

• 107078e4
  by Mateusz Kowalczyk at 2014-08-14T20:27:34+01:00

  Merge branch 'reverts'
  
  This reverts any changes that were made to have Haddock compile with
  7.9. When 7.10 release comes, we can simply re-apply all the patches and
  any patches that occur on ghc-head branch from now on.
  
  This allows us to build master with 7.8.3
  

• b44b3871
  by Mateusz Kowalczyk at 2014-08-15T02:47:40+01:00

  Fix haskell/haddock#313 by doing some list munging.
  
  I get rid of the Monoid instance because we weren't satisfying the laws.
  Convenience of having <> didn't outweigh the shock-factor of having it
  behave badly.
  

• e1a62cde
  by Mateusz Kowalczyk at 2014-08-15T02:52:56+01:00

  Stop testing haskell/haddock#188.
  
  Because the change is in GHC 7.9 and we now work against 7.8.3, this
  test no longer makes sense. We revert it until 7.10 becomes the standard
  version. If anything, there should be a test for this in GHC itself.
  

• 54e8286d
  by Mateusz Kowalczyk at 2014-08-15T05:31:57+01:00

  Add haskell/haddock#313 to CHANGES
  

• 9df7ad5d
  by Simon Hengel at 2014-08-20T11:25:32+08:00

  Fix warning
  

• ee2574d6
  by Simon Hengel at 2014-08-20T12:07:01+08:00

  Fix travis builds
  

• 384cf2e6
  by Simon Hengel at 2014-08-20T12:14:31+08:00

  Require GHC 7.8.3
  

• d4779863
  by Simon Hengel at 2014-08-22T12:14:16+08:00

  Move Haddock API to a separate package
  

• 80f3e0e1
  by Simon Hengel at 2014-08-22T14:57:38+08:00

  Bump version to 2.15.0 and add version constraints
  

• 309a94ce
  by Simon Hengel at 2014-08-22T15:18:06+08:00

  Add deprecated compatibility module
  

• 4d1e4e3f
  by Luite Stegeman at 2014-08-22T20:46:45+02:00

  export things to allow customizing how the Ghc session is run
  

• 47884591
  by Luite Stegeman at 2014-08-22T20:46:51+02:00

  ghc 7.8.2 compatibility
  

• 5ea94e2c
  by Luite Stegeman at 2014-08-22T22:08:58+02:00

  install dependencies for haddock-api on travis
  

• 9fb845b2
  by Mateusz Kowalczyk at 2014-08-23T10:09:34+01:00

  Move sources under haddock-api/src
  

• 85817dc4
  by Mateusz Kowalczyk at 2014-08-23T10:10:48+01:00

  Remove compat stuff
  

• 151c6169
  by Niklas Haas at 2014-08-24T08:14:10+02:00

  Fix extra whitespace on signatures and update all test cases
  
  This was long overdue, now running ./accept.lhs on a clean test from
  master will not generate a bunch of changes.
  

• d320e0d2
  by Niklas Haas at 2014-08-24T08:14:35+02:00

  Omit unnecessary foralls and fix haskell/haddock#315
  
  This also fixes haskell/haddock#86.
  

• bdafe108
  by Mateusz Kowalczyk at 2014-08-24T15:06:46+01:00

  Update CHANGES
  

• fafa6d6e
  by Mateusz Kowalczyk at 2014-08-24T15:14:23+01:00

  Delete few unused/irrelevant/badly-place files.
  

• 3634923d
  by Duncan Coutts at 2014-08-27T13:49:31+01:00

  Changes due to ghc api changes in package representation
  
  Also fix a bug with finding the package name and version given a
  module. This had become wrong due to the package key changes (it was
  very hacky in the first place). We now look up the package key in the
  package db to get the package info properly.
  

• 539a7e70
  by Herbert Valerio Riedel at 2014-08-31T11:36:32+02:00

  Import Data.Word w/o import-list
  
  This is needed to keep the compilation warning free (and thus pass GHC's
  ./validate) regardless of whether Word is re-exported from Prelude or not
  
  See https://ghc.haskell.org/trac/ghc/ticket/9531 for more details
  

• 9e3a0e5b
  by Mateusz Kowalczyk at 2014-08-31T12:54:43+01:00

  Bump version in doc
  

• 4a177525
  by Mateusz Kowalczyk at 2014-08-31T13:01:23+01:00

  Bump haddock-library version
  

• f99c1384
  by Mateusz Kowalczyk at 2014-08-31T13:05:25+01:00

  Remove references to deleted files
  

• 5e51a247
  by Mateusz Kowalczyk at 2014-08-31T14:18:44+01:00

  Make the doc parser not complain
  

• 2cedb49a
  by Mateusz Kowalczyk at 2014-09-03T03:33:15+01:00

  CONTRIBUTING file for issues
  

• 88027143
  by Mateusz Kowalczyk at 2014-09-04T00:46:59+01:00

  Mention --print-missing-docs
  

• 42f6754f
  by Alan Zimmerman at 2014-09-05T18:13:24-05:00

  Follow changes to TypeAnnot in GHC HEAD
  
  Signed-off-by: Austin Seipp <aseipp@pobox.com>
  

• e712719e
  by Austin Seipp at 2014-09-09T01:03:27-05:00

  Fix import of 'empty' due to AMP.
  
  Signed-off-by: Austin Seipp <aseipp@pobox.com>
  

• 71c29755
  by Herbert Valerio Riedel at 2014-09-09T17:35:20+02:00

  Bump `base` constraint for AMP
  

• 0bf9f3ed
  by Mateusz Kowalczyk at 2014-09-12T19:18:32+01:00

  Delete stale ANNOUNCE
  

• cac89ee6
  by Krzysztof Gogolewski at 2014-09-14T17:17:09+02:00

  Followup changes to addition of -fwarn-context-quantification (GHC Trac haskell/haddock#4426)
  

• 4d683426
  by Edward Z. Yang at 2014-09-18T13:38:11-07:00

  Properly render package ID (not package key) in index, fixes haskell/haddock#329.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 80697fd5
  by Herbert Valerio Riedel at 2014-09-19T00:07:52+02:00

  Disambiguate string-literals
  
  GHC fails type-inference with `OverloadedStrings` + `Data.Foldable.elem`
  otherwise.
  

• c015eb70
  by Herbert Valerio Riedel at 2014-09-19T00:10:36+02:00

  Revert "Followup changes to addition of -fwarn-context-quantification"
  
  This reverts commit 4023817d7c0e46db012ba2eea28022626841ca9b temporarily
  as the respective feature hasn't landed in GHC HEAD yet, but this commit
  blocks later commits from being referenced in GHC HEAD.
  

• 38ded784
  by Edward Z. Yang at 2014-09-18T15:32:15-07:00

  Revert "Revert "Followup changes to addition of -fwarn-context-quantification""
  
  This reverts commit db14fd8ab4fab43694139bc203808b814eafb2dc.
  It's in HEAD now.
  

• f55d59c9
  by Herbert Valerio Riedel at 2014-09-26T19:18:28+02:00

  Revert "Fix import of 'empty' due to AMP."
  
  This reverts commit 0cc5bc85e9fca92ab712b68a2ba2c0dd9d3d79f4 since
  it turns out we don't need to re-export `empty` from Control.Monad after
  all.
  

• 467050f1
  by David Feuer at 2014-10-09T20:07:36-04:00

  Fix improper lazy IO use
  
  Make `getPrologue` force `parseParas dflags str` before returning. Without this, it will attempt to read from the file after it is closed, with unspecified and generally bad results.

• cc47b699
  by Edward Z. Yang at 2014-10-09T21:38:19-07:00

  Fix use-after-close lazy IO bug
  
  Make `getPrologue` force `parseParas dflags str` before returning. Without this,
  it will attempt to read from the file after it is closed, with unspecified and
  generally bad results.
  
  Signed-off-by: David Feuer <David.Feuer@gmail.com>
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 87babcbe
  by Austin Seipp at 2014-10-20T20:05:27-05:00

  Add an .arcconfig file.
  
  Signed-off-by: Austin Seipp <austin@well-typed.com>
  

• ab259516
  by Austin Seipp at 2014-10-20T20:07:01-05:00

  Add .arclint file.
  
  Signed-off-by: Austin Seipp <austin@well-typed.com>
  

• b918093c
  by Mateusz Kowalczyk at 2014-10-29T03:59:39+00:00

  Experimental support for collapsable headers
  
  Closes haskell/haddock#335
  

• 849db129
  by Mateusz Kowalczyk at 2014-10-29T10:07:26+01:00

  Experimental support for collapsable headers
  
  (cherry picked from commit e2ed3b9d8dfab09f1b1861dbc8e74f08e137ebcc)
  

• a4cc4789
  by Herbert Valerio Riedel at 2014-10-31T11:08:26+01:00

  Collapse user-defined section by default (re haskell/haddock#335)
  

• 9da1b33e
  by Yuras Shumovich at 2014-10-31T16:11:04-05:00

  reflect ForeignType constructore removal
  
  Reviewers: austin
  
  Reviewed By: austin
  
  Differential Revision: https://phabricator.haskell.org/D358
  

• c625aefc
  by Austin Seipp at 2014-10-31T19:34:10-05:00

  Remove overlapping pattern match
  
  Signed-off-by: Austin Seipp <aseipp@pobox.com>
  

• c7738e5e
  by Simon Hengel at 2014-11-02T07:25:30+08:00

  Remove -fobject-code from .ghci
  
  (this slows down reloads on modifications)
  

• d4a86e95
  by Simon Hengel at 2014-11-03T09:26:11+08:00

  Get rid of StandaloneDeriving
  

• a974e311
  by Simon Hengel at 2014-11-03T09:26:11+08:00

  Derive more instances
  

• 8aa0c4d7
  by Simon Hengel at 2014-11-03T09:27:08+08:00

  Remove unused language extensions
  

• 3052d46a
  by Simon Hengel at 2014-11-03T09:30:46+08:00

  Minor refactoring
  

• 4281d3cb
  by Simon Hengel at 2014-11-03T09:30:46+08:00

  parser: Try to parse definition lists right before text paragraphs
  

• 8ba12bf9
  by Simon Hengel at 2014-11-03T09:34:19+08:00

  Add support for markdown links (closes haskell/haddock#336)
  

• a2f8d747
  by Simon Hengel at 2014-11-03T09:34:19+08:00

  Allow markdown links at the beginning of a paragraph
  

• 53b11207
  by Simon Hengel at 2014-11-03T09:34:20+08:00

  Update documentation
  

• 652267c6
  by Simon Hengel at 2014-11-03T09:34:20+08:00

  Add support for markdown images
  

• 9d667502
  by Simon Hengel at 2014-11-03T09:34:20+08:00

  Allow an optional colon after the closing bracket of definition lists
  
  This is to disambiguate them from markdown links and will be require
  with a future release.
  

• 8167fc32
  by Mateusz Kowalczyk at 2014-11-04T01:16:51+00:00

  whitespace only
  

• 3da62981
  by Mateusz Kowalczyk at 2014-11-04T01:17:31+00:00

  Fix re-exports of built-in type families
  
  Fixes haskell/haddock#310
  

• edc76b34
  by Mateusz Kowalczyk at 2014-11-04T02:54:28+00:00

  Turn some uses of error into recoverable warnings
  
  This should at the very least not abort when something weird happens. It
  does feel like we should have a type that carries these errors until the
  end however as the user might not see them unless they are printed at
  the end.
  

• 0a137400
  by Mateusz Kowalczyk at 2014-11-04T04:09:44+00:00

  Fix warnings
  

• d068fc21
  by Mateusz Kowalczyk at 2014-11-04T21:04:07+00:00

  Fix parsing of identifiers written in infix way
  

• 1a9f2f3d
  by Simon Hengel at 2014-11-08T11:32:42+08:00

  Minor code simplification
  

• 6475e9b1
  by Simon Hengel at 2014-11-08T17:28:33+08:00

  newtype-wrap parser monad
  

• dc1ea105
  by Herbert Valerio Riedel at 2014-11-15T11:55:43+01:00

  Make compatible with `deepseq-1.4.0.0`
  
  ...by not relying on the default method implementation of `rnf`
  

• fbb1aca4
  by Simon Hengel at 2014-11-16T08:51:38+08:00

  State intention rather than implementation details in Haddock comment
  

• 97851ab2
  by Simon Hengel at 2014-11-16T10:20:19+08:00

  (wip) Add support for @since (closes haskell/haddock#26)
  

• 34bcd18e
  by Gergő Érdi at 2014-11-20T22:35:38+08:00

  Update Haddock to new pattern synonym type signature syntax
  

• 304b7dc3
  by Jan Stolarek at 2014-11-20T17:48:43+01:00

  Follow changes from haskell/haddock#9812
  

• 920f9b03
  by Richard Eisenberg at 2014-11-20T16:52:50-05:00

  Changes to reflect refactoring in GHC as part of haskell/haddock#7484
  

• 0bfe4e78
  by Alan Zimmerman at 2014-11-21T11:23:09-06:00

  Follow API changes in D426
  
  Signed-off-by: Austin Seipp <aseipp@pobox.com>
  

• 356ed45a
  by Thomas Winant at 2014-11-28T16:11:22-06:00

  Support for PartialTypeSignatures
  

• 5dc8f3b1
  by Gergő Érdi at 2014-11-29T15:39:09+08:00

  For pattern synonyms, render "pattern" as a keyword
  

• fe704480
  by Mateusz Kowalczyk at 2014-12-09T03:38:32+00:00

  List new module in cabal file
  

• b9ad5a29
  by Mateusz Kowalczyk at 2014-12-10T00:58:24+00:00

  Allow the parser to spit out meta-info
  
  Currently we only use it only for ‘since’ annotations but with these
  patches it should be fairly simple to add new attributes if we wish to.
  
  Closes haskell/haddock#26. It seems to work fine but due to 7.10 rush I don't have the
  chance to do more exhaustive testing right now. The way the meta is
  output (emphasis at the end of the whole comment) is fairly arbitrary
  and subject to bikeshedding.
  
  Note that this makes test for Bug310 fail due to interface version bump:
  it can't find the docs for base with this interface version so it fails.
  There is not much we can do to help this because it tests for ’built-in’
  identifier, not something we can provide ourselves.
  

• 765af0e3
  by Mateusz Kowalczyk at 2014-12-10T01:17:19+00:00

  Update doctest parts of comments
  

• 8670272b
  by jpmoresmau at 2014-12-10T01:35:31+00:00

  header could contain several lines
  
  Closes haskell/haddock#348
  

• 4f9ae4f3
  by Mateusz Kowalczyk at 2014-12-12T06:22:31+00:00

  Revert "Merge branch 'reverts'"
  
  This reverts commit 5c93cc347773c7634321edd5f808d5b55b46301f, reversing
  changes made to 5b81a9e53894d2ae591ca0c6c96199632d39eb06.
  
  Conflicts:
  	haddock-api/src/Haddock/Convert.hs
  

• e974ac94
  by Duncan Coutts at 2014-12-12T06:26:11+00:00

  Changes due to ghc api changes in package representation
  
  Also fix a bug with finding the package name and version given a
  module. This had become wrong due to the package key changes (it was
  very hacky in the first place). We now look up the package key in the
  package db to get the package info properly.
  
  Conflicts:
  	haddock-api/src/Haddock.hs
  

• 2f3a2365
  by Herbert Valerio Riedel at 2014-12-12T06:26:51+00:00

  Import Data.Word w/o import-list
  
  This is needed to keep the compilation warning free (and thus pass GHC's
  ./validate) regardless of whether Word is re-exported from Prelude or not
  
  See https://ghc.haskell.org/trac/ghc/ticket/9531 for more details
  

• 1dbd6390
  by Alan Zimmerman at 2014-12-12T06:32:07+00:00

  Follow changes to TypeAnnot in GHC HEAD
  
  Signed-off-by: Austin Seipp <aseipp@pobox.com>
  
  Conflicts:
  	haddock-api/src/Haddock/Convert.hs
  

• bb6ff1f4
  by Mateusz Kowalczyk at 2014-12-12T06:35:07+00:00

  Bump ‘base’ constraint
  
  Follows the similar commit made on ghc-head branch
  

• 466fe4ab
  by Krzysztof Gogolewski at 2014-12-12T06:37:42+00:00

  Followup changes to addition of -fwarn-context-quantification (GHC Trac haskell/haddock#4426)
  

• 97e080c9
  by Edward Z. Yang at 2014-12-12T06:39:35+00:00

  Properly render package ID (not package key) in index, fixes haskell/haddock#329.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  
  Conflicts:
  	haddock-api/src/Haddock/ModuleTree.hs
  

• 20b2af56
  by Herbert Valerio Riedel at 2014-12-12T06:42:50+00:00

  Disambiguate string-literals
  
  GHC fails type-inference with `OverloadedStrings` + `Data.Foldable.elem`
  otherwise.
  
  Conflicts:
  	haddock-library/src/Documentation/Haddock/Parser.hs
  

• b3ad269d
  by Austin Seipp at 2014-12-12T06:44:14+00:00

  Add an .arcconfig file.
  
  Signed-off-by: Austin Seipp <austin@well-typed.com>
  

• 072df0dd
  by Austin Seipp at 2014-12-12T06:45:01+00:00

  Add .arclint file.
  
  Signed-off-by: Austin Seipp <austin@well-typed.com>
  

• dbb9294a
  by Herbert Valerio Riedel at 2014-12-12T06:46:17+00:00

  Collapse user-defined section by default (re haskell/haddock#335)
  
  Conflicts:
  	haddock-api/src/Haddock/Backends/Xhtml/DocMarkup.hs
  

• f23ab545
  by Yuras Shumovich at 2014-12-12T06:46:41+00:00

  reflect ForeignType constructore removal
  
  Reviewers: austin
  
  Reviewed By: austin
  
  Differential Revision: https://phabricator.haskell.org/D358
  

• 753a4b67
  by Austin Seipp at 2014-12-12T06:46:51+00:00

  Remove overlapping pattern match
  
  Signed-off-by: Austin Seipp <aseipp@pobox.com>
  

• 8954e8f5
  by Herbert Valerio Riedel at 2014-12-12T06:50:53+00:00

  Make compatible with `deepseq-1.4.0.0`
  
  ...by not relying on the default method implementation of `rnf`
  

• d2b06d61
  by Gergő Érdi at 2014-12-12T07:07:30+00:00

  Update Haddock to new pattern synonym type signature syntax
  
  Conflicts:
  	haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
  	haddock-api/src/Haddock/Convert.hs
  

• 1ff02426
  by Jan Stolarek at 2014-12-12T07:13:24+00:00

  Follow changes from haskell/haddock#9812
  
  Conflicts:
  	haddock-api/src/Haddock/Convert.hs
  

• 06ad7600
  by Richard Eisenberg at 2014-12-12T07:13:43+00:00

  Changes to reflect refactoring in GHC as part of haskell/haddock#7484
  

• 8fd2aa8b
  by Alan Zimmerman at 2014-12-12T07:22:25+00:00

  Follow API changes in D426
  
  Signed-off-by: Austin Seipp <aseipp@pobox.com>
  
  Conflicts:
  	haddock-api/src/Haddock/Backends/LaTeX.hs
  	haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
  	haddock-api/src/Haddock/Convert.hs
  

• 95c3db98
  by Thomas Winant at 2014-12-12T07:35:49+00:00

  Support for PartialTypeSignatures
  
  Conflicts:
  	haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
  	haddock-api/src/Haddock/Convert.hs
  	haddock-api/src/Haddock/Interface/Create.hs
  

• 45494428
  by Gergő Érdi at 2014-12-12T07:36:18+00:00

  For pattern synonyms, render "pattern" as a keyword
  

• a237e3eb
  by Mateusz Kowalczyk at 2014-12-12T12:27:13+00:00

  Various fixups and bumps for next release
  

• 22918bcd
  by Herbert Valerio Riedel at 2014-12-14T10:11:47+01:00

  Remove redundant wild-card pattern match
  
  (this would otherwise cause a build-failure with `-Werror`)
  

• 1d6ce947
  by Herbert Valerio Riedel at 2014-12-14T10:17:06+01:00

  Treat GHC 7.10 the same as GHC 7.9
  
  ...since the current GHC 7.9 is going to become GHC 7.10 real-soon-now anyway
  

• f434ea89
  by Herbert Valerio Riedel at 2014-12-14T18:26:50+01:00

  Fixup ghc.mk (follow-up to 1739375eb23342)
  
  This makes the GHC build-system aware of the data-files to be copied
  into the bindist (as haddock.cabal doesn't list those anymore)
  

• 6fb839eb
  by Mateusz Kowalczyk at 2014-12-17T09:28:59+00:00

  Only keep one Version instead of blindly appending
  

• 40645489
  by Mateusz Kowalczyk at 2014-12-18T07:09:44+00:00

  Fix dependency version
  

• 8b3b927b
  by Mateusz Kowalczyk at 2014-12-18T07:14:23+00:00

  Print missing docs by default
  
  Adds --no-print-missing-docs
  

• 59666694
  by Mateusz Kowalczyk at 2014-12-18T07:21:37+00:00

  update changelog
  

• aa6d168e
  by Mateusz Kowalczyk at 2014-12-18T07:30:58+00:00

  Update docs for @since
  

• 2d7043ee
  by Luite Stegeman at 2014-12-19T18:29:35-06:00

  hide projectVersion from DynFlags since it clashes with Haddock.Version.projectVersion
  

• aaa70fc0
  by Luite Stegeman at 2014-12-22T15:58:43+01:00

  Add missing import for standalone haddock-api package
  

• 9ce01269
  by Herbert Valerio Riedel at 2014-12-22T17:48:45+01:00

  Reset ghc-head with master's tree
  
  (this is an overwriting git merge of master into ghc-head)
  

• fcd6fec1
  by Herbert Valerio Riedel at 2014-12-22T17:51:52+01:00

  Bump versions for ghc-7.11
  

• 525ec900
  by Mateusz Kowalczyk at 2014-12-23T13:36:24+00:00

  travis-ci: test with HEAD
  

• cbf494b5
  by Simon Peyton Jones at 2014-12-23T15:22:56+00:00

  Eliminate instanceHead' in favour of GHC's instanceSig
  
  This is made possible by the elimination of "silent superclass
  parameters" in GHC
  

• 50e01c99
  by Mateusz Kowalczyk at 2014-12-29T15:28:47+00:00

  Make travis use 7.10.x
  

• 475e60b0
  by Njagi Mwaniki at 2014-12-29T15:30:44+00:00

  Turn the README into GitHub Markdown format.
  
  Closes haskell/haddock#354
  

• 8cacf48e
  by Luite Stegeman at 2015-01-05T16:25:37+01:00

  bump haddock-api ghc dependency to allow release candidate and first release
  

• 6ed6cf1f
  by Simon Peyton Jones at 2015-01-06T16:37:47+00:00

  Remove redundant constraints from haddock, discovered by -fwarn-redundant-constraints
  

• 8b484f33
  by Simon Peyton Jones at 2015-01-08T15:50:22+00:00

  Track naming change in DataCon
  

• 23c5c0b5
  by Alan Zimmerman at 2015-01-16T10:15:11-06:00

  Follow API changes in D538
  
  Signed-off-by: Austin Seipp <aseipp@pobox.com>
  

• e7a5532c
  by JP Moresmau at 2015-01-22T17:19:03+00:00

  Ignore warnings, install Cabal 1.22
  

• 86942c84
  by jpmoresmau at 2015-01-22T17:19:04+00:00

  solve dataDir ambiguity
  

• 5ceb743e
  by jpmoresmau at 2015-01-22T19:17:32+00:00

  support GHC 7.10: no Safe-Inferred, Foldable instance
  

• 6a3b3fb5
  by Mateusz Kowalczyk at 2015-01-22T19:32:10+00:00

  Update test files
  
  Test: a correct behaviour for fields comma-separating values. I'm
  surprised we had no bug open for this. Maybe it affects how haskell/haddock#301 renders
  now but I doubt.
  
  Operators: Seems GHC is giving us a new order for operators, something
  must have changed on their side again. cc @haasn , this makes the fixity
  to the side not match the order on the LHS which is a bit unpleasant.
  Maybe the fixity can be made to match the GHC order?
  
  Bug335: We expand examples by default now.
  
  Bug310: Now inferred safe.
  

• 708f8b2f
  by jpmoresmau at 2015-01-22T19:36:59+00:00

  Links to source location of class instance definitions
  

• 5cf8a6da
  by Vincent Berthoux at 2015-01-22T19:59:58+00:00

  Filter '\r' from comments due to Windows problems.
  
  On Windows this was causing newline to be rendered twice in code blocks.
  Closes haskell/haddock#359, fixes haskell/haddock#356.
  

• 1749e6f0
  by Mateusz Kowalczyk at 2015-01-22T20:31:27+00:00

  Changelog only
  

• c8145f90
  by Mateusz Kowalczyk at 2015-01-22T23:34:05+00:00

  --package-name and --package-version flags
  
  Used for --hoogle amongst other things. Now we need to teach cabal to
  use it. The situation is still a bit sub-par because if the flags aren't
  passed in, the crash will occur. Closes haskell/haddock#353.
  

• 14248254
  by Mateusz Kowalczyk at 2015-01-22T23:43:18+00:00

  Sort out some module import warnings
  

• d8a38989
  by Simon Peyton Jones at 2015-01-23T07:10:16-06:00

  Track naming change in DataCon
  
  (cherry picked from commit 04cf63d0195837ed52075ed7d2676e71831e8a0b)
  

• d3ac6ae4
  by Alan Zimmerman at 2015-01-23T07:17:19-06:00

  Follow API changes in D538
  
  Signed-off-by: Austin Seipp <aseipp@pobox.com>
  (cherry picked from commit d61bbc75890e4eb0ad508b9c2a27b91f691213e6)
  

• 4c1ffeb0
  by Simon Peyton Jones at 2015-02-10T12:10:33+00:00

  Track changes in HsSyn for quasi-quotes
  

• 775d20f7
  by Mateusz Kowalczyk at 2015-03-15T08:11:48+01:00

  --package-name and --package-version flags
  
  Used for --hoogle amongst other things. Now we need to teach cabal to
  use it. The situation is still a bit sub-par because if the flags aren't
  passed in, the crash will occur. Closes haskell/haddock#353.
  
  (cherry picked from commit 8e06728afb0784128ab2df0be7a5d7a191d30ff4)
  

• f9245e72
  by Phil Ruffwind at 2015-03-16T04:32:01-04:00

  Prevent Synopsis from using up too much horizontal space
  
  When long type signatures occur in the Synopsis, the element is
  stretched beyond the width of the window.  Scrollbars don't appear, so
  it's impossible to read anything when this happens.
  

• cd8fa415
  by Mateusz Kowalczyk at 2015-03-17T21:59:39+00:00

  Update changelog
  
  Closes haskell/haddock#151 due to 71170fc77962f10d7d001e3b8bc8b92bfeda99bc
  

• b5248b47
  by Ben Gamari at 2015-03-25T17:12:17+00:00

  Make the error encountered when a package can't be found more
  user-friendly
  
  Closes haskell/haddock#369
  

• b756b772
  by Mateusz Kowalczyk at 2015-03-26T16:31:40+00:00

  Remove now redundant imports
  

• 5ea5e8dd
  by Mateusz Kowalczyk at 2015-03-26T16:45:52+00:00

  Update test to account for \r filtering
  

• 6539bfb3
  by Mateusz Kowalczyk at 2015-03-27T00:20:09+00:00

  Test for anchor defaulting
  
  I delete the old tests because it turns out that:
  
  * test runner would never put them in scope of each other even with
    imports so just one would suffice
  * test runner actually needed some hacking to keep links so in the end
    we would end up with no anchors making them useless
  

• 1a01d950
  by Mateusz Kowalczyk at 2015-03-27T00:20:09+00:00

  Clearly default to variables in out of scope case
  

• 7943abe8
  by Mateusz Kowalczyk at 2015-03-27T01:14:11+00:00

  Fix Hoogle display of constructors
  
  Fixes haskell/haddock#361
  

• 6d6e587e
  by Mateusz Kowalczyk at 2015-03-27T01:45:18+00:00

  Fully qualify names in Hoogle instances output
  
  Closes haskell/haddock#263
  

• 52dac365
  by Mateusz Kowalczyk at 2015-03-27T01:55:01+00:00

  Update changelog
  

• ca5af9a8
  by Mateusz Kowalczyk at 2015-03-27T02:43:55+00:00

  Output method documentation in Hoogle backend
  
  One thing of note is that we no longer preserve grouping of methods and
  print each method on its own line. We could preserve it if no
  documentation is present for any methods in the group if someone asks
  for it though.
  
  Fixes haskell/haddock#259
  

• a33f0c10
  by Mateusz Kowalczyk at 2015-03-27T03:04:21+00:00

  Don't print instance safety information in Hoogle
  
  Fixes haskell/haddock#168
  

• df6c935a
  by Mateusz Kowalczyk at 2015-03-28T00:11:47+00:00

  Post-release version bumps and changelog
  

• dde8f7c0
  by Mateusz Kowalczyk at 2015-03-28T20:39:10+00:00

  Loosen bounds on haddock-*
  

• de93bf89
  by Mateusz Kowalczyk at 2015-03-28T20:39:10+00:00

  Expand response files in arguments
  
  Closes haskell/haddock#285
  

• 1f0b0856
  by Zejun Wu at 2015-04-26T16:35:35-07:00

  Do not insert anchor for section headings in contents box
  

• 860439d7
  by Simon Peyton Jones at 2015-05-01T09:36:47+01:00

  Track change in API of TyCon
  

• a32f3e5f
  by Adam Gundry at 2015-05-04T15:32:59+01:00

  Track API changes to support empty closed type familes
  

• 77e98bee
  by Ben Gamari at 2015-05-06T20:17:08+01:00

  Ignore doc/haddock.{ps,pdf}
  

• 663d0204
  by Murray Campbell at 2015-05-11T04:47:37-05:00

  Change ModuleTree Node to carry PackageKey and SourcePackageId to resolve haskell/haddock#385
  
  Signed-off-by: Austin Seipp <aseipp@pobox.com>
  

• 8bb0dcf5
  by Murray Campbell at 2015-05-11T06:35:06-05:00

  Change ModuleTree Node to carry PackageKey and SourcePackageId to resolve haskell/haddock#385
  
  Signed-off-by: Austin Seipp <aseipp@pobox.com>
  (cherry picked from commit 2380f07c430c525b205ce2eae6dab23c8388d899)
  

• bad900ea
  by Adam Bergmark at 2015-05-11T15:29:39+01:00

  haddock-library: require GHC >= 7.4
  
  `Data.Monoid.<>` was added in base-4.5/GHC-7.4
  
  Closes haskell/haddock#394
  
  Signed-off-by: Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk>
  

• daceff85
  by Simon Peyton Jones at 2015-05-13T12:04:21+01:00

  Track the new location of setRdrNameSpace
  

• 1937d1c4
  by Alan Zimmerman at 2015-05-25T21:27:15+02:00

  ApiAnnotations : strings in warnings do not return SourceText
  
  The strings used in a WARNING pragma are captured via
  
  strings :: { Located ([AddAnn],[Located FastString]) }
      : STRING { sL1 $1 ([],[L (gl $1) (getSTRING $1)]) }
  ..
  
  The STRING token has a method getSTRINGs that returns the original
  source text for a string.
  
  A warning of the form
  
  {-# WARNING Logic
            , mkSolver
            , mkSimpleSolver
            , mkSolverForLogic
            , solverSetParams
            , solverPush
            , solverPop
            , solverReset
            , solverGetNumScopes
            , solverAssertCnstr
            , solverAssertAndTrack
            , solverCheck
            , solverCheckAndGetModel
            , solverGetReasonUnknown
            "New Z3 API support is still incomplete and fragile: \
            \you may experience segmentation faults!"
    #-}
  
  returns the concatenated warning string rather than the original source.
  

• ee0fb6c2
  by Łukasz Hanuszczak at 2015-05-27T11:51:31+02:00

  Create simple method for indentation parsing.

• 7d6fcad5
  by Łukasz Hanuszczak at 2015-05-27T21:36:13+02:00

  Make nested lists count indentation according to first item.

• d6819398
  by Łukasz Hanuszczak at 2015-05-27T22:46:13+02:00

  Add simple test case for arbitrary-depth list nesting.

• 2929c54d
  by Łukasz Hanuszczak at 2015-06-03T02:11:31+02:00

  Add arbitrary-indent spec test for parser.

• 9a0a9bb0
  by Mateusz Kowalczyk at 2015-06-03T05:25:29+01:00

  Update docs with info on new list nesting rule
  
  Fixes haskell/haddock#278 through commits from PR haskell/haddock#401
  

• 12efc92c
  by Mateusz Kowalczyk at 2015-06-03T05:29:26+01:00

  Update some meta data at the top of the docs
  

• 765ee49f
  by Bartosz Nitka at 2015-06-07T08:40:59-07:00

  Add some Hacking docs for getting started
  

• 19aaf851
  by Bartosz Nitka at 2015-06-07T08:44:30-07:00

  Fix markdown
  

• 2a90cb70
  by Mateusz Kowalczyk at 2015-06-08T15:08:36+01:00

  Refine hacking instructions slightly
  

• 0894da6e
  by Thomas Winant at 2015-06-08T23:47:28-05:00

  Update after wild card renaming refactoring in D613
  
  Summary:
  * Move `Post*` type instances to `Haddock.Types` as other modules than
    `Haddock.Interface.Rename` will rely on these type instances.
  * Update after wild card renaming refactoring in D613.
  
  Reviewers: simonpj, austin
  
  Reviewed By: austin
  
  Differential Revision: https://phabricator.haskell.org/D954
  
  GHC Trac Issues: haskell/haddock#10098
  

• 10a9bb76
  by Emanuel Borsboom at 2015-06-12T02:46:23+01:00

  Build executable with '-threaded' (fixes haskell/haddock#399)
  

• 7696b94f
  by Mateusz Kowalczyk at 2015-06-12T02:59:19+01:00

  Update changelog for -threaded
  
  Closes haskell/haddock#400
  

• d3c118ec
  by Bartosz Nitka at 2015-06-12T03:00:58+01:00

  Fix haddock: internal error: spliceURL UnhelpfulSpan (#207)
  
  Inferred type signatures don't have SrcSpans, so let's use the one from
  the declaration.
  
  I've tested this manually on the test-case from haskell/haddock#207, but I got stuck at
  trying to run the test-suite.
  

• b67e843b
  by Mateusz Kowalczyk at 2015-06-12T03:01:50+01:00

  Changelog for haskell/haddock#207
  
  Fixes haskell/haddock#207, closes haskell/haddock#402
  

• 841d785e
  by jpmoresmau at 2015-06-12T16:03:16+01:00

  Attach to instance location the name that has the same location file
  
  Fixes haskell/haddock#383
  

• 98791cae
  by Mateusz Kowalczyk at 2015-06-12T16:08:27+01:00

  Update changelog
  
  Closes haskell/haddock#398
  

• 7c0b5a87
  by Phil Ruffwind at 2015-06-12T13:07:25-04:00

  Fix alignment of Source links in instance table in Firefox
  
  Due to a Firefox bug [1], a combination of 'whitespace: nowrap' on the
  parent element with 'float: right' on the inner element can cause the
  floated element to be displaced downwards for no apparent reason.
  
  To work around this, the left side is wrapped in its own <span> and set
  to 'float: left'.  As a precautionary measure to prevent the parent
  element from collapsing entirely, we also add the classic "clearfix"
  hack.  The latter is not strictly needed but it helps prevent bugs if
  the layout is altered again in the future.
  
  Fixes haskell/haddock#384.
  
  Remark: line 159 of src/Haddock/Backends/Xhtml/Layout.hs was indented to
          prevent confusion over the operator precedence of (<+>) vs (<<).
  
  [1]: https://bugzilla.mozilla.org/show_bug.cgi?id=488725
  

• cfe86e73
  by Mateusz Kowalczyk at 2015-06-14T10:49:01+01:00

  Update tests for the CSS changes
  

• 2d4983c1
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Create scaffolding for Haskell source parser module.
  

• 29548785
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Implement function for tagging parsed chunks with source spans.

• 6a5e4074
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Implement simple string chunking based on HsColour library.

• 6e52291f
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Create basic token classification method.

• da971a27
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Adapt source span tagging to work with current whitespace handling.

• 4feb5a22
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Add record accessors to exports of hyperlinker parser module.

• a8cc4e39
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Make parser module export all types and associated accessors.

• fb8d468f
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Create simple HTML renderer for parsed source file.

• 80747822
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Add support for specifying the CSS file path in HTML source renderer.

• 994dc1f5
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Fix identifier recognition in Haskell source parser.

• b1bd0430
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Fix comment recognition in Haskell source parser.

• 11db85ae
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Add support for recognizing compiler pragmas in source parser.

• 736c7bd3
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Create scaffolding of module for associating tokens with AST names.
  

• 7e149bc2
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Implement utility method for extracting variable identifiers from AST.
  

• 32eb640a
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Create simple mechanism for associating tokens with AST names.
  

• d4eba5bc
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Add dummy support for hyperlinking named tokens.

• 2b76141f
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Fix span matcher bug causing wrong items being hyperlinked.

• 2d48002e
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Constrain elements exported by hyperlinker modules.

• 9715eec6
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Add support for type token recognition.

• 8fa401cb
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Add support for binding token recognition.

• d062400b
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Implement go-to-definition mechanism for local bindings.

• f4dc229b
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Implement module export- and import-list item hyperlinking.

• c9a46d58
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Fix span matching to allow parenthesized operators hyperlinking.

• 03aad95a
  by Łukasz Hanuszczak at 2015-06-30T22:37:48+02:00

  Fix weird hyperlinking of parenthesized operators.

• b4694a7d
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Add support for type declaration anchors.

• 7358d2d2
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Add support for top-level function declaration anchors.

• dfc24b24
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Fix external anchors to contain HTML file extension.

• a045926c
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Refactor the way AST names are handled within detailed tokens.

• c76049b4
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Implement hyperlinking of imported module names.

• 2d2a1572
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Fix parsing of single line comments with broken up newlines.

• 11afdcf2
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Fix bug with improper newline handling.

• 8137f104
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Fix issues with escaped newlines in comments.

• 34759b19
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Add support for parsing C preprocessor macros.

• 09f0f847
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Add some documentation for parser module of source hyperlinker.

• 709a8389
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Add some documentation for AST module of source hyperlinker.

• 4df5c227
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Add command line option for generating hyperlinked source.

• 7a755ea2
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Extend module interface with rich source token stream field.

• 494f4ab1
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Implement source tokenization during interface creation process.

• 5f21c953
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Create hyperlinker module and plug it into the Haddock pipeline.

• 0cc8a216
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Add support for providing custom CSS files for hyperlinked source.

• a32bbdc1
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Add support for fancy highlighting upon hovering over identifier.

• d16d642a
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Make source hyperlinker generate output in apropriate directory.

• ae12953d
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Create module with hyperlinker utility functions.

• 6d4952c5
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Make external hyperlinks point to locations specified by source URLs.

• 8417555d
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Rewrite source generation to fixed links and directory structure.

• ce9cec01
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Add basic support for cross-package hyperlink generation.

• 7eaf025c
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Disable generating hyperlinks for module references.

• a50bf92e
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Make Haddock generate source for all interfaces (also hidden ones).

• f5ae2838
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Prevent source parser from throwing exception when lexing fails.

• db9ffbe0
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Implement workaround for Chrome highlighting issues.

• 0b6b453b
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Make hyperlinker generate correct anchors for data constructors.

• c86d38bc
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Make hyperlinker generate anchors for record field declarations.

• 063abf7f
  by Łukasz Hanuszczak at 2015-06-30T22:37:49+02:00

  Fix issue with hyperlink highlight styling in Chrome browser.

• 880fc611
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Add support for hyperlinking constructor names in patters.

• c9e89b95
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Add support for hyperlinking field names in record patterns.

• 17a11996
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Add support for hyperlinking field names in record expressions.

• 0eef932d
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Make hyperlinker respect pretty-printer flag and add documentation.

• f87c1776
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Unexpose hyperlinker modules in Cabal configuration.

• 4c9e2b06
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Setup HSpec framework for Haddock API package.

• 4b20cb30
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Add basic tests related to comment parsing.

• 6842e919
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Add tests related to parsing basic language constructs.
  

• 87bffb35
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Add simple tests for do-notation parsing.
  

• e7af1841
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Add very simple QuickCheck properties for source parser spec.

• c84efcf1
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Create simple test runner for hyperlinker tests.

• 76b90447
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Add test case for basic identifier hyperlinking.

• 0fbf4df6
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Add test case for operator hyperlinking.

• 731aa039
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Add test case for constructor hyperlinking.

• 995a78a2
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Add test case for record expressions and patterns hyperlinking.

• 3566875a
  by Łukasz Hanuszczak at 2015-06-30T22:37:50+02:00

  Add test case for literal syntax highlighting.

• 68469a35
  by Łukasz Hanuszczak at 2015-06-30T22:38:33+02:00

  Add hyperlinker test runner to .cabal and .gitignore files. 

• aa946c93
  by Łukasz Hanuszczak at 2015-06-30T22:38:33+02:00

  Adapt hyperlinker test runner to have the same interface as HTML one.

• ce34da16
  by Łukasz Hanuszczak at 2015-06-30T22:38:33+02:00

  Fix hyperlinker test runner file paths and add pretty-printing option.

• 0d7dd65e
  by Łukasz Hanuszczak at 2015-06-30T22:38:33+02:00

  Add reference files for hyperlinker test cases.

• efa4a1e0
  by Łukasz Hanuszczak at 2015-07-01T00:47:32+02:00

  Make hyperlinker test runner strip local links from generated source.

• 3e96e584
  by Łukasz Hanuszczak at 2015-07-01T01:14:59+02:00

  Create simple script for accepting hyperlinker test case references.

• 526fe610
  by Łukasz Hanuszczak at 2015-07-01T01:16:41+02:00

  Re-accept hyperlinker test cases with local references stripped out.

• 892e2cb3
  by Łukasz Hanuszczak at 2015-07-01T01:22:09+02:00

  Fix bug with diffing wrong files in hyperlinker test runner.

• 9ff46039
  by Łukasz Hanuszczak at 2015-07-01T18:04:46+02:00

  Remove unused dependencies in Haddock API spec configuration.

• 47969c07
  by Łukasz Hanuszczak at 2015-07-01T18:32:19+02:00

  Add support for hyperlinking synonyms in patterns.

• a73449e0
  by Łukasz Hanuszczak at 2015-07-01T18:33:44+02:00

  Create test case for hyperlinking @-patterns.

• c2077ed8
  by Łukasz Hanuszczak at 2015-07-01T19:06:04+02:00

  Add support for hyperlinking universally quantified type variables.

• 68017342
  by Łukasz Hanuszczak at 2015-07-01T19:28:32+02:00

  Create hyperlinker test case with quantified type variables.

• 51c01a78
  by Łukasz Hanuszczak at 2015-07-01T19:34:22+02:00

  Add scoped type variables test for polymorphism test case.

• 13181ae2
  by Łukasz Hanuszczak at 2015-07-01T19:56:27+02:00

  Add record wildcards test for records hyperlinking test case.

• 991b81dd
  by Łukasz Hanuszczak at 2015-07-01T21:01:42+02:00

  Document some functions in XHTML utlity module.

• 98c8dfe5
  by Łukasz Hanuszczak at 2015-07-01T22:25:21+02:00

  Make hyperlinker render qualified names as one entity.

• 75e13b9b
  by Łukasz Hanuszczak at 2015-07-01T22:27:38+02:00

  Add qualified name test for identifiers hyperlinking test case.

• de1e143f
  by Łukasz Hanuszczak at 2015-07-02T12:32:59+02:00

  Fix crash happening when hyperlinking type family declarations.

• 7a8fb175
  by Łukasz Hanuszczak at 2015-07-02T12:47:03+02:00

  Add support for anchoring data family constructor declarations.

• 3b404e49
  by Łukasz Hanuszczak at 2015-07-02T13:31:05+02:00

  Improve support for hyperlinking type families.

• 59eb7143
  by Łukasz Hanuszczak at 2015-07-02T13:33:34+02:00

  Add hyperlinker test case for checking type and type family declarations.

• d1cda0c0
  by Łukasz Hanuszczak at 2015-07-02T13:41:38+02:00

  Fix issue with operators being recognized as preprocessor directives.

• da206c9d
  by Łukasz Hanuszczak at 2015-07-02T17:18:12+02:00

  Fix broken tests for parsing and hyperlinking hash operators.

• 53750d1b
  by Łukasz Hanuszczak at 2015-07-02T18:53:28+02:00

  Add support for anchoring signatures in type class declarations.

• 1fa5bb10
  by Łukasz Hanuszczak at 2015-07-02T19:04:47+02:00

  Make hyperlinker generate anchors only to top-level value bindings.

• a542305c
  by Łukasz Hanuszczak at 2015-07-02T19:05:58+02:00

  Create hyperlinker test case for type classes.

• b0dd4581
  by Łukasz Hanuszczak at 2015-07-04T16:28:26+02:00

  Update docs with information about source hyperlinking.

• 9795302a
  by Łukasz Hanuszczak at 2015-07-04T16:52:15+02:00

  Update docs on using `--read-interface` option.

• 9acdc002
  by Łukasz Hanuszczak at 2015-07-04T17:15:26+02:00

  Remove potentially dangerous record access in hyperlinker AST module.

• fb3ab7be
  by Łukasz Hanuszczak at 2015-07-04T17:40:10+02:00

  Make Haddock generate warnings about potential misuse of hyperlinker.

• a324c504
  by Łukasz Hanuszczak at 2015-07-04T17:43:22+02:00

  Fix incorrect specification of source style option in doc file.

• 3f01a8e4
  by Łukasz Hanuszczak at 2015-07-05T17:06:36+02:00

  Refactor source path mapping to use modules as indices.

• ac70f5b1
  by Łukasz Hanuszczak at 2015-07-05T17:47:34+02:00

  Fix bug where not all module interfaces were added to source mapping.

• f5e57da9
  by Łukasz Hanuszczak at 2015-07-06T16:39:57+02:00

  Extract main hyperlinker types to separate module.

• 43974905
  by Łukasz Hanuszczak at 2015-07-06T16:52:13+02:00

  Move source paths types to hyperlinker types module.

• 3e236055
  by Łukasz Hanuszczak at 2015-07-06T17:06:19+02:00

  Add support for hyperlinking modules in import lists.

• 58233d9f
  by Łukasz Hanuszczak at 2015-07-06T17:26:49+02:00

  Add short documentation for hyperlinker source map type.

• 14da016d
  by Łukasz Hanuszczak at 2015-07-06T18:07:20+02:00

  Fix bug with module name being hyperlinked to `Prelude`.

• 8f79db52
  by Łukasz Hanuszczak at 2015-07-06T18:23:47+02:00

  Fix problem with spec build in Haddock API configuration.

• e7cc056c
  by Adam Sandberg Eriksson at 2015-07-07T23:22:21+01:00

  StrictData: print correct strictness marks
  

• e8253ca8
  by Mateusz Kowalczyk at 2015-07-07T23:58:28+01:00

  Update changelog
  

• 0aba676b
  by Mateusz Kowalczyk at 2015-07-07T23:58:33+01:00

  Relax upper bound on GHC a bit
  

• 7a595381
  by Mateusz Kowalczyk at 2015-07-07T23:58:52+01:00

  Delete trailing whitespace
  

• 50976d5e
  by Adam Sandberg Eriksson at 2015-07-08T15:03:04+02:00

  StrictData: changes in HsBang type
  

• 83b045fa
  by Mateusz Kowalczyk at 2015-07-11T14:35:18+01:00

  Fix expansion icon for user-collapsible sections
  
  Closes haskell/haddock#412
  

• b2a3b0d1
  by Mateusz Kowalczyk at 2015-07-22T22:03:21+01:00

  Make some version changes after 2.16.1 release
  

• a8294423
  by Ben Gamari at 2015-07-27T13:16:07+02:00

  Merge pull request haskell/haddock#422 from adamse/adamse-D1033
  
  Merge for GHC D1033

• c0173f17
  by randen at 2015-07-30T14:49:08-07:00

  Break the response file by line termination rather
  than spaces, since spaces may be within the parameters.
  This simple approach avoids having the need for any
  quoting and/or escaping (although a newline char will
  not be possible in a parameter and has no escape
  mechanism to allow it).
  

• 47c0ca14
  by Alan Zimmerman at 2015-07-31T10:41:52+02:00

  Replace (SourceText,FastString) with WithSourceText data type
  
  Phab:D907 introduced SourceText for a number of data types, by replacing
  FastString with (SourceText,FastString). Since this has an Outputable
  instance, no warnings are generated when ppr is called on it, but
  unexpected output is generated. See Phab:D1096 for an example of this.
  
  Replace the (SourceText,FastString) tuples with a new data type
  
  data WithSourceText = WithSourceText SourceText FastString
  
  Trac ticket: haskell/haddock#10692
  

• 45a9d770
  by Mateusz Kowalczyk at 2015-07-31T09:47:43+01:00

  Update changelog
  

• 347a20a3
  by Phil Ruffwind at 2015-08-02T23:15:26+01:00

  Avoid JavaScript error during page load in non-frame mode
  
  In non-frame mode, parent.window.synopsis refers to the synopsis div
  rather than the nonexistent frame.  Unfortunately, the script wrongly
  assumes that if it exists it must be a frame, leading to an error where
  it tries to access the nonexistent attribute 'replace' of an undefined
  value (synopsis.location).
  
  Closes haskell/haddock#406
  

• 54ebd519
  by Phil Ruffwind at 2015-08-02T23:27:10+01:00

  Link to the definitions to themselves
  
  Currently, the definitions already have an anchor tag that allows URLs
  with fragment identifiers to locate them, but it is rather inconvenient
  to obtain such a URL (so-called "permalink") as it would require finding
  the a link to the corresponding item in the Synopsis or elsewhere.  This
  commit adds hyperlinks to the definitions themselves, allowing users to
  obtain links to them easily.
  
  To preserve the original aesthetics of the definitions, we alter the
  color of the link so as to be identical to what it was, except it now
  has a hover effect indicating that it is clickable.
  
  Additionally, the anchor now uses the 'id' attribute instead of the
  (obsolete) 'name' attribute.
  
  Closes haskell/haddock#407
  

• 02cc8bb7
  by Phil Ruffwind at 2015-08-02T23:28:02+01:00

  Fix typo in Haddock.Backends.Xhtml.Layout: divSynposis -> divSynopsis
  
  Closes haskell/haddock#408
  

• 2eb0a458
  by Phil Ruffwind at 2015-08-02T23:30:07+01:00

  Fix record field alignment when name is too long
  
  Change <dl> to <ul> and use display:table rather than floats to layout
  the record fields.  This avoids bug haskell/haddock#301 that occurs whenever the field
  name gets too long.
  
  Slight aesthetic change: the entire cell of the field's source code is
  now shaded gray rather than just the area where text exists.
  
  Fixes haskell/haddock#301. Closes haskell/haddock#421
  

• 7abb3402
  by Łukasz Hanuszczak at 2015-08-02T23:32:14+01:00

  Add some utility definitions for generating line anchors.
  

• e0b1d79b
  by Łukasz Hanuszczak at 2015-08-02T23:32:15+01:00

  Make hyperlinked source renderer generate line anchors.

• 24dd4c9f
  by Łukasz Hanuszczak at 2015-08-02T23:32:15+01:00

  Re-accept test cases after adding line anchors for each of them.

• 0372cfcb
  by Łukasz Hanuszczak at 2015-08-02T23:32:15+01:00

  Override source line flags when source hyperlinker is enabled.

• a81bcd07
  by Mateusz Kowalczyk at 2015-08-02T23:58:25+01:00

  Update tests to follow HTML changes
  

• d2d7426f
  by Łukasz Hanuszczak at 2015-08-06T20:54:59+02:00

  Fix quote syntax for promoted types.

• 668cf029
  by Łukasz Hanuszczak at 2015-08-06T21:12:00+02:00

  Apply promoted type quoting to type-level consing.

• 89f8e7c6
  by Łukasz Hanuszczak at 2015-08-06T21:17:10+02:00

  Extend advanced types test case with other examples.

• 86494bca
  by Łukasz Hanuszczak at 2015-08-06T21:22:06+02:00

  Rename advanced types test case and accept new output.

• dbb7c7c0
  by Adam Sandberg Eriksson at 2015-08-09T23:01:05+02:00

  HsBang is split into HsSrcBang and HsImplBang
  
  With recent changes in GHC handling of strictness annotations in Haddock
  is simplified.
  

• 2a7704fa
  by Ben Gamari at 2015-08-10T13:18:05+02:00

  Merge pull request haskell/haddock#433 from adamse/split-hsbang
  
  HsBang is split into HsSrcBang and HsImplBang

• 891954bc
  by Thomas Miedema at 2015-08-15T14:51:18+02:00

  Follow changes in GHC build system
  

• b55d32ab
  by Mateusz Kowalczyk at 2015-08-21T18:06:09+01:00

  Make Travis use 7.10.2
  

• 97348b51
  by Łukasz Hanuszczak at 2015-08-21T18:22:29+01:00

  Move SYB utilities to standalone module.

• 748ec081
  by Łukasz Hanuszczak at 2015-08-21T18:22:29+01:00

  Implement `everywhere` transformation in SYB module.

• 011cc543
  by Łukasz Hanuszczak at 2015-08-21T18:22:29+01:00

  Implement generic transformation constructor.

• b9510db2
  by Łukasz Hanuszczak at 2015-08-21T18:22:29+01:00

  Create simple utility module for type specialization.

• 43229fa6
  by Łukasz Hanuszczak at 2015-08-21T18:22:29+01:00

  Make type of type specialization function more general.

• fd844e90
  by Łukasz Hanuszczak at 2015-08-21T18:22:29+01:00

  Add basic HTML test case for checking instance specialization.

• 6ea0ad04
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Make HTML class instance printer take optional signature argument.

• 65aa41b6
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Refactor instance head type to record instead of a meaningless tuple.

• 3fc3bede
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Add expandable method section for each class instance declaration.

• 99ceb107
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Move dummy post-family instances for `DocName` to `Types` module.

• e98f4708
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Create convenience functions for type specialization module.

• b947552f
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Hook type specialization logic with HTML pretty-printer.

• dcaa8030
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Create stub functions for sugaring specialized types.

• fa84bc65
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Implement list syntax sugaring logic for specialized types.

• e8b05b07
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Implement tuple syntax sugaring logic for specialized types.

• 68a2e5bc
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Get rid of code duplication in type specialization module.

• 4721c336
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Create scaffolding of a framework for renaming specialized types.

• 271b488d
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Fill in missing cases in specialized type renaming function.

• bfa5f2a4
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Remove code duplication in specialized type renamer.

• ea6bd0e8
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Change state of the type renaming monad.

• 77c5496e
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Implement simple mechanism for generating new type names.

• 91bfb48b
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Fill in stub behaviour with actual environment renaming.

• d244517b
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Fix logic behind binder type renaming.

• f3c5e360
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Add SYB-like utility function for performing stateful queries.

• eb3f9154
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Create function for retrieving free variables from given type.

• a94561d3
  by Łukasz Hanuszczak at 2015-08-21T18:22:30+01:00

  Fix compilation error caused by incorrect type signature.

• 8bb707cf
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Move `SetName` class definition to types module.

• 5800b13b
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Hook type renamer with instance method HTML pretty-printer.

• 6a480164
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Add some test cases for type renamer.

• 839842f7
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Make specialized signatures refer to original signature declaration.

• 4880f7c9
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Make specialized methods be nicely formatted again.

• ab5a6a2e
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Attach source locations to the specialized class methods.

• 43f8a559
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Extend instances test case to also test multi-name type signatures.

• 59bc751c
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Fix tab-based indentation in instances test case.

• c2126815
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Improve placement of instance methods expander button.

• 0a32e287
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Add new data type declaration to instance specialization test case. 

• 5281af1f
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Make type renamer first try single-letter names as  alternatives.

• 7d509475
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Fix type renamer bug with incorrect names being generated.

• 0f35bf7c
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Add some documentation and refactor type specialization module.

• da1d0803
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Fix another bug where type renamer was generating incorrect names.

• cd39b5cb
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Refactor type renamer to rebinding and pure renaming phases.

• 850251f4
  by Łukasz Hanuszczak at 2015-08-21T18:22:31+01:00

  Fix unwitting compilation bug.

• e5e9fc01
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Integrate instance specification type into class instance definition.

• 825b0ea0
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Get rid of no longer neccessary instance specification type.

• cdba44eb
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Fix declaration converter to use more appropriate mode for methods.

• bc45c309
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Fix bug with types not being specialized at all.

• 5d8e5d89
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Fix bug where instance expander was opening wrong section.

• 6001ee41
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Fix another type renamer bug where not all names were rebound.

• 5f58ce2a
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Fix yet another renamer bug where some names were not unique.

• 8265e521
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Split instance subsection layout method to top-level declarations.

• e5e66298
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Rearrange layout of instance methods in generated documentation.

• a50b4eea
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Get rid of no longer used layout method.

• 2ff36ec2
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Attach section title to the instance methods block.

• 7ac15300
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Add basic tests for associated types in instances test case.

• db0ea2f9
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Attach associated types information to instance header.

• 71cad4d5
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Make instance details section contain associated types information.

• deee2809
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Improve look of rendered associated families in instance details.

• 839d13a5
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Introduce alternative type for family declarations.

• d397f03f
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Make instance details record use new type for family declarations.

• 2b23fe97
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Split printer of type family header to separate functions.

• c3498cdc
  by Łukasz Hanuszczak at 2015-08-21T18:22:32+01:00

  Implement HTML renderer for pseudo-family declarations.

• c12bbb04
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Apply type specializer to associated type family declarations. 

• 2fd69ff2
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Create helper method for specializing type signatures.

• 475826e7
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Refactor specializer module to be independent from XHTML backend.

• f00b431c
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Add some documentation for instance head specializer.

• a9fef2dc
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Fix bug with missing space in documentation for associated types.

• 50e29056
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Fix issue with incorrect instance details sections being expanded.

• e6dfdd03
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Accept tests affected by adding instance details section.

• 75565b2a
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Make section identifier of instance details more GHC-independent.

• add0c23e
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Re-accept tests after applying deterministic section identifiers.

• 878f2534
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Make identifier generation also architecture-independent.

• 48be69f8
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Fix issue with instance expander hijacking type hyperlink click.

• 47830c1f
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Get rid of dreadful hashing function for generating identifiers.

• 956cd5af
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Move `InstOrigin` type declaration to more appropriate module.

• bf672ed3
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Accept tests affected by changes related to instance expander.

• 8f2a949a
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Add examples with type operators to the instances test case.

• 64600a84
  by Łukasz Hanuszczak at 2015-08-21T18:22:33+01:00

  Add basic support for sugaring infix type operators.

• 747d71b8
  by Łukasz Hanuszczak at 2015-08-21T18:22:34+01:00

  Add support for sugaring built-in function syntax.

• d4696ffb
  by Łukasz Hanuszczak at 2015-08-21T18:31:31+01:00

  Remove default methods from Hoogle class output.

• bf0e09d7
  by Łukasz Hanuszczak at 2015-08-21T18:31:31+01:00

  Add fixity declarations in Hoogle backend output.

• 90e91a51
  by Łukasz Hanuszczak at 2015-08-21T18:31:31+01:00

  Fix bug with incorrect fixities being generated in Hoogle backend.

• 48f11d35
  by Łukasz Hanuszczak at 2015-08-21T18:31:31+01:00

  Improve class type family declarations output in Hoogle backend.

• 661e8e8f
  by Łukasz Hanuszczak at 2015-08-21T18:31:31+01:00

  Add missing default family equations in Hoogle output.

• e2d64103
  by Łukasz Hanuszczak at 2015-08-21T18:31:31+01:00

  Improve formatting of class details output in Hoogle backend.

• 490fc377
  by Łukasz Hanuszczak at 2015-08-21T18:31:31+01:00

  Fix weird-looking Hoogle output for familyless classes.

• ea115b64
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Create script file for new HTML test runner.

• 609913d3
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Set default behaviour if no arguments given.

• dc115f67
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Add support for providing optional arguments for test runner.

• d93ec867
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Improve output of test runner error messages.

• 0be9fe12
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Add support for executing Haddock process in test runner.

• 4e4d00d9
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Add GHC path to test runner configuration.

• d67a2086
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Make GHC path a test runner command-line argument.

• c810079a
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Extend test runner configuration with Haddock arguments.

• fee18845
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Refactor test runner and create stub functions.

• ff7c161f
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Make test runner actually run Haddock executable.

• 391f73e6
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Fix bug with test runner not producing any output files.

• 81a74e2d
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Setup skeleton of framework for running tests.

• f8a79ec4
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Fix bug with modules not being found in global search mode.

• 7e700b4d
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Make Haddock standard output redirection be more configurable.

• 53b4c17a
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Incorporate old, ugly functions for comparing output files.

• 8277c8aa
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Refactor architecture of test runner output checking functions.

• 587bb414
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Implement actual diffing mechanism.

• 9ed2b5e4
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Improve code style to match popular guidelines.

• 14bffaf8
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Make it possible to choose alternative diff tool.

• 5cdfb005
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Create stub methods for processing test output as XML documents.

• 7ef8e12e
  by Łukasz Hanuszczak at 2015-08-22T23:40:26+02:00

  Implement link-stripping logic as simple SYB transformation.

• 8a1fcd4f
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Incorporate link stripping to output diffing mechanism.

• 37dba2bc
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Implement footer-stripping logic.

• 9cd52120
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Add missing dependencies in Cabal configuration file.

• e0f83c6e
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Fix issue with output being printed in incorrect order.

• 0a94fbb0
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Make it possible to run tests without generating diff.

• 76a58c6f
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Refactor HTML test suite boilerplate to external package.

• af41e6b0
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Create utilities for storing directory configuration.

• d8f0698f
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Move IO-dependent config of HTML test suite to test package.

• 17369fa0
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Enable all compiler warnings in Haddock test package configuration.

• 9d03b47a
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Move Haddock runner of HTML test suite to Haddock test package.

• 4b3483c5
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Make Haddock test package more generic.

• 03754194
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Create convenience wrappers to simplify in test entry points.

• 27476ab7
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Adjust module visibility and items they export.

• c40002ba
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Remove no longer useful test option.

• 55ab2541
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Change extension of test files used for diffing.

• 136bf4e4
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Refactor and simplify XHTML helper module of test package.

• 69f7e3df
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Fix typo in link stripper of HTML test suite runner.

• 0c3c1c6b
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Create convenience script for running specific HTML tests.

• 489e1b05
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Implement utility functions for conditional link stripping.

• 0f985dc3
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Adapt `hypsrc-test` module to work with new testing framework.

• 927406f9
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Implement output accepting mechanism in test package.

• 8545715e
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Create utility function for recursive obtaining directory contents.

• cb70381f
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Make Haddock test package more generic.

• 019599b5
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Fix path handling in test runner.

• 399b985b
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Make it possible to specify ignored files for test output.

• 41b3d93d
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Adapt HTML test runner to use new ignoring functionality.

• e2091c8b
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Fix bug with not all test output files being checked.

• b22134f9
  by Łukasz Hanuszczak at 2015-08-22T23:40:27+02:00

  Specify ignored files for hyperlinker source test runner.

• 3301dfa1
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Copy test runner script for hyperlinked source case.

• d39a6dfa
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Fix bug with test runner invoking Haddock in incorrect mode.

• f32c8ff3
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Fix path handling in test module loader.

• 10f94ee9
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Make test runner ignore test packages with no modules.

• 5dc4239c
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Create test runner entry points for LaTeX test suite.

• 58d1f7cf
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Fix bug with unnecessary checking old test output.

• c7ce76e1
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Re-implement test acceptance functionality.

• 13bbabe8
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Fix warning about no longer needed definition.

• 958a99b8
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Adapt Cabal configuration to execute LaTeX suite with new runner.

• 550ff663
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Setup test suite for Hoogle backend.

• 3aa969c4
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Make Hoogle backend create output directory if needed.

• eb085b02
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Add appropriate .gitignore entry and configure Hoogle test suite.

• a50bf915
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Fix bug with test runner failing when run on multiple test packages.

• bf5368b8
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Create simple test cases for Hoogle backend.

• 6121ba4b
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Create helper function for conversion between XML and XHTML.

• cb516061
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Refactor existing code to use XHTML printer instead of XML one.

• e2de8c82
  by Łukasz Hanuszczak at 2015-08-22T23:40:28+02:00

  Improve portability of test runner scripts.

• 9563e774
  by Łukasz Hanuszczak at 2015-08-22T23:43:16+02:00

  Remove redundant import statement.

• 55353df1
  by Łukasz Hanuszczak at 2015-08-24T23:09:20+02:00

  Fix bug with accepting to non-existing directory.

• 00a334ca
  by Łukasz Hanuszczak at 2015-08-24T23:09:47+02:00

  Accept output for Hoogle and LaTeX backends.

• 29191d8b
  by Łukasz Hanuszczak at 2015-08-24T23:14:18+02:00

  Get rid of obsolete testing utilities.

• bbb25db3
  by Łukasz Hanuszczak at 2015-08-24T23:18:50+02:00

  Update sandbox setup guide to work with Haddock test package.

• cfd45248
  by Łukasz Hanuszczak at 2015-08-24T23:51:30+02:00

  Make Travis aware of Haddock test package.

• 74185b7a
  by Łukasz Hanuszczak at 2015-08-25T17:41:59+02:00

  Fix test suite failure when used with Stack.

• 18769697
  by Łukasz Hanuszczak at 2015-08-25T18:02:09+02:00

  Add sample Stack setup to the hacking guide.
  

• 22715eeb
  by Łukasz Hanuszczak at 2015-08-25T18:04:47+02:00

  Fix Markdown formatting of README file.

• b49ec386
  by Łukasz Hanuszczak at 2015-08-25T18:13:36+02:00

  Setup Haddock executable path in Travis configuration.

• 5d29eb03
  by Eric Seidel at 2015-08-30T09:55:58-07:00

  account for changes to ipClass
  

• f111740a
  by Ben Gamari at 2015-09-02T13:20:37+02:00

  Merge pull request haskell/haddock#443 from bgamari/ghc-head
  
  account for changes to ipClass

• a2654bf6
  by Jan Stolarek at 2015-09-03T01:32:57+02:00

  Follow changes from haskell/haddock#6018
  

• 2678bafe
  by Richard Eisenberg at 2015-09-21T12:00:47-04:00

  React to refactoring CoAxiom branch lists.
  

• ebc56e24
  by Edward Z. Yang at 2015-09-21T11:53:46-07:00

  Track msHsFilePath change.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 4a8c4198
  by Tamar Christina at 2015-09-27T13:59:08+02:00

  Create Process: removed PhaseFailed
  

• 7e99b790
  by Oleg Grenrus at 2015-09-27T20:52:10+03:00

  Generate docs for orphan instances
  

• 32e932e2
  by Oleg Grenrus at 2015-09-28T07:21:11+03:00

  Have source links for orphan instances
  

• c2eb9f4f
  by Oleg Grenrus at 2015-09-28T07:24:58+03:00

  Print orphan instances header only if required
  

• ff96f978
  by Oleg Grenrus at 2015-09-28T07:40:54+03:00

  Add orphan instances link to contents box
  

• d72490a6
  by Oleg Grenrus at 2015-09-28T16:37:44+03:00

  Fix orphan instance collapsing
  

• 25d3dfe5
  by Ben Gamari at 2015-10-03T12:38:09+02:00

  Merge pull request haskell/haddock#448 from Mistuke/fix-silent-death-of-runInteractive
  
  Remove PhaseFailed

• 1e45e43b
  by Edward Z. Yang at 2015-10-11T13:10:10-07:00

  s/PackageKey/UnitId/g and s/packageKey/unitId/g
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• b1370ac1
  by Adam Gundry at 2015-10-16T16:26:42+01:00

  Roughly fix up haddock for DuplicateRecordFields changes
  
  This compiles, but will probably need more work to produce good
  documentation when the DuplicateRecordFields extension is used.
  

• 60bef421
  by Simon Peyton Jones at 2015-10-26T12:52:36+00:00

  Track wip/spj-wildcard-refactor on main repo
  

• 4c1898ca
  by Simon Peyton Jones at 2015-10-27T14:24:56+00:00

  Track change to PatSyn.patSynSig
  

• 25108e85
  by Simon Peyton Jones at 2015-10-27T17:34:18+00:00

  Follow changes to HsTYpe
  
  Not yet complete (but on a wip/ branch)
  

• 693643ac
  by Ben Gamari at 2015-10-28T14:33:06+01:00

  Account for Typeable changes
  
  The treatment of type families changed.
  

• cd7c2221
  by Simon Peyton Jones at 2015-10-30T13:03:51+00:00

  Work on updating Haddock to wip/spj-wildard-recactor
  
  Still incomplete
  

• 712032cb
  by Herbert Valerio Riedel at 2015-10-31T11:01:45+01:00

  Relax upper bound on `base` to allow base-4.9
  

• 0bfa0475
  by Simon Peyton Jones at 2015-10-31T19:08:13+00:00

  More adaption to wildcard-refactor
  

• 0a3c0cb7
  by Simon Peyton Jones at 2015-10-31T22:14:43+00:00

  Merge remote-tracking branch 'origin/ghc-head' into wip/spj-wildcard-refactor
  
  Conflicts:
  	haddock-api/src/Haddock/Convert.hs
  

• c4fd4ec9
  by Alan Zimmerman at 2015-11-01T11:16:34+01:00

  Matching change GHC haskell/haddock#11017 BooleanFormula located
  

• 42cdd882
  by Matthew Pickering at 2015-11-06T20:02:16+00:00

  Change for IEThingWith
  

• f368b7be
  by Ben Gamari at 2015-11-11T11:35:51+01:00

  Eliminate support for deprecated GADT syntax
  
  Follows from GHC D1460.
  

• e32965b8
  by Simon Peyton Jones at 2015-11-13T12:18:17+00:00

  Merge with origin/head
  

• ebcf795a
  by Edward Z. Yang at 2015-11-13T21:56:27-08:00

  Undo msHsFilePath change.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 4e23989f
  by Simon Peyton Jones at 2015-11-18T11:32:54+00:00

  Wibbles to Haddock
  

• 2289cd4a
  by Simon Peyton Jones at 2015-11-20T23:12:49+00:00

  Merge remote-tracking branch 'origin/ghc-head' into wip/spj-wildcard-refactor
  

• 695975a6
  by Alan Zimmerman at 2015-11-21T21:16:12+02:00

  Update to match GHC wip/T11019
  

• bbba21e7
  by Simon Peyton Jones at 2015-11-23T13:54:31+00:00

  merge with origin/ghc-head
  

• 3d664258
  by Simon Peyton Jones at 2015-11-23T17:17:18+00:00

  Wibble
  

• e64cf586
  by Herbert Valerio Riedel at 2015-12-05T00:29:55+01:00

  Canonicalise Monad instances
  

• a2de15a7
  by Alan Zimmerman at 2015-12-05T17:33:52+02:00

  Matching changes for haskell/haddock#11028
  

• cc29a3e4
  by Alan Zimmerman at 2015-12-05T19:45:33+02:00

  Placeholder for record style GADT declaration
  
  A GADT Declaration is now presented as
  
      CmmCondBranch :: {..} -> CmmNode O C
          cml_pred :: CmmExpr
          cml_true, cml_false :: !Label
          cml_likely :: Maybe Bool
  for
  
      CmmCondBranch :: {              -- conditional branch
          cml_pred :: CmmExpr,
          cml_true, cml_false :: ULabel,
          cml_likely :: Maybe Bool    -- likely result of the conditional,
                                      -- if known
      } -> CmmNode O C
  

• 95dd15d1
  by Richard Eisenberg at 2015-12-11T17:33:39-06:00

  Update for type=kinds
  

• cb5fd9ed
  by Herbert Valerio Riedel at 2015-12-14T15:07:30+00:00

  Bump versions for ghc-7.11
  

• 4f286d96
  by Simon Peyton Jones at 2015-12-14T15:10:56+00:00

  Eliminate instanceHead' in favour of GHC's instanceSig
  
  This is made possible by the elimination of "silent superclass
  parameters" in GHC
  

• 13ea2733
  by Simon Peyton Jones at 2015-12-14T15:10:58+00:00

  Remove redundant constraints from haddock, discovered by -fwarn-redundant-constraints
  

• 098df8b8
  by Simon Peyton Jones at 2015-12-14T15:10:58+00:00

  Track changes in HsSyn for quasi-quotes
  

• 716a64de
  by Simon Peyton Jones at 2015-12-14T15:10:58+00:00

  Track change in API of TyCon
  

• 77a66bca
  by Adam Gundry at 2015-12-14T15:10:58+00:00

  Track API changes to support empty closed type familes
  

• f2808305
  by Simon Peyton Jones at 2015-12-14T15:10:58+00:00

  Track the new location of setRdrNameSpace
  

• ba8b08a4
  by Alan Zimmerman at 2015-12-14T15:10:59+00:00

  ApiAnnotations : strings in warnings do not return SourceText
  
  The strings used in a WARNING pragma are captured via
  
  strings :: { Located ([AddAnn],[Located FastString]) }
      : STRING { sL1 $1 ([],[L (gl $1) (getSTRING $1)]) }
  ..
  
  The STRING token has a method getSTRINGs that returns the original
  source text for a string.
  
  A warning of the form
  
  {-# WARNING Logic
            , mkSolver
            , mkSimpleSolver
            , mkSolverForLogic
            , solverSetParams
            , solverPush
            , solverPop
            , solverReset
            , solverGetNumScopes
            , solverAssertCnstr
            , solverAssertAndTrack
            , solverCheck
            , solverCheckAndGetModel
            , solverGetReasonUnknown
            "New Z3 API support is still incomplete and fragile: \
            \you may experience segmentation faults!"
    #-}
  
  returns the concatenated warning string rather than the original source.
  

• a4ded87e
  by Thomas Winant at 2015-12-14T15:14:05+00:00

  Update after wild card renaming refactoring in D613
  
  Summary:
  * Move `Post*` type instances to `Haddock.Types` as other modules than
    `Haddock.Interface.Rename` will rely on these type instances.
  * Update after wild card renaming refactoring in D613.
  
  Reviewers: simonpj, austin
  
  Reviewed By: austin
  
  Differential Revision: https://phabricator.haskell.org/D954
  
  GHC Trac Issues: haskell/haddock#10098
  

• 25c78107
  by Adam Sandberg Eriksson at 2015-12-14T15:14:06+00:00

  StrictData: print correct strictness marks
  

• 6cbc41c4
  by Adam Sandberg Eriksson at 2015-12-14T15:14:06+00:00

  StrictData: changes in HsBang type
  

• ad46821a
  by Alan Zimmerman at 2015-12-14T15:14:06+00:00

  Replace (SourceText,FastString) with WithSourceText data type
  
  Phab:D907 introduced SourceText for a number of data types, by replacing
  FastString with (SourceText,FastString). Since this has an Outputable
  instance, no warnings are generated when ppr is called on it, but
  unexpected output is generated. See Phab:D1096 for an example of this.
  
  Replace the (SourceText,FastString) tuples with a new data type
  
  data WithSourceText = WithSourceText SourceText FastString
  
  Trac ticket: haskell/haddock#10692
  

• abc0ae5b
  by Adam Sandberg Eriksson at 2015-12-14T15:14:06+00:00

  HsBang is split into HsSrcBang and HsImplBang
  
  With recent changes in GHC handling of strictness annotations in Haddock
  is simplified.
  

• 3308d06c
  by Thomas Miedema at 2015-12-14T15:14:07+00:00

  Follow changes in GHC build system
  

• 6c763deb
  by Eric Seidel at 2015-12-14T15:14:07+00:00

  account for changes to ipClass
  

• ae5b4eac
  by Jan Stolarek at 2015-12-14T15:17:00+00:00

  Follow changes from haskell/haddock#6018
  

• ffbc40e0
  by Richard Eisenberg at 2015-12-14T15:17:02+00:00

  React to refactoring CoAxiom branch lists.
  

• d1f531e9
  by Edward Z. Yang at 2015-12-14T15:17:02+00:00

  Track msHsFilePath change.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 79f73754
  by Tamar Christina at 2015-12-14T15:17:02+00:00

  Create Process: removed PhaseFailed
  

• 3d37bebb
  by Edward Z. Yang at 2015-12-14T15:20:46+00:00

  s/PackageKey/UnitId/g and s/packageKey/unitId/g
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 5f8a9e44
  by Adam Gundry at 2015-12-14T15:20:48+00:00

  Roughly fix up haddock for DuplicateRecordFields changes
  
  This compiles, but will probably need more work to produce good
  documentation when the DuplicateRecordFields extension is used.
  

• 79dda70f
  by Simon Peyton Jones at 2015-12-14T15:26:02+00:00

  Track wip/spj-wildcard-refactor on main repo
  

• 959930fb
  by Simon Peyton Jones at 2015-12-14T15:37:50+00:00

  Follow changes to HsTYpe
  
  Not yet complete (but on a wip/ branch)
  

• e18a8df5
  by Simon Peyton Jones at 2015-12-14T15:37:52+00:00

  Work on updating Haddock to wip/spj-wildard-recactor
  
  Still incomplete
  

• aa35ab52
  by Simon Peyton Jones at 2015-12-14T15:40:18+00:00

  More adaption to wildcard-refactor
  

• 8ceef94b
  by Simon Peyton Jones at 2015-12-14T15:46:04+00:00

  Track change to PatSyn.patSynSig
  

• cd81e83d
  by Ben Gamari at 2015-12-14T15:46:06+00:00

  Account for Typeable changes
  
  The treatment of type families changed.
  

• 63c9117c
  by Herbert Valerio Riedel at 2015-12-14T15:46:34+00:00

  Relax upper bound on `base` to allow base-4.9
  

• a484c613
  by Alan Zimmerman at 2015-12-14T15:47:46+00:00

  Matching change GHC haskell/haddock#11017 BooleanFormula located
  

• 2c26fa51
  by Matthew Pickering at 2015-12-14T15:47:47+00:00

  Change for IEThingWith
  

• 593baa0f
  by Ben Gamari at 2015-12-14T15:49:21+00:00

  Eliminate support for deprecated GADT syntax
  
  Follows from GHC D1460.
  

• b6b5ca78
  by Edward Z. Yang at 2015-12-14T15:49:54+00:00

  Undo msHsFilePath change.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• b5b0e072
  by Alan Zimmerman at 2015-12-14T15:54:20+00:00

  Update to match GHC wip/T11019
  

• 14ddeb68
  by Simon Peyton Jones at 2015-12-14T15:54:22+00:00

  Wibble
  

• 10a90ad8
  by Herbert Valerio Riedel at 2015-12-14T15:54:22+00:00

  Canonicalise Monad instances
  

• ed68ac50
  by Alan Zimmerman at 2015-12-14T15:55:48+00:00

  Matching changes for haskell/haddock#11028
  

• 3f7e5a2d
  by Alan Zimmerman at 2015-12-14T15:55:49+00:00

  Placeholder for record style GADT declaration
  
  A GADT Declaration is now presented as
  
      CmmCondBranch :: {..} -> CmmNode O C
          cml_pred :: CmmExpr
          cml_true, cml_false :: !Label
          cml_likely :: Maybe Bool
  for
  
      CmmCondBranch :: {              -- conditional branch
          cml_pred :: CmmExpr,
          cml_true, cml_false :: ULabel,
          cml_likely :: Maybe Bool    -- likely result of the conditional,
                                      -- if known
      } -> CmmNode O C
  

• 6543a73f
  by Richard Eisenberg at 2015-12-14T15:59:55+00:00

  Update for type=kinds
  

• 193a5c48
  by Matthew Pickering at 2015-12-14T18:17:00+00:00

  Changes to compile with 8.0
  

• add669ec
  by Matthew Pickering at 2015-12-14T18:47:12+00:00

  Warnings
  

• 223f3fb4
  by Ben Gamari at 2015-12-15T23:45:05+01:00

  Update for D1200
  

• d058388f
  by Ben Gamari at 2015-12-16T05:40:17-05:00

  Types: Add Outputable[Bndr] DocName instances
  

• 62ecd7fb
  by Ben Gamari at 2015-12-16T09:23:09-05:00

  Fix fallout from wildcards refactoring
  
  The wildcard refactoring was introduced a new type of signature,
  `ClassOpSig`, which is carried by typeclasses. The original patch
  adapting Haddock for this change missed a few places where this
  constructor needed to be handled, resulting in no class methods
  in documentation produced by Haddock.
  
  Additionally, this moves and renames the `isVanillaLSig` helper from
  GHC's HsBinds module into GhcUtils, since it is only used by Haddock.
  

• ddbc187a
  by Ben Gamari at 2015-12-16T17:54:55+01:00

  Update for D1200
  

• cec83b52
  by Ben Gamari at 2015-12-16T17:54:55+01:00

  Types: Add Outputable[Bndr] DocName instances
  

• d12ecc98
  by Ben Gamari at 2015-12-16T17:54:55+01:00

  Fix fallout from wildcards refactoring
  
  The wildcard refactoring was introduced a new type of signature,
  `ClassOpSig`, which is carried by typeclasses. The original patch
  adapting Haddock for this change missed a few places where this
  constructor needed to be handled, resulting in no class methods
  in documentation produced by Haddock.
  
  Additionally, this moves and renames the `isVanillaLSig` helper from
  GHC's HsBinds module into GhcUtils, since it is only used by Haddock.
  

• ada1616f
  by Ben Gamari at 2015-12-16T17:54:58+01:00

  Merge remote-tracking branch 'origin/ghc-head' into HEAD
  

• a4f0383d
  by Ben Gamari at 2015-12-16T23:32:38+01:00

  Fix Hyperlinker
  
  GHC.con_names is now GHC.getConNames
  

• a10e6849
  by Ben Gamari at 2015-12-20T00:54:11+01:00

  Merge remote-tracking branch 'mrhania/testing-framework-improvements' into ghc-head
  

• f078b4fd
  by Ben Gamari at 2015-12-20T00:59:51+01:00

  test: Compatibility with Cabal 1.23
  

• 88a511a9
  by Ben Gamari at 2015-12-20T01:14:35+01:00

  Merge remote-tracking branch 'phadej/orphans' into ghc-head
  

• 4e250f36
  by Ben Gamari at 2015-12-20T01:14:52+01:00

  Add html-test for orphan instances output
  

• 87fffbad
  by Alan Zimmerman at 2015-12-20T09:50:42+02:00

  Update for GHC trac#11258
  
  Adding locations to RdrName in FieldOcc and AmbiguousFieldOcc
  

• 6b7e51c9
  by idontgetoutmuch at 2015-12-20T21:01:47+00:00

  Merge pull request haskell/haddock#1 from haskell/ghc-head
  
  Ghc head

• 229c1fb5
  by Dominic Steinitz at 2015-12-21T07:19:16+00:00

  Handle inline math with mathjax.
  

• 57902d66
  by Dominic Steinitz at 2015-12-21T08:07:11+00:00

  Fix the documentation for haddock itself.
  
  Change notation and add support for inline math.
  
  Allow newlines in display math.
  
  Add a command line option for the mathjax url (you might want to use a
  locally installed version).
  
  Rebase tests because of extra url and version change.
  
  Respond to (some of the) comments.
  
  Fix warnings in InterfaceFile.hs
  

• 0e69f236
  by Herbert Valerio Riedel at 2015-12-21T18:30:43+01:00

  Fix-up left-over assumptions of GHC 7.12 into GHC 8.0
  

• c67f8444
  by Simon Peyton Jones at 2015-12-22T16:26:56+00:00

  Follow removal of NamedWildCard from HsType
  

• da40327a
  by Ben Gamari at 2015-12-23T14:15:28+01:00

  html-test/Operators: Clear up ambiguous types
  
  For reasons that aren't entirely clear a class with ambiguous types was
  accepted by GHC <8.0. I've added a functional dependency to clear up
  this ambiguity.
  

• 541b7fa4
  by Ben Gamari at 2015-12-23T14:18:51+01:00

  Merge remote-tracking branch 'origin/ghc-head' into ghc-head
  

• 0febc947
  by Ben Gamari at 2015-12-24T00:30:20+01:00

  hoogle-test/AssocTypes: Allow AmbiguousTypes
  
  GHC 8.0 complains otherwise
  

• 25810841
  by Ben Gamari at 2015-12-24T00:33:18+01:00

  OrphanInstances: Accept test output
  

• 841987f3
  by Ben Gamari at 2015-12-25T11:03:11+01:00

  Merge remote-tracking branch 'idontgetoutmuch/ghc-head' into ghc-head
  

• 358391f0
  by Ben Gamari at 2015-12-26T10:44:50+01:00

  Add missing import
  

• a8896885
  by Ben Gamari at 2015-12-26T10:45:27+01:00

  travis: Use Travis containers
  

• 85e82134
  by Herbert Valerio Riedel at 2015-12-30T17:25:39+01:00

  tweak version bounds for GHC-8.1
  

• 672a5f75
  by randen at 2016-01-01T23:45:25-08:00

  The Haddock part for fully gcc-like response files
  
  " driver/Main.hs
    * Moved the response file handling into ResponseFile.hs,
      updating import section as appropriate.
  * driver/ResponseFile.hs
    * New file. In anticipation that maybe some day this could
      be provided by another library, and to make it possible
      to unit test, this functionality is pulled out of the
      Main.hs module, and expanded to support the style/format
      of response files which gcc uses.
    * The specification for the format of response files which
      gcc generates and consumes, seems to be best derived from
      the gcc code itself (libiberty/argv.c), so that is what
      has been done here.
    * This is intended to fix haskell/haddock#379
  * driver-test/Main.hs
    * New file for testing code in the driver source tree
  * driver-test/ResponseFileSpec.hs
    * Tests, adapted/adopted from the same gcc code where the
      escaping/unescaping is from, in the hspec style of unit
      tests
  * haddock.cabal
    * Add the driver-test test-suite.  Introduces a new library
      dependency (upon hspec) for the haddock driver target in
      the haddock.cabal file, but practically, this should not
      be a problem as the haddock-api tests already depend on
      hspec.
  

• 498781df
  by Ben Gamari at 2016-01-06T13:41:04+01:00

  Version bumps and changelog
  

• 8451e46a
  by Ben Gamari at 2016-01-06T13:47:17+01:00

  Merge remote-tracking branch 'randen/bug468'
  

• fb2d9181
  by Ben Gamari at 2016-01-06T08:14:42-05:00

  Add ResponseFile to OtherModules
  

• 2cb2d2e3
  by Ben Gamari at 2016-01-06T14:35:00+01:00

  Merge branch 'master' into ghc-head
  

• 913477d4
  by Eric Seidel at 2016-01-11T14:57:57-08:00

  deal with un-wiring of IP class
  

• c557a4b3
  by Alan Zimmerman at 2016-01-15T11:14:35+02:00

  Update to match wip/T11430 in GHC
  

• 3e135093
  by Alan Zimmerman at 2016-01-16T18:21:59+01:00

  Update to match wip/T11430 in GHC
  

• c48ef2f9
  by Ben Gamari at 2016-01-18T09:50:06+01:00

  Merge remote-tracking branch 'gridaphobe/ghc-head' into ghc-head
  

• 9138a1b0
  by Eric Seidel at 2016-01-18T12:50:15+01:00

  deal with un-wiring of IP class
  
  (cherry picked from commit 17388b0f0029d969d79353be7737eb01c7b8dc5f)
  

• b48c172e
  by Joachim Breitner at 2016-01-19T00:11:38+01:00

  Make sure --mathjax affects all written HTML files
  
  This fixes haskell/haddock#475.
  

• af61fe63
  by Ryan Scott at 2016-02-07T23:25:57+01:00

  Render */# instead of TYPE 'Lifted/TYPE 'Unlifted (fixes haskell/haddock#473)
  

• b6458693
  by Ben Gamari at 2016-02-07T23:29:27+01:00

  Merge pull request haskell/haddock#477 from haskell/issue-475
  
  Make sure --mathjax affects all written HTML files

• adcc0071
  by Ben Gamari at 2016-02-07T23:34:52+01:00

  Merge branch 'master' into ghc-head
  

• d0404e61
  by Ben Gamari at 2016-02-08T12:46:49+01:00

  doc: Switch to Sphinx
  

• acb153b3
  by Ben Gamari at 2016-02-08T12:46:56+01:00

  Document --use-unicode flag
  

• c20bdf1d
  by Ben Gamari at 2016-02-08T13:41:24+01:00

  Fix GHC and haddock-library dependency bounds
  

• 8d946801
  by Ben Gamari at 2016-02-08T14:54:56+01:00

  testsuite: Rework handling of output sanitization
  
  Previously un-cleaned artifacts were kept as reference output, making
  it difficult to tell what has changed and causing spurious changes in
  the version control history. Here we rework this, cleaning the output
  during acceptance. To accomplish this it was necessary to move to strict
  I/O to ensure the reference handle was closed before accept attempts to
  open the reference file.
  

• c465705d
  by Ben Gamari at 2016-02-08T15:36:05+01:00

  test: Compare on dump
  
  For reasons I don't understand the Xml representations differ despite
  their textual representations being identical.
  

• 1ec0227a
  by Ben Gamari at 2016-02-08T15:36:05+01:00

  html-test: Accept test output
  

• eefbd63a
  by Ben Gamari at 2016-02-08T15:36:08+01:00

  hypsrc-test: Accept test output
  
  And fix impredicative Polymorphism testcase.
  

• d1df4372
  by Ben Gamari at 2016-02-08T15:40:44+01:00

  Merge branch 'fix-up-testsuite'
  

• 206a3859
  by Phil Ruffwind at 2016-02-08T17:51:21+01:00

  Move the permalinks to "#" on the right side
  
  Since pull request haskell/haddock#407, the identifiers have been permalinked to
  themselves, but this makes it difficult to copy the identifier by
  double-clicking.  To work around this usability problem, the permalinks
  are now placed on the far right adjacent to "Source", indicated by "#".
  
  Also, 'namedAnchor' now uses 'id' instead of 'name' (which is obsolete).
  

• 6c89fa03
  by Phil Ruffwind at 2016-02-08T17:54:44+01:00

  Update tests for previous commit
  

• effaa832
  by Ben Gamari at 2016-02-08T17:56:17+01:00

  Merge branch 'anchors-redux'
  

• 9a2bec90
  by Ben Gamari at 2016-02-08T17:58:40+01:00

  Use -fprint-unicode-syntax when --use-unicode is enabled
  
  This allows GHC to render `*` as its Unicode representation, among other
  things.
  

• 28ecac5b
  by Ben Gamari at 2016-02-11T18:53:03+01:00

  Merge pull request haskell/haddock#480 from bgamari/sphinx
  
  Move documentation to ReStructuredText

• 222e5920
  by Ryan Scott at 2016-02-11T15:42:42-05:00

  Collapse type/data family instances by default
  

• a80ac03b
  by Ryan Scott at 2016-02-11T20:17:09-05:00

  Ensure expanded family instances render correctly
  

• 7f985231
  by Ben Gamari at 2016-02-12T10:04:22+01:00

  Merge remote-tracking branch 'origin/master' into ghc-head
  

• d4eda086
  by Ben Gamari at 2016-02-18T00:05:56+01:00

  Xhtml.Decl: Various cleanups
  

• 79bee48d
  by Ben Gamari at 2016-02-18T00:05:56+01:00

  Xhtml.Decl: Show kind signatures for type family variables
  
  Addresses GHC haskell/haddock#11588.
  

• b2981d98
  by Ben Gamari at 2016-02-18T00:05:56+01:00

  Xhtml.Decl: Show 'where ...' after closed type family
  
  Seems like we should ideally show the actual equations as well but that
  seems like it would be a fair amount of work
  

• cfc0e621
  by Ben Gamari at 2016-02-18T22:48:12+01:00

  Merge pull request haskell/haddock#483 from bgamari/T11588
  
  Fix GHC haskell/haddock#11588
  
  This fixes GHC haskell/haddock#11588:
    * Show where ... after closed type families
    * Show kind signatures on type family type variables
  
  

• 256e8a0d
  by Ben Gamari at 2016-02-18T23:15:39+01:00

  Merge remote-tracking branch 'origin/master' into ghc-head
  

• 32402036
  by Richard Eisenberg at 2016-02-24T13:21:44-05:00

  Follow-on changes to support RuntimeRep
  

• 2b1c572d
  by Matthew Pickering at 2016-03-04T21:04:02+00:00

  Remove unused functions
  

• eb906f50
  by Richard Eisenberg at 2016-03-13T21:17:20+01:00

  Follow-on changes to support RuntimeRep
  
  (cherry picked from commit ab954263a793d8ced734459d6194a5d89214b66c)
  

• 8c34ef34
  by Richard Eisenberg at 2016-03-14T23:47:23-04:00

  Changes due to fix for GHC#11648.
  

• 0e022014
  by Richard Eisenberg at 2016-03-15T14:06:45+01:00

  Changes due to fix for GHC#11648.
  
  (cherry picked from commit bb994de1ab0c76d1aaf1e39c54158db2526d31f1)
  

• ed3f78ab
  by Rik Steenkamp at 2016-04-02T22:20:36+01:00

  Fix printing of pattern synonym types
  
  Removes the call to `patSynType :: PatSyn -> Type` in `Convert.hs` as this
  function will be removed from GHC. Instead, we use the function `patSynSig`
  and build the `HsDecl` manually. This also fixes the printing of the two
  contexts and the quantified type variables in a pattern synonym type.
  
  Reviewers: goldfire, bgamari, mpickering
  
  Differential Revision: https://phabricator.haskell.org/D2048
  

• d3210042
  by Rik Steenkamp at 2016-04-04T15:43:32+02:00

  Fix printing of pattern synonym types
  
  Removes the call to `patSynType :: PatSyn -> Type` in `Convert.hs` as this
  function will be removed from GHC. Instead, we use the function `patSynSig`
  and build the `HsDecl` manually. This also fixes the printing of the two
  contexts and the quantified type variables in a pattern synonym type.
  
  Reviewers: goldfire, bgamari, mpickering
  
  Differential Revision: https://phabricator.haskell.org/D2048
  
  (cherry picked from commit 3ddcbd6b8e6884bd95028381176eb33bee6896fb)
  

• 236eec90
  by Ben Gamari at 2016-04-10T23:40:15+02:00

  doc: Fix option references
  
  (cherry picked from commit f915fb3c74328fb994235bbbd42092a691539197)
  

• 692ee7e0
  by Ben Gamari at 2016-04-10T23:40:15+02:00

  doc: Only install if BUILD_SPHINX_HTML==YES
  
  Fixes GHC haskell/haddock#11818.
  

• 79619f57
  by Ben Gamari at 2016-04-10T23:46:22+02:00

  doc: Only install if BUILD_SPHINX_HTML==YES
  
  Fixes GHC haskell/haddock#11818.
  
  (cherry picked from commit c6d6a18d85e5e2d9bb5904e6919e8a8d7e31c4c5)
  

• 3358ccb4
  by Ben Gamari at 2016-04-10T23:47:27+02:00

  doc: Fix option references
  
  (cherry picked from commit f915fb3c74328fb994235bbbd42092a691539197)
  

• 264949b1
  by Ben Gamari at 2016-04-16T17:50:23+02:00

  Merge pull request haskell/haddock#482 from RyanGlScott/ghc-head
  
  Collapse type/data family instances by default

• 478c483a
  by Ben Gamari at 2016-04-16T17:51:09+02:00

  Merge pull request haskell/haddock#489 from mpickering/unused-functions
  
  Remove some unused functions

• c94e55f0
  by Ryan Scott at 2016-04-16T17:57:54+02:00

  Collapse type/data family instances by default
  
  (cherry picked from commit 2da130a8db8f995c119b544fad807533236cf088)
  

• 31e633d3
  by Ryan Scott at 2016-04-16T17:58:06+02:00

  Ensure expanded family instances render correctly
  
  (cherry picked from commit 1338b5d7c32939de6bbc31af0049477e4f847103)
  

• 03e4d197
  by Matthew Pickering at 2016-04-16T17:58:21+02:00

  Remove unused functions
  
  (cherry picked from commit b89d1c2456bdb2d4208d94ded56155f7088a37d0)
  

• ed4116f6
  by Ben Gamari at 2016-04-20T10:46:57+02:00

  ghc: Install files for needed --hyperlinked-source
  

• 0be999c4
  by Ben Gamari at 2016-04-20T11:37:54+02:00

  ghc: Install files for needed --hyperlinked-source
  
  (cherry picked from commit 5c82c9fc2d21ddaae4a2470f1c375426968f19c6)
  

• 4d17544c
  by Simon Peyton Jones at 2016-04-20T12:42:28+01:00

  Track change to HsGroup
  
  This relates to a big GHC patch for Trac haskell/haddock#11348
  

• 1700a50d
  by Ben Gamari at 2016-05-01T13:19:27+02:00

  doc: At long last fix ghc.mk
  
  The variable reference was incorrectly escaped, meaning that Sphinx
  documentation was never installed.
  

• 0b7c8125
  by Ben Gamari at 2016-05-01T13:21:43+02:00

  doc: At long last fix ghc.mk
  
  The variable reference was incorrectly escaped, meaning that Sphinx
  documentation was never installed.
  
  (cherry picked from commit 609018dd09c4ffe27f9248b2d8b50f6196cd42b9)
  

• af115ce0
  by Ryan Scott at 2016-05-04T22:15:50-04:00

  Render Haddocks for derived instances
  
  Currently, one can document top-level instance declarations, but derived
  instances (both those in `deriving` clauses and standalone `deriving`
  instances) do not enjoy the same privilege. This makes the necessary
  changes to the Haddock API to enable rendering Haddock comments for
  derived instances.
  
  This is part of a fix for Trac haskell/haddock#11768.
  

• 76fa1edc
  by Ben Gamari at 2016-05-10T18:13:25+02:00

  haddock-test: A bit of refactoring for debuggability
  

• 7d4c4b20
  by Ben Gamari at 2016-05-10T18:13:25+02:00

  Create: Mark a comment as TODO
  

• 2a6d0c90
  by Ben Gamari at 2016-05-10T18:13:25+02:00

  html-test: Update reference output
  

• bd60913d
  by Ben Gamari at 2016-05-10T18:13:25+02:00

  hypsrc-test: Fix reference file path in cabal file
  
  It appears the haddock insists on prefixing --hyperlinked-sourcer output
  with directory which the source appeared in.
  

• c1548057
  by Ben Gamari at 2016-05-10T18:22:12+02:00

  doc: Update extra-source-files in Cabal file
  

• 41d5bae3
  by Ben Gamari at 2016-05-10T18:29:21+02:00

  Bump versions
  

• ca75b779
  by Ben Gamari at 2016-05-11T16:03:44+02:00

  Merge remote-tracking branch 'origin/master' into ghc-head
  

• 4e3cfd62
  by Ben Gamari at 2016-05-11T16:06:45+02:00

  Merge remote-tracking branch 'RyanGlScott/ghc-head' into ghc-head
  

• a2379970
  by Ben Gamari at 2016-05-11T23:15:11+02:00

  doc: Add clean targets
  

• f275212e
  by Ben Gamari at 2016-05-11T23:15:14+02:00

  doc: Add html as an all-target for ghc
  
  Otherwise the html documentation won't be installed for binary-dist.
  

• 388fc0af
  by Ben Gamari at 2016-05-12T09:49:12+02:00

  Update CHANGES
  

• bad81ad5
  by Ben Gamari at 2016-05-12T09:49:38+02:00

  Version bump
  

• c01688a7
  by Ben Gamari at 2016-05-12T10:04:58+02:00

  Revert "Version bump"
  
  This bump was a bit premature.
  
  This reverts commit 7b238d9c5be9b07aa2d10df323b5c7b8d1634dc8.
  

• 7ed05724
  by Ben Gamari at 2016-05-12T10:05:33+02:00

  doc: Fix GHC clean rule
  
  Apparently GHC's build system doesn't permit wildcards in clean paths.
  

• 5d9611f4
  by Ben Gamari at 2016-05-12T17:43:50+02:00

  Merge remote-tracking branch 'origin/master' into ghc-head
  

• 653566b2
  by Ben Gamari at 2016-05-14T09:57:31+02:00

  Version bump to 2.17.2
  

• b355c439
  by Ben Gamari at 2016-05-14T09:57:51+02:00

  doc: Use `$(MAKE)` instead of `make`
  
  This is necessary to ensure we use gmake.
  

• 8a18537d
  by Ben Gamari at 2016-05-14T10:15:45+02:00

  Merge remote-tracking branch 'origin/master' into ghc-head
  

• b3290ef1
  by Sebastian Meric de Bellefon at 2016-05-14T11:29:47-04:00

  Fix haskell/haddock#303. Hide footer when printing
  
  The "Produced by Haddock" footer was overlapping the page's body when printing.
  This patch hides the footer with a css media rule.
  

• b4a76f89
  by Sebastian Meric de Bellefon at 2016-05-15T02:12:46-04:00

  Fix haskell/haddock#280. Parsing of module header
  
  The initial newlines were counted as indentation spaces, thus disturbing the parsing of next lines
  

• ba797c9e
  by Ben Gamari at 2016-05-16T14:53:46+02:00

  doc: Vendorize alabaster Sphinx theme
  
  Alabaster is now the default sphinx theme and is a significant
  improvement over the previous default that it's worthproviding it when
  unavailable (e.g. Sphinx <1.3).
  

• c9283e44
  by Ben Gamari at 2016-05-16T14:55:17+02:00

  Merge remote-tracking branch 'origin/master' into ghc-head
  

• 1c9ea198
  by Sebastian Méric de Bellefon at 2016-05-16T12:30:40-04:00

  Merge pull request haskell/haddock#502 from Helkafen/master
  
  Fix haskell/haddock#303. Hide footer when printing

• 33631016
  by Ben Gamari at 2016-05-16T19:56:11+02:00

  Revert "doc: Vendorize alabaster Sphinx theme"
  
  This ended up causes far too many issues to be worthwhile. We'll just
  have to live with inconsistent haddock documentation.
  
  This reverts commit cec21957001143794e71bcd9420283df18e7de40.
  

• 93317d26
  by Ben Gamari at 2016-05-16T19:56:11+02:00

  cabal: Fix README path
  

• c8695b22
  by Ben Gamari at 2016-05-16T19:58:51+02:00

  Merge remote-tracking branch 'origin/master' into ghc-head
  

• 0b50eaaa
  by Ben Gamari at 2016-05-16T21:02:08+02:00

  doc: Use whichever theme sphinx deems appropriate
  

• 857c1c9c
  by Ben Gamari at 2016-05-16T21:07:08+02:00

  Merge remote-tracking branch 'origin/master' into ghc-head
  

• 15fc5637
  by Ben Gamari at 2016-05-22T12:43:59+02:00

  Create: Remove redundant imports
  

• 132ddc6a
  by Ben Gamari at 2016-05-22T12:43:59+02:00

  Create: Better debug output
  
  For tracking down haskell/haddock#505
  

• 2252a149
  by Ben Gamari at 2016-05-22T12:43:59+02:00

  Don't consider default class ops when looking for decls
  
  When we are looking for an operation within a class we don't care about
  `default`-type declarations. This was the cause of haskell/haddock#505.
  

• 4886b2ec
  by Oleg Grenrus at 2016-05-24T16:19:48+03:00

  UnfelpfulSpan line number omitted
  
  Kind of resolves https://github.com/haskell/haddock/issues/508
  

• a4befd36
  by Oleg Grenrus at 2016-05-24T16:53:35+03:00

  Change Hyperlinked lexer to know about DataKinds ticks
  

• f45cb52e
  by David Feuer at 2016-05-24T18:48:53-04:00

  Make parser state a newtype
  
  Previously, it was `data` wrapping a `Maybe`, which seems a bit
  silly. Obviously, this can be changed back if anyone wants to add
  more fields some day.
  

• 05013dd7
  by Sebastian Meric de Bellefon at 2016-05-24T22:03:55-04:00

  remove framed view of the HTML documentation (see haskell/haddock#114 and haskell/haddock#274)
  
  Frames are a bit broken, ignored by Hackage, and considered obsolete in general.
  This patch disables frames generation. The mini_*.html files are still used in the synopsis.
  

• b8163a88
  by Ben Gamari at 2016-05-25T14:44:15+02:00

  Merge pull request haskell/haddock#507 from bgamari/T505
  
  Fix haskell/haddock#505

• ea1b30c6
  by Sebastian Meric de Bellefon at 2016-05-25T14:17:00-04:00

  Update CHANGES
  

• eddfc258
  by Sebastian Méric de Bellefon at 2016-05-25T15:17:40-04:00

  Merge pull request haskell/haddock#514 from Helkafen/frames
  
  remove framed view of the HTML documentation (see haskell/haddock#114 and haskell/haddock#274)

• 0e506818
  by Alex Biehl at 2016-05-26T12:43:09+02:00

  Remove misplaced haddock comment
  

• a07d28c0
  by Ben Gamari at 2016-05-27T11:34:59+02:00

  Merge pull request haskell/haddock#515 from alexbiehl/master
  
  Remove misplaced haddock comment

• 9001d267
  by Ben Gamari at 2016-05-27T11:35:46+02:00

  Merge pull request haskell/haddock#513 from treeowl/newtype-since
  
  Make parser state a newtype

• 74e1a018
  by Sebastian Méric de Bellefon at 2016-05-28T17:28:15-04:00

  Merge pull request haskell/haddock#504 from Helkafen/issue-280
  
  Fix haskell/haddock#280. Parsing of module header

• 37557f4f
  by Alan Zimmerman at 2016-05-29T23:36:50+02:00

  Matching changes for haskell/haddock#12105
  

• 7d09e5d6
  by Sebastian Meric de Bellefon at 2016-06-03T18:07:48-04:00

  Version bumps (2.17.3, 1.4.2)
  

• 85b4bc15
  by Sebastian Méric de Bellefon at 2016-06-06T18:35:13-04:00

  Merge pull request haskell/haddock#521 from Helkafen/master
  
  Version bumps (2.17.3, 1.4.2)

• e95f0dee
  by Sebastian Meric de Bellefon at 2016-06-06T19:11:35-04:00

  publish haddock-test library
  

• 4de40586
  by Sebastian Méric de Bellefon at 2016-06-06T20:26:30-04:00

  Merge pull request haskell/haddock#512 from phadej/oleg-fixes
  
  Fixes for haskell/haddock#508 and haskell/haddock#510

• ddfd0789
  by Dominic Steinitz at 2016-06-09T09:27:28+01:00

  Documentation for LaTeX markup.
  

• 697a503a
  by Dominic Steinitz at 2016-06-09T09:33:59+01:00

  Fix spelling mistake.
  

• 246f6fff
  by Dominic Steinitz at 2016-06-09T09:37:15+01:00

  Camel case MathJax.
  

• 4684bd23
  by Dominic Steinitz at 2016-06-09T09:44:53+01:00

  Fix math typo and add link.
  

• f20c037c
  by Simon Peyton Jones at 2016-06-13T18:26:03+01:00

  Follow changes to LHsSigWcType
  

• 0c58996d
  by Simon Peyton Jones at 2016-06-15T12:56:01+01:00

  Follow GHC re-adding FunTy
  

• 401b5ca7
  by Sebastian Méric de Bellefon at 2016-06-15T12:16:47-04:00

  Merge pull request haskell/haddock#525 from idontgetoutmuch/master
  
  Documentation for LaTeX markup.

• 92d263b7
  by Sebastian Méric de Bellefon at 2016-06-15T12:17:29-04:00

  Merge pull request haskell/haddock#522 from Helkafen/master
  
  publish haddock-test library

• 0953a2ca
  by Sebastian Meric de Bellefon at 2016-06-16T00:46:46-04:00

  Copyright holders shown on several lines. Fix haskell/haddock#279
  

• 65453e14
  by Ben Gamari at 2016-06-16T11:16:32+02:00

  ocean: Ensure that synopsis fully covers other content
  
  Previously MathJax content was being rendered on top of the synopsis due
  to ambiguous z-ordering. Here we explicitly give the synopsis block a
  higher z-index to ensure it is rendered on top. Fixes haskell/haddock#531.
  

• 68e411a1
  by Sebastian Méric de Bellefon at 2016-06-16T23:34:39-04:00

  Merge pull request haskell/haddock#534 from bgamari/T531
  
  ocean: Ensure that synopsis fully covers other content

• fad6491b
  by Sebastian Méric de Bellefon at 2016-06-18T23:57:20-04:00

  Merge pull request haskell/haddock#533 from Helkafen/master
  
  Copyright holders shown on several lines. Fix haskell/haddock#279

• 6108e21b
  by Sebastian Meric de Bellefon at 2016-06-22T23:08:28-04:00

  do not create empty src directory
  
  Fix haskell/haddock#536.
  

• 1ef23823
  by Sebastian Méric de Bellefon at 2016-06-24T00:04:48-04:00

  Merge pull request haskell/haddock#537 from Helkafen/master
  
  do not create empty src directory

• 966baa96
  by Omari Norman at 2016-06-29T21:59:34-04:00

  Add $ as a special character
  
  If this character is not escaped, documentation built with Haddock
  2.17.2 will fail.  This was not an issue with 2.16 series, which
  causes builds to fail and there is nothing in the docs or error
  message giving a clue about why builds that used to succeed now
  don't.
  

• 324adb60
  by Ben Gamari at 2016-07-01T12:18:51+02:00

  GhcUtils: Changes for multi-pattern signatures
  

• d7571675
  by Ömer Sinan Ağacan at 2016-07-21T13:30:47+02:00

  Add support for unboxed sums
  

• 29d0907b
  by Simon Marlow at 2016-07-22T13:55:48+01:00

  Disable NFData instances for GHC types when GHC >= 8.2
  

• 702d95f3
  by Simon Marlow at 2016-08-02T15:57:30+02:00

  Disable NFData instances for GHC types when GHC >= 8.0.2
  
  (cherry picked from commit a3309e797c42dae9bccdeb17ce52fcababbaff8a)
  

• f4fa79c3
  by Ben Gamari at 2016-08-07T13:51:18+02:00

  ghc.mk: Don't attempt to install html/frames.html
  
  The frames business has been removed.
  

• 9cd63daf
  by Ben Gamari at 2016-08-07T13:51:40+02:00

  Haddock.Types: More precise version guard
  
  This allows haddock to be built with GHC 8.0.2 pre-releases.
  

• f3d7e03f
  by Mateusz Kowalczyk at 2016-08-29T20:47:45+01:00

  Merge pull request haskell/haddock#538 from massysett/master
  
  Add $ as a special character

• 16dbf7fd
  by Bartosz Nitka at 2016-09-20T19:44:04+01:00

  Fix rendering of class methods for Eq and Ord
  
  See haskell/haddock#549 and GHC issue haskell/haddock#12519
  

• 7c31c1ff
  by Bartosz Nitka at 2016-09-27T17:32:22-04:00

  Fix rendering of class methods for Eq and Ord
  
  See haskell/haddock#549 and GHC issue haskell/haddock#12519
  
  (cherry picked from commit 073d899a8f94ddec698f617a38d3420160a7fd0b)
  

• 33a90dce
  by Ryan Scott at 2016-09-30T20:53:41-04:00

  Haddock changes for T10598
  
  See https://ghc.haskell.org/trac/ghc/ticket/10598
  

• 1f32f7cb
  by Ben Gamari at 2016-10-13T20:01:26-04:00

  Update for refactoring of NameCache
  

• 1678ff2e
  by Ben Gamari at 2016-11-15T17:42:48-05:00

  Bump upper bound on base
  

• 9262a7c5
  by Alan Zimmerman at 2016-12-07T21:14:28+02:00

  Match changes in GHC wip/T3384 branch
  

• ac0eaf1a
  by Ben Gamari at 2016-12-09T09:48:41-05:00

  haddock-api: Don't use stdcall calling convention on 64-bit Windows
  
  See GHC haskell/haddock#12890.
  

• 04afe4f7
  by Alan Zimmerman at 2016-12-12T20:07:21+02:00

  Matching changes for GHC wip/T12942
  

• e1d1701d
  by Ben Gamari at 2016-12-13T16:50:41-05:00

  Bump base upper bound
  

• 3d3eacd1
  by Alan Zimmerman at 2017-01-10T16:59:38+02:00

  HsIParamTy now has a Located name
  

• 7dbceefd
  by Kyrill Briantsev at 2017-01-12T13:23:50+03:00

  Prevent GHC API from doing optimization passes.
  

• d48d1e33
  by Richard Eisenberg at 2017-01-19T08:41:41-05:00

  Upstream changes re levity polymorphism
  

• 40c25ed6
  by Alan Zimmerman at 2017-01-26T15:16:18+02:00

  Changes to match haskell/haddock#13163 in GHC
  

• 504f586d
  by Ben Gamari at 2017-02-02T17:19:37-05:00

  Kill remaining static flags
  

• 49147ea0
  by Justus Adam at 2017-03-02T15:33:34+01:00

  Adding MDoc to exports of Documentation.Haddock
  

• 1cfba9b4
  by Justus Adam at 2017-03-09T11:41:44+01:00

  Also exposing toInstalledIface
  

• 53f0c0dd
  by Ben Gamari at 2017-03-09T13:10:08-05:00

  Bump for GHC 8.3
  

• c7902d2e
  by Ben Gamari at 2017-03-09T23:46:02-05:00

  Bump for GHC 8.2
  

• 4f3a74f8
  by Ben Gamari at 2017-03-10T10:21:55-05:00

  Merge branch 'ghc-head'
  

• e273b72f
  by Richard Eisenberg at 2017-03-14T13:34:04-04:00

  Update Haddock w.r.t. new HsImplicitBndrs
  

• 6ec3d436
  by Richard Eisenberg at 2017-03-14T15:15:52-04:00

  Update Haddock w.r.t. new HsImplicitBndrs
  

• eee3cda1
  by Ben Gamari at 2017-03-15T15:19:59-04:00

  Adapt to EnumSet
  

• 017cf58e
  by Edward Z. Yang at 2017-03-15T22:50:46-07:00

  Correctly handle Backpack identity/semantic modules.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 736d6773
  by Edward Z. Yang at 2017-03-15T22:50:46-07:00

  Add a field marking if interface is a signature or not.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 475f84a0
  by Edward Z. Yang at 2017-03-15T22:50:46-07:00

  Render signature module tree separately from modules.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 13240b53
  by Edward Z. Yang at 2017-03-15T22:50:46-07:00

  Documentation.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• cd16d529
  by Edward Z. Yang at 2017-03-15T22:50:46-07:00

  More docs.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 3bea97ae
  by Edward Z. Yang at 2017-03-15T22:50:46-07:00

  TODO on moduleExports.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• b2b051ce
  by Edward Z. Yang at 2017-03-15T22:50:46-07:00

  Better Backpack support with signature merging.
  
  When we merge signatures, we gain exports that don't
  necessarily have a source-level declaration corresponding
  to them.  This meant Haddock dropped them.
  
  There are two big limitations:
  
  * If there's no export list, we won't report inherited
    signatures.
  
  * If the type has a subordinate, the current hiDecl
    implementation doesn't reconstitute them.
  
  These are probably worth fixing eventually, but this gets
  us to minimum viable functionality.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 0f082795
  by Edward Z. Yang at 2017-03-15T22:50:46-07:00

  Fix haddock-test to work with latest version of Cabal.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 20ef63c9
  by Edward Z. Yang at 2017-03-22T13:48:12-07:00

  Annotate signature docs with (signature)
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 45692dcb
  by Edward Z. Yang at 2017-03-22T14:11:25-07:00

  Render help documentation link next to (signature) in title.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 4eae8caf
  by Ben Gamari at 2017-03-23T09:25:33-04:00

  Merge commit '240bc38b94ed2d0af27333b23392d03eeb615e82' into HEAD
  

• 0bbe03f5
  by Ben Gamari at 2017-03-23T09:27:28-04:00

  haddock-api: Bump bound on GHC
  

• 65f3ac9d
  by Alex Biehl at 2017-03-23T17:36:11+01:00

  Merge pull request haskell/haddock#581 from JustusAdam/master
  
  Adding more exports to Documentation.Haddock

• 37d49a47
  by Alex Biehl at 2017-03-23T17:39:14+01:00

  Merge pull request haskell/haddock#568 from awson/ghc-head
  
  Prevent GHC API from doing optimization passes.

• 1ed047e4
  by Brian Huffman at 2017-03-23T17:45:58+01:00

  Print any user-supplied kind signatures on type parameters.
  
  This applies to type parameters on data, newtype, type, and class
  declarations, and also to forall-bound type vars in type signatures.
  

• 1b78ca5c
  by Brian Huffman at 2017-03-23T17:45:58+01:00

  Update test suite to expect kind annotations on type parameters.
  

• a856b162
  by Alex Biehl at 2017-03-23T17:49:32+01:00

  Include travis build indication badge

• 8e2e2c56
  by Ben Gamari at 2017-03-23T17:20:08-04:00

  haddock-api: Bump bound on GHC
  

• 4d2d9995
  by Edward Z. Yang at 2017-03-23T17:20:08-04:00

  Correctly handle Backpack identity/semantic modules.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  (cherry picked from commit 26d6c150b31bc4580ab17cfd07b6e7f9afe10737)
  

• a650e20f
  by Edward Z. Yang at 2017-03-23T17:20:08-04:00

  Add a field marking if interface is a signature or not.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  (cherry picked from commit 930cfbe58e2e87f5a4d431d89a3c204934e6e858)
  

• caa282c2
  by Edward Z. Yang at 2017-03-23T17:20:08-04:00

  Render signature module tree separately from modules.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  (cherry picked from commit 2067a2d0afa9cef381d26fb7140b67c62f433fc0)
  

• 49684884
  by Edward Z. Yang at 2017-03-23T17:20:08-04:00

  Documentation.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  (cherry picked from commit 0671abfe7e8ceae2269467a30b77ed9d9656e2cc)
  

• 4dcfeb1a
  by Edward Z. Yang at 2017-03-23T17:20:08-04:00

  More docs.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  (cherry picked from commit 3d77b373dd5807d5d956719dd7c849a11534fa6a)
  

• 74dd19d2
  by Edward Z. Yang at 2017-03-23T17:20:08-04:00

  TODO on moduleExports.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  (cherry picked from commit 94610e9b446324f4231fa6ad4c6ac51e4eba8c0e)
  

• a9b19a23
  by Edward Z. Yang at 2017-03-23T17:20:08-04:00

  Better Backpack support with signature merging.
  
  When we merge signatures, we gain exports that don't
  necessarily have a source-level declaration corresponding
  to them.  This meant Haddock dropped them.
  
  There are two big limitations:
  
  * If there's no export list, we won't report inherited
    signatures.
  
  * If the type has a subordinate, the current hiDecl
    implementation doesn't reconstitute them.
  
  These are probably worth fixing eventually, but this gets
  us to minimum viable functionality.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  (cherry picked from commit 6cc832dfb1de6088a4abcaae62b25a7e944d55c3)
  

• d3631064
  by Edward Z. Yang at 2017-03-23T17:20:08-04:00

  Fix haddock-test to work with latest version of Cabal.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  (cherry picked from commit bf3c4d72a0fda38561376eac7eda216158783267)
  

• ef2148fc
  by Edward Z. Yang at 2017-03-23T17:20:08-04:00

  Annotate signature docs with (signature)
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  (cherry picked from commit 07b88c5d4e79b87a319fbb08f8ea01dbb41063c1)
  

• 2f29518b
  by Edward Z. Yang at 2017-03-23T17:20:08-04:00

  Render help documentation link next to (signature) in title.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  (cherry picked from commit 4eb765ca4205c79539d60b7afa9b7e261a4a49fe)
  

• 37de047d
  by Phil Ruffwind at 2017-04-03T11:57:14+02:00

  Update MathJax URL
  
  MathJax is shutting down their CDN:
  https://www.mathjax.org/cdn-shutting-down/
  
  They recommend migrating to cdnjs.
  

• e9d24ba8
  by David C. Turner at 2017-04-03T14:58:01+02:00

  Add highlight for :target to ocean.css
  

• 4819a202
  by Alex Biehl at 2017-04-11T19:36:48+02:00

  Allow base-4.10 for haddock-test
  

• 44cec69c
  by Alex Biehl at 2017-04-11T19:39:22+02:00

  cabal.project for haddock-api, haddock-library and haddock-test
  

• 935d0f6a
  by Alex Biehl at 2017-04-11T19:46:29+02:00

  Move dist scripts to scripts/
  

• 128e150c
  by Alex Biehl at 2017-04-11T20:34:46+02:00

  Add haddock to cabal.project
  

• cc8e08ea
  by Alex Biehl at 2017-04-11T20:35:08+02:00

  Read files for hyperlinker eagerly
  
  This also exposes Documentation.Haddock.Utf8
  

• 152dda78
  by Alex Biehl at 2017-04-11T20:37:06+02:00

  Explicit import list ofr Control.DeepSeq in Haddock.Interface.Create
  

• 501b33c4
  by Kyrill Briantsev at 2017-04-11T21:01:42+02:00

  Prevent GHC API from doing optimization passes.
  

• c9f3f5ff
  by Alexander Biehl at 2017-04-12T16:36:53+02:00

  Add @alexbiehl as maintaner
  

• 76f214cc
  by Alex Biehl at 2017-04-13T07:27:18+02:00

  Disable doctest with ghc-8.3
  
  Currently doctest doesn't support ghc-head

• 46b4f5fc
  by Edward Z. Yang at 2017-04-22T20:38:26-07:00

  Render (signature) only if it actually is a signature!
  
  I forgot a conditional, oops!
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• f0555235
  by Alex Biehl at 2017-04-25T10:08:48+02:00

  Travis: Use ghc-8.2.1 on master
  

• 966ea348
  by Alex Biehl at 2017-04-25T10:32:01+02:00

  Travis: Verbose cabal output
  
  cf. https://travis-ci.org/haskell/haddock/jobs/225512194#L377

• 36972bcd
  by Alex Biehl at 2017-04-25T10:40:43+02:00

  Use travis_retry for cabal invocations

• b3a09d2c
  by Alex Biehl at 2017-04-25T17:02:20+02:00

  Use new MathJax URL in html-test
  
  18ed871afb82560d5433b2f53e31b4db9353a74e switched to a new MathJax URL
  but didn't update the tests.
  

• ae331e5f
  by Alexander Biehl at 2017-04-25T17:02:20+02:00

  Expand signatures for class declarations
  

• e573c65a
  by Alexander Biehl at 2017-04-25T17:02:20+02:00

  Hoogle: Correctly print classes with associated data types
  

• 3fc6be9b
  by Edward Z. Yang at 2017-04-25T17:02:20+02:00

  Render (signature) only if it actually is a signature!
  
  I forgot a conditional, oops!
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  (cherry picked from commit a0c4790e15a2d3fab8d830eee8fcd639fe6d39c9)
  

• 6725c060
  by Herbert Valerio Riedel at 2017-04-25T17:02:20+02:00

  `html-test --accept` deltas to reference samples
  

• 7d444d61
  by Alex Biehl at 2017-04-26T07:13:50+02:00

  Remove anything related to obsolete frames mode
  

• b888972c
  by Alex Biehl at 2017-04-26T07:49:10+02:00

  Cherry-picked remaining commits from haddock-2.17.4-release (#603)
  
  * Release haddock/haddock-api 2.17.4 and haddock-library 1.4.3
  
  * Set version bounds for haddock-library
  
  NB: This allows GHC 8.2.1's base
  
  * Set version bounds for haddock & haddock-api
  
  The version bounds support GHC 8.2
  
  * Merge (temporary) v2.17.3 branch into v2.17
  
  This allows us to delete the v2.17.3 branch
  
  * Fixup changelog
  
  * Pin down haddock-api to a single version
  
  as otherwise `haddock`'s package version has no proper meaning
  
  * fix source-repo spec for haddock-api
  

• 4161099b
  by Alex Biehl at 2017-04-26T11:11:20+02:00

  Update changelog to reflect news in HEAD
  

• eed72cb8
  by Alex Biehl at 2017-04-26T11:11:20+02:00

  Markdownify changelog
  

• 5815cea1
  by Alex Biehl at 2017-04-26T11:32:33+02:00

  Bump to 2.18.0 (#605)
  
  

• a551d558
  by Alex Biehl at 2017-04-29T22:00:25+02:00

  Update attoparsec-0.12.1.1 to attoparsec-0.13.1.0
  

• ea164a8d
  by Sergey Vinokurov at 2017-04-29T22:42:36+02:00

  Improve error message
  

• 2e10122f
  by Alex Biehl at 2017-04-30T10:07:46+02:00

  Correctly remember collapsed sections (#608)
  
  Now the "collapsed" cookie stores which sections have changed state instead of which are collapsed.

• f9b24d99
  by Alex Biehl at 2017-05-01T17:40:36+02:00

  Lazily decode docMap and argMap (#610)
  
  These are only used in case of a doc reexport so most of the time
  decoding these is wasted work.

• 2372af62
  by Alex Biehl at 2017-05-01T21:59:23+02:00

  Fix Binary instance for InstalledInterface (#611)
  
  (#610) introduced lazy decoding for docs from InstalledInterface but
  forgot to remove the original calls to get and put_

• 6c633c13
  by Nathan Collins at 2017-05-11T11:47:55+02:00

  Improve documenation of Haddock markup (#614)
  
  * Improve documentation of Haddock markup.
  
  - document that Haddock supports inferring types top-level functions
    with without type signatures, but also explain why using this
    feature is discouraged. Looks like this feature has been around
    since version 2.0.0.0 in 2008!
  
  - rework the "Module description" section:
  
    - move the general discussion of field formatting to the section
      intro and add examples illustrating the prose for multiline
      fields.
  
    - mention that newlines are preserved in some multiline fields, but
      not in others (I also noticed that commas in the `Copyright` field
      are not preserved; I'll look into this bug later).
  
    - add a subsection for the module description fields documentation,
      and put the field keywords in code formatting (double back ticks)
      instead of double quotes, to be consistent with the typesetting of
      keywords in other parts of the documentation.
  
    - mention that "Named chunks" are not supported in the long-form
      "Module description" documentation.
  
  - fix formatting of keywords in the "Module attributes"
    section. Perhaps these errors were left over from an automatic
    translation to ReST from some other format as part of the transition
    to using Sphinx for Haddock documentation? Also, add a missing
    reference here; it just said "See ?"!
  
  - update footnote about special treatment for re-exporting partially
    imported modules not being implemented. In my tests it's not
    implemented at all -- I tried re-exporting both `import B
    hiding (f)` and `import B (a, b)` style partial imports, and in both
    cases got the same result as with full imports `import B`: I only
    get a module reference.
  
  * Rework the `Controlling the documentation structure` section.
  
  My main goal was to better explain how to use Haddock without an
  export list, since that's my most common use case, but I hope I
  improved the section overall:
  
  - remove the incomplete `Omitting the export list` section and fold it
    into the other sections. In particular, summarize the differences
    between using and not using an export list -- i.e. control over what
    and in what order is documented -- in the section lead.
  
  - add "realistic" examples that use the structure markup, both with
    and without an export list. I wanted a realistic example here to
    capture how it can be useful to explain the relationship between a
    group of functions in a section, in addition to documenting their
    individual APIs.
  
  - make it clear that you can associate documentation chunks with
    documentation sections when you aren't using an export list, and
    that doing it in the most obvious way -- i.e. with `-- |`, as you
    can in the export list -- doesn't work without an export list. It
    took me a while to figure this out the first time, since the docs
    didn't explain it at all before.
  
  - add a "no export list" example to the section header section.
  
  - add more cross references.
  
  * Add examples of gotchas for markup in `@...@`.
  
  I'm not sure this will help anyone, since I think most people first
  learn about `@...@` by reading other people's Haddocks, but I've
  documented the mistakes which I've made and then gotten confused by.
  
  * Use consistent Capitalization of Titles.
  
  Some titles were in usual title caps, and others only had the first
  word capitalized. I chose making them all use title caps because that
  seems to make the cross references look better.
  

• d4734f45
  by Ben Gamari at 2017-05-12T20:36:08+02:00

  Haddock: Fix broken lazy IO in prologue reading (#615)
  
  We previously used withFile in conjunction with hGetContents. The list returned
  by the latter wasn't completely forced by the time we left the withFile block,
  meaning that we would try to read from a closed handle.

• 93883f37
  by Alex Biehl at 2017-05-12T21:02:33+02:00

  Haddock: Fix broken lazy IO in prologue reading (#615)
  
  We previously used withFile in conjunction with hGetContents. The list returned
  by the latter wasn't completely forced by the time we left the withFile block,
  meaning that we would try to read from a closed handle.

• 5b8f179c
  by Alex Biehl at 2017-05-13T12:48:10+02:00

  Consequently use inClass and notInClass in haddock-library (#617)
  
  These allow attoparsec to do some clever lookup optimization

• 77984b82
  by Doug Wilson at 2017-05-27T17:37:38+02:00

  Don't enable compilation for template haskell (#624)
  
  This is no longer necessary after
  ghc commit 53c78be0aab76a3107c4dacbb1d177afacdd37fa

• 5a3de2b4
  by Doug Wilson at 2017-05-27T19:54:53+02:00

  Improve Syb code (#621)
  
  Specialize.hs and Ast.hs are modified to have their Syb code not recurse into
  Name or Id in HsSyn types.
  
  Specialize.hs is refactored to have fewer calls to Syb functions.
  
  Syb.hs has some foldl calls replaced with foldl' calls.
  
  There is still a lot of performance on the floor of Ast.hs. The RenamedSource
  is traversed many times, and lookupBySpan is very inefficient. everywhereBut and
  lookupBySpan dominate the runtime whenever --hyperlinked-source is passed.

• 3d35a949
  by Alex Biehl at 2017-05-30T19:01:37+02:00

  Clear fixme comment (#625)
  
  

• 2a44bd0c
  by Alex Biehl at 2017-05-30T19:02:12+02:00

  Make haddock-library and haddock-api warning free (#626)
  
  

• bd1a0e42
  by Alex Biehl at 2017-06-01T10:40:33+02:00

  Include `driver-test/*.hs` sdist (#630)
  
  This lead to haskell/haddock#629.

• 184a3ab6
  by Doug Wilson at 2017-06-03T12:02:08+02:00

  Disable pattern match warnings (#628)
  
  This disables the pattern match checker which can be very expensive in some
  cases.
  
  The disabled warnings include:
  * Opt_WarnIncompletePatterns
  * Opt_WarnIncompleteUniPatterns
  * Opt_WarnIncompletePatternsRecUpd
  * Opt_WarnOverlappingPatterns

• 0cf68004
  by Alex Biehl at 2017-06-03T20:37:28+02:00

  Allow user defined signatures for pattern synonyms (#631)
  
  

• 7f51a58a
  by Alex Biehl at 2017-06-04T11:56:38+02:00

  Use NameSet for isExported check (#632)
  
  

• d8f044a9
  by Alan Zimmerman at 2017-06-05T22:26:55+02:00

  Match new AST as per GHC wip/new-tree-one-param
  
  See https://ghc.haskell.org/trac/ghc/wiki/ImplementingTreesThatGrow
  

• da1254e3
  by Alan Zimmerman at 2017-06-05T22:26:55+02:00

  Rename extension index tags
  

• 538c7514
  by Christiaan Baaij at 2017-06-09T08:26:43+02:00

  Haddock support for bundled pattern synonyms (#627)
  
  * Haddock support for bundled pattern synonyms
  
  * Add fixities to bundled pattern synonyms
  
  * Add bundled pattern synonyms to the synopsis
  
  * Store bundled pattern fixities in expItemFixities
  
  * Add test for bundled pattern synonyms
  
  * Stop threading fixities
  
  * Include bundled pattern synonyms for re-exported data types
  
  Sadly, fixity information isn't found for re-exported data types
  
  * Support for pattern synonyms
  
  * Modify tests after haskell/haddock#631
  
  * Test some reexport variations
  
  * Also lookup bundled pattern synonyms from `InstalledInterface`s
  
  * Check isExported for bundled pattern synonyms
  
  * Pattern synonym is exported check
  
  * Always look for pattern synonyms in the current module
  
  Another overlooked cornercase
  
  * Account for types named twice in export lists
  
  Also introduce a fast function for nubbing on a `Name` and use it
  throughout the code base.
  
  * correct fixities for reexported pattern synonyms
  
  * Fuse concatMap and map
  
  * Remove obsolete import
  
  * Add pattern synonyms to visible exports
  
  * Fix test
  
  * Remove corner case
  

• a050bffd
  by Doug Wilson at 2017-06-21T09:27:33+02:00

  Use new function getNameToInstancesIndex instead of tcRnGetInfo (#636)
  
  There is some performance improvement.
  
  GHC compiler:
  | version | bytes allocated | cpu_seconds
  ---------------------------------
  | before  | 56057108648     | 41.0
  | after   | 51592019560     | 35.1
  
  base:
  | version | bytes allocated | cpu_seconds
  ---------------------------------
  | before  | 25174011784     | 14.6
  | after   | 23712637272     | 13.1
  
  Cabal:
  
  | version | bytes allocated | cpu_seconds
  ---------------------------------
  | before  | 18754966920     | 12.6
  | after   | 18198208864     | 11.6

• 5d06b871
  by Doug Wilson at 2017-06-22T20:23:29+02:00

  Use new function getNameToInstancesIndex instead of tcRnGetInfo (#639)
  
  * Use new function getNameToInstancesIndex instead of tcRnGetInfo
  
  There is some significant performance improvement in the ghc testsuite.
  
  haddock.base: -23.3%
  haddock.Cabal: -16.7%
  haddock.compiler: -19.8%
  
  * Remove unused imports
  

• b11bb73a
  by Alex Biehl at 2017-06-23T14:44:41+02:00

  Lookup fixities for reexports without subordinates (#642)
  
  So we agree that reexported declarations which do not have subordinates (for example top-level functions) shouldn't have gotten fixities reexported according to the current logic. I wondered why for example Prelude.($) which is obviously reexported from GHC.Base has fixities attached (c.f. http://hackage.haskell.org/package/base-4.9.1.0/docs/Prelude.html#v:-36-).
  
  The reason is this: In mkMaps we lookup all the subordinates of top-level declarations, of course top-level functions don't have subordinates so for them the resulting list is empty. In haskell/haddock#644 I established the invariant that there won't be any empty lists in the subordinate map. Without the patch from haskell/haddock#642 top-level functions now started to fail reexporting their fixities.

• d2a6dad6
  by Alex Biehl at 2017-06-23T18:30:45+02:00

  Don't include names with empty subordinates in maps (#644)
  
  These are unecessary anyway and just blow up interface size

• 69c2aac4
  by Alex Biehl at 2017-06-29T19:54:49+02:00

  Make per-argument docs for class methods work again (#648)
  
  * Make per-argument docs for class methods work again
  
  * Test case
  

• c9448d54
  by Bartosz Nitka at 2017-07-02T12:12:01+02:00

  Fix haddock: internal error: links: UnhelpfulSpan (#561)
  
  * Fix haddock: internal error: links: UnhelpfulSpan
  
  This fixes haskell/haddock#554 for me. I believe this is another fall out
  of `wildcard-refactor`, like haskell/haddock#549.
  
  * Comment to clarify why we take the methods name location
  

• d4f29eb7
  by Alex Biehl at 2017-07-03T19:43:04+02:00

  Document record fields when DuplicateRecordFields is enabled (#649)
  
  

• 9d6e3423
  by Yuji Yamamoto at 2017-07-03T22:37:58+02:00

  Fix test failures on Windows (#564)
  
  * Ignore .stack-work
  
  * Fix for windows: use nul instead of /dev/null
  
  * Fix for windows: canonicalize line separator
  
  * Also normalize osx line endings
  

• 7d81e8b3
  by Yuji Yamamoto at 2017-07-04T16:13:12+02:00

  Avoid errors on non UTF-8 Windows (#566)
  
  * Avoid errors on non UTF-8 Windows
  
  Problem
  ====
  
  haddock exits with errors like below:
  
  `(1)`
  
  ```
  haddock: internal error: <stderr>: hPutChar: invalid argument (invalid character)
  ```
  
  `(2)`
  
  ```
  haddock: internal error: Language\Haskell\HsColour\Anchors.hs: hGetContents: invalid argument (invalid byte sequence)
  ```
  
  `(1)` is caused by printing [the "bullet" character](http://www.fileformat.info/info/unicode/char/2022/index.htm) onto stderr.
  For example, this warning contains it:
  
  ```
  Language\Haskell\HsColour\ANSI.hs:62:10: warning: [-Wmissing-methods]
      • No explicit implementation for
          ‘toEnum’
      • In the instance declaration for ‘Enum Highlight’
  ```
  
  `(2)` is caused when the input file of `readFile` contains some Unicode characters.
  In the case above, '⇒' is the cause.
  
  Environment
  ----
  
  OS: Windows 10
  haddock: 2.17.3
  GHC: 8.0.1
  
  Solution
  ====
  
  Add `hSetEncoding handle utf8` to avoid the errors.
  
  Note
  ====
  
  - I found the detailed causes by these changes for debugging:
      - https://github.com/haskell/haddock/commit/8f29edb6b02691c1cf4c479f6c6f3f922b35a55b
      - https://github.com/haskell/haddock/commit/1dd23bf2065a1e1f2c14d0f4abd847c906b4ecb4
  - These errors happen even after executing `chcp 65001` on the console.
    According to the debug code, `hGetEncoding stderr` returns `CP932` regardless of the console encoding.
  
  * Avoid 'internal error: <stderr>: hPutChar: invalid argument (invalid character)' non UTF-8 Windows
  
  Better solution for 59411754a6db41d17820733c076e6a72bcdbd82b's (1)
  

• eded67d2
  by Alex Biehl at 2017-07-07T19:17:15+02:00

  Remove redudant import warning (#651)
  
  

• 05114757
  by Alex Biehl at 2017-07-08T00:33:12+02:00

  Avoid missing home module warning (#652)
  
  * Avoid missing home module warning
  
  * Update haddock-library.cabal
  

• e9cfc902
  by Bryn Edwards at 2017-07-17T07:51:20+02:00

  Fix haskell/haddock#249 (#655)
  
  

• eb02792b
  by Herbert Valerio Riedel at 2017-07-20T09:09:15+02:00

  Fix compilation of lib:haddock-library w/ GHC < 8
  

• 9200bfbc
  by Alex Biehl at 2017-07-20T09:20:38+02:00

  Prepare 2.18.1 release (#657)
  
  

• 46ddd22c
  by Herbert Valerio Riedel at 2017-07-20T10:05:14+02:00

  Tweak haddock-api.cabal for pending release
  

• 85e33d29
  by Herbert Valerio Riedel at 2017-07-20T10:05:14+02:00

  Avoid trivial use of LambdaCase
  
  otherwise we can't test w/ e.g. GHC 7.4.2
  

• 3afb4bfe
  by Herbert Valerio Riedel at 2017-07-20T10:05:14+02:00

  Refactor .cabal to use sub-lib for vendored lib
  
  A practical benefit is that we can control the build-depends and also
  avoid some recompilation between library and test-suite.
  

• e56a552e
  by Herbert Valerio Riedel at 2017-07-20T10:17:48+02:00

  haddock-api: add changelog pointing to haddock's changelog
  
  This addresses
  https://github.com/haskell/haddock/issues/638#issuecomment-309283297
  

• 2222ff0d
  by Herbert Valerio Riedel at 2017-07-20T10:19:56+02:00

  Drop obsolete/misleading `stability: experimental`
  
  This .cabal property has long been considered obsolete
  

• 9b882905
  by Alex Biehl at 2017-07-20T11:25:54+02:00

  Beef up haddock description (#658)
  
  * Beef up haddock description
  
  * Handle empty lines
  

• bb60e95c
  by Herbert Valerio Riedel at 2017-07-20T12:08:53+02:00

  Import @aisamanra's Haddock cheatsheet
  
  from https://github.com/aisamanra/haddock-cheatsheet
  

• 0761e456
  by Herbert Valerio Riedel at 2017-07-20T12:12:55+02:00

  Add cheatsheet to haddock.cabal
  

• 2ece0f0f
  by Herbert Valerio Riedel at 2017-07-20T12:18:38+02:00

  Mention new-build in README
  

• 947b7865
  by Herbert Valerio Riedel at 2017-07-20T12:32:16+02:00

  Update README
  
  Also improves markup and removes/fixes redundant/obsolete parts
  
  [skip ci]
  

• 785e09ad
  by Alex Biehl at 2017-07-27T07:28:57+02:00

  Bump haddock to 2.18.2, haddock-library to 1.4.5
  

• e3ff1ca3
  by Alex Biehl at 2017-07-31T20:15:32+02:00

  Move `DocMarkup` from haddock-api to haddock-library (#659)
  
  * Move `DocMarkup` from haddock-api to haddock-library
  
  * Move more markup related functions
  
  * Markup module
  
  * CHANGELOG
  

• cda7c20c
  by Alex Biehl at 2017-07-31T20:35:49+02:00

  Fixup haddock

• 583b6812
  by Alex Biehl at 2017-07-31T21:20:45+02:00

  Changelog for haddock-library
  

• bac6a0eb
  by Alex Biehl at 2017-07-31T21:50:24+02:00

  Prepare haddock-library-1.4.5 release
  

• 58ce6877
  by Moritz Drexl at 2017-08-05T16:44:40+02:00

  Fix renaming after instance signature specializing (#660)
  
  * rework rename
  
  * Add regression test for Bug 613
  
  * update tests
  
  * update changelog
  

• b8137ec8
  by Tim Baumann at 2017-08-06T11:33:38+02:00

  Fix: Generate pattern signatures for constructors exported as patterns (#663)
  
  * Fix pretty-printing of pattern signatures
  
  Pattern synonyms can have up to two contexts, both having a
  different semantic meaning: The first holds the constraints
  required to perform the matching, the second contains the
  constraints provided by a successful pattern match. When the
  first context is empty but the second is not it is necessary
  to render the first, empty context.
  
  * Generate pattern synonym signatures for ctors exported as patterns
  
  This fixes haskell/haddock#653.
  
  * Simplify extractPatternSyn
  
  It is not necessary to generate the simplest type signature since
  it will be simplified when pretty-printed.
  
  * Add changelog entries for PR haskell/haddock#663
  
  * Fix extractPatternSyn error message
  

• d037086b
  by Alex Biehl at 2017-08-06T12:43:25+02:00

  Bump haddock-library

• 99d7e792
  by Alex Biehl at 2017-08-06T12:44:07+02:00

  Bump haddock-library in haddock-api

• 94802a5b
  by Alex Biehl at 2017-08-06T13:18:02+02:00

  Provide --show-interface option to dump interfaces (#645)
  
  * WIP: Provide --show-interface option to dump interfaces
  
  Like ghcs own --show-iface this flag dumps a binary interface file to
  stdout in a human (and machine) readable fashion. Currently it uses
  json as output format.
  
  * Fill all the jsonNull stubs
  
  * Rework Bifunctor instance of DocH, update changelog and documentation
  
  * replace changelog, bring DocMarkupH doc back
  
  * Update CHANGES.md
  
  * Update CHANGES.md
  
  * Move Control.Arrow up
  
  It would result in unused import if the Bifunctor instance is not generated.
  

• c662e476
  by Ryan Scott at 2017-08-14T21:00:21-04:00

  Adapt to haskell/haddock#14060
  

• b891eb73
  by Alex Biehl at 2017-08-16T08:24:48+02:00

  Bifoldable and Bitraversable for DocH and MetaDoc
  

• 021bb56c
  by Alex Biehl at 2017-08-16T09:06:40+02:00

  Refactoring: Make doc renaming monadic
  
  This allows us to later throw warnings if can't find an identifier
  

• 39fbf022
  by Alex Biehl at 2017-08-19T20:35:27+02:00

  Hyperlinker: Avoid linear lookup in enrichToken (#669)
  
  * Make Span strict in Position
  
  * Hyperlinker: Use a proper map to enrich tokens
  

• e13baedd
  by Alex Biehl at 2017-08-21T20:05:42+02:00

  Merge remote-tracking branch 'origin/master' into ghc-head
  

• 27dd6e87
  by Alex Biehl at 2017-08-21T22:06:35+02:00

  Drop Avails from export list
  

• 86b247e2
  by Alex Biehl at 2017-08-22T08:44:22+02:00

  Bump ghc version for haddock-api tests
  

• d4607ca0
  by Alex Biehl at 2017-08-22T08:45:17+02:00

  Revert "Drop Avails from export list"
  
  This reverts commit a850ba86d88a4fb9c0bd175453a2580e544e3def.
  

• c9c54c30
  by Alex Biehl at 2017-08-22T09:26:01+02:00

  IntefaceFile version
  

• a85b7c02
  by Ben Gamari at 2017-08-22T09:29:52-04:00

  haddock: Add Documentation.Haddock.Markup to other-modules
  

• 34e976f5
  by Ben Gamari at 2017-08-22T17:40:06+02:00

  haddock: Add Documentation.Haddock.Markup to other-modules
  

• 577abf06
  by Ryan Scott at 2017-08-23T14:47:29-04:00

  Update for haskell/haddock#14131
  

• da68fc55
  by Florian Eggenhofer at 2017-08-27T18:21:56+02:00

  Generate an index for package content search (#662)
  
  Generate an index for package content search

• 39e62302
  by Alex Biehl at 2017-08-27T18:50:16+02:00

  Content search for haddock html doc
  

• 91fd6fb2
  by Alex Biehl at 2017-08-28T18:39:58+02:00

  Fix tests for content search
  

• b4a3798a
  by Alex Biehl at 2017-08-28T18:44:08+02:00

  Add search button to #page-menu
  

• 25a7ca65
  by Alex Biehl at 2017-08-28T18:47:43+02:00

  Load javascript below the fold
  

• 8d323c1a
  by Alex Biehl at 2017-08-28T18:49:22+02:00

  Accept tests
  

• c5dac557
  by Alex Biehl at 2017-08-28T19:14:55+02:00

  Content search css
  

• 89a5af57
  by Paolo Veronelli at 2017-08-29T07:42:13+02:00

  Removed `nowrap` for interface method sigs (#674)
  
  with nowrap the interfaces method sigs would expand at libitum

• a505f6f7
  by Alex Biehl at 2017-08-29T08:05:33+02:00

  Include subordinates in content index
  

• 4bb698c4
  by Alexander Biehl at 2017-08-29T11:40:19+02:00

  QuickNav: Make docbase configurable
  

• c783bf44
  by Alexander Biehl at 2017-08-29T11:48:36+02:00

  QuickNav: Also use baseUrl for doc-index.json request
  

• 47017510
  by Alex Biehl at 2017-08-29T17:56:47+02:00

  Fix test fallout (again)
  

• 924fc318
  by Alex Biehl at 2017-08-30T09:24:56+02:00

  Write meta.json when generating html output (#676)
  
  

• 717dea52
  by Alex Biehl at 2017-09-01T09:20:34+02:00

  Use relative URL when no docBaseUrl given

• e5d85f3b
  by Alex Biehl at 2017-09-01T09:35:19+02:00

  Add missing js files to data-files (#677)
  
  

• 95b9231a
  by Alex Biehl at 2017-09-01T11:01:36+02:00

  Rename "Search" tab to "Quick Jump"

• da0ead0b
  by Alex Biehl at 2017-09-01T13:03:49+02:00

  Make trigger link configurable (#678)
  
  QuickNav: Configurable show/hide trigger

• de7da594
  by Ben Gamari at 2017-09-05T06:49:55-04:00

  Account for "Remember the AvailInfo for each IE"
  
  As of GHC commit f609374a55bdcf3b79f3a299104767aae2ffbf21 GHC retains the
  AvailInfo associated with each IE. @alexbiehl has a patch making proper use of
  this change, but this is just to keep things building.
  

• b05cd3b3
  by Ben Gamari at 2017-09-14T07:55:07-04:00

  Bump upper bound on base
  

• 79db899e
  by Herbert Valerio Riedel at 2017-09-21T23:27:52+02:00

  Make compatible with Prelude.<> export in GHC 8.4/base-4.11
  

• 3405dd52
  by Tim Baumann at 2017-09-23T22:02:01+02:00

  Add compile step that bundles and compresses JS files (#684)
  
  * Add compile step that bundles and compresses JS files
  
  Also, manage dependencies on third-party JS libraries using NPM.
  
  * Compile JS from TypeScript
  
  * Enable 'noImplicitAny' in TypeScript
  
  * QuickJump: use JSX syntax
  
  * Generate source maps from TypeScript for easier debugging
  
  * TypeScript: more accurate type
  
  * Separate quick jump css file from ocean theme
  

• df0b5742
  by Alex Biehl at 2017-09-29T21:15:40+02:00

  Bump base for haddock-library and haddock-test
  

• 62b12ea0
  by Merijn Verstraaten at 2017-10-04T16:03:13+02:00

  Inhibit output of coverage information for hidden modules. (#687)
  
  * Inhibit output of coverage information for hidden modules.
  
  * Add changelog entry.
  

• 8daf8bc1
  by Alexander Biehl at 2017-10-05T11:27:05+02:00

  Don't use subMap in attachInstances
  

• ad75114e
  by Alexander Biehl at 2017-10-05T11:27:58+02:00

  Revert "Don't use subMap in attachInstances"
  
  This reverts commit 3adf5bcb1a6c5326ab33dc77b4aa229a91d91ce9.
  

• 7d4aa02f
  by Alex Biehl at 2017-10-08T15:32:28+02:00

  Precise Haddock: Use Avails for export resolution (#688)
  
  * Use Avails for export resolution
  
  * Support reexported modules
  
  * Factor out availExportItem
  
  * Use avails for fullModuleExports
  
  * Don't use subMap in attachInstances
  
  * lookupDocs without subMap
  
  * Completely remove subMap
  
  * Only calculate unqualified modules when explicit export list is given
  
  * Refactor
  
  * Refine comment
  
  * return
  
  * Fix
  
  * Refactoring
  
  * Split avail if declaration is not exported itself
  
  * Move avail splitting
  

• b9b4faa8
  by Alex Biehl at 2017-10-08T19:38:21+02:00

  Merge remote-tracking branch 'origin/ghc-head' into HEAD
  

• 43325295
  by Alex Biehl at 2017-10-08T20:18:46+02:00

  Fix merge fallout
  

• c6423cc0
  by Alex Biehl at 2017-10-08T20:36:12+02:00

  Copy QuickJump files over
  

• 1db587c3
  by Tim Baumann at 2017-10-09T18:33:09+02:00

  Use <details> element for collapsibles (#690)
  
  * Remove unnecessary call to 'collapseSection'
  
  The call is unnecessary since there is no corresponding toggle for hiding the
  section of orphan instances.
  
  * Use <details> for collapsibles
  
  This makes them work even when JS is disabled. Closes haskell/haddock#560.
  

• 1b54c64b
  by Tim Baumann at 2017-10-10T09:50:59+02:00

  Quick Jump: Show error when loading 'doc-index.json' failed (#691)
  
  

• 910f716d
  by Veronika Romashkina at 2017-10-24T07:36:20+02:00

  Fix tiny typo in docs (#693)
  
  

• b21de7e5
  by Ryan Scott at 2017-10-24T13:07:15+02:00

  Overhaul Haddock's rendering of kind signatures (#681)
  
  * Overhaul Haddock's rendering of kind signatures
  
  * Strip off kind signatures when specializing
  
  As an added bonus, this lets us remove an ugly hack specifically for `(->)`.
  Yay!
  
  * Update due to 0390e4a0f61e37bd1dcc24a36d499e92f2561b67
  
  * @alexbiehl's suggestions
  
  * Import injectiveVarsOfBinder from GHC
  

• 6704405c
  by Ryan Scott at 2017-10-28T07:10:27+02:00

  Fix Haddock rendering of kind-indexed data family instances (#694)
  
  

• 470f6b9c
  by Alex Biehl at 2017-10-30T08:45:51+01:00

  Add QuickJump version to meta.json (#696)
  
  

• b89eccdf
  by Alex Biehl at 2017-10-30T10:15:49+01:00

  Put Quickjump behind --quickjump flag (#697)
  
  

• 3095fb58
  by Alex Biehl at 2017-10-30T19:09:06+01:00

  Add build command to package.json
  

• f223fda9
  by Alex Biehl at 2017-10-30T19:10:39+01:00

  Decrease threshold for fuzzy matching
  

• 80245dda
  by Edward Z. Yang at 2017-10-31T20:35:05+01:00

  Supported reexported-modules via --reexport flag.
  
  Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
  

• 7e389742
  by Alex Biehl at 2017-10-31T20:37:56+01:00

  Correct missing title in changelog
  

• 1a2a1c03
  by Alex Biehl at 2017-10-31T20:59:07+01:00

  Copy quickjump.css for nicer error messages
  

• db234bb9
  by Alex Biehl at 2017-10-31T21:31:18+01:00

  Reexported modules: Report warnings if argument cannot be parsed or
  
  ... module cannot be found
  

• eea8a205
  by Carlo Hamalainen at 2017-10-31T21:43:14+01:00

  More general type for nameCacheFromGhc. (#539)
  
  

• 580eb42a
  by Alex Biehl at 2017-10-31T21:46:52+01:00

  Remote tab
  

• 0e599498
  by Alex Biehl at 2017-10-31T21:48:55+01:00

  Merge remote-tracking branch 'origin/master' into ghc-head
  

• 7b8539bb
  by Alex Biehl at 2017-10-31T22:28:34+01:00

  fullModuleContents traverses exports in declaration order
  

• 0c91fbf2
  by Alex Biehl at 2017-10-31T22:32:31+01:00

  Remove excessive use of list comprehensions
  

• f7356e02
  by Alex Biehl at 2017-11-01T19:11:03+01:00

  Make better use of AvailInfo
  

• f3e512d5
  by Alex Biehl at 2017-11-02T12:16:22+01:00

  Always return documentation for exported subordinates
  
  ... event if they have no documentation (e.g. noDocForDecl)
  
  By using the information in the AvailInfo we don't need additional
  export checks.
  

• 7cf58898
  by Alan Zimmerman at 2017-11-07T08:28:03+02:00

  Match changes for Trees that Grow in GHC
  

• e5105a41
  by Alan Zimmerman at 2017-11-08T17:21:58+02:00

  Match Trees That Grow
  

• 55178266
  by Alan Zimmerman at 2017-11-11T22:20:31+02:00

  Match Trees that Grow in GHC for HsExpr
  

• 2082ab02
  by Ryan Scott at 2017-11-14T15:27:03+01:00

  Actually render infix type operators as infix (#703)
  
  * Actually render infix type operators as infix
  
  * Account for things like `(f :*: g) p`, too
  

• c52ab7d0
  by Alan Zimmerman at 2017-11-14T23:14:26+02:00

  Clean up use of PlaceHolder, to match TTG
  

• 81cc9851
  by Moritz Angermann at 2017-11-20T07:52:49+01:00

  Declare use of `Paths_haddock` module in other-modules (#705)
  
  This was detected by `-Wmissing-home-modules`

• f9d27598
  by Moritz Angermann at 2017-11-20T12:47:34+01:00

  Drop Paths_haddock from ghc.mk (#707)
  
  With haskell/haddock#705 and haskell/haddock#706, the custom addition should not be necessary any more.
  # Conflicts:
  #	ghc.mk

• f34818dc
  by Moritz Angermann at 2017-11-20T12:47:59+01:00

  Add autogen-modules (#706)
  
  > Packages using 'cabal-version: >= 1.25' and the autogenerated module Paths_* must include it also on the 'autogen-modules' field besides 'exposed-modules' and 'other-modules'. This specifies that the module does not come with the package and is generated on setup. Modules built with a custom Setup.hs script also go here to ensure that commands like sdist don't fail.
  # Conflicts:
  #	haddock.cabal

• bb43a0aa
  by Ben Gamari at 2017-11-21T15:50:12-05:00

  Revert "Clean up use of PlaceHolder, to match TTG"
  
  This reverts commit 134a7bb054ea730b13c8629a76232d73e3ace049.
  

• af9ebb2b
  by Ben Gamari at 2017-11-21T15:50:14-05:00

  Revert "Match Trees that Grow in GHC for HsExpr"
  
  This reverts commit 9f054dc365379c66668de6719840918190ae6e44.
  

• 5d35c3af
  by Ben Gamari at 2017-11-21T15:50:15-05:00

  Revert "Match Trees That Grow"
  
  This reverts commit 73a26af844ac50b8bec39de11d64452a6286b00c.
  

• 99a8e43b
  by Ben Gamari at 2017-11-21T16:36:06-05:00

  Revert "Match changes for Trees that Grow in GHC"
  
  This reverts commit 01eeeb048acd2dd05ff6471ae148a97cf0720547.
  

• c4d650c2
  by Ben Gamari at 2017-12-04T15:06:07-05:00

  Bump GHC version
  

• 027b2274
  by Ben Gamari at 2017-12-04T17:06:31-05:00

  Bump GHC bound to 8.4.*
  

• 58eaf755
  by Alex Biehl at 2017-12-06T15:44:24+01:00

  Update changelog

• d68f5584
  by Simon Peyton Jones at 2017-12-07T14:39:56+00:00

  Track changes to follow Trac haskell/haddock#14529
  
  This tracks the refactoring of HsDecl.ConDecl.
  

• dc519d6b
  by Alec Theriault at 2018-01-06T08:20:43-08:00

  Pass to GHC visible modules for instance filtering
  
  The GHC-side `getNameToInstancesIndex` filters out incorrectly some
  instances because it is not aware of what modules are visible. On the
  Haddock side, we need to pass in the modules we are processing.
  
  On the GHC side, we need to check against _those_ modules when checking
  if an instance is visible.
  

• 8285118c
  by Alec Theriault at 2018-01-13T12:12:37+01:00

  Constructor and pattern synonym argument docs (#709)
  
  * Support Haddocks on constructor arguments
  
  This is in conjunction with https://phabricator.haskell.org/D4094.
  Adds support for rendering Haddock's on (non-record) constructor
  arguments, both for regular and GADT constructors.
  
  * Support haddocks on pattern synonym arguments
  
  It appears that GHC already parsed these - we just weren't using them.
  In the process of doing this, I tried to deduplicate some code around
  handling patterns.
  
  * Update the markup guide
  
  Add some information about the new support for commenting constructor
  arguments, and mention pattern synonyms and GADT-style constructors.
  
  * Overhaul LaTeX support for data/pattern decls
  
  This includes at least
  
    * fixing several bugs that resulted in invalid LaTeX
    * fixing GADT data declaration headers
    * overhaul handling of record fields
    * overhaul handling of GADT constructors
    * overhaul handling of bundled patterns
    * add support for constructor argument docs
  
  * Support GADT record constructors
  
  This means changes what existing HTML docs look like.
  
  As for LaTeX, looks like GADT records were never even supported. Now they are.
  
  * Clean up code/comments
  
  Made code/comments consistent between the LaTeX and XHTML backend
  when possible.
  
  * Update changelog
  
  * Patch post-rebase regressions
  
  * Another post-rebase change
  
  We want return values to be documentable on record GADT constructors.
  

• ca4fabb4
  by Alec Theriault at 2018-01-15T17:12:18-08:00

  Update the GblRdrEnv when processing modules
  
  Without a complete environment, we will miss some instances that were
  encountered during typechecking.
  

• 4c472fea
  by Ryan Scott at 2018-01-19T10:44:02+01:00

  Fix haskell/haddock#732 (#733)
  
  

• bff14dbd
  by Alex Biehl at 2018-01-19T15:33:30+01:00

  extractDecl: Extract associated types correctly (#736)
  
  

• a2a94a73
  by Alex Biehl at 2018-01-19T15:34:40+01:00

  extractDecl: Extract associated types correctly (#736)
  
  

• 26df93dc
  by Alex Biehl at 2018-01-20T10:18:22+01:00

  haddock-api: bump ghc to ^>= 8.4
  

• f65aeb1d
  by Alex Biehl at 2018-01-20T19:18:20+01:00

  Fix duplicate declarations and TypeFamilies specifics
  

• 0e721b97
  by Alex Biehl at 2018-01-20T19:20:19+01:00

  Fix duplicate declarations and TypeFamilies specifics
  

• cb6234f6
  by Ben Gamari at 2018-01-26T13:40:55-05:00

  Merge remote-tracking branch 'harpocrates/fix/missing-orphan-instances' into ghc-head
  

• 0fc28554
  by Alec Theriault at 2018-02-01T14:58:18+01:00

  Pass to GHC visible modules for instance filtering
  
  The GHC-side `getNameToInstancesIndex` filters out incorrectly some
  instances because it is not aware of what modules are visible. On the
  Haddock side, we need to pass in the modules we are processing.
  
  On the GHC side, we need to check against _those_ modules when checking
  if an instance is visible.
  

• b9123772
  by Alec Theriault at 2018-02-01T14:58:18+01:00

  Update the GblRdrEnv when processing modules
  
  Without a complete environment, we will miss some instances that were
  encountered during typechecking.
  

• 0c12e274
  by Ryan Scott at 2018-02-01T14:58:18+01:00

  Fix haskell/haddock#548 by rendering datatype kinds more carefully (#702)
  

• 8876d20b
  by Alec Theriault at 2018-02-01T14:58:18+01:00

  Use the GHC lexer for the Hyperlinker backend (#714)
  
  * Start changing to use GHC lexer
  
  * better cpp
  
  * Change SrcSpan to RealSrcSpan
  
  * Remove error
  
  * Try to stop too many open files
  
  * wip
  
  * wip
  
  * Revert "wip"
  
  This reverts commit b605510a195f26315e3d8ca90e6d95a6737553e1.
  
  Conflicts:
  	haddock-api/haddock-api.cabal
  	haddock-api/src/Haddock/Interface.hs
  
  * Remove pointless 'caching'
  
  * Use dlist rather than lists when finding vars
  
  * Use a map rather than list
  
  * Delete bogus comment
  
  * Rebase followup
  
  Things now run using the GHC lexer. There are still
  
    - stray debug statements
    - unnecessary changes w.r.t. master
  
  * Cleaned up differences w.r.t. current Haddock HEAD
  
  Things are looking good. quasiquotes in particular look beautiful: the
  TH ones (with Haskell source inside) colour/link their contents too!
  
  Haven't yet begun to check for possible performance problems.
  
  * Support CPP and top-level pragmas
  
  The support for these is hackier - but no more hacky than the existing
  support.
  
  * Tests pass, CPP is better recognized
  
  The tests were in some cases altered: I consider the new output to be more
  correct than the old one....
  
  * Fix shrinking of source without tabs in test
  
  * Replace 'Position'/'Span' with GHC counterparts
  
  Replaces 'Position' -> 'GHC.RealSrcLoc' and 'Span' -> 'GHC.RealSrcSpan'.
  
  * Nits
  
  * Forgot entry in .cabal
  
  * Update changelog
  

• 95c6a771
  by Alec Theriault at 2018-02-01T14:58:18+01:00

  Clickable anchors for headings (#716)
  
  See haskell/haddock#579. This just adds an <a> tag around the heading, pointing to the
  heading itself.

• 21463d28
  by Alex Biehl at 2018-02-01T14:58:18+01:00

  Quickjump: Matches on function names weight more than matches in ...
  
  module names.
  

• 8023af39
  by Alex Biehl at 2018-02-01T14:58:18+01:00

  Treat escaped \] better in definition lists (#717)
  
  This fixes haskell/haddock#546.

• e4866dc1
  by Alex Biehl at 2018-02-01T14:58:18+01:00

  Remove scanner, takeWhile1_ already takes care of escaping
  

• 9bcaa49d
  by Alex Biehl at 2018-02-01T14:58:18+01:00

  Take until line feed
  

• 01d2af93
  by Oleg Grenrus at 2018-02-01T14:58:18+01:00

  Add simple framework for running parser fixtures (#668)
  
  * Add simple framework for running parser fixtures
  
  * Compatible with tree-diff-0.0.0.1
  
  * Use parseParas to parse fixtures
  
  This allows to test all syntactic constructs available in haddock
  markup.
  

• 31128417
  by Alec Theriault at 2018-02-01T14:58:18+01:00

  Patch flaky parser test (#720)
  
  * Patch flaky parser test
  
  This test was a great idea, but it doesn't port over too well to using
  the GHC lexer. GHC rewrites its input a bit - nothing surprising, but
  we need to guard against those cases for the test.
  
  * Change instance head
  
  * Change use site
  

• 9704f214
  by Herbert Valerio Riedel at 2018-02-01T14:58:18+01:00

  Include secondary LICENSE file in source dist
  

• 51f25074
  by Oleg Grenrus at 2018-02-01T14:58:18+01:00

  Grid Tables (#718)
  
  * Add table examples
  
  * Add table types and adopt simple parser
  
  Simple parser is done by Giovanni Cappellotto (@potomak)
  in https://github.com/haskell/haddock/pull/577
  It seems to support single fine full tables, so far from full
  RST-grid tables, but it's good start.
  
  Table type support row- and colspans, but obviously parser is lacking.
  
  Still TODO:
  - Latex backend. Should we use multirow package
    https://ctan.org/pkg/multirow?lang=en?
  - Hoogle backend: ?
  
  * Implement grid-tables
  
  * Refactor table parser
  
  * Add two ill-examples
  
  * Update CHANGES.md
  
  * Basic documentation for tables
  
  * Fix documentation example
  

• 670d6200
  by Alex Biehl at 2018-02-01T14:58:18+01:00

  Add grid table example to cheatsheet
  
  (pdf and svg need to be regenerated thought)

• 4262dec9
  by Alec Theriault at 2018-02-01T14:58:18+01:00

  Fix infinite loop when specializing instance heads (#723)
  
  * Fix infinite loop when specializing instance heads
  
  The bug can only be triggered from TH, hence why it went un-noticed for
  so long.
  
  * Add test for haskell/haddock#679 and haskell/haddock#710
  

• 67ecd803
  by Alec Theriault at 2018-02-01T14:58:18+01:00

  Filter RTS arguments from 'ghc-options' arguments (#725)
  
  This fixes haskell/haddock#666.

• 7db26992
  by Alex Biehl at 2018-02-01T14:58:18+01:00

  Quickjump Scrollable overlay

• da9ff634
  by Alexander Biehl at 2018-02-01T14:58:18+01:00

  Hyperlinker: Adjust parser to new PFailed constructor
  

• 7b7cf8cb
  by Alexander Biehl at 2018-02-01T14:58:18+01:00

  Specialize: Add missing IdP annotations
  

• 78cd7231
  by Alexander Biehl at 2018-02-01T14:58:18+01:00

  Convert: Correct pass type
  

• a2d0f590
  by Alexander Biehl at 2018-02-01T14:58:18+01:00

  Warning free compilation
  

• cd861cf3
  by Alexander Biehl at 2018-02-01T14:58:18+01:00

  hadock-2.19.0 / haddock-api-2.19.0 / haddock-library-1.5.0
  

• c6651b72
  by Alexander Biehl at 2018-02-01T14:58:18+01:00

  Adjust changelogs
  

• 1e93da0b
  by Alexander Biehl at 2018-02-01T14:58:18+01:00

  haddock-library: Info about breaking changes
  

• f9b11db8
  by Alec Theriault at 2018-02-02T12:36:02+01:00

  Properly color pragma contents in hyperlinker
  
  The hyperlinker backend now classifies the content of pragmas as
  'TkPragma'. That means that in something like '{-# INLINE foo #-}',
  'foo' still gets classified as a pragma token.
  

• c40b0043
  by Alec Theriault at 2018-02-02T12:36:02+01:00

  Support the new 'ITcolumn_prag' token
  

• 4a2a4d39
  by Alex Biehl at 2018-02-03T12:11:55+01:00

  QuickJump: Mitigate encoding problems on Windows
  

• bb34503a
  by Alex Biehl at 2018-02-04T18:39:31+01:00

  Use withBinaryFile
  

• 637605bf
  by Herbert Valerio Riedel at 2018-02-05T09:48:32+01:00

  Try GHC 8.4.1 for Travis CI job
  

• 7abb67e4
  by Herbert Valerio Riedel at 2018-02-05T10:05:42+01:00

  try harder to build w/ GHC 8.4.1
  

• 8255cc98
  by Herbert Valerio Riedel at 2018-02-05T10:05:42+01:00

  Add `SPDX-License-Identifier` as alised for "license" module header tokens
  
  C.f. SPDX 2.1 - Appendix V
   https://spdx.org/spdx-specification-21-web-version#h.twlc0ztnng3b
  
      The tag should appear on its own line in the source file, generally as part of a comment.
  
      SPDX-License-Identifier: <SPDX License Expression>
  
  Cherry-picked from haskell/haddock#743
  

• 267cd23d
  by Herbert Valerio Riedel at 2018-02-05T10:24:34+01:00

  Make test-suite SMP compatible
  

• 95d4bf40
  by Alec Theriault at 2018-02-05T22:01:04+01:00

  Hyperlink pattern synonyms and 'module' imports (#744)
  
  Links to pattern synonyms are now generated, as well as links from
  modules in import lists.
  
  Fixes haskell/haddock#731.

• 67838dcd
  by Alec Theriault at 2018-02-06T08:23:36+01:00

  Don't warn about missing '~' (#746)
  
  This manually filters out '~' from the list of things to warn about. It truly
  makes no sense to warn on this since '~' has nothing it could link to - it is
  magical.
  
  This fixes haskell/haddock#532.

• ab6c3f9f
  by Alec Theriault at 2018-02-06T08:24:47+01:00

  Don't barf on 'HsSpliceTy' (#745)
  
  This handles 'HsSpliceTy's by replacing them with what they expand to.
  IIUC everything that is happening, 'renameHsSpliceTy' should not be
  able to fail for the inputs we feed it from GHC.
  
  This fixes haskell/haddock#574.
  

• 92bf95ad
  by Alex Biehl at 2018-02-06T08:28:23+01:00

  Rename: renameHsSpliceTy ttg
  

• 3130b1e1
  by Alex Biehl at 2018-02-06T09:02:14+01:00

  Expand SigDs
  

• c72adae5
  by Alex Biehl at 2018-02-06T09:20:51+01:00

  fullModuleContents: support named docs
  

• de2e4dbf
  by Alex Biehl at 2018-02-06T13:56:17+01:00

  Hyperlinker: Also link pattern synonym arguments
  

• b7c98237
  by Alex Biehl at 2018-02-09T18:44:23+01:00

  Expand SigD in a better place
  
  In https://github.com/haskell/haddock/issues/287 we found that
  haddock-2.19.0 would miss documentation on class methods with
  multiples names.
  
  This patch uses expandSigDecls in a more sensible place.
  

• 8f598b27
  by Alec Theriault at 2018-02-11T12:29:56+01:00

  Add module tooltips to linked identifiers (#753)
  
  No more clicking to figure out whether your bytestring is strict or lazy!

• d812e65d
  by Alec Theriault at 2018-02-11T12:31:44+01:00

  Add 'show' option to complement 'hide' (#752)
  
  * Add 'show' option to complement 'hide'
  
  The behaviour is for flags passed in the command line to override
  flags in file headers. In the command line, later flags override
  earlier ones.
  
  Fixes haskell/haddock#751 and haskell/haddock#266.
  
  * Add a '--show-all' option
  

• 6676cecb
  by Alex Biehl at 2018-02-18T11:07:15-05:00

  QuickJump: Mitigate encoding problems on Windows
  
  (cherry picked from commit 86292c54bfee2343aee84559ec01f1fc68f52231)
  

• e753dd88
  by Alex Biehl at 2018-02-18T17:59:54+01:00

  Use withBinaryFile
  

• 724dc881
  by Tamar Christina at 2018-02-19T05:34:49+01:00

  Haddock: support splitted include paths. (#689)
  
  

• 9b6d6f50
  by Alex Biehl at 2018-02-19T05:57:02+01:00

  Teach the HTML backend how to render methods with multiple names
  

• a74aa754
  by Alexander Biehl at 2018-02-19T10:04:34+01:00

  Hoogle/Latex: Remove use of partial function
  

• 66d8bb0e
  by Alec Theriault at 2018-02-25T16:04:01+01:00

  Fix file handle leak (#763) (#764)
  
  Brought back some mistakenly deleted code for handling encoding and eager
  reading of files from e0ada1743cb722d2f82498a95b201f3ffb303137.

• bb92d03d
  by Alex Biehl at 2018-03-02T14:21:23+01:00

  Enable running test suite with stock haddock and ghc using
  
  ```
  $ cabal new-run -- html-test --haddock-path=$(which haddock) --ghc-path=$(which ghc)
  ```
  

• dddb3cb2
  by Alex Biehl at 2018-03-02T15:43:21+01:00

  Make testsuite work with haddock-1.19.0 release (#766)
  
  

• f38636ed
  by Alec Theriault at 2018-03-02T15:48:36+01:00

  Support unicode operators, proper modules
  
  Unicode operators are a pretty big thing in Haskell, so supporting linking them
  seems like it outweighs the cost of the extra machinery to force Attoparsec to
  look for unicode.
  
  Fixes haskell/haddock#458.
  

• 09d89f7c
  by Alec Theriault at 2018-03-02T15:48:43+01:00

  Remove bang pattern
  

• d150a687
  by Alex Biehl at 2018-03-02T15:48:48+01:00

  fix test
  

• d6fd71a5
  by Alex Biehl at 2018-03-02T16:22:38+01:00

  haddock-test: Be more explicit which packages to pass
  
  We now pass `-hide-all-packages` to haddock when invoking the
  testsuite. This ensures we don't accidentally pick up any dependencies
  up through ghc.env files.
  

• 0932c78c
  by Alex Biehl at 2018-03-02T17:50:38+01:00

  Revert "fix test"
  
  This reverts commit 1ac2f9569242f6cb074ba6e577285a4c33ae1197.
  

• 52516029
  by Alex Biehl at 2018-03-02T18:16:50+01:00

  Fix Bug548 for real
  

• 89df9eb5
  by Alex Biehl at 2018-03-05T18:28:19+01:00

  Hyperlinker: Links for TyOps, class methods and associated types
  

• d019a4cb
  by Ryan Scott at 2018-03-06T13:43:56-05:00

  Updates for haskell/haddock#13324
  

• 6d5a42ce
  by Alex Biehl at 2018-03-10T18:25:57+01:00

  Bump haddock-2.19.0.1, haddock-api-2.19.0.1, haddock-library-1.5.0.1
  

• c0e6f380
  by Alex Biehl at 2018-03-10T18:25:57+01:00

  Update changelogs for haddock-2.19.0.1 and haddock-library-1.5.0.1
  

• 500da489
  by Herbert Valerio Riedel at 2018-03-10T18:25:57+01:00

  Update to QC 2.11
  

• ce8362e9
  by Herbert Valerio Riedel at 2018-03-10T18:25:57+01:00

  Restore backward-compat with base-4.5 through base-4.8
  

• baae4435
  by Alex Biehl at 2018-03-10T18:25:57+01:00

  Bump lower bound for haddock-library
  

• 10b7a73e
  by Alex Biehl at 2018-03-10T18:25:57+01:00

  Haddock: Straighten out base bound
  

• a6096f7b
  by Alex Biehl at 2018-03-13T08:45:06+01:00

  extractDecl: Extract constructor patterns from data family instances (#776)
  
  * extractDecl: Allow extraction of data family instance constructors
  
  * extractDecl: extract data family instance constructors
  

• ba4a0744
  by Simon Jakobi at 2018-03-14T08:26:42+01:00

  Readme: Update GHC version (#778)
  
  

• 8de157d4
  by Simon Jakobi at 2018-03-14T20:39:29+01:00

  Add fixture test for definition lists
  

• 425b46f9
  by Simon Jakobi at 2018-03-14T20:39:29+01:00

  Add fixture test for links
  

• d53945d8
  by Simon Jakobi at 2018-03-14T20:39:29+01:00

  Add fixture test for inline links
  

• f1dc7c99
  by Simon Jakobi at 2018-03-14T20:39:29+01:00

  fixtures: Slightly unmangle output
  

• 0879d31c
  by Simon Jakobi at 2018-03-14T20:39:29+01:00

  fixtures: Prevent stdout buffering
  

• 1f9e5f1b
  by Simon Jakobi at 2018-03-14T20:39:29+01:00

  haddock-library.cabal: Clean up GHC options
  

• 066b891a
  by Simon Jakobi at 2018-03-14T20:39:29+01:00

  Make a proper definition for the <link> parser
  

• 573d6ba7
  by Alec Theriault at 2018-03-21T09:16:57+01:00

  Show where instances are defined (#748)
  
  * Indicate source module of instances
  
  Above instance, we now also display a link to the module where the
  instance was defined. This is sometimes helpful in figuring out
  what to import.
  
  * Source module for type/data families too
  
  * Remove parens
  
  * Accept tests
  

• 99b5d28b
  by Alex Biehl at 2018-03-21T09:20:36+01:00

  Prepare changelog for next release
  

• 482d3a93
  by Alex Biehl at 2018-03-23T15:57:36+01:00

  Useful cost centres, timers and allocation counters (#785)
  
  * Add some useful cost-centres for profiling
  
  * Add withTiming for each haddock phase
  
  Invoking haddock with `--optghc=-ddump-timings` now shows the amount
  of time spent and the number of allocated bytes for each phase.
  

• 773b41bb
  by Alec Theriault at 2018-03-27T08:35:59+02:00

  @since includes package name (#749)
  
  * Metadoc stores a package name
  
  This means that '@since' annotations can be package aware.
  
  * Get the package name the right way
  
  This should extract the package name for `@since` annotations the
  right way. I had to move `modulePackageInfo` around to do this and,
  in the process, I took the liberty to update it.
  
  Since it appears that finding the package name is something that can
  fail, I added a warning for this case.
  
  * Silence warnings
  
  * Hide package for local 'since' annotations
  
  As discussed, this is still the usual case (and we should avoid being
  noisy for it).
  
  Although this commit is large, it is basically only about threading a
  'Maybe Package' from 'Haddock.render' all the way to
  'Haddock.Backends.Xhtml.DocMarkup.renderMeta'.
  
  * Bump binary interface version
  
  * Add a '--since-qual' option
  
  This controls when to qualify since annotations with the package they
  come from. The default is always, but I've left an 'external' variant
  where only those annotations coming from outside of the current
  package are qualified.
  
  * Make ParserSpec work
  
  * Make Fixtures work
  
  * Use package name even if package version is not available
  
  The @since stuff needs only the package name passed in, so it
  makes sense to not be forced to pass in a version too.
  

• e42c57bc
  by Alex Biehl at 2018-03-27T08:42:50+02:00

  haddock-2.19.1, haddock-api-2.19.1, haddock-library-1.6.0
  

• 8373a529
  by Alex Biehl at 2018-03-28T10:17:11+02:00

  Bump haddock and haddock-api to 2.20.0
  

• 5038eddd
  by Jack Henahan at 2018-04-03T13:28:12+02:00

  Clear search string on hide for haskell/haddock#781 (#789)
  
  

• 920ca1eb
  by Alex Biehl at 2018-04-03T16:35:50+02:00

  Travis: Build with ghc-8.4.2 (#793)
  
  

• a232f0eb
  by Alan Zimmerman at 2018-04-07T14:14:32+02:00

  Match changes in GHC for D4199
  
  Removing HasSourceText and SourceTextX classes.
  

• ab85060b
  by Alan Zimmerman at 2018-04-09T21:20:24+02:00

  Match GHC changes for TTG
  

• 739302b6
  by Alan Zimmerman at 2018-04-13T13:31:44+02:00

  Match GHC for TTG implemented on HsBinds, D4581
  

• 2f56d3cb
  by Ryan Scott at 2018-04-19T11:42:58-04:00

  Bump upper bound on base to < 4.13
  
  See https://ghc.haskell.org/trac/ghc/ticket/15018.
  

• a49df92a
  by Alex Biehl at 2018-04-20T07:31:44+02:00

  Don't treat fixity signatures like declarations
  

• d02c103b
  by Ryan Scott at 2018-04-24T11:20:11-04:00

  Add regression test for haskell/haddock#413
  
  Fixes haskell/haddock#413.
  

• c7577f52
  by Ryan Scott at 2018-04-24T13:51:06-07:00

  Improve the Hoogle backend's treatment of type families (#808)
  
  Fixes parts 1 and 2 of haskell/haddock#806.

• d88f85b1
  by Alec Theriault at 2018-04-25T11:24:07-07:00

  Replace 'attoparsec' with 'parsec' (#799)
  
  * Remove attoparsec with parsec and start fixing failed parses
  
  * Make tests pass
  
  * Fix encoding issues
  
  The Haddock parser no longer needs to worry about bytestrings. All
  the internal parsing work in haddock-library happens over 'Text'.
  
  * Remove attoparsec vendor
  
  * Fix stuff broken in 'attoparsec' -> 'parsec'
  
  * hyperlinks
  * codeblocks
  * examples
  
  Pretty much all issues are due to attoparsec's backtracking failure
  behaviour vs. parsec's non-backtracking failure behaviour.
  
  * Fix small TODOs
  
  * Missing quote + Haddocks
  
  * Better handle spaces before/after paragraphs
  
  * Address review comments
  

• fc25e2fe
  by Alan Zimmerman at 2018-04-27T15:36:53+02:00

  Match changes in GHC for TTG
  

• 06175f91
  by Herbert Valerio Riedel at 2018-05-01T18:11:09+02:00

  Merge branch 'ghc-head' with 'ghc-8.4'
  

• 879caaa8
  by Alec Theriault at 2018-05-07T18:53:15-07:00

  Filter out CRLFs in hyperlinker backend (#813)
  
  This prevents spurious lines from appearing in the final output.

• 3e0120cb
  by Simon Jakobi at 2018-05-07T19:00:18-07:00

  Add docs for some DocH constructors (#814)
  
  

• 0a32c6db
  by Alec Theriault at 2018-05-08T02:15:45-07:00

  Remove 'TokenGroup' from Hyperlinker (#818)
  
  Since the hyperlinker backend now relies on the GHC tokenizer, something
  like 'Bar.Baz.foo' already gets bunched together into one token (as
  opposed to being spread across 'Bar', '.', 'Baz', '.', and 'foo').

• 8816e783
  by Simon Jakobi at 2018-05-08T10:48:11-07:00

  Renamer: Warn about out of scope identifiers. (#819)
  
  

• ad60366f
  by Ryan Scott at 2018-05-10T11:19:47-04:00

  Remove Hoogle backend hack that butchers infix datatype names
  

• 03b7cc3b
  by Ryan Scott at 2018-05-10T11:24:38-04:00

  Wibbles
  

• b03dd563
  by Chaitanya Koparkar at 2018-05-10T11:44:58-04:00

  Use the response file utilities defined in `base` (#821)
  
  Summary: The response file related modules were recently copied from
  `haddock` into `base`. This patch removes them from `haddock`.
  
  GHC Trac Issues: haskell/haddock#13896

• 9f298a40
  by Ben Gamari at 2018-05-13T17:36:04-04:00

  Account for refactoring of LitString
  

• ea3dabe7
  by Ryan Scott at 2018-05-16T09:21:43-04:00

  Merge pull request haskell/haddock#826 from haskell/T825
  
  Remove Hoogle backend hack that butchers infix datatype names

• 0d234f7c
  by Alec Theriault at 2018-05-23T11:29:05+02:00

  Use `ClassOpSig` instead of `TypeSig` for class methods (#835)
  
  * Fix minimal pragma handling
  
  Class declarations contain 'ClassOpSig' not 'Typesig'. This should fix haskell/haddock#834.
  
  * Accept html-test output
  

• 15fc9712
  by Simon Jakobi at 2018-05-31T04:17:47+02:00

  Adjust to new HsDocString internals
  

• 6f1e19a8
  by Ben Gamari at 2018-06-02T16:18:58-04:00

  Remove ParallelArrays and Data Parallel Haskell
  

• 0d0355d9
  by Ryan Scott at 2018-06-04T21:26:59-04:00

  DerivingVia changes
  

• 0d93475a
  by Simon Jakobi at 2018-06-05T19:47:05+02:00

  Bump a few dependency bounds (#845)
  
  

• 5cbef804
  by Alec Theriault at 2018-06-05T19:47:16+02:00

  Improve hyperlinker's 'spanToNewline' (#846)
  
  'spanToNewline' is used to help break apart the source into lines which
  can then be partioned into CPP and non-CPP chunks. It is important that
  'spanToNewline' not break apart tokens, so it needs to properly handle
  things like
  
    * block comments, possibly nested
    * string literals, possibly multi-line
    * CPP macros, possibly multi-line
  
  String literals in particular were not being properly handled. The fix
  is to to fall back in 'Text.Read.lex' to help lex things that are not
  comments.
  
  Fixes haskell/haddock#837.

• 9094c56f
  by Alec Theriault at 2018-06-05T22:53:25+02:00

  Extract docs from strict/unpacked constructor args (#839)
  
  This fixes haskell/haddock#836.

• 70188719
  by Simon Jakobi at 2018-06-08T22:20:30+02:00

  Renamer: Warn about ambiguous identifiers (#831)
  
  * Renamer: Warn about ambiguous identifiers
  
  Example:
  
      Warning: 'elem' is ambiguous. It is defined
          * in ‘Data.Foldable’
          * at /home/simon/tmp/hdk/src/Lib.hs:7:1
          You may be able to disambiguate the identifier by qualifying it or
          by hiding some imports.
          Defaulting to 'elem' defined at /home/simon/tmp/hdk/src/Lib.hs:7:1
  
  Fixes haskell/haddock#830.
  
  * Deduplicate warnings
  
  Fixes haskell/haddock#832.
  

• 495cd1fc
  by Chaitanya Koparkar at 2018-06-13T23:01:34+02:00

  Use the response file utilities defined in `base` (#821)
  
  Summary: The response file related modules were recently copied from
  `haddock` into `base`. This patch removes them from `haddock`.
  
  GHC Trac Issues: haskell/haddock#13896

• 81088732
  by Ben Gamari at 2018-06-13T23:01:34+02:00

  Account for refactoring of LitString
  

• 7baf6587
  by Simon Jakobi at 2018-06-13T23:05:08+02:00

  Adjust to new HsDocString internals
  

• bb61464d
  by Ben Gamari at 2018-06-13T23:05:22+02:00

  Remove ParallelArrays and Data Parallel Haskell
  

• 5d8cb87f
  by Ryan Scott at 2018-06-13T23:39:30+02:00

  DerivingVia changes
  

• 73d373a3
  by Alec Theriault at 2018-06-13T23:39:30+02:00

  Extract docs from strict/unpacked constructor args (#839)
  
  This fixes haskell/haddock#836.

• 4865e254
  by Simon Jakobi at 2018-06-13T23:39:30+02:00

  Remove `ITtildehsh` token
  

• b867db54
  by Alec Theriault at 2018-06-13T23:39:30+02:00

  Filter out CRLFs in hyperlinker backend (#813)
  
  This prevents spurious lines from appearing in the final output.

• 9598e392
  by Simon Jakobi at 2018-06-13T23:39:30+02:00

  Add docs for some DocH constructors (#814)
  
  

• 8a59035b
  by Alec Theriault at 2018-06-13T23:39:30+02:00

  Remove 'TokenGroup' from Hyperlinker (#818)
  
  Since the hyperlinker backend now relies on the GHC tokenizer, something
  like 'Bar.Baz.foo' already gets bunched together into one token (as
  opposed to being spread across 'Bar', '.', 'Baz', '.', and 'foo').

• 29350fc8
  by Simon Jakobi at 2018-06-13T23:39:30+02:00

  Renamer: Warn about out of scope identifiers. (#819)
  
  

• 2590bbd9
  by Ryan Scott at 2018-06-13T23:39:30+02:00

  Remove Hoogle backend hack that butchers infix datatype names
  

• a9939fdc
  by Ryan Scott at 2018-06-13T23:39:30+02:00

  Wibbles
  

• a22f7df4
  by Alec Theriault at 2018-06-13T23:39:30+02:00

  Use `ClassOpSig` instead of `TypeSig` for class methods (#835)
  
  * Fix minimal pragma handling
  
  Class declarations contain 'ClassOpSig' not 'Typesig'. This should fix haskell/haddock#834.
  
  * Accept html-test output
  

• 8741015d
  by Simon Jakobi at 2018-06-13T23:39:30+02:00

  Bump a few dependency bounds (#845)
  
  

• 4791e1cc
  by Alec Theriault at 2018-06-13T23:39:30+02:00

  Improve hyperlinker's 'spanToNewline' (#846)
  
  'spanToNewline' is used to help break apart the source into lines which
  can then be partioned into CPP and non-CPP chunks. It is important that
  'spanToNewline' not break apart tokens, so it needs to properly handle
  things like
  
    * block comments, possibly nested
    * string literals, possibly multi-line
    * CPP macros, possibly multi-line
  
  String literals in particular were not being properly handled. The fix
  is to to fall back in 'Text.Read.lex' to help lex things that are not
  comments.
  
  Fixes haskell/haddock#837.

• 311d3216
  by Simon Jakobi at 2018-06-13T23:39:30+02:00

  Renamer: Warn about ambiguous identifiers (#831)
  
  * Renamer: Warn about ambiguous identifiers
  
  Example:
  
      Warning: 'elem' is ambiguous. It is defined
          * in ‘Data.Foldable’
          * at /home/simon/tmp/hdk/src/Lib.hs:7:1
          You may be able to disambiguate the identifier by qualifying it or
          by hiding some imports.
          Defaulting to 'elem' defined at /home/simon/tmp/hdk/src/Lib.hs:7:1
  
  Fixes haskell/haddock#830.
  
  * Deduplicate warnings
  
  Fixes haskell/haddock#832.
  

• d0577817
  by Simon Jakobi at 2018-06-13T23:39:30+02:00

  Complete FixitySig and FamilyDecl pattern matches
  

• 055b3aa7
  by Simon Jakobi at 2018-06-13T23:39:30+02:00

  Fix redundant import warnings
  

• f9ce19b1
  by Simon Jakobi at 2018-06-13T23:49:52+02:00

  html-test: Accept output
  

• 04604ea7
  by Simon Jakobi at 2018-06-13T23:54:37+02:00

  Bump bounds on Cabal
  

• 0713b692
  by Simon Jakobi at 2018-06-14T00:00:12+02:00

  Merge branch 'ghc-head' into ghc-head-update-3
  

• c6a56bfd
  by Simon Jakobi at 2018-06-14T02:33:27+02:00

  Bump ghc bound for haddock-api spec test-suite
  

• 119d04b2
  by Simon Jakobi at 2018-06-14T12:37:48+02:00

  Travis: `--allow-newer` for all packages
  

• 0e876e2c
  by Alex Biehl at 2018-06-14T15:28:52+02:00

  Merge pull request haskell/haddock#857 from sjakobi/ghc-head-update-3
  
  Update ghc-head

• 5be46454
  by Alec Theriault at 2018-06-14T21:42:45+02:00

  Improved handling of interfaces in 'haddock-test' (#851)
  
  This should now work with an inplace GHC where (for instance)
  HTML directories may not be properly recorded in the package DB.

• 96ab1387
  by Vladislav Zavialov at 2018-06-14T17:06:21-04:00

  Handle -XStarIsType
  

• e518f8c4
  by Ben Gamari at 2018-06-14T17:48:00-04:00

  Revert unintentional reversion of fix of haskell/haddock#548
  

• 01b9f96d
  by Alan Zimmerman at 2018-06-19T11:52:22+02:00

  Match changes in GHC for haskell/haddock#14259
  

• 7f8c8298
  by Ben Gamari at 2018-06-19T18:14:27-04:00

  Bump GHC version to 8.6
  

• 11c6b5d2
  by Ryan Scott at 2018-06-19T23:17:31-04:00

  Remove HsEqTy and XEqTy
  

• b33347c2
  by Herbert Valerio Riedel at 2018-06-20T23:14:52+02:00

  Revert "Bump GHC version to 8.6"
  
  This was applied to the wrong branch; there's now a `ghc-8.6` branch;
  ghc-head is always supposed to point to GHC HEAD, i.e. an odd major version.
  The next version bump to `ghc-head` is supposed to go from e.g. 8.5 to 8.7
  
  This reverts commit 5e3cf5d8868323079ff5494a8225b0467404a5d1.
  

• f0d2460e
  by Herbert Valerio Riedel at 2018-06-20T23:28:46+02:00

  Update Travis CI job
  

• ef239223
  by Herbert Valerio Riedel at 2018-06-20T23:32:41+02:00

  Drop GHC HEAD from CI and update GHC to 8.4.3
  
  It's a waste of resource to even try to build this branch w/ ghc-head;
  so let's not do that...
  

• 41c4a9fa
  by Ben Gamari at 2018-06-20T18:26:20-04:00

  Bump GHC version to 8.7
  

• 8be593dc
  by Herbert Valerio Riedel at 2018-06-21T22:32:15+02:00

  Update CI job to use GHC 8.7.*
  

• b91d334a
  by Simon Jakobi at 2018-06-30T13:41:38+02:00

  README updates (#856)
  
  * README: Remove mentions of master branch
  
  * README: Add instructions for using html-test
  
  * README: Change command to run _all_ the testsuites
  
  * README: Add project overview section
  

• f707d848
  by Alec Theriault at 2018-07-05T10:43:35-04:00

  Export more fixities for Hoogle (#871)
  
  This exports fixities for more things, including class methods and
  type-level operators.

• a6d2b8dc
  by Alec Theriault at 2018-07-06T10:06:32-04:00

  Avoid line breaks due to line length in Hoogle (#868)
  
  * Avoid line breaks due to line length in Hoogle
  
  Hoogle operates in a line-oriented fashion, so we should avoid ever
  breaking due to long lines.
  
  One way of doing this non-intrusively is to modify the 'DynFlags' that
  are threaded through the 'Hoogle' module (note this is anyways only
  passed through for use in the various 'showSDoc' functions).
  
  * Amend test case
  

• 13819f71
  by Alan Zimmerman at 2018-07-15T19:33:51+02:00

  Match XFieldOcc rename in GHC
  
  Trac haskell/haddock#15386
  

• c346aa78
  by Simon Jakobi at 2018-07-19T12:29:32+02:00

  haddock-library: Bump bounds for containers
  

• 722e733c
  by Simon Jakobi at 2018-07-19T13:36:45+02:00

  tyThingToLHsDecl: Preserve type synonyms that contain a forall (#880)
  
  * tyThingToLHsDecls: Preserve type synonyms that contain a forall
  
  Fixes haskell/haddock#879.
  
  * Add Note [Invariant: Never expand type synonyms]
  
  * Clarify Note [Invariant: Never expand type synonyms]
  

• f0bd83fd
  by Alec Theriault at 2018-07-19T14:39:57+02:00

  Fix HEAD html-test (#860)
  
  * Update tests for 'StarIsType'
  
  * Accept tests
  
  * Revert "Update tests for 'StarIsType'"
  
  This reverts commit 7f0c01383bbba6dc5af554ee82988d2cf44e407a.
  

• 394053a8
  by Simon Jakobi at 2018-07-19T14:58:07+02:00

  haddock-library: Bump bounds for containers
  

• 1bda11a2
  by Alec Theriault at 2018-07-20T09:04:03+02:00

  Add HEAD.hackage overlay (#887)
  
  * Add HEAD.hackage overlay
  
  * Add HCPKG variable
  

• c7b4ab45
  by Alec Theriault at 2018-07-20T12:01:16+02:00

  Refactor handling of parens in types (#874)
  
  * Fix type parenthesization in Hoogle backend
  
  Ported the logic in the HTML and LaTeX backends for adding in parens
  into something top-level in 'GhcUtil'. Calling that from the Hoogle
  backend fixes haskell/haddock#873.
  
  * Remove parenthesizing logic from LaTeX and XHTML backends
  
  Now, the only times that parenthesis in types are added in any backend
  is through the explicit 'HsParTy' constructor. Precedence is also
  represented as its own datatype.
  
  * List out cases explicitly vs. catch-all
  
  * Fix printing of parens for QuantifiedConstraints
  
  The priority of printing 'forall' types was just one too high.
  
  Fixes haskell/haddock#877.
  
  * Accept HTML output for quantified contexts test
  

• c05d32ad
  by Alec Theriault at 2018-07-20T12:01:49+02:00

  Preserve docs on type family instances (#867)
  
  * Preserve docs on type family instances
  
  The only problem was that the instance location was slightly off
  for type family instances.
  
  * Accept output
  

• 24b39ee4
  by Alec Theriault at 2018-07-20T12:02:16+02:00

  Fix broken instance source links (#869)
  
  The problem manifests itself in instances that are defined in
  modules other than the module where the class is defined. The fix
  is just to thread through the 'Module' of the instance further
  along.
  
  Since orphan instances appear to already have been working, I didn't
  do anything there.

• cb9d2099
  by Simon Jakobi at 2018-07-20T13:39:29+02:00

  README updates (#856)
  
  * README: Remove mentions of master branch
  
  * README: Add instructions for using html-test
  
  * README: Change command to run _all_ the testsuites
  
  * README: Add project overview section
  
  (cherry picked from commit 61d6f935da97eb96685f07bf385102c2dbc2a33c)
  

• 133f24f5
  by Alec Theriault at 2018-07-20T13:39:29+02:00

  Export more fixities for Hoogle (#871)
  
  This exports fixities for more things, including class methods and
  type-level operators.
  
  (cherry picked from commit 88316b972e3d47197b1019111bae0f7f87275fce)
  

• 11024149
  by Alec Theriault at 2018-07-20T13:39:29+02:00

  Avoid line breaks due to line length in Hoogle (#868)
  
  * Avoid line breaks due to line length in Hoogle
  
  Hoogle operates in a line-oriented fashion, so we should avoid ever
  breaking due to long lines.
  
  One way of doing this non-intrusively is to modify the 'DynFlags' that
  are threaded through the 'Hoogle' module (note this is anyways only
  passed through for use in the various 'showSDoc' functions).
  
  * Amend test case
  
  (cherry picked from commit 657b1b3d519545f8d4ca048c06210d6cbf0f0da0)
  

• de0c139e
  by Simon Jakobi at 2018-07-20T13:39:29+02:00

  tyThingToLHsDecl: Preserve type synonyms that contain a forall (#880)
  
  * tyThingToLHsDecls: Preserve type synonyms that contain a forall
  
  Fixes haskell/haddock#879.
  
  * Add Note [Invariant: Never expand type synonyms]
  
  * Clarify Note [Invariant: Never expand type synonyms]
  
  (cherry picked from commit c3eb3f0581f69e816f9453b1747a9f2a3ba02bb9)
  

• 6435e952
  by Alec Theriault at 2018-07-20T13:39:29+02:00

  Preserve docs on type family instances (#867)
  
  * Preserve docs on type family instances
  
  The only problem was that the instance location was slightly off
  for type family instances.
  
  * Accept output
  
  (cherry picked from commit 133e9c2c168db19c1135479f7ab144c4e33af2a4)
  

• 1461af39
  by Alec Theriault at 2018-07-20T13:39:29+02:00

  Fix broken instance source links (#869)
  
  The problem manifests itself in instances that are defined in
  modules other than the module where the class is defined. The fix
  is just to thread through the 'Module' of the instance further
  along.
  
  Since orphan instances appear to already have been working, I didn't
  do anything there.
  
  (cherry picked from commit 2de7c2acf9b1ec85b09027a8bb58bf8512e91c05)
  

• 69d3bde1
  by Alec Theriault at 2018-07-20T13:49:47+02:00

  Add some more unicode related tests (#872)
  
  This has been fixed for sure ever since we switched from attoparsec to
  parsec. Parts of it may have been working before that, but there was a
  point where this would have failed (see haskell/haddock#191).
  
  A regression test never hurt anyone. :)

• 6a5c73c7
  by Alec Theriault at 2018-07-20T13:50:00+02:00

  Misc tests (#858)
  
  * More tests
  
  * spliced types
  * constructor/pattern argument docs
  * strictness marks on fields with argument docs
  
  * latex test cases need seperate directory
  
  * Accept tests
  

• 92ca94c6
  by Alec Theriault at 2018-07-20T13:55:36+02:00

  Add some more unicode related tests (#872)
  
  This has been fixed for sure ever since we switched from attoparsec to
  parsec. Parts of it may have been working before that, but there was a
  point where this would have failed (see haskell/haddock#191).
  
  A regression test never hurt anyone. :)
  
  (cherry picked from commit 5ec7715d418bfac0f26aec6039792a99a6e89370)
  

• 981bc7fa
  by Simon Jakobi at 2018-07-20T15:06:06+02:00

  Additional tests for the identifier parser (#816)
  
  * Add tests for the identifier parser
  
  * docs: Clarify how to delimit identifiers
  

• 27e7c0c5
  by Simon Jakobi at 2018-07-20T15:09:05+02:00

  Additional tests for the identifier parser (#816)
  
  * Add tests for the identifier parser
  
  * docs: Clarify how to delimit identifiers
  
  (cherry picked from commit 0861affeca4d72938f05a2eceddfae2c19199071)
  

• 49e1a415
  by Simon Jakobi at 2018-07-20T16:02:02+02:00

  Update the ghc-8.6 branch (#889)
  
  * Revert "Bump GHC version to 8.6"
  
  This was applied to the wrong branch; there's now a `ghc-8.6` branch;
  ghc-head is always supposed to point to GHC HEAD, i.e. an odd major version.
  The next version bump to `ghc-head` is supposed to go from e.g. 8.5 to 8.7
  
  This reverts commit 5e3cf5d8868323079ff5494a8225b0467404a5d1.
  
  * README updates (#856)
  
  * README: Remove mentions of master branch
  
  * README: Add instructions for using html-test
  
  * README: Change command to run _all_ the testsuites
  
  * README: Add project overview section
  
  (cherry picked from commit 61d6f935da97eb96685f07bf385102c2dbc2a33c)
  
  * Export more fixities for Hoogle (#871)
  
  This exports fixities for more things, including class methods and
  type-level operators.
  
  (cherry picked from commit 88316b972e3d47197b1019111bae0f7f87275fce)
  
  * Avoid line breaks due to line length in Hoogle (#868)
  
  * Avoid line breaks due to line length in Hoogle
  
  Hoogle operates in a line-oriented fashion, so we should avoid ever
  breaking due to long lines.
  
  One way of doing this non-intrusively is to modify the 'DynFlags' that
  are threaded through the 'Hoogle' module (note this is anyways only
  passed through for use in the various 'showSDoc' functions).
  
  * Amend test case
  
  (cherry picked from commit 657b1b3d519545f8d4ca048c06210d6cbf0f0da0)
  
  * tyThingToLHsDecl: Preserve type synonyms that contain a forall (#880)
  
  * tyThingToLHsDecls: Preserve type synonyms that contain a forall
  
  Fixes haskell/haddock#879.
  
  * Add Note [Invariant: Never expand type synonyms]
  
  * Clarify Note [Invariant: Never expand type synonyms]
  
  (cherry picked from commit c3eb3f0581f69e816f9453b1747a9f2a3ba02bb9)
  
  * Fix HEAD html-test (#860)
  
  * Update tests for 'StarIsType'
  
  * Accept tests
  
  * Revert "Update tests for 'StarIsType'"
  
  This reverts commit 7f0c01383bbba6dc5af554ee82988d2cf44e407a.
  
  * Refactor handling of parens in types (#874)
  
  * Fix type parenthesization in Hoogle backend
  
  Ported the logic in the HTML and LaTeX backends for adding in parens
  into something top-level in 'GhcUtil'. Calling that from the Hoogle
  backend fixes haskell/haddock#873.
  
  * Remove parenthesizing logic from LaTeX and XHTML backends
  
  Now, the only times that parenthesis in types are added in any backend
  is through the explicit 'HsParTy' constructor. Precedence is also
  represented as its own datatype.
  
  * List out cases explicitly vs. catch-all
  
  * Fix printing of parens for QuantifiedConstraints
  
  The priority of printing 'forall' types was just one too high.
  
  Fixes haskell/haddock#877.
  
  * Accept HTML output for quantified contexts test
  
  * Preserve docs on type family instances (#867)
  
  * Preserve docs on type family instances
  
  The only problem was that the instance location was slightly off
  for type family instances.
  
  * Accept output
  
  (cherry picked from commit 133e9c2c168db19c1135479f7ab144c4e33af2a4)
  
  * Fix broken instance source links (#869)
  
  The problem manifests itself in instances that are defined in
  modules other than the module where the class is defined. The fix
  is just to thread through the 'Module' of the instance further
  along.
  
  Since orphan instances appear to already have been working, I didn't
  do anything there.
  
  (cherry picked from commit 2de7c2acf9b1ec85b09027a8bb58bf8512e91c05)
  
  * Add some more unicode related tests (#872)
  
  This has been fixed for sure ever since we switched from attoparsec to
  parsec. Parts of it may have been working before that, but there was a
  point where this would have failed (see haskell/haddock#191).
  
  A regression test never hurt anyone. :)
  
  (cherry picked from commit 5ec7715d418bfac0f26aec6039792a99a6e89370)
  
  * Misc tests (#858)
  
  * More tests
  
  * spliced types
  * constructor/pattern argument docs
  * strictness marks on fields with argument docs
  
  * latex test cases need seperate directory
  
  * Accept tests
  
  * Additional tests for the identifier parser (#816)
  
  * Add tests for the identifier parser
  
  * docs: Clarify how to delimit identifiers
  
  (cherry picked from commit 0861affeca4d72938f05a2eceddfae2c19199071)
  

• 5ca14bed
  by Simon Jakobi at 2018-07-20T16:05:47+02:00

  Revert "Revert "Bump GHC version to 8.6""
  
  That commit didn't belong onto the ghc-8.6 branch.
  
  This reverts commit acbaef3b9daf1d2dea10017964bf886e77a8e967.
  

• 2dd600dd
  by Simon Jakobi at 2018-07-20T16:18:21+02:00

  Don't warn about ambiguous identifiers when the candidate names belong to the same type
  
  This also changes the defaulting heuristic for ambiguous identifiers.
  We now prefer local names primarily, and type constructors or class
  names secondarily.
  
  Partially fixes haskell/haddock#854.
  

• fceb2422
  by Simon Jakobi at 2018-07-20T16:18:21+02:00

  outOfScope: Recommend qualifying the identifier
  

• acea5d23
  by Simon Jakobi at 2018-07-20T16:19:35+02:00

  outOfScope: Recommend qualifying the identifier
  
  (cherry picked from commit 73707ed58d879cc04cb644c5dab88c39ca1465b7)
  

• 1a83ca55
  by Simon Jakobi at 2018-07-20T16:19:35+02:00

  Don't warn about ambiguous identifiers when the candidate names belong to the same type
  
  This also changes the defaulting heuristic for ambiguous identifiers.
  We now prefer local names primarily, and type constructors or class
  names secondarily.
  
  Partially fixes haskell/haddock#854.
  
  (cherry picked from commit d504a2864a4e1982e142cf88c023e7caeea3b76f)
  

• 48374451
  by Masahiro Sakai at 2018-07-20T17:06:42+02:00

  Add # as a special character (#884)
  
  '#' has special meaning used for anchors and can be escaped using backslash.
  Therefore it would be nice to be listed as special characters.

• 5e1a5275
  by Alec Theriault at 2018-07-20T23:37:24+02:00

  Let `haddock-test` bypass interface version check (#890)
  
  This means `haddock-test` might
  
    * crash during deserialization
    * deserialize incorrectly
  
  Still - it means things _might_ work where they were previously sure
  not to.

• 27286754
  by Yuji Yamamoto at 2018-07-23T08:16:01+02:00

  Avoid "invalid argument (invalid character)" on non-unicode Windows (#892)
  
  Steps to reproduce and the error message
  ====
  
  ```
  > stack haddock basement
  ... snip ...
      Warning: 'A' is out of scope.
      Warning: 'haddock: internal error: <stdout>: commitBuffer: invalid argument (invalid character)
  ```
  
  Environment
  ====
  
  OS: Windows 10 ver. 1709
  haddock: [HEAD of ghc-8.4 when I reproduce the error](https://github.com/haskell/haddock/commit/532b209d127e4cecdbf7e9e3dcf4f653a5605b5a). (I had to use this version to avoid another probrem already fixed in HEAD)
  GHC: 8.4.3
  stack: Version 1.7.1, Git revision 681c800873816c022739ca7ed14755e85a579565 (5807 commits) x86_64 hpack-0.28.2
  
  Related pull request
  ====
  
  https://github.com/haskell/haddock/pull/566

• 6729d361
  by Alec Theriault at 2018-07-23T13:52:56-07:00

  Accumulate explicitly which modules to load for 'attachInstances'
  
  The old approach to fixing haskell/haddock#469, while correct, consumes a lot of
  memory. We ended up with a HUGE 'GblRdrEnv' in 'ic_rn_gbl_env'. However,
  'getNameToInstancesIndex' takes that environment and compresses it down
  to a much smaller 'ModuleSet'.
  
  Now, we compute that 'ModuleSet' explicitly as we process modules. That
  way we can just tell 'getNameToInstancesIndex' what modules to load
  (instead of it trying to compute that information from the interactive
  context).
  

• 8cf4e6b5
  by Ryan Scott at 2018-07-27T11:28:03-04:00

  eqTyCon_RDR now lives in TysWiredIn
  
  After GHC commit
  http://git.haskell.org/ghc.git/commit/f265008fb6f70830e7e92ce563f6d83833cef071
  

• 1ad251a6
  by Alan Zimmerman at 2018-07-30T13:28:09-04:00

  Match XFieldOcc rename in GHC
  
  Trac haskell/haddock#15386
  
  (cherry picked from commit e3926b50ab8a7269fd6904b06e881745f08bc5d6)
  

• 8aea2492
  by Richard Eisenberg at 2018-08-02T10:54:17-04:00

  Update against new HsImplicitBndrs
  

• e42cada9
  by Alec Theriault at 2018-08-04T17:51:30+02:00

  Latex type families (#734)
  
  * Support for type families in LaTeX
  
  The code is ported over from the XHTML backend.
  
  * Refactor XHTML and LaTeX family handling
  
  This is mostly a consolidation effort: stripping extra exports,
  inlining some short definitions, and trying to make the backends
  match.
  
  The LaTeX backend now has preliminary support for data families,
  although the only the data instance head is printed (not the actual constructors).
  
  Both backends also now use "newtype" for newtype data family
  instances.
  
  * Add some tests
  

• 0e852512
  by Alex Biehl at 2018-08-06T13:04:02+02:00

  Make --package-version optional for --hoogle generation (#899)
  
  * Make --package-version optional for --hoogle generation
  
  * Import mkVersion
  
  * It's makeVersion not mkVersion
  

• d2abd684
  by Noel Bourke at 2018-08-21T09:34:18+02:00

  Remove unnecessary backslashes from docs (#908)
  
  On
  https://haskell-haddock.readthedocs.io/en/latest/markup.html#special-characters
  the backslash and backtick special characters showed up with an extra
  backslash before them – I think the escaping is not (or no longer)
  needed for those characters in rst.

• 7a578a9e
  by Matthew Pickering at 2018-08-21T09:34:50+02:00

  Load plugins when starting a GHC session (#905)
  
  Fixes haskell/haddock#900

• aa3d4db3
  by Matthew Pickering at 2018-08-21T09:37:34+02:00

  Load plugins when starting a GHC session (#905)
  
  Fixes haskell/haddock#900

• ede91744
  by Alec Theriault at 2018-08-21T09:42:52+02:00

  Better test output when Haddock crashes on a test (#902)
  
  In particular: we report the tests that crashed seperately from the tests
  that produced incorrect output. In order for tests to pass (and exit 0),
  they must not crash and must produce the right output.

• 4a872b84
  by Guillaume Bouchard at 2018-08-21T09:45:57+02:00

  Fix a typo (#878)
  
  

• 4dbf7595
  by Ben Sklaroff at 2018-08-21T12:04:09-04:00

  Add ITcomment_line_prag token to Hyperlinker Parser
  
  This token is necessary for parsing #line pragmas inside nested comments.
  
  Reviewers: bgamari
  
  Reviewed By: bgamari
  
  Differential Revision: https://phabricator.haskell.org/D4935
  

• 9170b2a9
  by Ben Gamari at 2018-08-21T17:55:15-04:00

  Merge pull request haskell/haddock#893 from harpocrates/get-name-to-instances
  
  Accumulate explicitly which modules to load for 'attachInstances'

• d57b57cc
  by Ben Gamari at 2018-08-21T17:59:13-04:00

  Merge branch 'ghc-head' of github.com:haskell/haddock into ghc-head
  

• 14601ca2
  by Alec Theriault at 2018-08-21T19:09:37-04:00

  Accumulate explicitly which modules to load for 'attachInstances'
  
  The old approach to fixing haskell/haddock#469, while correct, consumes a lot of
  memory. We ended up with a HUGE 'GblRdrEnv' in 'ic_rn_gbl_env'. However,
  'getNameToInstancesIndex' takes that environment and compresses it down
  to a much smaller 'ModuleSet'.
  
  Now, we compute that 'ModuleSet' explicitly as we process modules. That
  way we can just tell 'getNameToInstancesIndex' what modules to load
  (instead of it trying to compute that information from the interactive
  context).
  
  (cherry picked from commit 5c7c596c51d69b92164e9ba920157b36ce2b2ec1)
  

• 438c645e
  by Matthew Pickering at 2018-08-21T19:12:39-04:00

  Load plugins when starting a GHC session (#905)
  
  Fixes haskell/haddock#900
  
  (cherry picked from commit e6aa8fb47b9477cc5ef5e46097524fe83e080f6d)
  

• a80c5161
  by Alec Theriault at 2018-08-21T22:06:40-07:00

  Better rendering of unboxed sums/tuples
  
  * adds space after/before the '#' marks
  * properly reify 'HsSumTy' in 'synifyType'
  

• 88456cc1
  by Alec Theriault at 2018-08-21T22:06:40-07:00

  Handle promoted tuples in 'synifyType'
  
  When we have a fully applied promoted tuple, we can expand it out properly.
  

• fd1c1094
  by Alec Theriault at 2018-08-21T22:19:34-07:00

  Accept test cases
  

• 6e80d9e0
  by Alec Theriault at 2018-08-21T22:24:03-07:00

  Merge pull request haskell/haddock#914 from harpocrates/feature/unboxed-stuff
  
  Better rendering of unboxed sums, unboxed tuples, promoted tuples.

• 181a23f1
  by Ben Gamari at 2018-08-23T15:53:48-04:00

  Merge remote-tracking branch 'origin/ghc-8.6' into ghc-8.6
  

• 3a18c1d8
  by Alec Theriault at 2018-08-27T14:15:25-07:00

  Properly synify promoted list types
  
  We reconstruct promoted list literals whenever possible. That means
  that 'synifyType' produces
  
     '[Int, Bool, ()]
  
  instead of
  
     (Int ': (() ': (Bool ': ([] :: [Type]))))
  

• b4794946
  by Alec Theriault at 2018-09-03T07:19:55-07:00

  Only look at visible types when synifying a 'HsListTy'
  
  The other types are still looked at when considering whether to make
  a kind signature or not.
  

• a231fce2
  by Alec Theriault at 2018-09-03T07:38:10-07:00

  Merge pull request haskell/haddock#922 from harpocrates/promoted-lists
  
  Properly synify promoted list types

• 0fdf044e
  by Ningning Xie at 2018-09-15T10:25:58-04:00

  Update according to GHC Core changes
  

• 7379b115
  by Ningning Xie at 2018-09-15T15:40:18-04:00

  update dataFullSig to work with Co Quantification
  
  This should have been in the previous patch, but wasn't.
  

• cf84a046
  by Alec Theriault at 2018-09-17T20:12:18-07:00

  Fix/add to various docs
  
  * Add documentation for a bunch of previously undocumented
    options (fixes haskell/haddock#870)
  * Extend the documentation of `--hoogle` considerably (see haskell/haddock#807)
  * Describe how to add docs to `deriving` clauses (fixes haskell/haddock#912)
  * Fix inaccurate docs about hyperlinking infix identifiers (fixes haskell/haddock#780)
  

• ae017935
  by Alec Theriault at 2018-09-22T08:32:16-07:00

  Update Travis
  

• d95ae753
  by Alec Theriault at 2018-09-22T09:34:10-07:00

  Accept failing tests
  
  Also silence orphan warnings.
  

• f3e67024
  by Alec Theriault at 2018-09-22T09:41:23-07:00

  Bump haddock-api-2.21.0, haddock-library-1.7.0
  
  * Update CHANGELOGS
  * Update new versions in Cabal files
  * Purge references to ghc-8.4/master branches in README
  

• 3f136d4a
  by Alec Theriault at 2018-09-22T10:53:31-07:00

  Turn haddock-library into a minor release
  
  Fix some version bounds in haddock-library too.
  

• b9def006
  by Alec Theriault at 2018-09-22T13:07:35-07:00

  keep cabal.project file
  

• 4909aca7
  by Alec Theriault at 2018-10-16T09:36:30-07:00

  Build on 7.4 and 7.8
  

• 99d20a28
  by Herbert Valerio Riedel at 2018-10-16T18:45:52+02:00

  Minor tweak to package description
  

• a8059618
  by Herbert Valerio Riedel at 2018-10-16T18:47:24+02:00

  Merge pull request haskell/haddock#945
  
  haddock-api 2.21.0 and haddock-library 1.6.1 release

• 2d9bdfc1
  by Alec Theriault at 2018-10-16T10:54:21-07:00

  Bump haddock-library to 1.7.0
  
  The 1.6.1 release should've been a major bump, since types in
  the `Documentation.Haddock.Parser.Monad` module changed. This version
  makes that module internal (as it morally should be).
  

• ed340cef
  by Alec Theriault at 2018-10-16T14:59:13-07:00

  Merge branch 'ghc-8.4' into ghc-8.6
  

• 2821a8df
  by Alec Theriault at 2018-10-16T15:14:48-07:00

  Merge branch 'ghc-8.6' into ghc-head
  

• a722dc84
  by Alec Theriault at 2018-10-16T16:28:55-07:00

  Latex type families (#734)
  
  * Support for type families in LaTeX
  
  The code is ported over from the XHTML backend.
  
  * Refactor XHTML and LaTeX family handling
  
  This is mostly a consolidation effort: stripping extra exports,
  inlining some short definitions, and trying to make the backends
  match.
  
  The LaTeX backend now has preliminary support for data families,
  although the only the data instance head is printed (not the actual constructors).
  
  Both backends also now use "newtype" for newtype data family
  instances.
  
  * Add some tests
  

• 63377496
  by Alec Theriault at 2018-10-16T16:39:07-07:00

  Update changelog
  

• 099a0110
  by Alec Theriault at 2018-10-16T16:49:28-07:00

  Merge pull request haskell/haddock#942 from harpocrates/update-docs
  
  Fix & add to documentation

• 0927416f
  by Alec Theriault at 2018-10-16T16:50:14-07:00

  Set UTF-8 encoding before writing files (#934)
  
  This should fix haskell/haddock#929, as well as guard against future problems of this
  sort in other places. Basically replaces 'writeFile' (which selects the
  users default locale) with 'writeUtf8File' (which always uses utf8).

• 83b7b017
  by Alec Theriault at 2018-10-16T17:42:05-07:00

  Output pattern synonyms in Hoogle backend (#947)
  
  * Output pattern synonyms in Hoogle backend
  
  We were previously weren't outputting _any_ pattern synonyms, bundled or
  not. Now, we output both.
  
  Fixes haskell/haddock#946.
  
  * Update changelog
  

• 81e5033d
  by Alec Theriault at 2018-10-16T18:04:40-07:00

  Release `haddock{,-api}-2.22.0`
  
  This version will accompany ghc-8.6.2
  

• 9661744e
  by Alex Biehl at 2018-10-18T08:14:32-07:00

  Add NewOcean theme
  
  And make it the default theme.
  

• 7ae6d722
  by NunoAlexandre at 2018-10-18T08:14:32-07:00

  Improve appearance and readability
  
  These changes include:
  
  - use latest Haskell's logo colors
  - decrease #content width to improve readability
  - use nicer font
  - improve sizes and distances
  

• 37f8703d
  by NunoAlexandre at 2018-10-18T08:14:32-07:00

  Include custom font in the html head
  

• 1d5e1d79
  by NunoAlexandre at 2018-10-18T08:14:32-07:00

  Update html test reference files
  

• 53b7651f
  by NunoAlexandre at 2018-10-18T08:14:32-07:00

  Make it responsive
  
  - It makes small screens taking more space than larger ones
  - fixes a few issues present in small screens currently
  - make it look good across different screen sizes.
  

• 6aa1aeb1
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Make the style consistent with hackage
  
  Several things are addressed here:
  
  - better responsive behaviour on the header
  - better space usage
  - consistent colors overall
  - other nit PR comments
  

• 3a250c5c
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Place the package name before the menu links
  
  This supports the expected responsive menu design, where the
  package name appears above the menu links.
  

• cae699b3
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Update html-test reference files
  
  The package name element in the package-header is now a div instead of a
  paragraph, and it is now above the menu ul.links instead of below.
  

• 2ec7fd2d
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Improve synopsis style and code
  
  - Use CSS3 instead of loading pictures to show "+" and "-" symbols
  - Drop redundant code
  

• 0c874c01
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Decrease space between code blocks
  
  There was too much space between code blocks as pointed out by
  reviewers.
  

• 85568ce2
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Add an initial-scale property to all haddock pages
  
  This solves an issue reported about the content looking
  incredibly small on mobile devices.
  

• c1538926
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Address several PR comments
  
  - Darken text color like done for hackage
  - Move synopsis to left side
  - Make table of contents stick to the left on wide screens
  - Wrap links to avoid page overflow
  - Improve expand/collapse buttons
  - Fix issue with content size on mobile devices
  - Fix issue with font-size on landscape mode
  - Increase width of the content
  - Change colors of table of contents and synopsis
  - Etc
  

• e6639e5f
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Make synopsis scrollable on wide screens
  
  When the synopsis is longer than the screen, you can’t see its end
  and you can't scroll down either, making the content unreachable.
  

• 1f0591ff
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Improve information density
  
  - Reduce font size
  - Improve space between and within code blocks
  - Improve alignments
  - Improve spacing within sub-blocks
  

• bf083097
  by NunoAlexandre at 2018-10-18T08:14:32-07:00

  Minor adjustments
  
  Bring in some adjustments made to hackage:
  - link colors
  - page header show everything when package title is too long
  

• 10375fc7
  by NunoAlexandre at 2018-10-18T08:14:32-07:00

  Fix responsive triggers overlap issue
  
  The min and max width triggers have the same values,
  which caused the style resolution to take an intersection of
  both style declarations when the screen resolution had the size
  of the limts (say 1280px), causing an odd behaviour and look.
  

• 95ff2f95
  by NunoAlexandre at 2018-10-18T08:14:32-07:00

  Fix issue with menu alignment on firefox
  
  Reported and described here:
  https://github.com/haskell/haddock/pull/721#issuecomment-374668869
  

• dc86587e
  by Alex Biehl at 2018-10-18T08:14:32-07:00

  Changelog entry for NewOcean
  

• 27195e47
  by Herbert Valerio Riedel at 2018-10-18T08:14:32-07:00

  html-test --accept
  

• 83f4f9c0
  by Alex Biehl at 2018-10-18T08:14:32-07:00

  Avoid name shadowing
  

• 231487f1
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Update font to PT Sans
  
  Also migrate some general text related changes from hackage.
  

• 313db81a
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Use 'flex' to fix header alignment
  

• 5087367b
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Misc of tweaks
  
  - Update link colors to hackage scheme
  - Tune spacing between content elements
  - Update footer style
  - Fix and improve code blocks identation
  

• b08020df
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Update font in Xhtml.hs to PT Sans
  

• 78ce06e3
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Improve code blocks styling
  
  - Fix and improve spacing
  - Improve colors and borders
  

• 81262d20
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Make package-header caption backward-compatible
  
  The current html generator of this branch wraps the package-header
  caption as a div, which does not work (without style adjustments) with
  the old themes. Changing it from div to span does the trick, without
  needing to adjust the old stylesheets.
  

• dc4475cb
  by Nuno Alexandre at 2018-10-18T08:14:32-07:00

  Update test-suite reference html pages
  

• 393d35d8
  by Alec Theriault at 2018-10-18T08:25:36-07:00

  Accept tests
  

• a94484ba
  by Alec Theriault at 2018-10-21T10:29:29-07:00

  Fix CHANGELOG
  

• 8797eca3
  by Alec Theriault at 2018-10-21T10:36:19-07:00

  Update 'data-files' to include NewOcean stuff
  

• 1ae51e4a
  by Simon Jakobi at 2018-10-23T11:29:14+02:00

  Fix typo in a warning
  

• 009ad8e8
  by Alec Theriault at 2018-10-24T12:47:47-07:00

  Update JS dependencies
  
  This was done via `npm audit fix`. I think this fixes haskell/haddock#903 along with
  some more serious vulnerabilities that nobody seems to have noticed.
  

• 051994db
  by Alec Theriault at 2018-10-24T17:31:09-07:00

  Resurrect the style-switcher
  
  This fixes haskell/haddock#810. Looks like things were broken during the quickjump
  refactor of the JS.
  
  For the (git) record: I do not think the style switcher is a good idea.
  I'm fixing it for the same reason @mzero added it; as an answer to
  
    "rumblings from some that they didn't want their pixels changed on bit"
  

• 2a1d620f
  by Alec Theriault at 2018-10-24T17:38:07-07:00

  Fix copy-pasta error in data-files
  

• ed5bfb7f
  by Alec Theriault at 2018-10-24T20:42:14-07:00

  Fix the synopsis button
  
  Here's these changes are supposed to do:
  
    * put the synopsis back on the right side
    * properly have it on the edge of the screen on wide screens
    * adjust the background of the synopsis to match the button
      (otherwise the grey blends in with what is underneath)
    * get rid of the dotted purple line
    * the synopsis contents are now scrollable even when in wide
      screens (this has been a long-standing bug)
  

• 883fd74b
  by Alec Theriault at 2018-10-25T20:16:46-07:00

  Avoid more conflicts in generated ids  (#954)
  
  This fixes haskell/haddock#953 by passing more names into the generated ids.
  
  

• ea54e331
  by Alec Theriault at 2018-10-25T21:07:12-07:00

  Don't hide bullets in method docs
  
  I think thst CSS was meant only to deal with fields and the
  effect on bullets was accidental.
  
  Fixes haskell/haddock#926.
  

• 9a14ef4a
  by Alec Theriault at 2018-10-25T22:02:07-07:00

  Indent more things + slightly smaller font
  

• b9f17e29
  by Alec Theriault at 2018-10-25T22:10:01-07:00

  Merge branch 'ghc-8.6' into wip/new-ocean
  

• 096a3cfa
  by Alec Theriault at 2018-10-25T22:24:38-07:00

  Accept HTML output
  

• 2669517d
  by Alec Theriault at 2018-10-26T09:02:35-07:00

  User manual + stuff for building GHC docs
  

• 46b27687
  by Alec Theriault at 2018-10-26T09:10:59-07:00

  Make 'Contents' in NewOcean scrollable
  
  This only happens if the contents block on the left is so big that it
  doesn't fit (vertically) on the page. If that happens, we want it to
  be scrollable.
  

• 3443dd94
  by Alec Theriault at 2018-10-26T09:36:46-07:00

  Revert "Make 'Contents' in NewOcean scrollable"
  
  This reverts commit f909ffd8353d6463fd5dd184998a32aa98d5c922.
  
  I missed the fact this also forces the 'Contents' to always go down
  to the bottom of the page.
  

• ed081424
  by Alec Theriault at 2018-10-26T14:22:23-07:00

  Avoid some partiality
  
  AFAICT this wasn't causing any crashes, but that's mostly because
  we happen not to be forcing `pkgStr` when it would diverge. We come
  dangerously close to doing that in `ppHtmlIndex`.
  
  Fixes haskell/haddock#569.
  

• 6a5bec41
  by Alec Theriault at 2018-10-27T10:05:04-07:00

  Fix documentation in `haddock-api` (#957)
  
  * Fix misplaced Haddocks in Haddock itself
  
  Haddock should be able to generate documentation for 'haddock-api'
  again.
  
  * Make CI check that documentation can be built.
  
  * Add back a doc that is OK
  

• 5100450a
  by Matthew Yacavone at 2018-10-27T14:51:38-04:00

  More explicit foralls (GHC Proposal 0007)
  

• 8771a6b0
  by Alec Theriault at 2018-11-05T13:58:11-08:00

  Only run MathJax on entities with "mathjax" class (#960)
  
  Correspondingly, we wrap all inline/diplay math in
  
      <span class="mathjax"> ... the math .... </span>
  
  This fixes haskell/haddock#959.

• bd7ff5c5
  by Alec Theriault at 2018-11-05T15:54:22-08:00

  Deduplicate some work in 'AttachInstances'
  
  Perf only change:
  
    * avoid needlessly union-ing maps
    * avoid synify-ing instances twice
  
  Took this opportunity to add some docs too
  

• cf99fd8f
  by Alec Theriault at 2018-11-05T15:54:22-08:00

  Specialize some SYB functions
  
  Perf only change:
  
    * Add a 'SPECIALIZE' pragma to help GHC optimize a 'Data a =>' constraint
    * Manually specialize the needlessly general type of 'specializeTyVarBndrs'
  

• 4f91c473
  by Alec Theriault at 2018-11-05T15:54:22-08:00

  Improve perf of renaming
  
  Perf only change:
  
    * don't look up type variable names (they're never in the environment)
    * use a difference list for accumulating missing names
    * more efficient 'Functor'/'Applicative' instances for 'RnM'
  

• 4bbab0d4
  by Alec Theriault at 2018-11-05T15:54:22-08:00

  Faster 'Text' driven parser combinators
  
  Perf only change:
  
    * use 'getParserState'/'setParserState' to make 'Text'-optimized
      parser combinators
    * minimize uses of 'Data.Text.{pack,unpack,cons,snoc}'
  

• fa430c02
  by Alec Theriault at 2018-11-06T12:03:24-08:00

  Support hyperlink labels with inline markup
  
  The parser for pictures hasn't been properly adjusted yet.
  

• c1431035
  by Alec Theriault at 2018-11-06T12:03:24-08:00

  Support (and flatten) inline markup in image links
  
  Inline markup is supported in image links but, as per the [commonmark
  recommendation][0], it is stripped back to a plain text representation.
  
    [0]: https://spec.commonmark.org/0.28/#example-547
  

• d4ee1ba5
  by Alec Theriault at 2018-11-06T12:03:24-08:00

  Accept test case
  

• 8088aeb1
  by Alec Theriault at 2018-11-06T12:03:24-08:00

  Fix/add to haddock-library test suite
  

• e78f644d
  by Alec Theriault at 2018-11-06T13:26:31-08:00

  Bump version bounds
  

• 644335eb
  by Alec Theriault at 2018-11-06T13:53:30-08:00

  Merge pull request haskell/haddock#875 from harpocrates/feature/markup-in-hyperlinks
  
  Inline markup in markdown-style links and images

• e173ed0d
  by Alec Theriault at 2018-11-07T12:37:18-08:00

  Fix issues around plus/minus
  
    * swap the minimize unicode to something more intuitive
    * use new unicode expander/collapser for instance lists
    * address some alignment issues in the "index" page
  

• b2d92df7
  by Alec Theriault at 2018-11-07T13:41:57-08:00

  Allow "Contents" summary to scroll in a fixed div
  
  In the unfortunate event that the "Contents" summary doesn't fit
  vertically (like in the "Prelude"), it will be scrollable.
  

• ca704c23
  by Alec Theriault at 2018-11-07T13:45:15-08:00

  Accept HTML output changes
  

• 82c0ec6d
  by Alec Theriault at 2018-11-07T18:12:54-08:00

  overflow-y 'scroll' -> 'auto'
  

• 571d7657
  by Alec Theriault at 2018-11-08T19:44:12-08:00

  Clicking on "Contents" navigates to top of page
  

• 8065a012
  by Alec Theriault at 2018-11-08T19:44:17-08:00

  Space out functions more
  
  Also, functions and data decls now have the same space before and after
  them.
  

• cc650ede
  by Alec Theriault at 2018-11-09T08:13:35-08:00

  Merge branch 'ghc-8.6' into wip/new-ocean
  

• 65f8c17f
  by Alec Theriault at 2018-11-10T14:04:06-08:00

  Update changelog
  

• 20473847
  by Alec Theriault at 2018-11-10T14:21:40-08:00

  Replace oplus/ominus expander/collapser icons with triangles
  

• 16592957
  by Alec Theriault at 2018-11-10T14:35:10-08:00

  Merge pull request haskell/haddock#949 from haskell/wip/new-ocean
  
  Introduce NewOcean theme.

• 357cefe1
  by Alec Theriault at 2018-11-10T16:02:13-08:00

  Merge branch 'ghc-8.6' into ghc-head
  

• de612267
  by Alec Theriault at 2018-11-11T20:01:21-08:00

  Rename 'NewOcean' theme to 'Linuwial'
  

• 954b5baa
  by Alec Theriault at 2018-11-12T08:33:18-08:00

  Add blockquote styling
  
  Matches b71da1feabf33efbbc517ac376bb690b5a604c2f from hackage-server.
  
  Fixes haskell/haddock#967.
  

• d32c0b0b
  by Fangyi Zhou at 2018-11-12T10:24:13-08:00

  Fix some broken links (#15733)
  
  Summary:
  For links in subpackages as well.
  https://phabricator.haskell.org/D5257
  
  Test Plan: Manually verify links
  
  Reviewers: mpickering, bgamari, osa1
  
  Reviewed By: osa1
  
  GHC Trac Issues: haskell/haddock#15733
  
  Differential Revision: https://phabricator.haskell.org/D5262
  

• 41098b1f
  by Alp Mestanogullari at 2018-11-15T22:40:09+01:00

  Follow GHC HEAD's HsTypes.Promoted -> BasicTypes.PromotionFlag change
  
  It got introduced in ghc/ghc@ae2c9b40f5b6bf272251d1f4107c60003f541b62.
  

• c5c1c7e0
  by Alec Theriault at 2018-11-15T13:48:13-08:00

  Merge pull request haskell/haddock#970 from alpmestan/alp/fix-promotionflag
  
  Follow GHC HEAD's HsTypes.Promoted -> BasicTypes.PromotionFlag change

• 6473d3a4
  by Shayan-Najd at 2018-11-23T01:38:49+01:00

  [TTG: Handling Source Locations] Foundation and Pat
  Trac Issues haskell/haddock#15495
  
  This patch removes the ping-pong style from HsPat (only, for now), using the plan laid out at https://ghc.haskell.org/trac/ghc/wiki/ImplementingTreesThatGrow/HandlingSourceLocations (solution A).
  - the class `HasSrcSpan`, and its functions (e.g., `cL` and `dL`), are introduced
  - some instances of `HasSrcSpan` are introduced
  - some constructors `L` are replaced with `cL`
  - some patterns `L` are replaced with `dL->L` view pattern
  - some type annotation are necessarily updated (e.g., `Pat p` --> `Pat (GhcPass p)`)
  

• 7a088dfe
  by Alec Theriault at 2018-11-26T11:11:28-08:00

  More uniform handling of `forall`'s in HTML/LaTeX
  
   * don't forget to print explicit `forall`'s when there are arg docs
   * when printing an explicit `forall`, print all tyvars
  
  Fixes haskell/haddock#973
  

• d735e570
  by Alec Theriault at 2018-12-12T08:42:09-08:00

  Fix warnings, accept output
  
  * remove redundant imports (only brought to light due to recent work for
    improving redundant import detection)
  * fix a bug that was casuing exports to appear in reverse order
  * fix something in haddock-library that prevented compilation on old GHC's
  

• a3852f8a
  by Zejun Wu at 2018-12-14T09:37:47-05:00

  Output better debug infromation on internal error in extractDecl
  
  This will make investigation of haskell/haddock#979 easier
  

• 2eccb5b9
  by Alec Theriault at 2018-12-17T09:25:10-05:00

  Refactor names + unused functions (#982)
  
  This commit should not introduce any change in functionality!
  
    * consistently use `getOccString` to convert `Name`s to strings
    * compare names directly when possible (instead of comparing strings)
    * get rid of unused utility functions

• e82e4df8
  by Alec Theriault at 2018-12-20T16:16:30-05:00

  Load plugins when compiling each module (#983)
  
  * WIP: Load (typechecker) plugins from language pragmas
  
  * Revert "Load plugins when starting a GHC session (#905)"
  
  This reverts commit 72d82e52f2a6225686d9668790ac33c1d1743193.
  
  * Simplify plugin initialization code
  

• 96e86f38
  by Alec Theriault at 2018-12-23T10:23:20-05:00

  Properly synify and render promoted type variables  (#985)
  
  * Synify and render properly promoted type variables
  
  Fixes haskell/haddock#923.
  
  * Accept output
  

• 23343345
  by Alec Theriault at 2018-12-27T16:39:38-05:00

  Remove `haddock-test`'s dep. on `syb` (#987)
  
  The functionality is easily inlined into one short function: `gmapEverywhere`.
  This doesn't warrant pulling in another package.

• d0734f21
  by Alec Theriault at 2018-12-27T16:39:52-05:00

  Address deprecation warnings in `haddock-test` (#988)
  
  Fixes haskell/haddock#885.

• 4d9f144e
  by mynguyen at 2018-12-30T23:42:26-05:00

  Visible kind application haddock update
  

• ffe0e9ed
  by Alec Theriault at 2019-01-07T13:55:22-08:00

  Print kinded tyvars in constructors for Hoogle (#993)
  
  Fixes haskell/haddock#992

• 2e18b55d
  by Alec Theriault at 2019-01-10T16:42:45-08:00

  Accept new output `GHC.Maybe` -> `Data.Maybe` (#996)
  
  Since 53874834b779ad0dfbcde6650069c37926da1b79 in GHC, "GHC.Maybe"
  is marked as `not-home`. That changes around some test output.

• 055da666
  by Gabor Greif at 2019-01-22T14:41:51+01:00

  Lone typofix

• 01bb71c9
  by Alec Theriault at 2019-01-23T11:46:46-08:00

  Keep forall on H98 existential data constructors (#1003)
  
  The information about whether or not there is a source-level `forall`
  is already available on a `ConDecl` (as `con_forall`), so we should use
  it instead of always assuming `False`!
  
  Fixes haskell/haddock#1002.

• f9b9bc0e
  by Ryan Scott at 2019-01-27T09:28:12-08:00

  Fix haskell/haddock#1004 with a pinch of dropForAlls
  

• 5cfcdd0a
  by Alec Theriault at 2019-01-28T16:49:57-08:00

  Loosen 'QuickCheck' and 'hspec' bounds
  
  It looks like the new versions don't cause any breakage
  and loosening the bounds helps deps fit in one stack resolver.
  

• 3545d3dd
  by Alec Theriault at 2019-01-31T01:37:25-08:00

  Use `.hie` files for the Hyperlinker backend (#977)
  
  # Summary
  
  This is a large architectural change to the Hyperlinker.
  
    * extract link (and now also type) information from `.hie` instead
      of doing ad-hoc SYB traversals of the `RenamedSource`. Also
      adds a superb type-on-hover feature (#715).
  
   * re-engineer the lexer to avoid needless string conversions. By going
      directly through GHC's `P` monad and taking bytestring slices, we
      avoid a ton of allocation and have better handling of position
      pragmas and CPP.
  
  In terms of performance, the Haddock side of things has gotten _much_
  more efficient. Unfortunately, much of this is cancelled out by the
  increased GHC workload for generating `.hie` files. For the full set of
  boot libs (including `ghc`-the-library)
  
    * the sum of total time went down by 9-10% overall
    * the sum of total allocations went down by 6-7%
  
  # Motivation
  
  Haddock is moving towards working entirely over `.hi` and `.hie` files.
  This change means we no longer need the `RenamedSource` from
  `TypecheckedModule` (something which is _not_ in `.hi` files).
  
  # Details
  
  Along the way a bunch of things were fixed:
  
   * Cross package (and other) links are now more reliable (#496)
   * The lexer tries to recover from errors on every line (instead of at CPP
      boundaries)
   * `LINE`/`COLUMN` pragmas are taken into account
   * filter out zero length tokens before rendering
   * avoid recomputing the `ModuleName`-based `SrcMap`
   * remove the last use of `Documentation.Haddock.Utf8` (see  haskell/haddock#998)
   * restructure temporary folder logic for `.hi`/`.hie` model

• 2ded3359
  by Herbert Valerio Riedel at 2019-02-02T12:06:12+01:00

  Update/modernise haddock-library.cabal file
  

• 62b93451
  by Herbert Valerio Riedel at 2019-02-02T12:19:31+01:00

  Tentatively declare support for unreleased base-4.13/ghc-8.8
  

• 6041e767
  by Herbert Valerio Riedel at 2019-02-02T16:04:32+01:00

  Normalise LICENSE text w/ cabal's BSD2 template
  
  Also, correct the `.cabal` files to advertise `BSD2` instead
  of the incorrect `BSD3` license.
  

• 0b459d7f
  by Alec Theriault at 2019-02-02T18:06:12-08:00

  CI: fetch GHC from validate artifact
  
  Should help make CI be less broken
  

• 6b5c07cf
  by Alec Theriault at 2019-02-02T18:06:12-08:00

  Fix some Hyperlinker test suite fallout
  
  * Amend `ParserSpec` to match new Hyperlinker API
      - pass in compiler info
      - strip out null tokens
  
  * Make `hypsrc-test` pass reliably
      - strip out `local-*` ids
      - strip out `line-*` ids from the `ClangCppBug` test
      - re-accept output
  

• ded34791
  by Nathan Collins at 2019-02-02T18:31:23-08:00

  Update README instructions for Stack
  
  No need to `stack install` Haddock to test it. Indeed, `stack install` changes the `haddock` on user's `PATH` if `~/.local/bin` is on user's `PATH` which may not be desirable when hacking on Haddock.

• 723298c9
  by Alec Theriault at 2019-02-03T09:11:05-08:00

  Remove `Documentation.Haddock.Utf8`
  
  The circumstances under which this module appeared are completely gone.
  The Hyperlinker backend no longer needs this module (it uses the more
  efficient `Encoding` module from `ghc`).
  
  Why no deprecation? Because this module really shouldn't exist!
  
    - It isn't used in `haddock-library`/`haddock-api` anymore
    - It was copy pasted directly from `utf8-string`
    - Folks seeking a boot-lib only solution can use `ghc`'s `Encoding`
  

• 51050006
  by Alec Theriault at 2019-02-03T22:58:58-08:00

  Miscellaneous improvements to `Convert` (#1020)
  
  Now that Haddock is moving towards working entirely over `.hi` and `.hie` files,
  all declarations and types are going to be synthesized via the `Convert` module.
  In preparation for this change, here are a bunch of fixes to this module:
  
    * Add kind annotations to type variables in `forall`'s whose kind is not `Type`,
      unless the kind can be inferred from some later use of the variable. See
      `implicitForAll` and `noKindTyVars` in particular if you wish to dive into this.
  
    * Properly detect `HsQualTy` in `synifyType`. This is done by following suit with
      what GHC's `toIfaceTypeX` does and checking the first argument of
      `FunTy{} :: Type` to see if it classified as a given/wanted in the typechecker
      (see `isPredTy`). 
  
    * Beef up the logic around figuring out when an explicit `forall` is needed. This
      includes: observing if any of the type variables will need kind signatures, if the
      inferred type variable order _without_ a forall will still match the one GHC
      claims, and some other small things.
  
    * Add some (not yet used) functionality for default levity polymorphic type
      signatures. This functionality similar to `fprint-explicit-runtime-reps`.
  
  Couple other smaller fixes only worth mentioning:
  
    * Show the family result signature only when it isn't `Type`
    * Fix rendering of implicit parameters in the LaTeX and Hoogle backends
    * Better handling of the return kind of polykinded H98 data declarations
    * Class decls produced by `tyThingToLHsDecl` now contain associated type
      defaults and default method signatures when appropriate
    * Filter out more `forall`'s in pattern synonyms

• 841980c4
  by Oleg Grenrus at 2019-02-04T08:44:25-08:00

  Make a fixture of weird parsing of lists (#997)
  
  The second example is interesting.
  If there's a list directly after the header, and that list has
  deeper structure, the parser is confused: It finds two lists:
  
   - One with the first nested element,
   - everything after it
  
  I'm not trying to fix this, as I'm not even sure this is a bug,
  and not a feature.
  

• 7315c0c8
  by Ryan Scott at 2019-02-04T12:17:56-08:00

  Fix haskell/haddock#1015 with dataConUserTyVars (#1022)
  
  The central trick in this patch is to use `dataConUserTyVars` instead of
  `univ_tvs ++ ex_tvs`, which displays the foralls in a GADT constructor in
  a way that's more faithful to how the user originally wrote it.
  
  Fixes haskell/haddock#1015.

• ee0b49a3
  by Ryan Scott at 2019-02-04T15:25:17-05:00

  Changes from haskell/haddock#14579
  
  We now have a top-level `tyConAppNeedsKindSig` function, which means
  that we can delete lots of code in `Convert`.
  

• 1c850dc8
  by Alan Zimmerman at 2019-02-05T21:54:18+02:00

  Matching changes in GHC for haskell/haddock#16236
  

• ab03c38e
  by Simon Marlow at 2019-02-06T08:07:33+00:00

  Merge pull request haskell/haddock#1014 from hvr/pr/bsd2-normalise
  
  Normalise LICENSE text w/ cabal's BSD2 template

• 5a92ccae
  by Alec Theriault at 2019-02-10T06:21:55-05:00

  Merge remote-tracking branch 'gitlab/wip/T16236-2' into ghc-head
  

• c0485a1d
  by Alec Theriault at 2019-02-10T03:32:52-08:00

  Removes `haddock-test`s dependency on `xml`/`xhtml` (#1027)
  
  This means that `html-test`, `latex-test`, `hoogle-test`, and
  `hypsrc-test` now only depend on GHC boot libs. So we should
  now be able to build and run these as part of GHC's testsuite. \o/
  
  The reference output has changed very slightly, in three ways:
  
    * we don't convert quotes back into `"` as the `xml` lib did
    * we don't add extra ` ` as the `xml` lib did
    * we now remove the entire footer `div` (instead of just emptying it)

• 65a448e3
  by Alec Theriault at 2019-02-11T12:27:41-05:00

  Remove workaround for now-fixed Clang CPP bug (#1028)
  
  Before LLVM 6.0.1 (or 10.0 on Apple LLVM), there was a bug where
  lines that started with an octothorpe but turned out not
  to lex like pragmas would have an extra line added after them.
  
  Since this bug has been fixed upstream and that it doesn't have dire
  consequences anyways, the workaround is not really worth it
  anymore - we can just tell people to update their clang version (or re-structure
  their pragma code).

• 360ca937
  by Alec Theriault at 2019-02-13T11:36:11-05:00

  Clean up logic for guessing `-B` and `--lib` (#1026)
  
  Haddock built with the `in-ghc-tree` flag tries harder to find the GHC
  lib folder and its own resources. This should make it possible to use
  `in-ghc-tree`-built Haddock without having to specify the `-B` and
  `--lib` options (just how you can use in-tree GHC without always
  specifying the `-B` option).
  
  The logic to do this relies on `getExecutablePath`, so we only get
  this auto-detection on platforms where this function works.

• d583e364
  by Alec Theriault at 2019-02-16T10:41:22-05:00

  Fix tests broken by GHC
  
  Changes in 19626218566ea709b5f6f287d3c296b0c4021de2 affected some
  of the hyperlinker output. Accepted the new output (hovering over a
  `..` now shows you what that wildcard binds).
  
  Also fixed some stray deprecation warnings.
  

• da0c42cc
  by Vladislav Zavialov at 2019-02-17T11:39:19+03:00

  Parser changes to match !380
  

• ab96bed7
  by Ryan Scott at 2019-02-18T04:44:08-05:00

  Bump ghc version to 8.9
  

• 44b7c714
  by Alec Theriault at 2019-02-22T05:49:43-08:00

  Match GHC changes for T16185
  
  `FunTy` now has an `AnonArgFlag` that indicates whether the arrow is
  a `t1 => t2` or `t1 -> t2`.
  
  This commit shouldn't change any functionality in Haddock.
  

• 2ee653b1
  by Alec Theriault at 2019-02-24T18:53:33-08:00

  Update .travis.yml
  
  Points to the new GHC CI artifact.

• 90939d71
  by Alec Theriault at 2019-02-25T00:42:41-08:00

  Support value/type namespaces on identifier links
  
  Identifier links can be prefixed with a 'v' or 't' to indicate the value or
  type namespace of the desired identifier. For example:
  
  -- | Some link to a value: v'Data.Functor.Identity'
  --
  -- Some link to a type: t'Data.Functor.Identity'
  
  The default is still the type (with a warning about the ambiguity)
  

• d6ed496c
  by Alec Theriault at 2019-02-25T00:42:46-08:00

  Better identifier parsing
  
    * '(<|>)' and '`elem`' now get parsed and rendered properly as links
    * 'DbModule'/'DbUnitId' now properly get split apart into two links
    * tuple names now get parsed properly
    * some more small niceties...
  
  The identifier parsing code is more precise and more efficient (although to be
  fair: it is also longer and in its own module). On the rendering side, we need
  to pipe through information about backticks/parens/neither all the way through
  from renaming to the backends.
  
  In terms of impact: a total of 35 modules in the entirety of the bootlib + ghc
  lib docs change. The only "regression" is things like '\0'. These should be
  changed to @\\0@ (the path by which this previously worked seems accidental).
  

• 3c3b404c
  by Alec Theriault at 2019-02-25T22:12:11-08:00

  Fix standalone deriving docs
  
  Docs on standalone deriving decls for classes with associated types
  should be associated with the class instance, not the associated type
  instance.
  
  Fixes haskell/haddock#1033
  

• d51ef69e
  by Alec Theriault at 2019-02-26T19:14:59-08:00

  Fix bogus identifier defaulting
  
  This avoids a situation in which an identifier would get defaulted to
  a completely different identifier. Prior to this commit, the 'Bug1035'
  test case would hyperlink 'Foo' into 'Bar'!
  
  Fixes haskell/haddock#1035.
  

• 88cbbdc7
  by Ryan Scott at 2019-02-27T10:14:03-05:00

  Visible dependent quantification (#16326) changes
  

• 0dcf6cee
  by Xia Li-yao at 2019-02-27T21:53:27-05:00

  Menu item controlling which instances are expanded/collapsed (#1007)
  
  Adds a menu item (like "Quick Jump") for options related to displaying
  instances. This provides functionality for:
  
    * expanding/collapsing all instances on the currently opened page
    * controlling whether instances are expanded/collapsed by default
    * controlling whether the state of instances should be "remembered"
  
  This new functionality is implemented in Typescript in `details-helper`.
  The built-in-themes style switcher also got a revamp so that all three
  of QuickJump, the style switcher, and instance preferences now have
  the same style and implementation structure.
  
  See also: https://mail.haskell.org/pipermail/haskell-cafe/2019-January/130495.html
  
  Fixes haskell/haddock#698.
  
  Co-authored-by: Lysxia <lysxia@gmail.com>
  Co-authored-by: Nathan Collins <conathan@galois.com>
  
  

• 3828c0fb
  by Alec Theriault at 2019-02-28T12:42:49-05:00

  `--show-interface` should output to stdout. (#1040)
  
  Fixes haskell/haddock#864.

• a50f4cda
  by gbaz at 2019-03-01T07:43:16-08:00

  Increase contrast of Linuwal theme (#1037)
  
  This is to address the concern that, on less nice and older screens,
  some of the shades of grey blend in too easily with the white
  background.
  
   * darken the font slightly
   * darken slightly the grey behind type signatures and such
   * add a border and round the corners on code blocks
   * knock the font down by one point

• ab4d41de
  by Alec Theriault at 2019-03-03T09:23:26-08:00

  Merge branch 'ghc-8.6' into ghc-8.8
  

• 12f509eb
  by Ben Gamari at 2019-03-04T22:13:20-05:00

  Remove reference to Opt_SplitObjs flag
  
  Split-objects has been removed.
  

• 5b3e4c9a
  by Ryan Scott at 2019-03-06T19:16:24-05:00

  Update html-test output to reflect haskell/haddock#16391 changes
  

• fc228af1
  by Alec Theriault at 2019-03-09T08:29:23-08:00

  Match changes for "Stop inferring over-polymorphic kinds"
  
  The `hsq_ext` field of `HsQTvs` is now just the implicit variables
  (instead of also including information about which of these variables
  are dependent).
  
  This commit shouldn't change any functionality in Haddock.
  

• 6ac109eb
  by Alec Theriault at 2019-03-09T11:22:55-08:00

  Add .hi, .dyn_hi, etc files to .gitignore
  
  Fixes haskell/haddock#1030.
  

• b55f0c05
  by Alec Theriault at 2019-03-09T11:22:55-08:00

  Better support for default methods in classes
  
    * default methods now get rendered differently
    * default associated types get rendered
    * fix a forgotten `s/TypeSig/ClassOpSig/` refactor in LaTeX backend
    * LaTeX backend now renders default method signatures
  
  NB: there is still no way to document default class members and the
  NB: LaTeX backend still crashes on associated types
  

• 10aea0cf
  by Alec Theriault at 2019-03-09T11:22:55-08:00

  Avoid multi-line `emph` in LaTeX backend
  
  `markupWarning` often processes inputs which span across paragraphs.
  Unfortunately, LaTeX's `emph` is not made to handle this (and will
  crash).
  
  Fixes haskell/haddock#936.
  

• d22dc2c9
  by Alec Theriault at 2019-03-09T11:22:55-08:00

  Many LaTeX backend fixes
  
  After this commit, we can run with `--latex` on all boot libraries
  without crashing (although the generated LaTeX still fails to compile in
  a handful of larger packages like `ghc` and `base`).
  
   * Add newlines after all block elements in LaTeX. This is important to
     prevent the final output from being more an more indented. See the
     `latext-test/src/Example` test case for a sample of this.
  
   * Support associated types in class declarations (but not yet defaults)
  
   * Several small issues for producing compiling LaTeX;
       - avoid empy `\haddockbeginargs` lists (ex: `type family Any`)
       - properly escape identifiers depending on context (ex: `Int#`)
       - add `vbox` around `itemize`/`enumerate` (so they can be in tables)
  
   * Several spacing fixes:
       - limit the width of `Pretty`-arranged monospaced code
       - cut out extra space characters in export lists
       - only escape spaces if there are _multiple_ spaces
       - allow type signatures to be multiline (even without docs)
  
   * Remove uninteresting and repetitive `main.tex`/`haddock.sty` files
     from `latex-test` test reference output.
  
  Fixes haskell/haddock#935, haskell/haddock#929 (LaTeX docs for `text` build & compile)
  Fixes haskell/haddock#727, haskell/haddock#930 (I think both are really about type families...)
  

• 0e6cee00
  by Alec Theriault at 2019-03-29T12:11:56-07:00

  Remove workaround for now-fixed Clang CPP bug (#1028)
  
  Before LLVM 6.0.1 (or 10.0 on Apple LLVM), there was a bug where
  lines that started with an octothorpe but turned out not
  to lex like pragmas would have an extra line added after them.
  
  Since this bug has been fixed upstream and that it doesn't have dire
  consequences anyways, the workaround is not really worth it
  anymore - we can just tell people to update their clang version (or re-structure
  their pragma code).
  

• ce05434d
  by Alan Zimmerman at 2019-03-29T12:12:11-07:00

  Matching changes in GHC for haskell/haddock#16236
  
  (cherry picked from commit 3ee6526d4ae7bf4deb7cd1caf24b3d7355573576)
  

• d85766b2
  by Ben Gamari at 2019-03-29T12:14:04-07:00

  Bump GHC to 8.8
  

• 5a82cbaf
  by Oleg Grenrus at 2019-05-05T13:02:00-07:00

  Redo ParseModuleHeader
  

• b9033348
  by Oleg Grenrus at 2019-05-05T13:02:00-07:00

  Comment C, which clarifies why e.g. ReadP is not enough
  

• bb55c8f4
  by Alec Theriault at 2019-05-13T16:10:07-07:00

  Remove outdated `.ghci` files and `scripts`
  
  The `.ghci` files are actively annoying when trying to `cabal v2-repl`.
  As for the `scripts`, the distribution workflow is completely different.
  

• 5ee244dc
  by Alec Theriault at 2019-05-13T16:10:07-07:00

  Remove obsolete arcanist files + STYLE
  
  Now that GHC is hosted on Gitlab, the arcanist files don't make sense
  anymore. The STYLE file contains nothing more than a dead link too.
  

• d07c1928
  by Oleg Grenrus at 2019-05-13T16:41:43-07:00

  Redo ParseModuleHeader
  

• 492762d2
  by Oleg Grenrus at 2019-05-13T16:41:43-07:00

  Comment C, which clarifies why e.g. ReadP is not enough
  

• af2ac773
  by Ryan Scott at 2019-05-14T17:22:13-04:00

  Changes for haskell/haddock#16110/#16356
  

• 6820ed0d
  by Alec Theriault at 2019-05-17T08:51:27-07:00

  Unbreak haskell/haddock#1004 test case
  
  `fail` is no longer part of `Monad`.
  

• 6bf7be98
  by Alec Theriault at 2019-05-17T08:51:27-07:00

  Fix haskell/haddock#1063 with better parenthesization logic for contexts
  
  The only other change in html/hoogle/hyperlinker output for the boot
  libraries that this caused is a fix to some Hoogle output for implicit
  params.
  
  ```
  $ diff -r _build/docs/ old_docs
  diff -r _build/docs/html/libraries/base/base.txt old_docs/html/libraries/base/base.txt
  13296c13296
  < assertError :: (?callStack :: CallStack) => Bool -> a -> a
  ---
  > assertError :: ?callStack :: CallStack => Bool -> a -> a
  ```
  

• b5716b61
  by Ryan Scott at 2019-05-22T17:24:32-04:00

  Match changes with haskell/haddock#14332
  

• c115abf6
  by Alec Theriault at 2019-05-26T16:01:58-04:00

  Remove Haddock's dependency on `Cabal`
  
  At this point, Haddock depended on Cabal-the-library solely for a
  verbosity parser (which misleadingly accepts all sorts of verbosity
  options that Haddock never uses). Now, the only dependency on Cabal
  is for `haddock-test` (which uses Cabal to locate the Haddock interface
  files of a couple boot libraries).
  

• e5b2d4a3
  by Alec Theriault at 2019-05-26T16:16:25-04:00

  Regression test: promoted lists in associated types
  
  When possible, associated types with promoted lists should use the
  promoted list literal syntax (instead of repeated applications of
  ': and '[]). This was fixed in 2122de5473fd5b434af690ff9ccb1a2e58491f8c.
  
  Closes haskell/haddock#466,
  

• cc5ad5d3
  by Alec Theriault at 2019-05-26T17:55:54-04:00

  Merge branch 'ghc-8.6' into ghc-8.8
  

• 4b3301a6
  by Alec Theriault at 2019-05-26T17:57:52-04:00

  Release haddock-2.23, haddock-library-1.8.0
  
  Tentatively adjust bounds and changelogs for the release to be bundled
  with GHC 8.8.1.
  

• 69c7cfce
  by Matthew Pickering at 2019-05-30T10:54:27+01:00

  Update hyperlinker tests for new types in .hie files
  

• 29b7e738
  by Zubin Duggal at 2019-05-30T10:57:51+01:00

  update for new way to store hiefile headers
  

• aeca5d5f
  by Zubin Duggal at 2019-06-04T18:57:42-04:00

  update for new way to store hiefile headers
  

• ba2ca518
  by Ben Gamari at 2019-06-07T23:11:14+00:00

  Update test output for introduction of Safe-Inferred
  

• 3a975a6c
  by Ryan Scott at 2019-07-03T12:06:27-04:00

  Changes for haskell/haddock#15247
  

• 0df46555
  by Zubin Duggal at 2019-07-22T10:52:50+01:00

  Fix haddockHypsrcTest
  

• 2688686b
  by Sylvain Henry at 2019-09-12T23:19:39+02:00

  Fix for GHC module renaming
  

• 9ec0f3fc
  by Alec Theriault at 2019-09-20T03:21:00-04:00

  Fix Travis CI, loosen .cabal bounds (#1089)
  
  Tentatively for the 2.23 release:
  
    * updated Travis CI to work again
    * tweaked bounds in the `.cabal` files
    * adjusted `extra-source-files` to properly identify test files

• ca559beb
  by Matthías Páll Gissurarson at 2019-09-28T12:14:40-04:00

  Small change in to facilitate extended typed-holes (#1090)
  
  This change has no functional effect on haddock itself, it just changes one pattern to use `_ (` rather than `_(`, so that we may use `_(` as a token for extended typed-holes later.

• 02e28976
  by Vladislav Zavialov at 2019-09-28T12:17:45-04:00

  Remove spaces around @-patterns (#1093)
  
  This is needed to compile `haddock` when [GHC Proposal haskell/haddock#229](https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0229-whitespace-bang-patterns.rst) is implemented.

• 83cbbf55
  by Alexis King at 2019-09-30T21:12:42-04:00

  Fix the ignore-exports option (#1082)
  
  The `ignore-exports` option has been broken since haskell/haddock#688, as mentioned in https://github.com/haskell/haddock/pull/766#issue-172505043. This PR fixes it.

• e127e0ab
  by Ben Gamari at 2019-10-06T15:12:06-04:00

  Fix a few haddock issues
  

• 3a0f5c89
  by Zubin Duggal at 2019-10-07T17:56:13-04:00

  Fix crash when there are no srcspans in the file due to CPP
  

• 339c5ff8
  by Alec Theriault at 2019-10-07T17:56:13-04:00

  Prefer un-hyperlinked sources to no sources
  
  It is possible to fail to extract an HIE ast. This is however not a
  reason to produce _no_ output - we should still make a colorized HTML
  page.
  

• d47ef478
  by Alec Theriault at 2019-10-07T17:56:13-04:00

  Add a regression test for haskell/haddock#1091
  
  Previously, this input would crash Haddock.
  

• ed7c8b0f
  by Alec Theriault at 2019-10-07T20:56:48-04:00

  Add Hyperlinker test cases for TH-related stuff
  
  Hopefully this will guard against regressions around quasiquotes, TH
  quotes, and TH splices.
  

• d00436ab
  by Andreas Klebinger at 2019-10-21T15:53:03+02:00

  Refactor for withTiming changes.
  

• 4230e712
  by Ben Gamari at 2019-10-22T09:36:37-04:00

  Merge pull request haskell/haddock#1101 from AndreasPK/withTimingRefactor
  
  Refactor for withTiming changes.

• d155c5f4
  by Ryan Scott at 2019-10-23T10:37:17-04:00

  Reify oversaturated data family instances correctly (#1103)
  
  This fixes haskell/haddock#1103 by adapting the corresponding patch for GHC (see
  https://gitlab.haskell.org/ghc/ghc/issues/17296 and
  https://gitlab.haskell.org/ghc/ghc/merge_requests/1877).
  

• 331a5adf
  by Sebastian Graf at 2019-10-25T17:14:40+02:00

  Refactor for OutputableBndrId changes
  

• 48a490e0
  by Ben Gamari at 2019-10-27T10:16:16-04:00

  Merge pull request haskell/haddock#1105 from sgraf812/wip/flexible-outputable
  
  Refactor for OutputableBndrId changes

• f62a7dfc
  by Sebastian Graf at 2019-11-01T11:54:16+00:00

  Define `XRec` for location information and get rid of `HasSrcSpan`
  
  In https://gitlab.haskell.org/ghc/ghc/merge_requests/1970 I propose a
  simpler way to encode location information into the GHC and Haddock AST
  while incurring no cost for e.g. TH which doesn't need location
  information.
  
  These are just changes that have to happen in lock step.
  

• d9b242ed
  by Ryan Scott at 2019-11-03T13:20:03-05:00

  Changes from haskell/haddock#14579
  
  We now have a top-level `tyConAppNeedsKindSig` function, which means
  that we can delete lots of code in `Convert`.
  
  (cherry picked from commit cfd682c5fd03b099a3d78c44f9279faf56a0ac70)
  

• dfd42406
  by Sebastian Graf at 2019-11-04T07:02:14-05:00

  Define `XRec` for location information and get rid of `HasSrcSpan`
  
  In https://gitlab.haskell.org/ghc/ghc/merge_requests/1970 I propose a
  simpler way to encode location information into the GHC and Haddock AST
  while incurring no cost for e.g. TH which doesn't need location
  information.
  
  These are just changes that have to happen in lock step.
  

• 0b15be7c
  by Ben Gamari at 2019-11-09T13:21:33-05:00

  Import isRuntimeRepVar from Type rather than TyCoRep
  
  isRuntimeRepVar is not longer exported from TyCoRep due to ghc#17441.
  

• 091f7283
  by Ben Gamari at 2019-11-10T12:47:06-05:00

  Bump to GHC 8.10
  

• e88c71f2
  by Ben Gamari at 2019-11-14T00:22:24-05:00

  Merge pull request haskell/haddock#1110 from haskell/wip/T17441
  
  Import isRuntimeRepVar from Type rather than TyCoRep

• 4e0bbc17
  by Ben Gamari at 2019-11-14T00:22:45-05:00

  Version bumps for GHC 8.11
  

• 0e85ceb4
  by Ben Gamari at 2019-11-15T11:59:45-05:00

  Bump to GHC 8.10
  

• 00d6d68b
  by Ben Gamari at 2019-11-16T18:35:58-05:00

  Bump ghc version to 8.11
  

• dde1fc3f
  by Ben Gamari at 2019-11-16T20:40:37-05:00

  Drop support for base 4.13
  

• f52e331d
  by Vladislav Zavialov at 2019-11-24T13:02:28+03:00

  Update Hyperlinker.Parser.classify to use ITdollar
  

• 1ad96198
  by Vladislav Zavialov at 2019-11-28T16:12:33+03:00

  Remove HasSrcSpan (#17494)
  

• 651afd70
  by Herbert Valerio Riedel at 2019-12-08T12:08:16+01:00

  Document error-prone conditional definition of instances
  
  This can easily trip up people if one isn't aware of it. Usually it's
  better to avoid this kind of conditionality especially for typeclasses
  for which there's an compat-package as conditional instances like
  these tend to fragment the ecosystem into those packages that go the
  extra mile to provide backward compat via those compat-packages and
  those that fail to do so.
  

• b521af56
  by Herbert Valerio Riedel at 2019-12-08T12:09:54+01:00

  Fix build-failure regression for base < 4.7
  
  The `$>` operator definition is available only since base-4.7 which
  unfortunately wasn't caught before release to Hackage (but has been
  fixed up by a metadata-revision)
  
  This commit introduces a `CompatPrelude` module which allows to reduce
  the amount of CPP by ousting it to a central location, i.e. the new
  `CompatPrelude` module. This pattern also tends to reduce the tricks
  needed to silence unused import warnings.
  
  Addresses haskell/haddock#1119
  

• 556c375d
  by Sylvain Henry at 2020-01-02T19:01:55+01:00

  Fix after Iface modules renaming
  

• bd6c53e5
  by Sylvain Henry at 2020-01-07T00:48:48+01:00

  hsyl20-modules-renamer
  

• fb23713b
  by Ryan Scott at 2020-01-08T07:41:13-05:00

  Changes for GHC#17608
  
  See https://gitlab.haskell.org/ghc/ghc/merge_requests/2372
  

• 4a4dd382
  by Ryan Scott at 2020-01-25T08:08:26-05:00

  Changes for GHC#17566
  
  See https://gitlab.haskell.org/ghc/ghc/merge_requests/2469
  

• e782a44d
  by Sylvain Henry at 2020-01-26T02:12:37+01:00

  Rename PackageConfig into UnitInfo
  

• ba3c9f05
  by Sylvain Henry at 2020-01-26T02:12:37+01:00

  Rename lookupPackage
  

• ab37f9b3
  by Ben Gamari at 2020-01-29T13:00:44-05:00

  Merge pull request haskell/haddock#1125 from haskell/wip/T17566-take-two
  
  Changes for GHC#17566

• 3ebd5ae0
  by Ryan Scott at 2020-01-31T05:56:50-05:00

  Merge branch 'wip-hsyl20-package-refactor' into ghc-head
  

• 602a747e
  by Richard Eisenberg at 2020-02-04T09:05:43+00:00

  Echo GHC's removal of PlaceHolder module
  
  This goes with GHC's !2083.
  

• ccfe5679
  by Sylvain Henry at 2020-02-10T10:13:56+01:00

  Module hierarchy: runtime (cf haskell/haddock#13009)
  

• 554914ce
  by Cale Gibbard at 2020-02-10T16:10:39-05:00

  Fix build of haddock in stage1
  
  We have to use the correct version of the GHC API, but the version of the compiler itself doesn't matter.
  

• 5b6fa2a7
  by John Ericson at 2020-02-10T16:18:07-05:00

  Noramlize `tested-with` fields in cabal files
  

• e6eb3ebe
  by Vladislav Zavialov at 2020-02-16T13:25:26+03:00

  No MonadFail/Alternative for P
  

• 90e181f7
  by Ben Gamari at 2020-02-18T14:13:47-05:00

  Merge pull request haskell/haddock#1129 from obsidiansystems/wip/fix-stage1-build
  
  Fix build of haddock in stage1

• 93b64636
  by Sylvain Henry at 2020-02-19T11:20:27+01:00

  Modules: Driver (#13009)
  

• da4f6c7b
  by Vladislav Zavialov at 2020-02-22T15:33:02+03:00

  Use RealSrcSpan in InstMap
  

• 479b1b50
  by Ben Gamari at 2020-02-23T10:28:13-05:00

  Merge remote-tracking branch 'upstream/ghc-head' into HEAD
  

• 55ecacf0
  by Sylvain Henry at 2020-02-25T15:18:27+01:00

  Modules: Core (#13009)
  

• 60867b3b
  by Vladislav Zavialov at 2020-02-28T15:53:52+03:00

  Ignore the BufLoc/BufSpan added in GHC's !2516
  

• 1e5506d3
  by Sylvain Henry at 2020-03-02T12:32:43+01:00

  Modules: Core (#13009)
  

• 6fb53177
  by Richard Eisenberg at 2020-03-09T14:49:40+00:00

  Changes in GHC's !1913.
  

• 30b792ea
  by Ben Gamari at 2020-03-16T12:45:02-04:00

  Merge pull request haskell/haddock#1130 from hsyl20/wip/hsyl20-modules-core2
  
  Modules: Core (#13009)

• cd761ffa
  by Sylvain Henry at 2020-03-18T15:24:00+01:00

  Modules: Types
  

• b6646486
  by Ben Gamari at 2020-03-18T14:42:43-04:00

  Merge pull request haskell/haddock#1133 from hsyl20/wip/hsyl20/modules/types
  
  Modules: Types

• 9325d734
  by Kleidukos at 2020-03-19T12:38:31-04:00

  Replace the 'caption' class so that the collapsible sections are shown
  

• 5e2bb555
  by Kleidukos at 2020-03-19T12:38:31-04:00

  Force ghc-8.8.3
  

• c6fcd0aa
  by Kleidukos at 2020-03-19T12:38:31-04:00

  Update test fixtures
  

• 5c849cb1
  by Sylvain Henry at 2020-03-20T09:34:39+01:00

  Modules: Types
  

• 7f439155
  by Alec Theriault at 2020-03-20T20:17:01-04:00

  Merge branch 'ghc-8.8' into ghc-8.10
  

• b7904e5c
  by Alina Banerjee at 2020-03-20T20:24:17-04:00

  Update parsing to strip whitespace from table cells (#1074)
  
  * Update parsing to strip leading & trailing whitespace from table cells
  
  * Update fixture data to disallow whitespaces at both ends in table cells
  
  * Add test case for whitespaces stripped from both ends of table cells
  
  * Update table reference test data for html tests
  

• b9d60a59
  by Alec Theriault at 2020-03-22T11:46:42-04:00

  Clean up warnings
  
    * unused imports
    * imports of `Data.List` without import lists
    * missing `CompatPrelude` file in `.cabal`
  

• 0c317dbe
  by Alec Theriault at 2020-03-22T18:46:54-04:00

  Fix NPM security warnings
  
  This was done by calling `npm audit fix`. Note that the security issues
  seem to have been entirely in the build dependencies, since the output
  JS has not changed.
  

• 6e306242
  by Alec Theriault at 2020-03-22T20:10:52-04:00

  Tentative 2.24 release
  
  Adjusted changelogs and versions in `.cabal` files in preparation for
  the upcoming release bundled with GHC 8.10.
  

• 1bfb4645
  by Ben Gamari at 2020-03-23T16:40:54-04:00

  Merge commit '3c2944c037263b426c4fe60a3424c27b852ea71c' into HEAD
  
  More changes from the GHC types module refactoring.
  

• be8c6f3d
  by Alec Theriault at 2020-03-26T20:10:53-04:00

  Update `.travis.yml` to work with GHC 8.10.1
  
    * Regenerated the Travis file with `haskell-ci`
  
    * Beef up `.cabal` files with more `tested-with` information
  

• b025a9c6
  by Alec Theriault at 2020-03-26T20:10:53-04:00

  Update README
  
  Removed some out of date links/info, added some more useful links.
  
    * badge to Hackage
    * update old trac link
    * `ghc-head` => `ghc-8.10`
    * `cabal new-*` is now `cabal v2-*` and it should Just Work
    * `--test-option='--accept'` is the way to accept testsuite output
  

• 564d889a
  by Alec Theriault at 2020-03-27T20:34:33-04:00

  Fix crash in `haddock-library` on unicode space
  
  Our quickcheck tests for `haddock-library` stumbled across an edge case
  input that was causing Haddock to crash: it was a unicode space
  character.
  
  The root cause of the crash is that we were implicitly assuming that
  if a space character was not " \t\f\v\r", it would have to be "\n".
  We fix this by instead defining horizontal space as: any space character
  that is not '\n'.
  
  Fixes haskell/haddock#1142
  

• 2d360ba1
  by Alec Theriault at 2020-03-27T21:57:32-04:00

  Disallow qualified uses of reserved identifiers
  
  This a GHC bug (https://gitlab.haskell.org/ghc/ghc/issues/14109) too,
  but it is a relatively easy fix in Haddock. Note that the fix must live
  in `haddock-api` instead of `haddock-library` because we can only really
  decide if an identifier is a reserved one by asking the GHC lexer.
  
  Fixes haskell/haddock#952
  

• 47ae22ed
  by Alec Theriault at 2020-03-28T13:36:25-04:00

  Remove unused `Haddock.Utils` functions
  
    * removed functions in `Haddock.Utils` that were not used anywhere
      (or exported from the `haddock-api` package)
  
    * moved GHC-specific utils from `Haddock.Utils` to `Haddock.GhcUtils`
  

• c0291245
  by Alec Theriault at 2020-03-28T13:36:25-04:00

  Use TTG empty extensions to remove some `error`'s
  
  None of these error cases should ever have been reachable, so this is
  just a matter of leveraging the type system to assert this.
  
    * Use the `NoExtCon` and `noExtCon` to handle case matches for no
      extension constructors, instead of throwing an `error`.
  
    * Use the extension field of `HsSpliceTy` to ensure that this variant
      of `HsType` cannot exist in an `HsType DocNameI`.
  

• 0aff8dc4
  by Alec Theriault at 2020-03-28T13:36:25-04:00

  Use `unLoc`/`noLoc` from GHC instead of `unL`/`reL`
  
   * `unL` is already defined by GHC as `unLoc`
   * `reL` is already defined by GHC as `noLoc` (in a safer way too!)
   * Condense `setOutputDir` and add a about exporting from GHC
  
  Fixes haskell/haddock#978
  

• bf6f2fb7
  by Alec Theriault at 2020-03-28T13:36:25-04:00

  Cleanup up GHC flags in `.cabal` files
  
    * enable more useful warning flags in `haddock-api`, handle the new
      warnings generated
  
    * remove `-fwarn-tabs` (now we'd use `-Wtabs`, but this has been in
      `-Wall` for a while now)
  

• c576fbf1
  by Alec Theriault at 2020-03-28T13:36:25-04:00

  `haddock-library` document header level
  
  Document the fact the header level is going to always be between 1 and 6
  inclusive. Along the way, I also optimized the parsing code a bit.
  

• 71bce0ee
  by Alec Theriault at 2020-03-28T14:26:27-04:00

  Disallow links in section headers
  
  This is quite straightforward to implement, since we already had a
  function `docToHtmlNoAnchors` (which we used to generate the link in the
  sidebar "Contents").
  
  This breaks test `Bug387`, but that test case has aged badly: we now
  automatically generate anchors for all headings, so manually adding an
  anchor in a section makes no sense. Nested anchors are, as pointed out
  in haskell/haddock#1054, disallowed by the HTML standard.
  
  Fixes haskell/haddock#1054
  

• b461b0ed
  by Sylvain Henry at 2020-03-30T10:34:23+02:00

  Modules: type checker
  

• cd8cd1ee
  by Ben Gamari at 2020-03-31T12:45:02-04:00

  Merge pull request haskell/haddock#1152 from hsyl20/wip/hsyl20/modules/tc
  
  Module renaming

• 5e8f8ea7
  by Felix Yan at 2020-04-01T17:58:06-07:00

  Allow QuickCheck 2.14
  
  Builds fine and all tests pass.

• dc6b1633
  by Sylvain Henry at 2020-04-05T16:43:44+02:00

  Module renaming: amend previous patch
  

• eee2f4ae
  by Ryan Scott at 2020-04-05T09:04:43-07:00

  Fix haskell/haddock#1050 by filtering out invisible AppTy arguments
  
  This makes the `synifyType` case for `AppTy` more intelligent by
  taking into consideration the visibilities of each `AppTy` argument
  and filtering out any invisible arguments, as they aren't intended
  to be displayed in the source code. (See haskell/haddock#1050 for an example of what
  can happen if you fail to filter these out.)
  
  Along the way, I noticed that a special `synifyType` case for
  `AppTy t1 (CoercionTy {})` could be consolidated with the case below
  it, so I took the opportunity to tidy this up.
  

• 23eb99e8
  by Ben Gamari at 2020-04-07T11:19:58-04:00

  Merge pull request haskell/haddock#1154 from hsyl20/wip/hsyl20/modules/tc
  
  Module renaming: amend previous patch

• 072d994d
  by Ryan Scott at 2020-04-07T19:32:47-04:00

  Make NoExtCon fields strict
  
  These changes are a part of a fix for
  [GHC#17992](https://gitlab.haskell.org/ghc/ghc/issues/17992).
  

• d8ebf6c8
  by Ignat Insarov at 2020-04-09T21:15:01-04:00

  Recode Doc to Json. (#1159)
  
  * Recode Doc to Json.
  
  * More descriptive field labels.

• 52df4b4e
  by Sylvain Henry at 2020-04-10T12:39:18+02:00

  Module renaming
  

• d9ab8ec8
  by Cale Gibbard at 2020-04-14T11:43:34-04:00

  Add instance of XCollectPat for DocNameI
  

• 323d221d
  by Cale Gibbard at 2020-04-14T11:43:34-04:00

  Rename XCollectPat -> CollectPass
  

• 2df80867
  by Alec Theriault at 2020-04-15T07:30:51-07:00

  Prune docstrings that are never rendered
  
  When first creating a Haddock interface, trim `ifaceDocMap` and
  `ifaceArgMap` to not include docstrings that can never appear in the
  final output. Besides checking with GHC which names are exported, we
  also need to keep all the docs attached to instance declarations (it is
  much tougher to detect when an instance is fully private).
  
  This change means:
  
    * slightly smaller interface files (7% reduction on boot libs)
    * slightly less work to do processing docstrings that aren't used
    * no warnings in Haddock's output about private docstrings (see haskell/haddock#1070)
  
  I've tested manually that this does not affect any of the boot library
  generated docs (the only change in output was some small re-ordering in
  a handful of instance lists). This should mean no docstrings have been
  incorrectly dropped.
  

• f49c90cc
  by Alec Theriault at 2020-04-15T07:30:51-07:00

  Don't warn about missing links in miminal sigs
  
  When renaming the Haddock interface, never emit warnings when renaming a
  minimal signature. Also added some documention around `renameInterface`.
  
  Minimal signatures intentionally include references to potentially
  un-exported methods (see the discussion in haskell/haddock#330), so it is expected
  that they will not always have a link destination. On the principle
  that warnings should always be resolvable, this shouldn't produce a
  warning. See haskell/haddock#1070.
  

• a9eda64d
  by Ben Gamari at 2020-04-17T09:27:35-04:00

  Merge pull request haskell/haddock#1160 from hsyl20/wip/hsyl20/modules/systools
  
  Module renaming

• f40d7879
  by Cale Gibbard at 2020-04-20T11:30:38-04:00

  Merge remote-tracking branch 'origin/ghc-head' into wip/ttg-con-pat
  

• a50e7753
  by Ben Gamari at 2020-04-20T11:36:10-04:00

  Merge pull request haskell/haddock#1165 from obsidiansystems/wip/ttg-con-pat
  
  Trees that Grow refactor (GHC !2553)

• 6a24795c
  by Alec Theriault at 2020-04-21T08:06:45-07:00

  Fallback to `hiDecl` when `extractDecl` fails
  
  Sometimes, the declaration being exported is a subdecl (for instance, a
  record accessor getting exported at the top-level). For these cases,
  Haddock has to find a way to produce some synthetic sensible top-level
  declaration. This is done with `extractDecl`.
  
  As is shown by haskell/haddock#1067, this is sometimes impossible to do just at a
  syntactic level (for instance when the subdecl is re-exported). In these
  cases, the only sensible thing to do is to try to reify a declaration
  based on a GHC `TyThing` via `hiDecl`.
  

• eee1a8b7
  by Sylvain Henry at 2020-04-24T15:46:05+02:00

  Module structure
  

• 50b9259c
  by Iñaki at 2020-04-25T18:38:11-04:00

  Add support for custom section anchors (#1179)
  
  This allows to have stable anchors for groups, even if the set of
  groups in the documentation is altered.
  
  The syntax for setting the anchor of a group is
  
  -- * Group name #desiredAnchor#
  
  Which will produce an html anchor of the form '#g:desiredAnchor'
  
  Co-authored-by: Iñaki García Etxebarria <git@inaki.blueleaf.cc>

• 4003c97a
  by Ben Gamari at 2020-04-26T09:35:15-04:00

  Merge pull request haskell/haddock#1166 from hsyl20/wip/hsyl20/modules/utils
  
  Module structure

• 5206ab60
  by Sylvain Henry at 2020-04-27T16:47:39+02:00

  Renamed UnitInfo fields
  

• c32c333b
  by Sylvain Henry at 2020-04-27T17:32:58+02:00

  UnitId has been renamed into Unit
  

• 3e87db64
  by Sylvain Henry at 2020-04-27T17:36:00+02:00

  Fix for GHC.Unit.* modules
  

• ae3323a7
  by Ben Gamari at 2020-04-29T12:36:37-04:00

  Merge pull request haskell/haddock#1183 from hsyl20/wip/hsyl20/unitid
  
  Refactoring of Unit code

• b105564a
  by Artem Pelenitsyn at 2020-05-03T08:14:10+01:00

  add dependency on exceptions because GHC.Exception was boiled down (ghc haskell/haddock#18075)
  

• 9857eff3
  by Zubin Duggal at 2020-05-04T18:48:25+01:00

  Atomic update of NameCache in readHieFile
  

• 86bbb226
  by Sylvain Henry at 2020-05-14T16:36:27+02:00

  Fix after Config module renaming
  

• a4bbdbc2
  by Gert-Jan Bottu at 2020-05-15T22:09:44+02:00

  Explicit Specificity Support for Haddock
  

• 46199daf
  by Ben Gamari at 2020-05-19T09:59:56-04:00

  Merge pull request haskell/haddock#1192 from hsyl20/hsyl20/modules-config
  
  Fix after Config module renaming

• f9a9d2ba
  by Gert-Jan Bottu at 2020-05-20T16:48:38-04:00

  Explicit Specificity Support for Haddock
  

• 55c5b7ea
  by Ben Gamari at 2020-05-21T00:32:02-04:00

  Merge commit 'a8d7e66da4dcc3b242103271875261604be42d6e' into ghc-head
  

• a566557f
  by Cale Gibbard at 2020-05-21T16:02:06-04:00

  isBootSummary now produces a result of type IsBootInterface
  

• ea52f905
  by Zubin Duggal at 2020-05-24T17:55:48+01:00

  update for hiefile-typeclass-info
  

• 49ba7a67
  by Willem Van Onsem at 2020-05-25T12:23:01-04:00

  Use floor over round to calculate the percentage (#1195)
  
  If we compile documentation where only a small fraction is undocumented,
  it is misleading to see 100% coverage - 99% is more intuitive.
  
  Fixes haskell/haddock#1194

• c025ebf1
  by Ben Gamari at 2020-05-29T14:32:42-04:00

  Merge pull request haskell/haddock#1185 from obsidiansystems/boot-disambig
  
  isBootSummary now produces a result of type IsBootInterface

• 74ab9415
  by Ben Gamari at 2020-05-29T20:23:39-04:00

  haddock: Bounds bumps for GHC 8.12
  

• b40be944
  by Ben Gamari at 2020-06-03T17:02:31-04:00

  testsuite: Update expected output for simplified subsumption
  

• 624be71c
  by Ryan Scott at 2020-06-05T12:43:23-04:00

  Changes for GHC#18191
  
  See https://gitlab.haskell.org/ghc/ghc/-/merge_requests/3337.
  

• fbd8f7ce
  by Sylvain Henry at 2020-06-08T15:31:47+02:00

  Fix after unit refactoring
  

• 743fda4d
  by Ben Gamari at 2020-06-09T12:09:58-04:00

  Merge pull request haskell/haddock#1202 from hsyl20/wip/hsyl20/unitid-ii
  
  Fix after unit refactoring

• d07a06a9
  by Ryan Scott at 2020-06-13T07:16:55-04:00

  Use HsForAllTelescope (GHC#18235)
  

• 389bb60d
  by Ben Gamari at 2020-06-13T15:30:52-04:00

  haddock: Bounds bumps for GHC 8.12
  

• 7a377f5f
  by Ben Gamari at 2020-06-17T14:53:16-04:00

  Merge pull request haskell/haddock#1199 from bgamari/wip/ghc-8.12
  
  haddock: Bounds bumps for GHC 8.12

• 9fd9e586
  by Krzysztof Gogolewski at 2020-06-17T16:09:07-04:00

  Adapt Haddock to LinearTypes
  
  See ghc/ghc!852.
  

• 46fe7636
  by Ben Gamari at 2020-06-18T14:20:02-04:00

  Merge remote-tracking branch 'origin/ghc-head' into ghc-head
  

• 35a3c9e2
  by Zubin Duggal at 2020-06-21T21:19:18+05:30

  Use functions exported from HsToCore
  

• 8abe3928
  by Ben Gamari at 2020-06-24T13:53:39-04:00

  Merge pull request haskell/haddock#1204 from wz1000/wip/haddock-hstocore
  
  Use functions exported from GHC.HsToCore.Docs

• 22f2c937
  by Matthías Páll Gissurarson at 2020-06-26T19:07:03+02:00

  Adapt Haddock for QualifiedDo
  

• 3f6208d7
  by Vladislav Zavialov at 2020-06-28T14:28:16+03:00

  Handle LexicalNegation's ITprefixminus
  

• 03a19f41
  by Sylvain Henry at 2020-07-02T09:37:38+02:00

  Rename hsctarget into backend
  

• ea17ff23
  by Andreas Klebinger at 2020-07-02T17:44:18+02:00

  Update for UniqFM changes.
  

• 9872f2f3
  by Ben Gamari at 2020-07-09T10:39:19-04:00

  Merge pull request haskell/haddock#1209 from AndreasPK/wip/typed_uniqfm
  
  Update for UniqFM changes.

• 68f7b668
  by Krzysztof Gogolewski at 2020-07-12T18:16:57+02:00

  Sync with GHC removing {-# CORE #-} pragma
  
  See ghc ticket haskell/haddock#18048
  

• eb372681
  by Sylvain Henry at 2020-07-20T11:41:30+02:00

  Rename hscTarget into backend
  

• fb7f78bf
  by Ben Gamari at 2020-07-21T12:15:25-04:00

  Merge pull request haskell/haddock#1214 from hsyl20/wip/hsyl20/hadrian/ncg
  
  Rename hscTarget into backend

• 1e8f5b56
  by Ben Gamari at 2020-07-23T09:11:50-04:00

  Merge commit '904dce0cafe0a241dd3ef355775db47fc12f434d' into ghc-head
  

• d8fd1775
  by Zubin Duggal at 2020-07-23T18:46:40+05:30

  Update for modular ping pong
  

• 8416f872
  by Ben Gamari at 2020-07-23T09:35:03-04:00

  Merge pull request haskell/haddock#1200 from wz1000/wip/wz1000-modular-ping-pong
  
  Modular ping pong

• a24a8577
  by Ben Gamari at 2020-07-28T15:23:36-04:00

  Bump GHC version to 9.0
  

• 6a51c9dd
  by Sylvain Henry at 2020-08-05T18:47:05+02:00

  Fix after Outputable refactoring
  

• c05e1c99
  by Ben Gamari at 2020-08-10T14:41:41-04:00

  Merge pull request haskell/haddock#1223 from hsyl20/wip/hsyl20/dynflags/exception
  
  Fix after Outputable refactoring

• d964f15b
  by Sylvain Henry at 2020-08-12T11:58:49+02:00

  Fix after HomeUnit
  

• 8e6d5b23
  by Ben Gamari at 2020-08-12T14:25:30-04:00

  Merge pull request haskell/haddock#1225 from hsyl20/wip/hsyl20/plugins/homeunit
  
  Fix after HomeUnit

• 8c7880fe
  by Sylvain Henry at 2020-08-17T14:13:29+02:00

  Remove Ord FastString instance
  

• 8ea410db
  by Alex Biehl at 2020-08-19T10:56:32+02:00

  Another round of `npm audit fix` (#1228)
  
  This should shut down the warnings on Github. Note that the security issues
  seem to have been entirely in the build dependencies, since the output
  JS has not changed.
  
  Last NPM dependency audit happend in d576b2327e2bc117f912fe0a9d595e9ae62614e0
  
  Co-authored-by: Alex Biehl <alex.biehl@target.com>

• 7af6e2a8
  by Ben Gamari at 2020-08-31T13:59:34-04:00

  Merge pull request haskell/haddock#1226 from hsyl20/wip/hsyl20/fs_ord
  
  Remove Ord FastString instance

• ffbc8702
  by Alan Zimmerman at 2020-09-07T21:47:41+01:00

  Match GHC for haskell/haddock#18639, remove GENERATED pragma
  

• a93f1268
  by Alan Zimmerman at 2020-09-07T23:11:38+01:00

  Merge pull request haskell/haddock#1232 from haskell/wip/T18639-remove-generated-pragma,
  
  Match GHC for haskell/haddock#18639, remove GENERATED pragma

• 1f605d50
  by Ben Gamari at 2020-09-14T18:30:01-04:00

  Bump GHC version to 9.1
  

• 6599df62
  by Vladislav Zavialov at 2020-09-18T14:05:15+03:00

  Bump base upper bound to 4.16
  

• a01b3c43
  by Ben Gamari at 2020-09-22T15:41:48-04:00

  Update hypsrc-test for QuickLook
  
  This appears to be a spurious change.
  

• e9cc6cac
  by Vladislav Zavialov at 2020-09-26T21:00:12+03:00

  Updates for the new linear types syntax: a %p -> b
  

• 30e3ca7c
  by Sylvain Henry at 2020-09-29T11:18:32-04:00

  Update for parser (#1234)
  
  

• b172f3e3
  by Vladislav Zavialov at 2020-09-30T01:01:30+03:00

  Updates for the new linear types syntax: a %p -> b
  

• 0b9c08d3
  by Sylvain Henry at 2020-09-30T11:02:33+02:00

  Adapt to GHC parser changes
  

• b9540b7a
  by Sylvain Henry at 2020-10-12T09:13:38-04:00

  Don't pass the HomeUnitId (#1239)
  
  

• 34762e80
  by HaskellMouse at 2020-10-13T12:58:04+03:00

  Changed tests due to unification of `Nat` and `Natural`
  
  in the follwing merge request:
  https://gitlab.haskell.org/ghc/ghc/-/merge_requests/3583
  

• 256f86b6
  by Vladislav Zavialov at 2020-10-15T10:48:03+03:00

  Add whitespace in: map ($ v)
  

• 4a3f711b
  by Alan Zimmerman at 2020-10-19T08:57:27+01:00

  Match GHC, adding IsUnicodeSyntax field to HsFunTy and HsScaled
  

• 072cdd21
  by Alan Zimmerman at 2020-10-21T14:48:28-04:00

  Match GHC, adding IsUnicodeSyntax field to HsFunTy and HsScaled
  
  (cherry picked from commit a7d1d8e034d25612d5d08ed8fdbf6f472aded4a1)
  

• 9e09a445
  by Alan Zimmerman at 2020-10-21T23:53:34-04:00

  Match GHC, adding IsUnicodeSyntax field to HsFunTy and HsScaled
  
  (cherry picked from commit a7d1d8e034d25612d5d08ed8fdbf6f472aded4a1)
  

• 636d7de3
  by Sylvain Henry at 2020-10-26T14:31:54-04:00

  GHC.Driver.Types refactoring (#1242)
  
  

• a597f000
  by Ryan Scott at 2020-10-29T04:18:05-04:00

  Adapt to the removal of Hs{Boxed,Constraint}Tuple
  
  See ghc/ghc!4097 and GHC#18723.
  

• b96660fb
  by Ryan Scott at 2020-10-30T04:53:05-04:00

  Adapt to HsConDecl{H98,GADT}Details split
  
  Needed for GHC#18844.
  

• c287d82c
  by Ryan Scott at 2020-10-30T19:35:59-04:00

  Adapt to HsOuterTyVarBndrs
  
  These changes accompany ghc/ghc!4107, which aims to be a fix
  for haskell/haddock#16762.
  

• a34c31a1
  by Ryan Scott at 2020-11-13T13:38:34-05:00

  Adapt to splitPiTysInvisible being renamed to splitInvisPiTys
  
  This is a part of !4434, a fix for GHC#18939.
  

• 66ea459d
  by Sylvain Henry at 2020-11-16T10:59:30+01:00

  Fix after Plugins moved into HscEnv
  

• 508556d8
  by Ben Gamari at 2020-11-18T15:47:40-05:00

  Merge pull request haskell/haddock#1253 from hsyl20/wip/hsyl20/plugins/hscenv
  
  Fix after Plugins moved into HscEnv

• 620fec1a
  by Andreas Klebinger at 2020-11-24T20:51:59+01:00

  Update for changes in GHC's Pretty
  

• 01cc13ab
  by Richard Eisenberg at 2020-11-25T23:18:35-05:00

  Avoid GHC#18932.
  

• 8d29ba21
  by Cale Gibbard at 2020-11-25T23:18:35-05:00

  Add type arguments to PrefixCon
  

• 414d5f87
  by Sylvain Henry at 2020-11-30T17:06:04+01:00

  DynFlags's unit fields moved to HscEnv
  

• e356668c
  by Ben Gamari at 2020-11-30T11:11:37-05:00

  Merge pull request haskell/haddock#1258 from hsyl20/wip/hsyl20/hscenv/unitstate
  
  Unit fields moved from DynFlags to HscEnv

• 7cf552f1
  by Ben Gamari at 2020-12-03T10:31:27-05:00

  Merge pull request haskell/haddock#1257 from AndreasPK/wip/andreask/opt_dumps
  
  Update for changes in GHC's Pretty

• fc0871c3
  by Veronika Romashkina at 2020-12-08T16:35:33+01:00

  Fix docs links from Darcs to GitHub in intro (#1262)
  
  

• 7059e808
  by Veronika Romashkina at 2020-12-08T16:36:16+01:00

  Use gender neutral word in docs (#1260)
  
  

• 1b16e5ee
  by Maximilian Tagher at 2020-12-08T16:40:03+01:00

  Allow scrolling search results (#1235)
  
  Closes https://github.com/haskell/haddock/issues/1231

• 8a118c01
  by dependabot[bot] at 2020-12-08T16:40:25+01:00

  Bump bl from 1.2.2 to 1.2.3 in /haddock-api/resources/html (#1255)
  
  Bumps [bl](https://github.com/rvagg/bl) from 1.2.2 to 1.2.3.
  - [Release notes](https://github.com/rvagg/bl/releases)
  - [Commits](https://github.com/rvagg/bl/compare/v1.2.2...v1.2.3)
  
  Signed-off-by: dependabot[bot] <support@github.com>
  
  Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

• c89ff587
  by Xia Li-yao at 2020-12-08T16:42:17+01:00

  Allow more characters in anchor following module reference (#1220)
  
  

• 14af7d64
  by Xia Li-yao at 2020-12-08T16:43:05+01:00

  Add dangling changes from branches ghc-8.6 and ghc-8.8 (#1243)
  
  * Fix multiple typos and inconsistencies in doc/markup.rst
  
  Note: I noticed some overlap with haskell/haddock#1112 from @wygulmage and haskell/haddock#1081 from
  @parsonsmatt after creating these proposed changes - mea culpa for not
  looking at the open PRs sooner.
  
  * Fix haskell/haddock#1113 If no Signatures, no section of index.html
  
  * Change the formatting of missing link destinations
  
  The current formatting of the missing link destination does not really
  help user to understand the reasons of the missing link.
  
  To address this, I've changed the formatting in two ways:
  
  - the missing link symbol name is now fully qualified. This way you
  immediately know which haskell module cannot be linked. It is then easier
  to understand why this module does not have documentation (hidden module
  or broken documentation).
  - one line per missing link, that's more readable now that symbol name
  can be longer due to qualification.
  
  For example, before haddock was listing missing symbol such as:
  
  ```
  could not find link destinations for:
    Word8 Word16 mapMaybe
  ```
  
  Now it is listed as:
  
  ```
  could not find link destinations for:
    - Data.Word.Word8
    - Data.Word.Word16
    - Data.Maybe.mapMaybe
  ```
  
  * Add `--ignore-link-symbol` command line argument
  
  This argument can be used multiples time. A missing link to a symbol
  listed by `--ignore-link-symbol` won't trigger "missing link" warning.
  
  * Forbid spaces in anchors (#1148)
  
  * Improve error messages with context information (#1060)
  
  Co-authored-by: Matt Audesse <matt@mattaudesse.com>
  Co-authored-by: Mike Pilgrem <mpilgrem@users.noreply.github.com>
  Co-authored-by: Guillaume Bouchard <guillaume.bouchard@tweag.io>
  Co-authored-by: Pepe Iborra <pepeiborra@gmail.com>

• 89e3af13
  by tomjaguarpaw at 2020-12-08T18:00:04+01:00

  Enable two warnings (#1245)
  
  because they will be soon be added to -Wall.
  
  See https://gitlab.haskell.org/ghc/ghc/-/issues/15656

• c3320f8d
  by Willem Van Onsem at 2020-12-08T18:26:55+01:00

  simplify calculating percentages fixing haskell/haddock#1194 (#1236)
  
  

• 685df308
  by Alex Biehl at 2020-12-08T20:06:26+01:00

  Changes for GHC#17566
  
  See https://gitlab.haskell.org/ghc/ghc/merge_requests/2469
  

• be3ec3c0
  by Alex Biehl at 2020-12-08T20:06:26+01:00

  Import intercalate
  

• 32c33912
  by Matthías Páll Gissurarson at 2020-12-08T21:15:30+01:00

  Adapt Haddock for QualifiedDo
  

• 31696088
  by Alex Biehl at 2020-12-08T22:06:02+01:00

  Fix haddock-library tests
  

• fbc0998a
  by Alex Biehl at 2020-12-08T23:08:23+01:00

  Move to GitHub CI (#1266)
  
  * Initial version of ci.yml
  
  This is a straight copy from Dmitrii Kovanikov's blog post
  at https://kodimensional.dev/github-actions.
  
  Will adapt to haddock in successive commits.
  
  * Delete .travis.yml
  
  * Modify to only test on ghc-8.10.{1,2}
  
  * Use actions/setup-haskell@v1.1.4
  
  * Relax QuickCheck bound on haddock-api
  
  * Remove stack matrix for now
  
  * Nail down to ghc-8.10 branch for now
  
  * Pin index state to 2020-12-08T20:13:44Z for now
  
  * Disable macOS and Windows tests for now for speed up

• 5b946b9a
  by tomjaguarpaw at 2020-12-10T19:01:41+01:00

  Enable two warnings (#1245) (#1268)
  
  because they will be soon be added to -Wall.
  
  See https://gitlab.haskell.org/ghc/ghc/-/issues/15656

• bc5a408f
  by dependabot[bot] at 2020-12-10T19:02:16+01:00

  Bump ini from 1.3.5 to 1.3.7 in /haddock-api/resources/html (#1269)
  
  Bumps [ini](https://github.com/isaacs/ini) from 1.3.5 to 1.3.7.
  - [Release notes](https://github.com/isaacs/ini/releases)
  - [Commits](https://github.com/isaacs/ini/compare/v1.3.5...v1.3.7)
  
  Signed-off-by: dependabot[bot] <support@github.com>
  
  Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

• d02995f1
  by Andrew Martin at 2020-12-14T16:48:40-05:00

  Update for boxed rep
  

• a381aeff
  by Ben Gamari at 2020-12-15T15:13:30-05:00

  Revert "Enable two warnings (#1245) (#1268)"
  
  As this does not build on GHC `master`.
  
  This reverts commit 7936692badfe38f23ae95b51fb7bd7c2ff7e9bce.
  

• a63c0a9e
  by Ben Gamari at 2020-12-15T15:17:59-05:00

  Revert "Update for boxed rep"
  
  This reverts commit 4ffb30d8b637ccebecc81ce610f0af451ac8088d.
  

• 53bfbb29
  by Ben Gamari at 2020-12-15T15:37:24-05:00

  Merge remote-tracking branch 'upstream/ghc-head' into ghc-head
  

• bae76a30
  by Ben Gamari at 2020-12-16T02:44:42+00:00

  Update output for nullary TyConApp optimisation (ghc/ghc!2952)
  

• 4b733b57
  by Krzysztof Gogolewski at 2020-12-16T20:03:14+01:00

  Display linear/multiplicity arrows correctly (#1238)
  
  Previously we were ignoring multiplicity and displayed
  a %1 -> b as a -> b.

• ee463bd3
  by Ryan Scott at 2020-12-16T16:55:23-05:00

  Adapt to HsCoreTy (formerly NewHsTypeX) becoming a type synonym
  
  Needed for !4417, the fix for GHC#15706 and GHC#18914.
  

• ed0b02f8
  by tomjaguarpaw at 2020-12-19T10:17:19+00:00

  Enable two warnings (#1245) (#1268)
  
  because they will be soon be added to -Wall.
  
  See https://gitlab.haskell.org/ghc/ghc/-/issues/15656
  

• d80bf8f5
  by Sylvain Henry at 2020-12-21T10:09:25+01:00

  Fix after binder collect changes
  

• bf4c9d32
  by Adam Gundry at 2020-12-23T21:35:01+00:00

  Adapt to changes to GlobalRdrElt and AvailInfo
  
  Needed for ghc/ghc!4467
  

• 37736c4c
  by John Ericson at 2020-12-28T12:27:02-05:00

  Support a new ghc --make node type for parallel backpack upsweep
  

• 717bdeac
  by Vladislav Zavialov at 2020-12-29T10:50:02+03:00

  Inline and fix getGADTConTypeG
  
  The getGADTConTypeG used HsRecTy, which is at odds with GHC issue haskell/haddock#18782.
  
  I noticed that getGADTConTypeG was only used in the Hoogle backend.
  Interestingly, when handling H98 constructors, Hoogle converts RecCon to
  PrefixCon (see Haddock.Backends.Hoogle.ppCtor).
  
  So I changed getGADTConTypeG to handle RecConGADT in the same manner as
  PrefixConGADT, and after this simplification moved it into the 'where'
  clause of ppCtor, to the only place where it is used.
  
  The practical effect of this change is as follows.
  Consider this example:
  	data TestH98 = T98 { bar::Int }
  	data TestGADT where
  	  TG :: { foo :: Int } -> TestGADT
  
  Before this patch,  haddock --hoogle  used to produce:
  	T98 :: Int -> TestH98
  	[TG] :: {foo :: Int} -> TestGADT
  
  Notice how the record syntax was discarded in T98 but not TG.
  With this patch, we always produce signatures without record syntax:
  	T98 :: Int -> TestH98
  	[TG] :: Int -> TestGADT
  
  I suspect this might also be a bugfix, as currently Hoogle doesn't seem
  to render GADT record constructors properly.
  

• cb1b8c56
  by Andreas Abel at 2020-12-30T21:12:37+01:00

  Build instructions: haddock-library and -api first!
  

• b947f6ad
  by Ben Gamari at 2020-12-31T13:04:19-05:00

  Merge pull request haskell/haddock#1281 from obsidiansystems/wip/backpack-j
  
  Changes to support -j with backpack

• 120e1cfd
  by Hécate Moonlight at 2021-01-04T19:54:58+01:00

  Merge pull request haskell/haddock#1282 from andreasabel/master
  
  Build instructions: haddock-library and -api first!

• fd45e41a
  by Ben Gamari at 2021-01-05T16:14:31-05:00

  Merge remote-tracking branch 'origin/ghc-8.10' into ghc-9.0
  

• b471bdec
  by Ben Gamari at 2021-01-05T16:23:02-05:00

  Merge commit '1e56f63c3197e7ca1c1e506e083c2bad25d08793' into ghc-9.0
  

• 81cdbc41
  by Alex Biehl at 2021-01-09T12:14:41+01:00

  Prepare Haddock for being a GHC Plugin
  

• b646d952
  by Alex Biehl at 2021-01-09T12:14:41+01:00

  Make Haddock a GHC Plugin
  

• cc044674
  by Alex Biehl at 2021-01-09T12:14:41+01:00

  Add -j[n] CLI param to Haddock executable
  
  It translates to `--ghcopt=-j[n]`
  

• 84a04073
  by Alex Biehl at 2021-01-09T12:14:41+01:00

  Abstract Monad for interface creation
  
  I found that when running as a plugin the lookupName function (which
  runs in Ghc monad) does not work correctly from the
  typeCheckResultAction hook.
  
  Instead, we abstracted the monad used when creating interfaces, so
  that access to GHC session specific parts is explicit and so that the
  TcM can provide their (correct) implementation of lookupName.
  

• 5be2c4f7
  by Alex Biehl at 2021-01-09T12:14:41+01:00

  Accept tests
  

• 8cefee9d
  by Alex Biehl at 2021-01-09T16:10:47+01:00

  Add missing dependency for mtl
  

• 3681f919
  by Ben Gamari at 2021-01-13T18:39:25-05:00

  Merge remote-tracking branch 'origin/ghc-9.0' into ghc-head
  

• 33c6b152
  by Hécate Moonlight at 2021-01-14T16:04:20+01:00

  Merge pull request haskell/haddock#1273 from hsyl20/wip/hsyl20/arrows
  
  Fix after binder collect changes

• 70d13e8e
  by Joachim Breitner at 2021-01-22T19:03:45+01:00

  Make haddock more robust to changes to the `Language` data type
  
  With the introduction of GHC2021, the `Languages` data type in GHC will
  grow. In preparation of that (and to avoid changing haddock with each
  new language), this change makes the code handle extensions to that data
  type gracefully.
  
  (cherry picked from commit c341dd7c9c3fc5ebc83a2d577c5a726f3eb152a5)
  

• 7d6dd57a
  by John Ericson at 2021-01-22T22:02:02+00:00

  Add `NoGhcTc` instance now that it's not closed
  

• e5fdaf0a
  by Alan Zimmerman at 2021-01-23T22:57:44+00:00

  Merge pull request haskell/haddock#1293 from obsidiansystems/wip/fix-18936
  
  Add `NoGhcTc` instance now that it's not closed

• 989a1e05
  by Oleg Grenrus at 2021-01-24T16:11:46+03:00

  Add import list to Data.List
  

• 368e144a
  by Ben Gamari at 2021-01-28T22:15:48+01:00

  Adapt to "Make PatSyn immutable"
  

• abe66c21
  by Alfredo Di Napoli at 2021-02-01T08:05:35+01:00

  Rename pprLogErrMsg to new name
  

• e600e75c
  by Hécate Moonlight at 2021-02-05T14:53:00+01:00

  Move CI to ghc-9.0
  

• dd492961
  by Vladislav Zavialov at 2021-02-05T14:53:00+01:00

  Update cabal.project and README build instructions
  

• 31bd292a
  by Hécate Moonlight at 2021-02-05T15:03:56+01:00

  Merge pull request haskell/haddock#1296 from Kleidukos/ghc-9.0
  
  Merge the late additions to ghc-8.10 into ghc-9.0

• 6388989e
  by Vladislav Zavialov at 2021-02-05T17:41:57+03:00

  Cleanup: fix build warnings
  

• f99407ef
  by Daniel Rogozin at 2021-02-05T18:11:48+03:00

  type level characters support for haddock (required for haskell/haddock#11342)
  

• d8c6b26f
  by Hécate Moonlight at 2021-02-05T17:44:50+01:00

  Add a CONTRIBUTING.md file
  

• 6a01ad98
  by Hécate Moonlight at 2021-02-05T17:58:16+01:00

  Merge pull request haskell/haddock#1312 from Kleidukos/proper-branch-etiquette
  
  Add a CONTRIBUTING.md file

• 955eecc4
  by Vladislav Zavialov at 2021-02-05T20:29:00+03:00

  Merge commit 'a917dfd29f3103b69378138477514cbfa38558a9' into ghc-head
  

• 47b3d6ab
  by Hécate Moonlight at 2021-02-05T19:09:38+01:00

  Amend the CONTRIBUTING.md file
  

• 23de6137
  by Hécate Moonlight at 2021-02-05T19:16:49+01:00

  Merge pull request haskell/haddock#1313 from Kleidukos/amend-contributing
  
  Amend the CONTRIBUTING.md file

• 69026b59
  by Krzysztof Gogolewski at 2021-02-05T23:05:56+01:00

  Display linear/multiplicity arrows correctly (#1238)
  
  Previously we were ignoring multiplicity and displayed
  a %1 -> b as a -> b.
  
  (cherry picked from commit b4b4d896d2d68d6c48e7db7bfe95c185ca0709cb)
  

• ea026b78
  by Oleg Grenrus at 2021-02-06T17:14:45+01:00

  Add import list to Data.List
  

• 5204326f
  by Hécate Moonlight at 2021-02-06T17:15:44+01:00

  Merge pull request haskell/haddock#1316 from Kleidukos/explicit-imports-to-data-list
  
  Add import list to Data.List

• 1f4d2136
  by Ben Gamari at 2021-02-06T11:53:31-05:00

  Merge remote-tracking branch 'origin/ghc-head' into wip/ghc-head-merge
  

• 13f0d09a
  by Ben Gamari at 2021-02-06T11:53:45-05:00

  Fix partial record selector warning
  

• 5c115f7e
  by Ben Gamari at 2021-02-06T11:55:52-05:00

  Merge commit 'a917dfd29f3103b69378138477514cbfa38558a9' into wip/ghc-head-merge
  

• b6fd8b75
  by Ben Gamari at 2021-02-06T12:01:31-05:00

  Merge commit '41964cb2fd54b5a10f8c0f28147015b7d5ad2c02' into wip/ghc-head-merge
  

• a967194c
  by Ben Gamari at 2021-02-06T18:30:35-05:00

  Merge branch 'wip/ghc-head-merge' into ghc-head
  

• 1f4c3a91
  by MorrowM at 2021-02-07T01:52:33+02:00

  Fix search div not scrolling
  

• 684b1287
  by Iñaki García Etxebarria at 2021-02-07T16:13:04+01:00

  Add support for labeled module references
  
  Support a markdown-style way of annotating module references. For instance
  
  -- | [label]("Module.Name#anchor")
  
  will create a link that points to the same place as the module
  reference "Module.Name#anchor" but the text displayed on the link will
  be "label".
  

• bdb55a5d
  by Hécate Moonlight at 2021-02-07T16:18:10+01:00

  Merge pull request haskell/haddock#1319 from alexbiehl/alex/compat
  
  Backward compat: Add support for labeled module references

• 6ca70991
  by Hécate Moonlight at 2021-02-07T16:21:29+01:00

  Merge pull request haskell/haddock#1314 from tweag/show-linear-backport
  
  Backport haskell/haddock#1238 (linear types) to ghc-9.0

• d9d73298
  by Alex Biehl at 2021-02-07T17:46:25+01:00

  Remove dubious parseModLink
  
  Instead construct the ModLink value directly when parsing.
  

• 33b4d020
  by Hécate Moonlight at 2021-02-07T17:52:05+01:00

  Merge pull request haskell/haddock#1320 from haskell/alex/fix
  
  Remove dubious parseModLink

• 54211316
  by Hécate Moonlight at 2021-02-07T18:12:07+01:00

  Merge pull request haskell/haddock#1318 from MorrowM/ghc-9.0
  
  Fix search div not scrolling

• 19db679e
  by alexbiehl-gc at 2021-02-07T18:14:46+01:00

  Merge pull request haskell/haddock#1317 from bgamari/wip/ghc-head-merge
  
  Merge ghc-8.10 into ghc-head

• 6bc1e9e4
  by Willem Van Onsem at 2021-02-07T18:25:30+01:00

  simplify calculating percentages fixing haskell/haddock#1194 (#1236)
  

• c8537cf8
  by alexbiehl-gc at 2021-02-07T18:30:40+01:00

  Merge pull request haskell/haddock#1322 from haskell/alex/forward-port
  
  simplify calculating percentages fixing haskell/haddock#1194 (#1236)

• 2d47ae4e
  by alexbiehl-gc at 2021-02-07T18:39:59+01:00

  Merge branch 'ghc-head' into ghc-9.0

• 849e4733
  by Hécate Moonlight at 2021-02-07T18:43:19+01:00

  Merge pull request haskell/haddock#1321 from Kleidukos/ghc-9.0
  
  Merge ghc-9.0 into ghc-head

• ee6095d7
  by Sylvain Henry at 2021-02-08T11:36:38+01:00

  Update for Logger
  

• 4ad688c9
  by Alex Biehl at 2021-02-08T18:11:24+01:00

  Merge pull request haskell/haddock#1310 from hsyl20/wip/hsyl20/logger2
  
  Logger refactoring

• 922a9e0e
  by Ben Gamari at 2021-02-08T12:54:33-05:00

  Merge remote-tracking branch 'upstream/ghc-head' into ghc-head
  

• 991649d2
  by Sylvain Henry at 2021-02-09T10:55:17+01:00

  Fix to build with HEAD
  

• a8348dc2
  by Hécate Moonlight at 2021-02-09T10:58:51+01:00

  Merge pull request haskell/haddock#1327 from hsyl20/wip/hsyl20/logger2
  
  Fix to build with HEAD

• 0abdbca6
  by Fendor at 2021-02-09T20:06:15+01:00

  Add UnitId to Target record
  

• d5790a0e
  by Alex Biehl at 2021-02-11T10:32:32+01:00

  Stable sort for (data/newtype) instances
  

• 8e6036f5
  by Alex Biehl at 2021-02-11T10:32:32+01:00

  Also make TyLit deterministic
  

• f76d2945
  by Hécate Moonlight at 2021-02-11T11:00:31+01:00

  Merge pull request haskell/haddock#1329 from hsyl20/hsyl20/stabe_iface
  
  Stable sort for instances

• 5e0469ea
  by Oleg Grenrus at 2021-02-14T15:28:15+02:00

  Add import list to Data.List in Haddock.Interface.Create
  

• fa57cd24
  by Hécate Moonlight at 2021-02-14T17:19:27+01:00

  Merge pull request haskell/haddock#1331 from phadej/more-explicit-data-list-imports
  
  Add import list to Data.List in Haddock.Interface.Create

• f0cd629c
  by Hécate Moonlight at 2021-02-21T00:22:01+01:00

  Merge pull request haskell/haddock#1311 from fendor/wip/add-targetUnitId-to-target
  
  Add UnitId to Target record

• 674ef723
  by Joachim Breitner at 2021-02-22T10:39:18+01:00

  html-test: Always set language
  
  from ghc-9.2 on, the “default” langauge of GHC is expected to change
  more wildly. To prepare for that (and unblock
  https://gitlab.haskell.org/ghc/ghc/-/merge_requests/4853), this sets the
  language for all the test files to `Haskell2010`. This should insolate
  this test suite against changes to the default.
  
  Cherry-picked from https://github.com/haskell/haddock/pull/1341
  

• f072d623
  by Hécate Moonlight at 2021-02-22T10:56:51+01:00

  Merge pull request haskell/haddock#1342 from nomeata/joachim/haskell2010-in-tests-ghc-head
  
  html-test: Always set language

• caebbfca
  by Hécate Moonlight at 2021-02-22T11:53:07+01:00

  Clean-up of Interface and Interface.Create's imports and pragmata
  

• f6caa89d
  by Hécate Moonlight at 2021-02-22T11:54:58+01:00

  Merge pull request haskell/haddock#1345 from Kleidukos/head/fix-interface-imports
  
  [ghc-head] Clean-up of Interface and Interface.Create's imports and pragmata 

• 7395c9cb
  by Hécate Moonlight at 2021-02-22T18:44:57+01:00

  Explicit imports for Haddock.Interface and Haddock.Interface.Create
  

• 6e9fb5d5
  by Hécate Moonlight at 2021-02-22T18:45:28+01:00

  Merge pull request haskell/haddock#1348 from Kleidukos/head/explicit-imports-interface
  
  Explicit imports for Haddock.Interface and Haddock.Interface.Create

• 9198b118
  by Alan Zimmerman at 2021-02-22T20:04:24+00:00

  Context becomes a Maybe in the GHC AST
  
  This prevents noLoc's appearing in the ParsedSource.
  
  Match the change in GHC.
  

• 0af20f64
  by Hécate Moonlight at 2021-02-23T12:36:12+01:00

  Fix the call-site of guessTarget in Interface.hs
  
  Explicit the imports from GHC.HsToCore.Docs
  

• b7886885
  by Hécate Moonlight at 2021-02-23T12:37:54+01:00

  Merge pull request haskell/haddock#1349 from Kleidukos/fix-interface-guesstarget-call
  
  Fix the call-site of guessTarget in Interface.hs

• 9cf041ba
  by Sylvain Henry at 2021-02-24T11:08:20+01:00

  Fix haddockHypsrcTest output in ghc-head
  

• b194182a
  by Hécate Moonlight at 2021-02-24T11:12:36+01:00

  Merge pull request haskell/haddock#1351 from hsyl20/wip/hsyl20/fix-head
  
  Fix haddockHypsrcTest output in ghc-head

• 3ce8b375
  by Shayne Fletcher at 2021-03-06T09:55:03-05:00

  Add ITproj to parser
  

• d2abf762
  by Ben Gamari at 2021-03-06T19:26:49-05:00

  Merge remote-tracking branch 'origin/ghc-head' into HEAD
  

• a0f6047d
  by Andrew Martin at 2021-03-07T11:25:23-05:00

  Update for boxed rep
  

• 6f63c99e
  by Ben Gamari at 2021-03-10T13:20:21-05:00

  Update for "FastString: Use FastMutInt instead of IORef Int"
  

• e13f01df
  by Luke Lau at 2021-03-10T15:38:40-05:00

  Implement template-haskell's putDoc
  
  This catches up to GHC using the new extractTHDocs function, which
  returns documentation added via the putDoc function (provided it was
  compiled with Opt_Haddock). Since it's already a map from names -> docs,
  there's no need to do traversal etc.
  It also matches the change from the argument map being made an IntMap
  rather than a Map Int
  

• 89263d94
  by Alan Zimmerman at 2021-03-15T17:15:26+00:00

  Match changes in GHC AST for in-tree API Annotations
  
  As landed via https://gitlab.haskell.org/ghc/ghc/-/merge_requests/2418
  

• 28db1934
  by Alan Zimmerman at 2021-03-15T20:40:09+00:00

  Change some type family test results.
  
  It is not clear to me whether the original was printing
  incorrectly (since we did not have the TopLevel flag before now), or
  if this behaviour is expected.
  
  For the time being I am assuming the former.
  

• 7c11c989
  by Sylvain Henry at 2021-03-22T10:05:19+01:00

  Fix after NameCache changes
  

• addbde15
  by Sylvain Henry at 2021-03-22T10:05:19+01:00

  NameCache doesn't store a UniqSupply anymore
  

• 15ec6cec
  by Ben Gamari at 2021-03-22T17:53:44-04:00

  Bump GHC version to 9.2
  

• dbd6aa63
  by Hécate Moonlight at 2021-03-24T14:28:36+01:00

  Merge pull request haskell/haddock#1365 from hsyl20/wip/hsyl20/iface1
  
  NameCache refactoring

• 2d32da7e
  by Oleg Grenrus at 2021-03-27T01:12:00+02:00

  Specialization of Data.List
  

• 32b84fa6
  by Fendor at 2021-03-27T10:50:17+01:00

  Add UnitId to Target record
  
  This way we always know to which home-unit a given target belongs to.
  So far, there only exists a single home-unit at a time, but it
  enables having multiple home-units at the same time.
  

• 54bf9f0e
  by Hécate Moonlight at 2021-03-28T14:08:35+02:00

  Merge pull request haskell/haddock#1368 from fendor/target-unit-id-revert
  
  Add UnitId to Target record

• 7dea168a
  by Alan Zimmerman at 2021-03-29T08:45:52+01:00

  EPA : Rename ApiAnn to EpAnn
  

• 72967f65
  by Alfredo Di Napoli at 2021-03-29T09:47:01+02:00

  pprError changed name in GHC
  

• 4bc61035
  by Alan Zimmerman at 2021-03-29T16:16:27-04:00

  EPA : Rename ApiAnn to EpAnn
  

• 108d031d
  by Ben Gamari at 2021-03-29T18:49:36-04:00

  Merge commit '36418c4f70d7d2b179a77925b3ad5caedb08c9b5' into HEAD
  

• 1444f700
  by Ben Gamari at 2021-03-31T09:18:39-04:00

  Merge pull request haskell/haddock#1370 from adinapoli/wip/adinapoli-diag-reason-severity
  
  Rename pprError to mkParserErr

• d3087b79
  by Ben Gamari at 2021-03-31T11:34:17-04:00

  Merge commit 'd8d8024ad6796549a8d3b5512dabf3288d14e30f' into ghc-head
  

• 170b79e9
  by Ben Gamari at 2021-03-31T12:24:56-04:00

  Merge remote-tracking branch 'upstream/ghc-head' into ghc-head
  

• db0d6bae
  by Ben Gamari at 2021-04-10T09:34:35-04:00

  Bump GHC version to 9.3
  

• a9f2c421
  by Alan Zimmerman at 2021-04-19T18:26:46-04:00

  Update for EPA changes in GHC
  
  (cherry picked from commit cafb48118f7c111020663776845897e225607b41)
  

• 1ee4b7c7
  by Sylvain Henry at 2021-05-11T10:00:06+02:00

  Removal of HsVersions.h (#1388)
  
  * Update for EPA changes in GHC
  
  * Account for HsVersions.h removal
  
  Co-authored-by: Alan Zimmerman <alan.zimm@gmail.com>

• 79e819e9
  by Hécate Moonlight at 2021-05-11T10:14:47+02:00

  Revert "Removal of HsVersions.h (#1388)"
  
  This reverts commit 72118896464f94d81f10c52f5d9261efcacc57a6.
  

• 3dbd3f8b
  by Alan Zimmerman at 2021-05-11T10:15:17+02:00

  Update for EPA changes in GHC
  

• 2ce80c17
  by Sylvain Henry at 2021-05-11T10:15:19+02:00

  Account for HsVersions.h removal
  

• 00e4c918
  by Christiaan Baaij at 2021-05-13T08:21:56+02:00

  Add Haddock support for the OPAQUE pragma (#1380)
  
  

• 8f9049b2
  by Hécate Moonlight at 2021-05-13T08:40:22+02:00

  fixup! Use GHC 9.2 in CI runner
  

• 27ddec38
  by Alan Zimmerman at 2021-05-13T22:51:20+01:00

  EPA: match changes from GHC T19834
  

• f8a1d714
  by Felix Yan at 2021-05-14T17:10:04+02:00

  Allow hspec 2.8 (#1389)
  
  All tests are passing.

• df44453b
  by Divam Narula at 2021-05-20T15:42:42+02:00

  Update ref, the variables got renamed. (#1391)
  
  This is due to ghc/ghc!5555 which caused a change in ModDetails in case of
  NoBackend. Now the initModDetails is used to recreate the ModDetails from
  interface and in-memory ModDetails is not used.

• e46bfc87
  by Alan Zimmerman at 2021-05-20T19:05:09+01:00

  Remove Maybe from HsQualTy
  
  Match changes in GHC for haskell/haddock#19845
  

• 79bd7b62
  by Shayne Fletcher at 2021-05-22T08:20:39+10:00

  FieldOcc: rename extFieldOcc to foExt
  

• 6ed68c74
  by Ben Gamari at 2021-05-21T22:29:30-04:00

  Merge commit '3b6a8774bdb543dad59b2618458b07feab8a55e9' into ghc-head
  

• f9a02d34
  by Alfredo Di Napoli at 2021-05-24T13:53:00+02:00

  New Parser diagnostics interface
  

• 392807d0
  by Ben Gamari at 2021-05-24T09:57:40-04:00

  Merge pull request haskell/haddock#1394 from adinapoli/wip/adinapoli-align-ps-messages
  
  Align Haddock to use the new Parser diagnostics interface

• 33023cd8
  by Ben Gamari at 2021-05-24T11:19:16-04:00

  Revert "Add Haddock support for the OPAQUE pragma (#1380)"
  
  This reverts commit a1337c599ef7720b0482a25c55f11794112496dc.
  
  The GHC patch associated with this change is not yet ready to be merged.
  

• 8c005af7
  by Ben Simms at 2021-05-28T07:56:20+02:00

  CI configuration for ghc-head (#1395)
  
  

• 1e947612
  by Hécate Moonlight at 2021-05-28T12:27:35+02:00

  Use GHC 9.2 in CI runner (#1378)
  
  

• e6fa10ab
  by CGenie at 2021-05-31T09:02:13+02:00

  Add page about common errors (#1396)
  
  * Update index.rst
  
  Common errors page
  
  * Create common-errors.rst
  
  * Update common-errors.rst
  
  * Use GHC 9.2 in CI runner (#1378)
  
  * [haddock-api] remove .hspec-failures
  
  Co-authored-by: Hécate Moonlight <Kleidukos@users.noreply.github.com>

• abc72a8d
  by Sylvain Henry at 2021-06-01T10:02:06+02:00

  Adapt Haddock to Logger and Parser changes (#1399)
  
  

• 91373656
  by Zubin Duggal at 2021-06-01T20:45:10+02:00

  Update haddockHypSrc tests since we now compute slighly more type info (#1397)
  
  

• ed712822
  by Marcin Szamotulski at 2021-06-02T08:54:33+02:00

  Added myself to contributors
  

• 49fdbcb7
  by Marcin Szamotulski at 2021-06-02T08:57:24+02:00

  Document multi component support
  

• 9ddc8d7d
  by Hécate Moonlight at 2021-06-02T09:35:55+02:00

  Merge pull request haskell/haddock#1379 from coot/coot/document-multi-component-support
  
  Document multi component support

• 585b5c5e
  by Ben Simms at 2021-06-02T19:46:54+02:00

  Update CONTRIBUTING.md (#1402)
  
  

• 1df4a605
  by Ben Simms at 2021-06-02T19:47:14+02:00

  Update CONTRIBUTING.md (#1403)
  
  

• 58ea43d2
  by sheaf at 2021-06-02T22:09:06+02:00

  Update Haddock Bug873 to account for renaming
  

• c5d0ab23
  by Vladislav Zavialov at 2021-06-10T13:35:42+03:00

  HsToken in FunTy, RecConGADT
  

• 1ae2f40c
  by Hécate Moonlight at 2021-06-11T11:19:09+02:00

  Update the CI badges

• 6fdc4de2
  by Sylvain Henry at 2021-06-28T19:21:17+02:00

  Fix mkParserOpts (#1411)
  
  

• 18201670
  by Alfredo Di Napoli at 2021-07-05T07:55:12+02:00

  Rename getErrorMessages Lexer import
  
  This commit renames the Lexer import in `Hyperlinker.Parser` from
  `getErrorMessages` to `getPsErrorMessages` to eliminate the ambiguity
  with the `getErrorMessages` function defined in `GHC.Types.Error`.
  

• 23173ca3
  by Ben Gamari at 2021-07-07T11:31:44-04:00

  Merge pull request haskell/haddock#1413 from adinapoli/wip/adinapoli-issue-19920
  
  Rename getErrorMessages Lexer import

• b3dc4ed8
  by Alan Zimmerman at 2021-07-28T22:30:59+01:00

  EPA: match changes from GHC T19834
  
  (cherry picked from commit 2fec1b44e0ee7e263286709aa528b4ecb99ac6c2)
  

• 5f177278
  by Ben Gamari at 2021-08-06T01:17:37-04:00

  Merge commit '2a966c8ca37' into HEAD
  

• cdd81d08
  by Marcin Szamotulski at 2021-08-08T17:19:06+02:00

  coot/multiple packages (ghc-9.2) (#1418)
  
  

• be0d71f1
  by Marcin Szamotulski at 2021-08-16T08:46:03+02:00

  coot/multiple package (ghc-head) (#1419)
  
  * FromJSON class
  
  Aeson style FromJSON class with Parsec based json parser.
  
  * doc-index.json file for multiple packages
  
  When creating haddock summary page for multiple packages render
  doc-index.json file using contents of all found 'doc-index.json' files.
  
  * Render doc-index.json
  
  When rendering html, render doc-index.json file independently of
  maybe_index_url option.  doc-index.json file is useful now even if
  maybe_index_url is not `Nothing`.
  
  * base url option
  
  New `Flag_BaseURL` which configures from where static files are loaded
  (--base-url).  If given and not equal "." static files are not coppied,
  as this indicates that they are not read from the the directory where
  we'd copy them.  The default value is ".".

• 3b09dbdf
  by Hécate Moonlight at 2021-10-07T23:26:03+02:00

  Update GHC 9.2 to latest pre-release in CI
  

• 7ac55417
  by Zubin Duggal at 2021-10-11T12:10:19+02:00

  Enable Haddock tests in GHC windows CI (#1428)
  
  * testsuite: strip windows line endings for haddock
  
  * hyperlinker: Work around double escaping (#19236)
  
  * deterministic SCC

• 1cb81f25
  by Andrew Lelechenko at 2021-10-12T15:23:19+02:00

  haddock-library does not depend on bytestring or transformers (#1426)
  
  

• a890b9aa
  by sheaf at 2021-10-15T22:19:42+02:00

  update haddockHypsrcTest for GHC MR !6705 (#1430)
  
  

• 42a55c6c
  by Sylvain Henry at 2021-10-15T22:20:10+02:00

  Fix after PkgQual refactoring (#1429)
  
  

• 91659238
  by Alan Zimmerman at 2021-10-28T18:57:10+01:00

  Update for changes in GHC for branch
  
  wip/az/no-srcspan-anno-instances
  

• acf23e60
  by Vladislav Zavialov at 2021-11-05T02:09:47+03:00

  Do not use forall as an identifier
  
  See GHC ticket haskell/haddock#20609
  

• c565db0e
  by Krzysztof Gogolewski at 2021-11-27T02:42:35+01:00

  Update after NoExtCon -> DataConCantHappen rename
  

• b5f55590
  by Artem Pelenitsyn at 2021-11-27T11:14:17+01:00

  fix CI for 9.2 (#1436)
  
  

• 25cd621e
  by Matthew Pickering at 2021-12-02T11:46:54+00:00

  Update html-test for Data.List revert
  

• 1d5ff85f
  by malteneuss at 2021-12-15T07:56:55+01:00

  Add hint about inline link issue (#1444)
  
  

• 791fde81
  by Sylvain Henry at 2021-12-16T09:29:51+01:00

  Bump ghc-head (#1445)
  
  * Update after NoExtCon -> DataConCantHappen rename
  
  * Update html-test for Data.List revert
  
  * Fix for new Plugins datatype
  
  Co-authored-by: Krzysztof Gogolewski <krzysztof.gogolewski@tweag.io>
  Co-authored-by: Matthew Pickering <matthewtpickering@gmail.com>

• 44236317
  by Sylvain Henry at 2021-12-17T09:39:00+01:00

  Fix for new Plugins datatype
  

• 80ada0fa
  by Hécate Moonlight at 2021-12-17T17:28:48+01:00

  Remove ghc-head workflow (#1446)
  
  Contributions of GHC glue code are now done on the GHC gitlab, not in the GitHub repo anymore.

• 49e171cd
  by Matthew Pickering at 2021-12-28T09:47:09+00:00

  Remove use of ExtendedModSummary
  

• 0e91b5ea
  by askeblad at 2022-01-04T09:18:35+01:00

  update URLs

• 9f13c212
  by Hécate Moonlight at 2022-02-25T10:19:46+01:00

  Fix solver for GHC 9.2
  

• 386751a1
  by Meng Weng Wong at 2022-02-25T19:19:11+01:00

  IDoc link has bitrotted; replaced with web.archive.org cache. (#1454)
  
  

• d877cbe6
  by Hécate Moonlight at 2022-02-25T19:21:58+01:00

  Fix haddock user guide  (#1456)
  
  

• cc47f036
  by Andrew Lelechenko at 2022-03-04T17:29:36+01:00

  Allow text-2.0 in haddock-library (#1459)
  
  

• 7b3685a3
  by malteneuss at 2022-03-07T19:27:24+01:00

  Add multi-line style hint to style section (#1460)
  
  

• c51088b8
  by John Ericson at 2022-03-11T16:46:26+01:00

  Fix CollectPass instance to match TTG refactor
  
  Companion to GHC !7614 (https://gitlab.haskell.org/ghc/ghc/-/merge_requests/7614)
  

• b882195b
  by Vladislav Zavialov at 2022-03-14T20:32:30+01:00

  Link to (~)
  

• 877349b8
  by Christiaan Baaij at 2022-03-16T09:20:43+01:00

  Add Haddock support for the OPAQUE pragma
  

• 0ea22721
  by askeblad at 2022-03-16T09:44:27+01:00

  typos (#1464)
  
  

• a6d13da1
  by Matthew Pickering at 2022-03-22T13:41:17+00:00

  Minimum changes needed for compilation with hi-haddock
  
  With hi-haddock, of course there is a much large refactoring of haddock
  which could be achieved but that is left for a future patch which can
  implemented at any time independently of GHC.
  

• e7ac9129
  by Matthew Pickering at 2022-03-22T21:17:50+00:00

  Update test output
  

• 6d916214
  by Matthew Pickering at 2022-03-24T15:06:26+00:00

  Merge branch 'wip/opaque_pragma' into 'ghc-head'
  
  Add Haddock support for the OPAQUE pragma
  
  See merge request ghc/haddock!2

• 42208183
  by Steve Hart at 2022-03-25T20:43:50+01:00

  Fix CI (#1467)
  
  * CI: Reinstall GHC with docs
  
  CI tests were failing because the GHC preinstalled to the CI
  environment does not include documentation, which is required for
  running the Haddock tests. This commit causes the CI workflow to
  reinstall GHC with docs so that tests can succeed.

• 9676fd79
  by Steve Hart at 2022-03-25T21:33:34+01:00

  Make links in Synopsis functional again (#1458)
  
  Commit e41c1cbe9f0476997eac7b4a3f17cbc6b2262faf added a call to
  e.preventDefault() when handling click events that reach a toggle
  element. This prevents the browser from following hyperlinks within the
  Synopsis section when they are clicked by a user. This commit restores
  functioning hyperlinks within the Synopsis section by removing the call
  to e.preventDefault(), as it does not appear to be necessary, and
  removing it increases the flexibility of the details-helper code.

• d1edd637
  by sheaf at 2022-04-01T12:02:02+02:00

  Keep track of promotion ticks in HsOpTy
  
  Keeping track of promotion ticks in HsOpTy allows us to properly
  pretty-print promoted constructors such as lists.
  

• 9dcb2dfc
  by Jakob Brünker at 2022-04-01T15:46:22+00:00

  Add support for \cases
  
  See merge request ghc/ghc!7873

• b0412ee5
  by askeblad at 2022-04-06T17:47:57+02:00

  spelling errors (#1471)
  
  

• 6b18829b
  by Vladislav Zavialov at 2022-04-06T18:53:58+02:00

  Rename [] to List
  

• 2d046691
  by Vladislav Zavialov at 2022-04-07T20:25:54+03:00

  HsToken ConDeclGADT con_dcolon
  

• 90b43da4
  by Steve Hart at 2022-04-12T13:29:46+02:00

  Parse Markdown links at beginning of line within a paragraph (#1470)
  
  * Catch Markdown links at beginning of line within paragraph
  
  Per Issue haskell/haddock#774, Markdown links were being parsed as ordinary text when
  they occurred at the beginning of a line other than the first line of
  the paragraph. This occurred because the parser was not interpreting a
  left square bracket as a special character that could delimit special
  markup. A space character was considered a special character, so, if a
  space occurred at the beginning of the new line, then the parser would
  interpret the space by itself and then continue parsing, thereby
  catching the Markdown link. '\n' was not treated as a special character,
  so the parser did not catch a Markdown link that may have followed.
  
  Note that this will allow for Markdown links that are not surrounded by
  spaces. For example, the following text includes a Markdown link that
  will be parsed:
  
    Hello, world[label](url)
  
  This is consistent with how the parser handles other types of markup.
  
  * Remove obsolete documentation hint
  
  Commit 6b9aeafddf20efc65d3725c16e3fc43a20aac343 should eliminate the
  need for the workaround suggested in the documentation.

• 5b08312d
  by Hécate Moonlight at 2022-04-12T13:36:38+02:00

  Force ghc-9.2 in the cabal.project
  

• 0d0ea349
  by dependabot[bot] at 2022-04-12T13:57:41+02:00

  Bump path-parse from 1.0.5 to 1.0.7 in /haddock-api/resources/html (#1469)
  
  Bumps [path-parse](https://github.com/jbgutierrez/path-parse) from 1.0.5 to 1.0.7.
  - [Release notes](https://github.com/jbgutierrez/path-parse/releases)
  - [Commits](https://github.com/jbgutierrez/path-parse/commits/v1.0.7)
  
  ---
  updated-dependencies:
  - dependency-name: path-parse
    dependency-type: indirect
  ...
  
  Signed-off-by: dependabot[bot] <support@github.com>
  
  Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

• 2b9fc65e
  by dependabot[bot] at 2022-04-12T13:57:54+02:00

  Bump copy-props from 2.0.4 to 2.0.5 in /haddock-api/resources/html (#1468)
  
  Bumps [copy-props](https://github.com/gulpjs/copy-props) from 2.0.4 to 2.0.5.
  - [Release notes](https://github.com/gulpjs/copy-props/releases)
  - [Changelog](https://github.com/gulpjs/copy-props/blob/master/CHANGELOG.md)
  - [Commits](https://github.com/gulpjs/copy-props/compare/2.0.4...2.0.5)
  
  ---
  updated-dependencies:
  - dependency-name: copy-props
    dependency-type: indirect
  ...
  
  Signed-off-by: dependabot[bot] <support@github.com>
  
  Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

• ea98a6fb
  by Ben Gamari at 2022-04-23T22:54:37-04:00

  Update for GHC 9.4
  

• 9e11864f
  by Ben Gamari at 2022-04-25T16:24:31-04:00

  Merge remote-tracking branch 'upstream/ghc-9.2' into ghc-head
  

• f83cc506
  by Ben Gamari at 2022-04-25T17:00:25-04:00

  Bump ghc version to 9.5
  

• e01c2e7d
  by Ben Gamari at 2022-04-28T16:19:04-04:00

  Revert "Bump ghc-head (#1445)"
  
  This reverts commit b29a78ef6926101338f62e84f456dac8659dc9d2.
  
  This should not have been merged.
  

• a2b5ee8c
  by Ben Gamari at 2022-04-28T16:19:24-04:00

  Merge commit '2627a86c' into ghc-head
  

• 0c6fe4f9
  by Ben Gamari at 2022-04-29T10:05:54-04:00

  Merge remote-tracking branch 'origin/ghc-head' into ghc-9.4
  

• b6e5cb0a
  by Ben Gamari at 2022-04-29T11:46:06-04:00

  Revert "HsToken ConDeclGADT con_dcolon"
  
  This reverts commit 24208496649a02d5f87373052c430ea4a97842c5.
  

• 15a62888
  by Ben Gamari at 2022-04-29T15:12:55-04:00

  Bump base upper bound
  

• 165b9031
  by Ben Gamari at 2022-04-29T23:58:38-04:00

  Update test output
  

• e0c3e5da
  by Phil de Joux at 2022-05-02T14:46:38+02:00

  Add hlint action .hlint.yaml with ignores & CPP. (#1475)
  
  

• ead1158d
  by Raphael Das Gupta at 2022-05-02T14:46:48+02:00

  fix grammar in docs: "can the" → "can be" (#1477)
  
  

• cff97944
  by Ben Gamari at 2022-05-02T18:38:56-04:00

  Allow base-4.17
  

• e4ecb201
  by Phil de Joux at 2022-05-03T13:14:55+02:00

  Remove unused imports that GHC warned about. (#1480)
  
  

• 222890b1
  by Phil de Joux at 2022-05-03T13:15:46+02:00

  Follow hlint suggestion to remove redundant bang. (#1479)
  
  

• 058b671f
  by Phil de Joux at 2022-05-03T13:34:04+02:00

  Follow hlint, remove language pragmas in libs. (#1478)
  
  

• 0a645049
  by Ben Simms at 2022-05-03T14:19:24+02:00

  Keep track of ordered list indexes and render them (#1407)
  
  * Keep track of ordered list indexes and render them
  
  * Rename some identifiers to clarify

• f0433304
  by Norman Ramsey at 2022-05-04T15:13:34-04:00

  update for changes in GHC API
  

• 3740cf71
  by Emily Martins at 2022-05-06T18:23:48+02:00

  Add link to the readthedocs in cabal description to show on hackage.
  
  (cherry picked from commit 52e2d40d47295c02d3181aac0c53028e730f1e3b)
  

• 5d754f1e
  by Hécate Moonlight at 2022-05-06T18:44:57+02:00

  remove Bug873
  

• 968fc267
  by Hécate Moonlight at 2022-05-06T18:48:28+02:00

  Ignore "Use second" HLint suggestion. It increases laziness.
  

• 02d14e97
  by Jade Lovelace at 2022-05-07T17:42:08+02:00

  Fix hyperlinks to external items and modules (#1482)
  
  Fixes haskell/haddock#1481.
  
  There were two bugs in this:
  * We were assuming that we were always getting a relative path to the
    module in question, while Nix gives us file:// URLs sometimes. This
    change checks for those and stops prepending `..` to them.
  * We were not linking to the file under the module. This seems
    to have been a regression introduced by haskell/haddock#977. That is, the URLs were
    going to something like
    file:///nix/store/3bwbsy0llxxn1pixx3ll02alln56ivxy-ghc-9.0.2-doc/share/doc/ghc/html/libraries/base-4.15.1.0/src
    which does not have the appropriate HTML file or fragment for the item
    in question at the end.
  
  There is a remaining instance of the latter bug, but not in the
  hyperlinker: the source links to items reexported from other modules are
  also not including the correct file name. e.g. the reexport of Entity in
  esqueleto, from persistent.
  
  NOTE: This needs to get tested with relative-path located modules. It seems
  correct for Nix based on my testing.
  
  Testing strategy:
  
  ```
  nix-shell '<nixpkgs>' --pure -A haskell.packages.ghc922.aeson
  mkdir /tmp/aesonbuild && cd /tmp/aesonbuild
  export out=/tmp/aesonbuild/out
  genericBuild
  
  ln -sf $HOME/co/haddock/haddock-api/resources .
  ./Setup haddock --with-haddock=$HOME/path/to/haddock/exec --hyperlink-source
  ```

• b22b87ed
  by Artem Pelenitsyn at 2022-05-08T16:19:47+02:00

  fix parsing trailing quotes in backticked identifiers (#1408) (#1483)
  
  

• 80ae107b
  by Alex Biehl at 2022-05-08T16:37:16+02:00

  Fix "Defined by not used" error
  
  (cherry picked from commit 6e02a620a26c3a44f98675dd1b93b08070c36c0a)
  

• 4c838e84
  by Hécate Moonlight at 2022-05-08T16:37:16+02:00

  Fix the changelog and bump the version of haddock-library on ghc-9.2
  

• fc9827b4
  by Hécate Moonlight at 2022-05-08T16:40:40+02:00

  Fix the changelog and bump the version of haddock-library on ghc-9.2
  

• b153b555
  by Xia Li-yao at 2022-05-20T17:52:42+02:00

  Hide synopsis from search when hidden (#1486)
  
  Fix haskell/haddock#1451

• f3e38b85
  by Marcin Szamotulski at 2022-05-21T23:32:31+02:00

  Allow to hide interfaces when rendering multiple components (#1487)
  
  This is useful when one wishes to `--gen-contents` when rendering
  multiple components, but one does not want to render all modules.  This
  is in particular useful when adding base package.

• f942863b
  by Marcin Szamotulski at 2022-05-24T08:29:59+02:00

  Check if doc-index.json exists before reading it (#1488)
  
  

• 31e92982
  by Marcin Szamotulski at 2022-05-25T16:22:13+02:00

  Version bump 2.26.1 (#1489)
  
  * Version bump 2.26.1
  
  We extended format accepted by `--read-interface` option, which requires
  updating the minor version.
  
  * Update documentation of --read-interface option

• 7cc873e0
  by sheaf at 2022-05-25T16:42:31+02:00

  Updated HaddockHypsrcTest output for record update changes (MR !7981)
  

• cd196942
  by Marcin Szamotulski at 2022-05-25T20:28:47+02:00

  Use visibility to decide which interfaces are included in quickjump (#1490)
  
  This is also consistent with how html index is build.  See
  haskell/cabal#7669 for rationale behind this decision.

• 00c713c5
  by Hécate Moonlight at 2022-05-26T17:09:15+02:00

  Add code of conduct and hspec failure files in .gitignore
  

• 2f3039f1
  by Hécate Moonlight at 2022-05-26T17:10:59+02:00

  Add code of conduct and hspec failure files in .gitignore
  

• 63a5650c
  by romes at 2022-05-31T12:43:22+01:00

  TTG: Match new GHC AST
  

• dd7d1617
  by romes at 2022-06-02T16:11:00+01:00

  Update for IE changes in !8228
  

• c23aaab7
  by cydparser at 2022-06-06T08:48:14+02:00

  Fix and improve CI (#1495)
  
  * Pin GHC version before creating the freeze file
  
  * Use newest action versions
  
  * Improve caching
  
  * Avoid unnecessarily reinstalling GHC
  
  * Use GHC 9.2.2 for CI
  
  Co-authored-by: Cyd Wise <cwise@tripshot.com>

• c156fa77
  by Hécate Moonlight at 2022-06-06T11:59:35+02:00

  Add Mergify configuration (#1496)
  
  

• 2dba4188
  by Hécate Moonlight at 2022-06-06T16:12:50+02:00

  Bump haddock's version in cabal file to 2.26.1 (#1497)
  
  

• d7d4b8b9
  by Marcin Szamotulski at 2022-06-07T06:09:40+00:00

  Render module tree per package in the content page (#1492)
  
  * Render module tree per package in the content page
  
  When rendering content page for multiple packages it is useful to split
  the module tree per package.  Package names in this patch are inferred
  from haddock's interface file names.
  
  * Write PackageInfo into interface file
  
  To keep interface file format backward compatible, instead of using
  `Binary` instance for `InterfaceFile` we introduce functions to
  serialise and deserialise, which depends on the interface file version.

• 77765665
  by Mike Pilgrem at 2022-06-12T21:57:19+01:00

  Fix haskell/haddock#783 Don't show button if --quickjump not present
  

• b0e079b0
  by mergify[bot] at 2022-06-13T11:49:37+00:00

  Merge pull request haskell/haddock#1108 from mpilgrem/fix783
  
  Fix haskell/haddock#783 Don't show button if --quickjump not present

• 6c0292b1
  by Hécate Moonlight at 2022-06-21T17:21:08+02:00

  Update the contribution guide
  

• e413b9fa
  by dependabot[bot] at 2022-06-21T23:38:19+02:00

  Bump shell-quote from 1.6.1 to 1.7.3 in /haddock-api/resources/html (#1500)
  
  Bumps [shell-quote](https://github.com/substack/node-shell-quote) from 1.6.1 to 1.7.3.
  - [Release notes](https://github.com/substack/node-shell-quote/releases)
  - [Changelog](https://github.com/substack/node-shell-quote/blob/master/CHANGELOG.md)
  - [Commits](https://github.com/substack/node-shell-quote/compare/1.6.1...1.7.3)
  
  ---
  updated-dependencies:
  - dependency-name: shell-quote
    dependency-type: indirect
  ...
  
  Signed-off-by: dependabot[bot] <support@github.com>
  
  Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

• 29d0ef70
  by romes at 2022-07-06T11:29:39+02:00

  TTG: AST Updates for !8308
  

• 1bae7c87
  by Alan Zimmerman at 2022-07-06T22:50:43+01:00

  Match GHC changes for T21805
  
  This brings in a newtype for FieldLabelString
  

• 6fe8b988
  by Phil de Joux at 2022-07-16T20:54:26+00:00

  Bump hlint version to 3.4.1, the version with counts. (#1503)
  
  Redo the counts available with the --default option.

• 48fb43af
  by Phil de Joux at 2022-07-19T09:32:55+02:00

  Follow hlint suggestion: unused LANGUAGE pragma. (#1504)
  
  * Follow hlint suggestion: unused LANGUAGE pragma.
  
  * Ignore within modules to pass linting and pass tests.

• c1cf1fa7
  by Phil de Joux at 2022-07-24T13:45:59+02:00

  Follow hlint suggestion: redundant $. (#1505)
  
  * Follow hlint suggestion: redundant $.
  
  * Remove $ and surplus blank lines in Operators.

• 74777eb2
  by Jade Lovelace at 2022-07-29T11:02:41+01:00

  Fix hyperlinks to external items and modules (#1482)
  
  Fixes haskell/haddock#1481.
  
  There were two bugs in this:
  * We were assuming that we were always getting a relative path to the
    module in question, while Nix gives us file:// URLs sometimes. This
    change checks for those and stops prepending `..` to them.
  * We were not linking to the file under the module. This seems
    to have been a regression introduced by haskell/haddock#977. That is, the URLs were
    going to something like
    file:///nix/store/3bwbsy0llxxn1pixx3ll02alln56ivxy-ghc-9.0.2-doc/share/doc/ghc/html/libraries/base-4.15.1.0/src
    which does not have the appropriate HTML file or fragment for the item
    in question at the end.
  
  There is a remaining instance of the latter bug, but not in the
  hyperlinker: the source links to items reexported from other modules are
  also not including the correct file name. e.g. the reexport of Entity in
  esqueleto, from persistent.
  
  NOTE: This needs to get tested with relative-path located modules. It seems
  correct for Nix based on my testing.
  
  Testing strategy:
  
  ```
  nix-shell '<nixpkgs>' --pure -A haskell.packages.ghc922.aeson
  mkdir /tmp/aesonbuild && cd /tmp/aesonbuild
  export out=/tmp/aesonbuild/out
  genericBuild
  
  ln -sf $HOME/co/haddock/haddock-api/resources .
  ./Setup haddock --with-haddock=$HOME/path/to/haddock/exec --hyperlink-source
  ```
  
  (cherry picked from commit ab53ccf089ea703b767581ac14be0f6c78a7678a)
  

• faa4cfcf
  by Hécate Moonlight at 2022-07-29T20:31:20+02:00

  Merge pull request haskell/haddock#1516 from duog/9-4-backport-fix-hyperlinks
  
  Backport 9-4: Fix hyperlinks to external items and modules (#1482)

• 5d2450f3
  by Ben Gamari at 2022-08-05T17:41:15-04:00

  Merge remote-tracking branch 'origin/ghc-9.4'
  

• 63954f73
  by Ben Gamari at 2022-08-05T19:08:36-04:00

  Clean up build and testsuite for GHC 9.4
  

• d4568cb8
  by Hécate Moonlight at 2022-08-05T19:10:49-04:00

  Bump the versions
  

• 505583a4
  by Ben Gamari at 2022-08-06T13:58:27-04:00

  Merge pull request haskell/haddock#1518 from bgamari/wip/ghc-9.4-merge
  
  Merge GHC 9.4 into `main`

• 5706f6a4
  by Ben Gamari at 2022-08-06T22:57:21-04:00

  html-test: Testsuite changes for GHC 9.4.1
  

• 5f2a45a2
  by Ben Gamari at 2022-08-15T14:33:05-04:00

  doc: Fix a few minor ReST issues
  
  Sphinx was complaining about too-short title underlines.
  

• 220e6410
  by Ben Gamari at 2022-08-15T14:41:24-04:00

  Merge branch 'main' into ghc-head
  

• fbeb1b02
  by Ben Gamari at 2022-08-15T14:45:16-04:00

  Updates for GHC 9.5
  

• eee562eb
  by Vladislav Zavialov at 2022-08-15T14:46:13-04:00

  HsToken ConDeclGADT con_dcolon
  

• c5f073db
  by Ben Gamari at 2022-08-15T16:55:35-04:00

  Updates for GHC 9.5
  

• 3f7ab242
  by Vladislav Zavialov at 2022-08-15T16:55:35-04:00

  HsToken ConDeclGADT con_dcolon
  

• a18e473d
  by Ben Gamari at 2022-08-16T08:35:19-04:00

  Merge branch 'wip/ghc-head-bump' into ghc-head
  

• af0ff3a4
  by M Farkas-Dyck at 2022-09-15T21:16:05+00:00

  Disuse `mapLoc`.
  

• a748fc38
  by Matthew Farkas-Dyck at 2022-09-17T10:44:18+00:00

  Scrub partiality about `NewOrData`.
  

• 2758fb6c
  by John Ericson at 2022-09-18T03:27:37+02:00

  Test output changed because of change to `base`
  
  Spooky, but I guess that is intended?
  

• a7eec128
  by Torsten Schmits at 2022-09-21T11:06:55+02:00

  update tests for the move of tuples to GHC.Tuple.Prim
  

• 461e7b9d
  by Ross Paterson at 2022-09-24T22:01:25+00:00

  match implementation of GHC proposal haskell/haddock#106 (Define Kinds Without Promotion)
  

• f7fd77ef
  by sheaf at 2022-10-17T14:53:01+02:00

  Update Haddock for GHC MR !8563 (configuration of diagnostics)
  

• 3d3e85ab
  by Vladislav Zavialov at 2022-10-22T23:04:06+03:00

  Class layout info
  

• cbde4cb0
  by Simon Peyton Jones at 2022-10-25T23:19:18+01:00

  Adapt to Constraint-vs-Type
  
  See haskell/haddock#21623 and !8750
  

• 7108ba96
  by Tom Smeding at 2022-11-01T22:33:23+01:00

  Remove outdated footnote about module re-exports
  
  The footnote is invalid with GHC 9.2.4 (and possibly earlier): the described behaviour in the main text works fine.

• 206c6bc7
  by Hécate Moonlight at 2022-11-01T23:00:46+01:00

  Merge pull request haskell/haddock#1534 from tomsmeding/patch-1
  
  

• a57b4c4b
  by Andrew Lelechenko at 2022-11-21T00:39:52+00:00

  Support mtl-2.3
  

• e9d62453
  by Simon Peyton Jones at 2022-11-25T13:49:12+01:00

  Track small API change in TyCon.hs
  

• eb1c73f7
  by Ben Gamari at 2022-12-07T08:46:21-05:00

  Update for GhC 9.6
  

• 063268dd
  by Ben Gamari at 2022-12-07T11:26:32-05:00

  Merge remote-tracking branch 'upstream/ghc-head' into HEAD
  

• 4ca722fe
  by Ben Gamari at 2022-12-08T14:43:26-05:00

  Bump bounds to accomodate base-4.18
  

• 340b7511
  by Vladislav Zavialov at 2022-12-10T12:31:28+00:00

  HsToken in HsAppKindTy
  

• 946226ec
  by Ben Gamari at 2022-12-13T20:12:56-05:00

  Merge remote-tracking branch 'origin/ghc-head' into HEAD
  

• fd8faa66
  by Ben Gamari at 2022-12-22T13:44:28-05:00

  Bump GHC version to 9.7
  

• 2958aa9c
  by Ben Gamari at 2022-12-22T14:49:16-05:00

  Merge remote-tracking branch 'origin/ghc-head' into HEAD
  

• 9e0fefd8
  by Andrei Borzenkov at 2023-01-30T14:02:04+04:00

  Rename () to Unit, Rename (,,...,,) to Tuple<n>
  

• eb3968b5
  by Ben Gamari at 2023-03-10T02:32:43-05:00

  Bump versions for ghc-9.6 release
  

• 4aeead36
  by Adam Gundry at 2023-03-23T13:53:47+01:00

  Adapt to warning categories changes
  

• 642d8d60
  by sheaf at 2023-03-29T13:35:56+02:00

  Adapt to record field refactor
  
  This commit adapts to the changes in GHC MR !8686, which overhauls
  the treatment of record fields in the renamer, adding separate record
  field namespaces and entirely removing the GreName datatype.
  

• ac8d4333
  by doyougnu at 2023-03-29T11:11:44-04:00

  Update UniqMap API
  

• 7866fc86
  by Ben Orchard at 2023-04-20T11:29:33+02:00

  update classify with new tokens
  

• ffcdd683
  by Finley McIlwaine at 2023-04-24T09:36:18-06:00

  Remove index-state
  

• 05b70982
  by Finley McIlwaine at 2023-04-26T08:16:31-06:00

  `renameInterface` space leak fixes
  
  - Change logic for accumulation of names for which link warnings
    will be generated
  - Change handling of `--ignore-link-symbol` to allow qualified and
    unqualified names. Added to CHANGES.md
  - Some formatting changes and comments here and there
  

• e5697d7c
  by Finley McIlwaine at 2023-04-27T18:46:36-06:00

  Messy things
  
  - ghc-debug dependency and instrumentation
  - cabal.project custom with-compiler
  - hie.yaml files
  - traces and such
  

• 0b8ef80b
  by Finley McIlwaine at 2023-05-02T18:08:52-06:00

  Stop retaining GRE closures
  
  GRE closures should never be necessary to Haddock, so we never want to
  keep them on the heap. Despite that, they are retained by a lot of the
  data structures that Haddock makes use of.
  
  - Attempt to fix that situation by adding strictness to various
    computations and pruning the `ifaceInstances` field of `Interface` to
    a much thinner data type.
  
  - Removes the `ifaceFamInstances` field, as it was never used.
  
  - Move some of the attach instances types (e.g. `SimpleType`) to the
    types module
  

• 8bda991b
  by Finley McIlwaine at 2023-05-08T16:07:51-06:00

  Memory usage fixes
  
  - Refactor `ifaceDeclMap` to drastically reduce memory footprint. We
    no longer store all declarations associated with a given name, since
    we only cared to determine if the only declaration associated with a
    name was a value declaration. Change the `DeclMap` type to better
    reflect this.
  - Drop pre-renaming export items after the renaming step. Since the
    Hoogle backend used the pre-renamed export items, this isn't trivial.
    We now generate Hoogle output for exported declarations during the
    renaming step (if Hoogle output /should/ be generated), and store that
    with the renamed export item.
  - Slightly refactor Hoogle backend to handle the above change and allow
    for early generation of Hoogle output.
  - Remove the `ifaceRnDocMap` and `ifaceRnArgMap` fields of the
    `Interface` type, as they were never used.
  - Remove some unnecessary strictness
  - Remove a lot of dead code from `Syb` module
  

• 1611ac0c
  by Finley McIlwaine at 2023-05-09T11:51:57-06:00

  Unify ErrMsgM and IfM
  
  - Delete ErrMsgM, stop accumulating warnings in a writer
  - Make IfM a state monad, print warnings directly to stdout, move IfM
    type into types module
  - Drop ErrMsg = String synonym
  - Unset IORefs from plugin after they are read, preventing unnecessary
    retention of interfaces
  

• 42d696ab
  by Finley McIlwaine at 2023-05-11T15:52:07-06:00

  Thunk leak fixes
  
  The strictness introduced in this commit was motivated by observing
  thunk leaks in the eventlog2html output.
  
  - Refactor attach instances list comprehension to avoid large
    intermediate thunks
  - Refactor some HTML backend list comprehensions to avoid large
    intermediate thunks
  - Avoid thunks accumulating in documentation types or documentation
    parser
  - A lot of orphan NFData instances to allow us to force documentation
    values
  

• 68561cf6
  by Finley McIlwaine at 2023-05-11T17:02:10-06:00

  Remove GHC debug dep
  

• 10519e3d
  by Finley McIlwaine at 2023-05-15T12:40:48-06:00

  Force HIE file path
  
  Removes a potential retainer of `ModSummary`s
  

• 1e4a6ec6
  by Finley McIlwaine at 2023-05-15T14:20:34-06:00

  Re-add index-state, with-compiler, delete hie.yamls
  

• a2363fe9
  by Hécate Moonlight at 2023-05-15T22:45:16+02:00

  Merge pull request haskell/haddock#1594 from FinleyMcIlwaine/finley/ghc-9.6-mem-fixes
  
  Reduce memory usage

• e8a78383
  by Finley McIlwaine at 2023-05-17T12:19:16-06:00

  Merge branch ghc-9.6 into ghc-head
  

• 22e25581
  by Finley McIlwaine at 2023-05-17T12:20:23-06:00

  Merge branch 'ghc-head' of gitlab.haskell.org:ghc/haddock into ghc-head
  

• 41bbf0df
  by Bartłomiej Cieślar at 2023-05-24T08:57:58+02:00

  changes to the WarningTxt cases
  
  Signed-off-by: Bartłomiej Cieślar <bcieslar2001@gmail.com>
  

• c686ba9b
  by Hécate Moonlight at 2023-06-01T14:03:02-06:00

  Port the remains of Hi-Haddock
  

• 9d8a85fd
  by Hécate Moonlight at 2023-06-01T14:03:06-06:00

  Stdout for tests
  

• 36331d07
  by Finley McIlwaine at 2023-06-01T14:06:02-06:00

  Formatting, organize imports
  

• a06059b1
  by Finley McIlwaine at 2023-06-01T14:06:04-06:00

  Fix empty context confusion in Convert module
  

• 379346ae
  by Finley McIlwaine at 2023-06-01T14:06:04-06:00

  Fix associated type families in Hoogle output
  

• fc6ea7ed
  by Finley McIlwaine at 2023-06-01T14:06:04-06:00

  Fix test refs
  
  Accept several changes in Hoogle tests:
  
  Pretty printing logic no longer prints the `(Proxy (Proxy (...))`
  chain in Bug806 with parentheses. Since this test was only meant
  to verify that line breaks do not occur, accept the change.
  
  `tyThingToLHsDecl` is called for class and data declarations, which ends
  up "synifying" the type variables and giving unlifted types kind
  signatures. As a result, type variables of kind `Type -> Type`
  are now printed with kind signatures in Hoogle output. This could
  be changed by manually drop kind signatures from class variables
  in the Hoogle backend if the behavior is deemed unacceptable.
  
  Sometimes subordinate declarations are exported separate from their
  parent declarations (e.g. record selectors). In this case, a type
  signature is cobbled together for the export item in `extractDecl`.
  Since this type signature is very manually constructed, it may lack
  kind signatures of decls constructed from `tyThingToLHsDecl`. An
  example of this is the `type-sigs` Hoogle test.
  
  Change `*` to `Type` in Hoogle test refs. I don't think this will
  break Hoogle behavior, since it appears to not consider type
  signatures in search. I have not fully verified this.
  

• e14b7e58
  by Finley McIlwaine at 2023-06-01T14:06:05-06:00

  Fix LaTeX backend test refs
  
  Changes to GHC pretty printing code have resulted in some
  differences to Haddock's LaTeX output.
  
  - Type variables are printed explicitly quantified in the
    LinearTypes test
  - Wildcard types in type family equations are now printed numbered,
    e.g. _1 _2, in the TypeFamilies3 test
  - Combined signatures in DefaultSignatures test are now documented
    as separate signatures
  

• 41b5b296
  by Finley McIlwaine at 2023-06-01T14:06:05-06:00

  Formatting and test source updates
  
  - Stop using kind `*` in html test sources
  - Add TypeOperators where necessary to avoid warnings and future errors
  - Rename some test modules to match their module names
  

• c640e2a2
  by Finley McIlwaine at 2023-06-01T14:06:05-06:00

  Fix missing deprecation warnings on record fields
  
  `lookupOccEnv` was used to resolve `OccNames` with warnings attached, but
  it doesn't look in the record field namespace. Thus, if a record field
  had a warning attached, it would not resolve and the warning map would
  not include it. This commit fixes by using `lookupOccEnv_WithFields`
  instead.
  

• fad0c462
  by Finley McIlwaine at 2023-06-01T14:06:05-06:00

  Formatting and some comments
  

• 751fd023
  by Finley McIlwaine at 2023-06-01T14:11:41-06:00

  Accept HTML test diffs
  
  All diffs now boil down to the expected differences resulting from
  declarations being reified from TyThings in hi-haddock. Surface
  syntax now has much less control over the syntax used in the
  documentation.
  

• d835c845
  by Finley McIlwaine at 2023-06-01T14:11:45-06:00

  Adapt to new load' type
  

• dcf776c4
  by Finley McIlwaine at 2023-06-01T14:13:13-06:00

  Update mkWarningMap and moduleWarning
  

• 8e8432fd
  by Finley McIlwaine at 2023-06-01T14:28:54-06:00

  Revert load' changes
  

• aeb2982c
  by Finley McIlwaine at 2023-06-01T14:40:24-06:00

  Accept change to Instances test in html-test
  
  Link to Data.Tuple instead of GHC.Tuple.Prim
  

• 8adfdbac
  by Finley McIlwaine at 2023-06-01T15:53:17-06:00

  Reset ghc dep to ^>= 9.6
  

• 2b1ce93d
  by Finley McIlwaine at 2023-06-06T07:50:04-06:00

  Update CHANGES.md, user guide, recomp avoidance
  
  * Add --trace-args flag for tracing arguments received to standard output
  * Avoid recompiling due to changes in optimization flags
  * Update users guide and changes.md
  

• f3da6676
  by Finley McIlwaine at 2023-06-06T14:12:56-06:00

  Add "Avoiding Recompilation" section to docs
  
  This section is a bit of a WIP due to the unstable nature of hi-haddock
  and the lack of tooling supporting it, but its a good start.
  

• bf36c467
  by Matthew Pickering at 2023-06-07T10:16:09+01:00

  Revert back to e16e20d592a6f5d9ed1af17b77fafd6495242345
  
  Neither of these MRs are ready to land yet which causes issues with
  other MRs which are ready to land and need haddock changes.
  

• 421510a9
  by Vladislav Zavialov at 2023-06-07T09:36:30+00:00

  atSign has no unicode variant
  
  Prior to this change, atSign was defined as follows:
  
  	atSign unicode = text (if unicode then "@" else "@")
  
  Yes, this is the same symbol '\64' and not your font playing
  tricks on you. Now we define:
  
  	atSign = char '@'
  
  Both the LaTeX and the Xhtml backend are updated accordingly.
  

• 3785c276
  by Vladislav Zavialov at 2023-06-07T09:36:30+00:00

  LaTeX: fix printing of type variable bindings
  
  Consider this type signature:
  
  	kindOf :: forall {k} (a :: k). Proxy a -> Proxy k
  
  Prior to this fix, the LaTeX backend rendered it like this:
  
  	kindOf :: forall k a. Proxy a -> Proxy k
  
  Now we preserve explicit specificity and kind annotations.
  

• 0febf3a8
  by Vladislav Zavialov at 2023-06-07T09:36:30+00:00

  Add support for invisible binders in type declarations
  

• 13e33bb3
  by Finley McIlwaine at 2023-06-08T07:51:59-06:00

  Add "Avoiding Recompilation" section to docs
  
  This section is a bit of a WIP due to the unstable nature of hi-haddock
  and the lack of tooling supporting it, but its a good start.
  

• 3e5340ce
  by Finley McIlwaine at 2023-06-08T07:54:27-06:00

  Add note about stubdir to recompilation docs
  

• db7e84dc
  by Finley at 2023-06-08T08:11:03-06:00

  Merge pull request haskell/haddock#1597 from haskell/finley/hi-haddock-9.6
  
  hi-haddock for ghc 9.6

• 4e085d17
  by Finley McIlwaine at 2023-06-14T13:41:06-06:00

  Replace SYB traversals
  

• 7b39aec5
  by Finley McIlwaine at 2023-06-14T14:20:17-06:00

  Test ref accepts, remove unused HaddockClsInst
  

• df9c2090
  by Finley McIlwaine at 2023-06-15T08:02:51-06:00

  Use batchMsg for progress reporting during load
  
  With hi-haddock as is, there is an awkward silence during the load operation.
  This commit makes haddock use the default `batchMsg` Messager for progress
  reporting, and makes the default GHC verbosity level 1, so the user can see
  what GHC is doing.
  

• f23679a8
  by Hécate Moonlight at 2023-06-15T20:31:53+02:00

  Merge pull request haskell/haddock#1600 from haskell/finley/hi-haddock-optim
  
  

• a7982192
  by Finley McIlwaine at 2023-06-15T15:02:16-06:00

  hi-haddock squashed
  

• c34f0c8d
  by Finley McIlwaine at 2023-06-15T16:22:03-06:00

  Merge remote-tracking branch 'origin/ghc-9.6' into finley/hi-haddock-squashed
  

• 40452797
  by Bartłomiej Cieślar at 2023-06-16T12:26:04+02:00

  Changes related to MR !10283
  
  MR !10283 changes the alternatives for WarningTxt pass. This MR reflects those changes in the haddock codebase.
  
  Signed-off-by: Bartłomiej Cieślar <bcieslar2001@gmail.com>
  

• e58673bf
  by Ben Gamari at 2023-06-16T09:33:35-04:00

  Bump GHC version to 9.8
  

• 74bdf972
  by Ben Gamari at 2023-06-16T09:36:18-04:00

  Merge commit 'fcaaad06770a26d35d4aafd65772dedadf17669c' into ghc-head
  

• 418ee3dc
  by Finley McIlwaine at 2023-06-20T15:39:05-04:00

  Remove NFData SourceText, IfaceWarnings updates
  
  The NFData SourceText instance is now available in GHC
  
  Handle mod_iface mi_warns now being IfaceWarnings
  

• 62f31380
  by Finley McIlwaine at 2023-06-20T15:39:05-04:00

  Accept Instances.hs test output
  
  Due to ghc!10469.
  

• a8f2fc0e
  by Ben Gamari at 2023-06-20T15:48:08-04:00

  Test fixes for "Fix associated data family doc structure items"
  
  Associated data families were being given their own export DocStructureItems,
  which resulted in them being documented separately from their classes in
  haddocks. This commit fixes it.
  

• cb1ac33e
  by Bartłomiej Cieślar at 2023-06-21T12:56:02-04:00

  Changes related to MR !10283
  
  MR !10283 changes the alternatives for WarningTxt pass. This MR reflects those changes in the haddock codebase.
  
  Signed-off-by: Bartłomiej Cieślar <bcieslar2001@gmail.com>
  

• 9933e10b
  by Ben Gamari at 2023-06-21T12:56:02-04:00

  Bump GHC version to 9.8
  

• fe8c18b6
  by Ben Gamari at 2023-06-21T15:36:29-04:00

  Merge remote-tracking branch 'origin/ghc-head' into HEAD
  

• c61a0d5b
  by Ben Gamari at 2023-06-21T16:10:51-04:00

  Bump GHC version to 9.9
  

• 0c2a756e
  by sheaf at 2023-07-07T13:45:12+02:00

  Avoid incomplete record update in Haddock Hoogle
  
  This commit avoids running into an incomplete record update warning
  in the Hoogle backend of Haddock.
  
  This was only noticed now, because incomplete record updates were broken
  in GHC 9.6. Now that they are fixed, we have to avoid running into them!
  

• f9b952a7
  by Ben Gamari at 2023-07-21T11:58:05-04:00

  Bump base bound to <4.20
  
  For GHC 9.8.
  

• 1b27e151
  by Vladislav Zavialov at 2023-08-02T10:42:11+00:00

  Check for puns (see ghc#23368)
  

• 457341fd
  by Vladislav Zavialov at 2023-08-02T10:42:11+00:00

  Remove fake exports for (~), List, and Tuple<n>
  
  The old reasoning no longer applies, nowadays those names can be
  mentioned in export lists.
  

• bf3dcddf
  by Vladislav Zavialov at 2023-08-02T10:42:11+00:00

  Fix pretty-printing of Solo and MkSolo
  

• 495b2241
  by Matthew Pickering at 2023-09-01T13:02:07+02:00

  Fix issue with duplicate reexported definitions (T23616)
  
  When a class method was reexported, it's default methods were also
  showing up in the generated html page.
  
  The simplest and most non-invasive fix is to not look for the default
  method if we are just exporting the class method.. because the backends
  are just showing default methods when the whole class is exported.
  
  In general it would be worthwhile to rewrite this bit of code I think as
  the logic and what gets included is split over `lookupDocs` and
  `availExportDecl` it would be clearer to combine the two. The result of
  lookupDocs is always just passed to availExportDecl so it seems simpler
  and more obvious to just write the function directly.
  

• 6551824d
  by Finley McIlwaine at 2023-09-05T13:06:57-07:00

  Remove fake export of `FUN` from Prelude
  
  This prevents `data FUN` from being shown at the top of the Prelude docs. Fixes
  \#23920 on GHC.
  

• 9ab5a448
  by Alan Zimmerman at 2023-09-08T18:26:53+01:00

  Match changes in wip/az/T23885-unicode-funtycon
  

• 4d08364e
  by Alan Zimmerman at 2023-10-31T19:46:45+00:00

  EPA: match changes in GHC
  
  - EPA: Comments in AnchorOperation
  - EPA: Remove EpaEofComment
  

• e7da0d25
  by Alan Zimmerman at 2023-11-05T11:20:31+00:00

  EPA: match changes in GHC, l2l cleanup
  

• 4ceac14d
  by Alan Zimmerman at 2023-11-11T15:16:41+00:00

  EPA: Replace Anchor with EpaLocation
  
  Match GHC
  

• 94fb8d47
  by Alan Zimmerman at 2023-11-29T18:10:26+00:00

  Match GHC, No comments in EpaDelta for comments
  

• 32d208e1
  by Vladislav Zavialov at 2023-12-12T20:41:36+03:00

  EPA: Match changes to LHsToken removal
  

• eebdd316
  by Apoorv Ingle at 2024-01-23T13:49:12+00:00

  Changes for haskell/haddock#18324
  

• ae856a82
  by Matthew Pickering at 2024-02-05T12:22:39+00:00

  ghc-internals fallout
  

• f8429266
  by Jade at 2024-02-08T14:56:50+01:00

  Adjust test for ghc MR !10993
  

• 6d1e2386
  by Alan Zimmerman at 2024-02-13T22:00:28+03:00

  EPA: Match changes to HsParTy and HsFunTy
  

• 9c588f19
  by Fendor at 2024-02-14T11:05:36+01:00

  Adapt to GHC giving better Name's for linking
  

• 778e1db3
  by Andrei Borzenkov at 2024-02-16T16:12:07+03:00

  Namespace specifiers for fixity signatures
  

• 826c5b47
  by Torsten Schmits at 2024-02-21T13:17:05+01:00

  rename GHC.Tuple.Prim to GHC.Tuple
  

• 2cff14d5
  by Ben Gamari at 2024-02-22T09:35:56-05:00

  Bump bounds
  

• f49376b3
  by Ben Gamari at 2024-02-22T09:35:56-05:00

  Allow `@since` annotations in export lists
  
  Here we extend Haddock to admit `@since` annotations in export lists.
  These can be attached to most export list items (although not
  subordinate lists). These annotations supercede the declaration's
  `@since` annotation in produced Haddocks.
  

• b5aa93df
  by Ben Gamari at 2024-02-22T12:09:06-05:00

  Allow package-qualified @since declarations
  

• 8f5957f2
  by Ben Gamari at 2024-02-22T13:55:19-05:00

  Documentation changes from ghc-internal restructuring
  
  Previously many declarations (e.g. `Int`) were declared to have a "home"
  in `Prelude`. However, now Haddock instead chooses to put these in
  more specific homes (e.g. `Data.Int`). Given that the "home" decision is
  driven by heuristics and in general these changes seem
  quite reasonable I am accepting them:
  
   * `Int` moved from `Prelude` to `Data.Int`
   * `(~)` moved from `Prelude` to `Data.Type.Equality`
   * `Type` moved from `GHC.Types` to `Data.Kind`
   * `Maybe` moved from `Prelude` to `Data.Maybe`
   * `Bool` moved from `Prelude` to `Data.Bool`
   * `Ordering` moved from `Prelude` to `Data.Ord`
  
  As well, more identifiers are now hyperlinked; it's not immediately
  clear *why*, but it is an improvement nevertheless.
  

• ec33fec3
  by Ben Gamari at 2024-02-22T20:36:24-05:00

  Merge remote-tracking branch 'origin/ghc-head' into HEAD
  

• 30cfd251
  by Torsten Schmits at 2024-02-24T13:00:42-05:00

  rename GHC.Tuple.Prim to GHC.Tuple
  

• 732db81d
  by Ben Gamari at 2024-02-24T19:12:18-05:00

  Merge remote-tracking branch 'origin/ghc-head' into HEAD
  

• 86bf7010
  by Ben Gamari at 2024-02-27T19:28:10-05:00

  Merge remote-tracking branch 'origin/ghc-head' into HEAD
  

• 4b6e76b5
  by Patrick at 2024-03-07T22:09:30+08:00

  fix haskell/haddock#24493, with module name introduced in hieAst
  
  The accompanies haddoc PR with GHC PR https://gitlab.haskell.org/ghc/ghc/-/merge_requests/12153
  Two things have been done:
  1. Link is introduced to every `X` in `module X where`, since we introduce the module name to HieAst,
  2. `{-# LINE 4 "hypsrc-test/src/PositionPragmas.hs" #-}` is added before the `module PositionPragmas where` in ` hypsrc-test/ref/src/PositionPragmas.html `.It ensures only a single hieAst for file `hypsrc-test/src/PositionPragmas.hs` is generated.
  

• 635abccc
  by Ben Gamari at 2024-03-08T17:09:06-05:00

  Bump ghc version to 9.10
  

• 5b934048
  by Ben Gamari at 2024-03-08T18:50:12-05:00

  Bump base upper bound
  

• b30d134e
  by Ben Gamari at 2024-03-08T18:50:44-05:00

  Testsuite output update
  

• 9bdf3586
  by Ben Gamari at 2024-03-09T21:37:44-05:00

  Merge branch 'ghc-9.10' into ghc-head
  

• cec76981
  by Ben Gamari at 2024-03-09T21:54:00-05:00

  Bump GHC version to 9.11
  

• 4c59feb7
  by Ben Gamari at 2024-03-09T22:15:01-05:00

  Merge remote-tracking branch 'origin/ghc-head' into ghc-head
  

• dbdf1995
  by Alex Mason at 2024-04-15T15:28:26+10:00

  Implements MO_S_Mul2 and MO_U_Mul2 using the  UMULH, UMULL and SMULH instructions for AArch64
  
  Also adds a test for MO_S_Mul2
  

• 42bd0407
  by Teo Camarasu at 2024-04-16T20:06:39-04:00

  Make template-haskell a stage1 package
  
  Promoting template-haskell from a stage0 to a stage1 package means that
  we can much more easily refactor template-haskell.
  
  We implement this by duplicating the in-tree `template-haskell`.
  A new `template-haskell-next` library is autogenerated to mirror `template-haskell`
  `stage1:ghc` to depend on the new interface of the library including the
  `Binary` instances without adding an explicit dependency on `template-haskell`.
  
  This is controlled by the `bootstrap-th` cabal flag
  
  When building `template-haskell` modules as part of this vendoring we do
  not have access to quote syntax, so we cannot use variable quote
  notation (`'Just`). So we either replace these with hand-written `Name`s
  or hide the code behind CPP.
  
  We can remove the `th_hack` from hadrian, which was required when
  building stage0 packages using the in-tree `template-haskell` library.
  
  For more details see Note [Bootstrapping Template Haskell].
  
  Resolves #23536
  
  Co-Authored-By: Sebastian Graf <sgraf1337@gmail.com>
  Co-Authored-By: Matthew Craven <5086-clyring@users.noreply.gitlab.haskell.org>
  

• 3d973e47
  by Ben Gamari at 2024-04-16T20:07:15-04:00

  Bump parsec submodule to 3.1.17.0
  

• 9d38bfa0
  by Simon Peyton Jones at 2024-04-16T20:07:51-04:00

  Clone CoVars in CorePrep
  
  This MR addresses #24463.  It's all explained in the new
  
     Note [Cloning CoVars and TyVars]
  

• 0fe2b410
  by Andreas Klebinger at 2024-04-16T20:08:27-04:00

  NCG: Fix a bug where we errounously removed a required jump instruction.
  
  Add a new method to the Instruction class to check if we can eliminate a
  jump in favour of fallthrough control flow.
  
  Fixes #24507
  

• 9f99126a
  by Teo Camarasu at 2024-04-16T20:09:04-04:00

  Fix documentation preview from doc-tarball job
  
  - Include all the .html files and assets in the job artefacts
  - Include all the .pdf files in the job artefacts
  - Mark the artefact as an "exposed" artefact meaning it turns up in the
    UI.
  
  Resolves #24651
  

• 3a0642ea
  by Ben Gamari at 2024-04-16T20:09:39-04:00

  rts: Ignore EINTR while polling in timerfd itimer implementation
  
  While the RTS does attempt to mask signals, it may be that a foreign
  library unmasks them. This previously caused benign warnings which we
  now ignore.
  
  See #24610.
  

• 9a53cd3f
  by Alan Zimmerman at 2024-04-16T20:10:15-04:00

  EPA: Add additional comments field to AnnsModule
  
  This is used in exact printing to store comments coming after the
  `where` keyword but before any comments allocated to imports or decls.
  
  It is used in ghc-exactprint, see
  https://github.com/alanz/ghc-exactprint/commit/44bbed311fd8f0d053053fef195bf47c17d34fa7
  

• e5c43259
  by Bryan Richter at 2024-04-16T20:10:51-04:00

  Remove unrunnable FreeBSD CI jobs
  
  FreeBSD runner supply is inelastic. Currently there is only one, and
  it's unavailable because of a hardware issue.
  

• 914eb49a
  by Ben Gamari at 2024-04-16T20:11:27-04:00

  rel-eng: Fix mktemp usage in recompress-all
  
  We need a temporary directory, not a file.
  

• f30e4984
  by Teo Camarasu at 2024-04-16T20:12:03-04:00

  Fix ghc API link in docs/index.html
  
  This was missing part of the unit ID meaning it would 404.
  
  Resolves #24674
  

• d7a3d6b5
  by Ben Gamari at 2024-04-16T20:12:39-04:00

  template-haskell: Declare TH.Lib.Internal as not-home
  
  Rather than `hide`.
  
  Closes #24659.
  

• 5eaa46e7
  by Matthew Pickering at 2024-04-19T02:14:55-04:00

  testsuite: Rename isCross() predicate to needsTargetWrapper()
  
  isCross() was a misnamed because it assumed that all cross targets would
  provide a target wrapper, but the two most common cross targets
  (javascript, wasm) don't need a target wrapper.
  
  Therefore we rename this predicate to `needsTargetWrapper()` so
  situations in the testsuite where we can check whether running
  executables requires a target wrapper or not.
  

• 55a9d699
  by Simon Peyton Jones at 2024-04-19T02:15:32-04:00

  Do not float HNFs out of lambdas
  
  This MR adjusts SetLevels so that it is less eager to float a
  HNF (lambda or constructor application) out of a lambda, unless
  it gets to top level.
  
  Data suggests that this change is a small net win:
   * nofib bytes-allocated falls by -0.09% (but a couple go up)
   * perf/should_compile bytes-allocated falls by -0.5%
   * perf/should_run bytes-allocated falls by -0.1%
  See !12410 for more detail.
  
  When fiddling elsewhere, I also found that this patch had a huge
  positive effect on the (very delicate) test
    perf/should_run/T21839r
  But that improvement doesn't show up in this MR by itself.
  
  Metric Decrease:
      MultiLayerModulesRecomp
      T15703
      parsing001
  

• f0701585
  by Alan Zimmerman at 2024-04-19T02:16:08-04:00

  EPA: Fix comments in mkListSyntaxTy0
  
  Also extend the test to confirm.
  
  Addresses #24669, 1 of 4
  

• b01c01d4
  by Serge S. Gulin at 2024-04-19T02:16:51-04:00

  JS: set image `x86_64-linux-deb11-emsdk-closure` for build
  

• c90c6039
  by Alan Zimmerman at 2024-04-19T02:17:27-04:00

  EPA: Provide correct span for PatBind
  
  And remove unused parameter in checkPatBind
  
  Contributes to #24669
  

• bee54c24
  by Krzysztof Gogolewski at 2024-04-19T11:13:00+02:00

  Update quantification order following GHC haskell/haddock#23764
  

• 2814eb89
  by Ben Gamari at 2024-04-19T18:57:05+02:00

  hypsrc-test: Fix output of PositionPragmas.html
  

• 26036f96
  by Alan Zimmerman at 2024-04-19T13:11:08-04:00

  EPA: Fix span for PatBuilderAppType
  
  Include the location of the prefix @ in the span for InVisPat.
  
  Also removes unnecessary annotations from HsTP.
  
  Contributes to #24669
  

• dba03aab
  by Matthew Craven at 2024-04-19T13:11:44-04:00

  testsuite: Give the pre_cmd for mhu-perf more time
  

• d31fbf6c
  by Krzysztof Gogolewski at 2024-04-19T21:04:09-04:00

  Fix quantification order for a `op` b and a %m -> b
  
  Fixes #23764
  
  Implements https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0640-tyop-quantification-order.rst
  
  Updates haddock submodule.
  

• 385cd1c4
  by Sebastian Graf at 2024-04-19T21:04:45-04:00

  Make `seq#` a magic Id and inline it in CorePrep (#24124)
  
  We can save much code and explanation in Tag Inference and StgToCmm by making
  `seq#` a known-key Magic Id in `GHC.Internal.IO` and inline this definition in
  CorePrep. See the updated `Note [seq# magic]`.
  I also implemented a new `Note [Flatten case-bind]` to get better code for
  otherwise nested case scrutinees.
  
  I renamed the contructors of `ArgInfo` to use an `AI` prefix in order to
  resolve the clash between `type CpeApp = CoreExpr` and the data constructor of
  `ArgInfo`, as well as fixed typos in `Note [CorePrep invariants]`.
  
  Fixes #24252 and #24124.
  

• 275e41a9
  by Jade at 2024-04-20T11:10:40-04:00

  Put the newline after errors instead of before them
  
  This mainly has consequences for GHCi but also slightly alters how the
  output of GHC on the commandline looks.
  
  Fixes: #22499
  

• dd339c7a
  by Teo Camarasu at 2024-04-20T11:11:16-04:00

  Remove unecessary stage0 packages
  
  Historically quite a few packages had to be stage0 as they depended on
  `template-haskell` and that was stage0. In #23536 we made it so that was
  no longer the case. This allows us to remove a bunch of packages from
  this list.
  
  A few still remain. A new version of `Win32` is required by
  `semaphore-compat`. Including `Win32` in the stage0 set requires also
  including `filepath` because otherwise Hadrian's dependency logic gets
  confused. Once our boot compiler has a newer version of `Win32` all of
  these will be able to be dropped.
  
  Resolves #24652
  

• 2f8e3a25
  by Alan Zimmerman at 2024-04-20T11:11:52-04:00

  EPA: Avoid duplicated comments in splice decls
  
  Contributes to #24669
  

• c70b9ddb
  by Serge S. Gulin at 2024-04-21T16:33:43+03:00

  JS: fix typos and namings (fixes #24602)
  
  You may noted that I've also changed term of
  
  ```
  , global "h$vt_double" ||= toJExpr IntV
  ```
  
  See "IntV"
  
  and
  
  ```
    WaitReadOp  -> \[] [fd] -> pure $ PRPrimCall $ returnS (app
  "h$waidRead" [fd])
  ```
  
  See "h$waidRead"
  

• 3db54f9b
  by Serge S. Gulin at 2024-04-21T16:33:43+03:00

  JS: trivial checks for variable presence (fixes #24602)
  

• 777f108f
  by Serge S. Gulin at 2024-04-21T16:33:43+03:00

  JS: fs module imported twice (by emscripten and by ghc-internal). ghc-internal import wrapped
  in a closure to prevent conflict with emscripten (fixes #24602)
  
  Better solution is to use some JavaScript module system like AMD, CommonJS or even UMD. It will be investigated at other issues.
  At first glance we should try UMD (See https://github.com/umdjs/umd)
  

• a45a5712
  by Serge S. Gulin at 2024-04-21T16:33:43+03:00

  JS: thread.js requires h$fds and h$fdReady to be declared for static code analysis, minimal
  code copied from GHCJS (fixes #24602)
  
  I've just copied some old pieces of GHCJS from publicly available sources (See https://github.com/Taneb/shims/blob/a6dd0202dcdb86ad63201495b8b5d9763483eb35/src/io.js#L607).
  Also I didn't put details to h$fds. I took minimal and left only its object initialization: `var h$fds = {};`
  

• ad90bf12
  by Serge S. Gulin at 2024-04-21T16:33:43+03:00

  JS: heap and stack overflows reporting defined as js hard failure (fixes #24602)
  
  These errors were treated as a hard failure for browser application. The fix is trivial: just throw error.
  

• 5962fa52
  by Serge S. Gulin at 2024-04-21T16:33:44+03:00

  JS: Stubs for code without actual implementation detected by Google Closure Compiler (fixes #24602)
  
  These errors were fixed just by introducing stubbed functions with throw for further implementation.
  

• a0694298
  by Serge S. Gulin at 2024-04-21T16:34:07+03:00

  JS: Add externs to linker (fixes #24602)
  
  After enabling jsdoc and built-in google closure compiler types I was needed to deal with the following:
  
  1. Define NodeJS-environment types. I've just copied minimal set of externs from semi-official repo (see https://github.com/externs/nodejs/blob/6c6882c73efcdceecf42e7ba11f1e3e5c9c041f0/v8/nodejs.js#L8).
  2. Define Emscripten-environment types: `HEAP8`. Emscripten already provides some externs in our code but it supposed to be run in some module system. And its definitions do not work well in plain bundle.
  3. We have some functions which purpose is to add to functions some contextual information via function properties. These functions should be marked as `modifies` to let google closure compiler remove calls if these functions are not used actually by call graph. Such functions are: `h$o`, `h$sti`, `h$init_closure`, `h$setObjInfo`.
  4. STG primitives such as registries and stuff from `GHC.StgToJS`. `dXX` properties were already present at externs generator function but they are started from `7`, not from `1`. This message is related: `// fixme does closure compiler bite us here?`
  

• e58bb29f
  by Serge S. Gulin at 2024-04-21T16:34:07+03:00

  JS: added both tests: for size and for correctness (fixes #24602)
  
  By some reason MacOS builds add to stderr messages like:
  
      Ignoring unexpected archive entry:
      __.SYMDEF
      ...
  
  However I left stderr to `/dev/null` for compatibility with linux CI builds.
  

• 909f3a9c
  by Serge S. Gulin at 2024-04-21T16:34:07+03:00

  JS: Disable js linker warning for empty symbol table to make js tests running consistent across environments
  

• 83eb10da
  by Serge S. Gulin at 2024-04-21T16:34:07+03:00

  JS: Add special preprocessor for js files due of needing to keep jsdoc comments (fixes #24602)
  
  Our js files have defined google closure compiler types at jsdoc entries but these jsdoc entries are removed by cpp preprocessor. I considered that reusing them in javascript-backend would be a nice thing. Right now haskell processor uses `-traditional` option to deal with comments and `//` operators.
  But now there are following compiler options: `-C` and `-CC`.
  You can read about them at GCC (see https://gcc.gnu.org/onlinedocs/gcc/Preprocessor-Options.html#index-CC) and CLang (see https://clang.llvm.org/docs/ClangCommandLineReference.html#cmdoption-clang-CC).
  It seems that `-CC` works better for javascript jsdoc than `-traditional`.
  At least it leaves `/* ... */` comments w/o changes.
  

• e1cf8dc2
  by brandon s allbery kf8nh at 2024-04-22T03:48:26-04:00

  fix link in CODEOWNERS
  
  It seems that our local Gitlab no longer has documentation for the
  `CODEOWNERS` file, but the master documentation still does. Use
  that instead.
  

• a27c6a49
  by Fendor at 2024-04-22T10:13:03+02:00

  Adapt to UserData split
  

• 1efc5a7a
  by Fendor at 2024-04-22T10:13:03+02:00

  Adapt to BinHandle split
  

• 593f4e04
  by Fendor at 2024-04-23T10:19:14-04:00

  Add performance regression test for '-fwrite-simplified-core'
  

• 1ba39b05
  by Fendor at 2024-04-23T10:19:14-04:00

  Typecheck corebindings lazily during bytecode generation
  
  This delays typechecking the corebindings until the bytecode generation
  happens.
  
  We also avoid allocating a thunk that is retained by `unsafeInterleaveIO`.
  In general, we shouldn't retain values of the hydrated `Type`, as not evaluating
  the bytecode object keeps it alive.
  
  It is better if we retain the unhydrated `IfaceType`.
  
  See Note [Hydrating Modules]
  

• e916fc92
  by Alan Zimmerman at 2024-04-23T10:19:50-04:00

  EPA: Keep comments in a CaseAlt match
  
  The comments now live in the surrounding location, not inside the
  Match. Make sure we keep them.
  
  Closes #24707
  

• d2b17f32
  by Cheng Shao at 2024-04-23T15:01:22-04:00

  driver: force merge objects when building dynamic objects
  
  This patch forces the driver to always merge objects when building
  dynamic objects even when ar -L is supported. It is an oversight of
  !8887: original rationale of that patch is favoring the relatively
  cheap ar -L operation over object merging when ar -L is supported,
  which makes sense but only if we are building static objects! Omitting
  check for whether we are building dynamic objects will result in
  broken .so files with undefined reference errors at executable link
  time when building GHC with llvm-ar. Fixes #22210.
  

• 209d09f5
  by Julian Ospald at 2024-04-23T15:02:03-04:00

  Allow non-absolute values for bootstrap GHC variable
  
  Fixes #24682
  

• 3fff0977
  by Matthew Pickering at 2024-04-23T15:02:38-04:00

  Don't depend on registerPackage function in Cabal
  
  More recent versions of Cabal modify the behaviour of libAbiHash which
  breaks our usage of registerPackage.
  
  It is simpler to inline the part of registerPackage that we need and
  avoid any additional dependency and complication using the higher-level
  function introduces.
  

• c62dc317
  by Cheng Shao at 2024-04-25T01:32:02-04:00

  ghc-bignum: remove obsolete ln script
  
  This commit removes an obsolete ln script in ghc-bignum/gmp. See
  060251c24ad160264ae8553efecbb8bed2f06360 for its original intention,
  but it's been obsolete for a long time, especially since the removal
  of the make build system. Hence the house cleaning.
  

• 6399d52b
  by Cheng Shao at 2024-04-25T01:32:02-04:00

  ghc-bignum: update gmp to 6.3.0
  
  This patch bumps the gmp-tarballs submodule and updates gmp to 6.3.0.
  The tarball format is now xz, and gmpsrc.patch has been patched into
  the tarball so hadrian no longer needs to deal with patching logic
  when building in-tree GMP.
  

• 65b4b92f
  by Cheng Shao at 2024-04-25T01:32:02-04:00

  hadrian: remove obsolete Patch logic
  
  This commit removes obsolete Patch logic from hadrian, given we no
  longer need to patch the gmp tarball when building in-tree GMP.
  

• 71f28958
  by Cheng Shao at 2024-04-25T01:32:02-04:00

  autoconf: remove obsolete patch detection
  
  This commit removes obsolete deletection logic of the patch command
  from autoconf scripts, given we no longer need to patch anything in
  the GHC build process.
  

• daeda834
  by Sylvain Henry at 2024-04-25T01:32:43-04:00

  JS: correctly handle RUBBISH literals (#24664)
  

• 8a06ddf6
  by Matthew Pickering at 2024-04-25T11:16:16-04:00

  Linearise ghc-internal and base build
  
  This is achieved by requesting the final package database for
  ghc-internal, which mandates it is fully built as a dependency of
  configuring the `base` package. This is at the expense of cross-package
  parrallelism between ghc-internal and the base package.
  
  Fixes #24436
  

• 94da9365
  by Andrei Borzenkov at 2024-04-25T11:16:54-04:00

  Fix tuple puns renaming (24702)
  
  Move tuple renaming short cutter from `isBuiltInOcc_maybe` to `isPunOcc_maybe`, so we consider incoming module.
  
  I also fixed some hidden bugs that raised after the change was done.
  

• fa03b1fb
  by Fendor at 2024-04-26T18:03:13-04:00

  Refactor the Binary serialisation interface
  
  The goal is simplifiy adding deduplication tables to `ModIface`
  interface serialisation.
  
  We identify two main points of interest that make this difficult:
  
  1. UserData hardcodes what `Binary` instances can have deduplication
     tables. Moreover, it heavily uses partial functions.
  2. GHC.Iface.Binary hardcodes the deduplication tables for 'Name' and
     'FastString', making it difficult to add more deduplication.
  
  Instead of having a single `UserData` record with fields for all the
  types that can have deduplication tables, we allow to provide custom
  serialisers for any `Typeable`.
  These are wrapped in existentials and stored in a `Map` indexed by their
  respective `TypeRep`.
  The `Binary` instance of the type to deduplicate still needs to
  explicitly look up the decoder via `findUserDataReader` and
  `findUserDataWriter`, which is no worse than the status-quo.
  
  `Map` was chosen as microbenchmarks indicate it is the fastest for a
  small number of keys (< 10).
  
  To generalise the deduplication table serialisation mechanism, we
  introduce the types `ReaderTable` and `WriterTable` which provide a
  simple interface that is sufficient to implement a general purpose
  deduplication mechanism for `writeBinIface` and `readBinIface`.
  
  This allows us to provide a list of deduplication tables for
  serialisation that can be extended more easily, for example for
  `IfaceTyCon`, see the issue https://gitlab.haskell.org/ghc/ghc/-/issues/24540
  for more motivation.
  
  In addition to this refactoring, we split `UserData` into `ReaderUserData`
  and `WriterUserData`, to avoid partial functions and reduce overall
  memory usage, as we need fewer mutable variables.
  
  Bump haddock submodule to accomodate for `UserData` split.
  
  -------------------------
  Metric Increase:
      MultiLayerModulesTH_Make
      MultiLayerModulesRecomp
      T21839c
  -------------------------
  

• bac57298
  by Fendor at 2024-04-26T18:03:13-04:00

  Split `BinHandle` into `ReadBinHandle` and `WriteBinHandle`
  
  A `BinHandle` contains too much information for reading data.
  For example, it needs to keep a `FastMutInt` and a `IORef BinData`,
  when the non-mutable variants would suffice.
  
  Additionally, this change has the benefit that anyone can immediately
  tell whether the `BinHandle` is used for reading or writing.
  
  Bump haddock submodule BinHandle split.
  

• 4d6394dd
  by Simon Peyton Jones at 2024-04-26T18:03:49-04:00

  Fix missing escaping-kind check in tcPatSynSig
  
  Note [Escaping kind in type signatures] explains how we deal
  with escaping kinds in type signatures, e.g.
      f :: forall r (a :: TYPE r). a
  where the kind of the body is (TYPE r), but `r` is not in
  scope outside the forall-type.
  
  I had missed this subtlety in tcPatSynSig, leading to #24686.
  This MR fixes it; and a similar bug in tc_top_lhs_type. (The
  latter is tested by T24686a.)
  

• 981c2c2c
  by Alan Zimmerman at 2024-04-26T18:04:25-04:00

  EPA: check-exact: check that the roundtrip reproduces the source
  
  Closes #24670
  

• a8616747
  by Andrew Lelechenko at 2024-04-26T18:05:01-04:00

  Document that setEnv is not thread-safe
  

• 1e41de83
  by Bryan Richter at 2024-04-26T18:05:37-04:00

  CI: Work around frequent Signal 9 errors
  

• a6d5f9da
  by Naïm Favier at 2024-04-27T17:52:40-04:00

  ghc-internal: add MonadFix instance for (,)
  
  Closes https://gitlab.haskell.org/ghc/ghc/-/issues/24288, implements CLC
  proposal https://github.com/haskell/core-libraries-committee/issues/238.
  
  Adds a MonadFix instance for tuples, permitting value recursion in the
  "native" writer monad and bringing consistency with the existing
  instance for transformers's WriterT (and, to a lesser extent, for Solo).
  

• 64feadcd
  by Rodrigo Mesquita at 2024-04-27T17:53:16-04:00

  bindist: Fix xattr cleaning
  
  The original fix (725343aa) was incorrect because it used the shell
  bracket syntax which is the quoting syntax in autoconf, making the test
  for existence be incorrect and therefore `xattr` was never run.
  
  Fixes #24554
  

• e2094df3
  by damhiya at 2024-04-28T23:52:00+09:00

  Make read accepts binary integer formats
  
  CLC proposal : https://github.com/haskell/core-libraries-committee/issues/177
  

• c62239b7
  by Sylvain Henry at 2024-04-29T10:35:00+02:00

  Fix tests for T22229
  

• 1c2fd963
  by Alan Zimmerman at 2024-04-29T23:17:00-04:00

  EPA: Preserve comments in Match Pats
  
  Closes #24708
  Closes #24715
  Closes #24734
  

• 4189d17e
  by Sylvain Henry at 2024-04-29T23:17:42-04:00

  LLVM: better unreachable default destination in Switch (#24717)
  
  See added note.
  
  Co-authored-by: Siddharth Bhat <siddu.druid@gmail.com>
  

• a3725c88
  by Cheng Shao at 2024-04-29T23:18:20-04:00

  ci: enable wasm jobs for MRs with wasm label
  
  This patch enables wasm jobs for MRs with wasm label. Previously the
  wasm label didn't actually have any effect on the CI pipeline, and
  full-ci needed to be applied to run wasm jobs which was a waste of
  runners when working on the wasm backend, hence the fix here.
  

• 702f7964
  by Matthew Pickering at 2024-04-29T23:18:56-04:00

  Make interface files and object files depend on inplace .conf file
  
  A potential fix for #24737
  

• 728af21e
  by Cheng Shao at 2024-04-30T05:30:23-04:00

  utils: remove obsolete vagrant scripts
  
  Vagrantfile has long been removed in !5288. This commit further
  removes the obsolete vagrant scripts in the tree.
  

• 36f2c342
  by Cheng Shao at 2024-04-30T05:31:00-04:00

  Update autoconf scripts
  
  Scripts taken from autoconf 948ae97ca5703224bd3eada06b7a69f40dd15a02
  

• ecbf22a6
  by Ben Gamari at 2024-04-30T05:31:36-04:00

  ghcup-metadata: Drop output_name field
  
  This is entirely redundant to the filename of the URL. There is no
  compelling reason to name the downloaded file differently from its
  source.
  

• c56d728e
  by Zubin Duggal at 2024-04-30T22:45:09-04:00

  testsuite: Handle exceptions in framework_fail when testdir is not initialised
  
  When `framework_fail` is called before initialising testdir, it would fail with
  an exception reporting the testdir not being initialised instead of the actual failure.
  
  Ensure we report the actual reason for the failure instead of failing in this way.
  
  One way this can manifest is when trying to run a test that doesn't exist using `--only`
  

• d5bea4d6
  by Alan Zimmerman at 2024-04-30T22:45:45-04:00

  EPA: Fix range for GADT decl with sig only
  
  Closes #24714
  

• 4d78c53c
  by Sylvain Henry at 2024-05-01T17:23:06-04:00

  Fix TH dependencies (#22229)
  
  Add a dependency between Syntax and Internal (via module reexport).
  

• 37e38db4
  by Sylvain Henry at 2024-05-01T17:23:06-04:00

  Bump haddock submodule
  

• ca13075c
  by Sylvain Henry at 2024-05-01T17:23:47-04:00

  JS: cleanup to prepare for #24743
  

• 40026ac3
  by Alan Zimmerman at 2024-05-01T22:45:07-04:00

  EPA: Preserve comments for PrefixCon
  
  Preserve comments in
  
      fun (Con {- c1 -} a b)
          = undefined
  
  Closes #24736
  

• 92134789
  by Hécate Moonlight at 2024-05-01T22:45:42-04:00

  Correct `@since` metadata in HpcFlags
  
  It was introduced in base-4.20, not 4.22.
  Fix #24721
  

• a580722e
  by Cheng Shao at 2024-05-02T08:18:45-04:00

  testsuite: fix req_target_smp predicate
  

• ac9c5f84
  by Andreas Klebinger at 2024-05-02T08:18:45-04:00

  STM: Remove (unused)coarse grained locking.
  
  The STM code had a coarse grained locking mode guarded by #defines that was unused.
  This commit removes the code.
  

• 917ef81b
  by Andreas Klebinger at 2024-05-02T08:18:45-04:00

  STM: Be more optimistic when validating in-flight transactions.
  
  * Don't lock tvars when performing non-committal validation.
  * If we encounter a locked tvar don't consider it a failure.
  
  This means in-flight validation will only fail if committing at the
  moment of validation is *guaranteed* to fail.
  
  This prevents in-flight validation from failing spuriously if it happens in
  parallel on multiple threads or parallel to thread comitting.
  

• 167a56a0
  by Alan Zimmerman at 2024-05-02T08:19:22-04:00

  EPA: fix span for empty \case(s)
  
  In
      instance SDecide Nat where
        SZero %~ (SSucc _) = Disproved (\case)
  
  Ensure the span for the HsLam covers the full construct.
  
  Closes #24748
  

• 9bae34d8
  by doyougnu at 2024-05-02T15:41:08-04:00

  testsuite: expand size testing infrastructure
  
  - closes #24191
  - adds windows_skip, wasm_skip, wasm_arch, find_so, _find_so
  - path_from_ghcPkg, collect_size_ghc_pkg, collect_object_size, find_non_inplace functions to testsuite
  - adds on_windows and req_dynamic_ghc predicate to testsuite
  
  The design is to not make the testsuite too smart and simply offload to
  ghc-pkg for locations of object files and directories.
  

• b85b1199
  by Sylvain Henry at 2024-05-02T15:41:49-04:00

  GHCi: support inlining breakpoints (#24712)
  
  When a breakpoint is inlined, its context may change (e.g. tyvars in
  scope). We must take this into account and not used the breakpoint tick
  index as its sole identifier. Each instance of a breakpoint (even with
  the same tick index) now gets a different "info" index.
  
  We also need to distinguish modules:
  - tick module: module with the break array (tick counters, status, etc.)
  - info module: module having the CgBreakInfo (info at occurrence site)
  

• 649c24b9
  by Oleg Grenrus at 2024-05-03T20:45:42-04:00

  Expose constructors of SNat, SChar and SSymbol in ghc-internal
  

• d603f199
  by Mikolaj Konarski at 2024-05-03T20:46:19-04:00

  Add DCoVarSet to PluginProv (!12037)
  

• ba480026
  by Serge S. Gulin at 2024-05-03T20:47:01-04:00

  JS: Enable more efficient packing of string data (fixes #24706)
  

• be1e60ee
  by Simon Peyton Jones at 2024-05-03T20:47:37-04:00

  Track in-scope variables in ruleCheckProgram
  
  This small patch fixes #24726, by tracking in-scope variables
  properly in -drule-check.  Not hard to do!
  

• 58408c77
  by Simon Peyton Jones at 2024-05-03T20:47:37-04:00

  Add a couple more HasCallStack constraints in SimpleOpt
  
  Just for debugging, no effect on normal code
  

• 70e245e8
  by Simon Peyton Jones at 2024-05-03T20:47:37-04:00

  Add comments to Prep.hs
  
  This documentation patch fixes a TODO left over from !12364
  

• e5687186
  by Simon Peyton Jones at 2024-05-03T20:47:37-04:00

  Use HasDebugCallStack, rather than HasCallStack
  

• 631cefec
  by Cheng Shao at 2024-05-03T20:48:17-04:00

  driver: always merge objects when possible
  
  This patch makes the driver always merge objects with `ld -r` when
  possible, and only fall back to calling `ar -L` when merge objects
  command is unavailable. This completely reverts !8887 and !12313,
  given more fixes in Cabal seems to be needed to avoid breaking certain
  configurations and the maintainence cost is exceeding the behefits in
  this case :/
  

• 1dacb506
  by Ben Gamari at 2024-05-03T20:48:53-04:00

  Bump time submodule to 1.14
  
  As requested in #24528.
  
  -------------------------
  Metric Decrease:
      ghc_bignum_so
      rts_so
  Metric Increase:
      cabal_syntax_dir
      rts_so
      time_dir
      time_so
  -------------------------
  

• 4941b90e
  by Ben Gamari at 2024-05-03T20:48:53-04:00

  Bump terminfo submodule to current master
  

• 43d48b44
  by Cheng Shao at 2024-05-03T20:49:30-04:00

  wasm: use scheduler.postTask() for context switch when available
  
  This patch makes use of scheduler.postTask() for JSFFI context switch
  when it's available. It's a more principled approach than our
  MessageChannel based setImmediate() implementation, and it's available
  in latest version of Chromium based browsers.
  

• 08207501
  by Cheng Shao at 2024-05-03T20:50:08-04:00

  testsuite: give pre_cmd for mhu-perf 5x time
  

• bf3d4db0
  by Alan Zimmerman at 2024-05-03T20:50:43-04:00

  EPA: Preserve comments for pattern synonym sig
  
  Closes #24749
  

• c49493f2
  by Matthew Pickering at 2024-05-04T06:02:57-04:00

  tests: Widen acceptance window for dir and so size tests
  
  These are testing things which are sometimes out the control of a GHC
  developer. Therefore we shouldn't fail CI if something about these
  dependencies change because we can't do anything about it.
  
  It is still useful to have these statistics for visualisation in grafana
  though.
  
  Ticket #24759
  

• 9562808d
  by Matthew Pickering at 2024-05-04T06:02:57-04:00

  Disable rts_so test
  
  It has already manifested large fluctuations and destabilising CI
  
  Fixes #24762
  

• fc24c5cf
  by Ryan Scott at 2024-05-04T06:03:33-04:00

  unboxedSum{Type,Data}Name: Use GHC.Types as the module
  
  Unboxed sum constructors are now defined in the `GHC.Types` module, so if you
  manually quote an unboxed sum (e.g., `''Sum2#`), you will get a `Name` like:
  
  ```hs
  GHC.Types.Sum2#
  ```
  
  The `unboxedSumTypeName` function in `template-haskell`, however, mistakenly
  believes that unboxed sum constructors are defined in `GHC.Prim`, so
  `unboxedSumTypeName 2` would return an entirely different `Name`:
  
  ```hs
  GHC.Prim.(#|#)
  ```
  
  This is a problem for Template Haskell users, as it means that they can't be
  sure which `Name` is the correct one. (Similarly for `unboxedSumDataName`.)
  
  This patch fixes the implementations of `unboxedSum{Type,Data}Name` to use
  `GHC.Types` as the module. For consistency with `unboxedTupleTypeName`, the
  `unboxedSumTypeName` function now uses the non-punned syntax for unboxed sums
  (`Sum<N>#`) as the `OccName`.
  
  Fixes #24750.
  

• 7eab4e01
  by Alan Zimmerman at 2024-05-04T16:14:55+01:00

  EPA: Widen stmtslist to include last semicolon
  
  Closes #24754
  

• 06f7db40
  by Teo Camarasu at 2024-05-05T00:19:38-04:00

  doc: Fix type error in hs_try_putmvar example

• af000532
  by Moritz Schuler at 2024-05-05T06:30:58-04:00

  Fix parsing of module names in CLI arguments
    closes issue #24732
  

• da74e9c9
  by Ben Gamari at 2024-05-05T06:31:34-04:00

  ghc-platform: Add Setup.hs
  
  The Hadrian bootstrapping script relies upon `Setup.hs` to drive its
  build.
  
  Addresses #24761.
  

• 35d34fde
  by Alan Zimmerman at 2024-05-05T12:52:40-04:00

  EPA: preserve comments in class and data decls
  
  Fix checkTyClHdr which was discarding comments.
  
  Closes #24755
  

• 03c5dfbf
  by Simon Peyton Jones at 2024-05-05T12:53:15-04:00

  Fix a float-out error
  
  Ticket #24768 showed that the Simplifier was accidentally destroying
  a join point.  It turned out to be that we were sending a bottoming
  join point to the top, accidentally abstracting over /other/ join
  points.
  
  Easily fixed.
  

• adba68e7
  by John Ericson at 2024-05-05T19:35:56-04:00

  Substitute bindist files with Hadrian not configure
  
  The `ghc-toolchain` overhaul will eventually replace all this stuff with
  something much more cleaned up, but I think it is still worth making
  this sort of cleanup in the meantime so other untanglings and dead code
  cleaning can procede.
  
  I was able to delete a fair amount of dead code doing this too.
  
  `LLVMTarget_CPP` is renamed to / merged with `LLVMTarget` because it
  wasn't actually turned into a valid CPP identifier. (Original to
  1345c7cc42c45e63ab1726a8fd24a7e4d4222467, actually.)
  
  Progress on #23966
  
  Co-Authored-By: Sylvain Henry <hsyl20@gmail.com>
  

• 18f4ff84
  by Alan Zimmerman at 2024-05-05T19:36:32-04:00

  EPA: fix mkHsOpTyPV duplicating comments
  
  Closes #24753
  

• a19201d4
  by Matthew Craven at 2024-05-06T19:54:29-04:00

  Add test cases for #24664
  
  ...since none are present in the original MR !12463 fixing this issue.
  

• 46328a49
  by Alan Zimmerman at 2024-05-06T19:55:05-04:00

  EPA: preserve comments in data decls
  
  Closes #24771
  

• 3b51995c
  by Andrei Borzenkov at 2024-05-07T14:39:40-04:00

  Rename Solo# data constructor to MkSolo# (#24673)
  
  - data Solo# a = (# a #)
  + data Solo# a = MkSolo# a
  
  And `(# foo #)` syntax now becomes just a syntactic
  sugar for `MkSolo# a`.
  

• 4d59abf2
  by Arsen Arsenović at 2024-05-07T14:40:24-04:00

  Add the cmm_cpp_is_gcc predicate to the testsuite
  
  A future C-- test called T24474-cmm-override-g0 relies on the
  GCC-specific behaviour of -g3 implying -dD, which, in turn, leads to it
  emitting #defines past the preprocessing stage.  Clang, at least, does
  not do this, so the test would fail if ran on Clang.
  
  As the behaviour here being tested is ``-optCmmP-g3'' undoing effects of
  the workaround we apply as a fix for bug #24474, and the workaround was
  for GCC-specific behaviour, the test needs to be marked as fragile on
  other compilers.
  

• 25b0b404
  by Arsen Arsenović at 2024-05-07T14:40:24-04:00

  Split out the C-- preprocessor, and make it pass -g0
  
  Previously, C-- was processed with the C preprocessor program.  This
  means that it inherited flags passed via -optc.  A flag that is somewhat
  often passed through -optc is -g.  At certain -g levels (>=2), GCC
  starts emitting defines *after* preprocessing, for the purposes of
  debug info generation.  This is not useful for the C-- compiler, and, in
  fact, causes lexer errors.  We can suppress this effect (safely, if
  supported) via -g0.
  
  As a workaround, in older versions of GCC (<=10), GCC only emitted
  defines if a certain set of -g*3 flags was passed.  Newer versions check
  the debug level.  For the former, we filter out those -g*3 flags and,
  for the latter, we specify -g0 on top of that.
  
  As a compatible and effective solution, this change adds a C--
  preprocessor distinct from the C compiler and preprocessor, but that
  keeps its flags.  The command line produced for C-- preprocessing now
  looks like:
  
    $pgmCmmP $optCs_without_g3 $g0_if_supported $optCmmP
  
  Closes: https://gitlab.haskell.org/ghc/ghc/-/issues/24474
  

• 9b4129a5
  by Andreas Klebinger at 2024-05-08T13:24:20-04:00

  -fprof-late: Only insert cost centres on functions/non-workfree cafs.
  
  They are usually useless and doing so for data values comes with
  a large compile time/code size overhead.
  
  Fixes #24103
  

• 259b63d3
  by Sebastian Graf at 2024-05-08T13:24:57-04:00

  Simplifier: Preserve OccInfo on DataAlt fields when case binder is dead (#24770)
  
  See the adjusted `Note [DataAlt occ info]`.
  This change also has a positive repercussion on
  `Note [Combine case alts: awkward corner]`.
  
  Fixes #24770.
  
  We now try not to call `dataConRepStrictness` in `adjustFieldsIdInfo` when all
  fields are lazy anyway, leading to a 2% ghc/alloc decrease in T9675.
  
  Metric Decrease:
      T9675
  

• 31b28cdb
  by Sebastian Graf at 2024-05-08T13:24:57-04:00

  Kill seqRule, discard dead seq# in Prep (#24334)
  
  Discarding seq#s in Core land via `seqRule` was problematic; see #24334.
  So instead we discard certain dead, discardable seq#s in Prep now.
  See the updated `Note [seq# magic]`.
  
  This fixes the symptoms of #24334.
  

• b2682534
  by Rodrigo Mesquita at 2024-05-10T01:47:51-04:00

  Document NcgImpl methods
  
  Fixes #19914
  

• 4d3acbcf
  by Zejun Wu at 2024-05-10T01:48:28-04:00

  Make renamer to be more flexible with parens in the LHS of the rules
  
  We used to reject LHS like `(f a) b` in RULES and requires it to be written as
  `f a b`. It will be handy to allow both as the expression may be more
  readable with extra parens in some cases when infix operator is involved.
  Espceially when TemplateHaskell is used, extra parens may be added out of
  user's control and result in "valid" rules being rejected and there
  are not always ways to workaround it.
  
  Fixes #24621
  

• ab840ce6
  by Ben Gamari at 2024-05-10T01:49:04-04:00

  IPE: Eliminate dependency on Read
  
  Instead of encoding the closure type as decimal string we now simply
  represent it as an integer, eliminating the need for `Read` in
  `GHC.Internal.InfoProv.Types.peekInfoProv`.
  
  Closes #24504.
  
  -------------------------
  Metric Decrease:
      T24602_perf_size
      size_hello_artifact
  -------------------------
  

• a9979f55
  by Cheng Shao at 2024-05-10T01:49:43-04:00

  testsuite: fix testwsdeque with recent clang
  
  This patch fixes compilation of testwsdeque.c with recent versions of
  clang, which will fail with the error below:
  
  ```
  testwsdeque.c:95:33: error:
       warning: format specifies type 'long' but the argument has type 'void *' [-Wformat]
         95 |         barf("FAIL: %ld %d %d", p, n, val);
            |                     ~~~         ^
  
  testwsdeque.c:95:39: error:
       warning: format specifies type 'int' but the argument has type 'StgWord' (aka 'unsigned long') [-Wformat]
         95 |         barf("FAIL: %ld %d %d", p, n, val);
            |                            ~~         ^~~
            |                            %lu
  
  testwsdeque.c:133:42: error:
       error: incompatible function pointer types passing 'void (void *)' to parameter of type 'OSThreadProc *' (aka 'void *(*)(void *)') [-Wincompatible-function-pointer-types]
        133 |         createOSThread(&ids[n], "thief", thief, (void*)(StgWord)n);
            |                                          ^~~~~
  
  /workspace/ghc/_build/stage1/lib/../lib/x86_64-linux-ghc-9.11.20240502/rts-1.0.2/include/rts/OSThreads.h:193:51: error:
       note: passing argument to parameter 'startProc' here
        193 |                                     OSThreadProc *startProc, void *param);
            |                                                   ^
  
  2 warnings and 1 error generated.
  ```
  

• c2b33fc9
  by Rodrigo Mesquita at 2024-05-10T01:50:20-04:00

  Rename pre-processor invocation args
  
  Small clean up. Uses proper names for the various groups of arguments
  that make up the pre-processor invocation.
  

• 2b1af08b
  by Cheng Shao at 2024-05-10T01:50:55-04:00

  ghc-heap: fix typo in ghc-heap cbits
  

• fc2d6de1
  by Jade at 2024-05-10T21:07:16-04:00

  Improve performance of Data.List.sort(By)
  
  This patch improves the algorithm to sort lists in base.
  It does so using two strategies:
  
  1) Use a four-way-merge instead of the 'default' two-way-merge.
  This is able to save comparisons and allocations.
  
  2) Use `(>) a b` over `compare a b == GT` and allow inlining and specialization.
  This mainly benefits types with a fast (>).
  
  Note that this *may* break instances with a *malformed* Ord instance
  where `a > b` is *not* equal to `compare a b == GT`.
  
  CLC proposal: https://github.com/haskell/core-libraries-committee/issues/236
  
  Fixes #24280
  
  -------------------------
  Metric Decrease:
      MultiLayerModulesTH_Make
      T10421
      T13719
      T15164
      T18698a
      T18698b
      T1969
      T9872a
      T9961
      T18730
      WWRec
      T12425
      T15703
  -------------------------
  

• 1012e8aa
  by Matthew Pickering at 2024-05-10T21:07:52-04:00

  Revert "ghcup-metadata: Drop output_name field"
  
  This reverts commit ecbf22a6ac397a791204590f94c0afa82e29e79f.
  
  This breaks the ghcup metadata generation on the nightly jobs.
  

• daff1e30
  by Jannis at 2024-05-12T13:38:35-04:00

  Division by constants optimization
  

• 413217ba
  by Andreas Klebinger at 2024-05-12T13:39:11-04:00

  Tidy: Add flag to expose unfoldings if they take dictionary arguments.
  
  Add the flag `-fexpose-overloaded-unfoldings` to be able to control this
  behaviour.
  
  For ghc's boot libraries file size grew by less than 1% when it was
  enabled. However I refrained from enabling it by default for now.
  
  I've also added a section on specialization more broadly to the users
  guide.
  
  -------------------------
  Metric Decrease:
      MultiLayerModulesTH_OneShot
  Metric Increase:
      T12425
      T13386
      hard_hole_fits
  -------------------------
  

• c5d89412
  by Zubin Duggal at 2024-05-13T22:19:53-04:00

  Don't store a GlobalRdrEnv in `mi_globals` for GHCi.
  
  GHCi only needs the `mi_globals` field for modules imported with
  :module +*SomeModule.
  
  It uses this field to make the top level environment in `SomeModule` available
  to the repl.
  
  By default, only the first target in the command line parameters is
  "star" loaded into GHCi. Other modules have to be manually "star" loaded
  into the repl.
  
  Storing the top level GlobalRdrEnv for each module is very wasteful, especially
  given that we will most likely never need most of these environments.
  
  Instead we store only the information needed to reconstruct the top level environment
  in a module, which is the `IfaceTopEnv` data structure, consisting of all import statements
  as well as all top level symbols defined in the module (not taking export lists into account)
  
  When a particular module is "star-loaded" into GHCi (as the first commandline target, or via
  an explicit `:module +*SomeModule`, we reconstruct the top level environment on demand using
  the `IfaceTopEnv`.
  

• d65bf4a2
  by Fendor at 2024-05-13T22:20:30-04:00

  Add perf regression test for `-fwrite-if-simplified-core`
  

• 2c0f8ddb
  by Andrei Borzenkov at 2024-05-13T22:21:07-04:00

  Improve pattern to type pattern transformation (23739)
  
  `pat_to_type_pat` function now can handle more patterns:
    - TuplePat
    - ListPat
    - LitPat
    - NPat
    - ConPat
  
  Allowing these new constructors in type patterns significantly
  increases possible shapes of type patterns without `type` keyword.
  
  This patch also changes how lookups in `lookupOccRnConstr` are
  performed, because we need to fall back into
  types when we didn't find a constructor on data level to perform
  `ConPat` to type transformation properly.
  

• be514bb4
  by Cheng Shao at 2024-05-13T22:21:43-04:00

  hadrian: fix hadrian building with ghc-9.10.1
  

• ad38e954
  by Cheng Shao at 2024-05-13T22:21:43-04:00

  linters: fix lint-whitespace compilation with ghc-9.10.1
  

• a593f284
  by Andreas Klebinger at 2024-05-15T07:32:10-04:00

  Expand the `inline` rule to look through casts/ticks.
  
  Fixes #24808
  

• b1e0c313
  by Cheng Shao at 2024-05-15T07:32:46-04:00

  testsuite: bump PartialDownSweep timeout to 5x on wasm32
  

• b2227487
  by Fendor at 2024-05-15T17:14:06-04:00

  Add Eq and Ord instance to `IfaceType`
  
  We add an `Ord` instance so that we can store `IfaceType` in a
  `Data.Map` container.
  This is required to deduplicate `IfaceType` while writing `.hi` files to
  disk. Deduplication has many beneficial consequences to both file size
  and memory usage, as the deduplication enables implicit sharing of
  values.
  See issue #24540 for more motivation.
  
  The `Ord` instance would be unnecessary if we used a `TrieMap` instead
  of `Data.Map` for the deduplication process. While in theory this is
  clerarly the better option, experiments on the agda code base showed
  that a `TrieMap` implementation has worse run-time performance
  characteristics.
  
  To the change itself, we mostly derive `Eq` and `Ord`. This requires us
  to change occurrences of `FastString` with `LexicalFastString`, since
  `FastString` has no `Ord` instance.
  We change the definition of `IfLclName` to a newtype of
  `LexicalFastString`, to make such changes in the future easier.
  
  Bump haddock submodule for IfLclName changes
  

• d368f9a6
  by Fendor at 2024-05-15T17:14:06-04:00

  Move out LiteralMap to avoid cyclic module dependencies
  

• 2fcc09fd
  by Fendor at 2024-05-15T17:14:06-04:00

  Add deduplication table for `IfaceType`
  
  The type `IfaceType` is a highly redundant, tree-like data structure.
  While benchmarking, we realised that the high redundancy of `IfaceType`
  causes high memory consumption in GHCi sessions when byte code is
  embedded into the `.hi` file via `-fwrite-if-simplified-core` or
  `-fbyte-code-and-object-code`.
  Loading such `.hi` files from disk introduces many duplicates of
  memory expensive values in `IfaceType`, such as `IfaceTyCon`,
  `IfaceTyConApp`, `IA_Arg` and many more.
  
  We improve the memory behaviour of GHCi by adding an additional
  deduplication table for `IfaceType` to the serialisation of `ModIface`,
  similar to how we deduplicate `Name`s and `FastString`s.
  When reading the interface file back, the table allows us to automatically
  share identical values of `IfaceType`.
  
  To provide some numbers, we evaluated this patch on the agda code base.
  We loaded the full library from the `.hi` files, which contained the
  embedded core expressions (`-fwrite-if-simplified-core`).
  
  Before this patch:
  
  * Load time: 11.7 s, 2.5 GB maximum residency.
  
  After this patch:
  
  * Load time:  7.3 s, 1.7 GB maximum residency.
  
  This deduplication has the beneficial side effect to additionally reduce
  the size of the on-disk interface files tremendously.
  
  For example, on agda, we reduce the size of `.hi` files (with
  `-fwrite-if-simplified-core`):
  
  * Before: 101 MB on disk
  * Now:     24 MB on disk
  
  This has even a beneficial side effect on the cabal store. We reduce the
  size of the store on disk:
  
  * Before: 341 MB on disk
  * Now:    310 MB on disk
  
  Note, none of the dependencies have been compiled with
  `-fwrite-if-simplified-core`, but `IfaceType` occurs in multiple
  locations in a `ModIface`.
  
  We also add IfaceType deduplication table to .hie serialisation and
  refactor .hie file serialisation to use the same infrastrucutre as
  `putWithTables`.
  
  Bump haddock submodule to accomodate for changes to the deduplication
  table layout and binary interface.
  

• 36aa7cf1
  by Fendor at 2024-05-15T17:14:06-04:00

  Add run-time configurability of `.hi` file compression
  
  Introduce the flag `-fwrite-if-compression=<n>` which allows to
  configure the compression level of writing .hi files.
  
  The motivation is that some deduplication operations are too expensive
  for the average use case. Hence, we introduce multiple compression
  levels with variable impact on performance, but still reduce the
  memory residency and `.hi` file size on disk considerably.
  
  We introduce three compression levels:
  
  * `1`: `Normal` mode. This is the least amount of compression.
      It deduplicates only `Name` and `FastString`s, and is naturally the
      fastest compression mode.
  * `2`: `Safe` mode. It has a noticeable impact on .hi file size and is
    marginally slower than `Normal` mode. In general, it should be safe to
    always use `Safe` mode.
  * `3`: `Full` deduplication mode. Deduplicate as much as we can,
    resulting in minimal .hi files, but at the cost of additional
    compilation time.
  
  Reading .hi files doesn't need to know the initial compression level,
  and can always deserialise a `ModIface`, as we write out a byte that
  indicates the next value has been deduplicated.
  This allows users to experiment with different compression levels for
  packages, without recompilation of dependencies.
  
  Note, the deduplication also has an additional side effect of reduced
  memory consumption to implicit sharing of deduplicated elements.
  See https://gitlab.haskell.org/ghc/ghc/-/issues/24540 for example where
  that matters.
  
  -------------------------
  Metric Decrease:
      MultiLayerModulesDefsGhciWithCore
      T16875
      T21839c
      T24471
      hard_hole_fits
      libdir
  -------------------------
  

• 1e63a6fb
  by Matthew Pickering at 2024-05-15T17:14:07-04:00

  Introduce regression tests for `.hi` file sizes
  
  Add regression tests to track how `-fwrite-if-compression` levels affect
  the size of `.hi` files.
  

• 639d742b
  by M Farkas-Dyck at 2024-05-15T17:14:49-04:00

  TTG: ApplicativeStatement exist only in Rn and Tc
  
  Co-Authored-By: romes <rodrigo.m.mesquita@gmail.com>
  

• aa7b336b
  by Jade at 2024-05-15T23:06:17-04:00

  Documentation: Improve documentation for symbols exported from System.IO
  

• c561de8f
  by Jade at 2024-05-15T23:06:54-04:00

  Improve suggestions for language extensions
  
  - When suggesting Language extensions, also suggest Extensions which imply them
  - Suggest ExplicitForAll and GADTSyntax instead of more specific
    extensions
  - Rephrase suggestion to include the term 'Extension'
  - Also moves some flag specific definitions out of Session.hs into
  Flags.hs (#24478)
  
  Fixes: #24477
  Fixes: #24448
  Fixes: #10893
  

• 4c7ae2a1
  by Andreas Klebinger at 2024-05-15T23:07:30-04:00

  Testsuite: Check if llvm assembler is available for have_llvm
  

• bc672166
  by Torsten Schmits at 2024-05-15T23:08:06-04:00

  refactor quadratic search in warnMissingHomeModules
  

• 7875e8cb
  by Torsten Schmits at 2024-05-15T23:08:06-04:00

  add test that runs MakeDepend on thousands of modules
  

• b84b91f5
  by Adam Gundry at 2024-05-16T15:32:06-04:00

  Representation-polymorphic HasField (fixes #22156)
  
  This generalises the HasField class to support representation polymorphism,
  so that instead of
  
      type HasField :: forall {k} . k -> Type -> Type -> Constraint
  
  we have
  
      type HasField :: forall {k} {r_rep} {a_rep} . k -> TYPE r_rep -> TYPE a_rep -> Constraint
  

• 05285090
  by Matthew Pickering at 2024-05-16T15:32:43-04:00

  Bump os-string submodule to 2.0.2.2
  
  Closes #24786
  

• 886ab43a
  by Cheng Shao at 2024-05-17T01:34:50-04:00

  rts: do not prefetch mark_closure bdescr in non-moving gc when ASSERTS_ENABLED
  
  This commit fixes a small an oversight in !12148: the prefetch logic
  in non-moving GC may trap in debug RTS because it calls Bdescr() for
  mark_closure which may be a static one. It's fine in non-debug RTS
  because even invalid bdescr addresses are prefetched, they will not
  cause segfaults, so this commit implements the most straightforward
  fix: don't prefetch mark_closure bdescr when assertions are enabled.
  

• b38dcf39
  by Teo Camarasu at 2024-05-17T01:34:50-04:00

  rts: Allocate non-moving segments with megablocks
  
  Non-moving segments are 8 blocks long and need to be aligned.
  Previously we serviced allocations by grabbing 15 blocks, finding
  an aligned 8 block group in it and returning the rest.
  This proved to lead to high levels of fragmentation as a de-allocating a segment
  caused an 8 block gap to form, and this could not be reused for allocation.
  
  This patch introduces a segment allocator based around using entire
  megablocks to service segment allocations in bulk.
  
  When there are no free segments, we grab an entire megablock and fill it
  with aligned segments. As the megablock is free, we can easily guarantee
  alignment. Any unused segments are placed on a free list.
  
  It only makes sense to free segments in bulk when all of the segments in
  a megablock are freeable. After sweeping, we grab the free list, sort it,
  and find all groups of segments where they cover the megablock and free
  them.
  This introduces a period of time when free segments are not available to
  the mutator, but the risk that this would lead to excessive allocation
  is low. Right after sweep, we should have an abundance of partially full
  segments, and this pruning step is relatively quick.
  
  In implementing this we drop the logic that kept NONMOVING_MAX_FREE
  segments on the free list.
  
  We also introduce an eventlog event to log the amount of pruned/retained
  free segments.
  
  See Note [Segment allocation strategy]
  
  Resolves #24150
  
  -------------------------
  Metric Decrease:
      T13253
      T19695
  -------------------------
  

• 710665bd
  by Cheng Shao at 2024-05-17T01:35:30-04:00

  rts: fix I/O manager compilation errors for win32 target
  
  This patch fixes I/O manager compilation errors for win32 target
  discovered when cross-compiling to win32 using recent clang:
  
  ```
  rts/win32/ThrIOManager.c:117:7: error:
       error: call to undeclared function 'is_io_mng_native_p'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
        117 |   if (is_io_mng_native_p ()) {
            |       ^
      |
  117 |   if (is_io_mng_native_p ()) {
      |       ^
  
  1 error generated.
  `x86_64-w64-mingw32-clang' failed in phase `C Compiler'. (Exit code: 1)
  
  rts/fs.c:143:28: error:
       error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
        143 | int setErrNoFromWin32Error () {
            |                            ^
            |                             void
      |
  143 | int setErrNoFromWin32Error () {
      |                            ^
  
  1 error generated.
  `x86_64-w64-mingw32-clang' failed in phase `C Compiler'. (Exit code: 1)
  
  rts/win32/ConsoleHandler.c:227:9: error:
       error: call to undeclared function 'interruptIOManagerEvent'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
        227 |         interruptIOManagerEvent ();
            |         ^
      |
  227 |         interruptIOManagerEvent ();
      |         ^
  
  rts/win32/ConsoleHandler.c:227:9: error:
       note: did you mean 'getIOManagerEvent'?
      |
  227 |         interruptIOManagerEvent ();
      |         ^
  
  rts/include/rts/IOInterface.h:27:10: error:
       note: 'getIOManagerEvent' declared here
         27 | void *   getIOManagerEvent  (void);
            |          ^
     |
  27 | void *   getIOManagerEvent  (void);
     |          ^
  
  1 error generated.
  `x86_64-w64-mingw32-clang' failed in phase `C Compiler'. (Exit code: 1)
  
  rts/win32/ConsoleHandler.c:196:9: error:
       error: call to undeclared function 'setThreadLabel'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
        196 |         setThreadLabel(cap, t, "signal handler thread");
            |         ^
      |
  196 |         setThreadLabel(cap, t, "signal handler thread");
      |         ^
  
  rts/win32/ConsoleHandler.c:196:9: error:
       note: did you mean 'postThreadLabel'?
      |
  196 |         setThreadLabel(cap, t, "signal handler thread");
      |         ^
  
  rts/eventlog/EventLog.h:118:6: error:
       note: 'postThreadLabel' declared here
        118 | void postThreadLabel(Capability    *cap,
            |      ^
      |
  118 | void postThreadLabel(Capability    *cap,
      |      ^
  
  1 error generated.
  `x86_64-w64-mingw32-clang' failed in phase `C Compiler'. (Exit code: 1)
  ```
  

• 28b9cee0
  by Rodrigo Mesquita at 2024-05-17T01:36:05-04:00

  configure: Check C99-compat for Cmm preprocessor
  
  Fixes #24815
  

• 8927e0c3
  by Andreas Klebinger at 2024-05-17T01:36:41-04:00

  Ensure `tcHasFixedRuntimeRep (# #)` returns True.
  

• 04179044
  by doyougnu at 2024-05-17T09:00:32-04:00

  testsuite: make find_so regex less general
  
  Closes #24759
  
  Background. In MR !12372 we began tracking shared object files and
  directories sizes for dependencies. However, this broke  release builds
  because release builds alter the filenames swapping "in-place" for a
  hash. This was not considered in the MR and thus broke release
  pipelines. Furthermore, the rts_so test was found to be wildly varying
  and was therefore disabled in !12561.
  
  This commit fixes both of these issues:
  
  - fix the rts_so test by making the regex less general, now the rts_so
  test and all other foo.so tests must match
  "libHS<some-lib>-<version>-<hash|'in-place>-<ghc>". This prevents the
  rts_so test from accidentally matching different rts variants such as
  rts_threaded, which was the cause of the wild swings after !12372.
  
  - add logic to match either a hash or the string in-place. This should
  make the find_so function build agnostic.
  

• 0962b50d
  by Andreas Klebinger at 2024-05-17T09:01:08-04:00

  TagAnalysis: Treat all bottom ids as tagged during analysis.
  
  Ticket #24806 showed that we also need to treat dead end thunks as
  tagged during the analysis.
  

• 7eb9f184
  by Ben Gamari at 2024-05-17T11:23:37-04:00

  Remove haddock submodule
  
  In preparation for merge into the GHC, as proposed in #23178.
  

• 47b14dcc
  by Fendor at 2024-05-17T11:28:17-04:00

  Adapt to `IfLclName` newtype changes
  
  (cherry picked from commit a711607e29b925f3d69e27c5fde4ba655c711ff1)
  

• 6cc6681d
  by Fendor at 2024-05-17T11:28:17-04:00

  Add IfaceType deduplication table to interface file serialisation
  
  Although we do not really need it in the interface file serialisation,
  as the deserialisation uses `getWithUserData`, we need to mirror the
  structure `getWithUserData` expects. Thus, we write essentially an empty
  `IfaceType` table at the end of the file, as the interface file doesn't
  reference `IfaceType`.
  
  (cherry picked from commit c9bc29c6a708483d2abc3d8ec9262510ce87ca61)
  

• b9721206
  by Ben Gamari at 2024-05-17T11:30:22-04:00

  ghc-tags.yaml: Initial commit
  

• 074e7d8f
  by Ben Gamari at 2024-05-17T11:31:29-04:00

  fourmolu: Add configuration
  

• 151b1736
  by Ben Gamari at 2024-05-17T11:32:52-04:00

  Makefile: Rework for use by haddock developers
  
  Previously the Makefile was present only for GHC's old make-based build
  system. Now since the make-based build system is gone we can use it for
  more useful ends.
  

• a7dcf13b
  by Ben Gamari at 2024-05-17T11:36:14-04:00

  Reformat with fourmolu
  
  Using previously-added configuration and `fourmolu -i .`
  Note that we exclude the test-cases
  (`./{hoogle,html-hypsrc,latex}-test`) as they are sensitive to
  formatting.
  

• 0ea6017b
  by Ben Gamari at 2024-05-17T11:40:04-04:00

  Add 'utils/haddock/' from commit 'a7dcf13bfbb97b20e75cc8ce650e2bb628db4660'
  
  git-subtree-dir: utils/haddock
  git-subtree-mainline: 7eb9f1849b1c72a1c61dee88462b4244550406f3
  git-subtree-split: a7dcf13bfbb97b20e75cc8ce650e2bb628db4660
  

• aba1d304
  by Hécate Moonlight at 2024-05-17T11:40:48-04:00

  Add exceptions to the dangling notes list
  

• 527bfbfb
  by Hécate Moonlight at 2024-05-17T11:40:52-04:00

  Add haddock to the whitespace lint ignore list
  

• 43274677
  by Ben Gamari at 2024-05-17T11:41:20-04:00

  git-blame-ignore-revs: Ignore haddock reformatting
  

• 0e679e37
  by Fendor at 2024-05-18T00:27:24-04:00

  Pass cpp options to the CC builder in hadrian
  

• bb40244e
  by Sylvain Henry at 2024-05-18T00:28:06-04:00

  JS: fix allocation constant (fix #24746)
  

• 646d30ab
  by Jade at 2024-05-18T19:23:31+02:00

  Add highlighting for inline-code snippets in haddock
  

• 64459a3e
  by Hécate Moonlight at 2024-05-19T08:42:27-04:00

  haddock: Add a .readthedocs.yml file for online documentation
  

• 7d3d9bbf
  by Serge S. Gulin at 2024-05-19T18:47:05+00:00

  Unicode: General Category size test (related #24789)
  
  Added trivial size performance test which involves unicode general category usage via `read`.
  The `read` itself uses general category to detect spaces.
  
  The purpose for this test is to measure outcome of applying improvements at General Category representation in code discussed at #24789.
  

• 8e04efcf
  by Alan Zimmerman at 2024-05-19T21:29:34-04:00

  EPA: Remove redundant code
  
  Remove unused
    epAnnAnns function
    various cases for showAstData that no longer exist
  

• 071d7a1e
  by Rodrigo Mesquita at 2024-05-20T10:55:16-04:00

  Improve docs on closed type families in hs-boots
  
  Fixes #24776
  

• d9e2c119
  by Torsten Schmits at 2024-05-20T10:55:52-04:00

  Use default deviation for large-project test
  
  This new performance test has the purpose of detecting regressions in
  complexity in relation to the number of modules in a project, so 1%
  deviation is way too small to avoid false positives.
  

• 20b0136a
  by Ben Gamari at 2024-05-22T00:31:39-04:00

  ghcup-metadata: Various fixes from 9.10.1
  
  Use Debian 12/x86-64, Debian 10/aarch64, and Debian 11/aarch64 bindists
  where possible.
  

• 6838a7c3
  by Sylvain Henry at 2024-05-22T00:32:23-04:00

  Reverse arguments to stgCallocBytes (fix #24828)
  

• f50f46c3
  by Fendor at 2024-05-22T00:32:59-04:00

  Add log messages for Iface serialisation compression level
  
  Fix the label of the number of 'IfaceType' entries in the log message.
  Add log message for the compression level that is used to serialise a an
  interface file.
  
  Adds `Outputable` instance for 'CompressionIFace'.
  

• 3bad5d55
  by Hécate Moonlight at 2024-05-22T00:33:40-04:00

  base: Update doctests outputs
  
  ghc-internal: Update doctests outputs
  

• 9317c6fb
  by David Binder at 2024-05-22T00:34:21-04:00

  haddock: Fix the testsuites of the haddock-library
  
  - Apply all the metadata revisions from Hackage
    to the cabal file.
  - Fix the `ParserSpec.hs` file in the `spec`
    testsuite of haddock-library.
  - Make `CHANGES.md` an extra-doc-file instead of
    an extra-source-file.
  

• 54073b02
  by David Binder at 2024-05-22T00:34:21-04:00

  haddock: Fix parser of @since pragma
  
  The testsuite contained tests for annotations of
  the form `@since foo-bar-0.5.0`, but the parser was
  written incorrectly.
  

• ede6ede3
  by Matthew Pickering at 2024-05-22T00:34:57-04:00

  Fix nightly pages job
  
  It seems likely broken by 9f99126a which moved `index.html` from the
  root folder into `docs/` folder.
  
  Fixes #24840
  

• b7bcf729
  by Cheng Shao at 2024-05-22T00:35:32-04:00

  autoconf: remove unused context diff check
  
  This patch removes redundant autoconf check for the context diff
  program given it isn't actually been used anywhere, especially since
  make removal.
  

• ea2fe66e
  by Hécate Moonlight at 2024-05-22T00:36:13-04:00

  haddock: Rework the contributing guide
  

• 0f302a94
  by Hécate Moonlight at 2024-05-22T00:36:52-04:00

  haddock: Add module relationships diagrams of haddock-api and haddock-library
  

• d1a9f34f
  by Hécate Moonlight at 2024-05-22T00:36:52-04:00

  Add instructions
  

• b880ee80
  by Hécate Moonlight at 2024-05-22T00:36:52-04:00

  Add SVG outputs
  

• 6d7e6ad8
  by Ben Gamari at 2024-05-22T13:40:05-04:00

  rts: Fix size of StgOrigThunkInfo frames
  
  Previously the entry code of the `stg_orig_thunk` frame failed to
  account for the size of the profiling header as it hard-coded the frame
  size. Fix this.
  
  Fixes #24809.
  

• c645fe40
  by Fendor at 2024-05-22T13:40:05-04:00

  Add regression test T24809 for stg_orig_thunk_info_frame size
  

• 4181aa40
  by Andreas Klebinger at 2024-05-22T13:40:42-04:00

  bindists: Check for existence of share folder before trying to copy it.
  
  This folder isn't distributed in windows bindists
  
  A lack of doing so resulted us copying loads of files twice.
  

• d216510e
  by Matthew Pickering at 2024-05-22T13:40:42-04:00

  Remove ad-hoc installation of mingw toolchain in relocatable bindists
  
  This reverts 616ac30026e8dd7d2ebb98d92dde071eedf5d951
  
  The choice about whether to install mingw is taken in the installation
  makefile.
  
  This is also broken on non-windows systems.
  
  The actual issue was the EnableDistroToolchain variable wasn't declared
  in mk/config.mk and therefore the check to install mingw was failing.
  

• 7b4c1998
  by Cheng Shao at 2024-05-22T21:52:52-04:00

  testsuite: fix T17920 for wasm backend
  
  T17920 was marked as fragile on wasm before; it can be trivially fixed
  by avoiding calling variadic printf() in cmm.
  

• c739383b
  by Cheng Shao at 2024-05-22T21:53:29-04:00

  testsuite: bump T22744 timeout to 5x
  

• c4c6d714
  by Cheng Shao at 2024-05-22T21:54:06-04:00

  testsuite: don't attempt to detect host cpu features when testing cross ghc
  
  The testsuite driver CPU feature detection logic only detects host CPU
  and only makes sense when we are not testing a cross GHC.
  

• 3d9e4ce6
  by Simon Peyton Jones at 2024-05-22T21:54:43-04:00

  Better skolemisation
  
  As #24810 showed, it is (a little) better to skolemise en-bloc,
  so that Note [Let-bound skolems] fires more often.
  
  See Note [Skolemisation en bloc] in GHC.Tc.Utils.Instantiate.
  

• a3cd3a1d
  by Ryan Scott at 2024-05-22T21:55:19-04:00

  Add missing parenthesizePat in cvtp
  
  We need to ensure that the output of `cvtp` is parenthesized (at precedence
  `sigPrec`) so that any pattern signatures with a surrounding pattern signature
  can parse correctly.
  
  Fixes #24837.
  

• 4bb2a7cc
  by Hécate Moonlight at 2024-05-22T21:55:59-04:00

  [base] Document the memory overhead of ByteArray
  
  Add a diagram that shows the constituent parts of a ByteArray and their
  memory overhead.
  

• 8b2a016a
  by Hécate Moonlight at 2024-05-22T21:56:38-04:00

  Haddock: Add MR template for Haddock
  

• ead75532
  by Peter Trommler at 2024-05-23T02:28:05-04:00

  PPC: Support ELF v2 on powerpc64 big-endian
  
  Detect ELF v2 on PowerPC 64-bit systems. Check for `_CALL_ELF`
  preprocessor macro.
  
  Fixes #21191
  

• 9d4c10f2
  by Hécate Kleidukos at 2024-05-23T02:28:44-04:00

  gitlab: Add @Kleidukos to CODEOWNERS for utils/haddock
  

• 28e64170
  by Preetham Gujjula at 2024-05-23T07:20:48-04:00

  haddock: Add cabal-fmt to tools for `make style`
  

• 00126a89
  by Andrei Borzenkov at 2024-05-23T07:21:24-04:00

  haddock: fix verbosity option parsing
  

• a3e0b68b
  by Ryan Hendrickson at 2024-05-23T15:52:03-04:00

  base: specify tie-breaking behavior of min, max, and related list/Foldable functions
  

• bdcc0f37
  by doyougnu at 2024-05-24T07:51:18-04:00

  cmm: add word <-> double/float bitcast
  
  - closes: #25331
  
  This is the last step in the project plan described in #25331. This
  commit:
  
  - adds bitcast operands for x86_64, LLVM, aarch64
  - For PPC and i386 we resort to using the cmm implementations
  - renames conversion MachOps from Conv to Round|Truncate
  

• f0d257f7
  by Krzysztof Gogolewski at 2024-05-24T07:51:55-04:00

  StgToByteCode: minor refactor
  
  Some functions in StgToByteCode were filtering out void arguments.
  However, StgToByteCode is called after unarisation: the void arguments
  should have been removed earlier.
  Instead of filtering out, we assert that the args are non-void.
  

• 03137fd2
  by Krzysztof Gogolewski at 2024-05-24T07:51:55-04:00

  StgToByteCode: minor refactor
  
  `layoutNativeCall` was always called with a `primRepCmmType platform`
  callback. Hence we can put it inside of `layoutNativeCall` rather than
  repeat it.
  

• 27c430f3
  by David Binder at 2024-05-24T07:52:38-04:00

  haddock: Remove compatibility shims for GHC < 8.4 from haddock-library
  

• 8dd8a076
  by Cheng Shao at 2024-05-24T07:53:14-04:00

  compiler: avoid saving foreign call target to local when there are no caller-save GlobalRegs
  
  This patch makes the STG->Cmm backend avoid saving foreign call target
  to local when there are no caller-save GlobalRegs.
  
  Since 321941a8ebe25192cdeece723e1058f2f47809ea, when we lower a
  foreign call, we unconditionally save the foreign call target to a
  temporary local first, then rely on cmmSink to clean it up later,
  which only happens with -fcmm-sink (implied by -O) and not in
  unoptimized code.
  
  And this is troublesome for the wasm backend NCG, which needs to infer
  a foreign call target symbol's type signature from the Cmm call site.
  Previously, the NCG has been emitting incorrect type signatures for
  unoptimized code, which happens to work with `wasm-ld` most of the
  time, but this is never future-proof against upstream toolchain
  updates, and it causes horrible breakages when LTO objects are
  included in linker input. Hence this patch.
  

• 986df1ab
  by Cheng Shao at 2024-05-24T07:53:14-04:00

  testsuite: add callee-no-local regression test
  

• 52d62e2a
  by Sylvain Henry at 2024-05-24T07:53:57-04:00

  Fix HasCallStack leftovers from !12514 / #24726
  

• c5e00c35
  by crumbtoo at 2024-05-24T07:54:38-04:00

  user_guide: Fix typo in MultiWayIf chapter
  
  Close #24829
  

• bd323b0e
  by Ben Gamari at 2024-05-24T07:55:15-04:00

  base: Ensure that CHANGELOG is included in extra-source-files
  
  This was missed in the `ghc-internal` split.
  
  Closes #24831.
  

• 1bfd32e8
  by Ben Gamari at 2024-05-24T07:55:15-04:00

  base: Fix changelog reference to setBacktraceMechanismState
  
  (cherry picked from commit b63f7ba01fdfd98a01d2f0dec8d9262b3e595c5d)
  

• 43e8e4f3
  by Sylvain Henry at 2024-05-24T12:16:43-04:00

  Float/double unboxed literal support for HexFloatLiterals (fix #22155)
  

• 4a7f4713
  by Fendor at 2024-05-24T12:17:19-04:00

  Improve test labels for binary interface file size tests
  
  Test labels for binary interface file sizes are hard to read and overly
  verbose at the same time. Extend the name for the metric title, but
  shorten it in the actual comparison table.
  

• 14e554cf
  by Zubin Duggal at 2024-05-24T12:17:55-04:00

  Revert "Fix haskell/haddock#783 Don't show button if --quickjump not present"
  
  This reverts commit 7776566531e72c415f66dd3b13da9041c52076aa.
  

• f56838c3
  by Ben Gamari at 2024-05-24T12:17:55-04:00

  Fix default hyperlinked sources pattern
  
  Previously this didn't include the `%M` token which manifested as broken
  links to the hyperlinked sources of reexports of declarations defined
  in other packages.
  
  Fixes haddock#1628.
  
  (cherry picked from commit 1432bcc943d41736eca491ecec4eb9a6304dab36)
  

• 42efa62c
  by Ben Gamari at 2024-05-24T12:17:55-04:00

  Make DocPaths a proper data type
  
  (cherry picked from commit 7f3a5c4da0023ae47b4c376c9b1ea2d706c94d8c)
  

• 53d9ceb3
  by Ben Gamari at 2024-05-24T12:17:55-04:00

  haddock: Bump version to 2.30
  
  (cherry picked from commit 994989ed3d535177e57b778629726aeabe8c7602)
  

• e4db1112
  by Zubin Duggal at 2024-05-24T12:17:55-04:00

  haddock-api: allow base 4.20 and ghc 9.11
  

• e294f7a2
  by PHO at 2024-05-24T12:17:55-04:00

  Add a flag "threaded" for building haddock with the threaded RTS
  
  GHC isn't guaranteed to have a threaded RTS. There should be a way to build
  it with the vanilla one.
  
  (cherry picked from commit 75a94e010fb5b0236c670d22b04f5472397dc15d)
  

• 51165bc9
  by Andreas Klebinger at 2024-05-25T10:58:03-04:00

  Update ticky counter event docs.
  
  Add the info about the info table address and json fields.
  
  Fixes #23200
  

• 98597ad5
  by Sylvain Henry at 2024-05-25T10:58:45-04:00

  Export extractPromotedList (#24866)
  
  This can be useful in plugins.
  

• 228dcae6
  by Teo Camarasu at 2024-05-28T13:12:24+00:00

  template-haskell: Move wired-ins to ghc-internal
  
  Thus we make `template-haskell` reinstallable and keep it as the public
  API for Template Haskell.
  All of the wired-in identifiers are moved to `ghc-internal`.
  This necessitates also moving much of `ghc-boot-th` into `ghc-internal`.
  These modules are then re-exported from `ghc-boot-th` and
  `template-haskell`.
  To avoid a dependency on `template-haskell` from `lib:ghc`, we instead
  depend on the TH ASTs via `ghc-boot-th`.
  
  As `template-haskell` no longer has special status, we can drop the
  logic adding an implicit dependency on `template-haskell` when using TH.
  We can also drop the `template-haskell-next` package, which was
  previously used when bootstrapping.
  
  When bootstrapping, we need to vendor the TH AST modules from
  `ghc-internal` into `ghc-boot-th`. This is controlled by the `bootstrap`
  cabal flag as before. See Note [Bootstrapping Template Haskell].
  
  We split out a GHC.Internal.TH.Lift module resolving #24752.
  This module is only built when not bootstrapping.
  
  Resolves #24703
  
  -------------------------
  Metric Increase:
      ghc_boot_th_dir
      ghc_boot_th_so
  -------------------------
  

• 62dded28
  by Teo Camarasu at 2024-05-28T13:12:24+00:00

  testsuite: mark tests broken by #24886
  
  Now that `template-haskell` is no longer wired-in.
  These tests are triggering #24886, and so need to be marked broken.
  

• 3ca72ad9
  by Cheng Shao at 2024-05-30T02:57:06-04:00

  rts: fix missing function prototypes in ClosureMacros.h
  

• e0029e3d
  by Andreas Klebinger at 2024-05-30T02:57:43-04:00

  UnliftedFFITypes: Allow `(# #)` as argument when it's the only argument.
  
  This allows representing functions like:
  
      int foo(void);
  
  to be imported like this:
  
      foreign import ccall "a_number_c"
        c_number :: (# #) -> Int64#
  
  Which can be useful when the imported function isn't implicitly
  stateful.
  

• d0401335
  by Matthew Pickering at 2024-05-30T02:58:19-04:00

  ci: Update ci-images commit for fedora38 image
  
  The fedora38 nightly job has been failing for quite a while because
  `diff` was no longer installed. The ci-images bump explicitly installs
  `diffutils` into these images so hopefully they now pass again.
  

• 3c97c74a
  by Jan Hrček at 2024-05-30T02:58:58-04:00

  Update exactprint docs
  

• 77760cd7
  by Jan Hrček at 2024-05-30T02:58:58-04:00

  Incorporate review feedback
  

• 87591368
  by Jan Hrček at 2024-05-30T02:58:58-04:00

  Remove no longer relevant reference to comments
  

• 05f4f142
  by Jan Hrček at 2024-05-30T02:58:59-04:00

  Replace outdated code example
  

• 45a4a5f3
  by Andreas Klebinger at 2024-05-30T02:59:34-04:00

  Reword error resulting from missing -XBangPatterns.
  
  It can be the result of either a bang pattern or strict binding,
  so now we say so instead of claiming it must be a bang pattern.
  
  Fixes #21032
  

• e17f2df9
  by Cheng Shao at 2024-05-30T03:00:10-04:00

  testsuite: bump MultiLayerModulesDefsGhciReload timeout to 10x
  

• 7a660042
  by Cheng Shao at 2024-05-30T14:42:29-04:00

  rts: ensure gc_thread/gen_workspace is allocated with proper alignment
  
  gc_thread/gen_workspace are required to be aligned by 64 bytes.
  However, this property has not been properly enforced before, and
  numerous alignment violations at runtime has been caught by
  UndefinedBehaviorSanitizer that look like:
  
  ```
  rts/sm/GC.c:1167:8: runtime error: member access within misaligned address 0x0000027a3390 for type 'gc_thread' (aka 'struct gc_thread_'), which requires 64 byte alignment
  0x0000027a3390: note: pointer points here
   00 00 00 00  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  00 00 00 00
                ^
  SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rts/sm/GC.c:1167:8
  
  rts/sm/GC.c:1184:13: runtime error: member access within misaligned address 0x0000027a3450 for type 'gen_workspace' (aka 'struct gen_workspace_'), which requires 64 byte alignment
  0x0000027a3450: note: pointer points here
   00 00 00 00  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  00 00 00 00
                ^
  SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rts/sm/GC.c:1184:13
  ```
  
  This patch fixes the gc_thread/gen_workspace misalignment issue by
  explicitly allocating them with alignment constraint.
  

• c77a48af
  by Cheng Shao at 2024-05-30T14:42:29-04:00

  rts: fix an unaligned load in nonmoving gc
  
  This patch fixes an unaligned load in nonmoving gc by ensuring the
  closure address is properly untagged first before attempting to
  prefetch its header. The unaligned load is reported by
  UndefinedBehaviorSanitizer:
  
  ```
  rts/sm/NonMovingMark.c:921:9: runtime error: member access within misaligned address 0x0042005f3a71 for type 'StgClosure' (aka 'struct StgClosure_'), which requires 8 byte alignment
  0x0042005f3a71: note: pointer points here
   00 00 00  98 43 13 8e 12 7f 00 00  50 3c 5f 00 42 00 00 00  58 17 b7 92 12 7f 00 00  89 cb 5e 00 42
                ^
  SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rts/sm/NonMovingMark.c:921:9
  ```
  
  This issue had previously gone unnoticed since it didn't really harm
  runtime correctness, the invalid header address directly loaded from a
  tagged pointer is only used as prefetch address and will not cause
  segfaults. However, it still should be corrected because the prefetch
  would be rendered useless by this issue, and untagging only involves a
  single bitwise operation without memory access so it's cheap enough to
  add.
  

• 05c4fafb
  by Cheng Shao at 2024-05-30T14:42:29-04:00

  rts: use __builtin_offsetof to implement STG_FIELD_OFFSET
  
  This patch fixes the STG_FIELD_OFFSET macro definition by using
  __builtin_offsetof, which is what gcc/clang uses to implement offsetof
  in standard C. The previous definition that uses NULL pointer involves
  subtle undefined behavior in C and thus reported by
  UndefinedBehaviorSanitizer as well:
  
  ```
  rts/Capability.h:243:58: runtime error: member access within null pointer of type 'Capability' (aka 'struct Capability_')
  SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rts/Capability.h:243:58
  ```
  

• 5ff83bfc
  by Sylvain Henry at 2024-05-30T14:43:10-04:00

  JS: remove useless h$CLOCK_REALTIME (#23202)
  

• 95ef2d58
  by Matthew Pickering at 2024-05-30T14:43:47-04:00

  ghcup-metadata: Fix metadata generation
  
  There were some syntax errors in the generation script which were
  preventing it from running.
  
  I have tested this with:
  
  ```
  nix shell --extra-experimental-features nix-command -f .gitlab/rel_eng -c ghcup-metadata --metadata ghcup-0.0.7.yaml --date="2024-05-27" --pipeline-id=95534 --version=9.11.20240525
  ```
  
  which completed successfully.
  

• 1bc66ee4
  by Jakob Bruenker at 2024-05-30T14:44:22-04:00

  Add diagrams to Arrows documentation
  
  This adds diagrams to the documentation of Arrows, similar to the ones found on
  https://www.haskell.org/arrows/.
  
  It does not add diagrams for ArrowChoice for the time being, mainly because it's
  not clear to me how to visually distinguish them from the ones for Arrow. Ideally,
  you might want to do something like highlight the arrows belonging to the same
  tuple or same Either in common colors, but that's not really possible with unicode.
  

• d10a1c65
  by Matthew Craven at 2024-05-30T23:35:48-04:00

  Make UnsafeSNat et al. into pattern synonyms
  
  ...so that they do not cause coerce to bypass the nominal
  role on the corresponding singleton types when they are imported.
  See Note [Preventing unsafe coercions for singleton types] and
  the discussion at #23478.
  
  This also introduces unsafeWithSNatCo (and analogues for Char
  and Symbol) so that users can still access the dangerous coercions
  that importing the real constructors would allow, but only in a
  very localized way.
  

• 0958937e
  by Cheng Shao at 2024-05-30T23:36:25-04:00

  hadrian: build C/C++ with split sections when enabled
  
  When split sections is enabled, ensure -fsplit-sections is passed to
  GHC as well when invoking GHC to compile C/C++; and pass
  -ffunction-sections -fdata-sections to gcc/clang when compiling C/C++
  with the hadrian Cc builder. Fixes #23381.
  

• 02b1f91e
  by Cheng Shao at 2024-05-30T23:36:25-04:00

  driver: build C/C++ with -ffunction-sections -fdata-sections when split sections is enabled
  
  When -fsplit-sections is passed to GHC, pass -ffunction-sections
  -fdata-sections to gcc/clang when building C/C++. Previously,
  -fsplit-sections was only respected by the NCG/LLVM backends, but not
  the unregisterised backend; the GHC driver did not pass
  -fdata-sections and -ffunction-sections to the C compiler, which
  resulted in excessive executable sizes.
  
  Fixes #23381.
  
  -------------------------
  Metric Decrease:
      size_hello_artifact
      size_hello_unicode
  -------------------------
  

• fd47e2e3
  by Cheng Shao at 2024-05-30T23:37:00-04:00

  testsuite: mark process005 as fragile on JS
  

• 34a04ea1
  by Matthew Pickering at 2024-05-31T06:08:36-04:00

  Add -Wderiving-typeable to -Wall
  
  Deriving `Typeable` does nothing, and it hasn't done for a long while.
  
  There has also been a warning for a long while which warns you about
  uselessly deriving it but it wasn't enabled in -Wall.
  
  Fixes #24784
  

• 75fa7b0b
  by Matthew Pickering at 2024-05-31T06:08:36-04:00

  docs: Fix formatting of changelog entries
  

• 303c4b33
  by Preetham Gujjula at 2024-05-31T06:09:21-04:00

  docs: Fix link to injective type families paper
  
  Closes #24863
  

• df97e9a6
  by Ben Gamari at 2024-05-31T06:09:57-04:00

  ghc-internal: Fix package description
  
  The previous description was inherited from `base` and was inappropriate
  for `ghc-internal`. Also fix the maintainer and bug reporting fields.
  
  Closes #24906.
  

• bf0737c0
  by Cheng Shao at 2024-05-31T06:10:33-04:00

  compiler: remove ArchWasm32 special case in cmmDoCmmSwitchPlans
  
  This patch removes special consideration for ArchWasm32 in
  cmmDoCmmSwitchPlans, which means the compiler will now disable
  cmmImplementSwitchPlans for wasm unreg backend, just like unreg
  backend of other targets. We enabled it in the past to workaround some
  compile-time panic in older versions of LLVM, but those panics are no
  longer present, hence no need to keep this workaround.
  

• 7eda4bd2
  by Cheng Shao at 2024-05-31T15:52:04-04:00

  utils: add hie.yaml config file for ghc-config
  
  Add hie.yaml to ghc-config project directory so it can be edited using
  HLS.
  

• 1e5752f6
  by Cheng Shao at 2024-05-31T15:52:05-04:00

  hadrian: handle findExecutable "" gracefully
  
  hadrian may invoke findExecutable "" at run-time due to a certain
  program is not found by configure script. Which is fine and
  findExecutable is supposed to return Nothing in this case. However, on
  Windows there's a directory bug that throws an exception (see
  https://github.com/haskell/directory/issues/180), so we might as well
  use a wrapper for findExecutable and handle exceptions gracefully.
  

• 4eb5ad09
  by Cheng Shao at 2024-05-31T15:52:05-04:00

  configure: do not set LLC/OPT/LLVMAS fallback values when FIND_LLVM_PROG fails
  
  When configure fails to find LLC/OPT/LLVMAS within supported version
  range, it used to set "llc"/"opt"/"clang" as fallback values. This
  behavior is particularly troublesome when the user has llc/opt/clang
  with other versions in their PATH and run the testsuite, since hadrian
  will incorrectly assume have_llvm=True and pass that to the testsuite
  driver, resulting in annoying optllvm test failures (#23186). If
  configure determines llc/opt/clang wouldn't work, then we shouldn't
  pretend it'll work at all, and the bindist configure will invoke
  FIND_LLVM_PROG check again at install time anyway.
  

• 5f1afdf7
  by Sylvain Henry at 2024-05-31T15:52:52-04:00

  Introduce UniqueSet and use it to replace 'UniqSet Unique'
  
  'UniqSet Unique' represents a set of uniques as a 'Map Unique Unique',
  which is wasting space (associated key/value are always the same).
  
  Fix #23572 and #23605
  

• e0aa42b9
  by crumbtoo at 2024-05-31T15:53:33-04:00

  Improve template-haskell haddocks
  
  Closes #15822
  

• ae170155
  by Olivier Benz at 2024-06-01T09:35:17-04:00

  Bump max LLVM version to 19 (not inclusive)
  

• 92aa65ea
  by Matthew Pickering at 2024-06-01T09:35:17-04:00

  ci: Update CI images to test LLVM 18
  
  The debian12 image in this commit has llvm 18 installed.
  

• adb1fe42
  by Serge S. Gulin at 2024-06-01T09:35:53-04:00

  Unicode: make ucd2haskell build-able again
  
  ucd2haskell tool used streamly library which version in cabal was out of date. It is updated to the latest version at hackage with deprecated parts rewritten.
  
  Also following fixes were applied to existing code in suppose that from its last run the code structure was changed and now it was required to be up to date with actual folder structures:
  1. Ghc module path environment got a suffix with `src`.
  2. Generated code got
  2.1 `GHC.Internal` prefix for `Data.*`.
  2.2 `GHC.Unicode.Internal` swapped on `GHC.Internal.Unicode` according to actual structure.
  

• ad56fd84
  by Jade at 2024-06-01T09:36:29-04:00

  Replace 'NB' with 'Note' in error messages
  

• 6346c669
  by Cheng Shao at 2024-06-01T09:37:04-04:00

  compiler: fix -ddump-cmm-raw when compiling .cmm
  
  This patch fixes missing -ddump-cmm-raw output when compiling .cmm,
  which is useful for debugging cmm related codegen issues.
  

• 1c834ad4
  by Ryan Scott at 2024-06-01T09:37:40-04:00

  Print namespace specifiers in FixitySig's Outputable instance
  
  For whatever reason, the `Outputable` instance for `FixitySig` simply did not
  print out namespace specifiers, leading to the confusing `-ddump-splices`
  output seen in #24911. This patch corrects this oversight.
  
  Fixes #24911.
  

• cf49fb5f
  by Sylvain Henry at 2024-06-01T09:38:19-04:00

  Configure: display C++ compiler path
  

• f9c1ae12
  by Cheng Shao at 2024-06-02T14:01:55-04:00

  hadrian: disable PIC for in-tree GMP on wasm32
  
  This patch disables PIC for in-tree GMP on wasm32 target. Enabling PIC
  unconditionally adds undesired code size and runtime overhead for
  wasm32.
  

• 1a32f828
  by Cheng Shao at 2024-06-02T14:01:55-04:00

  hadrian: disable in-tree gmp fft code path for wasm32
  
  This patch disables in-tree GMP FFT code paths for wasm32 target in
  order to give up some performance of multiplying very large operands
  in exchange for reduced code size.
  

• 06277d56
  by Cheng Shao at 2024-06-02T14:01:55-04:00

  hadrian: build in-tree GMP with malloc-notreentrant on wasm32
  
  This patch makes hadrian build in-tree GMP with the
  --enable-alloca=malloc-notreentrant configure option. We will only
  need malloc-reentrant when we have threaded RTS and SMP support on
  wasm32, which will take some time to happen, before which we should
  use malloc-notreentrant to avoid undesired runtime overhead.
  

• 9f614270
  by ARATA Mizuki at 2024-06-02T14:02:35-04:00

  Set package include paths when assembling .S files
  
  Fixes #24839.
  
  Co-authored-by: Sylvain Henry <hsyl20@gmail.com>
  

• 4998a6ed
  by Alex Mason at 2024-06-03T02:09:29-04:00

  Improve performance of genericWordQuotRem2Op (#22966)
  
  Implements the algorithm from compiler-rt's udiv128by64to64default. This
  rewrite results in a roughly 24x improvement in runtime on AArch64 (and
  likely any other arch that uses it).
  

• ae50a8eb
  by Cheng Shao at 2024-06-03T02:10:05-04:00

  testsuite: mark T7773 as fragile on wasm
  

• c8ece0df
  by Fendor at 2024-06-03T19:43:22-04:00

  Migrate `Finder` component to `OsPath`, fixed #24616
  
  For each module in a GHCi session, we keep alive one `ModLocation`.
  A `ModLocation` is fairly inefficiently packed, as `String`s are
  expensive in memory usage.
  
  While benchmarking the agda codebase, we concluded that we keep alive
  around 11MB of `FilePath`'s, solely retained by `ModLocation`.
  
  We provide a more densely packed encoding of `ModLocation`, by moving
  from `FilePath` to `OsPath`. Further, we migrate the full `Finder`
  component to `OsPath` to avoid unnecessary transformations.
  As the `Finder` component is well-encapsulated, this requires only a
  minimal amount of changes in other modules.
  
  We introduce pattern synonym for 'ModLocation' which maintains backwards
  compatibility and avoids breaking consumers of 'ModLocation'.
  

• 0cff083a
  by Cheng Shao at 2024-06-03T19:43:58-04:00

  compiler: emit NaturallyAligned when element type & index type are the same width
  
  This commit fixes a subtle mistake in alignmentFromTypes that used to
  generate Unaligned when element type & index type are the same width.
  Fixes #24930.
  

• 18f63970
  by Sebastian Graf at 2024-06-04T05:05:27-04:00

  Parser: Remove unused `apats` rule
  

• 38757c30
  by David Knothe at 2024-06-04T05:05:27-04:00

  Implement Or Patterns (#22596)
  
  This commit introduces a new language extension, `-XOrPatterns`, as described in
  GHC Proposal 522.
  
  An or-pattern `pat1; ...; patk` succeeds iff one of the patterns `pat1`, ...,
  `patk` succeed, in this order.
  
  See also the summary `Note [Implmentation of OrPatterns]`.
  
  Co-Authored-By: Sebastian Graf <sgraf1337@gmail.com>
  

• 395412e8
  by Cheng Shao at 2024-06-04T05:06:04-04:00

  compiler/ghci/rts: remove stdcall support completely
  
  We have formally dropped i386 windows support (#18487) a long time
  ago. The stdcall foreign call convention is only used by i386 windows,
  and the legacy logic around it is a significant maintenance burden for
  future work that adds arm64 windows support (#24603). Therefore, this
  patch removes stdcall support completely from the compiler as well as
  the RTS (#24883):
  
  - stdcall is still recognized as a FFI calling convention in Haskell
    syntax. GHC will now unconditionally emit a warning
    (-Wunsupported-calling-conventions) and treat it as ccall.
  - Apart from minimum logic to support the parsing and warning logic,
    all other code paths related to stdcall has been completely stripped
    from the compiler.
  - ghci only supports FFI_DEFAULT_ABI and ccall convention from now on.
  - FFI foreign export adjustor code on all platforms no longer handles
    the stdcall case and only handles ccall from now on.
  - The Win32 specific parts of RTS no longer has special code paths for
    stdcall.
  
  This commit is the final nail on the coffin for i386 windows support.
  Further commits will perform more housecleaning to strip the legacy
  code paths and pave way for future arm64 windows support.
  

• d1fe9ab6
  by Cheng Shao at 2024-06-04T05:06:04-04:00

  rts: remove legacy i386 windows code paths
  
  This commit removes some legacy i386 windows related code paths in the
  RTS, given this target is no longer supported.
  

• a605e4b2
  by Cheng Shao at 2024-06-04T05:06:04-04:00

  autoconf: remove i386 windows related logic
  
  This commit removes legacy i386 windows logic in autoconf scripts.
  

• 91e5ac5e
  by Cheng Shao at 2024-06-04T05:06:04-04:00

  llvm-targets: remove i386 windows support
  
  This commit removes i386 windows from llvm-targets and the script to
  generate it.
  

• 65fe75a4
  by Cheng Shao at 2024-06-04T05:06:04-04:00

  libraries/utils: remove stdcall related legacy logic
  
  This commit removes stdcall related legacy logic in libraries and
  utils. ccall should be used uniformly for all supported windows hosts
  from now on.
  

• d2a83302
  by Cheng Shao at 2024-06-04T05:06:04-04:00

  testsuite: adapt the testsuite for stdcall removal
  
  This patch adjusts test cases to handle the stdcall removal:
  
  - Some stdcall usages are replaced with ccall since stdcall doesn't
    make sense anymore.
  - We also preserve some stdcall usages, and check in the expected
    warning messages to ensure GHC always warn about stdcall usages
    (-Wunsupported-calling-conventions) as expected.
  - Error code testsuite coverage is slightly improved,
    -Wunsupported-calling-conventions is now tested.
  - Obsolete code paths related to i386 windows are also removed.
  

• cef8f47a
  by Cheng Shao at 2024-06-04T05:06:04-04:00

  docs: minor adjustments for stdcall removal
  
  This commit include minor adjustments of documentation related to
  stdcall removal.
  

• 54332437
  by Cheng Shao at 2024-06-04T05:06:04-04:00

  docs: mention i386 Windows removal in 9.12 changelog
  
  This commit mentions removal of i386 Windows support and stdcall
  related change in the 9.12 changelog.
  

• 2aaea8a1
  by Cheng Shao at 2024-06-04T05:06:40-04:00

  hadrian: improve user settings documentation
  
  This patch adds minor improvements to hadrian user settings documentation:
  
  - Add missing `ghc.cpp.opts` case
  - Remove non-existent `cxx` case
  - Clarify `cc.c.opts` also works for C++, while `cc.deps.opts` doesn't
  - Add example of passing configure argument to autoconf packages
  

• 71010381
  by Alex Mason at 2024-06-04T12:09:07-04:00

  Add AArch64 CLZ, CTZ, RBIT primop implementations.
  
  Adds support for emitting the clz and rbit instructions, which are
  used by GHC.Prim.clz*#, GHC.Prim.ctz*# and GHC.Prim.bitReverse*#.
  

• 44e2abfb
  by Cheng Shao at 2024-06-04T12:09:43-04:00

  hadrian: add +text_simdutf flavour transformer to allow building text with simdutf
  
  This patch adds a +text_simdutf flavour transformer to hadrian to
  allow downstream packagers and users that build from source to opt-in
  simdutf support for text, in order to benefit from SIMD speedup at
  run-time. It's still disabled by default for the time being.
  

• 077cb2e1
  by Cheng Shao at 2024-06-04T12:09:43-04:00

  ci: enable +text_simdutf flavour transformer for wasm jobs
  
  This commit enables +text_simdutf flavour transformer for wasm jobs,
  so text is now built with simdutf support for wasm.
  

• b23746ad
  by Teo Camarasu at 2024-06-04T22:50:50-04:00

  base: Use TemplateHaskellQuotes in instance Lift ByteArray
  
  Resolves #24852
  

• 3fd25743
  by Teo Camarasu at 2024-06-04T22:50:50-04:00

  base: Mark addrToByteArray as NOINLINE
  
  This function should never be inlined in order to keep code size small.
  

• 98ad1ea5
  by Cheng Shao at 2024-06-04T22:51:26-04:00

  compiler: remove unused CompilerInfo/LinkerInfo types
  
  This patch removes CompilerInfo/LinkerInfo types from the compiler
  since they aren't actually used anywhere.
  

• 11795244
  by Cheng Shao at 2024-06-05T06:33:17-04:00

  rts: remove unused PowerPC/IA64 native adjustor code
  
  This commit removes unused PowerPC/IA64 native adjustor code which is
  never actually enabled by autoconf/hadrian. Fixes #24920.
  

• 5132754b
  by Sylvain Henry at 2024-06-05T06:33:57-04:00

  RTS: fix warnings with doing*Profiling (#24918)
  

• accc8c33
  by Cheng Shao at 2024-06-05T11:35:36-04:00

  hadrian: don't depend on inplace/mingw when --enable-distro-toolchain on Windows
  

• 6ffbd678
  by Cheng Shao at 2024-06-05T11:35:37-04:00

  autoconf: normalize paths of some build-time dependencies on Windows
  
  This commit applies path normalization via cygpath -m to some
  build-time dependencies on Windows. Without this logic, the
  /clang64/bin prefixed msys2-style paths cause the build to fail with
  --enable-distro-toolchain.
  

• 075dc6d4
  by Cheng Shao at 2024-06-05T11:36:12-04:00

  hadrian: remove OSDarwin mention from speedHack
  
  This commit removes mentioning of OSDarwin from speedHack, since
  speedHack is purely for i386 and we no longer support i386 darwin
  (#24921).
  

• 83235c4c
  by Cheng Shao at 2024-06-05T11:36:12-04:00

  compiler: remove 32-bit darwin logic
  
  This commit removes all 32-bit darwin logic from the compiler, given
  we no longer support 32-bit apple systems (#24921). Also contains a
  bit more cleanup of obsolete i386 windows logic.
  

• 1eb99bc3
  by Cheng Shao at 2024-06-05T11:36:12-04:00

  rts: remove 32-bit darwin/ios logic
  
  This commit removes 32-bit darwin/ios related logic from the rts,
  given we no longer support them (#24921).
  

• 24f65892
  by Cheng Shao at 2024-06-05T11:36:12-04:00

  llvm-targets: remove 32-bit darwin/ios targets
  
  This commit removes 32-bit darwin/ios targets from llvm-targets given
  we no longer support them (#24921).
  

• ccdbd689
  by Cheng Shao at 2024-06-05T11:36:12-04:00

  testsuite: remove 32-bit darwin logic
  
  This commit removes 32-bit darwin logic from the testsuite given it's
  no longer supported (#24921). Also contains more cleanup of obsolete
  i386 windows logic.
  

• 11d661c4
  by Cheng Shao at 2024-06-05T11:36:13-04:00

  docs: mention 32-bit darwin/ios removal in 9.12 changelog
  
  This commit mentions removal of 32-bit darwin/ios support (#24921) in
  the 9.12 changelog.
  

• 7c173310
  by Georgi Lyubenov at 2024-06-05T15:17:22-04:00

  Add firstA and secondA to Data.Bitraversable
  
  Please see https://github.com/haskell/core-libraries-committee/issues/172
  for related discussion
  

• 3b6f9fd1
  by Ben Gamari at 2024-06-05T15:17:59-04:00

  base: Fix name of changelog
  
  Fixes #24899. Also place it under `extra-doc-files` to better reflect
  its nature and avoid triggering unnecessary recompilation if it
  changes.
  

• 1f4d2ef7
  by Sebastian Graf at 2024-06-05T15:18:34-04:00

  Announce Or-patterns in the release notes for GHC 9.12 (#22596)
  
  Leftover from !9229.
  

• 8650338d
  by Jan Hrček at 2024-06-06T10:39:24-04:00

  Improve haddocks of Language.Haskell.Syntax.Pat.Pat
  

• 2eee65e1
  by Cheng Shao at 2024-06-06T10:40:00-04:00

  testsuite: bump T7653 timeout for wasm
  

• 990fed60
  by Sylvain Henry at 2024-06-07T14:45:23-04:00

  StgToCmm: refactor opTranslate and friends
  
  - Change arguments order to avoid `\args -> ...` lambdas
  - Fix documentation
  - Rename StgToCmm options ("big" doesn't mean anything)
  

• 1afad514
  by Sylvain Henry at 2024-06-07T14:45:23-04:00

  NCG x86: remove dead code (#5444)
  
  Since 6755d833af8c21bbad6585144b10e20ac4a0a1ab this code is dead.
  

• 595c0894
  by Cheng Shao at 2024-06-07T14:45:58-04:00

  testsuite: skip objc-hi/objcxx-hi when cross compiling
  
  objc-hi/objcxx-hi should be skipped when cross compiling. The existing
  opsys('darwin') predicate only asserts the host system is darwin but
  tells us nothing about the target, hence the oversight.
  

• edfe6140
  by qqwy at 2024-06-08T11:23:54-04:00

  Replace '?callStack' implicit param with HasCallStack in GHC.Internal.Exception.throw
  

• 35a64220
  by Cheng Shao at 2024-06-08T11:24:30-04:00

  rts: cleanup inlining logic
  
  This patch removes pre-C11 legacy code paths related to
  INLINE_HEADER/STATIC_INLINE/EXTERN_INLINE macros, ensure EXTERN_INLINE
  is treated as static inline in most cases (fixes #24945), and also
  corrects the comments accordingly.
  

• 9ea90ed2
  by Andrew Lelechenko at 2024-06-08T11:25:06-04:00

  CODEOWNERS: add @core-libraries to track base interface changes
  
  A low-tech tactical solution for #24919
  

• 580fef7b
  by Ben Gamari at 2024-06-09T01:27:21-04:00

  ghc-internal: Update CHANGELOG to reflect current version
  

• 391ecff5
  by Ben Gamari at 2024-06-09T01:27:21-04:00

  ghc-internal: Update prologue.txt to reflect package description
  

• 3dca3b7d
  by Ben Gamari at 2024-06-09T01:27:57-04:00

  compiler: Clarify comment regarding need for MOVABS
  
  The comment wasn't clear in stating that it was only applicable to
  immediate source and memory target operands.
  

• 6bd850e8
  by doyougnu at 2024-06-09T21:02:14-04:00

  JS: establish single source of truth for symbols
  
  In pursuit of: #22736.
  
  This MR moves ad-hoc symbols used throughout the js backend into a
  single symbols file. Why? First, this cleans up the code by removing
  ad-hoc strings created on the fly and therefore makes the code more
  maintainable. Second, it makes it much easier to eventually type these
  identifiers.
  

• f3017dd3
  by Cheng Shao at 2024-06-09T21:02:49-04:00

  rts: replace ad-hoc MYTASK_USE_TLV with proper CC_SUPPORTS_TLS
  
  This patch replaces the ad-hoc `MYTASK_USE_TLV` with the
  `CC_SUPPORTS_TLS` macro. If TLS support is detected by autoconf, then
  we should use that for managing `myTask` in the threaded RTS.
  

• e17d7e8c
  by Ben Gamari at 2024-06-11T05:25:21-04:00

  users-guide: Fix stylistic issues in 9.12 release notes
  

• 8a8a982a
  by Hugo Peters at 2024-06-11T05:25:57-04:00

  fix typo in the simplifier debug output:
  
  baling -> bailing
  

• 16475bb8
  by Hécate Moonlight at 2024-06-12T03:07:55-04:00

  haddock: Correct the Makefile to take into account Darwin systems
  

• a2f60da5
  by Hécate Kleidukos at 2024-06-12T03:08:35-04:00

  haddock: Remove obsolete links to github.com/haskell/haddock in the docs
  

• de4395cd
  by qqwy at 2024-06-12T03:09:12-04:00

  Add `__GLASGOW_HASKELL_ASSERTS_IGNORED__` as CPP macro name if `-fasserts-ignored is set.
  
  This allows users to create their own Control.Exception.assert-like functionality that
  does something other than raising an `AssertFailed` exception.
  
  Fixes #24967
  

• 0e9c4dee
  by Ryan Hendrickson at 2024-06-12T03:09:53-04:00

  compiler: add hint to TcRnBadlyStaged message
  

• 2747cd34
  by Simon Peyton Jones at 2024-06-12T12:51:37-04:00

  Fix a QuickLook bug
  
  This MR fixes the bug exposed by #24676.  The problem was that
  quickLookArg was trying to avoid calling tcInstFun unnecessarily; but
  it was in fact necessary.  But that in turn forced me into a
  significant refactoring, putting more fields into EValArgQL.
  
  Highlights: see Note [Quick Look overview] in GHC.Tc.Gen.App
  
  * Instantiation variables are now distinguishable from ordinary
    unification variables, by level number = QLInstVar. This is
    treated like "level infinity".  See Note [The QLInstVar TcLevel]
    in GHC.Tc.Utils.TcType.
  
  * In `tcApp`, we don't track the instantiation variables in a set Delta
    any more; instead, we just tell them apart by their level number.
  
  * EValArgQL now much more clearly captures the "half-done" state
    of typechecking an argument, ready for later resumption.
    See Note [Quick Look at value arguments] in GHC.Tc.Gen.App
  
  * Elminated a bogus (never used) fast-path in
    GHC.Tc.Utils.Instantiate.instCallConstraints
    See Note [Possible fast path for equality constraints]
  
  Many other small refactorings.
  

• 1b1523b1
  by George Thomas at 2024-06-12T12:52:18-04:00

  Fix non-compiling extensible record `HasField` example

• 97b141a3
  by Zubin Duggal at 2024-06-12T12:52:55-04:00

  haddock: Fix hyperlinker source urls (#24907)
  
  This fixes a bug introduced by f56838c36235febb224107fa62334ebfe9941aba Links to
  external modules in the hyperlinker are uniformly generated using splicing the
  template given to us instead of attempting to construct the url in an ad-hoc manner.
  

• 954f864c
  by Zubin Duggal at 2024-06-12T12:52:55-04:00

  haddock: Add name anchor to external source urls from documentation page
  
  URLs for external source links from documentation pages were missing a splice
  location for the name.
  
  Fixes #24912
  

• b0b64177
  by Simon Peyton Jones at 2024-06-12T12:53:31-04:00

  Prioritise nominal equalities
  
  The main payload of this patch is
  
  * Prioritise nominal equalities in the constraint solver. This
    ameliorates the incompleteness of solving for representational
    constraints over newtypes: see #24887.
  
     See (EX2) in Note [Decomposing newtype equalities] in
     GHC.Tc.Solver.Equality
  
  In doing this patch I tripped over some other things that I refactored:
  
  * Move `isCoVarType` from `GHC.Core.Type` to `GHC.Core.Predicate`
    where it seems more at home.
  
  * Clarify the "rewrite role" of a constraint.  I was very puzzled
    about what the role of, say `(Eq a)` might be, but see the new
    Note [The rewrite-role of a constraint].
  
    In doing so I made predTypeEqRel crash when given a non-equality.
    Usually it expects an equality; but it was being mis-used for
    the above rewrite-role stuff.
  

• cb7c1b83
  by Liam Goodacre at 2024-06-12T12:54:09-04:00

  compiler: missing-deriving-strategies suggested fix
  
  Extends the missing-deriving-strategies warning with a suggested fix
  that includes which deriving strategies were assumed.
  
  For info about the warning, see comments for
  `TcRnNoDerivStratSpecified`, `TcRnNoDerivingClauseStrategySpecified`, &
  `TcRnNoStandaloneDerivingStrategySpecified`.
  
  For info about the suggested fix, see
  `SuggestExplicitDerivingClauseStrategies` &
  `SuggestExplicitStandalanoDerivingStrategy`.
  
  docs: Rewords missing-deriving-strategies to mention the suggested fix.
  
  Resolves #24955
  

• 4e36d3a3
  by Jan Hrček at 2024-06-12T12:54:48-04:00

  Further haddocks improvements in Language.Haskell.Syntax.Pat.Pat
  

• 558353f4
  by Cheng Shao at 2024-06-12T12:55:24-04:00

  rts: use page sized mblocks on wasm
  
  This patch changes mblock size to page size on wasm. It allows us to
  simplify our wasi-libc fork, makes it much easier to test third party
  libc allocators like emmalloc/mimalloc, as well as experimenting with
  threaded RTS in wasm.
  

• b3cc5366
  by Matthew Pickering at 2024-06-12T23:06:57-04:00

  compiler: Make ghc-experimental not wired in
  
  If you need to wire in definitions, then place them in ghc-internal and
  reexport them from ghc-experimental.
  
  Ticket #24903
  

• 700eeab9
  by Hécate Kleidukos at 2024-06-12T23:07:37-04:00

  base: Use a more appropriate unicode arrow for the ByteArray diagram
  
  This commit rectifies the usage of a unicode arrow in favour of one that
  doesn't provoke mis-alignment.
  

• cca7de25
  by Matthew Pickering at 2024-06-12T23:08:14-04:00

  ghcup-metadata: Fix debian version ranges
  
  This was caught by `ghcup-ci` failing and attempting to install a deb12
  bindist on deb11.
  
  ```
  configure: WARNING: m4/prep_target_file.m4: Expecting YES/NO but got  in ArSupportsDashL_STAGE0. Defaulting to False.
  bin/ghc-toolchain-bin: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.34' not found (required by bin/ghc-toolchain-bin)
  bin/ghc-toolchain-bin: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.34' not found (required by /tmp/tmp.LBhwvFbVoy/foobarbaz/.ghcup/tmp/ghcup-708d9668d5d82287/ghc-9.11.20240609-x86_64-unknown-linux/bin/../lib/x86_64-linux-ghc-9.11.20240609/libHSunix-2.8.5.1-inplace-ghc9.11.20240609.so)
  bin/ghc-toolchain-bin: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.33' not found (required by /tmp/tmp.LBhwvFbVoy/foobarbaz/.ghcup/tmp/ghcup-708d9668d5d82287/ghc-9.11.20240609-x86_64-unknown-linux/bin/../lib/x86_64-linux-ghc-9.11.20240609/libHSunix-2.8.5.1-inplace-ghc9.11.20240609.so)
  ```
  
  Fixes #24974
  

• 7b23ce8b
  by Pierre Le Marre at 2024-06-13T15:35:04-04:00

  ucd2haskell: remove Streamly dependency + misc
  
  - Remove dead code.
  - Remove `streamly` dependency.
  - Process files with `bytestring`.
  - Replace Unicode files parsers with the corresponding ones from the
    package `unicode-data-parser`.
  - Simplify cabal file and rename module
  - Regenerate `ghc-internal` Unicode files with new header
  

• 4570319f
  by Jacco Krijnen at 2024-06-13T15:35:41-04:00

  Document how to run haddocks tests (#24976)
  
  Also remove ghc 9.7 requirement
  

• fb629e24
  by amesgen at 2024-06-14T00:28:20-04:00

  compiler: refactor lower_CmmExpr_Ptr
  

• def46c8c
  by amesgen at 2024-06-14T00:28:20-04:00

  compiler: handle CmmRegOff in lower_CmmExpr_Ptr
  

• ce76bf78
  by Simon Peyton Jones at 2024-06-14T00:28:56-04:00

  Small documentation update in Quick Look
  

• 19bcfc9b
  by Simon Peyton Jones at 2024-06-14T14:44:19-04:00

  Add hack for #24623
  
  ..Th bug in #24623 is randomly triggered by this MR!..
  

• 7a08a025
  by Simon Peyton Jones at 2024-06-14T14:44:19-04:00

  Various fixes to type-tidying
  
  This MR was triggered by #24868, but I found a number of bugs
  and infelicities in type-tidying as I went along.  Highlights:
  
  * Fix to #24868 is in GHC.Tc.Errors.report_unsolved: avoid
    using the OccNames of /bound/ variables when tidying /free/
    variables; see the call to `tidyAvoiding`.  That avoid the
    gratuitous renaming which was the cause of #24868. See
       Note [tidyAvoiding] in GHC.Core.TyCo.Tidy
  
  * Refactor and document the tidying of open types.
    See GHC.Core.TyCo.Tidy
       Note [Tidying open types]
       Note [Tidying is idempotent]
  
  * Tidy the coercion variable in HoleCo. That's important so
    that tidied types have tidied kinds.
  
  * Some small renaming to make things consistent.  In particular
    the "X" forms return a new TidyEnv.  E.g.
       tidyOpenType  :: TidyEnv -> Type -> Type
       tidyOpenTypeX :: TidyEnv -> Type -> (TidyEnv, Type)
  

• 2eac0288
  by Simon Peyton Jones at 2024-06-14T14:44:19-04:00

  Wibble
  

• e5d24cc2
  by Simon Peyton Jones at 2024-06-14T14:44:20-04:00

  Wibbles
  

• 246bc3a4
  by Simon Peyton Jones at 2024-06-14T14:44:56-04:00

  Localise a case-binder in SpecConstr.mkSeqs
  
  This small change fixes #24944
  
  See (SCF1) in Note [SpecConstr and strict fields]
  

• a5994380
  by Sylvain Henry at 2024-06-15T03:20:29-04:00

  PPC: display foreign label in panic message (cf #23969)
  

• bd95553a
  by Rodrigo Mesquita at 2024-06-15T03:21:06-04:00

  cmm: Parse MO_BSwap primitive operation
  
  Parsing this operation allows it to be tested using `test-primops` in a
  subsequent MR.
  

• e0099721
  by Andrew Lelechenko at 2024-06-16T17:57:38-04:00

  Make flip representation polymorphic, similar to ($) and (&)
  
  CLC proposal: https://github.com/haskell/core-libraries-committee/issues/245
  

• 118a1292
  by Alan Zimmerman at 2024-06-16T17:58:15-04:00

  EPA: Add location to Match Pats list
  
  So we can freely modify the pats and the following item spacing will
  still be valid when exact printing.
  
  Closes #24862
  

• db343324
  by Fabricio de Sousa Nascimento at 2024-06-17T10:01:51-04:00

  compiler: Rejects RULES whose LHS immediately fails to type-check
  
  Fixes GHC crashing on `decomposeRuleLhs` due to ignoring coercion values. This
  happens when we have a RULE that does not type check, and enable
  `-fdefer-type-errors`. We prevent this to happen by rejecting RULES with an
  immediately LHS type error.
  
  Fixes #24026
  

• e7a95662
  by Dylan Thinnes at 2024-06-17T10:02:35-04:00

  Add hscTypecheckRenameWithDiagnostics, for HLS (#24996)
  
  Use runHsc' in runHsc so that both functions can't fall out of sync
  
  We're currently copying parts of GHC code to get structured warnings
  in HLS, so that we can recreate `hscTypecheckRenameWithDiagnostics`
  locally. Once we get this function into GHC we can drop the copied code
  in future versions of HLS.
  

• d70abb49
  by sheaf at 2024-06-18T18:47:20-04:00

  Clarify -XGADTs enables existential quantification
  
  Even though -XGADTs does not turn on -XExistentialQuantification,
  it does allow the user of existential quantification syntax, without
  needing to use GADT-style syntax.
  
  Fixes #20865
  

• 13fdf788
  by David Binder at 2024-06-18T18:48:02-04:00

  Add RTS flag --read-tix-file (GHC Proposal 612)
  
  This commit introduces the RTS flag `--read-tix-file=<yes|no>` which
  controls whether a preexisting .tix file is read in at the beginning
  of a program run. The default is currently `--read-tix-file=yes` but
  will change to `--read-tix-file=no` in a future release of GHC. For
  this reason, whenever a .tix file is read in a warning is emitted to
  stderr. This warning can be silenced by explicitly passing the
  `--read-tix-file=yes` option. Details can be found in the GHC proposal
  cited below.
  
  Users can query whether this flag has been used with the help of the
  module `GHC.RTS.Flags`. A new field `readTixFile` was added to the
  record `HpcFlags`.
  
  These changes have been discussed and approved in
  - GHC proposal 612: https://github.com/ghc-proposals/ghc-proposals/pull/612
  - CLC proposal 276: https://github.com/haskell/core-libraries-committee/issues/276
  

• f0e3cb6a
  by Fendor at 2024-06-18T18:48:38-04:00

  Improve sharing of duplicated values in `ModIface`, fixes #24723
  
  As a `ModIface` often contains duplicated values that are not
  necessarily shared, we improve sharing by serialising the `ModIface`
  to an in-memory byte array. Serialisation uses deduplication tables, and
  deserialisation implicitly shares duplicated values.
  
  This helps reducing the peak memory usage while compiling in
  `--make` mode. The peak memory usage is especially smaller when
  generating interface files with core expressions
  (`-fwrite-if-simplified-core`).
  
  On agda, this reduces the peak memory usage:
  
  * `2.2 GB` to `1.9 GB` for a ghci session.
  
  On `lib:Cabal`, we report:
  
  * `570 MB` to `500 MB` for a ghci session
  * `790 MB` to `667 MB` for compiling `lib:Cabal` with ghc
  
  There is a small impact on execution time, around 2% on the agda code
  base.
  

• 1bab7dde
  by Fendor at 2024-06-18T18:48:38-04:00

  Avoid unneccessarily re-serialising the `ModIface`
  
  To reduce memory usage of `ModIface`, we serialise `ModIface` to an
  in-memory byte array, which implicitly shares duplicated values.
  
  This serialised byte array can be reused to avoid work when we actually
  write the `ModIface` to disk.
  We introduce a new field to `ModIface` which allows us to save the byte
  array, and write it direclty to disk if the `ModIface` wasn't changed
  after the initial serialisation.
  
  This requires us to change absolute offsets, for example to jump to the
  deduplication table for `Name` or `FastString` with relative offsets, as
  the deduplication byte array doesn't contain header information, such as
  fingerprints.
  To allow us to dump the binary blob to disk, we need to replace all
  absolute offsets with relative ones.
  
  We introduce additional helpers for `ModIface` binary serialisation, which
  construct relocatable binary blobs. We say the binary blob is relocatable,
  if the binary representation can be moved and does not contain any
  absolute offsets.
  
  Further, we introduce new primitives for `Binary` that allow to create
  relocatable binaries, such as `forwardGetRel` and `forwardPutRel`.
  
  -------------------------
  Metric Decrease:
      MultiLayerModulesDefsGhcWithCore
  Metric Increase:
      MultiComponentModules
      MultiLayerModules
      T10421
      T12150
      T12234
      T12425
      T13035
      T13253-spj
      T13701
      T13719
      T14697
      T15703
      T16875
      T18698b
      T18140
      T18304
      T18698a
      T18730
      T18923
      T20049
      T24582
      T5837
      T6048
      T9198
      T9961
      mhu-perf
  -------------------------
  
  These metric increases may look bad, but they are all completely benign,
  we simply allocate 1 MB per module for `shareIface`. As this allocation
  is quite quick, it has a negligible impact on run-time performance.
  In fact, the performance difference wasn't measurable on my local
  machine. Reducing the size of the pre-allocated 1 MB buffer avoids these
  test failures, but also requires us to reallocate the buffer if the
  interface file is too big. These reallocations *did* have an impact on
  performance, which is why I have opted to accept all these metric
  increases, as the number of allocated bytes is merely a guidance.
  
  This 1MB allocation increase causes a lot of tests to fail that
  generally have a low allocation number. E.g., increasing from 40MB to
  41MB is a 2.5% increase.
  In particular, the tests T12150, T13253-spj, T18140, T18304, T18698a,
  T18923, T20049, T24582, T5837, T6048, and T9961 only fail on i386-darwin
  job, where the number of allocated bytes seems to be lower than in other
  jobs.
  The tests T16875 and T18698b fail on i386-linux for the same reason.
  

• 099992df
  by Andreas Klebinger at 2024-06-18T18:49:14-04:00

  Improve documentation of @Any@ type.
  
  In particular mention possible uses for non-lifted types.
  
  Fixes #23100.
  

• 5e75412b
  by Jakob Bruenker at 2024-06-18T18:49:51-04:00

  Update user guide to indicate support for 64-tuples
  

• 4f5da595
  by Andreas Klebinger at 2024-06-18T18:50:28-04:00

  lint notes: Add more info to notes.stdout
  
  When fixing a note reference CI fails with a somewhat confusing diff.
  See #21123. This commit adds a line to the output file being compared
  which hopefully makes it clear this is the list of broken refs, not all
  refs.
  
  Fixes #21123
  

• 1eb15c61
  by Jakob Bruenker at 2024-06-18T18:51:04-04:00

  docs: Update mention of ($) type in user guide
  
  Fixes #24909
  

• 1d66c9e3
  by Jan Hrček at 2024-06-18T18:51:47-04:00

  Remove duplicate Anno instances
  

• 8ea0ba95
  by Sven Tennie at 2024-06-18T18:52:23-04:00

  AArch64: Delete unused RegNos
  
  This has the additional benefit of getting rid of the -1 encoding (real
  registers start at 0.)
  

• 325422e0
  by Sjoerd Visscher at 2024-06-18T18:53:04-04:00

  Bump stm submodule to current master
  

• 64fba310
  by Cheng Shao at 2024-06-18T18:53:40-04:00

  testsuite: bump T17572 timeout on wasm32
  

• eb612fbc
  by Sven Tennie at 2024-06-19T06:46:00-04:00

  AArch64: Simplify BL instruction
  
  The BL constructor carried unused data in its third argument.
  

• b0300503
  by Alan Zimmerman at 2024-06-19T06:46:36-04:00

  TTG: Move SourceText from `Fixity` to `FixitySig`
  
  It is only used there, simplifies the use of `Fixity` in the rest of
  the code, and is moved into a TTG extension point.
  
  Precedes !12842, to simplify it
  

• 842e119b
  by Rodrigo Mesquita at 2024-06-19T06:47:13-04:00

  base: Deprecate some .Internal modules
  
  Deprecates the following modules according to clc-proposal #217:
  https://github.com/haskell/core-libraries-committee/issues/217
  
  * GHC.TypeNats.Internal
  * GHC.TypeLits.Internal
  * GHC.ExecutionStack.Internal
  
  Closes #24998
  

• 24e89c40
  by Jacco Krijnen at 2024-06-20T07:21:27-04:00

  ttg: Use List instead of Bag in AST for LHsBindsLR
  
  Considering that the parser used to create a Bag of binds using a
  cons-based approach, it can be also done using lists. The operations in
  the compiler don't really require Bag.
  
  By using lists, there is no dependency on GHC.Data.Bag anymore from the
  AST.
  
  Progress towards #21592
  

• 04f5bb85
  by Simon Peyton Jones at 2024-06-20T07:22:03-04:00

  Fix untouchability test
  
  This MR fixes #24938.  The underlying problem was tha the test for
  "does this implication bring in scope any equalities" was plain wrong.
  
  See
    Note [Tracking Given equalities] and
    Note [Let-bound skolems]
  both in GHC.Tc.Solver.InertSet.
  
  Then
  * Test LocalGivenEqs succeeds for a different reason than before;
    see (LBS2) in Note [Let-bound skolems]
  
  * New test T24938a succeeds because of (LBS2), whereas it failed
    before.
  
  * Test LocalGivenEqs2 now fails, as it should.
  
  * Test T224938, the repro from the ticket, fails, as it should.
  

• 9a757a27
  by Simon Peyton Jones at 2024-06-20T07:22:40-04:00

  Fix demand signatures for join points
  
  This MR tackles #24623 and #23113
  
  The main change is to give a clearer notion of "worker/wrapper arity", esp
  for join points. See GHC.Core.Opt.DmdAnal
       Note [Worker/wrapper arity and join points]
  This Note is a good summary of what this MR does:
  
  (1) The "worker/wrapper arity" of an Id is
      * For non-join-points: idArity
      * The join points: the join arity (Id part only of course)
      This is the number of args we will use in worker/wrapper.
      See `ww_arity` in `dmdAnalRhsSig`, and the function `workWrapArity`.
  
  (2) A join point's demand-signature arity may exceed the Id's worker/wrapper
      arity.  See the `arity_ok` assertion in `mkWwBodies`.
  
  (3) In `finaliseArgBoxities`, do trimBoxity on any argument demands beyond
      the worker/wrapper arity.
  
  (4) In WorkWrap.splitFun, make sure we split based on the worker/wrapper
      arity (re)-computed by workWrapArity.
  

• 5e8faaf1
  by Jan Hrček at 2024-06-20T07:23:20-04:00

  Update haddocks of Import/Export AST types
  

• cd512234
  by Hécate Kleidukos at 2024-06-20T07:24:02-04:00

  haddock: Update bounds in cabal files and remove allow-newer stanza in cabal.project
  

• 8a8ff8f2
  by Rodrigo Mesquita at 2024-06-20T07:24:38-04:00

  cmm: Don't parse MO_BSwap for W8
  
  Don't support parsing bswap8, since bswap8 is not really an operation
  and would have to be implemented as a no-op (and currently is not
  implemented at all).
  
  Fixes #25002
  

• 5cc472f5
  by sheaf at 2024-06-20T07:25:14-04:00

  Delete unused testsuite files
  
  These files were committed by mistake in !11902.
  This commit simply removes them.
  

• 7b079378
  by Matthew Pickering at 2024-06-20T07:25:50-04:00

  Remove left over debugging pragma from 2016
  
  This pragma was accidentally introduced in 648fd73a7b8fbb7955edc83330e2910428e76147
  
  The top-level cost centres lead to a lack of optimisation when compiling
  with profiling.
  

• c872e09b
  by Hécate Kleidukos at 2024-06-20T19:28:36-04:00

  haddock: Remove unused pragmata, qualify usages of Data.List functions, add more sanity checking flags by default
  
  This commit enables some extensions and GHC flags in the cabal file in a way
  that allows us to reduce the amount of prologuing on top of each file.
  
  We also prefix the usage of some List functions that removes ambiguity
  when they are also exported from the Prelude, like foldl'.
  In general, this has the effect of pointing out more explicitly
  that a linked list is used.
  
  Metric Increase:
      haddock.Cabal
      haddock.base
      haddock.compiler
  

• 8c87d4e1
  by Arnaud Spiwack at 2024-06-20T19:29:12-04:00

  Add test case for #23586
  

• 568de8a5
  by Arnaud Spiwack at 2024-06-20T19:29:12-04:00

  When matching functions in rewrite rules: ignore multiplicity
  
  When matching a template variable to an expression, we check that it
  has the same type as the matched expression. But if the variable `f` has
  type `A -> B` while the expression `e` has type `A %1 -> B`, the match was
  previously rejected.
  
  A principled solution would have `f` substituted by `\(%Many x) -> e
  x` or some other appropriate coercion. But since linearity is not
  properly checked in Core, we can be cheeky and simply ignore
  multiplicity while matching. Much easier.
  
  This has forced a change in the linter which, when `-dlinear-core-lint`
  is off, must consider that `a -> b` and `a %1 -> b` are equal. This is
  achieved by adding an argument to configure the behaviour of
  `nonDetCmpTypeX` and modify `ensureEqTys` to call to the new behaviour
  which ignores multiplicities when comparing two `FunTy`.
  
  Fixes #24725.
  

• c8a8727e
  by Simon Peyton Jones at 2024-06-20T19:29:12-04:00

  Faster type equality
  
  This MR speeds up type equality, triggered by perf regressions that
  showed up when fixing #24725 by parameterising type equality over
  whether to ignore multiplicity.
  
  The changes are:
  
  * Do not use `nonDetCmpType` for type /equality/. Instead use a specialised
    type-equality function, which we have always had!
  
    `nonDetCmpType` remains, but I did not invest effort in refactoring
    or optimising it.
  
  * Type equality is parameterised by
      - whether to expand synonyms
      - whether to respect multiplicities
      - whether it has a RnEnv2 environment
    In this MR I systematically specialise it for static values of these
    parameters.  Much more direct and predictable than before.  See
    Note [Specialising type equality]
  
  * We want to avoid comparing kinds if possible.  I refactored how this
    happens, at least for `eqType`.
    See Note [Casts and coercions in type comparison]
  
  * To make Lint fast, we want to avoid allocating a thunk for <msg> in
        ensureEqTypes ty1 ty2 <msg>
    because the test almost always succeeds, and <msg> isn't needed.
    See Note [INLINE ensureEqTys]
  
  Metric Decrease:
      T13386
      T5030
  

• 21fc180b
  by Ryan Hendrickson at 2024-06-22T10:40:55-04:00

  base: Add inits1 and tails1 to Data.List
  

• d640a3b6
  by Sebastian Graf at 2024-06-22T10:41:32-04:00

  Derive previously hand-written `Lift` instances (#14030)
  
  This is possible now that #22229 is fixed.
  

• 33fee6a2
  by Sebastian Graf at 2024-06-22T10:41:32-04:00

  Implement the "Derive Lift instances for data types in template-haskell" proposal (#14030)
  
  After #22229 had been fixed, we can finally derive the `Lift` instance for the
  TH AST, as proposed by Ryan Scott in
  https://mail.haskell.org/pipermail/libraries/2015-September/026117.html.
  
  Fixes #14030, #14296, #21759 and #24560.
  
  The residency of T24471 increases by 13% because we now load `AnnLookup`
  from its interface file, which transitively loads the whole TH AST.
  Unavoidable and not terrible, I think.
  
  Metric Increase:
      T24471
  

• 383c01a8
  by Matthew Pickering at 2024-06-22T10:42:08-04:00

  bindist: Use complete relative paths when cding to directories
  
  If a user has configured CDPATH on their system then `cd lib` may change
  into an unexpected directory during the installation process.
  
  If you write `cd ./lib` then it will not consult `CDPATH` to determine
  what you mean.
  
  I have added a check on ghcup-ci to verify that the bindist installation
  works in this situation.
  
  Fixes #24951
  

• 5759133f
  by Hécate Kleidukos at 2024-06-22T10:42:49-04:00

  haddock: Use the more precise SDocContext instead of DynFlags
  
  The pervasive usage of DynFlags (the parsed command-line options passed
  to ghc) blurs the border between different components of Haddock, and
  especially those that focus solely on printing text on the screen.
  
  In order to improve the understanding of the real dependencies of a
  function, the pretty-printer options are made concrete earlier in the
  pipeline instead of late when pretty-printing happens.
  
  This also has the advantage of clarifying which functions actually
  require DynFlags for purposes other than pretty-printing, thus making
  the interactions between Haddock and GHC more understandable when
  exploring the code base.
  
  See Henry, Ericson, Young. "Modularizing GHC".
  https://hsyl20.fr/home/files/papers/2022-ghc-modularity.pdf. 2022
  

• 749e089b
  by Alexander McKenna at 2024-06-22T10:43:24-04:00

  Add INLINE [1] pragma to compareInt / compareWord
  
  To allow rules to be written on the concrete implementation of
  `compare` for `Int` and `Word`, we need to have an `INLINE [1]`
  pragma on these functions, following the
  `matching_overloaded_methods_in_rules` note in `GHC.Classes`.
  
  CLC proposal https://github.com/haskell/core-libraries-committee/issues/179
  
  Fixes https://gitlab.haskell.org/ghc/ghc/-/issues/22643
  

• db033639
  by Rodrigo Mesquita at 2024-06-24T17:21:15-04:00

  ci: Enable strict ghc-toolchain setting for bindists
  

• 14308a8f
  by Rodrigo Mesquita at 2024-06-24T17:21:15-04:00

  ghc-toolchain: Improve parse failure error
  
  Improves the error message for when `ghc-toolchain` fails to read a
  valid `Target` value from a file (in doFormat mode).
  

• 6e7cfff1
  by Rodrigo Mesquita at 2024-06-24T17:21:15-04:00

  bindist: ghc-toolchain related options in configure
  

• 958d6931
  by Matthew Pickering at 2024-06-24T17:21:15-04:00

  ci: Fail when bindist configure fails when installing bindist
  
  It is better to fail earlier if the configure step fails rather than
  carrying on for a more obscure error message.
  

• f48d157d
  by Rodrigo Mesquita at 2024-06-24T17:21:15-04:00

  ghc-toolchain: Fix error logging indentation
  

• f1397104
  by Rodrigo Mesquita at 2024-06-24T17:21:15-04:00

  bindist: Correct default.target substitution
  
  The substitution on `default.target.in` must be done after
  `PREP_TARGET_FILE` is called -- that macro is responsible for
  setting the variables that will be effectively substituted in the target
  file. Otherwise, the target file is invalid.
  
  Fixes #24792 #24574
  

• 665e653e
  by Rodrigo Mesquita at 2024-06-24T17:21:15-04:00

  configure: Prefer tool name over tool path
  
  It is non-obvious whether the toolchain configuration should use
  full-paths to tools or simply their names. In addressing #24574, we've
  decided to prefer executable names over paths, ultimately, because the
  bindist configure script already does this, thus is the default in ghcs
  out there.
  
  Updates the in-tree configure script to prefer tool names
  (`AC_CHECK_TOOL` rather than `AC_PATH_TOOL`) and `ghc-toolchain` to
  ignore the full-path-result of `findExecutable`, which it previously
  used over the program name.
  
  This change doesn't undo the fix in bd92182cd56140ffb2f68ec01492e5aa6333a8fc
  because `AC_CHECK_TOOL` still takes into account the target triples,
  unlike `AC_CHECK_PROG/AC_PATH_PROG`.
  

• 463716c2
  by Rodrigo Mesquita at 2024-06-24T17:21:15-04:00

  dist: Don't forget to configure JavascriptCPP
  
  We introduced a configuration step for the javascript preprocessor, but
  only did so for the in-tree configure script.
  
  This commit makes it so that we also configure the javascript
  preprocessor in the configure shipped in the compiler bindist.
  

• e99cd73d
  by Rodrigo Mesquita at 2024-06-24T17:21:15-04:00

  distrib: LlvmTarget in distrib/configure
  
  LlvmTarget was being set and substituted in the in-tree configure, but
  not in the configure shipped in the bindist.
  
  We want to set the LlvmTarget to the canonical LLVM name of the platform
  that GHC is targetting.
  
  Currently, that is going to be the boostrapped llvm target (hence the
  code which sets LlvmTarget=bootstrap_llvm_target).
  

• 4199aafe
  by Matthew Pickering at 2024-06-24T17:21:51-04:00

  Update bootstrap plans for recent GHC versions (9.6.5, 9.8.2, 9.10.10)
  

• f599d816
  by Matthew Pickering at 2024-06-24T17:21:51-04:00

  ci: Add 9_10 bootstrap testing job
  

• 8f4b799d
  by Hécate Kleidukos at 2024-06-24T17:22:30-04:00

  haddock: Move the usage of mkParserOpts directly to ppHyperlinkedModuleSource in order to avoid passing a whole DynFlags
  
  Follow up to !12931
  

• 210cf1cd
  by Hécate Kleidukos at 2024-06-24T17:22:30-04:00

  haddock: Remove cabal file linting rule
  
  This will be reintroduced with a properly ignored commit
  when the cabal files are themselves formatted for good.
  

• 7fe85b13
  by Peter Trommler at 2024-06-24T22:03:41-04:00

  PPC NCG: Fix sign hints in C calls
  
  Sign hints for parameters are in the second component of the pair.
  
  Fixes #23034
  

• 949a0e0b
  by Andrew Lelechenko at 2024-06-24T22:04:17-04:00

  base: fix missing changelog entries
  

• 1bfa9111
  by Andreas Klebinger at 2024-06-26T21:49:53-04:00

  GHCi interpreter: Tag constructor closures when possible.
  
  When evaluating PUSH_G try to tag the reference we are pushing if it's a
  constructor. This is potentially helpful for performance and required to
  fix #24870.
  

• caf44a2d
  by Andrew Lelechenko at 2024-06-26T21:50:30-04:00

  Implement Data.List.compareLength and Data.List.NonEmpty.compareLength
  
  `compareLength xs n` is a safer and faster alternative to `compare (length xs) n`.
  The latter would force and traverse the entire spine (potentially diverging),
  while the former traverses as few elements as possible.
  
  The implementation is carefully designed to maintain as much laziness as possible.
  
  As per https://github.com/haskell/core-libraries-committee/issues/257
  

• f4606ae0
  by Serge S. Gulin at 2024-06-26T21:51:05-04:00

  Unicode: adding compact version of GeneralCategory (resolves #24789)
  
  The following features are applied:
  1. Lookup code like Cmm-switches (draft implementation proposed by Sylvain Henry @hsyl20)
  2. Nested ifs (logarithmic search vs linear search) (the idea proposed by Sylvain Henry @hsyl20)
  
  -------------------------
  Metric Decrease:
      size_hello_artifact
      size_hello_unicode
  -------------------------
  

• 0e424304
  by Hécate Kleidukos at 2024-06-26T21:51:44-04:00

  haddock: Restructure import statements
  
  This commit removes idiosyncrasies that have accumulated with the years
  in how import statements were laid out, and defines clear but simple
  guidelines in the CONTRIBUTING.md file.
  

• 9b8ddaaf
  by Arnaud Spiwack at 2024-06-26T21:52:23-04:00

  Rename test for #24725
  
  I must have fumbled my tabs when I copy/pasted the issue number in
  8c87d4e1136ae6d28e92b8af31d78ed66224ee16.
  

• b0944623
  by Arnaud Spiwack at 2024-06-26T21:52:23-04:00

  Add original reproducer for #24725
  

• 77ce65a5
  by Matthew Pickering at 2024-06-27T07:57:14-04:00

  Expand LLVM version matching regex for compability with bsd systems
  
  sed on BSD systems (such as darwin) does not support the + operation.
  
  Therefore we take the simple minded approach of manually expanding
  group+ to groupgroup*.
  
  Fixes #24999
  

• bdfe4a9e
  by Matthew Pickering at 2024-06-27T07:57:14-04:00

  ci: On darwin configure LLVMAS linker to match LLC and OPT toolchain
  
  The version check was previously broken so the toolchain was not
  detected at all.
  

• 07e03a69
  by Matthew Pickering at 2024-06-27T07:57:15-04:00

  Update nixpkgs commit for darwin toolchain
  
  One dependency (c-ares) changed where it hosted the releases which
  breaks the build with the old nixpkgs commit.
  

• 144afed7
  by Rodrigo Mesquita at 2024-06-27T07:57:50-04:00

  base: Add changelog entry for #24998
  

• eebe1658
  by Sylvain Henry at 2024-06-28T07:13:26-04:00

  X86/DWARF: support no tables-next-to-code and asm-shortcutting (#22792)
  
  - Without TNTC (tables-next-to-code), we must be careful to not
    duplicate labels in pprNatCmmDecl. Especially, as a CmmProc is
    identified by the label of its entry block (and not of its info
    table), we can't reuse the same label to delimit the block end and the
    proc end.
  
  - We generate debug infos from Cmm blocks. However, when
    asm-shortcutting is enabled, some blocks are dropped at the asm
    codegen stage and some labels in the DebugBlocks become missing.
    We fix this by filtering the generated debug-info after the asm
    codegen to only keep valid infos.
  
  Also add some related documentation.
  

• 6e86d82b
  by Sylvain Henry at 2024-06-28T07:14:06-04:00

  PPC NCG: handle JMP to ForeignLabels (#23969)
  

• 9e4b4b0a
  by Sylvain Henry at 2024-06-28T07:14:06-04:00

  PPC NCG: support loading 64-bit value on 32-bit arch (#23969)
  

• 50caef3e
  by Sylvain Henry at 2024-06-28T07:14:46-04:00

  Fix warnings in genapply
  

• 37139b17
  by Matthew Pickering at 2024-06-28T07:15:21-04:00

  libraries: Update os-string to 2.0.4
  
  This updates the os-string submodule to 2.0.4 which removes the usage of
  `TemplateHaskell` pragma.
  

• 0f3d3bd6
  by Sylvain Henry at 2024-06-30T00:47:40-04:00

  Bump array submodule
  

• 354c350c
  by Sylvain Henry at 2024-06-30T00:47:40-04:00

  GHCi: Don't use deprecated sizeofMutableByteArray#
  

• 35d65098
  by Ben Gamari at 2024-06-30T00:47:40-04:00

  primops: Undeprecate addr2Int# and int2Addr#
  
  addr2Int# and int2Addr# were marked as deprecated with the introduction
  of the OCaml code generator (1dfaee318171836b32f6b33a14231c69adfdef2f)
  due to its use of tagged integers. However, this backend has long
  vanished and `base` has all along been using `addr2Int#` in the Show
  instance for Ptr.
  
  While it's unlikely that we will have another backend which has tagged
  integers, we may indeed support platforms which have tagged pointers.
  Consequently we undeprecate the operations but warn the user that the
  operations may not be portable.
  

• 3157d817
  by Sylvain Henry at 2024-06-30T00:47:41-04:00

  primops: Undeprecate par#
  
  par# is still used in base and it's not clear how to replace it with
  spark# (see #24825)
  

• c8d5b959
  by Ben Gamari at 2024-06-30T00:47:41-04:00

  Primops: Make documentation generation more efficient
  
  Previously we would do a linear search through all primop names, doing a
  String comparison on the name of each when preparing the HsDocStringMap.
  Fix this.
  

• 65165fe4
  by Ben Gamari at 2024-06-30T00:47:41-04:00

  primops: Ensure that deprecations are properly tracked
  
  We previously failed to insert DEPRECATION pragmas into GHC.Prim's
  ModIface, meaning that they would appear in the Haddock documentation
  but not issue warnings. Fix this.
  
  See #19629. Haddock also needs to be fixed: https://github.com/haskell/haddock/issues/223
  
  Co-authored-by: Sylvain Henry <sylvain@haskus.fr>
  

• bc1d435e
  by Mario Blažević at 2024-06-30T00:48:20-04:00

  Improved pretty-printing of unboxed TH sums and tuples, fixes #24997
  

• 0d170eaf
  by Zubin Duggal at 2024-07-04T11:08:41-04:00

  compiler: Turn `FinderCache` into a record of operations so that GHC API clients can
  have full control over how its state is managed by overriding `hsc_FC`.
  
  Also removes the `uncacheModule` function as this wasn't being used by anything
  since 1893ba12fe1fa2ade35a62c336594afcd569736e
  
  Fixes #23604
  

• 4664997d
  by Teo Camarasu at 2024-07-04T11:09:18-04:00

  Add HasCallStack to T23221
  
  This makes the test a bit easier to debug
  

• 66919dcc
  by Teo Camarasu at 2024-07-04T11:09:18-04:00

  rts: use live words to estimate heap size
  
  We use live words rather than live blocks to determine the size of the
  heap for determining memory retention.
  
  Most of the time these two metrics align, but they can come apart in
  normal usage when using the nonmoving collector.
  
  The nonmoving collector leads to a lot of partially occupied blocks. So,
  using live words is more accurate.
  
  They can also come apart when the heap is suffering from high levels
  fragmentation caused by small pinned objects, but in this case, the
  block size is the more accurate metric. Since this case is best avoided
  anyway. It is ok to accept the trade-off that we might try (and
  probably) fail to return more memory in this case.
  
  See also the Note [Statistics for retaining memory]
  
  Resolves #23397
  

• 8dfca66a
  by Oleg Grenrus at 2024-07-04T11:09:55-04:00

  Add reflections of GHC.TypeLits/Nats type families
  
  -------------------------
  Metric Increase:
      ghc_experimental_dir
      ghc_experimental_so
  -------------------------
  

• 6c469bd2
  by Adam Gundry at 2024-07-04T11:10:33-04:00

  Correct -Wpartial-fields warning to say "Definition" rather than "Use"
  
  Fixes #24710.  The message and documentation for `-Wpartial-fields` were
  misleading as (a) the warning occurs at definition sites rather than use
  sites, and (b) the warning relates to the definition of a field independently
  of the selector function (e.g. because record updates are also partial).
  

• 977b6b64
  by Max Ulidtko at 2024-07-04T11:11:11-04:00

  GHCi: Support local Prelude
  
  Fixes #10920, an issue where GHCi bails out when started alongside a
  file named Prelude.hs or Prelude.lhs (even empty file suffices).
  
  The in-source Note [GHCi and local Preludes] documents core reasoning.
  
  Supplementary changes:
  
   * add debug traces for module lookups under -ddump-if-trace;
   * drop stale comment in GHC.Iface.Load;
   * reduce noise in -v3 traces from GHC.Utils.TmpFs;
   * new test, which also exercizes HomeModError.
  

• 87cf4111
  by Ryan Scott at 2024-07-04T11:11:47-04:00

  Add missing gParPat in cvtp's ViewP case
  
  When converting a `ViewP` using `cvtp`, we need to ensure that the view pattern
  is parenthesized so that the resulting code will parse correctly when
  roundtripped back through GHC's parser.
  
  Fixes #24894.
  

• b05613c5
  by Adam Gundry at 2024-07-04T11:12:23-04:00

  Use structured error representation for module cycle errors (see #18516)
  
  This removes the re-export of cyclicModuleErr from the top-level GHC module.
  

• 70389749
  by Adam Gundry at 2024-07-04T11:12:23-04:00

  Use structured error representation when reloading a nonexistent module
  

• 680ade3d
  by sheaf at 2024-07-04T11:12:23-04:00

  Use structured errors for a Backpack instantiation error
  

• 97c6d6de
  by sheaf at 2024-07-04T11:12:23-04:00

  Move mkFileSrcSpan to GHC.Unit.Module.Location
  

• f9e7bd9b
  by Adriaan Leijnse at 2024-07-04T11:12:59-04:00

  ttg: Remove SourceText from OverloadedLabel
  
  Progress towards #21592
  

• 00d63245
  by Alexander Foremny at 2024-07-04T11:12:59-04:00

  AST: GHC.Prelude -> Prelude
  
  Refactor occurrences to GHC.Prelude with Prelude within
  Language/Haskell.
  
  Progress towards #21592
  

• cc846ea5
  by Alexander Foremny at 2024-07-04T11:12:59-04:00

  AST: remove occurrences of GHC.Unit.Module.ModuleName
  
  `GHC.Unit.Module` re-exports `ModuleName` from
  `Language.Haskell.Syntax.Module.Name`.
  
  Progress towards #21592
  

• 24c7d287
  by Fabian Kirchner at 2024-07-04T11:12:59-04:00

  AST: move Data instance definition for ModuleName to GHC.Unit.Types
  
  To remove the dependency on GHC.Utils.Misc inside
  Language.Haskell.Syntax.Module.Name, the instance definition is moved
  from there into GHC.Unit.Types.
  
  Progress towards #21592
  

• 6cbba381
  by Fabian Kirchner at 2024-07-04T11:12:59-04:00

  AST: move negateOverLitVal into GHC.Hs.Lit
  
  The function negateOverLitVal is not used within Language.Haskell and
  therefore can be moved to the respective module inside GHC.Hs.
  
  Progress towards #21592
  

• 611aa7c6
  by Fabian Kirchner at 2024-07-04T11:12:59-04:00

  AST: move conDetailsArity into GHC.Rename.Module
  
  The function conDetailsArity is only used inside GHC.Rename.Module.  We
  therefore move it there from Language.Haskell.Syntax.Lit.
  
  Progress towards #21592
  

• 1b968d16
  by Mauricio at 2024-07-04T11:12:59-04:00

  AST: Remove GHC.Utils.Assert from GHC
  
  Simple cleanup.
  
  Progress towards #21592
  

• 3d192e5d
  by Fabian Kirchner at 2024-07-04T11:12:59-04:00

  ttg: extract Specificity, ForAllTyFlag and helper functions from GHC.Types.Var
  
  Progress towards #21592
  
  Specificity, ForAllTyFlag and its' helper functions are extracted from
  GHC.Types.Var and moved into a new module Language.Haskell.Syntax.Specificity.
  
  Note: Eventually (i.e. after Language.Haskell.Syntax.Decls does not depend on
  GHC.* anymore) these should be moved into Language.Haskell.Syntax.Decls.
  At this point, this would cause cyclic dependencies.
  

• 257d1adc
  by Adowrath at 2024-07-04T11:12:59-04:00

  ttg: Split HsSrcBang, remove ref to DataCon from Syntax.Type
  
  Progress towards #21592
  
  This splits HsSrcBang up, creating the new HsBang within
  `Language.Haskell.Syntax.Basic`. `HsBang` holds the unpackedness
  and strictness information, while `HsSrcBang` only adds the SourceText
  for usage within the compiler directly.
  
  Inside the AST, to preserve the SourceText, it is hidden behind the
  pre-existing extension point `XBindTy`. All other occurrences of
  `HsSrcBang` were adapted to deconstruct the inner `HsBang`, and when
  interacting with the `BindTy` constructor, the hidden `SourceText` is
  extracted/inserted into the `XBindTy` extension point.
  
  `GHC.Core.DataCon` exports both `HsSrcBang` and `HsBang` for
  convenience. A constructor function `mkHsSrcBang` that takes all
  individual components has been added.
  
  Two exceptions has been made though:
  - The `Outputable HsSrcBang` instance is replaced by
    `Outputable HsBang`. While being only GHC-internal, the only place
    it's used is in outputting `HsBangTy` constructors -- which already
    have `HsBang`. It wouldn't make sense to reconstruct a `HsSrcBang` just
    to ignore the `SourceText` anyway.
  - The error `TcRnUnexpectedAnnotation` did not use the `SourceText`,
    so it too now only holds a `HsBang`.
  

• 24757fec
  by Mauricio at 2024-07-04T11:12:59-04:00

  AST: Moved definitions that use GHC.Utils.Panic to GHC namespace
  
  Progress towards #21592
  

• 9be49379
  by Mike Pilgrem at 2024-07-04T11:13:41-04:00

  Fix #25032 Refer to Cabal's `includes` field, not `include-files`
  

• 9e2ecf14
  by Andrew Lelechenko at 2024-07-04T11:14:17-04:00

  base: fix more missing changelog entries
  

• a82121b3
  by Peter Trommler at 2024-07-04T11:14:53-04:00

  X86 NCG: Fix argument promotion in foreign C calls
  
  Promote 8 bit and 16 bit signed arguments by sign extension.
  
  Fixes #25018
  

• fab13100
  by Bryan Richter at 2024-07-04T11:15:29-04:00

  Add .gitlab/README.md with creds instructions
  

• 564981bd
  by Matthew Pickering at 2024-07-05T07:35:29-04:00

  configure: Set LD_STAGE0 appropiately when 9.10.1 is used as a boot compiler
  
  In 9.10.1 the "ld command" has been removed, so we fall back to using
  the more precise "merge objects command" when it's available as
  LD_STAGE0 is only used to set the object merging command in hadrian.
  
  Fixes #24949
  

• a949c792
  by Matthew Pickering at 2024-07-05T07:35:29-04:00

  hadrian: Don't build ghci object files for ./hadrian/ghci target
  
  There is some convoluted logic which determines whether we build ghci
  object files are not. In any case, if you set `ghcDynPrograms = pure
  False` then it forces them to be built.
  
  Given we aren't ever building executables with this flavour it's fine
  to leave `ghcDynPrograms` as the default and it should be a bit faster
  to build less.
  
  Also fixes #24949
  

• 48bd8f8e
  by Matthew Pickering at 2024-07-05T07:36:06-04:00

  hadrian: Remove STG dump from ticky_ghc flavour transformer
  
  This adds 10-15 minutes to build time, it is a better strategy to
  precisely enable dumps for the modules which show up prominently in a
  ticky profile.
  
  Given I am one of the only people regularly building ticky compilers I
  think it's worthwhile to remove these.
  
  Fixes #23635
  

• 5b1aefb7
  by Matthew Pickering at 2024-07-05T07:36:06-04:00

  hadrian: Add dump_stg flavour transformer
  
  This allows you to write `--flavour=default+ticky_ghc+dump_stg` if you
  really want STG for all modules.
  

• ab2b60b6
  by Sven Tennie at 2024-07-08T15:03:41-04:00

  AArch64: Simplify stmtToInstrs type
  
  There's no need to hand `Nothing`s around... (there was no case with a
  `BlockId`.)
  

• 71a7fa8c
  by Sven Tennie at 2024-07-08T15:03:41-04:00

  AArch64: Simplify stmtsToInstrs type
  
  The `BlockId` parameter (`bid`) is never used, only handed around.
  Deleting it simplifies the surrounding code.
  

• 8bf6fd68
  by Simon Peyton Jones at 2024-07-08T15:04:17-04:00

  Fix eta-expansion in Prep
  
  As #25033 showed, we were eta-expanding in a way that broke a join point,
  which messed up Note [CorePrep invariants].
  
  The fix is rather easy.  See Wrinkle (EA1) of
  Note [Eta expansion of arguments in CorePrep]
  

• 96acf823
  by Sjoerd Visscher at 2024-07-09T06:16:14-04:00

  One-shot Haddock
  

• 74ec4c06
  by Sjoerd Visscher at 2024-07-09T06:16:14-04:00

  Remove haddock-stdout test option
  
  Superseded by output handling of Hadrian
  

• ed8a8f0b
  by Rodrigo Mesquita at 2024-07-09T06:16:51-04:00

  ghc-boot: Relax Cabal bound
  
  Fixes #25013
  

• 3f9548fe
  by Matthew Pickering at 2024-07-09T06:17:36-04:00

  ci: Unset ALEX/HAPPY variables when testing bootstrap jobs
  
  Ticket #24826 reports a regression in 9.10.1 when building from a source
  distribution. This patch is an attempt to reproduce the issue on CI by
  more aggressively removing `alex` and `happy` from the environment.
  

• aba2c9d4
  by Andrea Bedini at 2024-07-09T06:17:36-04:00

  hadrian: Ignore build-tool-depends fields in cabal files
  
  hadrian does not utilise the build-tool-depends fields in cabal files
  and their presence can cause issues when building source distribution
  (see #24826)
  
  Ideally Cabal would support building "full" source distributions which
  would remove the need for workarounds in hadrian but for now we can
  patch the build-tool-depends out of the cabal files.
  
  Fixes #24826
  

• 12bb9e7b
  by Matthew Pickering at 2024-07-09T06:18:12-04:00

  testsuite: Don't attempt to link when checking whether a way is supported
  
  It is sufficient to check that the simple test file compiles as it will
  fail if there are not the relevant library files for the requested way.
  
  If you break a way so badly that even a simple executable fails to link
  (as I did for profiled dynamic way), it will just mean the tests for
  that way are skipped on CI rather than displayed.
  

• 46ec0a8e
  by Torsten Schmits at 2024-07-09T13:37:02+02:00

  Improve docs for NondecreasingIndentation
  
  The text stated that this affects indentation of layouts nested in do
  expressions, while it actually affects that of do layouts nested in any
  other.
  

• dddc9dff
  by Zubin Duggal at 2024-07-12T11:41:24-04:00

  compiler: Fingerprint -fwrite-if-simplified-core
  
  We need to recompile if this flag is changed because later modules might depend on the
  simplified core for this module if -fprefer-bytecode is enabled.
  
  Fixes #24656
  

• 145a6477
  by Matthew Pickering at 2024-07-12T11:42:00-04:00

  Add support for building profiled dynamic way
  
  The main payload of this change is to hadrian.
  
  * Default settings will produced dynamic profiled objects
  * `-fexternal-interpreter` is turned on in some situations when there is
    an incompatibility between host GHC and the way attempting to be
    built.
  * Very few changes actually needed to GHC
  
  There are also necessary changes to the bootstrap plans to work with the
  vendored Cabal dependency. These changes should ideally be reverted by
  the next GHC release.
  
  In hadrian support is added for building profiled dynamic libraries
  (nothing too exciting to see there)
  
  Updates hadrian to use a vendored Cabal submodule, it is important that
  we replace this usage with a released version of Cabal library before
  the 9.12 release.
  
  Fixes #21594
  
  -------------------------
  Metric Increase:
      libdir
  -------------------------
  

• 414a6950
  by Matthew Pickering at 2024-07-12T11:42:00-04:00

  testsuite: Make find_so regex more precise
  
  The hash contains lowercase [a-z0-9] and crucially not _p which meant we
  sometimes matched on `libHS.._p` profiled shared libraries rather than
  the normal shared library.
  

• dee035bf
  by Alex Mason at 2024-07-12T11:42:41-04:00

  ncg(aarch64): Add fsqrt instruction, byteSwap primitives [#24956]
  
  Implements the FSQRT machop using native assembly rather than a C call.
  
  Implements MO_BSwap by producing assembly to do the byte swapping
  instead of producing a foreign call a C function.
  
  In `tar`, the hot loop for `deserialise` got almost 4x faster by
  avoiding the foreign call which caused spilling live variables to the
  stack -- this means the loop did 4x more memory read/writing than
  necessary in that particular case!
  

• 5104ee61
  by Sylvain Henry at 2024-07-12T11:43:23-04:00

  Linker: use m32 allocator for sections when NEED_PLT (#24432)
  
  Use M32 allocator to avoid fragmentation when allocating ELF sections.
  We already did this when NEED_PLT was undefined. Failing to do this led
  to relocations impossible to fulfil (#24432).
  

• 52d66984
  by Sylvain Henry at 2024-07-12T11:43:23-04:00

  RTS: allow M32 allocation outside of 4GB range when assuming -fPIC
  

• c34fef56
  by Sylvain Henry at 2024-07-12T11:43:23-04:00

  Linker: fix stub offset
  
  Remove unjustified +8 offset that leads to memory corruption (cf
  discussion in #24432).
  

• 280e4bf5
  by Simon Peyton Jones at 2024-07-12T11:43:59-04:00

  Make type-equality on synonyms a bit faster
  
  This MR make equality fast for (S tys1 `eqType` S tys2),
  where S is a non-forgetful type synonym.
  
  It doesn't affect compile-time allocation much, but then comparison doesn't
  allocate anyway.  But it seems like a Good Thing anyway.
  
  See Note [Comparing type synonyms] in GHC.Core.TyCo.Compare
  and Note [Forgetful type synonyms] in GHC.Core.TyCon
  
  Addresses #25009.
  

• cb83c347
  by Alan Zimmerman at 2024-07-12T11:44:35-04:00

  EPA: Bring back SrcSpan in EpaDelta
  
  When processing files in ghc-exactprint, the usual workflow is to
  first normalise it with makeDeltaAst, and then operate on it.
  
  But we need the original locations to operate on it, in terms of
  finding things.
  
  So restore the original SrcSpan for reference in EpaDelta
  

• 7bcda869
  by Matthew Pickering at 2024-07-12T11:45:11-04:00

  Update alpine release job to 3.20
  
  alpine 3.20 was recently released and uses a new python and sphinx
  toolchain which could be useful to test.
  

• 43aa99b8
  by Matthew Pickering at 2024-07-12T11:45:11-04:00

  testsuite: workaround bug in python-3.12
  
  There is some unexplained change to binding behaviour in python-3.12
  which requires moving this import from the top-level into the scope of
  the function.
  
  I didn't feel any particular desire to do a deep investigation as to why
  this changed as the code works when modified like this. No one in the
  python IRC channel seemed to know what the problem was.
  

• e3914028
  by Adam Sandberg Ericsson at 2024-07-12T11:45:47-04:00

  initialise mmap_32bit_base during RTS startup #24847

• 86b8ecee
  by Hécate Kleidukos at 2024-07-12T11:46:27-04:00

  haddock: Only fetch supported languages and extensions once per Interface list
  
  This reduces the number of operations done on each Interface, because
  supported languages and extensions are determined from architecture and
  operating system of the build host. This information remains stable
  across Interfaces, and as such doesn not need to be recovered for each
  Interface.
  

• 4f85366f
  by sheaf at 2024-07-13T05:58:14-04:00

  Testsuite: use py-cpuinfo to compute CPU features
  
  This replaces the rather hacky logic we had in place for checking
  CPU features. In particular, this means that feature availability now
  works properly on Windows.
  

• 41f1354d
  by Matthew Pickering at 2024-07-13T05:58:51-04:00

  testsuite: Replace $CC with $TEST_CC
  
  The TEST_CC variable should be set based on the test compiler, which may
  be different to the compiler which is set to CC on your system (for
  example when cross compiling).
  
  Fixes #24946
  

• 572fbc44
  by sheaf at 2024-07-15T08:30:32-04:00

  isIrrefutableHsPat: consider COMPLETE pragmas
  
  This patch ensures we taken into account COMPLETE pragmas when we
  compute whether a pattern is irrefutable. In particular, if a pattern
  synonym is the sole member of a COMPLETE pragma (without a result TyCon),
  then we consider a pattern match on that pattern synonym to be irrefutable.
  
  This affects the desugaring of do blocks, as it ensures we don't use
  a "fail" operation.
  
  Fixes #15681 #16618 #22004
  

• 84dadea9
  by Zubin Duggal at 2024-07-15T08:31:09-04:00

  haddock: Handle non-hs files, so that haddock can generate documentation for modules with
  foreign imports and template haskell.
  
  Fixes #24964
  

• 0b4ff9fa
  by Zubin Duggal at 2024-07-15T12:12:30-04:00

  haddock: Keep track of warnings/deprecations from dependent packages in `InstalledInterface`
  and use this to propagate these on items re-exported from dependent packages.
  
  Fixes #25037
  

• b8b4b212
  by Zubin Duggal at 2024-07-15T12:12:30-04:00

  haddock: Keep track of instance source locations in `InstalledInterface` and use this to add
  source locations on out of package instances
  
  Fixes #24929
  

• 559a7a7c
  by Matthew Pickering at 2024-07-15T12:13:05-04:00

  ci: Refactor job_groups definition, split up by platform
  
  The groups are now split up so it's easier to see which jobs are
  generated for each platform
  
  No change in behaviour, just refactoring.
  

• 20383006
  by Matthew Pickering at 2024-07-16T11:48:25+01:00

  ci: Replace debian 10 with debian 12 on validation jobs
  
  Since debian 10 is now EOL we migrate onwards to debian 12 as the basis
  for most platform independent validation jobs.
  

• 12d3b66c
  by Matthew Pickering at 2024-07-17T13:22:37-04:00

  ghcup-metadata: Fix use of arch argument
  
  The arch argument was ignored when making the jobname, which lead to
  failures when generating metadata for the alpine_3_18-aarch64 bindist.
  
  Fixes #25089
  

• bace981e
  by Matthew Pickering at 2024-07-19T10:14:02-04:00

  testsuite: Delay querying ghc-pkg to find .so dirs until test is run
  
  The tests which relied on find_so would fail when `test` was run
  before the tree was built. This was because `find_so` was evaluated too
  eagerly.
  
  We can fix this by waiting to query the location of the libraries until
  after the compiler has built them.
  

• 478de1ab
  by Torsten Schmits at 2024-07-19T10:14:37-04:00

  Add `complete` pragmas for backwards compat patsyns `ModLocation` and `ModIface`
  
  !12347 and !12582 introduced breaking changes to these two constructors
  and mitigated that with pattern synonyms.
  

• b57792a8
  by Matthew Pickering at 2024-07-19T10:15:13-04:00

  ci: Fix ghcup-metadata generation (again)
  
  I made some mistakes in 203830065b81fe29003c1640a354f11661ffc604
  
  * Syntax error
  * The aarch-deb11 bindist doesn't exist
  
  I tested against the latest nightly pipeline locally:
  
  ```
  nix run .gitlab/generate-ci#generate-job-metadata
  nix shell -f .gitlab/rel_eng/ -c ghcup-metadata --pipeline-id 98286 --version 9.11.20240715 --fragment --date 2024-07-17 --metadata=/tmp/meta
  ```
  

• 1fa35b64
  by Andreas Klebinger at 2024-07-19T17:35:20+02:00

  Revert "Allow non-absolute values for bootstrap GHC variable"
  
  This broke configure in subtle ways resulting in #25076 where hadrian
  didn't end up the boot compiler it was configured to use.
  
  This reverts commit 209d09f52363b261b900cf042934ae1e81e2caa7.
  

• 55117e13
  by Simon Peyton Jones at 2024-07-24T02:41:12-04:00

  Fix bad bug in mkSynonymTyCon, re forgetfulness
  
  As #25094 showed, the previous tests for forgetfulness was
  plain wrong, when there was a forgetful synonym in the RHS
  of a synonym.
  

• a8362630
  by Sergey Vinokurov at 2024-07-24T12:22:45-04:00

  Define Eq1, Ord1, Show1 and Read1 instances for basic Generic representation types
  
  This way the Generically1 newtype could be used to derive Eq1 and Ord1
  for user types with DerivingVia.
  
  The CLC proposal is https://github.com/haskell/core-libraries-committee/issues/273.
  
  The GHC issue is https://gitlab.haskell.org/ghc/ghc/-/issues/24312.
  

• de5d9852
  by Simon Peyton Jones at 2024-07-24T12:23:22-04:00

  Address #25055, by disabling case-of-runRW# in Gentle phase
  
  See Note [Case-of-case and full laziness]
  in GHC.Driver.Config.Core.Opt.Simplify
  

• 3f89ab92
  by Andreas Klebinger at 2024-07-25T14:12:54+02:00

  Fix -freg-graphs for FP and AARch64 NCG (#24941).
  
  It seems we reserve 8 registers instead of four for global regs
  based on the layout in Note [AArch64 Register assignments].
  
  I'm not sure it's neccesary, but for now we just accept this state of
  affairs and simple update -fregs-graph to account for this.
  

• f6b4c1c9
  by Simon Peyton Jones at 2024-07-27T09:45:44-04:00

  Fix nasty bug in occurrence analyser
  
  As #25096 showed, the occurrence analyser was getting one-shot info
  flat out wrong.
  
  This commit does two things:
  
  * It fixes the bug and actually makes the code a bit tidier too.
    The work is done in the new function
       GHC.Core.Opt.OccurAnal.mkRhsOccEnv,
    especially the bit that prepares the `occ_one_shots` for the RHS.
  
    See Note [The OccEnv for a right hand side]
  
  * When floating out a binding we must be conservative about one-shot
    info.  But we were zapping the entire demand info, whereas we only
    really need zap the /top level/ cardinality.
  
    See Note [Floatifying demand info when floating]
    in GHC.Core.Opt.SetLevels
  
  For some reason there is a 2.2% improvement in compile-time allocation
  for CoOpt_Read.  Otherwise nickels and dimes.
  
  Metric Decrease:
      CoOpt_Read
  

• 646ee207
  by Torsten Schmits at 2024-07-27T09:46:20-04:00

  add missing cell in flavours table
  

• ec2eafdb
  by Ben Gamari at 2024-07-28T20:51:12+02:00

  users-guide: Drop mention of dead __PARALLEL_HASKELL__ macro
  
  This has not existed for over a decade.
  

• e2f2a56e
  by Arnaud Spiwack at 2024-07-28T22:21:07-04:00

  Add tests for 25081
  

• 23f50640
  by Arnaud Spiwack at 2024-07-28T22:21:07-04:00

  Scale multiplicity in list comprehension
  
  Fixes #25081
  

• d2648289
  by romes at 2024-07-30T01:38:12-04:00

  TTG HsCmdArrForm: use Fixity via extension point
  
  Also migrate Fixity from GHC.Hs to Language.Haskell.Syntax
  since it no longer uses any GHC-specific data types.
  
  Fixed arrow desugaring bug. (This was dead code before.)
  Remove mkOpFormRn, it is also dead code, only used in the arrow
  desugaring now removed.
  
  Co-authored-by: Fabian Kirchner <kirchner@posteo.de>
  Co-authored-by: Alan Zimmerman <alan.zimm@gmail.com>
  

• e258ad54
  by Matthew Pickering at 2024-07-30T01:38:48-04:00

  ghcup-metadata: More metadata fixes
  
  * Incorrect version range on the alpine bindists
  * Missing underscore in "unknown_versioning"
  
  Fixes #25119
  

• 72b54c07
  by Rodrigo Mesquita at 2024-08-01T00:47:29-04:00

  Deriving-via one-shot strict state Monad instances
  
  A small refactor to use deriving via GHC.Utils.Monad.State.Strict
  Monad instances for state Monads with unboxed/strict results which all
  re-implemented the one-shot trick in the instance and used unboxed
  tuples:
  
  * CmmOptM in GHC.Cmm.GenericOpt
  * RegM in GHC.CmmToAsm.Reg.Linear.State
  * UniqSM in GHC.Types.Unique.Supply
  

• bfe4b3d3
  by doyougnu at 2024-08-01T00:48:06-04:00

  Rts linker: add case for pc-rel 64 relocation
  
  part of the upstream haskell.nix patches
  

• 5843c7e3
  by doyougnu at 2024-08-01T00:48:42-04:00

  RTS linker: aarch64: better debug information
  
  Dump better debugging information when a symbol address is null.
  
  Part of the haskell.nix patches upstream project
  
  Co-authored-by: Sylvain Henry <sylvain@haskus.fr>
  

• c2e9c581
  by Rodrigo Mesquita at 2024-08-01T00:49:18-04:00

  base: Add haddocks to HasExceptionContext
  
  Fixes #25091
  

• f954f428
  by Sylvain Henry at 2024-08-01T00:49:59-04:00

  Only lookup ghcversion.h file in the RTS include-dirs by default.
  
  The code was introduced in 3549c952b535803270872adaf87262f2df0295a4.
  It used `getPackageIncludePath` which name doesn't convey that it looks
  into all include paths of the preload units too. So this behavior is
  probably unintentional and it should be ok to change it.
  
  Fix #25106
  

• 951ce3d5
  by Matthew Pickering at 2024-08-01T00:50:35-04:00

  driver: Fix -Wmissing-home-modules when multiple units have the same module name
  
  It was assumed that module names were unique but that isn't true with
  multiple units.
  
  The fix is quite simple, maintain a set of `(ModuleName, UnitId)` and
  query that to see whether the module has been specified.
  
  Fixes #25122
  

• bae1fea4
  by sheaf at 2024-08-01T00:51:15-04:00

  PMC: suggest in-scope COMPLETE sets when possible
  
  This commit modifies GHC.HsToCore.Pmc.Solver.generateInhabitingPatterns
  to prioritise reporting COMPLETE sets in which all of the ConLikes
  are in scope. This avoids suggesting out of scope constructors
  when displaying an incomplete pattern match warning, e.g. in
  
    baz :: Ordering -> Int
    baz = \case
      EQ -> 5
  
  we prefer:
  
    Patterns of type 'Ordering' not matched:
        LT
        GT
  
  over:
  
    Patterns of type 'Ordering' not matched:
        OutOfScope
  
  Fixes #25115
  

• ff158fcd
  by Tommy Bidne at 2024-08-02T01:14:32+12:00

  Print exception metadata in default handler
  
  CLC proposals 231 and 261:
  
  - Add exception type metadata to SomeException's displayException.
  - Add "Exception" header to default exception handler.
  
  See:
  
  https://github.com/haskell/core-libraries-committee/issues/231
  https://github.com/haskell/core-libraries-committee/issues/261
  
  Update stm submodule for test fixes.
  

• 8b2f70a2
  by Andrei Borzenkov at 2024-08-01T23:00:46-04:00

  Type syntax in expressions (#24159, #24572, #24226)
  
  This patch extends the grammar of expressions with syntax that is
  typically found only in types:
    * function types (a -> b), (a ->. b), (a %m -> b)
    * constrained types (ctx => t)
    * forall-quantification (forall tvs. t)
  
  The new forms are guarded behind the RequiredTypeArguments extension,
  as specified in GHC Proposal #281. Examples:
  
    {-# LANGUAGE RequiredTypeArguments #-}
    e1 = f (Int    -> String)          -- function type
    e2 = f (Int %1 -> String)          -- linear function type
    e3 = f (forall a. Bounded a => a)  -- forall type, constraint
  
  The GHC AST and the TH AST have been extended as follows:
  
     syntax        | HsExpr   | TH.Exp
    ---------------+----------+--------------
     a -> b        | HsFunArr | ConE (->)
     a %m -> b     | HsFunArr | ConE FUN
     ctx => t      | HsQual   | ConstrainedE
     forall a. t   | HsForAll | ForallE
     forall a -> t | HsForAll | ForallVisE
  
  Additionally, a new warning flag -Wview-pattern-signatures has been
  introduced to aid with migration to the new precedence of (e -> p :: t).
  
  Co-authored-by: Vladislav Zavialov <vlad.z.4096@gmail.com>
  

• 66e7f57d
  by Brandon Chinn at 2024-08-01T21:50:58-07:00

  Implement MultilineStrings (#24390)
  
  This commit adds support for multiline strings, proposed at
  https://github.com/ghc-proposals/ghc-proposals/pull/569.
  Multiline strings can now be written as:
  
      myString =
        """
        this is a
        multiline string
        """
  
  The multiline string will have leading indentation stripped away.
  Full details of this post-processing may be found at the new
  GHC.Parser.String module.
  
  In order to cleanly implement this and maximize reusability, I
  broke out the lexing logic for strings out of Lexer.x into a
  new GHC.Parser.String module, which lexes strings with any
  provided "get next character" function. This also gave us the
  opportunity to clean up this logic, and even optimize it a bit.
  With this change, parsing string literals now takes 25% less
  time and 25% less space.
  

• cf47b96f
  by Rodrigo Mesquita at 2024-08-03T05:59:40-04:00

  hi: Stable sort avails
  
  Sorting the Avails in DocStructures is required to produce fully
  deterministic interface files in presence of re-exported modules.
  
  Fixes #25104
  

• af2ae742
  by M. Taimoor Zaeem at 2024-08-03T18:52:50+05:00

  haddock: decrease margin on top of small headings
  

• a1e42e7a
  by Rodrigo Mesquita at 2024-08-05T21:03:04-04:00

  hi: Deterministic ImportedMods in Usages
  
  The `mi_usages` field of the interface files must use a deterministic
  list of `Usage`s to guarantee a deterministic interface. However, this
  list was, in its origins, constructed from a `ModuleEnv` which uses a
  non-deterministic ordering that was leaking into the interface.
  
  Specifically, ImportedMods = ModuleEnv ... would get converted to a list and
  then passed to `mkUsageInfo` to construct the Usages.
  
  The solution is simple. Back `ImportedMods` with a deterministic map.
  `Map Module ...` is enough, since the Ord instance for `Module` already
  uses a stable, deterministic, comparison.
  
  Fixes #25131
  

• eb1cb536
  by Serge S. Gulin at 2024-08-06T08:54:55+00:00

  testsuite: extend size performance tests with gzip (fixes #25046)
  
  The main purpose is to create tests for minimal app (hello world and its variations, i.e. unicode used) distribution size metric.
  
  Many platforms support distribution in compressed form via gzip. It would be nice to collect information on how much size is taken by the executional bundle for each platform at minimal edge case.
  
  2 groups of tests are added:
  1. We extend javascript backend size tests with gzip-enabled versions for all cases where an optimizing compiler is used (for now it is google closure compiler).
  2. We add trivial hello world tests with gzip-enabled versions for all other platforms at CI pipeline where no external optimizing compiler is used.
  

• d94410f8
  by Rodrigo Mesquita at 2024-08-07T11:49:19-04:00

  ghc-internal: @since for backtraceDesired
  
  Fixes point 1 in #25052
  

• bfe600f5
  by Rodrigo Mesquita at 2024-08-07T11:49:19-04:00

  ghc-internal: No trailing whitespace in exceptions
  
  Fixes #25052
  

• 62650d9f
  by Andreas Klebinger at 2024-08-07T11:49:54-04:00

  Add since annotation for -fkeep-auto-rules.
  
  This partially addresses #25082.
  

• 5f0e23fd
  by Andreas Klebinger at 2024-08-07T11:49:54-04:00

  Mention `-fkeep-auto-rules` in release notes.
  
  It was added earlier but hadn't appeared in any release notes yet.
  Partially addresses #25082.
  

• 7446a09a
  by Sylvain Henry at 2024-08-07T11:50:35-04:00

  Cmm: don't perform unsound optimizations on 32-bit compiler hosts
  
  - beef61351b240967b49169d27a9a19565cf3c4af enabled the use of
    MO_Add/MO_Sub for 64-bit operations in the C and LLVM backends
  - 6755d833af8c21bbad6585144b10e20ac4a0a1ab did the same for the x86 NCG
    backend
  
  However we store some literal values as `Int` in the compiler. As a
  result, some Cmm optimizations transformed target 64-bit literals into
  compiler `Int`. If the compiler is 32-bit, this leads to computing with
  wrong literals (see #24893 and #24700).
  
  This patch disables these Cmm optimizations for 32-bit compilers. This
  is unsatisfying (optimizations shouldn't be compiler-word-size
  dependent) but it fixes the bug and it makes the patch easy to backport.
  A proper fix would be much more invasive but it shall be implemented in
  the future.
  
  Co-authored-by: amesgen <amesgen@amesgen.de>
  

• d59faaf2
  by Vladislav Zavialov at 2024-08-07T11:51:11-04:00

  docs: Update info on RequiredTypeArguments
  
  Add a section on "types in terms" that were implemented in 8b2f70a202
  and remove the now outdated suggestion of using `type` for them.
  

• 39fd6714
  by Sylvain Henry at 2024-08-07T11:51:52-04:00

  JS: fix minor typo in base's jsbits
  

• e7764575
  by Sylvain Henry at 2024-08-07T11:51:52-04:00

  RTS: remove hack to force old cabal to build a library with only JS sources
  
  Need to extend JSC externs with Emscripten RTS definitions to avoid
  JSC_UNDEFINED_VARIABLE errors when linking without the emcc rts.
  
  Fix #25138
  
  Some recompilation avoidance tests now fail. This is tracked with the
  other instances of this failure in #23013. My hunch is that they were
  working by chance when we used the emcc linker.
  
  Metric Decrease:
      T24602_perf_size
  

• d1a40233
  by Brandon Chinn at 2024-08-07T11:53:08-04:00

  Support multiline strings in type literals (#25132)
  

• 610840eb
  by Sylvain Henry at 2024-08-07T11:53:50-04:00

  JS: fix callback documentation (#24377)
  
  Fix #24377
  

• 6ae4b76a
  by Zubin Duggal at 2024-08-13T13:36:57-04:00

  haddock: Build haddock-api and haddock-library using hadrian
  
  We build these two packages as regular boot library dependencies rather
  than using the `in-ghc-tree` flag to include the source files into the haddock
  executable.
  
  The `in-ghc-tree` flag is moved into haddock-api to ensure that haddock built
  from hackage can still find the location of the GHC bindist using `ghc-paths`.
  
  Addresses #24834
  
  This causes a metric decrease under non-release flavours because under these
  flavours libraries are compiled with optimisation but executables are not.
  
  Since we move the bulk of the code from the haddock executable to the
  haddock-api library, we see a metric decrease on the validate flavours.
  
  Metric Decrease:
      haddock.Cabal
      haddock.base
      haddock.compiler
  

• 51ffba5d
  by Arnaud Spiwack at 2024-08-13T13:37:50-04:00

  Add an extension field to HsRecFields
  
  This is the Right Thing to Do™. And it prepares for storing a
  multiplicity coercion there.
  
  First step of the plan outlined here and below
  https://gitlab.haskell.org/ghc/ghc/-/merge_requests/12947#note_573091
  

• 4d2faeeb
  by Arnaud Spiwack at 2024-08-13T13:37:50-04:00

  Add test for #24961
  

• 623b4337
  by Arnaud Spiwack at 2024-08-13T13:37:50-04:00

  Ensures that omitted record fields in pattern have multiplicity Many
  
  Omitted fields were simply ignored in the type checker and produced
  incorrect Core code.
  
  Fixes #24961
  
  Metric Increase:
      RecordUpdPerf
  

• c749bdfd
  by Sylvain Henry at 2024-08-13T13:38:41-04:00

  AARCH64 linker: skip NONE relocations
  
  This patch is part of the patches upstreamed from haskell.nix.
  See https://github.com/input-output-hk/haskell.nix/pull/1960 for the
  original report/patch.
  

• 682a6a41
  by Brandon Chinn at 2024-08-13T13:39:17-04:00

  Support multiline strings in TH
  

• ee0a9c18
  by Matthew Pickering at 2024-08-14T14:27:39-04:00

  Extend -reexported-module flag to support module renaming
  
  The -reexported-module flag now supports renaming -rexported-modules.
  
  ```
  -rexported-module "A as B"
  ```
  
  This feature is only relevant to multi-component sessions.
  
  Fixes #25139
  

• e9496000
  by Arnaud Spiwack at 2024-08-14T14:28:20-04:00

  Don't restrict eta-reduction of linear functions
  
  This commit simply removes code. All the supporting implementation has
  been done as part of !12883.
  
  Closes #25129
  

• 2bb4156e
  by sheaf at 2024-08-14T14:28:56-04:00

  Allow @ character in C labels
  
  Generated symbol names can include the '@' character, for example when using
  `__attribute__((vectorcall))`.

• 7602ca23
  by Sylvain Henry at 2024-08-14T14:29:36-04:00

  Linker: replace blind tuple with a datatype + docs
  

• bdd77b9e
  by sheaf at 2024-08-16T12:47:11-04:00

  isIrrefutableHsPat: look up ConLikes in the HscEnv
  
  At GhcRn stage, in isIrrefutableHsPat we only looked up data constructors
  in the RdrEnv, which meant that we lacked fallibility information for
  out-of-scope constructors (which can arise from Template Haskell splices).
  
  Instead, we use 'lookupGREInfo', which looks up the information in
  the type environment. This was the correct function to call all along,
  but was not used in 572fbc44 due to import cycle reasons. The appropriate
  functions, 'irrefutableConLike{Rn,Tc}' have been moved to 'GHC.Rename.Env',
  which avoids import cycles.
  
  Fixes #25164
  

• 4bee377c
  by Sylvain Henry at 2024-08-16T12:47:53-04:00

  Linker: some refactoring to prepare for #24886
  
  - Rename LoadedBCOs into LazyBCOs
  - Bundle SptEntries with CompiledByteCode and removed [SptEntry] field
    from the BCOs constructor
  - Rename Linkable's LM constructor into Linkable: in the past we had LM
    and LP for Module and Package, now we only have the former.
  - Rename Unlinked into LinkablePart (and linkableUnlinked into
    linkableParts)
  - Use NonEmpty to encode invariant in Linkable's linkableParts type
  - Add helpers: linkableLibs, linkableBCOs, etc.
  - Add documentation
  - Remove partial nameOfObject
  - Rename nameOfObject_maybe into linkablePartPath
  - Rename byteCodeOfObject into linkablePartAllBCOs.
  - Refactor linkablePartAllBCOs to avoid a panic if a LazyBCO has a C
    stub. Document the fact that LazyBCOs are returned in this case
    (contrary to linkableBCOs which only returns non-lazy ones)
  
  Refactoring done while trying to understand how to adapt the linker code
  to support the JS backend too (cf #24886).
  

• fa0dbaca
  by Mario Blažević at 2024-08-17T03:31:32+00:00

  Implements the Exportable Named Default proposal (#24305)
  
  This squashed commit adds support for exportable named defaults, the accepted
  GHC proposal at https://github.com/ghc-proposals/ghc-proposals/pull/409
  
  The proposal extends the Haskell '98 declarations
  
      default (Int, Double)
  
  which were implicitly always applying to Num class alone, to allow specifying
  an arbitrary single-parameter class:
  
      default IsString (Text, String)
  
  The effect of this declaration would be to eliminate the ambiguous type errors
  around string literals when OverloadedStrings extension is active. The
  declaration by itself has effect only in its module, so the proposal also adds
  the ability to export class defaults:
  
      module MyModule (default IsIstring)
  
  Once the language extension is published and established, we can consider using
  it in base and other libraries.
  
  See Note [Named default declarations] in GHC.Tc.Gen.Default
  for implementation details.
  

• 1deba6b2
  by Simon Peyton Jones at 2024-08-17T13:58:13-04:00

  Make kick-out more selective
  
  This MR revised the crucial kick-out criteria in the constraint solver.
  
  Ticket #24984 showed an example in which
   * We were kicking out unnecessarily
   * That gave rise to extra work, of course
   * But it /also/ led to exponentially-sized coercions due to lack
     of sharing in coercions (something we want to fix separately #20264)
  
  This MR sharpens up the kick-out criteria; specifially in (KK2) we look
  only under type family applications if (fs>=fw).
  
  This forced me to understand the existing kick-out story, and I ended
  up rewriting many of the careful Notes in GHC.Tc.Solver.InertSet.
  Especially look at the new `Note [The KickOut Criteria]`
  
  The proof of termination is not air-tight, but it is better than before,
  and both Richard and I think it's correct :-).
  

• 88488847
  by Cheng Shao at 2024-08-18T04:44:01+02:00

  testsuite: remove undesired -fasm flag from test ways
  
  This patch removes the -fasm flag from test ways, except ways like
  optasm that explicitly state they are meant to be compiled with NCG
  backend. Most test ways should use the default codegen backend, and
  the precense of -fasm can cause stderr mismatches like this when GHC
  is configured with the unregisterised backend:
  
  ```
  --- /dev/null
  +++ /tmp/ghctest-3hydwldj/test   spaces/testsuite/tests/profiling/should_compile/prof-late-cc.run/prof-late-cc.comp.stderr.normalised
  @@ -0,0 +1,2 @@
  +when making flags consistent: warning: [GHC-74335] [-Winconsistent-flags (in -Wdefault)]
  +    Target platform uses unregisterised ABI, so compiling via C
  *** unexpected failure for prof-late-cc(prof_no_auto)
  ```
  
  This has been breaking the wasm unreg nightly job since !12595 landed.
  

• 3a145315
  by Cheng Shao at 2024-08-18T13:05:45-04:00

  ghci: fix isMinTTY.h casing for Windows targets
  
  This commit fixes isMinTTY.h casing in isMinTTY.c that's compiled for
  Windows targets. While this looks harmless given Windows filesystems
  are case-insensitive by default, it does cause a compilation warning
  with recent versions of clang, so we might as well fix the casing:
  
  ```
  driver\ghci\isMinTTY.c:10:10: error:
       warning: non-portable path to file '"isMinTTY.h"'; specified path differs in case from file name on disk [-Wnonportable-include-path]
     |
  10 | #include "isMINTTY.h"
     |          ^
  
   #include "isMINTTY.h"
           ^~~~~~~~~~~~
           "isMinTTY.h"
  1 warning generated.
  ```
  

• 5f972bfb
  by Zubin Duggal at 2024-08-21T03:18:15-04:00

  compiler: Fix pretty printing of ticked prefix constructors (#24237)
  

• ef0a08e7
  by Mike Pilgrem at 2024-08-21T03:18:57-04:00

  Fix #15773 Clarify further -rtsopts 'defaults' in docs
  

• 05a4be58
  by Sebastian Graf at 2024-08-21T03:19:33-04:00

  Improve efficiency of `assertError` (#24625)
  
  ... by moving `lazy` to the exception-throwing branch.
  It's all documented in `Note [Strictness of assertError]`.
  

• c29b2b5a
  by sheaf at 2024-08-21T13:11:30-04:00

  GHCi debugger: drop record name spaces for Ids
  
  When binding new local variables at a breakpoint, we should create
  Ids with variable namespace, and not record field namespace. Otherwise
  the rest of the compiler falls over because the IdDetails are wrong.
  
  Fixes #25109
  

• bd82ac9f
  by Hécate Kleidukos at 2024-08-21T13:12:12-04:00

  base: Final deprecation of GHC.Pack
  
  The timeline mandated by #21461 has come to its term and after two years
  and four minor releases, we are finally removing GHC.Pack from base.
  
  Closes #21536
  

• 5092dbff
  by Sylvain Henry at 2024-08-21T13:12:54-04:00

  JS: support rubbish static literals (#25177)
  
  Support for rubbish dynamic literals was added in #24664. This patch
  does the same for static literals.
  
  Fix #25177
  

• b5a2c061
  by Phil de Joux at 2024-08-21T13:13:33-04:00

  haddock docs: prefix comes before, postfix comes after
  

• 6fde3685
  by Marcin Szamotulski at 2024-08-21T23:15:39-04:00

  haddock: include package info with --show-interface
  

• 7e02111b
  by Andreas Klebinger at 2024-08-21T23:16:15-04:00

  Document the (x86) SIMD macros.
  
  Fixes #25021.
  

• 05116c83
  by Rodrigo Mesquita at 2024-08-22T10:37:44-04:00

  ghc-internal: Derive version from ghc's version
  
  Fixes #25005
  

• 73f5897d
  by Ben Gamari at 2024-08-22T10:37:44-04:00

  base: Deprecate GHC.Desugar
  
  See https://github.com/haskell/core-libraries-committee/issues/216.
  
  This will be removed in GHC 9.14.
  

• 821d0a9a
  by Cheng Shao at 2024-08-22T10:38:22-04:00

  compiler: Store ForeignStubs and foreign C files in interfaces
  
  This data is used alongside Core bindings to reconstruct intermediate
  build products when linking Template Haskell splices with bytecode.
  
  Since foreign stubs and files are generated in the pipeline, they were
  lost with only Core bindings stored in interfaces.
  
  The interface codec type `IfaceForeign` contains a simplified
  representation of `ForeignStubs` and the set of foreign sources that
  were manually added by the user.
  
  When the backend phase writes an interface, `mkFullIface` calls
  `encodeIfaceForeign` to read foreign source file contents and assemble
  `IfaceForeign`.
  
  After the recompilation status check of an upstream module,
  `initWholeCoreBindings` calls `decodeIfaceForeign` to restore
  `ForeignStubs` and write the contents of foreign sources to the file
  system as temporary files.
  The restored foreign inputs are then processed by `hscInteractive` in
  the same manner as in a regular pipeline.
  
  When linking the stub objects for splices, they are excluded from suffix
  adjustment for the interpreter way through a new flag in `Unlinked`.
  
  For details about these processes, please consult Note [Foreign stubs
  and TH bytecode linking].
  
  Metric Decrease:
      T13701
  

• f0408eeb
  by Cheng Shao at 2024-08-23T10:37:10-04:00

  git: remove a.out and include it in .gitignore
  
  a.out is a configure script byproduct. It was mistakenly checked into
  the tree in !13118. This patch removes it, and include it in
  .gitignore to prevent a similar error in the future.
  

• 1f95c5e4
  by Matthew Pickering at 2024-08-23T10:37:46-04:00

  docs: Fix code-block syntax on old sphinx version
  
  This code-block directive breaks the deb9 sphinx build.
  
  Fixes #25201
  

• 27dceb42
  by Sylvain Henry at 2024-08-26T11:05:11-04:00

  JS: add basic support for POSIX *at functions (#25190)
  
  openat/fstatat/unlinkat/dup are now used in the recent release of the
  `directory` and `file-io` packages.
  
  As such, these functions are (indirectly) used in the following tests
  one we'll bump the `directory` submodule (see !13122):
  - openFile008
  - jsOptimizer
  - T20509
  - bkpcabal02
  - bkpcabal03
  - bkpcabal04
  

• c68be356
  by Matthew Pickering at 2024-08-26T11:05:11-04:00

  Update directory submodule to latest master
  
  The primary reason for this bump is to fix the warning from `ghc-pkg
  check`:
  
  ```
  Warning: include-dirs: /data/home/ubuntu/.ghcup/ghc/9.6.2/lib/ghc-9.6.2/lib/../lib/aarch64-linux-ghc-9.6.2/directory-1.3.8.1/include doesn't exist or isn't a directory
  ```
  
  This also requires adding the `file-io` package as a boot library (which
  is discussed in #25145)
  
  Fixes #23594 #25145
  

• 4ee094d4
  by Matthew Pickering at 2024-08-26T11:05:47-04:00

  Fix aarch64-alpine target platform description
  
  We are producing bindists where the target triple is
  
  aarch64-alpine-linux
  
  when it should be
  
  aarch64-unknown-linux
  
  This is because the bootstrapped compiler originally set the target
  triple to `aarch64-alpine-linux` which is when propagated forwards by
  setting `bootstrap_target` from the bootstrap compiler target.
  
  In order to break this chain we explicitly specify build/host/target for
  aarch64-alpine.
  
  This requires a new configure flag `--enable-ignore-` which just
  switches off a validation check that the target platform of the
  bootstrap compiler is the same as the build platform. It is the same,
  but the name is just wrong.
  
  These commits can be removed when the bootstrap compiler has the correct
  target triple (I looked into patching this on ci-images, but it looked
  hard to do correctly as the build/host platform is not in the settings
  file).
  
  Fixes #25200
  

• e0e0f2b2
  by Matthew Pickering at 2024-08-26T11:05:47-04:00

  Bump nixpkgs commit for gen_ci script
  

• 63a27091
  by doyougnu at 2024-08-26T20:39:30-04:00

  rts: win32: emit additional debugging information
  
  -- migration from haskell.nix
  

• aaab3d10
  by Vladislav Zavialov at 2024-08-26T20:40:06-04:00

  Only export defaults when NamedDefaults are enabled (#25206)
  
  This is a reinterpretation of GHC Proposal #409 that avoids a breaking
  change introduced in fa0dbaca6c "Implements the Exportable Named Default proposal"
  
  Consider a module M that has no explicit export list:
  
  	module M where
  	default (Rational)
  
  Should it export the default (Rational)?
  
  The proposal says "yes", and there's a test case for that:
  
  	default/DefaultImport04.hs
  
  However, as it turns out, this change in behavior breaks existing
  programs, e.g. the colour-2.3.6 package can no longer be compiled,
  as reported in #25206.
  
  In this patch, we make implicit exports of defaults conditional on
  the NamedDefaults extension. This fix is unintrusive and compliant
  with the existing proposal text (i.e. it does not require a proposal
  amendment). Should the proposal be amended, we can go for a simpler
  solution, such as requiring all defaults to be exported explicitly.
  
  Test case: testsuite/tests/default/T25206.hs
  

• 3a5bebf8
  by Matthew Pickering at 2024-08-28T14:16:42-04:00

  simplifier: Fix space leak during demand analysis
  
  The lazy structure (a list) in a strict field in `DmdType` is not fully
  forced which leads to a very large thunk build-up.
  
  It seems there is likely still more work to be done here as it seems we
  may be trading space usage for work done. For now, this is the right
  choice as rather than using all the memory on my computer, compilation
  just takes a little bit longer.
  
  See #25196
  

• c2525e9e
  by Ryan Scott at 2024-08-28T14:17:17-04:00

  Add missing parenthesizeHsType in cvtp's InvisP case
  
  We need to ensure that when we convert an `InvisP` (invisible type pattern) to
  a `Pat`, we parenthesize it (at precedence `appPrec`) so that patterns such as
  `@(a :: k)` will parse correctly when roundtripped back through the parser.
  
  Fixes #25209.
  

• 1499764f
  by Sjoerd Visscher at 2024-08-29T16:52:56+02:00

  Haddock: Add no-compilation flag
  
  This flag makes sure to avoid recompilation of the code when generating documentation by only reading the .hi and .hie files, and throw an error if it can't find them.
  

• 768fe644
  by Andreas Klebinger at 2024-09-03T13:15:20-04:00

  Add functions to check for weakly pinned arrays.
  
  This commit adds `isByteArrayWeaklyPinned#` and `isMutableByteArrayWeaklyPinned#` primops.
  These check if a bytearray is *weakly* pinned. Which means it can still be explicitly moved
  by the user via compaction but won't be moved by the RTS.
  
  This moves us one more stop closer to nailing down #22255.
  

• b16605e7
  by Arsen Arsenović at 2024-09-03T13:16:05-04:00

  ghc-toolchain: Don't leave stranded a.outs when testing for -g0
  
  This happened because, when ghc-toolchain tests for -g0, it does so by
  compiling an empty program.  This compilation creates an a.out.
  
  Since we create a temporary directory, lets place the test program
  compilation in it also, so that it gets cleaned up.
  
  Fixes: 25b0b40467d0a12601497117c0ad14e1fcab0b74
  Closes: https://gitlab.haskell.org/ghc/ghc/-/issues/25203
  

• 83e70b14
  by Torsten Schmits at 2024-09-03T13:16:41-04:00

  Build foreign objects for TH with interpreter's way when loading from iface
  
  Fixes #25211
  
  When linking bytecode for TH from interface core bindings with
  `-fprefer-byte-code`, foreign sources are loaded from the interface as
  well and compiled to object code in an ad-hoc manner.
  
  The results are then loaded by the interpreter, whose way may differ
  from the current build's target way.
  
  This patch ensures that foreign objects are compiled with the
  interpreter's way.
  

• 0d3bc2fa
  by Cheng Shao at 2024-09-04T07:20:06-04:00

  rts: fix checkClosure error message
  
  This patch fixes an error message in checkClosure() when the closure
  has already been evacuated. The previous logic was meant to print the
  evacuated closure's type in the error message, but it was completely
  wrong, given info was not really an info table, but a tagged pointer
  that points to the closure's new address.
  

• fb0a4e5c
  by Sven Tennie at 2024-09-04T07:20:43-04:00

  MO_AcquireFence: Less restrictive barrier
  
  GCC and CLang translate the built-in `atomic_thread_fence(memory_order_acquire)`
  to `dmb ishld`, which is a bit less restrictive than `dmb ish` (which
  also implies stores.)
  

• a45f1488
  by Fendor at 2024-09-04T20:22:00-04:00

  testsuite: Add support to capture performance metrics via 'perf'
  
  Performance metrics collected via 'perf' can be more accurate for
  run-time performance than GHC's rts, due to the usage of hardware
  counters.
  
  We allow performance tests to also record PMU events according to 'perf
  list'.
  

• ce61fca5
  by Fendor at 2024-09-04T20:22:00-04:00

  gitlab-ci: Add nightly job for running the testsuite with perf profiling support
  

• 6dfb9471
  by Fendor at 2024-09-04T20:22:00-04:00

  Enable perf profiling for compiler performance tests
  

• da306610
  by sheaf at 2024-09-04T20:22:41-04:00

  RecordCon lookup: don't allow a TyCon
  
  This commit adds extra logic when looking up a record constructor.
  If GHC.Rename.Env.lookupOccRnConstr returns a TyCon (as it may, due to
  the logic explained in Note [Pattern to type (P2T) conversion]),
  we emit an error saying that the data constructor is not in scope.
  
  This avoids the compiler falling over shortly thereafter, in the call to
  'lookupConstructorInfo' inside 'GHC.Rename.Env.lookupRecFieldOcc',
  because the record constructor would not have been a ConLike.
  
  Fixes #25056
  

• 9c354beb
  by Matthew Pickering at 2024-09-04T20:23:16-04:00

  Use deterministic names for temporary files
  
  When there are multiple threads they can race to create a temporary
  file, in some situations the thread will create ghc_1.c and in some it
  will create ghc_2.c. This filename ends up in the debug info for object
  files after compiling a C file, therefore contributes to object
  nondeterminism.
  
  In order to fix this we store a prefix in `TmpFs` which serves to
  namespace temporary files. The prefix is populated from the counter in
  TmpFs when the TmpFs is forked. Therefore the TmpFs must be forked
  outside the thread which consumes it, in a deterministic order, so each
  thread always receives a TmpFs with the same prefix.
  
  This assumes that after the initial TmpFs is created, all other TmpFs
  are created from forking the original TmpFs. Which should have been try
  anyway as otherwise there would be file collisions and non-determinism.
  
  Fixes #25224
  

• 59906975
  by Hécate Kleidukos at 2024-09-05T10:57:15-04:00

  Silence x-partial in Haddock.Backends.Xhtml
  
  This is an unfortunate consequence of two mechanisms:
    * GHC provides (possibly-empty) lists of names
    * The functions that retrieve those names are not equipped to do error
      reporting, and thus accept these lists at face value. They will have
      to be attached an effect for error reporting in a later refactoring
  

• 8afbab62
  by Hécate Kleidukos at 2024-09-05T10:57:15-04:00

  hadrian: Support loading haddock in ghci
  
  There is one tricky aspect with wired-in packages where the boot package
  is built with `-this-unit-id ghc` but the dependency is reported as
  `-package-id ghc-9.6...`. This has never been fixed in GHC as the
  situation of loading wired-in packages into the multi-repl seems like
  quite a niche feature that is always just easier to workaround.
  

• 6cac9eb8
  by Matthew Pickering at 2024-09-05T10:57:15-04:00

  hadrian/multi: Load all targets when ./hadrian/ghci-multi is called
  
  This seems to make a bit more sense than just loading `ghc` component
  (and dependencies).
  

• 7d84df86
  by Matthew Pickering at 2024-09-05T10:57:51-04:00

  ci: Beef up determinism interface test
  
  There have recently been some determinism issues with the simplifier and
  documentation. We enable more things to test in the ABI test to check
  that we produce interface files deterministically.
  

• 5456e02e
  by Sylvain Henry at 2024-09-06T11:57:01+02:00

  Transform some StgRhsClosure into StgRhsCon after unarisation (#25166)
  
  Before unarisation we may have code like:
  
    Test.foo :: Test.D
    [GblId, Unf=OtherCon []] =
        \u []
            case (# |_| #) [GHC.Types.(##)] of sat_sAw [Occ=Once1] {
            __DEFAULT -> Test.D [GHC.Types.True sat_sAw];
            };
  
  After unarisation we get:
  
    Test.foo :: Test.D
    [GblId, Unf=OtherCon []] =
        {} \u [] Test.D [GHC.Types.True 2#];
  
  Notice that it's still an Updatable closure for no reason anymore. This
  patch transforms appropriate StgRhsClosures into StgRhsCons after
  unarisation, allowing these closures to be statically allocated. Now we
  get the expected:
  
    Test.foo :: Test.D
    [GblId, Unf=OtherCon []] =
        Test.D! [GHC.Types.True 2#];
  
  Fix #25166
  
  To avoid duplicating code, this patch refactors the mk(Top)StgRhs
  functions and put them in a GHC.Stg.Make module alongside the new
  mk(Top)StgRhsCon_maybe functions.
  

• 958b4518
  by Hécate Kleidukos at 2024-09-06T16:40:56-04:00

  haddock: Add missing requirements.txt for the online manual
  

• 573f9833
  by Sven Tennie at 2024-09-08T09:58:21+00:00

  AArch64: Implement takeRegRegMoveInstr
  
  This has likely been forgotten.
  

• 20b0de7d
  by Hécate Kleidukos at 2024-09-08T14:19:28-04:00

  haddock: Configuration fix for ReadTheDocs
  

• 03055c71
  by Sylvain Henry at 2024-09-09T14:58:15-04:00

  JS: fake support for native adjustors (#25159)
  
  The JS backend doesn't support adjustors (I believe) and in any case if
  it ever supports them it will be a native support, not one via libffi.
  

• 5bf0e6bc
  by Sylvain Henry at 2024-09-09T14:58:56-04:00

  JS: remove redundant h$lstat
  
  It was introduced a second time by mistake in
  27dceb42376c34b99a38e36a33b2abc346ed390f (cf #25190)
  

• ffbc2ab0
  by Simon Peyton Jones at 2024-09-10T00:40:37-04:00

  Refactor only newSysLocalDs
  
  * Change newSysLocalDs to take a scaled type
  * Add newSysLocalMDs that takes a type and makes a ManyTy local
  
  Lots of files touched, nothing deep.
  

• 7124e4ad
  by Simon Peyton Jones at 2024-09-10T00:40:37-04:00

  Don't introduce 'nospec' on the LHS of a RULE
  
  This patch address #25160.  The main payload is:
  
  * When desugaring the LHS of a RULE, do not introduce the `nospec` call
    for non-canonical evidence.  See GHC.Core.InstEnv
    Note [Coherence and specialisation: overview]
  
    The `nospec` call usually introdued in `dsHsWrapper`, but we don't want it
    on the LHS of a RULE (that's what caused #25160).  So now `dsHsWrapper` takes
    a flag to say if it's on the LHS of a RULE.  See wrinkle (NC1) in
    `Note [Desugaring non-canonical evidence]` in GHC.HsToCore.Binds.
  
  But I think this flag will go away again when I have finished with my
  (entirely separate) speciaise-on-values patch (#24359).
  
  All this meant I had to re-understand the `nospec` stuff and coherence, and
  that in turn made me do some refactoring, and add a lot of new documentation
  
  The big change is that in GHC.Core.InstEnv, I changed
    the /type synonym/ `Canonical` into
    a /data type/ `CanonicalEvidence`
  and documented it a lot better.
  
  That in turn made me realise that CalLStacks were being treated with a
  bit of a hack, which I documented in `Note [CallStack and ExecptionContext hack]`.
  

• 663daf8d
  by Simon Peyton Jones at 2024-09-10T00:40:37-04:00

  Add defaulting of equalities
  
  This MR adds one new defaulting strategy to the top-level
  defaulting story: see Note [Defaulting equalities] in GHC.Tc.Solver.
  
  This resolves #25029 and #25125, which showed that users were
  accidentally relying on a GHC bug, which was fixed by
  
      commit 04f5bb85c8109843b9ac2af2a3e26544d05e02f4
      Author: Simon Peyton Jones <simon.peytonjones@gmail.com>
      Date:   Wed Jun 12 17:44:59 2024 +0100
  
      Fix untouchability test
  
      This MR fixes #24938.  The underlying problem was tha the test for
      "does this implication bring in scope any equalities" was plain wrong.
  
  This fix gave rise to a number of user complaints; but the improved
  defaulting story of this MR largely resolves them.
  
  On the way I did a bit of refactoring, of course
  
  * Completely restructure the extremely messy top-level defaulting
    code. The new code is in GHC.Tc.Solver.tryDefaulting, and is much,
    much, much esaier to grok.
  

• e28cd021
  by Andrzej Rybczak at 2024-09-10T00:41:18-04:00

  Don't name a binding pattern
  
  It's a keyword when PatternSynonyms are set.
  

• b09571e2
  by Simon Peyton Jones at 2024-09-10T00:41:54-04:00

  Do not use an error thunk for an absent dictionary
  
  In worker/wrapper we were using an error thunk for an absent dictionary,
  but that works very badly for -XDictsStrict, or even (as #24934 showed)
  in some complicated cases involving strictness analysis and unfoldings.
  
  This MR just uses RubbishLit for dictionaries. Simple.
  
  No test case, sadly because our only repro case is rather complicated.
  

• 8bc9f5f6
  by Hécate Kleidukos at 2024-09-10T00:42:34-04:00

  haddock: Remove support for applehelp format in the Manual
  

• 9ca15506
  by doyougnu at 2024-09-10T10:46:38-04:00

  RTS linker: add support for hidden symbols (#25191)
  
  Add linker support for hidden symbols. We basically treat them as weak
  symbols.
  
  Patch upstreamed from haskell.nix
  
  Co-authored-by: Sylvain Henry <sylvain@haskus.fr>
  Co-authored-by: Moritz Angermann <moritz.angermann@gmail.com>
  

• 3b2dc826
  by Sven Tennie at 2024-09-10T10:47:14-04:00

  Fix C warnings (#25237)
  
  GCC 14 treats the fixed warnings as errors by default. I.e. we're
  gaining GCC 14 compatibility with these fixes.
  

• 05715994
  by Sylvain Henry at 2024-09-10T10:47:55-04:00

  JS: fix codegen of static string data
  
  Before this patch, when string literals are made trivial, we would
  generate `h$("foo")` instead of `h$str("foo")`. This was
  introduced by mistake in 6bd850e887b82c5a28bdacf5870d3dc2fc0f5091.
  

• 949ebced
  by Hécate Kleidukos at 2024-09-10T19:19:40-04:00

  haddock: Re-organise cross-OS compatibility layer
  

• 84ac9a99
  by Hécate Kleidukos at 2024-09-10T19:19:40-04:00

  haddock: Remove CPP for obsolete GHC and Cabal versions
  

• 370d1599
  by Hécate Kleidukos at 2024-09-10T19:19:40-04:00

  haddock: Move the changelog file to the 'extra-doc-files' section in the cabal file
  

• cfbff65a
  by Simon Peyton Jones at 2024-09-10T19:20:16-04:00

  Add ZonkAny and document it
  
  This MR fixed #24817 by adding ZonkAny, which takes a Nat
  argument.
  
  See Note [Any types] in GHC.Builtin.Types, especially
  wrinkle (Any4).
  

• 0167e472
  by Matthew Pickering at 2024-09-11T02:41:42-04:00

  hadrian: Make sure ffi headers are built before using a compiler
  
  When we are using ffi adjustors then we rely on `ffi.h` and
  `ffitarget.h` files during code generation when compiling stubs.
  
  Therefore we need to add this dependency to the build system (which this
  patch does).
  
  Reproducer, configure with `--enable-libffi-adjustors` and then build
  "_build/stage1/libraries/ghc-prim/build/GHC/Types.p_o".
  
  Observe that this fails before this patch and works afterwards.
  
  Fixes #24864
  
  Co-authored-by: Sylvain Henry <sylvain@haskus.fr>
  

• 0f696958
  by Rodrigo Mesquita at 2024-09-11T02:42:18-04:00

  base: Deprecate BCO primops exports from GHC.Exts
  
  See https://github.com/haskell/core-libraries-committee/issues/212.
  
  These reexports will be removed in GHC 9.14.
  

• cf0e7729
  by Alan Zimmerman at 2024-09-11T02:42:54-04:00

  EPA: Remove Anchor = EpaLocation synonym
  
  This just causes confusion.
  

• 8e462f4d
  by Andrew Lelechenko at 2024-09-11T22:20:37-04:00

  Bump submodule deepseq to 1.5.1.0
  

• aa4500ae
  by Sebastian Graf at 2024-09-11T22:21:13-04:00

  User's guide: Fix the "no-backtracking" example of -XOrPatterns (#25250)
  
  Fixes #25250.
  

• 1c479c01
  by Sven Tennie at 2024-09-12T10:39:38+00:00

  RISCV64: Add Native Code Generator (NCG)
  
  This architecture wasn't supported before.
  
  Co-authored-by: Moritz Angermann <moritz.angermann@gmail.com>
  

• 51b678e1
  by Sven Tennie at 2024-09-12T10:39:38+00:00

  Adjust test timings for slower computers
  
  Increase the delays a bit to be able to run these tests on slower
  computers.
  
  The reference was a Lichee Pi 4a RISCV64 machine.
  

• a0e41741
  by Sven Tennie at 2024-09-12T10:39:38+00:00

  RISCV64: Add RTS linker
  
  This architecture wasn't supported before.
  
  Co-authored-by: Moritz Angermann <moritz.angermann@gmail.com>
  

• d365b1d4
  by Sven Tennie at 2024-09-12T10:39:38+00:00

  RISCV64: Ignore divbyzero test
  
  The architecture's behaviour differs from the test's expectations. See
  comment in code why this is okay.
  

• abf3d699
  by Sven Tennie at 2024-09-12T10:39:38+00:00

  RISCV64: Enable MulMayOflo_full test
  
  It works and thus can be tested.
  

• 38c7ea8c
  by Sven Tennie at 2024-09-12T10:39:38+00:00

  RISCV64: LibffiAdjustor: Ensure code caches are flushed
  
  RISCV64 needs a specific code flushing sequence (involving fence.i) when
  new code is created/loaded.
  

• 7edc6965
  by Sven Tennie at 2024-09-12T10:39:38+00:00

  RISCV64: Add additional linker symbols for builtins
  
  We're relying on some GCC/Clang builtins. These need to be visible to
  the linker (and not be stripped away.)
  

• 92ad3d42
  by Sven Tennie at 2024-09-12T10:39:38+00:00

  RISCV64: Add GHCi support
  
  As we got a RTS linker for this architecture now, we can enable GHCi for
  it.
  

• a145f701
  by Sven Tennie at 2024-09-12T10:39:38+00:00

  RISCV64: Set codeowners of the NCG
  

• 8e6d58cf
  by Sven Tennie at 2024-09-12T10:39:38+00:00

  Add test for C calling convention
  
  Ensure that parameters and return values are correctly processed. A
  dedicated test (like this) helps to get the subtleties of calling
  conventions easily right.
  
  The test is failing for WASM32 and marked as fragile to not forget to
  investigate this (#25249).
  

• fff55592
  by Torsten Schmits at 2024-09-12T21:50:34-04:00

  finder: Add `IsBootInterface` to finder cache keys
  

• cdf530df
  by Alan Zimmerman at 2024-09-12T21:51:10-04:00

  EPA: Sync ghc-exactprint to GHC
  

• 1374349b
  by Sebastian Graf at 2024-09-13T07:52:11-04:00

  DmdAnal: Fast path for `multDmdType` (#25196)
  
  This is in order to counter a regression exposed by SpecConstr.
  
  Fixes #25196.
  

• 80769bc9
  by Andrew Lelechenko at 2024-09-13T07:52:47-04:00

  Bump submodule array to 0.5.8.0
  

• 49ac3fb8
  by Sylvain Henry at 2024-09-16T10:33:01-04:00

  Linker: add support for extra built-in symbols (#25155)
  
  See added Note [Extra RTS symbols] and new user guide entry.
  
  Co-authored-by: Hamish Mackenzie <Hamish.K.Mackenzie@gmail.com>
  Co-authored-by: Moritz Angermann <moritz.angermann@gmail.com>
  

• 3939a8bf
  by Samuel Thibault at 2024-09-16T10:33:44-04:00

  GNU/Hurd: Add getExecutablePath support
  
  GNU/Hurd exposes it as /proc/self/exe just like on Linux.
  

• d3b19851
  by Sylvain Henry at 2024-09-17T11:03:28-04:00

  RTS: expose closure_sizeW_ (#25252)
  
  C code using the closure_sizeW macro can't be linked with the RTS linker
  without this patch. It fails with:
  
    ghc-9.11.20240911: Failed to lookup symbol: closure_sizeW_
  
  Fix #25252
  
  Co-authored-by: Hamish Mackenzie <Hamish.K.Mackenzie@gmail.com>
  Co-authored-by: Moritz Angermann <moritz.angermann@gmail.com>
  

• 137bf74d
  by Sebastian Graf at 2024-09-17T11:04:05-04:00

  HsExpr: Inline `HsWrap` into `WrapExpr`
  
  This nice refactoring was suggested by Simon during review:
  https://gitlab.haskell.org/ghc/ghc/-/merge_requests/13261#note_583374
  
  Fixes #25264.
  

• 7fd9e5e2
  by Sebastian Graf at 2024-09-17T11:04:05-04:00

  Pmc: Improve Desugaring of overloaded list patterns (#25257)
  
  This actually makes things simpler.
  
  Fixes #25257.
  

• e4169ba9
  by Ben Gamari at 2024-09-18T07:55:28-04:00

  configure: Correctly report when subsections-via-symbols is disabled
  
  As noted in #24962, currently subsections-via-symbols is disabled on
  AArch64/Darwin due to alleged breakage. However, `configure` reports to
  the user that it is enabled. Fix this.
  

• 9d20a787
  by Mario Blažević at 2024-09-18T07:56:08-04:00

  Modified the default export implementation to match the amended spec
  

• 35eb4f42
  by Sylvain Henry at 2024-09-18T07:57:00-04:00

  FFI: don't ppr Id/Var symbols with debug info (#25255)
  
  Even if `-dpp-debug` is enabled we should still generate valid C code.
  So we disable debug info printing when rendering with Code style.
  

• 9e96dad8
  by Sebastian Graf at 2024-09-21T17:47:59-04:00

  Demand: Combine examples into Note (#25107)
  
  Just a leftover from !13060.
  
  Fixes #25107.
  

• 21aaa34b
  by sheaf at 2024-09-21T17:48:36-04:00

  Use x86_64-unknown-windows-gnu target for LLVM on Windows
  

• 992a7624
  by sheaf at 2024-09-21T17:48:36-04:00

  LLVM: use -relocation-model=pic on Windows
  
  This is necessary to avoid the segfaults reported in #22487.
  
  Fixes #22487
  

• c50d29be
  by Ryan Hendrickson at 2024-09-21T17:49:15-04:00

  compiler: Use type abstractions when deriving
  
  For deriving newtype and deriving via, in order to bring type variables
  needed for the coercions into scope, GHC generates type signatures for
  derived class methods. As a simplification, drop the type signatures and
  instead use type abstractions to bring method type variables into scope.
  

• f04fd0ae
  by Zubin Duggal at 2024-09-21T17:49:51-04:00

  driver: Ensure we run driverPlugin for staticPlugins (#25217)
  
  driverPlugins are only run when the plugin state changes. This meant they were
  never run for static plugins, as their state never changes.
  
  We need to keep track of whether a static plugin has been initialised to ensure
  we run static driver plugins at least once. This necessitates an additional field
  in the `StaticPlugin` constructor as this state has to be bundled with the plugin
  itself, as static plugins have no name/identifier we can use to otherwise reference
  them
  

• 620becd7
  by Andreas Klebinger at 2024-09-21T17:50:27-04:00

  Allow unknown fd device types for setNonBlockingMode.
  
  This allows fds with a unknown device type to have blocking mode
  set. This happens for example for fds from the inotify subsystem.
  
  Fixes #25199.
  

• c76e25b3
  by Hécate Kleidukos at 2024-09-21T17:51:07-04:00

  Use Hackage version of Cabal 3.14.0.0 for Hadrian.
  We remove the vendored Cabal submodule.
  
  Also update the bootstrap plans
  
  Fixes #25086
  

• 6c83fd7f
  by Zubin Duggal at 2024-09-21T17:51:07-04:00

  ci: Ensure we source ci.sh in any jobs that run commands outside of ci.sh
  
  ci.sh sets up the toolchain environment, including paths for the cabal directory, the
  toolchain binaries etc. If we run any commands outside of ci.sh, unless we
  source ci.sh we will use the wrong values for these environment variables.
  
  In particular, I ran into an issue where the cabal invocation `hadrian/ghci` was
  using an old index state despite `ci.sh setup` updating and setting the correct
  index state. This is because `ci.sh` sets the `CABAL_DIR` to a different place, which
  is where the index was downloaded to, but we were using the default cabal directory
  outside ci.sh
  
  The solution is to source the correct environment `ci.sh` using `. ci.sh setup`
  

• 9586998d
  by Sven Tennie at 2024-09-21T17:51:43-04:00

  ghc-toolchain: Set -fuse-ld even for ld.bfd
  
  This reflects the behaviour of the autoconf scripts.
  

• d7016e0d
  by Sylvain Henry at 2024-09-21T17:52:24-04:00

  Parser: be more careful when lexing extended literals (#25258)
  
  Previously we would lex invalid prefixes like "8#Int3" as [8#Int, 3].
  
  A side-effect of this patch is that we now allow negative unsigned
  extended literals. They trigger an overflow warning later anyway.
  

• ca67d7cb
  by Zubin Duggal at 2024-09-22T02:34:06-04:00

  rts: Ensure we dump new Cost Centres added by freshly loaded objects to the eventlog.
  
  To do this, we keep track of the ID of the last cost centre we dumped in DUMPED_CC_ID,
  and call dumpCostCentresToEventLog from refreshProfilingCCSs, which will dump all the new
  cost centres up to the one we already dumped in DUMPED_CC_ID.
  
  Fixes #24148
  

• c0df5aa9
  by Alan Zimmerman at 2024-09-22T02:34:42-04:00

  EPA: Replace AnnsModule am_main with EpTokens
  
  Working towards removing `AddEpAnn`
  

• 2a551cd5
  by Matthew Pickering at 2024-09-24T16:33:50+05:30

  ci: Run abi-test on test-abi label
  

• ab4039ac
  by Rodrigo Mesquita at 2024-09-24T16:33:50+05:30

  testsuite: Add a test for object determinism
  
  Extends the abi_test with an object determinism check
  Also includes a standalone test to be run by developers manually when
  debugging issues with determinism.
  

• d62c18d8
  by Rodrigo Mesquita at 2024-09-24T16:33:50+05:30

  determinism: Sampling uniques in the CG
  
  To achieve object determinism, the passes processing Cmm and the rest of
  the code generation pipeline musn't create new uniques which are
  non-deterministic.
  
  This commit changes occurrences of non-deterministic unique sampling
  within these code generation passes by a deterministic unique sampling
  strategy by propagating and threading through a deterministic
  incrementing counter in them. The threading is done implicitly with
  `UniqDSM` and `UniqDSMT`.
  
  Secondly, the `DUniqSupply` used to run a `UniqDSM` must be threaded
  through all passes to guarantee uniques in different passes are unique
  amongst them altogether. Specifically, the same `DUniqSupply` must be
  threaded through the CG Streaming pipeline, starting with Driver.Main
  calling `StgToCmm.codeGen`, `cmmPipeline`, `cmmToRawCmm`, and
  `codeOutput` in sequence.
  
  To thread resources through the `Stream` abstraction, we use the `UniqDSMT`
  transformer on top of `IO` as the Monad underlying the Stream. `UniqDSMT` will
  thread the `DUniqSupply` through every pass applied to the `Stream`, for every
  element. We use @type CgStream = Stream (UniqDSMT IO)@ for the Stream used in
  code generation which that carries through the deterministic unique supply.
  
  See Note [Deterministic Uniques in the CG]
  

• 3bbe4af4
  by Rodrigo Mesquita at 2024-09-24T16:33:50+05:30

  determinism: Cmm unique renaming pass
  
  To achieve object determinism, we need to prevent the non-deterministic
  uniques from leaking into the object code. We can do this by
  deterministically renaming the non-external uniques in the Cmm groups
  that are yielded right after StgToCmm.
  
  The key to deterministic renaming is observing that the order of
  declarations, instructions, and data in the Cmm groups are already
  deterministic (modulo other determinism bugs), regardless of the
  uniques. We traverse the Cmm AST in this deterministic order and
  rename the uniques, incrementally, in the order they are found, thus
  making them deterministic. This renaming is guarded by
  -fobject-determinism which is disabled by default for now.
  
  This is one of the key passes for object determinism. Read about the
  overview of object determinism and a more detailed explanation of this
  pass in:
  * Note [Object determinism]
  * Note [Renaming uniques deterministically]
  
  Significantly closes the gap to #12935
  

• 8357ed50
  by Rodrigo Mesquita at 2024-09-24T16:33:50+05:30

  determinism: DCmmGroup vs CmmGroup
  
  Part of our strategy in producing deterministic objects, namely,
  renaming all Cmm uniques in order, depend on the object code produced
  having a deterministic order (say, A_closure always comes before
  B_closure).
  
  However, the use of LabelMaps in the Cmm representation invalidated this
  requirement because the LabelMaps elements would already be in a
  non-deterministic order (due to the original uniques), and the renaming
  in sequence wouldn't work because of that non-deterministic order.
  
  Therefore, we now start off with lists in CmmGroup (which preserve the
  original order), and convert them into LabelMaps (for performance in the
  code generator) after the uniques of the list elements have been
  renamed.
  
  See Note [DCmmGroup vs CmmGroup or: Deterministic Info Tables] and #12935.
  
  Co-authored-by: Matthew Pickering <matthewtpickering@gmail.com>
  

• 0e675fb8
  by Rodrigo Mesquita at 2024-09-24T16:33:50+05:30

  determinism: Don't print unique in pprFullName
  
  This unique was leaking as part of the profiling description in info
  tables when profiling was enabled, despite not providing information
  relevant to the profile.
  

• 340f58b0
  by Rodrigo Mesquita at 2024-09-24T16:33:50+05:30

  determinism: UDFM for distinct-constructor-tables
  
  In order to produce deterministic objects when compiling with
  -distinct-constructor-tables, we also have to update the data
  constructor map to be backed by a deterministic unique map (UDFM) rather
  than a non-deterministic one (UniqMap).
  

• 282f37a0
  by Rodrigo Mesquita at 2024-09-24T16:33:50+05:30

  determinism: InfoTableMap uniques in generateCgIPEStub
  
  Fixes object determinism when using -finfo-table-map
  
  Make sure to also deterministically rename the IPE map (as per Note
  [Renaming uniques deterministically]), and to use a deterministic unique
  supply when creating new labels for the IPE information to guarantee
  deterministic objects when IPE information is requested.
  
  Note that the Cmm group produced in generateCgIPEStub must /not/ be
  renamed because renaming uniques is not idempotent, and the references
  to the previously renamed code in the IPE Cmm group would be renamed
  twice and become invalid references to non-existent symbols.
  
  We do need to det-rename the InfoTableMap that is created in the
  conversion from Core to Stg. This is not a problem since that map won't
  refer any already renamed names (since it was created before the
  renaming).
  

• 7b37afc9
  by Zubin Duggal at 2024-09-24T16:33:50+05:30

  ci: Allow abi-test to fail.
  
  We are not fully deterministic yet, see #12935 for work that remains to be done.
  

• a63ee33a
  by Simon Peyton Jones at 2024-09-25T17:08:24-04:00

  Add Given injectivity for built-in type families
  
  Ticket #24845 asks (reasonably enough) that if we have
     [G] a+b ~ 0
  then we also know
     [G] a ~ 0, b ~ 0
  and similar injectivity-like facts for other built-in type
  families.  The status quo was that we never generate evidence for
  injectivity among Givens -- but it is quite reasonnable to do so.
  All we need is to have /evidence/ for the new constraints
  
  This MR implements that goal.  I also took the opportunity to
  * Address #24978: refactoring UnivCo
  * Fix #25248, which was a consequences of the previous formulation of UnivCo
  
  As a result this MR touches a lot of code.  The big things are:
  
  * Coercion constructor UnivCo now takes a [Coercion] as argument to
    express the coercions on which the UnivCo depends. A nice consequence
    is that UnivCoProvenance now has no free variables, simpler in a number
    of places.
  
  * Coercion constructors AxiomInstCo and AxiomRuleCo are combined into
    AxiomCo.  The new AxiomCo, carries a (slightly oddly named)
    CoAxiomRule, which itself is a sum type of the various forms of
    built-in axiom.  See Note [CoAxiomRule] in GHC.Core.Coercion.Axiom
  
    A merit of this is that we can separate the case of open and closed
    type families, and eliminate the redundant `BranchIndex` in the former
    case.
  
  * Much better representation for data BuiltInSynFamily, which means we
    no longer need to enumerate built-in axioms as well as built-in tycons.
  
  * There is a massive refactor in GHC.Builtin.Types.Literals, which contains all
    the built-in axioms for type-level operations (arithmetic, append, cons etc).
  
    A big change is that instead of redundantly having (a) a hand-written
    matcher, and (b) a template-based "proves" function, which were hard to
    keep in sync, the two are derive from one set of human-supplied info.
    See GHC.Builtin.Types.Literals.mkRewriteAxiom, and friends.
  
  * Significant changes in GHC.Tc.Solver.Equality to account for the new
    opportunity for Given/Given equalities.
  
  Smaller things
  
  * Improve pretty-printing to avoid parens around atomic coercions.
  
  * Do proper eqType in findMatchingIrreds, not `eqTypeNoKindCheck`.
    Looks like a bug, Richard agrees.
  
  * coercionLKind and coercionRKind are hot functions.  I refactored the
    implementation (which I had to change anyway) to increase sharing.
    See Note [coercionKind performance] in GHC.Core.Coercion
  
  * I wrote a new Note [Finding orphan names] in GHC.Core.FVs about orphan
    names
  
  * I improved the `is_concrete` flag in GHC.Core.Type.buildSynTyCon, to avoid
    calling tyConsOfType.  I forget exactly why I did this, but it's definitely
    better now.
  
  * I moved some code from GHC.Tc.Types.Constraint into GHC.Tc.Types.CtLocEnv
    and I renamed the module GHC.Tc.Types.CtLocEnv to GHC.Tc.Types.CtLoc
  

• dd8ef342
  by Ryan Scott at 2024-09-25T17:09:01-04:00

  Resolve ambiguous method-bound type variables in vanilla defaults and GND
  
  When defining an instance of a class with a "vanilla" default, such as in the
  following example (from #14266):
  
  ```hs
  class A t where
    f :: forall x m. Monoid x => t m -> m
    f = <blah>
  
  instance A []
  ```
  
  We have to reckon with the fact that the type of `x` (bound by the type
  signature for the `f` method) is ambiguous. If we don't deal with the ambiguity
  somehow, then when we generate the following code:
  
  ```hs
  instance A [] where
    f = $dmf @[] -- NB: the type of `x` is still ambiguous
  ```
  
  Then the generated code will not typecheck. (Issue #25148 is a more recent
  example of the same problem.)
  
  To fix this, we bind the type variables from the method's original type
  signature using `TypeAbstractions` and instantiate `$dmf` with them using
  `TypeApplications`:
  
  ```hs
  instance A [] where
    f @x @m = $dmf @[] @x @m -- `x` is no longer ambiguous
  ```
  
  Note that we only do this for vanilla defaults and not for generic defaults
  (i.e., defaults using `DefaultSignatures`). For the full details, see `Note
  [Default methods in instances] (Wrinkle: Ambiguous types from vanilla method
  type signatures)`.
  
  The same problem arose in the code generated by `GeneralizedNewtypeDeriving`,
  as we also fix it here using the same technique. This time, we can take
  advantage of the fact that `GeneralizedNewtypeDeriving`-generated code
  _already_ brings method-bound type variables into scope via `TypeAbstractions`
  (after !13190), so it is very straightforward to visibly apply the type
  variables on the right-hand sides of equations. See `Note [GND and ambiguity]`.
  
  Fixes #14266. Fixes #25148.
  

• 0a4da5d2
  by ARATA Mizuki at 2024-09-25T17:09:41-04:00

  Document primitive string literals and desugaring of string literals
  
  Fixes #17474 and #17974
  
  Co-authored-by: Matthew Craven <5086-clyring@users.noreply.gitlab.haskell.org>
  

• ad0731ad
  by Zubin Duggal at 2024-09-25T17:10:18-04:00

  rts: Fix segfault when using non-moving GC with profiling
  
  `nonMovingCollect()` swaps out the `static_flag` value used as a
  sentinel for `gct->scavenged_static_objects`, but the subsequent call
  `resetStaticObjectForProfiling()` sees the old value of `static_flag` used as
  the sentinel and segfaults. So we must call `resetStaticObjectForProfiling()`
  before calling `nonMovingCollect()` as otherwise it looks for the incorrect
  sentinel value
  
  Fixes #25232 and #23958
  
  Also teach the testsuite driver about nonmoving profiling ways
  and stop disabling metric collection when nonmoving GC is enabled.
  

• e7a26d7a
  by Sylvain Henry at 2024-09-25T17:11:00-04:00

  Fix interaction between fork and kqueue (#24672)
  
  A kqueue file descriptor isn't inherited by a child created with fork.
  As such we mustn't try to close this file descriptor as we would close a
  random one, e.g. the one used by timerfd.
  
  Fix #24672
  

• 6863503c
  by Simon Peyton Jones at 2024-09-25T17:11:37-04:00

  Improve GHC.Tc.Solver.defaultEquality
  
  This MR improves GHC.Tc.Solver.defaultEquality to solve #25251.
  
  The main change is to use checkTyEqRhs to check the equality, so
  that we do promotion properly.
  
  But within that we needed a small enhancement to LC_Promote.  See
  Note [Defaulting equalites] (DE4) and (DE5)
  
  The tricky case is (alas) hard to trigger, so I have not added a
  regression test.
  

• 97a6c6c3
  by Sylvain Henry at 2024-09-25T17:12:18-04:00

  JS: fix h$withCStringOnHeap helper (#25288)
  
  strlen returns the length of the string without the \0 terminating byte,
  hence CString weren't properly allocated on the heap (ending \0 byte was
  missing).
  

• 5f7c20bc
  by Ben Gamari at 2024-09-26T04:14:05-04:00

  base: Propagate `error` CallStack to thrown exception
  
  Previously `errorCallWithCallStackException` failed to propagate its
  `CallStack` argument, which represents the call-chain of the preceding
  `error` call, to the exception that it returned. Consequently, the
  call-stack of `error` calls were quite useless.
  
  Unfortunately, this is the second time that I have fixed this but it
  seems the first must have been lost in rebasing.
  
  Fixes a bug in the implementation of CLC proposal 164
  <https://github.com/haskell/core-libraries-committee/issues/164>
  
  Fixes #24807.
  

• c20d5186
  by Matthew Pickering at 2024-09-26T04:14:42-04:00

  driver: Fix -working-dir for foreign files
  
  -working-dir definitely needs more serious testing, there are some easy
  ways to test this.
  
  * Modify Cabal to call ghc using -working-dir rather than changing
    directory.
  * Modify the testsuite to run ghc using `-working-dir` rather than
    running GHC with cwd = temporary directory.
  
  However this will have to wait until after 9.12.
  
  Fixes #25150
  

• 88eaa7ac
  by Sylvain Henry at 2024-09-26T04:15:24-04:00

  Enum deriving: reuse predError, succError, toEnumError
  
  Reuse predError, succError, and toEnumError when deriving Enum instances
  to avoid generating different error strings per instance. E.g. before
  this patch for every instance for a type FOO we would generate a string:
  
    "pred{FOO}: tried to take `pred' of first tag in enumeration"#
  

• e9fa1163
  by Sylvain Henry at 2024-09-26T04:15:24-04:00

  Enum deriving: generate better code (#16364)
  
  Generate better code for Enum.toEnum: check both the lower and the upper
  bounds at once with an unsigned comparison.
  
  Initially I've used a type ascription with a call to 'fromIntegral',
  hence the slight refactoring of nlAscribe. Using 'fromIntegral' was
  problematic (too low in the module hierarchy) so 'enumIntToWord' was
  introduced instead.
  
  Combined with the previous commit, T21839c ghc/alloc decrease by 5%
  
  Metric Decrease:
      T21839c
  

• 383af074
  by Sylvain Henry at 2024-09-26T04:16:06-04:00

  Core: add absorb rules for binary or/and (#16351)
  
  Rules:
    x or (x and y) ==> x
    x and (x or y) ==> x
  

• 783c8b29
  by Matthew Pickering at 2024-09-26T12:07:44-04:00

  Don't compile `asBox` with -fprof-late
  
  The `asBox` function is intended to store exactly the closure which the
  user passes to it. Placing a cost centre on asBox introduces a thunk,
  which violates this expectation and can change the result of using asBox
  when profiling is enabled.
  
  See #25212 for more details and ample opportunity to discuss if this is
  a bug or not.
  

• 0967dcc7
  by Matthew Pickering at 2024-09-26T12:07:44-04:00

  Fix normalisation of .prof files
  
  Fix 1: If a cost centre contained CAF then the normalisation was
  corrupted, now only check if CAF is at the start of a line.
  
  Fix 2: "no location info" contain a space, which messed up the next
  normalisation logic which assumed that columns didn't have spaced in.
  

• 9eda1cb9
  by Matthew Pickering at 2024-09-26T12:07:44-04:00

  testsuite: Fix normalisation of prof_files removing newlines
  
  These normalisation steps were collapsing lines together, which made
  subsequent normalisation steps fail.
  
  ```
  foo x y z
  CAF x y z
  qux x y z
  ```
  
  was getting normalised to
  
  ```
  foo x y z qux x y z
  ```
  
  which means that subsequent line based filters would not work correctly.
  

• 2b25f9e2
  by Matthew Pickering at 2024-09-26T12:07:44-04:00

  packaging: Enable late-ccs for release flavour
  
  This enables late cost centres when building profiled libraries and
  subsequently greatly improves the resolution of cost centre stacks when
  profiling.
  
  This patch also introduces the `grep_prof` test modifier which is used
  to apply a further filter to the .prof file before they are compared.
  
  Fixes #21732
  
  -------------------------
  Metric Increase:
      libdir
  -------------------------
  

• bb030d0d
  by Brandon Chinn at 2024-09-26T12:08:21-04:00

  Replace manual string lexing (#25158)
  
  Metric Increase:
      MultilineStringsPerf
  
  This commit replaces the manual string lexing logic with native Alex
  lexing syntax. This aligns the lexer much closer to the Haskell Report,
  making it easier to see how the implementation and spec relate. This
  slightly increases memory usage when compiling multiline strings because
  we now have two distinct phases: lexing the multiline string with Alex
  and post-processing the string afterwards. Before, these were done at
  the same time, but separating them allows us to push as much logic into
  normal Alex lexing as possible.
  
  Since multiline strings are a new feature, this regression shouldn't be
  too noticeable. We can optimize this over time.
  

• 16742987
  by Matthew Pickering at 2024-09-26T12:08:57-04:00

  Revert !4655: Stop 'import "base" Prelude' removing implicit Prelude import
  
  This behaviour is problematic for the principle reason that `import
  Prelude` may not refer to the `base` package, and in which case
  importing an entirely unrelated module causing your implicit prelude to
  leave the scope is extremely surprising. See the added test for this
  example. Discussion on #17045.
  
  The secondary reason for reverting this patch is that "base" can't be a
  wired in package any more (see #24903), so we have to remove special
  logic which singles out base from the compiler.
  
  The rule for implicit shadowing is now simply:
  
  * If you write import Prelude (..) then you don't get an implicit prelude import
  * If you write import "foobar" Prelude (..) for all pkgs foobar,
    you get an implicit import of prelude.
  
  If you want to write a package import of Prelude, then you can enable
  `NoImplicitPrelude` for the module in question to recover the behaviour
  of ghc-9.2-9.10.
  
  Fixes #17045
  

• 57c50f41
  by Matthew Pickering at 2024-09-26T12:08:57-04:00

  Rename COMPILING_BASE_PACKAGE to COMPILING_GHC_INTERNAL_PACKAGE
  
  The COMPILING_BASE_PACKAGE macro is concerned with issues defining
  symbols and using symbols in the same compilation unit. However, these
  symbols now exist in ghc-internal rather than base, so we should rename
  the macro accordingly.
  
  The code is guards is likely never used as we never produce windows DLLs
  but it is simpler to just perform the renaming for now.
  
  These days there is little doubt that this macro defined in this ad-hoc
  manner would be permitted to exist, but these days are not those days.
  
  Fixes #25221
  

• 70764243
  by Matthew Pickering at 2024-09-26T12:08:57-04:00

  Preload ghc-internal rather than base
  
  This occurence of baseUnitId was missed when moving the bulk of internal
  definitions into `ghc-internal`.
  
  We need to remove this preloading of `base` now because `base` should
  not be wired in.
  
  Towards #24903
  

• 12915609
  by Matthew Pickering at 2024-09-26T12:08:57-04:00

  Remove Data.List compat warning
  
  There is currently a warning implemented in -Wcompat which warns you
  when importing Data.List in a non-qualified manner.
  
  ```
  A.hs:3:8: warning: [-Wcompat-unqualified-imports]
      To ensure compatibility with future core libraries changes
      imports to Data.List should be
      either qualified or have an explicit import list.
    |
  3 | import Data.List
    |        ^^^^^^^^^
  Ok, one module loaded.
  ```
  
  GHC ticket: https://gitlab.haskell.org/ghc/ghc/-/issues/17244
  CLC discussion: https://groups.google.com/g/haskell-core-libraries/c/q3zHLmzBa5E
  
  This warning was implemented as part of the migration to making
  Data.List monomorphic again (and to be used like Data.Set, Data.Map
  etc). That doesn't seem like it happened, and I imagine that the current
  CLC would require a new proposal anyway in order to do that now. It's
  not clear in any case what "future core libraries changes" we are
  waiting to happen before this warning can be removed.
  
  Given the first phase of the proposal has lasted 5 years it doesn't seem
  that anyone is motivated to carry the proposal to completion. It does
  seem a bit unnecessary to include a warning in the compiler about
  "future changes to the module" when there's no timeline or volunteer to
  implement these changes.
  
  The removal of this warning was discussed again at:
  https://github.com/haskell/core-libraries-committee/issues/269
  
  During the discussion there was no new enthusiasm to move onto the next
  stages of the proposal so we are removing the warning to unblock the
  reinstallable "base" project (#24903)
  
  Fixes #24904
  

• d4e4d498
  by Matthew Pickering at 2024-09-26T12:08:57-04:00

  Move Control.Monad.Zip into ghc-internal
  
  mzip is wired in and therefore needs to be in ghc-internal.
  
  Fixes #25222
  
  Towards #24903
  

• d3dacdfb
  by Matthew Pickering at 2024-09-26T12:08:57-04:00

  Unwire the base package
  
  This patch just removes all the functions related to wiring-in the base
  package and the `-this-unit-id=base` flag from the cabal file.
  
  After this commit "base" becomes just like any other package and the
  door is opened to moving base into an external repo and releasing base
  on a separate schedule to the rest of ghc.
  
  Closes #24903
  

• 1b39363b
  by Patrick at 2024-09-27T06:10:19-04:00

  Add entity information to HieFile #24544
  
  Enhanced HieFile to capture entity information for identifiers, enabling better support for language tools and protocols. See issue #24544 for more details.
  
  Work have been done:
  * Introduction of new data type `EntityInfo` in `GHC.Iface.Ext.Types`.
  * Add extra field `hie_entity_infos :: NameEntityInfo` to `HieFile`
    to store the mapping from entity name to corresponding entity infos
    in `GHC.Iface.Ext.Types`.
  * Compute `EntityInfo` for each entity name in the HieAst from `TyThing,
    Id, OccName` when generating the `HieFile` in `GHC.Iface.Ext.Ast`.
  * Add test T24544 to test the generation of `EntityInfo`.
  

• 4f3618d8
  by sheaf at 2024-09-27T06:10:57-04:00

  The X86 SIMD patch.
  
  This commit adds support for 128 bit wide SIMD vectors and vector
  operations to GHC's X86 native code generator.
  
  Main changes:
  
    - Introduction of vector formats (`GHC.CmmToAsm.Format`)
    - Introduction of 128-bit virtual register (`GHC.Platform.Reg`),
      and removal of unused Float virtual register.
    - Refactor of `GHC.Platform.Reg.Class.RegClass`: it now only contains
      two classes, `RcInteger` (for general purpose registers) and `RcFloatOrVector`
      (for registers that can be used for scalar floating point values as well
      as vectors).
    - Modify `GHC.CmmToAsm.X86.Instr.regUsageOfInstr` to keep track
      of which format each register is used at, so that the register
      allocator can know if it needs to spill the entire vector register
      or just the lower 64 bits.
    - Modify spill/load/reg-2-reg code to account for vector registers
      (`GHC.CmmToAsm.X86.Instr.{mkSpillInstr, mkLoadInstr, mkRegRegMoveInstr, takeRegRegMoveInstr}`).
    - Modify the register allocator code (`GHC.CmmToAsm.Reg.*`) to propagate
      the format we are storing in any given register, for instance changing
      `Reg` to `RegFormat` or `GlobalReg` to `GlobalRegUse`.
    - Add logic to lower vector `MachOp`s to X86 assembly
      (see `GHC.CmmToAsm.X86.CodeGen`)
    - Minor cleanups to genprimopcode, to remove the llvm_only attribute
      which is no longer applicable.
  
  Tests for this feature are provided in the "testsuite/tests/simd" directory.
  
  Fixes #7741
  
  Keeping track of register formats adds a small memory overhead to the
  register allocator (in particular, regUsageOfInstr now allocates more
  to keep track of the `Format` each register is used at). This explains
  the following metric increases.
  
  -------------------------
  Metric Increase:
      T12707
      T13035
      T13379
      T3294
      T4801
      T5321FD
      T5321Fun
      T783
  -------------------------
  

• 10e431ef
  by sheaf at 2024-09-27T06:10:57-04:00

  Use xmm registers in genapply
  
  This commit updates genapply to use xmm, ymm and zmm registers, for
  stg_ap_v16/stg_ap_v32/stg_ap_v64, respectively.
  
  It also updates the Cmm lexer and parser to produce Cmm vectors rather
  than 128/256/512 bit wide scalars for V16/V32/V64, removing bits128,
  bits256 and bits512 in favour of vectors.
  
  The Cmm Lint check is weakened for vectors, as (in practice, e.g. on X86)
  it is okay to use a single vector register to hold multiple different
  types of data, and we don't know just from seeing e.g. "XMM1" how to
  interpret the 128 bits of data within.
  
  Fixes #25062
  

• 8238fb2d
  by sheaf at 2024-09-27T06:10:57-04:00

  Add vector fused multiply-add operations
  
  This commit adds fused multiply add operations such as `fmaddDoubleX2#`.
  These are handled both in the X86 NCG and the LLVM backends.
  

• 2cb7b748
  by sheaf at 2024-09-27T06:10:57-04:00

  Add vector shuffle primops
  
  This adds vector shuffle primops, such as
  
  ```
  shuffleFloatX4# :: FloatX4# -> FloatX4# -> (# Int#, Int#, Int#, Int# #) -> FloatX4#
  ```
  
  which shuffle the components of the input two vectors into the output vector.
  
  NB: the indices must be compile time literals, to match the X86 SHUFPD
  instruction immediate and the LLVM shufflevector instruction.
  
  These are handled in the X86 NCG and the LLVM backend.
  
  Tested in simd009.
  

• 0d2428d6
  by sheaf at 2024-09-27T06:10:57-04:00

  Add Broadcast MachOps
  
  This adds proper MachOps for broadcast instructions, allowing us to
  produce better code for broadcasting a value than simply packing that
  value (doing many vector insertions in a row).
  
  These are lowered in the X86 NCG and LLVM backends. In the LLVM backend,
  it uses the previously introduced shuffle instructions.
  

• e6c19a41
  by sheaf at 2024-09-27T06:10:57-04:00

  Fix treatment of signed zero in vector negation
  
  This commit fixes the handling of signed zero in floating-point vector
  negation.
  
  A slight hack was introduced to work around the fact that Cmm doesn't
  currently have a notion of signed floating point literals
  (see get_float_broadcast_value_reg). This can be removed once CmmFloat
  can express the value -0.0.
  
  The simd006 test has been updated to use a stricter notion of equality
  of floating-point values, which ensure the validity of this change.
  

• f496ff7f
  by sheaf at 2024-09-27T06:10:57-04:00

  Add min/max primops
  
  This commit adds min/max primops, such as
  
    minDouble# :: Double# -> Double# -> Double#
    minFloatX4# :: FloatX4# -> FloatX4# -> FloatX4#
    minWord16X8# :: Word16X8# -> Word16X8# -> Word16X8#
  
  These are supported in:
    - the X86, AArch64 and PowerPC NCGs,
    - the LLVM backend,
    - the WebAssembly and JavaScript backends.
  
  Fixes #25120
  

• 5dd2a423
  by sheaf at 2024-09-27T06:10:57-04:00

  Add test for C calls & SIMD vectors
  

• f824e1ee
  by sheaf at 2024-09-27T06:10:58-04:00

  Add test for #25169
  

• d54db7f3
  by sheaf at 2024-09-27T06:10:58-04:00

  Fix #25169 using Plan A from the ticket
  
  We now compile certain low-level Cmm functions in the RTS multiple
  times, with different levels of vector support. We then dispatch
  at runtime in the RTS, based on what instructions are supported.
  
  See Note [realArgRegsCover] in GHC.Cmm.CallConv.
  
  Fixes #25169
  
  -------------------------
  Metric Increase:
      T10421
      T12425
      T18730
      T1969
      T9198
  -------------------------
  

• d5f8778a
  by sheaf at 2024-09-27T06:10:58-04:00

  Fix C calls with SIMD vectors
  
  This commit fixes the code generation for C calls, to take into account
  the calling convention.
  
  This is particularly tricky on Windows, where all vectors are expected
  to be passed by reference. See Note [The Windows X64 C calling convention]
  in GHC.CmmToAsm.X86.CodeGen.
  

• f64bd564
  by sheaf at 2024-09-27T06:10:58-04:00

  X86 CodeGen: refactor getRegister CmmLit
  
  This refactors the code dealing with loading literals into registers,
  removing duplication and putting all the code in a single place.
  It also changes which XOR instruction is used to place a zero value
  into a register, so that we use VPXOR for a 128-bit integer vector
  when AVX is supported.
  

• ab12de6b
  by sheaf at 2024-09-27T06:10:58-04:00

  X86 genCCall: promote arg before calling evalArgs
  
  The job of evalArgs is to ensure each argument is put into a temporary
  register, so that it can then be loaded directly into one of the
  argument registers for the C call, without the generated code clobbering
  any other register used for argument passing.
  
  However, if we promote arguments after calling evalArgs, there is the
  possibility that the code used for the promotion will clobber a register,
  defeating the work of evalArgs.
  To avoid this, we first promote arguments, and only then call evalArgs.
  

• 8fd12429
  by sheaf at 2024-09-27T06:10:58-04:00

  X86 genCCall64: simplify loadArg code
  
  This commit simplifies the argument loading code by making the
  assumption that it is safe to directly load the argument into register,
  because doing so will not clobber any previous assignments.
  
  This assumption is borne from the use of 'evalArgs', which evaluates
  any arguments which might necessitate non-trivial code generation into
  separate temporary registers.
  

• 12504a9f
  by sheaf at 2024-09-27T06:10:58-04:00

  LLVM: propagate GlobalRegUse information
  
  This commit ensures we keep track of how any particular global register
  is being used in the LLVM backend. This informs the LLVM type
  annotations, and avoids type mismatches of the following form:
  
    argument is not of expected type '<2 x double>'
      call ccc <2 x double> (<2 x double>)
        (<4 x i32> arg)
  

• 2bb1e8df
  by Cheng Shao at 2024-09-27T06:11:35-04:00

  Link bytecode from interface-stored core bindings in oneshot mode
  
  !13042
  
  Part of #T25090
  
  If the flag `-fprefer-byte-code` is given when compiling a module
  containing TH, GHC will use Core bindings stored in interfaces to
  compile and link bytecode for splices.
  
  This was only implemented for `--make` mode initially, so this commit
  adds the same mechanism to oneshot mode (`-c`).
  
  When an interface is loaded into the EPS in `loadInterface` that has
  dehydrated Core bindings, an entry is added to the new field
  `eps_iface_bytecode`, containing an IO action that produces a bytecode
  `Linkable`, lazily processing the `mi_extra_decls` by calling
  `loadIfaceByteCode`.
  
  When Template Haskell dependencies are resolved in `getLinkDeps`, this
  action is looked up after loading a module's interface.
  If it exists, the action is evaluated and the bytecode is added to the
  set of `Linkable`s used for execution of the splice; otherwise it falls
  back on the traditional object file.
  
  Metric Decrease:
      MultiLayerModules
      T13701
  

• 7cb7172e
  by Matthew Pickering at 2024-09-27T06:12:12-04:00

  ci: Fix variable inheritence for ghcup-metadata testing job
  
  Downstream in ghcup-ci we use the CONFIGURE_ARGS variable to determine
  how to setup all the different jobs.
  
  On the downstream trigger this was being inherited from the default
  setting in .gitlab.yml file.
  
  Therefore this led to job failures as the necessary CONFIGURE_ARGS were
  not being passed to the configure script when installing the bindist.
  
  See docs:
  
  * https://docs.gitlab.com/ee/ci/yaml/#inherit
  * https://docs.gitlab.com/ee/ci/yaml/#triggerforward
  
  1. inherit:variables:fals
    - This stops the global variables being inherited into the job and
      hence forwarded onto the downstream job.
  
  2. trigger:forward:*
    - yaml_variables: true (default) pass yaml variables to downstream,
      this is important to pass the upstream pipeline id to downstream.
    - pipeline_variables: false (default) but don't pass pipeline
      variables (normal environment variables).
  
  Fixes #25294
  

• 9ffd6163
  by Leo at 2024-09-27T16:26:01+05:30

  Fix typo in Prelude doc for (>>=)
  
  Fix a minor typo ("equivialent" instead of "equivalent") in the documentation for (>>=) in the prelude.
  

• 5745dbd3
  by Vladislav Zavialov at 2024-09-27T16:26:52+05:30

  Wildcard binders in type declarations (#23501)
  
  Add support for wildcard binders in type declarations:
  
  	type Const a b = a   -- BEFORE: the `b` had to be named
  	                     --         even if unused on the RHS
  
  	type Const a _ = a   -- AFTER: the compiler accepts
  	                     --        a wildcard binder `_`
  
  The new feature is part of GHC Proposal #425 "Invisible binders
  in type declarations", and more specifically its amendment #641.
  
  Just like a named binder, a wildcard binder `_` may be:
  
  	* plain:      _
  	* kinded:    (_ :: k -> Type)
  	* invisible, plain:  @_
  	* invisible, kinded: @(_ :: k -> Type)
  
  Those new forms of binders are allowed to occur on the LHSs of
  data, newtype, type, class, and type/data family declarations:
  
  	data D _ = ...
  	newtype N _ = ...
  	type T _ = ...
  	class C _ where ...
  	type family F _
  	data family DF _
  
  (Test case: testsuite/tests/typecheck/should_compile/T23501a.hs)
  
  However, we choose to reject them in forall telescopes and
  type family result variable binders (the latter being part
  of the TypeFamilyDependencies extension):
  
  	type family Fd a = _    -- disallowed  (WildcardBndrInTyFamResultVar)
  	fn :: forall _. Int     -- disallowed  (WildcardBndrInForallTelescope)
  
  (Test case: testsuite/tests/rename/should_fail/T23501_fail.hs)
  
  See the new Notes:
  	* Note [Type variable binders]
  	* Note [Wildcard binders in disallowed contexts]
  
  To accommodate the new forms of binders, HsTyVarBndr was changed
  as follows (demonstrated without x-fields for clarity)
  
  	-- BEFORE (ignoring x-fields and locations)
  	data HsTyVarBndr flag
  	  = UserTyVar   flag Name
  	  | KindedTyVar flag Name HsKind
  
  	-- AFTER (ignoring x-fields and locations)
  	data HsTyVarBndr flag = HsTvb flag HsBndrVar HsBndrKind
  	data HsBndrVar  = HsBndrVar Name | HsBndrWildCard
  	data HsBndrKind = HsBndrNoKind | HsBndrKind LHsKind
  
  The rest of the patch is downstream from this change.
  
  To avoid a breaking change to the TH AST, we generate fresh
  names to replace wildcard binders instead of adding a dedicated
  representation for them (as discussed in #641).
  
  And to put a cherry on top of the cake, we now allow wildcards in
  kind-polymorphic type variable binders in constructor patterns,
  see Note [Type patterns: binders and unifiers] and the tyPatToBndr
  function in GHC.Tc.Gen.HsType; example:
  
  	fn (MkT @(_ :: forall k. k -> Type) _ _) = ...
  
  (Test case: testsuite/tests/typecheck/should_compile/T23501b.hs)
  

• ff2bdca2
  by Matthew Pickering at 2024-09-27T16:27:08+05:30

  ci: Push perf notes from wasm jobs
  
  It was observed in #25299 that we were failing to push performance
  numbers from the wasm jobs.
  
  In future we might want to remove this ad-hoc check but for now it's
  easier to add another special case.
  
  Towards #25299
  

• 4c76f75c
  by Zubin Duggal at 2024-09-27T16:44:00+05:30

  Bump GHC version to 9.12
  

• e4ac1b0d
  by Zubin Duggal at 2024-09-27T19:12:24+05:30

  Bump GHC version to 9.13
  

• da20cac1
  by Andreas Klebinger at 2024-10-02T22:18:48-04:00

  SpecConstr: Introduce a separate argument limit for forced specs.
  
  We used to put no limit at all on specializations forced via the SPEC
  argument. This isn't always reasonable so we introduce a very high limit
  that applies to forced specializations, a flag to control it, and we now
  emit a warning if we fail a specialization because we exceed the
  warning.
  
  Fixes #25197
  

• 39497eed
  by Andreas Klebinger at 2024-10-02T22:19:24-04:00

  ghc-experimental: Expose primops and ghc extensions via GHC.PrimOps
  
  This will be the new place for functions that would have gone into
  GHC.Exts in the past but are not stable enough to do so now.
  
  Addresses #25242
  

• e9dc2690
  by Sylvain Henry at 2024-10-02T22:20:06-04:00

  RTS: cleanup timerfd file descriptors after a fork (#25280)
  
  When we init a timerfd-based ticker, we should be careful to cleanup the
  old file descriptors (e.g. after a fork).
  

• 64e876bc
  by Rodrigo Mesquita at 2024-10-02T22:20:43-04:00

  determinism: Deterministic MonadGetUnique LlvmM
  
  Update LlvmM to thread a unique deterministic supply (using UniqDSMT),
  and use it in the MonadGetUnique instance.
  
  This makes uniques sampled from LlvmM deterministic, which guarantees
  object determinism with -fllvm.
  
  Fixes #25274
  

• 36bbb167
  by Matthew Pickering at 2024-10-02T22:21:18-04:00

  Bump LLVM upper bound to allow LLVM 19
  
  Also bumps the ci-images commit so that the deb12 images uses LLVM 19
  for testing.
  
  -------------------------
  Metric Decrease:
      size_hello_artifact_gzip
      size_hello_unicode_gzip
  -------------------------
  
  Fixes #25295
  

• 0029ca91
  by Matthew Pickering at 2024-10-02T22:21:54-04:00

  configure: Allow happy-2.0.2
  
  happy-2.0.2 can be used to compile GHC.
  
  happy-2.0 and 2.0.1 have bugs which make it unsuitable to use.
  
  The version bound is now == 1.20.* || >= 2.0.2 && < 2.1
  
  Fixes #25276
  

• 92976985
  by ARATA Mizuki at 2024-10-02T22:22:35-04:00

  Use bundled llc/opt on Windows (#22438)
  

• af59749a
  by Matthew Pickering at 2024-10-02T22:23:11-04:00

  Fix registerArch for riscv64
  
  The register allocator doesn't support vector registers on riscv64,
  therefore advertise as NoVectors.
  
  Fixes #25314
  

• a49e66fc
  by Matthew Pickering at 2024-10-02T22:23:11-04:00

  riscv: Avoid using csrr instruction to test for vector registers
  
  The csrr instruction isn't allowed in qemu user-mode, and raises an
  illegal instruction error when it is encountered.
  
  Therefore for now, we just hard-code that there is no support for vector
  registers since the rest of the compiler doesn't support vector
  registers for riscv.
  
  Fixes #25312
  

• 115a30e9
  by Andreas Klebinger at 2024-10-02T22:23:11-04:00

  Add support for fp min/max to riscv
  
  Fixes #25313
  

• f28b5992
  by Ben Gamari at 2024-10-02T22:23:47-04:00

  testsuite/perf: Report better error message on malformed note
  
  Previously a malformed perf note resulted in very poor errors.
  Here we slight improve this situation.
  

• 51377508
  by Ben Gamari at 2024-10-02T22:23:47-04:00

  testsuite: Handle division-by-zero more gracefully
  
  Previously we would fail with an ZeroDivisionError.
  
  Fixes #25321
  

• 50490075
  by Matthew Pickering at 2024-10-03T05:55:13-04:00

  ci: Add nightly & release ubuntu-22.04 jobs
  
  This adds build of bindists on ubuntu-22.04 on nightly and release
  pipelines.
  
  We also update ghcup-metadata to provide ubuntu-22.04 bindists on
  ubuntu-22.04.
  
  Fixes #25317
  

• 9cf1cef5
  by Zubin Duggal at 2024-10-03T05:55:49-04:00

  haddock: Bump binary interface version to 46.
  
  This allows haddock to give good error messages when being used on mismatched interface files.
  
  We bump to 46 since GHC 9.12 uses version 45: https://gitlab.haskell.org/ghc/ghc/-/commit/362afd632032ee8f174690c3ffe0015076b83ce6
  
  This should have been done in e4ac1b0d281b85a0144d1ef6f84a1df00e236052 but was overlooked.
  

• 2293c0b7
  by Andreas Klebinger at 2024-10-03T05:56:25-04:00

  Change versionig of ghc-experimental to follow ghc versions.
  
  Just like ghc-internal it will now use the @ProjectVersionForLib@ macro for versioning.
  This means for ghc=9.10.1, ghc-experimental's version will be 9.1001.0 and so on.
  
  This fixes #25289
  

• 876d6e0e
  by Ben Gamari at 2024-10-04T15:07:53+01:00

  base: Add `HasCallStack` constraint to `ioError`
  
  As proposed in core-libraries-committee#275.
  

• 9bfd9fd0
  by Matthew Pickering at 2024-10-04T15:08:03+01:00

  Fix toException method for ExceptionWithContext
  
  Fixes #25235
  

• ac004028
  by Matthew Pickering at 2024-10-04T15:09:07+01:00

  Exception rethrowing
  
  Basic changes:
  
  * Change `catch` function to propagate exceptions using the
    WhileHandling mechanism.
  * Introduce `catchNoPropagate`, which does the same as before, but
    passes an exception which can be rethrown.
  * Introduce `rethrowIO` combinator, which rethrows an exception with a
    context and doesn't add a new backtrace.
  * Introduce `tryWithContext` for a variant of `try` which can rethrow
    the exception with it's original context.
  * onException is modified to rethrow the original error rather than
    creating a new callstack.
  * Functions which rethrow in GHC.Internal.IO.Handle.FD,
    GHC.Internal.IO.Handle.Internals, GHC.Internal.IO.Handle.Text, and
    GHC.Internal.System.IO.Error are modified to not add a new callstack.
  
  Implements CLC proposal#202 <https://github.com/haskell/core-libraries-committee/issues/202>
  

• bcb293f2
  by Cheng Shao at 2024-10-04T17:59:28-04:00

  testsuite: remove accidentally checked in debug print logic
  

• 68e2da5a
  by Rodrigo Mesquita at 2024-10-05T10:36:15-04:00

  Deprecation for WarnCompatUnqualifiedImports
  
  Fixes #25330
  

• 4327f0e8
  by Andrew Lelechenko at 2024-10-05T10:36:52-04:00

  Restrict Data.List.NonEmpty.unzip to NonEmpty (a, b) -> (NonEmpty a, NonEmpty b)
  
  Implementing the final phase of CLC proposal https://github.com/haskell/core-libraries-committee/issues/86
  

• ceca9efb
  by Cheng Shao at 2024-10-06T02:18:31+00:00

  driver: fix runWorkerLimit on wasm
  
  This commit fixes link-time unresolved symbol errors for sem_open etc
  on wasm, by making runWorkerLimit always behave single-threaded. This
  avoids introducing the jobserver logic into the final wasm module and
  thus avoids referencing the posix semaphore symbols.
  

• 135fd1ac
  by Torsten Schmits at 2024-10-06T02:18:31+00:00

  Parallelize getRootSummary computations in dep analysis downsweep
  
  This reuses the upsweep step's infrastructure to process batches of
  modules in parallel.
  
  I benchmarked this by running `ghc -M` on two sets of 10,000 modules;
  one with a linear dependency chain and the other with a binary tree.
  Comparing different values for the number of modules per thread
  suggested an optimum at `length targets `div` (n_cap * 2)`, with results
  similar to this one (6 cores, 12 threads):
  
  ```
  Benchmark 1: linear 1 jobs
    Time (mean ± σ):      1.775 s ±  0.026 s    [User: 1.377 s, System: 0.399 s]
    Range (min … max):    1.757 s …  1.793 s    2 runs
  
  Benchmark 2: linear 6 jobs
    Time (mean ± σ):     876.2 ms ±  20.9 ms    [User: 1833.2 ms, System: 518.6 ms]
    Range (min … max):   856.2 ms … 898.0 ms    3 runs
  
  Benchmark 3: linear 12 jobs
    Time (mean ± σ):     793.5 ms ±  23.2 ms    [User: 2318.9 ms, System: 718.6 ms]
    Range (min … max):   771.9 ms … 818.0 ms    3 runs
  ```
  
  Results don't differ much when the batch size is reduced to a quarter
  of that, but there's significant thread scheduling overhead for a size
  of 1:
  
  ```
  Benchmark 1: linear 1 jobs
    Time (mean ± σ):      2.611 s ±  0.029 s    [User: 2.851 s, System: 0.783 s]
    Range (min … max):    2.591 s …  2.632 s    2 runs
  
  Benchmark 2: linear 6 jobs
    Time (mean ± σ):      1.189 s ±  0.007 s    [User: 2.707 s, System: 1.103 s]
    Range (min … max):    1.184 s …  1.194 s    2 runs
  
  Benchmark 3: linear 12 jobs
    Time (mean ± σ):      1.097 s ±  0.006 s    [User: 2.938 s, System: 1.300 s]
    Range (min … max):    1.093 s …  1.101 s    2 runs
  ```
  
  Larger batches also slightly worsen performance.
  

• 535a2117
  by Daniel Díaz at 2024-10-06T09:51:46-04:00

  Clarify the meaning of "exactly once" in LinearTypes
  
  Solves documentaion issue #25084.
  

• 92f8939a
  by Krzysztof Gogolewski at 2024-10-06T09:52:22-04:00

  Only allow (a => b) :: Constraint rather than CONSTRAINT rep
  
  Fixes #25243
  

• 4a2f0f13
  by Alan Zimmerman at 2024-10-07T05:16:54-04:00

  EPA: Remove unused hsCaseAnnsRest
  
  We never populate it, so remove it.
  

• 5099057b
  by John Paul Adrian Glaubitz at 2024-10-07T05:17:40-04:00

  rts: Fix invocation of __ieee_set_fp_control() on alpha-linux
  
  Fixes the following error when building GHC on alpha-linux:
  
  rts/posix/Signals.c: In function ‘initDefaultHandlers’:
  
  rts/posix/Signals.c:709:5: error:
       error: implicit declaration of function ‘ieee_set_fp_control’ [-Wimplicit-function-declaration]
        709 |     ieee_set_fp_control(0);
            |     ^~~~~~~~~~~~~~~~~~~
      |
  709 |     ieee_set_fp_control(0);
      |
  

• c9590ba0
  by Teo Camarasu at 2024-10-07T05:18:17-04:00

  Add changelog entries for !12479
  

• bf9c9566
  by Matthew Pickering at 2024-10-07T13:19:30-04:00

  javascript: Read fields of ObjectBlock lazily
  
  When linking a module with a large dependency footprint too much of the
  object files were forced during linking. This lead to a large amount of
  memory taken up by thunks which would never be forced
  
  On the PartialDownsweep test this halves the memory required (from 25G
  to 13G).
  
  Towards #25324
  
  -------------------------
  Metric Increase:
      size_hello_obj
  -------------------------
  

• 571329df
  by Matthew Pickering at 2024-10-07T13:20:06-04:00

  ci: Run the i386 validation job when i386 label is set
  
  This is helpful when making changes to base and must update the
  javascript and i386 base exports files.
  

• e68f9aaf
  by Matthew Pickering at 2024-10-07T13:20:42-04:00

  Rewrite partitionByWorkerSize to avoid pattern match checker bug
  
  With `-g3` the pattern match checker would warn about these incomplete
  patterns. This affects the debug_info builds on CI.
  
  ```
      Pattern match(es) are non-exhaustive
      In an equation for ‘go’:
          Patterns of type ‘[a]’, ‘[a]’, ‘[SpecFailWarning]’ not matched:
              (_:_) _ _
       |
  2514 |         go [] small warnings = (small, warnings)
       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...
  ```
  
  Workaround for #25338
  

• d915dc8b
  by Arnaud Spiwack at 2024-10-07T19:23:00-04:00

  Remove the wrapper/coercion-passing logic for submultiplicity checks
  
  Instead, we use a dedicated DelayedError, which is emitted
  systematically on submultiplicity checks, but is suppressed if we can
  indeed solve the submultiplicity constraint with a reflexivity
  coercion.
  
  This way, we don't have to return anything from `tcSubMult`, which now
  looks like a regular constraint check, the rest is implementation
  detail. This removes all of the strange boilerplate that I'd been
  struggling with under the previous implementation. Even if
  submultiplicity checks are not properly constraints, this way it's
  contained entirely within a `WantedConstraint`. Much more pleasant.
  
  Closes #25128.
  

• 1d226116
  by Sven Tennie at 2024-10-07T19:23:37-04:00

  AArch64: Implement switch/jump tables (#19912)
  
  This improves the performance of Cmm switch statements (compared to a
  chain of if statements.)
  

• 3fe621dd
  by Mario Blažević at 2024-10-07T19:24:18-04:00

  Fixes #25256, missing parens inside TH-printed pattern type signature
  

• ea4b4391
  by ARATA Mizuki at 2024-10-07T19:24:59-04:00

  Better documentation for floatRange function
  
  Closes #16479
  

• ff09205c
  by Andreas Klebinger at 2024-10-07T19:25:35-04:00

  Adjust progress message for hadrian to include cwd.
  
  Fixes #25335
  

• 5fd320da
  by Sven Tennie at 2024-10-07T19:26:12-04:00

  CCallConv test: Align argument types
  
  The C calling convention / standard requires that arguments and their
  values are of the same type.
  

• c6e5fd3d
  by Cheng Shao at 2024-10-07T19:26:47-04:00

  hadrian: remove unused ghciWithDebugger field from flavour config
  
  This patch removes the ghciWithDebugger field from flavour config
  since it's actually not used anywhere.
  

• 9c9c790d
  by sheaf at 2024-10-07T19:27:23-04:00

  user's guide: update docs for X86 CPU flags
  
  This commit updates the section of the user's guide pertaining to
  X86 feature flags with the following changes:
  
    - the NCG backend now supports SIMD, so remove all text
      that says the contrary,
    - the LLVM backend does not "automatically detect" features,
      so remove any text that makes that claim.
  

• a1ecc826
  by Sven Tennie at 2024-10-08T13:36:03-04:00

  ci: RISCV64 cross-compile testing
  
  This adds a validation job which tests that we can build a riscv64 cross
  compiler and build a simple program using it. We do not currently run
  the whole testsuite.
  
  Towards #25254
  
  Co-authored-by: Matthew Pickering <matthewtpickering@gmail.com>
  

• d5c2577f
  by Arnaud Spiwack at 2024-10-08T13:36:44-04:00

  Remove unused accumulators in partition_errors
  

• 55609880
  by Andrzej Rybczak at 2024-10-09T16:41:46-04:00

  Fix typo in the @since annotation of annotateIO
  

• ef481813
  by Alan Zimmerman at 2024-10-09T16:42:23-04:00

  EPA: Remove [AddEpAnn] from (most of) HsExpr
  
  EPA: introduce EpAnnLam for lambda annotationsi, and remove `glAA`
  from `Parser.y`, it is the same as `glR`
  
  EPA: Remove unused annotation from XOpApp
  
  EPA: Use EpToken for XNPat and XNegApp
  
  EPA: specific anns for XExplicitTuple / XTuplePat / sumPatParens.
  
  EPA: Use specific annotation for MultiIf
  
  EPA: Move annotations into FunRhs
  
  EPA: Remove [AddEpAnn] from SigPat and ExprWithTySig
  
  EPA: Remove [AddEpAnn] from ArithSeq
  
  EPA: Remove [AddEpAnn] from HsProc
  
  EPA: Remove [AddEpAnn] from HsStatic
  
  EPA: Remove [AddEpAnn] from BindStmt
  
  EPA: Remove [AddEpAnn] from TransStmt
  
  EPA: Remove [AddEpAnn] from HsTypedSplice
  
  EPA: Remove [AddEpAnn] from HsUntypedSpliceExpr
  

• 69960230
  by Fabian Thorand at 2024-10-10T19:03:59+00:00

  Handle exceptions from IO manager backend
  
  If an IO manager backend throws, it will not actually have registered
  the file descriptor. However, at that point, the IO manager state was
  already updated to assume the file descriptor is being tracked, leading
  to errors and an eventual deadlock down the line as documented in the
  issue #21969.
  
  The fix for this is to undo the IO manager state change in case the
  backend throws (just as we already do when the backend signals that the
  file type is not supported). The exception then bubbles up to user code.
  
  That way we make sure that
  1. the bookkeeping state of the IO manager is consistent with the
     actions taken by the backend, even in the presence of unexpected
     failures, and
  2. the error is not silent and visible to user code, making failures
     easier to debug.
  

• 1587cccf
  by Hassan Al-Awwadi at 2024-10-11T03:52:36-04:00

  Put RdrName in the foExt field of FieldOcc
  
  The main purpose of this commit is to rip RdrName out of FieldOcc, in
  accordance with #21592, and as a side note it has simplified the method
  we use to deal with ambiguity somewhat.
  
  To do the first, we make FieldOccs store (LIdP p) instead of always
  storing Located RdrName, and moved the readername to the extension
  points where necessary.
  
  For the second, well, we just turn an ambiguous RdrName into a unbound
  Name through mkUnboundName. Later during disambiguateRecordBinds of the
  type checking phase, we will try and do type-directed disambiguation based
  on the rdrName field (for now), so this hack works out fine.
  
  See Note [Ambiguous FieldOcc in record updates] for more details.
  
  There are two additional minor changes in this commit:
  *  The HsRecSel constructor of HsExpr has been moved to the extension
  constuctors, since its really GHC specific.
  *  HsProjection no longer has a Located DotFieldOcc as a field, but just a
  regular DotFieldOcc, since DotFieldOcc already wraps a located
  FieldLabelString
  
  co-authored by: @Jade       <Jade512@proton.me>
                  @alt-romes  <rodrigo.m.mesquita@gmail.com>
  

• 2338a971
  by Cheng Shao at 2024-10-11T03:53:13-04:00

  driver: bail out when -fllvm is passed to GHC not configured with LLVM
  
  This patch makes GHC bail out with an proper error message when it's
  not configured with LLVM but users attempt to pass -fllvm, see #25011
  and added comment for details.
  
  Fixes #25011
  
  Co-authored-by: Rodrigo Mesquita <rodrigo.m.mesquita@gmail.com>
  

• 78ad81ec
  by Cristiano Moraes at 2024-10-11T03:53:55-04:00

  configure: Find C++ probing when GCC version is the latest but G++ is old #23118

• 083703a1
  by Simon Peyton Jones at 2024-10-11T03:54:32-04:00

  Consider Wanteds with rewriters as insoluble
  
  This MR fixes #25325
  
  See GHC.Tc.Types.Constraint, Note [Insoluble Wanteds], especially (IW2)
  
  There is a small change in the error message for T14172, but it looks
  entirely acceptable to me.
  

• 0dfaeb66
  by Simon Peyton Jones at 2024-10-11T03:54:32-04:00

  Wibbles
  

• 09d24d82
  by Simon Peyton Jones at 2024-10-11T03:54:32-04:00

  Spelling errors
  

• 694489ed
  by sheaf at 2024-10-11T03:55:14-04:00

  LLVM: use sse4.2 instead of sse42
  
  LLVM expects the former instead of the latter since version 3.4.
  
  Fixes #25019
  

• 06ae8507
  by sheaf at 2024-10-11T03:55:14-04:00

  LLVM: make SSE4.2 imply +popcnt
  
  For consistency with the NCG as well as with Clang and GCC, we make
  the SSE4.2 feature flag imply +popcnt when using the LLVM backend.
  
  Fixes #25353
  

• 3fe843c7
  by Cheng Shao at 2024-10-11T03:55:50-04:00

  Drop obsolete libffi Makefile
  
  This patch drops obsolete libffi Makefile from the tree, given it's
  completely unused since removal of make build system in !7094.
  

• df70405c
  by Ben Gamari at 2024-10-11T03:56:26-04:00

  ghc-internal: Fix incomplete matches on IOError
  
  As noted in #25362, these incomplete matches were previously not being
  warned about. They were easily addressed by use of
  `GHC.Internal.Event.Windows.withException`.
  
  Closes #25362.
  

• 8584504b
  by Matthew Pickering at 2024-10-11T03:57:02-04:00

  compiler: Fix orientation of GHC.Hs.Doc boot file
  
  We should be free to import things from Language.Haskell.Syntax in GHC
  modules. Therefore the the boot file for the loop between ImpExp and
  GHC.Hs.Doc was in the wrong place.
  
  Issue #21592
  

• d029f170
  by Ben Gamari at 2024-10-11T23:43:17-04:00

  testsuite: Normalise trailing digits from hole fits output
  
  The type variables in the holes fit output from
  `abstract_refinement_hole_fits` is quite sensitive to compiler
  configuration. Specifically, a slight change in the inlining
  behavior of `throw` changes type variable naming in `(>>=)` and a few
  others.
  
  Ideally we would make hole fits output more deterministic but in the
  meantime we simply normalise this difference away as it not relevant
  to the test's goal.
  

• da5d7d0d
  by Ben Gamari at 2024-10-11T23:43:17-04:00

  base: Add test for #25066
  

• eb7ddae1
  by Ben Gamari at 2024-10-11T23:43:17-04:00

  base: Fix #25066
  
  As noted in #25066, the exception backtrace proposal introduced a rather
  subtle performance regression due to simplification producing Core which
  the demand analyser concludes may diverge with a precise exception. The
  nature of the problem is more completely described in the new Note
  [Hiding precise exception signature in throw].
  
  The (rather hacky) solution we use here hides the problematic
  optimisation through judicious use of `noinline`. Ultimately however we
  will want a more principled solution (e.g. #23847).
  
  Fixes #255066
  
  CLC proposal: https://github.com/haskell/core-libraries-committee/issues/290
  
  Metric Decrease:
      T9872d
  

• 0060ece7
  by Ben Gamari at 2024-10-11T23:43:17-04:00

  base: Improve documentation of Control.Exception.Backtrace
  

• 18f532f3
  by Ben Gamari at 2024-10-11T23:43:53-04:00

  Bump process submodule to v1.6.25.0
  

• a9a3badf
  by Hassan Al-Awwadi at 2024-10-11T23:44:29-04:00

  Move HsInteger and HsRat to an extension constructor
  
  These constructors were only used during the TC stage,
  or during template haskell. It seemed clear that it was
  independent of the source syntax represented in L.H.S,
  and thus we removed it according to #21592.
  

• 4dd30cba
  by Artem Pelenitsyn at 2024-10-11T23:45:09-04:00

  Docs: Linear types: link Strict Patterns subsection
  
  Also, fix a bug in RST with missing newline before a listing.
  
  Co-authored-by: Arnaud Spiwack <arnaud@spiwack.net>
  

• adca5f2b
  by Ben Gamari at 2024-10-11T23:45:45-04:00

  users guide: Address remaining TODOs in eventlog format docs
  
  Closes #25296.
  

• 9291c125
  by Sylvain Henry at 2024-10-11T23:46:26-04:00

  Fix z-encoding of tuples (#25364)
  
  Tuples with prefix/suffix strings weren't always properly encoded with
  their shortcut notations. Fix this.
  

• c08b68bc
  by Sven Tennie at 2024-10-11T23:47:01-04:00

  Delete constants that can be deduced
  
  There are macros in MachRegs.h to figure those out.
  

• 8b402da2
  by Zubin Duggal at 2024-10-12T20:36:57+00:00

  hadrian: Handle broken symlinks properly when creating source dist directories
  
  If we have a broken symlink in the repository, don't try to `need` the symlink
  or the target of the symlink. Attempting to do so has `shake` attempt to read the
  target to compute its hash, which fails because the target doesn't exist.
  

• 16f97667
  by Zubin Duggal at 2024-10-12T20:36:57+00:00

  hadrian: exclude cabal.project.symlink.broken from source archives
  
  Cabal 3.14 introduced a broken symlink in its testsuite. Unfortunately,
  this broke our source distribution as we use use `tar --dereference` to avoid
  issues with symlink compatibility on windows, and `tar --dereference` chokes
  when it encounters any broken symlinks.
  
  We can't get rid of `--dereference` because symlinks are generally broken on
  windows, so the only option is to exclude this file from source archives.
  
  see also https://github.com/haskell/cabal/issues/10442
  

• f1a2c9fc
  by Zubin Duggal at 2024-10-12T20:36:57+00:00

  Bump Cabal submodule to 3.14
  
  Metric Decrease:
      MultiLayerModulesTH_OneShot
  Metric Increase:
      haddock.Cabal
  

• 745dd590
  by Ben Gamari at 2024-10-14T09:13:12-04:00

  users-guide: Document GHCi :where command
  
  Resolve #24509.
  

• e9cc4699
  by Alan Zimmerman at 2024-10-14T09:13:48-04:00

  EPA: Remove [AddEpAnn] from IE, Pat and some Tys
  
  EPA: Remove [AddEpAnn] from LazyPat
  
  EPA: Remove [AddEpAnn] from RecordCon/RecordUpd/ConPat
  
  EPA: Remove [AddEpAnn] from HsFieldBind
  
  EPA: Remove [AddEpAnn] from PatSynBind
  
  EPA: Remove [AddEpAnn] from IPBind
  
  EPA: Remove [AddEpAnn] from FixSig
  
  EPA: Remove [AddEpAnn] from activation rules
  
  EPA: Remove [AddEpann] from SpecInstSig
  
  EPA: Remove [AddEpAnn] from MinimalSig
  
  EPA: Remove [AddEpAnn] from SCCFunSig
  
  EPA: Remove [AddEpAnn] from CompleteMatchSig
  
  EPA: Remove [AddEpAnn] from AnnSig, as used in PatSynSig, ClassOpSig, TypeSig
  
  EPA: Remove [AddEpAnn] from IEThingAbs
  
  EPA: Remove [AddEpAnn] from IEThingAll / IEThingWith
  
  EPA: Remove [AddEpAnn] from IEModuleContents
  
  EPA: Remove [AddEpAnn] from HsOpTy
  
  EPA: Remove [AddEpAnn] for various binders
  
  EPA: Remove [AddEpAnn] for HsIParamTy
  

• 81a570bf
  by Sebastian Graf at 2024-10-14T22:15:31-04:00

  Desugaring, plus -Wincomplete-record-selectors
  
  This commit does several related things:
  
  * Major refactor of the handling of applications in the desugarer.
    Now all applications are handled in `dsApp`, `ds_app` and related
    functions.  This dramatically simplifies the code and removes
    complicated cruft that had accumulated.  Hooray.
  
    Fixes #25281.
  
  * Improve the handling of -Wincomplete-record-selectors.
  
    We now incorporate the result type of unsaturated record selector
    applications as well as consider long-distance information in
    getField applications.
  
    Plus, the implmentation now builds the improved `dsApp` stuff
    above, so it is much easier to understand.
  
    Plus, incorporates improved error message wording suggested
    by Adam Gundry in !12685.
  
    Fixes #24824, #24891
  
    See the long Note [Detecting incomplete record selectors]
  
  * Add -Wincomplete-record-selectors to -Wall, as specified in
    GHC Proposal 516.
  
    To do this, I also had to add -Wno-incomplete-record-selectors
    to the build flags for Cabal in GHC's CI.  See
    hadrian/src/Settings/Warnings.hs.  We can remove this when
    Cabal is updated so that it doesn't trigger the warning:
    https://github.com/haskell/cabal/issues/10402
  
  2.6% decrease in compile time allocation in RecordUpPerf
  
  Metric Decrease:
      RecordUpdPerf
  

• ae7bc08e
  by Simon Peyton Jones at 2024-10-14T22:15:31-04:00

  Elmininate incomplete record selectors
  
  This patch is a pure refactor of GHC's source code, to avoid the use
  of partial record selectors.  It was provoked by adding
  -Wincomplete-record-selectors to -Wall (as the GHC Proposal specified),
  which in turn showed up lots of places where GHC was using incomplete
  record selectors.
  
  This patch does mostly-simple refactoring to make it clear to the pattern
  match checker that there is in fact no partiality.
  
  There is one externally-visible change: I changed the data type HoleFit
  to split out the two cases
  
    data HoleFit = TcHoleFit  TcHoleFit | RawHoleFit SDoc
    data TcHoleFit = HoleFit { ...lots of fields }
  
  There are large swathes of code that just deal with `TcHoleFit`, and
  having it as a separate data types makes it apparent that `RawHoleFit`
  can't occur.
  
  This makes it much better -- but the change is visible in the
  HolePlugin interface.  I decided that there are so few clients of this
  API that it's worth the change.
  
  I moved several functions from Language.Haskell.Syntax to GHC.Hs.
  Reason, when instantiated at (GhcPass _), the extension data construtcor
  is guaranteed unused, and that justifies omitted patterns in these
  functions.  By putting them in GHC.Hs.X I can specialise the type for
  (GhcPass _) and thereby make the function total.
  
  An interesting side-light is that there were a few local function
  definitions without a type signature, like this one in GHC.Parser.Header
       convImport (L _ i) = (ideclPkgQual i, reLoc $ ideclName i)
  This is fully closed, and so is generalised; but that generalises
  it to any old pass, not (GhcPass _), so GHC rightly complains about the
  use of the selector `ideclPkgQual`.  I added a type signature to `i`, thus
       convImport (L _ (i::ImportDecl GhcPs))
           = (ideclPkgQual i, reLoc $ ideclName i)
  which specialised the function enough to make the record selector complete.
  Quite a surprising consequence of local let-generalisation!
  

• 6a067226
  by Simon Peyton Jones at 2024-10-14T22:15:31-04:00

  Add -Werror=-Wno-error=incomplete-record-selectors to hadrian-multi
  
  In the main MR, -Wall now includes -Wincomplete-record-selectors.
  However `hadrian-multi` has many, many warnings about incomplete
  record selectors, so this patch stops those warnings being treated
  as errors.  (See discussion on !13308.)
  
  A better fix would be to remove the use of incomplete record
  selectors, since each of them represents a potential crash.
  

• edeafc14
  by Ben Gamari at 2024-10-14T22:16:08-04:00

  users-guide: Document field coalescence
  

• 55b83587
  by ARATA Mizuki at 2024-10-14T22:16:49-04:00

  LLVM backend: Use correct rounding for Float literals
  
  Fixes #22033
  

• e59fe5c6
  by Hassan Al-Awwadi at 2024-10-15T08:25:33+00:00

  Changed import from Ghc.  module to L.H.S module
  
  Progresses #21592
  
  For some reason we still imported GHC.Types.Fixity when the definitino of Fixity and LexicalFixity have already been moved to Language.Haskell.Syntax.Basic. This fixes that for
  

• ab1767d5
  by Simon Peyton Jones at 2024-10-15T23:45:04-04:00

  Add a release-notes entry for -Wincomplete-record-selectors
  

• 6f0a62db
  by ur4t at 2024-10-16T15:33:43+00:00

  GHCi: fix improper location of ghci_history file
  
  Fixes #24266
  

• 5f67db48
  by Alan Zimmerman at 2024-10-17T05:18:43-04:00

  EPA: Remove [AddEpAnn] commit 3
  
  EPA: Remove [AddEpAnn] from HsDocTy
  
  EPA: Remove [AddEpAnn] from HsBangTy
  
  EPA: Remove [AddEpAnn] from HsExplicitListTy
  
  EPA: Remove [AddEpAnn] from HsExplicitTupleTy
  
  EPA: Remove [AddEpAnn] from HsTypedBracket
  
  EPA: Remove [AddEpAnn] from HsUntypedBracket
  
  EPA: Remove [AddEpAnn] from PatBuilderOpApp
  
  EPA: break out 'EpToken "|"' from ClassDecl anns
  
  EPA: Remove [AddEpAnn] from ClassDecl
  
  EPA: Remove [AddEpAnn] from SynDecl
  

• fbbbd010
  by Daan Rijks at 2024-10-17T05:19:19-04:00

  Expand the haddocks for Control.Category
  

• 076c1a10
  by Andrew Lelechenko at 2024-10-17T05:19:19-04:00

  documentation: more examples for Control.Category
  

• 90891962
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  ghci: mitigate host/target word size mismatch in BCOByteArray serialization
  
  This patch mitigates a severe host/target word size mismatch issue in
  BCOByteArray serialization logic introduced since !12142, see added
  note for detailed explanation.
  

• 839ac52e
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  ghci: use plain malloc for mkConInfoTable on non-TNTC platforms
  
  This patch avoids using mmap() to allocate executable memory for
  mkConInfoTable on platforms without tables-next-to-code, see added
  comment for explanation.
  

• a998f69d
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  ghc-internal: add missing CPPs for wasm
  
  This patch adds some missing CPP guards to ghc-internal, given those
  functions are non existent on wasm and would cause linking issues.
  

• 71a471e7
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  rts: rename prelude.js to prelude.mjs
  
  This commit renames prelude.js to prelude.mjs for wasm backend rts
  jsbits, and slightly adjusts the jsbits contents. This is for
  preparing the implementation of dyld.mjs that contains wasm dynamic
  linker logic, which needs to import prelude.mjs as a proper ESM
  module.
  

• 33d9db17
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  rts: add __wrapped_freeJSVal
  
  This commit wraps imported freeJSVal in a __wrapped_freeJSVal C
  function for wasm backend RTS. In general, wasm imports are only
  supposed to be directly called by C; they shouldn't be used as
  function pointers, which confuses wasm-ld at link-time when generating
  shared libraries.
  

• 0d0a16a8
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  rts: correct stale link in comment
  

• 90a35c41
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  rts: drop interpretBCO support from non-dyn ways on wasm
  
  This commit drops interpretBCO support from non dynamic rts ways on
  wasm. The bytecode interpreter is only useful when the RTS linker also
  works, and on wasm it only works for dynamic ways anyway. An
  additional benefit of dropping interpretBCO is reduction in code size
  of linked wasm modules, especially since interpretBCO references
  ffi_call which is an auto-generated large function in libffi-wasm and
  unused by most user applications.
  

• 98a32ec5
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  rts: don't build predefined GloblRegs for wasm PIC mode
  
  This commit wraps the predefined GlobalRegs in Wasm.S under a CPP
  guard to prevent building for PIC mode. When building dynamic ways of
  RTS, the wasm globals that represent STG GlobalRegs will be created
  and supplied by dyld.mjs. The current wasm dylink convention doesn't
  properly support exporting relocatable wasm globals at all, any wasm
  global exported by a .so is assumed to be a GOT.mem entry.
  

• bef94bde
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  rts: fix conflicting StgRun definitions on wasm
  
  This commit fixes conflicting StgRun definition when building dynamic
  ways of RTS for wasm in unregisterised mode.
  

• a6a82cdb
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  hadrian: use targetSupportsRPaths predicate
  
  This commit changes the hostSupportsRPaths predicate to
  targetSupportsRPaths and use that to decide whether to pass
  RPATH-related link-time options. It's not applied to stage0, we should
  just use the default link-time options of stageBoot ghc.
  

• f232c872
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  hadrian: disable internal-interpreter of ghc library when cross compiling
  
  This commit disable the internal-interpreter flag of ghc library when
  cross compiling, only external interpreter works in such cases.
  

• 577c1819
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  hadrian: enable internal-interpreter for ghc-bin stage0
  
  This commit enables internal-interpreter flag for ghc-bin even when
  compiling stage0, as long as target supports ghci. It enables ghci
  functionality for cross targets that support ghci, since cross ghc-bin
  is really stage0.
  

• c247f2ee
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  hadrian: fix CFLAGS for gmp shared objs on wasm
  
  This commit adds -fvisibility=default to CFLAGS of gmp when building
  for wasm. This is required to generate the ghc-bignum shared library
  without linking errors. Clang defaults to -fvisibility=hidden for wasm
  targets, which will cause issues when a symbol is expected to be
  exported in a shared library but without explicit visibility attribute
  annotation.
  

• 775410fd
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  hadrian: re-enable PIC for gmp on wasm
  
  This commit re-enables --with-pic=yes configuration option of gmp when
  building for wasm, given we're about to include support for shared
  libraries, TH and ghci.
  

• b45080a3
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  hadrian: add the host_fully_static flavour transformer
  
  This commit adds the host_fully_static flavour transformer to hadrian,
  which ensures stage0 is fully statically linked while still permitting
  stage1 libdir to contain shared libraries. This is intended to be used
  by the wasm backend to build portable linux bindists that contain wasm
  shared libraries.
  

• 5043507c
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  ci: update wasm jobs configuration
  
  This commit bumps ci-image revision to use updated wasm toolchain, and
  use host_fully_static instead of fully_static for wasm jobs so to
  ensure wasm shared libraries can be properly built.
  

• 2956a3f7
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  hadrian/testsuite: implement config.cross logic
  
  This commit implements the config.cross field in the testsuite driver.
  It comes from the "cross compiling" ghc info field for both
  in-tree/out-of-tree GHC, and is an accurate predicate of whether we're
  cross-compiling or not (compared to the precense of target emulator),
  and is useful to implement predicates to assert the precense of
  internal interpreter (only available on non-cross GHC) for tests that
  do require it (e.g. plugins).
  

• 8c74a0ed
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  hadrian/compiler: implement targetRTSLinkerOnlySupportsSharedLibs
  
  This patch implements the targetRTSLinkerOnlySupportsSharedLibs
  predicate in hadrian. Its definition in hadrian is the single source
  of truth, and the information propagates to ghc settings file, ghc
  driver and testsuite driver. It is used in various places to ensure
  dynamic dependency is selected when the target RTS linker only
  supports loading dynamic code.
  

• b4c3c340
  by Cheng Shao at 2024-10-17T16:41:18+00:00

  testsuite: don't use host cpu features when testing cross ghc
  
  This patch disables CPU feature detection logic when testing cross
  GHC, since those features don't make sense for the target anyway.
  

• 3c21b696
  by Cheng Shao at 2024-10-17T16:41:19+00:00

  testsuite: implement & use req_plugins predicate
  
  This commit implements req_plugins predicate to indicate that the test
  requires plugin functionality. Currently this means cross GHC is
  disabled since internal-interpreter doesn't work in cross GHC yet.
  

• 93b8af80
  by Cheng Shao at 2024-10-17T16:41:19+00:00

  testsuite: make use of config.interp_force_dyn
  
  This commit takes config.interp_force_dyn into consideration when
  setting up TH/ghci way flags.
  

• 94673d41
  by Cheng Shao at 2024-10-17T16:41:19+00:00

  testsuite: bump T17572 timeout
  

• 2b5efc2d
  by Cheng Shao at 2024-10-17T16:41:19+00:00

  testsuite: bump T22744 pre_cmd timeout
  

• 45102e2a
  by Cheng Shao at 2024-10-17T16:41:19+00:00

  testsuite: skip terminfo_so for cross ghc
  

• 05e40406
  by Cheng Shao at 2024-10-17T16:41:19+00:00

  testsuite: fix shared library size tests for cross ghc
  
  This commit fixes shared library size tests (e.g. array_so in
  testsuite/tests/perf/size/all.T) when testing cross ghc. Previously,
  if shared library file extension of host and target differs, those
  tests will fail with framework errors due to not finding the right
  files.
  

• fa68f833
  by Cheng Shao at 2024-10-17T16:41:19+00:00

  testsuite: skip ghc api tests that attempt to spawn processes inside wasm
  
  This commit skips a few ghc api tests on wasm, since they would
  attempt to spawn processes inside wasm, which is not supported at all.
  

• 1241c04e
  by Cheng Shao at 2024-10-17T16:41:19+00:00

  testsuite: skip T22840 due to broken -dtag-inference-checks on wasm
  

• 78c8b900
  by Cheng Shao at 2024-10-17T16:41:19+00:00

  testsuite: ensure $(ghciWayFlags) can be overridden
  
  This commit revises boilerplate.mk in testsuite as well as a few other
  places, to ensure the tests that do make use of $(ghciWayFlags) can
  receive the right $(ghciWayFlags) from testsuite driver config.
  

• 47989ecc
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  testsuite: skip rdynamic on wasm
  

• fefb4ea1
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  testsuite: skip T2615 on wasm
  
  This commit marks T2615 as skip on wasm, given LD_* environment
  variables aren't supported on wasm anyway.
  

• 77c79762
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  testsuite: mark MultiLayerModulesTH_Make/MultiLayerModulesTH_OneShot as fragile on wasm
  

• 69bb4745
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  testsuite: fix T16180 on wasm
  
  This commit fixes T16180 on wasm once TH support is flipped on. The
  fix is simply adding right asm code for wasm.
  

• 621c753d
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  driver: fix -fexternal-interpreter flag for JS backend
  
  Previously, -fexternal-interpreter is broken for JS backend, since GHC
  would attempt to launch a non-existent ghc-iserv* executable. This
  commit fixes it by adjusting pattern matching order in
  setTopSessionDynFlags.
  

• 80aa8983
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  driver: use interpreterDynamic predicate in preloadLib
  
  This commit use the interpreterDynamic predicate in preloadLib to
  decide if we should do dynLoadObjs instead of loadObj. Previously we
  used hostIsDynamic which was only written with non-cross internal
  interpreter in mind.
  
  The testsuite is also adjusted to remove hard-wired -fPIC flag for
  cbits (doesn't work in i386 RTS linker in vanilla way, #25260) and
  properly pass ghc_th_way_flags to ghc.
  

• 74411461
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  compiler: fix Cmm dynamic CLabels for wasm
  
  This commit fixes the handling of dynamic CLabels for the wasm
  backend. Just do the simplest handling: preserve the original CLabel,
  both unreg/NCG backends can handle them properly without issue.
  

• f6abaf13
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  driver: add necessary compile-time flags for wasm PIC mode
  
  This commit adds necessary compile-time flags when compiling for wasm
  PIC mode, see added comment for detailed explanation.
  

• 9745fcfb
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  driver: add necessary link-time flags for wasm shared libs
  
  This commit adds necessary link-time flags for wasm shared libs, see
  added comments for detailed explanation.
  

• 649aae00
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  driver: enforce -fno-use-rpaths for wasm
  
  This commit ensures the GHC driver never passes any RPATH-related
  link-time flags on wasm, which is not supported at all.
  

• 47baa904
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  driver: ensure static archives are picked when linking static .wasm modules
  
  This commit ensures static archives are picked when linking .wasm
  modules which are supposed to be fully static, even when ghc may be
  invoked with -dynamic, see added comment for explanation.
  

• fc3a5591
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  compiler: fix dynamic_too_enable for targets that require dynamic libraries
  
  This commit fixes dynamic_too_enable for targets whose RTS linker can
  only load dynamic code.
  

• 94ef949e
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  compiler: fix checkNonStdWay for targets that require dynamic libraries
  
  This commit fixes checkNonStdWay to ensure that for targets whose RTS
  linker can only load dynamic code, the dynamic way of object is
  selected.
  

• 88e99248
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  ghc-bin: enforce dynamic way when the target requires so
  
  This commit makes ghc-bin use dynamic way when it is doing interactive
  stuff on certain targets whose RTS linker can only handle dynamic
  code.
  

• 549582ef
  by Cheng Shao at 2024-10-17T16:41:24+00:00

  hadrian/ghci: add wasm dyld
  
  This commit adds the wasm dynamic linker implementation, as well as
  ghci logic to call it and hadrian logic to install it to the correct
  location. See the top-level note in utils/jsffi/dyld.mjs for more
  details.
  

• b562e3a6
  by Cheng Shao at 2024-10-17T16:41:29+00:00

  driver: fix getGccSearchDirectory for wasm target
  
  This commit fixes getGccSearchDirectory logic for wasm target, ensures
  the correct search directory containing libc.so etc can be found by
  GHC. getGccSearchDirectory is also exported so it can be used
  elsewhere to obtain the wasi-sdk libdir and pass to the dyld script.
  

• 2d6107dc
  by Cheng Shao at 2024-10-17T16:41:29+00:00

  driver: add wasm backend iserv logic
  
  This commit adds wasm backend iserv logic to the driver, see added
  comments for explanation.
  

• 61f5baa5
  by Cheng Shao at 2024-10-17T16:41:29+00:00

  compiler: add PIC support to wasm backend NCG
  
  This commit adds support for generating PIC to the wasm backend NCG.
  

• 652e7239
  by Cheng Shao at 2024-10-17T16:41:29+00:00

  hadrian/compiler: flip on support for shared libs & ghci for wasm
  
  This commit flips on the support for shared libs and ghci for the wasm
  target, given all required support logic has been added in previous
  commits.
  

• 74a1f681
  by Cheng Shao at 2024-10-17T16:41:29+00:00

  testsuite: flip on support for shared libs, TH & ghci for wasm
  
  This commit flips on support for shared libs, TH & ghci for wasm in
  the testsuite, given support has been landed in previous commits.
  

• 525d451e
  by Cheng Shao at 2024-10-17T23:03:34-04:00

  Revert "compiler: start deprecating cmmToRawCmmHook"
  
  This reverts commit 1c064ef1f3e1aa2afc996e962ad53effa99ec5f4. Turns
  out the GHC-WPC project does use it to observe Cmm in the pipeline,
  see #25363.
  

• 5bcfefd5
  by Cheng Shao at 2024-10-17T23:04:09-04:00

  rts: fix pointer overflow undefined behavior in bytecode interpreter
  
  This patch fixes an unnoticed undefined behavior in the bytecode
  interpreter. It can be caught by building `rts/Interpreter.c` with
  `-fsanitize=pointer-overflow`, the warning message is something like:
  
  ```
  rts/Interpreter.c:1369:13: runtime error: addition of unsigned offset to 0x004200197660 overflowed to 0x004200197658
  SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rts/Interpreter.c:1369:13
  rts/Interpreter.c:1265:13: runtime error: addition of unsigned offset to 0x004200197660 overflowed to 0x004200197658
  SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rts/Interpreter.c:1265:13
  rts/Interpreter.c:1645:13: runtime error: addition of unsigned offset to 0x0042000b22f8 overflowed to 0x0042000b22f0
  SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rts/Interpreter.c:1645:13
  ```
  
  Whenever we do something like `SpW(-1)`, the negative argument is
  implicitly converted to an unsigned integer type and causes pointer
  arithmetic overflow. It happens to be harmless for most targets since
  overflowing would wrap the result to desired value, but it's still
  coincidental and undefined behavior. Furthermore, it causes real
  damage to the wasm backend, given clang-20 will emit invalid wasm code
  that crashes at run-time for this kind of C code! (see
  https://github.com/llvm/llvm-project/issues/108770)
  
  The fix here is adding some explicit casts to ensure we always use the
  signed `ptrdiff_t` type as right hand operand of pointer arithmetic.
  

• eb67875f
  by Matthew Craven at 2024-10-18T12:18:35+00:00

  Bump transformers submodule
  
  The svg image files mentioned in transformers.cabal were
  previously not checked in, which broke sdist generation.
  

• 366a1109
  by Matthew Craven at 2024-10-18T12:18:35+00:00

  Remove reference to non-existent file in haddock.cabal
  

• 826852e9
  by Matthew Craven at 2024-10-18T12:18:35+00:00

  Move tests T11462 and T11525 into tests/tcplugins
  

• dbe27152
  by Matthew Craven at 2024-10-18T12:18:35+00:00

  Repair the 'build-cabal' hadrian target
  
  Fixes #23117. Fixes #23281. Fixes #23490.
  
  This required:
   * Updating the bit-rotted compiler/Setup.hs and its setup-depends
   * Listing a few recently-added libraries and utilities
     in cabal.project-reinstall
   * Setting allow-boot-library-installs to 'True' since Cabal
     now considers the 'ghc' package itself a boot library for
     the purposes of this flag
  
  Additionally, the allow-newer block in cabal.project-reinstall
  was removed.  This block was probably added because when the
  libraries/Cabal submodule is too new relative to the cabal-install
  executable, solving the setup-depends for any package with a custom
  setup requires building an old Cabal (from Hackage) against the
  in-tree version of base, and this can fail un-necessarily due to
  tight version bounds on base.  However, the blind allow-newer can
  also cause the solver to go berserk and choose a stupid build plan
  that has no business succeeding, and the failures when this happens
  are dreadfully confusing. (See #23281 and #24363.)
  
  Why does setup-depends solving insist on an old version of Cabal? See:
    https://github.com/haskell/cabal/blob/0a0b33983b0f022b9697f7df3a69358ee9061a89/cabal-install/src/Distribution/Client/ProjectPlanning.hs#L1393-L1410
  
  The right solution here is probably to use the in-tree cabal-install
  from libraries/Cabal/cabal-install with the build-cabal target rather
  than whatever the environment happens to provide.  But this is left
  for future work.
  

• b3c00c62
  by Matthew Craven at 2024-10-18T12:18:35+00:00

  Revert "CI: Disable the test-cabal-reinstall job"
  
  This reverts commit 38c3afb64d3ffc42f12163c6f0f0d5c414aa8255.
  

• a04959b8
  by Daneel Yaitskov at 2024-10-19T09:34:15-04:00

  base: speed up traceEventIO and friends when eventlogging is turned off #17949
  
  Check the RTS flag before doing any work with the given lazy string.
  
  Fix #17949
  
  Co-authored-by: Michael Peyton Jones <me@michaelpj.com>
  Co-authored-by: Sylvain Henry <sylvain@haskus.fr>
  Co-authored-by: Matthew Pickering <matthewtpickering@gmail.com>
  

• eff16c22
  by Matthew Pickering at 2024-10-19T21:55:55-04:00

  ci: Add support for ONLY_JOBS variable to trigger any validation pipeline
  
  By setting the ONLY_JOBS variable to the name of the job (or multiple
  jobs), the resulting
  pipeline will include a validation job for that pipeline.
  
  For example - if you set ONLY_JOBS="x86_64-linux-ubuntu22_04-validate"
  then a ubuntu22_04 job will be included in the validation pipeline. This
  is useful for testing specific jobs.
  
  Fixes #25332
  

• 280b6278
  by Zubin Duggal at 2024-10-19T21:56:31-04:00

  rel-eng: ghcup metadata generation: generated yaml anchors with meaningful names
  
  (cherry picked from commit d83f5bd730a8aef37d8a38b3560590d9798f8e45)
  

• 25edf849
  by Alan Zimmerman at 2024-10-19T21:57:08-04:00

  EPA: Remove [AddEpAnn] Commit 4
  
  EPA: Remove [AddEpAnn] from DataDecl
  
  This is quite a big change.
  The most important part is moving the annotations into HsDataDefn,
  using a specific annotation data type.
  
  It has a knock-on to everything that uses HsDataDefn
  
  EPA: Remove [AddEpAnn] for FunDep
  
  EPA: Remove [AddEpann] from FamilyDecl
  
  EPA: Remove [AddEpAnn] From InjectivityAnn
  
  EPA: Remove [AddEpAnn] from DefaultDecl
  
  EPA: Remove [AddEpAnn] from RuleDecls
  
  EPA: Remove [AddEpAnn] from Warnings
  

• d5f42045
  by Luite Stegeman at 2024-10-20T16:34:47-04:00

  Interpreter: Add locking for communication with external interpreter
  
  This adds locking to communication with the external interpreter
  to prevent concurrent tasks interfering with each other. This
  fixes Template Haskell with the external interpreter in parallel (-j)
  builds.
  
  Fixes #25083
  

• d6bfea76
  by Matthew James Kraai at 2024-10-20T16:35:29-04:00

  Use monospace font for "Either a b" in fmap docs
  
  The documentation for fmap shows "`Either a b`" in the default font
  instead of showing "Either a b" in a monospace font.
  

• 4bc7f9c8
  by Luite Stegeman at 2024-10-20T16:36:15-04:00

  Parser: remove non-ASCII characters from Parser.y
  
  Non-ASCII characters in the source causes a problem with the default
  Haskell Language Server setup in VSCode. Two characters seems to have
  been left in by accident.
  
  Workaround for #25396
  

• 7f61ed4e
  by Alan Zimmerman at 2024-10-21T06:39:45-04:00

  EPA: Remove [AddEpAnn] Commit 5
  
  EPA: Remove [AddEpAnn] from AnnPragma
  
  EPA: Remove [AddEpAnn] From ForeignDecl
  
  EPA: Remove [AddEpAnn] from RoleAnnotDecl
  
  EPA: Remove [AddEpAnn] from StandaloneKindSig
  
  EPA: Remove [AddEpAnn] From HsDeriving
  
  EPA: Remove [AddEpAnn] from ConDeclField
  
  EPA: Remove [AddEpAnn] from ConDeclGADT
  
  EPA: Remove [AddEpAnn] from ConDeclH98
  
  EPA: Remove [AddEpAnn] from ClsInstDecl
  

• f8694fe7
  by Cheng Shao at 2024-10-21T06:40:21-04:00

  wasm: bump dyld v8 heap size limit
  
  This patch adds `--max-old-space-size=8192` to wasm dyld shebang
  arguments to bump V8 heap size limit. The default limit
  (`heap_size_limit` returned by `v8.getHeapStatistics()`) is
  dynamically determined and a bit too low under certain workloads, and
  V8 would waste too much CPU time to garbage collect old generation
  heap more aggressively. Bumping the limit to 8G doesn't imply dyld
  would really take that much memory at run-time, but it lessens V8 heap
  stress significantly.
  

• d328d173
  by Luite Stegeman at 2024-10-21T12:39:18+00:00

  Add requestTickyCounterSamples to GHC.Internal.Profiling
  
  This allows the user to request ticky counters to be written to
  the eventlog at specific times.
  
  See #24645
  

• 71765b1d
  by Simon Peyton Jones at 2024-10-21T20:55:00-04:00

  Move defaulting code into a new module
  
  GHC.Tc.Solver had reached 4,000 lines -- although quite a lot of them
  are comments.
  
  This MR
  
  * Adds the new module GHC.Tc.Solver.Default, which has all the
    complex, but well modularised, defaulting code
  
  * Moves a bit of code from GHC.Tc.Solver into the existing
    GHC.Tc.Solver.Solve. Notably solveWanteds and simplifyWantedsTcM,
    which are called from GHC.Tc.Solver.Default
  
  It's a pure refactor.  No code changes.
  

• a398227b
  by Simon Peyton Jones at 2024-10-21T20:55:00-04:00

  Improve the generalisation code in Solver.simplifyInfer
  
  The code in `decideQuantification` has become quite complicated.
  This MR straightens it out, adds a new Note, and on the way
  fixes #25266.
  
  See especially Note [decideAndPromoteTyVars] which is is where
  all the action happens in this MR.
  

• 148059fe
  by Andrzej Rybczak at 2024-10-21T20:55:40-04:00

  Adjust catches to properly rethrow exceptions
  
  https://gitlab.haskell.org/ghc/ghc/-/merge_requests/13302 implemented exception
  rethrowing proposal, but it didn't adjust `catches`. This fixes it.
  

• 25121dbc
  by doyougnu at 2024-10-22T09:38:18-04:00

  linker: add --optimistic-linking flag
  
  This patch adds:
  
  - the --optimistic-linking flag which binds unknown symbols in the
  runtime linker to 0xDEADBEEF instead of exiting with failure
  
  - The test T25240 which tests these flags using dead code in the FFI system.
  
  - closes #25240
  
  This patch is part of the upstreaming haskell.nix patches project.
  

• f19e076d
  by doyougnu at 2024-10-22T09:38:18-04:00

  ghc-internal: hide linkerOptimistic in MiscFlags
  

• edc02197
  by Cheng Shao at 2024-10-22T09:38:54-04:00

  hadrian: fix bindist executable wrapper logic for cross targets
  
  This commit fixes an oversight of hadrian wrapper generation logic:
  when doing cross compilation, `wrapper` is called on executable names
  with cross prefix, therefore we must use `isSuffixOf` when matching to
  take the cross prefix into account. Also add missing cross prefix to
  ghci wrapper content and fix hsc2hs wrapper logic.
  

• edf3bdf5
  by Andreas Klebinger at 2024-10-22T16:30:42-04:00

  mkTick: Push ticks through unsafeCoerce#.
  
  unsafeCoerce# doesn't exist at runtime so we should treat it like a Cast
  for the purpose of mkTick.
  
  This means if we have `{-# SCC foo #-} (unsafeCoerce# trivial_expr))` we
  now push the scope part of the cost centre up to `trivial_expr` at which
  point we can discard it completely if the expression is trivial enough.
  
  This fixes #25212.
  

• 1bdb1317
  by Cheng Shao at 2024-10-22T16:31:17-04:00

  hadrian: enable late-CCS for perf flavour as well
  
  This patch enables late-CCS for perf flavour so that the testsuite can
  pass for perf as well. Fixes #25308.
  

• fde12aba
  by Cheng Shao at 2024-10-22T16:31:54-04:00

  hadrian: make sure ghc-bin internal-interpreter is disabled for stage0 when not cross compiling
  
  This patch disables internal-interpreter flag for stage0 ghc-bin when
  not cross compiling, see added comment for explanation. Fixes #25406.
  

• 6ab8d751
  by ignatiusm at 2024-10-24T01:23:35-04:00

  Improve heap overflow exception message (#25198)
  
  Catch heap overflow exceptions and suggest using `+RTS -M<size>`.
  
  Fix #25198
  

• b3f7fb80
  by Rodrigo Mesquita at 2024-10-24T01:24:12-04:00

  determinism: Interface re-export list det
  
  In 'DocStructureItem' we want to make sure the 'Avails' are sorted, for
  interface file determinism. This commit introduces 'DetOrdAvails', a
  newtype that should only be constructed by sorting Avails with
  'sortAvails' unless the avails are known to be deterministically
  ordered. This newtype is used by 'DocStructureItem' where 'Avails' was
  previously used to ensure the list of avails is deterministically sorted
  by construction.
  
  Note: Even though we order the constructors and avails in the interface
  file, the order of constructors in the haddock output is still
  determined from the order of declaration in the source. This was also
  true before, when the list of constructors in the interface file <docs>
  section was non-deterministic. Some haddock tests such as
  "ConstructorArgs" observe this (check the order of constructors in
  out/ConstructorArgs.html vs src/ConstructorArgs.hs vs its interface file)
  
  The updated tests are caused by haddock corners where the order in the
  source is not preserved (and was non-deterministic before this PR):
      * Module header in the latex backend
      * Re-export of pattern synonyms associated to a datatype (#25342)
  
  Fixes #25304
  

• e39c8c99
  by Rodrigo Mesquita at 2024-10-24T01:24:12-04:00

  Revert "ci: Allow abi-test to fail."
  
  After #25304, the abi-test with interface and object determinism
  succeeds.
  
  This reverts commit 7b37afc9f3e79559055488998ee73187886a0e00.
  

• 7b1b0c6d
  by Alan Zimmerman at 2024-10-24T13:07:02-04:00

  EPA: reduce [AddEpann] in AnnList
  
  Remove it from the `al_rest` field, and make `AnnList` parameterized
  on a type to be used in `al_rest`, for the various use cases.
  

• 4a00731e
  by Rodrigo Mesquita at 2024-10-24T13:07:38-04:00

  Fix -fobject-determinism flag definition
  
  The flag should be defined as an fflag to make sure the
  -fno-object-determinism flag is also an available option.
  
  Fixes #25397
  

• 55e4b9f2
  by Sebastian Graf at 2024-10-25T07:01:54-04:00

  CorePrep: Attach evaldUnfolding to floats to detect more values
  
  See `Note [Pin evaluatedness on floats]`.
  

• 9f57c96d
  by Sebastian Graf at 2024-10-25T07:01:54-04:00

  Make DataCon workers strict in strict fields (#20749)
  
  This patch tweaks `exprIsConApp_maybe`, `exprIsHNF` and friends, and Demand
  Analysis so that they exploit and maintain strictness of DataCon workers. See
  `Note [Strict fields in Core]` for details.
  
  Very little needed to change, and it puts field seq insertion done by Tag
  Inference into a new perspective: That of *implementing* strict field semantics.
  Before Tag Inference, DataCon workers are strict. Afterwards they are
  effectively lazy and field seqs happen around use sites. History has shown
  that there is no other way to guarantee taggedness and thus the STG Strict Field
  Invariant.
  
  Knock-on changes:
  
    * I reworked the whole narrative around "Tag inference".
      It's now called "EPT enforcement" and I recycyled the different overview
      Notes into `Note [EPT enforcement]`.
  
    * `exprIsHNF` previously used `exprOkForSpeculation` on unlifted arguments
      instead of recursing into `exprIsHNF`. That regressed the termination
      analysis in CPR analysis (which simply calls out to `exprIsHNF`), so I made
      it call `exprOkForSpeculation`, too.
  
    * There's a small regression in Demand Analysis, visible in the changed test
      output of T16859: Previously, a field seq on a variable would give that
      variable a "used exactly once" demand, now it's "used at least once",
      because `dmdTransformDataConSig` accounts for future uses of the field
      that actually all go through the case binder (and hence won't re-enter the
      potential thunk). The difference should hardly be observable.
  
    * The Simplifier's fast path for data constructors only applies to lazy
      data constructors now. I observed regressions involving Data.Binary.Put's
      `Pair` data type.
  
    * Unfortunately, T21392 does no longer reproduce after this patch, so I marked
      it as "not broken" in order to track whether we regress again in the future.
  
  Fixes #20749, the satisfying conclusion of an annoying saga (cf. the ideas
  in #21497 and #22475).
  
  Compiler perf generally improves, sometimes drastically:
  
                                                       Baseline
                                   Test    Metric          value      New value Change
  --------------------------------------------------------------------------------
               ManyConstructors(normal) ghc/alloc  3,629,760,116  3,711,852,800  +2.3%  BAD
    MultiLayerModulesTH_OneShot(normal) ghc/alloc  2,502,735,440  2,565,282,888  +2.5%  BAD
                         T12707(normal) ghc/alloc    804,399,798    791,807,320  -1.6% GOOD
                         T17516(normal) ghc/alloc    964,987,744  1,008,383,520  +4.5%
                         T18140(normal) ghc/alloc     75,381,152     49,860,560 -33.9% GOOD
                        T18698b(normal) ghc/alloc    232,614,457    184,262,736 -20.8% GOOD
                         T18923(normal) ghc/alloc     62,002,368     58,301,408  -6.0% GOOD
                         T20049(normal) ghc/alloc     75,719,168     70,494,368  -6.9% GOOD
                          T3294(normal) ghc/alloc  1,237,925,833  1,157,638,992  -6.5% GOOD
                          T9233(normal) ghc/alloc    686,490,105    635,166,688  -7.5% GOOD
  
                              geo. mean                                          -0.7%
                              minimum                                           -33.9%
                              maximum                                            +4.5%
  
  I looked at T17516. It seems we do a few more simplifier iterations and end up
  with a larger program. It seems that some things inline more, while other things
  inline less. I don't see low-hanging fruit.
  
  I also looked at MultiLayerModulesTH_OneShot. It appears we generate a strange
  join point in the `getUnique` method of `Uniquable GHC.Unit.Types.Module` that
  should better call-site inline, but does not. Perhaps with !11492.
  
  NoFib does not seem affected much either:
  
  +-------------------------------++--+------------+-----------+---------------+-----------+
  |                               ||  |      base/ | std. err. | T20749/ (rel) | std. err. |
  +===============================++==+============+===========+===============+===========+
  |           spectral/last-piece ||  |    7.263e8 |      0.0% |        +0.62% |      0.0% |
  +===============================++==+============+===========+===============+===========+
  |                     geom mean ||  |     +0.00% |           |               |           |
  +-------------------------------++--+------------+-----------+---------------+-----------+
  
  I had a look at last-piece. Nothing changes in stg-final, but there is a bit
  of ... movement around Data.Map.insert's use of GHC.Exts.lazy that is gone in
  stg-final.
  
  Co-Authored-By: Jaro Reinders <jaro.reinders@gmail.com>
  
  Metric Decrease:
      T12707
      T18140
      T18698b
      T18923
      T19695
      T20049
      T3294
      T9233
      T21839c
  Metric Increase:
      ManyConstructors
      MultiLayerModulesTH_OneShot
  

• 0225249a
  by Simon Peyton Jones at 2024-10-25T07:02:32-04:00

  Some renaming
  
  This is a pure refactor, tidying up some inconsistent naming:
  
     isEqPred          -->  isEqClassPred
     isEqPrimPred      -->  isEqPred
     isReprEqPrimPred  -->  isReprEqPred
     mkPrimEqPred      -->  mkNomEqPred
     mkReprPrimEqPred  -->  mkReprEqPred
     mkPrimEqPredRold  -->  mkEqPredRole
  
  Plus I moved mkNomEqPred, mkReprEqPred, mkEqPredRolek
    from GHC.Core.Coercion to GHC.Core.Predicate
  where they belong.  That means that Coercion imports Predicate
  rather than vice versa -- better.
  

• 15a3456b
  by Ryan Hendrickson at 2024-10-25T07:02:32-04:00

  compiler: Fix deriving with method constraints
  
  See Note [Inferred contexts from method constraints]
  
  Co-authored-by: Simon Peyton Jones <simon.peytonjones@gmail.com>
  

• dbc77ce8
  by Alan Zimmerman at 2024-10-25T18:20:13+01:00

  EPA: Remove AddEpann commit 7
  
  EPA: Remove [AddEpAnn] from HYPHEN in Parser.y
  
  The return value is never used, as it is part of the backpack
  configuration parsing.
  
  EPA: Remove last [AddEpAnn] usages
  
  Remove residual usage in GHC. It is still used
  - In haddock TTG extension point definitions (to be removed)
  - Some check-exact residual, to be removed
  - Comments around DisambECP in PostProcess
  
  EPA: Clean up [AddEpAnn] from check-exact
  
  There is one left, to be cleaned up when we remove AddEpann itself
  
  EPA: Remove [AddEpAnn] from haddock
  
  The TTG extension points need a value, it is not critical what that
  value is, in most cases.
  
  EPA: Remove AddEpAnn from HsRuleAnn
  
  EPA: Remove AddEpAnn from HsCmdArrApp
  

• 23ddcc01
  by Simon Peyton Jones at 2024-10-26T12:44:34-04:00

  Fix optimisation of InstCo
  
  It turned out (#25387) that the fix to #15725 was not quite right:
  
    commit 48efbc04bd45d806c52376641e1a7ed7278d1ec7
    Date:   Mon Oct 15 10:25:02 2018 +0200
  
      Fix #15725 with an extra Sym
  
  Optimising InstCo is quite subtle, and the invariants surrounding
  the LiftingContext in the coercion optimiser were not stated explicitly.
  
  This patch refactors the InstCo optimisation, and documents these
  invariants.  See
    * Note [Optimising InstCo]
    * Note [The LiftingContext in optCoercion]
  
  I also did some refactoring of course:
  
  * Instead of a Bool swap-flag, I am not using GHC.Types.Basic.SwapFlag
  
  * I added some invariant-checking the coercion-construction functions
    in GHC.Core.Coercion.Opt.  (Sadly these invariants don't hold during
    typechecking, becuase the types are un-zonked, so I can't put these
    checks in GHC.Core.Coercion.)
  

• 589fea7f
  by Cheng Shao at 2024-10-27T05:36:38-04:00

  ghcid: use multi repl for ghcid
  

• d52a0475
  by Andrew Lelechenko at 2024-10-27T05:37:13-04:00

  documentation: add motivating section to Control.Monad.Fix
  

• 301c3b54
  by Cheng Shao at 2024-10-27T05:37:49-04:00

  wasm: fix safari console error message related to import("node:timers")
  
  This patch fixes the wasm backend JSFFI prelude script to avoid
  calling `import("node:timers")` on non-deno hosts. Safari doesn't like
  it and would print an error message to the console. Fixes
  https://gitlab.haskell.org/ghc/ghc-wasm-meta/-/issues/13.
  

• 9f02dfb5
  by Simon Peyton Jones at 2024-10-27T15:10:08-04:00

  Add a missing tidy in UnivCo
  
  We were failing to tidy the argument coercions of a UnivCo, which
  led directly to #25391.
  
  The fix is, happily, trivial.
  
  I don't have a small repro case (it came up when building horde-ad,
  which uses typechecker plugins).  It should be possible to make a
  repro case, by using a plugin (which builds a UnivCo) but I decided
  it was not worth the bother. The bug is egregious and easily fixed.
  

• 853050c3
  by Andrew Lelechenko at 2024-10-27T15:10:44-04:00

  Bump text submodule to 2.1.2
  

• 90746a59
  by Andrew Lelechenko at 2024-10-27T15:10:44-04:00

  hadrian: allow -Wunused-imports for text package
  

• 8a6691c3
  by Alan Zimmerman at 2024-10-27T19:44:48+00:00

  EPA: Remove AddEpAnn Commit 8/final
  
  EPA: Remove AddEpAnn from AnnList
  
  EPA: Remove AddEpAnn from GrhsAnn
  
  This is the last actual use
  
  EPA: Remove NameAdornment from NameAnn
  
  Also rework AnnContext to use EpToken, and AnnParen
  
  EPA: Remove AddEpAnn.  Final removal
  
  There are now none left, except for in a large note/comment in
  PostProcess, describing the historical transition to the
  disambiguation infrastructure
  

• d5e7990c
  by Alan Zimmerman at 2024-10-28T21:41:05+00:00

  EPA: Remove AnnKeywordId.
  
  This was used as part of AddEpAnn, and is no longer needed.
  
  Also remove all the haddock comments about which of are attached to
  the various parts of the AST.  This is now clearly captured in the
  appropriate TTG extension points, and the `ExactPrint.hs` file.
  

• e08b8370
  by Serge S. Gulin at 2024-10-29T23:17:01-04:00

  JS: Re-add optimization for literal strings in genApp (fixes #23479)
  
  Based on https://gitlab.haskell.org/ghc/ghc/-/merge_requests/10588/
  
  Co-authored-by: Sylvain Henry <sylvain@haskus.fr>
  Co-authored-by: Andrei Borzenkov <root@sandwitch.dev>
  Co-authored-by: Danil Berestov <goosedb@yandex.ru>
  
  -------------------------
  Metric Decrease:
      T25046_perf_size_gzip
      size_hello_artifact
      size_hello_artifact_gzip
      size_hello_unicode
      size_hello_unicode_gzip
  -------------------------
  

• e3496ef6
  by Cheng Shao at 2024-10-29T23:17:37-04:00

  compiler: remove unused hscDecls/hscDeclsWithLocation
  
  This patch removes unused `hscDecls`/`hscDeclsWithLocation` functions
  from the compiler, to reduce maintenance burden when doing
  refactorings related to ghci.
  

• b1eed26f
  by Cheng Shao at 2024-10-29T23:18:13-04:00

  testsuite: add T25414 test case marked as broken
  
  This commit adds T25414 test case to demonstrate #25414. It is marked
  as broken and will be fixed by the next commit.
  

• e70009bc
  by Cheng Shao at 2024-10-29T23:18:13-04:00

  driver: fix foreign stub handling logic in hscParsedDecls
  
  This patch fixes foreign stub handling logic in `hscParsedDecls`.
  Previously foreign stubs were simply ignored here, so any feature that
  involve foreign stubs would not work in ghci (e.g. CApiFFI). The patch
  reuses `generateByteCode` logic and eliminates a large chunk of
  duplicate logic that implements Core to bytecode generation pipeline
  here. Fixes #25414.
  

• 1d7cd7fe
  by Andreas Klebinger at 2024-10-30T19:14:28-04:00

  Add since tag for -fwrite-if-compression in user guide.
  
  Partial fix for #25395
  

• b349fd1b
  by Alan Zimmerman at 2024-10-30T19:15:04-04:00

  EPA: Remove some unused functions
  

• f859d61c
  by Alan Zimmerman at 2024-10-30T19:15:04-04:00

  EPA: use explicit vertical bar token for ExplicitSum / SumPat
  

• 721ac00d
  by Ben Gamari at 2024-10-31T08:37:38-04:00

  rts/Disassembler: Fix encoding of BRK_FUN instruction
  
  The offset of the CC field was not updated after the encoding change in
  b85b11994e0130ff2401dd4bbdf52330e0bcf776. Fix this.
  
  Fixes #25374.
  

• 0bc94360
  by Alan Zimmerman at 2024-10-31T08:38:15-04:00

  EPA: Bring in last EpToken usages
  
  For import declarations, NameAnnCommas and NPlusKPat.
  
  And remove anchor, it is the same as epaLocationRealSrcSpan.
  

• 0b11cdc0
  by sheaf at 2024-10-31T08:38:55-04:00

  Assert that ctEvCoercion is called on an equality
  
  Calling 'ctEvCoercion' on non-equality constraints is always incorrect.
  We add an assertion to this function to detect such cases; for example
  a type-checking plugin might erroneously do this.
  

• ea458779
  by doyougnu at 2024-11-01T18:11:33-04:00

  ghc-internal: strict, unboxed src loc ranges
  
  - closes: #20449
  - See CLC proposal: #55
  

• 778ac793
  by Kazuki Okamoto at 2024-11-01T18:12:13-04:00

  No haddock markup in doctest line
  

• cf0deeaf
  by Andreas Klebinger at 2024-11-02T17:54:52-04:00

  Reword -fexpose-overloaded-unfoldings docs.
  
  This should make them slightly clearer. Fixes #24844
  
  Co-authored-by: Sylvain Henry <sylvain@haskus.fr>
  

• 1c21e7d4
  by Andreas Klebinger at 2024-11-02T17:55:29-04:00

  Compile T25062 simd tests even if we can't run them.
  
  Helps avoid them being utterly broken.
  
  Fixes #25341
  

• 573cad4b
  by Cheng Shao at 2024-11-02T17:56:04-04:00

  Remove unused USE_REPORT_PRELUDE code paths from the tree
  
  This patch removes unused `USE_REPORT_PRELUDE` code paths from the
  tree. They have been present since the first git revision
  4fb94ae5e5d632748fa2e6c35e259eccc5a1a3f4, and might have been useful
  for debugging purposes many years ago, but these code paths are never
  actually built. Removing these ease maintenance of relevant modules in
  the future, and also allows us to get rid of `CPP` extension in those
  modules as a nice byproduct.
  

• 97f600c6
  by Hassan Al-Awwadi at 2024-11-04T15:52:12+00:00

  Refactored BooleanFormula to be in line with TTG (#21592)
  
  There are two parts to this commit.
  * We moved the definition of BooleanFormula over to L.H.S.BooleanFormula
  * We parameterized the BooleanFormula over the pass
  
  The GHC specific details of BooleanFormula remain in Ghc.Data.BooleanFormula.
  Because its parameterized over the pass its no longer a functor or
  traversable, but we defined bfMap and bfTraverse for the cases where we
  needed fmap and traverse originally. Most other changes are just churn.
  
  -------------------------
  Metric Decrease:
      MultiLayerModulesTH_OneShot
  -------------------------
  

• d4fd3580
  by Andreas Klebinger at 2024-11-05T07:36:16-05:00

  ghc-heap: Fix incomplete selector warnings.
  
  Use utility functions instead of selectors to read partial attributes.
  
  Part of fixing #25380.
  

• fdd9f62a
  by Peter Trommler at 2024-11-05T07:36:51-05:00

  PPC NCG: Implement fmin and fmax
  

• 8e217256
  by Mike Pilgrem at 2024-11-07T04:34:20-05:00

  Re CLC #293 - Don't specify Data.List.NonEmpty in terms of partial
  
  See https://github.com/haskell/core-libraries-committee/issues/293
  
  `List.init` had already been driven out of `tails1` by 21fc180bec93d964a7f4ffdf2429ef6f74b49ab6 but this specification also avoided partial `fromList`, so I preferred it.
  
  The `changelog.md` for `base` is updated, with an entry added under `base-4.22.0.0`.
  

• 346e4cd1
  by Zubin Duggal at 2024-11-07T04:34:57-05:00

  release: copy zip files into the correct directory
  
  Fixes #25446
  

• bbdbe225
  by Zubin Duggal at 2024-11-07T04:34:57-05:00

  release: Sign .gz bindists too
  
  Fixes #25447
  

• 0c722e14
  by Hécate Kleidukos at 2024-11-07T04:35:37-05:00

  hadrian: Enforce the usage of GHC >=9.8.1 for ghci-multi
  
  GHC 9.6 no good when it comes to multi-repl stuff, despite being well
  within the range of n-2 releases for bootstrapping, when the script was
  adapted to load haddock, in !12851
  

• d8f8a1c3
  by Sylvain Henry at 2024-11-07T19:27:46-05:00

  Handle the special ghc-prim:GHC.Prim module in the compiler
  
  Before this patch, some custom hacks were necessary in ghc-prim's
  Setup.hs to register the GHC.Prim (virtual) module and in Hadrian to
  generate haddocks properly.
  
  In this patch we special-case this module in the compiler itself instead
  (which it already is, see ghcPrimIface in GHC.Iface.Load). From
  Cabal/Hadrian's perspective GHC.Prim is now just a normal autogenerated
  module.
  
  This simplification is worthwhile on its own. It was found while looking
  into the work needed for #24453 which aims to merge ghc-prim,
  ghc-bignum, and ghc-internal. It's also one step closer to remove
  ghc-prim's custom setup.
  

• a55adc8e
  by Cheng Shao at 2024-11-07T19:28:22-05:00

  Clean up obsolete CPP guarded code paths from the tree
  
  This patch cleans up obsolete CPP guarded code paths from the tree.
  The minimum supported boot GHC version is 9.6, and all the pre-9.6 era
  code paths can be removed.
  

• 9ede97f3
  by Cheng Shao at 2024-11-07T19:28:58-05:00

  Remove obsolete executable wrappers from the tree
  
  The executable wrappers are handled by hadrian and bindist Makefile.
  The various .wrapper scripts in the tree are unused since removal of
  Make build system, so this patch removes them all.
  

• 7d42b2df
  by tristian at 2024-11-07T19:29:40-05:00

  TcRnDuplicateDecls now suggests to use the DuplicateRecordFields extension.
  
  Fixes: !24627
  

• e56ed179
  by Zubin Duggal at 2024-11-11T15:16:35+05:30

  testsuite: normalise some versions in callstacks
  
  (cherry picked from commit f230e29f30d0c1c566d4dd251807fcab76a2710e)
  

• a28fc903
  by Zubin Duggal at 2024-11-11T15:16:35+05:30

  testsuite: use -fhide-source-paths to normalise some backpack tests
  
  (cherry picked from commit b19de476bc5ce5c7792e8af1354b94a4286a1a13)
  

• ed16d303
  by Zubin Duggal at 2024-11-11T15:16:36+05:30

  testsuite/haddock: strip version identifiers and unit hashes from html tests
  
  (cherry picked from commit fbf0889eadc410d43dd5c1657e320634b6738fa5)
  

• e45e5836
  by Zubin Duggal at 2024-11-11T15:16:36+05:30

  haddock: oneshot tests can drop files if they share modtimes. Stop this by
  including the filename in the key.
  
  Ideally we would use `ghc -M` output to do a proper toposort
  
  Partially addresses #25372
  
  (cherry picked from commit e78c7ef96e395f1ef41f04790aebecd0409b92b9)
  

• 9104e6eb
  by Zubin Duggal at 2024-11-11T15:16:36+05:30

  testsuite: fix normalisation of T9930fail so that it doesn't get tripped up by ghc executable (ARGV[0]) differences
  
  (cherry picked from commit a79a587e025d42d34bb30e115fc5c7cab6c1e030)
  

• 2c31264a
  by Zubin Duggal at 2024-11-11T15:16:36+05:30

  testsuite: normalise windows file seperators
  
  (cherry picked from commit f858875e03b9609656b542aaaaff85ad0a83878a)
  

• 2807f91b
  by Zubin Duggal at 2024-11-11T15:21:30+05:30

  testsuite: Also match <VERSION> placeholders when normalising callsites
  

• c02add17
  by Ben Gamari at 2024-11-12T01:22:11-05:00

  configure: Check version number validity
  
  Here we verify the previously informal invariant that stable release
  version numbers must have three components, preventing costly failed
  releases.
  
  Specifically, the check fails in the following scenarios:
  
   * `version=9.13` while `RELEASE=YES` since this would imply a
     release made from an unstable branch
   * `version=9.13.0` since unstable versions should only have two
     components
   * `version=9.12` since this has the wrong number of version components
     for a stable branch
  
  Fixes #25390.
  

• 747fd322
  by Teo Camarasu at 2024-11-12T01:22:49-05:00

  docs: link to #14474 in the template-haskell docs
  

• 6d96bb62
  by Zubin Duggal at 2024-11-12T01:23:25-05:00

  testsuite: normalise execvp vs exec differences in process tests
  
  Fixes #25431
  

• 502e6711
  by Torsten Schmits at 2024-11-12T01:24:01-05:00

  fix test lint that accumulated while the checks were broken
  
  I didn't fix the issues flagged by the #ifdef linter because it were so
  many that it seemed like the rule has become obsolete.
  

• 223a4cb5
  by Torsten Schmits at 2024-11-12T01:24:02-05:00

  test driver: fix file collection for regex linters
  
  When a testsuite linter is executed with the `tracked` strategy, the
  driver runs `git ls-tree` to collect eligible files.
  
  This appears to have ceased producing any paths – `ls-tree` restricts
  its results to the current working directory, which is
  `testsuite/tests/linters` in this case.
  
  As a quick fix, this patch changes the working directory to match
  expectations.
  

• 9ad9ac63
  by Alan Zimmerman at 2024-11-12T01:24:39-05:00

  EPA: Capture location of '_' for wild card type binder
  
  And keep track of promotion status in HsExplicitTupleTy, so the
  round-trip ppr test works for it.
  
  Updates Haddock output too, using the PromotionFlag in
  HsExplicitTupleTy.
  
  Closes #25454
  

• c37b96fa
  by Cheng Shao at 2024-11-12T01:25:15-05:00

  wasm: fix setImmediate() implementation for Cloudflare Workers
  
  This patch fixes setImmediate() implementation for Cloudflare Workers
  in the wasm backend's js prelude script. Cloudflare Workers doesn't
  support the MessageChannel API, and we use a setTimeout() based
  fallback implementation in this case.
  

• bea8ea4c
  by Cheng Shao at 2024-11-12T01:25:15-05:00

  wasm: fix FinalizationRegistry logic for Cloudflare Workers
  
  This patch fixes FinalizationRegistry related logic for Cloudflare
  Workers in wasm backend js post linker. Cloudflare Workers doesn't
  support FinalizationRegistry, in this case we use a dummy
  implementation that doesn't do anything.
  

• 00d551bf
  by Cheng Shao at 2024-11-13T08:48:21-05:00

  Remove obsolete cross-port script
  
  This patch removes the obsolete cross-port script in the tree. The
  script was based on the legacy Make build system which has been pruned
  from the tree long ago. For hadrian, proper support for two-stage
  bootstrapping onto a new unsupported platform is a work in progress in
  !11444.
  

• 75a2eae4
  by Cheng Shao at 2024-11-13T08:48:58-05:00

  hadrian: fix bindist makefile for wasm32-wasi target
  
  This patch fixes one incoherent place between bindist makefile and
  hadrian logic: I forgot to include wasi/wasm32 in
  OsSupportsGHCi/ArchSupportsGHCi as well. And this results in incorrect
  settings file generated after installing the bindist, and "Use
  interpreter"/"Have interpreter" fields incorrectly have "NO" values
  where they should be "YES" like --info output of in-tree version.
  

• 0614abef
  by Alan Zimmerman at 2024-11-13T08:49:34-05:00

  EPA: Correctly capture leading semis in decl list
  
  Closes #25467
  

• 00d58ae1
  by Sebastian Graf at 2024-11-13T15:21:23-05:00

  DmdAnal: Make `prompt#` lazy (#25439)
  
  This applies the same treatment to `prompt#` as for `catch#`.
  See `Note [Strictness for mask/unmask/catch/prompt]`.
  
  Fixes #25439.
  

• 93233a66
  by Ben Gamari at 2024-11-13T15:21:59-05:00

  boot: Do not attempt to update config.sub
  
  While Apple ARM hardware was new we found that the autoconf scripts
  included in some boot packages were too old. As a mitigation for this,
  we introduced logic in the `boot` script to update the `config.sub`
  with that from the GHC tree. However, this causes submodules which
  have `config.sub` committted to appear to be dirty. This is a
  considerable headache.
  
  Now since `config.sub` with full platform support is more common we can
  remove `boot`'s `config.sub` logic.
  
  Fixes #19574.
  

• fa66fa64
  by Ryan Scott at 2024-11-14T19:05:00-05:00

  Add regression test for #16234
  
  Issue #16234 was likely fixed by !9765. This adds a regression test to ensure
  that it remains fixed.
  
  Fixes #16234.
  

• bfe64df8
  by Matthew Pickering at 2024-11-14T19:05:36-05:00

  ghc-internal: Update to Unicode 16
  
  This patch updates the automatically generated code for querying unicode
  properties to unicode 16.
  
  Fixes #25402
  

• 1fd83f86
  by Ben Gamari at 2024-11-14T19:06:13-05:00

  configure: Accept happy-2.1.2
  
  happy-2.1 was released in late Oct 2024. I have confirmed that master
  bootstraps with it. Here we teach configure to accept this tool.
  
  Fixes #25438.
  

• aa58fc5b
  by Ben Gamari at 2024-11-14T19:06:49-05:00

  rts: Tighten up invariants of PACK
  

• 8aa4c10a
  by Ben Gamari at 2024-11-14T19:06:49-05:00

  testsuite: Fix badly escaped literals
  
  Use raw string literals to ensure that `\s` is correctly interpreted as
  a character class.
  

• 0e084029
  by Ben Gamari at 2024-11-14T19:06:49-05:00

  rts: Improve documentation of SLIDE bytecode instruction
  

• 9bf3663b
  by Ben Gamari at 2024-11-14T19:06:49-05:00

  rts/Interpreter: Assert that TEST*_P discriminators are valid
  

• 1f668511
  by Ben Gamari at 2024-11-14T19:06:49-05:00

  rts/Interpreter: Improve documentation of TEST*_P instructions
  

• 59e0a770
  by Cheng Shao at 2024-11-14T19:07:25-05:00

  misc: improve clangd compile_flags.txt flags
  
  This patch improves the compile_flags.txt config used to power clangd
  for the rts C codebase. The flags in the file are sampled & deduped
  from a real stage1 build with clang-19 and vastly improves the IDE
  accuracy when hacking the rts.
  
  For maximum code coverage under the default settings,
  compile_flags.txt defaults to threaded+profiled+dynamic+debug way.
  This does not mean profdyn needs to be actually built in _build/stage1
  for IDE to work. To activate IDE for other RTS ways, simply remove one
  of the -D flags at the end of compile_flags.txt and restart clangd.
  

• c2c562e0
  by Ben Gamari at 2024-11-14T19:08:01-05:00

  testsuite: Don't consider untracked files in dirtiness check
  
  Considering trees containing untracked files as dirty is a bridge too
  far. The chance of an untracked file significantly affecting measured
  performanced metrics is quite small whereas not collecting measurements
  is quite inconvenient for some workflows. We now ignore untracked files
  in the dirtiness check.
  
  Fixes #25471.
  

• ed2ed6c5
  by Cheng Shao at 2024-11-14T19:08:37-05:00

  testsuite: add regression test T25473
  
  This commit adds regression test T25473 marked as broken due to #25473.
  It will be fixed in the subsequent commit.
  

• bd0a8b7e
  by Cheng Shao at 2024-11-14T19:08:37-05:00

  wasm: fix foreign import javascript "wrapper" in TH/ghci
  
  This patch fixes foreign import javascript "wrapper" in wasm backend's
  TH/ghci by fixing the handling of dyld/finalization_registry magic
  variables. Fixes T25473 and closes #25473.
  

• f1b0bc32
  by Ben Gamari at 2024-11-14T19:09:13-05:00

  rts/linker: Make FreeBSD declarations proper prototypes
  
  The iconv declarations for FreeBSD were previously not prototypes,
  leading to warnings.
  

• 086cbbc1
  by Ben Gamari at 2024-11-14T19:09:13-05:00

  base: Drop redundant import in FreeBSD ExecutablePath implementation
  

• 79ecd199
  by Ben Gamari at 2024-11-14T19:09:13-05:00

  compiler: Fix partial selector warnings in GHC.Runtime.Heap.Inspect
  

• 1acb73bf
  by Andrew Lelechenko at 2024-11-15T06:10:47-05:00

  gitlab: mention CLC in MR template
  

• 8f2e0832
  by Ben Gamari at 2024-11-15T06:11:24-05:00

  rts: Allow use of GNU-stack notes on FreeBSD
  
  Previously we gated use of GNU-style non-executable stack notes to only
  apply on Linux. However, these are also supported by FreeBSD, which also
  uses ELF. Fix this.
  
  Fixes #25475.
  

• 2c427cb0
  by Ben Gamari at 2024-11-16T05:27:40-05:00

  rts: Fix EINTR check in timerfd ticker
  
  When `poll` failed we previously checked that `errno == -EINTR` to
  silence the failure warning. However, this is wrong as `errno` values
  are generally not negated error codes (in contrast to many system call
  results, which is likely what the original author had in mind).
  
  Fixes #25477.
  

• a0fa4941
  by Ben Gamari at 2024-11-16T05:28:16-05:00

  rts: Increase gen_workspace alignment to 128 bytes on AArch64
  
  Increase to match the 128-byte cache-line size of Apple's ARMv8
  implementation.
  
  Closes #25459.
  

• 142d8afa
  by Ben Gamari at 2024-11-16T16:20:47-05:00

  rts/RtsFlags: Refactor size parsing
  
  This makes a number of improvements mentioned in #20201:
  
   * fail if the argument cannot be parsed as a number (`-Mturtles`)
   * fail if an unrecognized unit is given (e.g. `-M1x`)
  

• b7a146e5
  by Ben Gamari at 2024-11-16T16:20:47-05:00

  testsuite: Add tests for RTS flag parsing error handling
  
  See #20201.
  

• ddb7afa6
  by Ben Gamari at 2024-11-16T16:21:23-05:00

  users guide: Mention language extensions in equality constraints discussion
  
  As suggested in #24127, mention the language extensions necessary for
  usage of equality constriants in their documentation.
  
  Closes #24127.
  

• 36133dac
  by Ben Gamari at 2024-11-16T16:21:23-05:00

  users-guide/9.14.1-notes: Fix list syntax
  

• 888de658
  by Ben Gamari at 2024-11-16T16:21:23-05:00

  users-guide/debug-info: Fix duplicate flag descriptions
  

• f120e427
  by Ben Gamari at 2024-11-16T16:21:23-05:00

  users-guide: Fix reference to 9.14.1 release notes
  

• 8e975032
  by Ben Gamari at 2024-11-16T16:21:59-05:00

  Introduce GHC.Tc.Plugin.lookupTHName
  
  This makes it significantly more convenient (and less
  GHC-version-dependent) to resolve a template-haskell name into a GHC
  Name.
  
  As proposed in #24741.
  

• a0e168ec
  by ARATA Mizuki at 2024-11-16T16:22:40-05:00

  x86 NCG SIMD: Lower packFloatX4#, insertFloatX4# and broadcastFloatX4# to SSE1 instructions
  
  Fixes #25441
  
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  

• 3936bf1b
  by sheaf at 2024-11-16T16:23:22-05:00

  X86 NCG: allow VXOR at scalar floating-point types
  
  The NCG can emit VXOR instructions at scalar floating-point types,
  but the pretty-printer would panic instead of emitting the appropriate
  VXORPS/VXORPD instructions. This patch rectifies that oversight.
  
  Fixes #25455
  

• d9dff93a
  by Ben Gamari at 2024-11-16T16:23:58-05:00

  rts: Fix platform-dependent pointer casts
  
  Previously we had unnecessary (and incorrect) platform-dependent casts
  to turn `OSThreadIds`s into a integer. We now just uniformly cast first
  to a `uintptr_t` (which is always safe, regardless of whether
  `OSThreadId` is a pointer), and then cast to the desired integral type.
  
  This fixes a warning on musl platforms.
  

• 6d95cdb8
  by Ben Gamari at 2024-11-16T16:24:34-05:00

  testsuite: Mark encoding004 as broken on FreeBSD
  
  Due to #22003, CP936 fails to roundtrip:
  ```diff
   == CP936
  +Failed to roundtrip given mutant byte at index 891 (251 /= 123 at index 891)
  +Failed to roundtrip given mutant byte at index 1605 (197 /= 69 at index 1605)
  +Failed to roundtrip given mutant byte at index 2411 (235 /= 107 at index 2411)
  +Failed to roundtrip given mutant byte at index 6480 (208 /= 80 at index 6480)
  +Failed to roundtrip given mutant byte at index 6482 (210 /= 82 at index 6482)
  +Failed to roundtrip given mutant byte at index 6484 (212 /= 84 at index 6484)
  +Failed to roundtrip given mutant byte at index 6496 (224 /= 96 at index 6496)
  +Failed to roundtrip given mutant byte at index 7243 (203 /= 75 at index 7243)
  +Failed to roundtrip given mutant byte at index 7277 (237 /= 109 at index 7277)
  +Failed to roundtrip given mutant byte at index 8027 (219 /= 91 at index 8027)
  +Failed to roundtrip given mutant byte at index 8801 (225 /= 97 at index 8801)
  ```
  

• 26e86984
  by Ben Gamari at 2024-11-18T04:05:31-05:00

  hadrian: Allow haddock options to be passed via key-value settings
  

• 6e68b117
  by Matthew Pickering at 2024-11-18T04:06:07-05:00

  Exception rethrowing
  
  Basic changes:
  
  * Change `catch` function to propagate exceptions using the
    WhileHandling mechanism.
  * Introduce `catchNoPropagate`, which does the same as before, but
    passes an exception which can be rethrown.
  * Introduce `rethrowIO` combinator, which rethrows an exception with a
    context and doesn't add a new backtrace.
  * Introduce `tryWithContext` for a variant of `try` which can rethrow
    the exception with it's original context.
  * onException is modified to rethrow the original error rather than
    creating a new callstack.
  * Functions which rethrow in GHC.Internal.IO.Handle.FD,
    GHC.Internal.IO.Handle.Internals, GHC.Internal.IO.Handle.Text, and
    GHC.Internal.System.IO.Error are modified to not add a new callstack.
  
  Implements CLC proposal#202 <https://github.com/haskell/core-libraries-committee/issues/202>
  

• a4e0d235
  by Rodrigo Mesquita at 2024-11-18T04:06:07-05:00

  exceptions: Improve the message layout as per #285
  
  This commit fixes the layout of the additional information included when
  displaying an exception, namely the type of the exception.
  
  It also fixes the default handler's heading message to work well
  together with the improved display message of SomeException.
  
  CLC proposal#285
  

• 284ffab3
  by Rodrigo Mesquita at 2024-11-18T04:06:07-05:00

  Display type and callstack of exception on handler
  
  This commit changes the Exception instance of SomeException to *simply*
  display the underlying exception in `displayException`. The augmented
  exception message that included the type and backtrace of the exception
  are now only printed on a call to `displayExceptionWithInfo`.
  
  At a surface level, existing programs should behave the same since the
  `uncaughtExceptionHandler`, which is responsible for printing out uncaught
  exceptions to the user, will use `displayExceptionWithInfo` by default.
  
  However, unlike the instance's `displayException` method, the
  `uncaughtExceptionHandler` can be overriden with
  `setUncaughtExceptionHandler`. This makes the extra information opt-in
  without fixing it the instance, which can be valuable if your program
  wants to display uncaught exceptions to users in a user-facing way
  (ie without backtraces).
  
  This is what was originally agreed for CLC#231 or CLC#261 with regard to
  the type of the exception information.
  
  The call stack also becoming part of the default handler rather than the
  Exception instance is an ammendment to CLC#164.
  
  Discussion of the ammendment is part of CLC#285.
  

• 36cddd2c
  by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00

  Remove redundant CallStack from exceptions
  
  Before the exception backtraces proposal was implemented, ErrorCall
  accumulated its own callstack via HasCallStack constraints, but
  ExceptionContext is now accumulated automatically.
  
  The original ErrorCall mechanism is now redundant and we get a duplicate
  CallStack
  
  Updates Cabal submodule to fix their usage of ErrorCallWithLocation to ErrorCall
  
  CLC proposal#285
  
  Fixes #25283
  

• 7a74330b
  by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00

  Freeze call stack in error throwing functions
  
  CLC proposal#285
  

• 3abf31a4
  by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00

  De-duplicate displayContext and displayExceptionContext
  
  The former was unused except for one module where it was essentially
  re-defining displayExceptionContext.
  
  Moreover, this commit extends the fix from
  bfe600f5bb3ecd2c8fa71c536c63d3c46984e3f8 to displayExceptionContext too,
  which was missing.
  

• c0d783f8
  by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00

  Re-export NoBacktrace from Control.Exception
  
  This was originally proposed and accepted in section
      "2.7   Capturing Backtraces on Exceptions"
  of the CLC proposal for exception backtraces.
  
  However, the implementation missed this re-export, which this commit now
  fixes.
  

• 802b5c3e
  by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00

  Fix exception backtraces from GHCi
  
  When running the program with `runhaskell`/`runghc` the backtrace should
  match the backtrace one would get by compiling and running the program.
  But currently, an exception thrown in a program interpreted with
  `runhaskell` will:
  
      * Not include the original exception backtrace at all
      * Include the backtrace from the internal GHCi/ghc rethrowing of the
        original exception
  
  This commit fixes this divergence by not annotating the ghc(i) backtrace
  (with NoBacktrace) and making sure that the backtrace of the original
  exception is serialized across the boundary and rethrown with the
  appropriate context.
  
  Fixes #25116
  
  The !13301 MR (not this commit in particular) improves performance of
  MultiLayerModules. Unfortunately, T3294 regresses on aarch64-linux-deb12
  by 1% allocations. Since this patch must be merged for 9.12 ASAP, we
  will not be able to investigate the slight regression on this platform
  in time.
  
  -------------------------
  Metric Decrease:
      MultiLayerModulesRecomp
      MultiLayerModulesTH_OneShot
  Metric Increase:
      T3294
  -------------------------
  

• 3e89eb65
  by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00

  base: Add to changelog.md CLC #285
  

• d9326a48
  by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00

  Bump array and stm submodules for testsuite
  
  The testsuites of array and stm had to be updated according to !13301.
  
  Updates submodule array and stm.
  

• 325fcb5d
  by Ben Gamari at 2024-11-18T04:06:45-05:00

  rts/adjustor: Clean up code style of Nativei386 adjustor
  

• 39bb6e58
  by Ben Gamari at 2024-11-18T04:06:45-05:00

  rts/adjustor: Fix stack overrun error in Nativei386 adjustor
  
  We were reserving the wrong kind of adjustor context (the generic
  `AdjustorContext` used by other adjustor implementations, rather than
  the i386-specific `CCallContext`) to return the adjustor context while
  freeing, resulting in #25485.
  
  Fixes #25485.
  

• 831aab22
  by sheaf at 2024-11-18T21:22:36-05:00

  Include diagnostic reason in -fdiagnostics-as-json
  
  This commit ensures that the -fdiagnostics-as-json output includes the
  diagnostic reason. This allows the full error message produced by GHC
  to be re-constructed from the JSON output.
  
  Fixes #25403
  

• 3e5bfdd3
  by Ben Gamari at 2024-11-18T21:23:12-05:00

  rts: Introduce printIPE
  
  This is a convenience utility for use in GDB.
  

• 44d909a3
  by Sjoerd Visscher at 2024-11-19T14:38:24-05:00

  Don't store boot locations in finder cache
  
  Partially reverts commit fff55592a7b
  
  Amends add(Home)ModuleToFinder so that locations for boot files are not stored in the finder cache.
  
  Removes InstalledModule field from InstalledFound constructor since it's the same as the key that was searched for.
  

• 64c95292
  by Sjoerd Visscher at 2024-11-19T14:38:24-05:00

  Concentrate boot extension logic in Finder
  
  With new mkHomeModLocation that takes an extra HscSource to add boot extensions if required.
  

• 11bad98d
  by ARATA Mizuki at 2024-11-19T14:39:08-05:00

  Better documentation for floating-point min/max and SIMD primitives
  
  See #25350 for floating-point min/max
  
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  

• 791a47b2
  by Arnaud Spiwack at 2024-11-20T14:00:05+00:00

  Add test for #25185
  

• 374e18e5
  by Arnaud Spiwack at 2024-11-20T14:09:30+00:00

  Quick look: emit the multiplicity of app heads in tcValArgs
  
  Otherwise it's not scaled properly by the context, allowing unsound
  expressions.
  
  Fixes #25185.
  

• 1fc02399
  by sheaf at 2024-11-20T18:11:03-05:00

  x86 NCG: fix regUsageOfInstr for VMOVU & friends
  
  This commit fixes the implementation of 'regUsageOfInstr' for vector
  operations that take an 'Operand' as the destination, by ensuring that
  when the destination is an address then the address should be *READ*,
  and not *WRITTEN*.
  
  Getting this wrong is a disaster, as it means the register allocator
  has incorrect information, which can lead to it discard stores to
  registers, segfaults ensuing.
  
  Fixes #25486
  

• 7bd407a6
  by Brandon Chinn at 2024-11-21T14:08:15-05:00

  Fix CRLF in multiline strings (#25375)
  

• 7575709b
  by Rodrigo Mesquita at 2024-11-21T14:08:52-05:00

  Improve reachability queries on ModuleGraph
  
  Introduces `ReachabilityIndex`, an index constructed from a
  `GHC.Data.Graph.Directed` `Graph` that supports fast reachability
  queries (in $O(1)$). This abstract data structure is exposed from
  `GHC.Data.Graph.Directed.Reachability`.
  
  This index is constructed from the module graph nodes and cached in
  `ModuleGraph`, enabling efficient reachability queries on the module
  graph. Previously, we'd construct a Map of Set of ModuleGraph nodes
  which used a lot of memory (`O(n^2)` in the number of nodes) and cache
  that in the `ModuleGraph`. By using the reachability index we get rid of
  this space leak in the module graph -- even though the index is still
  quadratic in the number of modules, it is much, much more space
  efficient due to its representation using an IntMap of IntSet as opposed
  to the transitive closure we previously cached.
  
  In a memory profile of MultiLayerModules with 100x100 modules, memory
  usage improved from 6GB residency to 2.8GB, out of which roughly 1.8GB
  are caused by a second space leak related to ModuleGraph. On the same
  program, it brings compile time from 7.5s to 5.5s.
  
  Note how we simplify `checkHomeUnitsClosed` in terms of
  `isReachableMany` and by avoiding constructing a second graph with the
  full transitive closure -- it suffices to answer the reachability query
  on the full graph without collapsing the transitive closure completely
  into nodes.
  
  Unfortunately, solving this leak means we have to do a little bit more
  work since we can no longer cache the result of turning vertex indices
  into nodes. This results in a slight regression in MultiLayerModulesTH_Make,
  but results in large performance and memory wins when compiling large
  amounts of modules.
  
  -------------------------
  Metric Decrease:
      mhu-perf
  Metric Increase:
      MultiLayerModulesTH_Make
  -------------------------
  

• bcbcdaaf
  by Cheng Shao at 2024-11-21T14:09:28-05:00

  driver: fix hpc undefined symbol issue in TH with -fprefer-byte-code
  
  This commit fixes an undefined symbol error in RTS linker when
  attempting to compile home modules with -fhpc and
  -fbyte-code-and-object-code/-fprefer-byte-code, see #25510 for
  detailed description and analysis of the bug.
  
  Also adds T25510/T25510c regression tests to test make mode/oneshot
  mode of the bug.
  

• 970ada5a
  by Ben Gamari at 2024-11-22T23:32:06-05:00

  gitlab-ci: Bump ci-images
  
  For introduction of Alpine/i386 image.
  
  Thanks to Julian for the base image.
  
  Co-Authored-By: Julian Ospald <hasufell@hasufell.de>
  

• 8115abc2
  by Ben Gamari at 2024-11-22T23:32:06-05:00

  gitlab-ci: Add release job for i386/Alpine
  
  As requested by Mikolaj and started by Julian.
  
  Co-Authored-By: Julian Ospald <hasufell@hasufell.de>
  

• 639f0149
  by Ben Gamari at 2024-11-22T23:32:06-05:00

  rts/linker/Elf: Resolve _GLOBAL_OFFSET_TABLE_
  

• 490d4d0a
  by Ben Gamari at 2024-11-22T23:32:06-05:00

  gitlab-ci: Mark i386 Alpine test breakages
  
  Marks the following tests as broken on i386/Alpine:
  
   * T22033 due to #25497
   * simd009, T25062_V16, T25169, T22187_run due to #25498
  

• 536cdf09
  by Cheng Shao at 2024-11-22T23:32:42-05:00

  compiler: remove unused GHC.Linker.Loader.loadExpr
  
  This patch removes the unused `GHC.Linker.Loader.loadExpr` function.
  It was moved from `GHC.Runtime.Linker.linkExpr` in `ghc-9.0` to
  `GHC.Linker.Loader.loadExpr` in `ghc-9.2`, and remain completely
  unused and untested ever since. There's also no third party user of
  this function to my best knowledge, so let's remove this. Anyone who
  wants to write their own GHC API function to load bytecode can consult
  the source code in older release branches.
  

• 6ee35024
  by Drew Fenwick at 2024-11-22T23:33:26-05:00

  Fix a non-compiling example in the type abstractions docs
  
  This patch adds a missing Show constraint to a code example in the User Guide's type abstractions docs to fix issue #25422.

• d1172e20
  by Rodrigo Mesquita at 2024-11-22T23:34:02-05:00

  Re-introduce ErrorCallWithLocation with a deprecation pragma
  
  With the removal of the duplicate backtrace, part of CLC proposal #285,
  the constructor `ErrorCallWithLocation` was removed from base.
  
  This commit re-introduces it with a deprecation.
  

• 1187a60a
  by Ben Gamari at 2024-11-22T23:34:39-05:00

  testsuite: Skip tests requiring Hadrian deps in out-of-tree testsuite runs
  
  Some testsuite tests require specific tools (e.g. `check-ppr` and
  `check-exact`) beyond those shipped in the binary distribution. Skip
  these tests.
  
  Fixes #13897.
  

• c37d7a2e
  by Ben Gamari at 2024-11-22T23:34:39-05:00

  testsuite: Declare exactprint tests' dependency on check-exact
  

• 454ce957
  by Ben Gamari at 2024-11-22T23:35:15-05:00

  ghc-internal: Fix a few cases of missing Haddock markup
  

• a249649b
  by Ben Gamari at 2024-11-22T23:35:51-05:00

  testsuite/GHCiPrimCall : Add missing Makefile includes
  

• a021a493
  by Ben Gamari at 2024-11-22T23:35:51-05:00

  testsuite/IpeStats: Use Make rather than shell interpolation
  

• 6e1fbda7
  by Ben Gamari at 2024-11-25T03:55:44-05:00

  hadrian-ghci-multi: Pass -this-package-name in unit response files
  
  As noted in #25509, the `-this-package-name` must be passed for each
  package to ensure that GHC can response references to the packages'
  exposed modules via package-qualified imports. Fix this.
  
  Closes #25509.
  

• a05e4a9b
  by Simon Hengel at 2024-11-25T03:56:33-05:00

  Refactoring: Use `OnOff` more consistently for `Extension`
  

• 7536181d
  by Matthew Pickering at 2024-11-25T14:00:07-05:00

  driver: Always link against "base" package when one shot linking
  
  The default value for base-unit-id is stored in the settings file.
  
  At install time, this can be set by using the BASE_UNIT_ID environment
  variable.
  
  At runtime, the value can be set by `-base-unit-id` flag.
  
  For whether all this is a good idea, see #25382
  
  Fixes #25382
  

• 7f90f319
  by Andreas Klebinger at 2024-11-25T14:00:44-05:00

  Compacting GC: Handle black holes in large objects.
  
  As #14497 showed black holes can appear inside large objects when
  we capture a computation and later blackhole it like we do for AP_STACK
  closures.
  
  Fixes #24791
  

• 291388e1
  by Cheng Shao at 2024-11-25T14:01:19-05:00

  ci: minor nix-in-docker improvements
  
  This patch makes some minor improvements re nix-in-docker logic in the
  ci configuration:
  
  - Update `nixos/nix` to the latest version
  - Apply $CPUS to `cores`/`max-jobs` to avoid oversubscribing while
    allowing a reasonable degree of parallelism
  - Remove redundant `--extra-experimental-features nix-command` in
    later `nix shell` invocations, it's already configured in
    `/etc/nix/nix.conf`
  

• e684c406
  by Cheng Shao at 2024-11-25T14:01:57-05:00

  ci: avoid depending on stack job for test-bootstrap jobs
  
  This patch makes test-bootstrap related ci jobs only depend on
  hadrian-ghc-in-ghci job to finish, consistent with other jobs in the
  full-build stage generated by gen_ci.hs. This allows the jobs to be
  spawned earlier and improve overall pipeline parallelism.
  

• caaf5388
  by Simon Hengel at 2024-11-25T14:02:41-05:00

  Refactoring: Remove `pSupportedExts` from `ParserOpts`
  
  This is never used for lexing / parsing.  It is only used by
  `GHC.Parser.Header.getOptions`.
  

• 41f8365c
  by Arnaud Spiwack at 2024-11-25T14:03:23-05:00

  Add test for #25515
  

• 9279619f
  by Arnaud Spiwack at 2024-11-25T14:03:23-05:00

  Desugar record notation with correct multiplicities
  
  Simply uses the multiplicity as stored in the field. As I'm writing
  this commit, the only possible multiplicity is 1, but !13525 is
  changing this. It's actually easier to take !13525 into account.
  
  Fixes #25515.
  

• fcc3ae6e
  by Andreas Klebinger at 2024-11-26T08:24:58-05:00

  Clarify INLINE unfolding optimization docs.
  
  Fixes #24660
  

• 88c4fe1d
  by Cheng Shao at 2024-11-26T08:25:34-05:00

  rts: remove -Wl,-U,___darwin_check_fd_set_overflow hack
  
  This patch bumps macOS minimum SDK version to 11.0 for x86_64-darwin
  to align it with aarch64-darwin. This allows us to get rid of the
  horrible -Wl,-U,___darwin_check_fd_set_overflow hack, which is causing
  linker warnings and testsuite failures on macOS 15. Fixes #25504.
  

• 53f978c0
  by doyougnu at 2024-11-26T16:07:26-05:00

  ghc-experimental: expose GHC.RTS.Flags, GHC.Stats
  
  See this CLC proposal:
  
  - https://github.com/haskell/core-libraries-committee/issues/289
  
  and this CLC proposal for background:
  
  - https://github.com/haskell/core-libraries-committee/issues/288
  
  Metric Decrease:
      MultiLayerModulesTH_OneShot
  

• e70d4140
  by Wang Xin at 2024-11-26T16:08:10-05:00

  Add -mcmodel=medium moduleflag to generated LLVM IR on LoongArch platform
  
  With the Medium code model, the jump range of the generated jump
  instruction is larger than that of the Small code model. It's a
  temporary fix of the problem descriped in https://gitlab.haskell
  .org/ghc/ghc/-/issues/25495. This commit requires that the LLVM
  used contains the code of commit 9dd1d451d9719aa91b3bdd59c0c6679
  83e1baf05, i.e., version 8.0 and later. Actually we should not
  rely on LLVM, so the only way to solve this problem is to implement
  the LoongArch backend.
  
  Add new type for codemodel
  

• df42ba16
  by Andreas Klebinger at 2024-11-27T11:40:49-05:00

  Cmm constant folding: Narrow results to operations bitwidth.
  
  When constant folding ensure the result is still within bounds
  for the given type by explicitly narrowing the results.
  
  Not doing so results in a lot of spurious assembler warnings
  especially when testing primops.
  

• bf3db97e
  by Ben Gamari at 2024-11-27T11:41:26-05:00

  ghc-toolchain: Introduce basic flag validation
  
  We verify that required flags (currently `--output` and `--triple`) are
  provided. The implementation is truly awful, but so is getopt.
  
  Begins to address #25500.
  

• a104508d
  by Ben Gamari at 2024-11-27T11:42:03-05:00

  rts: Allow ExecPage to allocate anywhere in address space
  
  Currently the ExecPage facility has two users:
  
   * GHCi, for constructing info tables, and
   * the adjustor allocation path
  
  Despite neither of these have any spatial locality constraints ExecPage
  was using the linker's `mmapAnonForLinker`, which tries hard to ensure
  that mappings end up nearby the executable image. This makes adjustor
  allocation needlessly subject to fragmentation concerns.
  
  We now instead return less constrained mappings, improving the
  robustness of the mechanism.
  
  Addresses #25503.
  

• c3fc9b86
  by Ben Gamari at 2024-11-27T11:42:39-05:00

  base: Fix incorrect mentions of GHC.Internal.Numeric
  
  These were incorrectly changed by the automated refactoring of the
  `ghc-internal` migration.
  
  Fixes #25521.
  

• a362b943
  by sheaf at 2024-11-27T23:44:28-05:00

  Add checkExact to toolTargets
  
  This change means that the Hadrian multi target will include exactprint.
  In particular, this means that HLS will work on exactprint inside the GHC tree.

• e6c957e4
  by Arnaud Spiwack at 2024-11-27T23:45:09-05:00

  Add test for #25428
  

• 52d97f4e
  by Arnaud Spiwack at 2024-11-27T23:45:09-05:00

  Don't bypass MonoLocalBind in empty patterns
  
  Fixes #25428
  

• 7890f2d8
  by Ben Gamari at 2024-11-28T10:26:46-05:00

  hadrian: Bump directory bound to >=1.3.9
  
  Earlier versions of `directory` are racy on Windows due to #24382.
  
  Also includes necessary Hadrian bootstrap plan bump.
  
  Fixes #24382.
  

• 0fd43ea6
  by Adam Sandberg Ericsson at 2024-11-28T10:27:22-05:00

  mention -Iw in +RTS -?

• 6cf579b9
  by Ben Gamari at 2024-11-28T10:27:59-05:00

  gitlab-ci: Set GIT_SUBMODULE_FORCE_HTTPS
  
  GitLab recommends using `https://` to clone submodules and provides the
  `GIT_SUBMODULE_FORCE_HTTPS` variable to force this.
  
  Fixes #25528.
  

• 5b4774f9
  by sheaf at 2024-12-03T15:22:07+01:00

  Remove TcRnDeprecatedInvisTyArgInConPat mechanism
  
  The combination of ScopedTypeVariables + TypeApplications now no longer
  enables the use of type applications in constructor patterns, as per
  GHC proposal #448.
  
  This completes the deprecation that begun with GHC 9.8.
  
  We also remove the -Wdeprecated-type-abstractions flag, which was
  introduced in GHC 9.10.
  

• f813c8d7
  by sheaf at 2024-12-03T17:10:15-05:00

  Hadrian: use / when making filepaths absolute
  
  In Hadrian, we are careful to use -/- rather than </>, in order to use
  / instead of \ in filepaths. However, this gets ruined by the use of
  makeAbsolute from System.Directory, which, on Windows, changes back
  forward slashes to backslashes.
  

• 292ed74e
  by Ben Gamari at 2024-12-03T17:10:52-05:00

  rts/linker: Fix out-of-bounds mapping logic
  
  Previously the structure of `mmapInRegion` concealed a subtle bug
  concerning handling of `mmap` returning mappings below the beginning of
  the desired region. Specifically, we would reset `p = result + bytes`
  and then again reset `p = region->start` before looping around for
  another iteration. This resulted in an infinite loop on FreeBSD.
  
  Fixes #25492.
  

• 20912f5b
  by Ben Gamari at 2024-12-03T17:10:52-05:00

  rts/linker: Clarify debug output
  

• f98b3ac0
  by Simon Hengel at 2024-12-03T17:11:30-05:00

  SysTools: Avoid race conditions when processing output (fixes #16450)
  

• 03851b64
  by Rodrigo Mesquita at 2024-12-03T17:12:06-05:00

  mg: Drop unnecessary HasCallStack
  
  This HasCallStack was a debugging artifact from a previous commit.
  

• 01d213b5
  by Rodrigo Mesquita at 2024-12-03T17:12:06-05:00

  Improve haddock of graphReachabilityCyclic
  

• f7cbffe2
  by Rodrigo Mesquita at 2024-12-03T17:12:06-05:00

  Refactor ModuleGraph interface
  
  The 'ModuleGraph' abstraction represents the relationship and strucutre
  of the modules being compiled. This structure is meant to be constructed
  once at the start of compilation, and never changed again.
  
  However, it's exposed interface was confusing and exposed too many
  footguns which led to inneficient usages of the ModuleGraph. This commit
  improves significantly the exported interface of ModuleGraph, taking
  into consideration the recent improvements around reachability queries.
  
  Since the ModuleGraph graphs and related structures (HPT, EPS) are
  performance critical in the sense that somewhat simple mistakes can
  cause bad leaks and non-linear memory usage, we want to have proper APIs
  that guide efficient usage. This is a good step in that direction.
  

• b69a7f3c
  by David Binder at 2024-12-04T18:37:42-05:00

  Use consistent capitalization for "GHC Proposal" in user guide
  

• 18d9500d
  by David Binder at 2024-12-04T18:37:42-05:00

  Fix reference to GHC proposal 193 in user guide
  

• dd959406
  by Ben Gamari at 2024-12-04T18:38:18-05:00

  Revert "rts/Interpreter: Assert that TEST*_P discriminators are valid"
  
  This assertion was based on the misconception that `GET_TAG` was
  returning the pointer tag whereas it is actually returning the
  constructor tag.
  
  This reverts commit 9bf3663b9970851e7b5701d68147450272823197.
  
  Fixes #25527.
  

• cad6fede
  by Ben Gamari at 2024-12-04T18:38:54-05:00

  rts/IOManager: Drop dead code
  
  This assignment is dead code as it occurs after all branches have
  returned. Moreover, it can't possibly be relevant since the "available"
  branch already sets `flag`.
  
  Potentially fixes #25542.
  

• 55d8304e
  by Ben Gamari at 2024-12-06T16:56:00-05:00

  ghc-internal: Drop GHC.Internal.Data.Enum
  
  This module consists only of reexports and consequently there is no
  reason for it to exist.
  

• 56b9f484
  by Ben Gamari at 2024-12-06T16:56:00-05:00

  base: Introduce Data.Bounded
  
  As proposed in [CLC#208] but unfortunately `Data.Enum` was already
  incorrectly introduced in the `ghc-internal` refactor.
  
  [CLC#208]: https://github.com/haskell/core-libraries-committee/issues/208
  

• 336d392e
  by Ben Gamari at 2024-12-06T16:56:00-05:00

  base: Deprecate export of Bounded from Data.Enum
  
  This begins the process of bringing us into compliance with
  [CLC#208].
  
  [CLC#208]: https://github.com/haskell/core-libraries-committee/issues/208
  

• dd7ca939
  by Ben Gamari at 2024-12-06T16:56:00-05:00

  base: Mention incorrect Data.Enum addition in changelog
  

• dfd1db48
  by Ben Gamari at 2024-12-06T16:56:36-05:00

  base: Reintroduce {Show,Enum} IoSubSystem
  
  These instances were dropped in !9676 but not approved by the CLC.
  
  Addresses #25549.
  

• 090fc7c1
  by Peter Trommler at 2024-12-07T03:41:21-05:00

  Fix requirements on T25240
  
  T25240 doesn't need RTS linker, GHCi is sufficient and GHCi can also be
  dynamically linked.
  

• 3fb5d399
  by Peter Trommler at 2024-12-07T03:41:21-05:00

  Fix requirements for T25155
  
  Loading C objects requires RTS linker.
  

• 4c58bdf6
  by Leary at 2024-12-07T03:42:07-05:00

  TH: Add typed variants of dataToExpQ and liftData
  
  This commit introduces to template-haskell (via ghc-internal) two
  functions `dataToCodeQ` and `liftDataTyped`, typed variants of
  `dataToExpQ` and `liftData` respectively.
  
  Tested in: `dataToCodeQUnit`.
  

• 63027593
  by Serge S. Gulin at 2024-12-08T13:52:05+03:00

  JS: Basic cleanup for unused stuff to simplify things.
  
  1. Make `staticInitStat`, `staticDeclStat`, `allocUnboxedConStatic`, `allocateStaticList`, `jsStaticArg` local to modules.
  2. Remove unused `hdRawStr`, `hdStrStr` from Haskell and JavaScript (`h$pstr`, `h$rstr`, `h$str`).
  3. Introduce a special type `StaticAppKind` enumeration and `StaticApp` to represent boxed scalar static applications. Originally, StaticThunk supported to pass Maybe when it became Nothing for initializied thunks in an alternatie way but it is not used anymore.
  

• a9f8f1fb
  by Serge S. Gulin at 2024-12-08T14:10:45+03:00

  JS: Add trivial optimizations for `unpackCString` and `unpackCStringUtf8`.
  
  It became possible due of introduction strings unfloating at Sinker pass (#13185). Earns few more bytes at optimizations.
  

• b519c06b
  by Serge S. Gulin at 2024-12-08T15:50:26+03:00

  JS: Specialize unpackCString# CAFs (fixes #24744)
  
  Code analysis shown that such optimization would be possible out of the box if `cachedIdentForId` allowed to do that for Haskell `Id`s which are represented by few JavaScript `Ident`s. It is a usual for strings which are represented at JavaScript as a pair of 2 values: the string content and the offset where to start reading actual string from the full content. Usually offset is 0 but technically we need to allow such complex structures to be treated as "global".
  
  Enabling it there shown that `genToplevelRhs` and `globalOccs` had inaccuracies in their implementations:
  1. `globalOccs` operated over JavaScript's `Ident`s but for complex structures it didn't pay attention to the fact that different Idents actually could be pointed to same Id. Now the algo is changed to calculate occurencies for Ids.
  2. `genToplevelRhs` didn't assume that different Idents pointed to same Id can have mixed order of occurence. But actually the order is important. Strings are encoded into 2 variables where first is content and second is offset and their order are not interchangeable. It is fixed by regeneration Idents from collected Ids which is fine because all Idents generation is passed through the Cache and they are quasi-stable.
  

• a8ceccf3
  by Brandon Chinn at 2024-12-09T16:25:43-05:00

  Fix panic in multiline string with unterminated gap (#25530)
  

• 9e464ad0
  by Brandon Chinn at 2024-12-09T16:25:43-05:00

  Add test case for unterminated multiline string
  

• ed1ed5c6
  by Rodrigo Mesquita at 2024-12-09T16:26:19-05:00

  Revert mapMG renaming
  
  We had previously renamed this function for consistency, but that caused unnecessary breakage
  

• 158261f7
  by Sylvain Henry at 2024-12-09T16:27:01-05:00

  RTS: make Cabal flags manual
  
  Cabal shouldn't automatically try to set them. We set them explicitly.
  

• a83b7ed6
  by Matthew Stephenson at 2024-12-10T14:01:22-05:00

  Add missing @since documentation for (!?) function

• e745e3a3
  by Ben Gamari at 2024-12-10T14:01:59-05:00

  compiler: Don't attempt to TSAN-instrument SIMD operations
  
  TSAN only provides instrumentation for 8, 16, 32, and 64-bit memory
  loads/stores. Don't attempt to instrument wider operations.
  
  Fixes #25563.
  

• 684c0018
  by Ben Gamari at 2024-12-10T14:02:35-05:00

  gitlab/ci: Don't clobber RUNTEST_ARGS
  
  Previously the logic handling `IGNORE_PERF_FAILURES` clobbered the
  user's `RUNTEST_ARGS`. Fix this.
  

• 41dae5b8
  by Ben Gamari at 2024-12-10T14:03:11-05:00

  hadrian: Mitigate mktexfmt race
  
  At least some versions of Texlive's `mktexfmt` utility cannot be invoked
  concurrently in their initial run since they fail to handle failure of
  `mkdir` due to racing. Specifically, we see
  
  ```
  | Run Xelatex: users_guide.tex => /tmp/extra-dir-9616886274866
  | Run Xelatex: Haddock.tex => /tmp/extra-dir-9616886274869
  This is XeTeX, Version 3.14159265-2.6-0.999992 (TeX Live 2020) (preloaded format=xelatex)
   restricted \write18 enabled.
  kpathsea: Running mktexfmt xelatex.fmt
  mktexfmt: mktexfmt is using the following fmtutil.cnf files (in precedence order):
  mktexfmt:   /usr/share/texlive/texmf-dist/web2c/fmtutil.cnf
  mktexfmt: mktexfmt is using the following fmtutil.cnf file for writing changes:
  mktexfmt:   /builds/ghc/ghc/tmp-home/.texlive2020/texmf-config/web2c/fmtutil.cnf
  /usr/bin/mktexfmt: mkdir(/builds/ghc/ghc/tmp-home/.texlive2020/texmf-var/web2c/) failed for tree /builds/ghc/ghc/tmp-home/.texlive2020/texmf-var/web2c: File exists at /usr/share/texlive/tlpkg/TeXLive/TLUtils.pm line 937.
  I can't find the format file `xelatex.fmt'!
  ```
  
  That is two `mktexfmt` invocations (for the user's guide and haddock
  builds) attempted to create `$HOME/texlive2020/texmf-var/web2c` and
  raced. One of the two `mkdir`'s consequently failed, bringing down the
  entire build.
  
  We avoid this by ensuring that the first `xelatex` invocation is always
  performed serially.
  
  Fixes #25564.
  

• 9efbc51f
  by Ben Gamari at 2024-12-10T14:03:48-05:00

  rts/CheckUnload: Reset old_objects if unload is skipped
  
  Previously `checkUnload` failed to reset `old_objects` when it decided
  not to unload (e.g. due to heap profiling being enabled).
  
  Fixes #24935.
  

• 5192a75f
  by Ben Gamari at 2024-12-11T04:28:11-05:00

  rts: Annotate BCOs with their Name
  
  This introduces a new bytecode instruction, `BCO_NAME`, to aid in debugging
  bytecode execution. This instruction is injected by `mkProtoBCO` and
  captures the Haskell name of the BCO. It is then printed by the
  disassembler, allowing ready correlation with STG dumps.
  

• 99225996
  by Ben Gamari at 2024-12-11T04:28:48-05:00

  configure: Implement ld override whitelist
  
  Bring `configure` into alignment with `ghc-toolchain`, ensuring that the
  ld-override logic will only take effect on Linux and Windows.
  
  Fixes #25501.
  

• 4a8fc928
  by Ben Gamari at 2024-12-11T12:33:42+00:00

  testsuite: Unmark T14028 as broken on FreeBSD
  
  This now appears to pass on FreeBSD 14.
  
  Closes #19723.
  

• d7c0eb5a
  by Ben Gamari at 2024-12-11T12:33:42+00:00

  gitlab-ci: Migrate FreeBSD runner tag to FreeBSD 14
  

• 7246dacc
  by Ben Gamari at 2024-12-11T12:33:42+00:00

  gitlab-ci: Reintroduce FreeBSD 14 job
  

• 4af936da
  by Ben Gamari at 2024-12-11T12:33:42+00:00

  gitlab-ci: Allow use of newer cabal-install bindists
  
  Newer cabal-install bindists have internal directory structure.
  Here we detect and account for the presence of such structure.
  

• cbf38c1b
  by Ben Gamari at 2024-12-11T12:33:42+00:00

  gitlab-ci: Enable documentation build on FreeBSD 14
  

• d68107fb
  by Ben Gamari at 2024-12-11T12:33:42+00:00

  gitlab-ci: Use system libffi on FreeBSD
  

• fea3b590
  by Ben Gamari at 2024-12-11T12:33:42+00:00

  testsuite: Mark linker_unload as broken on FreeeBSD
  
  Due to #25491.
  

• ccf171ee
  by Ben Gamari at 2024-12-11T12:33:42+00:00

  gitlab-ci: Prefer system toolchain on FreeBSD
  
  It's not uncommon to find machines with gcc installed via ports. We
  should be using the system's default clang-based toolchain instead.
  

• cfb34738
  by Ben Gamari at 2024-12-11T12:33:42+00:00

  testsuite: Mark T21969 as broken on FreeBSD
  
  Due to #25512.
  

• 0b64e37c
  by Ben Gamari at 2024-12-11T12:33:42+00:00

  testsuite: Mark RestartEventLogging as broken on FreeBSD
  
  I am seeing this fail quite reproducibly.
  
  Due to #19724.
  

• 3b412019
  by Ben Gamari at 2024-12-11T12:33:42+00:00

  testsuite: Mark T16180 as "broken" on FreeBSD
  
  Sadly we in fact need to skip it as it merely times out during
  compilation.
  
  See #14012.
  

• 57e3cab5
  by Ben Gamari at 2024-12-11T12:33:42+00:00

  testsuite: Skip T16992 unless in slow speed
  
  This test has extraordinary memory requirements and tests a rather
  niche aspect of the compact region mechanism. It has been suggested
  multiple times that we shouldn't run it in the default testsuite
  configuration. Finally implement this.
  
  See #21890.
  See #21892.
  

• f08a72eb
  by Ben Gamari at 2024-12-11T19:30:54-05:00

  rts(setNumCapabilities): Assert that n_caps < MAX_N_CAPS
  
  It was noticed in #25560 that this would previously be allowed,
  resulting in a segfault.
  
  I will add a proper exception in `base` in a future commit.
  

• e10d31ad
  by Ben Gamari at 2024-12-11T19:30:55-05:00

  ghc-internal: Fix inconsistent FFI import types
  
  The foreign imports of `enabled_capabilities` and
  `getNumberOfProcessors` were declared as `CInt` whereas they are defined
  as `uint32_t`.
  

• 06265655
  by Ben Gamari at 2024-12-11T19:30:55-05:00

  rts: Mention maximum capability count in users guide
  
  Addresses #25560.
  

• d488470b
  by Ben Gamari at 2024-12-11T19:30:55-05:00

  rts/Capability: Move induction variable declaration into `for`s
  
  Just a stylistic change.
  

• 71f050b7
  by Ben Gamari at 2024-12-11T19:30:55-05:00

  rts: Determine max_n_capabilities at RTS startup
  
  Previously the maximum number of capabilities supported by the RTS was
  statically capped at 256. However, this bound is uncomfortably low given
  the size of today's machine.
  
  While supporting unbounded, fully-dynamic adjustment would be nice, it
  is complex and so instead we do something simpler: Probe the logical
  core count at RTS startup and use this as the static bound for the rest
  of our execution.
  
  This should avoid users running into the capability limit on large
  machines while avoiding wasting memory on a large capabilities array for
  most users and keeping complexity at bay.
  
  Addresses #25560.
  

• 1e84b411
  by Ben Gamari at 2024-12-11T19:30:55-05:00

  testsuite: Introduce req_c_rts
  
  As suggested by @hsyl20, this is intended to mark tests that rely on the
  behavior of the C RTS.
  

• 683115a4
  by Ben Gamari at 2024-12-11T19:30:55-05:00

  testsuite: Add test for #25560
  

• ef2052a8
  by Ben Gamari at 2024-12-12T04:42:32-05:00

  testsuite: Only run T14497_compact in normal way
  
  This test targets the compacting GC so it makes little sense to run it
  across all ways. Moreover, it outright conflicts with the `nonmoving`
  way.
  

• 34d3e8e6
  by Ben Gamari at 2024-12-12T04:43:08-05:00

  rts/CheckUnload: Don't prepare to unload if we can't unload
  
  Previously `prepareUnloadCheck` would move the `objects` list to
  `old_objects` even when profiling (where we cannot unload). This caused
  us to vacate the `objects` list during major GCs, losing track of loaded
  objects. Fix this by ensuring that `prepareUnloadCheck` and
  `checkUnload` both use the same short-cutting logic.
  

• 9c53489d
  by Andrei Borzenkov at 2024-12-12T15:06:42-05:00

  Update GHCi :info type declaration printing (#24459)
  
  - Do not print result's kind in type families
    because we have full kind in SAKS and we display
    invisible arity using @-binders
  
  - Do not suppress significant invisible binders
  
  An invisible binder is considered significant when it meets at least
  one of the following two criteria:
    - It visibly occurs in the declaration's body
    - It is followed by a significant binder,
      so it affects positioning
  For non-generative type declarations (type synonyms and type families)
  there is one additional criterion:
    - It is not followed by a visible binder, so it
      affects the arity of a type synonym
  
  See Note [Print invisible binders in interface declarations]
  for more information about what is "visibly occurs"
  

• 13fe48d4
  by Matthew Pickering at 2024-12-12T15:07:19-05:00

  typechecker: Perform type family consistency checks in topological order
  
  Consider a module M importing modules A, B and C.
  
  We can waste a lot of work depending on the order that the modules are
  checked for family consistency.
  
  Consider that C imports A and B. When compiling C we must have already
  checked A and B for consistency, therefore if C is processed first then
  A and B will not need to be checked for consistency again.
  
  If A and B are compared first, then the consistency checks will be
  performed against (wasted as we already performed them for C).
  
  At the moment the order which modules are checked is non-deterministic.
  
  Clearly we should engineer that C is checked before B and A, but by what
  scheme?
  
  A simple one is to observe that if a module M is in the transitive
  closure of X then the size of the consistent family set of M is less
  than or equal to size of the consistent family set of X.
  
  Therefore by sorting the imports by the size of the consistent family
  set and processing the largest first, you make sure to process modules
  in topological order.
  
  In practice we have observed that this strategy has reduced the amount
  of consistency checks performed.
  
  One solution to #25554
  

• 62a2b25f
  by Sylvain Henry at 2024-12-14T04:31:09-05:00

  TNTC: set CmmProc entry_label properly (#25565)
  
  Before this patch we were renaming the entry label of a CmmProc late in
  the CmmToAsm pass. It led to inconsistencies and to some labels being
  used in info tables but not being emitted (#25565).
  Now we set the CmmProc entry label earlier in the StgToCmm monad and we
  don't renamed it afterwards.
  

• b339e7c3
  by Simon Hengel at 2024-12-14T04:31:47-05:00

  Make filter functionality for system tools line-based
  
  This is more efficient as:
  
  - All existing filter functions were line-based anyway.  They broke up
    the input into lines and then joined it back together.
  - We already break up the output from system tools into lines when
    processing it.
  
  Splitting up the output of system tools once and then filtering and
  processing it reduces both code and runtime complexity.
  

• 39669077
  by Simon Hengel at 2024-12-14T04:31:47-05:00

  Refactoring: Don't use a `Chan` when parsing SysTools output
  

• 64756530
  by Simon Peyton Jones at 2024-12-14T22:28:04-05:00

  Tidy up the handling of `assert`
  
  Fixes #25493
  

• 8658fbc1
  by Rodrigo Mesquita at 2024-12-14T22:28:41-05:00

  base: displayException for SomeAsyncException
  
  Provide a better implementation of `SomeException` for
  `SomeAsyncException`.
  The previous, implicit, implementation, would not use the
  `displayException` of the exception wrapped by `SomeAsyncException`.
  
  Implements CLC-Proposal#309
  
  Closes #25513
  

• 2d3a0a70
  by ARATA Mizuki at 2024-12-15T18:35:30-05:00

  LLVM: When emitting a vector literal with ppTypeLit, include the type information
  
  Fixes #25561
  

• bfacc086
  by Simon Peyton Jones at 2024-12-15T18:36:05-05:00

  Fix signature lookup in instance declarations
  
  This fixes a bug introduced by the fix to #16610
  

• 80f0e02d
  by Simon Peyton Jones at 2024-12-16T17:13:52+00:00

  Improve GHC build times
  
  Two small changes
  
  * In GHC.Data.Unboxed, never omit interface pragmas.  In "fast builds"
    one might omit them generally, but doing so gives very bad
    performance for code that imports this module.
  
  * In GHC.Hs.Dump don't do type-class specialisation.  For some reason
    it goes mad and generates vast amounts of useless code.  See #25463.
  

• 175a1355
  by Simon Peyton Jones at 2024-12-16T17:13:52+00:00

  Refactor Lint
  
  Refactor Lint for two reasons:
  
  * To improve performance
  * To prepare for type-lets
  
  The big changes are all in GHC.Core.Lint:
  
  * Change the main APIs:
    * `lintType` returns nothing rather than returning a `LintedType`;
    * `lintCoercion` return nothing rather than returning a `LintedCoercion`
    Reason: these functions did a lot of allocation to return a substituted
    type/coercion that was often discarded, or used only to extract its kind.
  
    Instead we now return nothing, and, when needed, extract the kind and
    substitute.
  
  * Applications are treated as a whole, by `lintApp`.  By treating
    multiple arguments all at once we avoid performing multiple
    substitutions, each substituting a single type variable. This can
    make an absolutely huge difference.
  
  Overall this led to a pretty massive rewrite of Lint, with many smaller
  changes.
  
  Smaller chnages elsewhere
  
  * Rename `GHC.Core.TyCo.Subst.getSubstInScope` to `substInScopeSet` for consistency
  
  * Define and use `GHC.Core.Type.liftedTypeOrConstraintKind`
  
  Performance. This MR someimtes gives gives a very large improvement in
  compile time, when Lint is on.  here is a selection of changes over 5%
  in perf/compiler (with -dcore-lint)
  
        T25196                       -97.0%
        T14766                       -89.7%
        T14683                       -74.4%
        T5631                        -60.9%
        T20261                       -56.7%
        T18923                       -17.6%
        T13035                       -15.8%
        T6048                        -15.8%
        CoOpt_Read                   -14.4%
        T9630                        -10.9%
        T5642                         -7.3%
  
  Eliminating the egregious offenders is a big win.
  
  However, in some cases the compiler allocation /increases/. Here ae the
  changes over 1%:
  
        T9961                          1.5%
        T8095                          2.8%
        T14052                         3.9%
        T12545                         4.5%
        T14052Type                     5.5%
        T5030                          8.0%
        T5321Fun                       8.3%
        T3064                         12.7%
        CoOpt_Singletons              15.6%
        T9198                         16.0%
        LargeRecord                   18.1%
  
  I looked at the two biggest increases in compile-time bytes allocated.  Interestingly,
  they both show substantial *decreases* in actual compile time, due to much smaller GC times.
  I'm honestly not sure either why the allocation increases, or why the GC time decreases;
  but I'm going to take the win!
  
      T9198
                   Baseline            With patch
      No Lint
        Alloc       44.6M              44.6M
        Mut time    0.23s              0.22s
        GC time     0.21s              0.21s
  
      With Lint
        Alloc       309M               360M
        Mut time    1.51s              0.85s
        GC time     2.97s              0.25s
  
      -------------------
      LargeRecord
                   Baseline            With patch
      No Lint
        Alloc       1.37G              1.37G
        Mut time    2.33s              2.33s
        GC time     2.40s              2.42s
  
      With Lint
        Alloc       3.4G               4.0G
        Mut time    6.02s              5.68s
        GC time     3.67s              3.03s
  
  IMPORTANT NOTE: These changes don't show up in CI because in CI the
  tests in perf/compiler are all run with -dcore-lint switched off.  I
  gathered this data with some manual runs.
  

• 8ef2dad6
  by Simon Peyton Jones at 2024-12-17T02:48:09-05:00

  Add Note [Typechecking overloaded literals]
  
  See #25494.
  

• e86b1b20
  by Ben Gamari at 2024-12-17T13:51:39-05:00

  testsuite: Use math.inf instead of division-by-zero
  
  This both more directly captures the intent and also fixes #25580.
  

• 430d965a
  by Ben Gamari at 2024-12-17T13:52:15-05:00

  rts: Fix incorrect format specifiers in era profiling
  
  Fixes #25581.
  

• 267098ad
  by Andreas Klebinger at 2024-12-18T23:43:13-05:00

  Document `-prof` and non `-prof` code being incompatible.
  
  Fixes #25518.
  

• 04433916
  by Zubin Duggal at 2024-12-18T23:43:50-05:00

  ghcup metadata: output metadata fragment in CI
  
  (cherry picked from commit 52b58a660e735b20961d792d8fa9267f01247a50)
  

• 7c78804e
  by Zubin Duggal at 2024-12-18T23:43:50-05:00

  ghcup metatdata: use fedora33 for redhat
  
  Redhat 9 doesn't have libtinfo.so.5 anymore
  
  (cherry picked from commit dc86785eb43afd1bd292287c064fb5ad94fe8c7f)
  

• 1d72cfb2
  by Zubin Duggal at 2024-12-18T23:43:50-05:00

  ghcup metadata: still use centos for redhat <9
  

• 3f7ebc58
  by Sylvain Henry at 2024-12-19T20:40:14-05:00

  Merge ghc-bignum into ghc-internal (#24453)
  
  First step towards merging ghc-bignum and ghc-prim into ghc-internal.
  
  After this patch, ghc-bignum is deprecated and is just a shallow package
  reexporting modules from ghc-internal and base. Use those directly
  instead.
  
  Move `gmp` submodule into ghc-internal directory.
  

• ee0150c2
  by Rodrigo Mesquita at 2024-12-19T20:40:51-05:00

  Improve performance of deriving Show
  
  Significantly improves performance of deriving Show instances by
  avoiding using the very polymorphic `.` operator in favour of inlining
  its definition. We were generating tons of applications of it, each
  which had 3 type arguments!
  
  Improves on #9557
  
  -------------------------
  Metric Decrease:
      InstanceMatching
      T12707
      T3294
  ------------------------
  

• 8b266671
  by Rodrigo Mesquita at 2024-12-19T20:40:51-05:00

  Don't eta expand cons when deriving Data
  
  This eta expansion was introduced with the initial commit for Linear
  types.
  
  I believe this isn't needed any longer. My guess is it is an artifact
  from the initial linear types implementation: data constructors are
  linear, but they shouldn't need to be eta expanded to be used as higher
  order functions. I suppose in the early days this wasn't true.
  
  For instance, this works now:
  
      data T x = T x
      f = \(x :: forall y. y -> T y) -> x True
      f T -- ok!
  
  T is linear, but can be passed where an unrestricted higher order
  function is expected. I recall there being some magic around to make
  this work for data constructors...
  
  Since this works, there's no need to eta_expand the data constructors in
  the derived Data instances.
  

• 1f67ad21
  by Andrei Borzenkov at 2024-12-25T01:42:31-05:00

  Flip the order of arguments of setField (#24668)
  
  GHC Proposal 583 "HasField redesign" specifies the
  following order of a setField function arguments as this:
  
    setField :: forall fld a b. SetField fld a b. b -> a -> a
  
  This patch flips the application order to match the spec.
  

• 3e0c948d
  by Ben Gamari at 2024-12-25T01:43:08-05:00

  rel-eng/upload: Add set_symlink mode
  
  This slightly eases updating of the `latest` symlinks.
  

• 63d63f9d
  by Simon Peyton Jones at 2024-12-25T01:43:45-05:00

  Preserve orientation when unifying kinds
  
  This MR fixes yet another manifestation of the trickiness caused
  by Note [Fundeps with instances, and equality orientation].
  
  I wish there was a more robust way to do this, but this fix is
  a definite improvement.
  
  Fixes #25597
  

• 94ba9a6a
  by ARATA Mizuki at 2024-12-26T10:47:57-05:00

  x86 NCG SIMD: Support pack/insert/broadcast/unpack of 128-bit integer vectors
  

• 6bf0d587
  by Andrew Lelechenko at 2024-12-26T10:48:33-05:00

  docs: fix haddock formatting in Control.Monad.Fix
  

• feb14af1
  by Sergey Vinokurov at 2024-12-27T15:06:28+00:00

  Remove unnecessary irrefutable patterns from NonEmpty functions
  
  Implementation of https://github.com/haskell/core-libraries-committee/issues/107
  

• 6a0d91b4
  by Sergey Vinokurov at 2024-12-27T15:06:28+00:00

  Make cons, Semigroup, IsList, and Monad instances stricter
  

• 1249e597
  by Sergey Vinokurov at 2024-12-27T15:06:28+00:00

  Restore some laziness in <| and Semigroup instance, improve Monad instance
  
  The Monad instance shouldn't produce the outer :| unless f a reduces
  to WHNF. (Notice that the b :| bs match is implicitly lazy.)
  

• 8699d826
  by Sergey Vinokurov at 2024-12-27T15:12:30+00:00

  Add comment outlining Data.List.NonEmpty implementation guiding principles
  

• 7febe00e
  by Sergey Vinokurov at 2024-12-27T22:24:43+00:00

  Fix tests since location of ‘>>=’ changed
  

• a928c326
  by ARATA Mizuki at 2024-12-28T03:06:14-05:00

  Fix LLVM version detection
  
  With a recent LLVM, `llc -version` emits the version on the first line
  if the vendor is set.  It emits the version on the second line
  otherwise.
  
  Therefore, we need to check the both lines to detect the version.
  
  GHC now emits a warning if it fails to detect the LLVM version,
  so we can notice if the output of `llc -version` changes in the future.
  
  Also, the warning for using LLVM < 10 on s390x is removed, because
  we assume LLVM >= 13 now.
  
  This fixes the definition of __GLASGOW_HASKELL_LLVM__ macro.
  
  Fixes #25606
  

• 7f79257a
  by Zubin Duggal at 2024-12-29T13:04:35+00:00

  Bump base, ghc-prim and template-haskell versions for 9.12
  
  Also bump various submodules.
  
  (cherry picked from commit 6fc1fa3bdc8f53acdb19e47145789274060e498f)
  
  Bump base bound to 4.21 for GHC 9.12
  
  (cherry picked from commit 473a201c6b55aea5bf9c9db0836a66ea1b657e04)
  
  Bump binary submodule to 0.8.9.2
  
  (cherry picked from commit 7199869a52ab45e8856658248bf807954d58cc20)
  (cherry picked from commit ec2f40b45c1a3d82d17a2fc07e9ddb9218bc3940)
  
  Bump exceptions submodule to 0.10.9
  
  (cherry picked from commit f5b5d1dc2d326368e5b173d622630d77f019b629)
  
  Bump file-io submodule to 0.1.4
  
  (cherry picked from commit ba786681de6ac5fa49938e2cd71a5988f0f40d1f)
  
  bump os-string submodule to 2.0.6
  
  (cherry picked from commit 3a7ffdbb832c045a55fd1ef24f546abdd9d9e30f)
  
  bump transformers submodule to 0.6.1.2
  
  (cherry picked from commit 53b46fd437421b9e5a001edc6d1c427439d7714f)
  
  Bump directory submodule to v1.3.9.0
  
  (cherry picked from commit 27dc2664c5404bb462092bb216c2c37b418fd1f8)
  
  Bump Win32 submodule to v2.14.1.0
  
  (cherry picked from commit 80df88086180f5e39212b2feacf70a9d2b263c6c)
  
  Bump filepath submodule to 1.5.3.0
  
  (cherry picked from commit 29bfae2c58a7303a081a6e7956b9f55e5faf3eeb)
  
  Bump file-io submodule to avoid usage of QuasiQuotes
  
  (cherry picked from commit 97b0dff223a6c4cc003adec448104c277f214645)
  
  Bump unix submodule to 2.8.6.0
  
  (cherry picked from commit a1f56d6d6a99c100f88ef0a8b4d51298cf24a42d)
  
  Bump os-string submodule to 2.0.8
  
  (cherry picked from commit 0121b76fd52ea0c0ce5d07085bc195666b63c625)
  
  Bump file-io submodule to avoid usage of QuasiQuotes
  
  (cherry picked from commit 962ceb50c8a6fc370e1c0a267f5cd5562a8cf759)
  
  Bump filepath submodule to 1.5.4.0
  
  (cherry picked from commit 7bc6877fd5d41c6d5900678ad5e73ed30f366569)
  
  Bump file-io submodule to 0.1.5
  
  (cherry picked from commit 9478b5aefe2877d58baf527edcf936dddbb955b7)
  
  Bump Cabal submodule to 3.14.1.0
  
  (cherry picked from commit 5c9c3e3f79a79bb6d9a77a17c716dc3a0bcbd2aa)
  
  Bump directory submodule to 0.12.2.0
  
  (cherry picked from commit 897906265db37af34ae2aaa016cec417f263407b)
  
  Bump array submodule for base bump
  
  Bump stm submodule for base bump
  
  Bump process submodule for base bump
  

• f6079408
  by Zubin Duggal at 2024-12-29T13:04:35+00:00

  Fix ghc-e005 after HasCallstack changes
  
  (cherry picked from commit 77f340a24561cea8a6f2ada296b3ea356ab1823c)
  

• 3e10fa75
  by Zubin Duggal at 2024-12-29T13:04:35+00:00

  Add haskeline to stage0Packages
  
  Otherwise we link against boot inplace and boot unix as boot haskeline
  depends on boot unix.
  
  (cherry picked from commit 90b493769ebdf3cd7be404d18462dc20ac1044df)
  

• 4ad6aec4
  by Zubin Duggal at 2024-12-29T13:04:35+00:00

  Fix TH changelog
  

• ea3f7fd5
  by Zubin Duggal at 2024-12-29T13:04:35+00:00

  release: copy index.html from correct directory
  
  (cherry picked from commit cbfd0829cd61928976c9eb17ba4af18272466063)
  

• fafb70db
  by Zubin Duggal at 2024-12-29T13:04:35+00:00

  hadrian-multi: warn on unused imports
  
  os-string has redundant imports
  
  (cherry picked from commit dde3796be689ea57543936e22aa5ea4ef7ed995e)
  

• c02b1e46
  by Simon Peyton Jones at 2024-12-29T17:04:30-05:00

  Fix in-scope set for CSE
  
  Ticket #25468 showed an assertion failure in CSE because a top-level
  Id was being used before it was defined.  Reason: Note [Glomming] in
  GHC.Core.Opt.OccurAnal.
  
  Solution (used in many places): just put all the top-level bindings in
  scope at the beginning of CSE.
  
  Compile-time allocation wobbles up and down a tiny bit; geo mean is
  zero. But MultiLayerModulesTH_OneShot and hard_hole_fits increase (on
  some architectures only) by a bit oever 2% .  I think these are just a
  random fluctuations.
  
  Metric Increase:
      MultiLayerModulesTH_OneShot
      hard_hole_fits
  

• 559d4f84
  by Krzysztof Gogolewski at 2024-12-30T11:53:19-05:00

  Add tests for #23883
  
  The issue has been fixed by commit f5d3e03c56ffc63.
  Only T23883a is the actual regression test, the remaining ones are
  tricky cases found during development of an independent fix !11313.
  

• 278a53ee
  by Sergey Vinokurov at 2024-12-30T11:53:59-05:00

  Update changelog for CLC proposal #107 (NonEmpty laziness)
  

• f56558be
  by Matthew Pickering at 2025-01-07T13:53:03-05:00

  warnings: Find out if a qualified name is in the interactive scope directly
  
  There were two ad-hoc mechanisms used to determine which modules were in
  the interactive scope.
  
  1. Look at everything in the GRE, to see what is imported qualified.
  2. Look at the last loaded module in the HPT.
  
  (1) Is very inefficient, GlobalRdrEnvs can be very big.
  (2) is incorrect, there is no reason to assume the "last" thing added to
  the HPT has any relevance to module loading order.
  
  Happily, the same checks can be implemented directly by looking at the
  interactive imports from the interactive context. This mirrors what
  happens for normal imports.
  
  Arguably, the error reporting code shouldn't be doing this kind of
  processing and it should be an option is set when rendering the error
  message. However, this just improves the situation and doesn't block
  progress on that front in future.
  
  See #14225 and #15611
  
  Fixes #25600
  

• 84155cdb
  by Simon Peyton Jones at 2025-01-07T13:53:40-05:00

  Tidy up kcConDecls
  
  Addresses #25630
  
  In particular,
  
  * Introduce ConArgKind and use it.
  
  * Make kcConDecls and tcConDecls work the same way
    concerning the kind of argument types
  

• 6c12b6cf
  by Bryan Richter at 2025-01-07T18:15:02-05:00

  Remove tmp files after toolchain check
  
  Fixes #25620
  

• 42826a89
  by Cheng Shao at 2025-01-07T18:15:39-05:00

  xxhash: bump to v0.8.3
  

• 185f17e4
  by sheaf at 2025-01-07T18:16:15-05:00

  Fix typo in GHC.Tc.Solver.Solve.runTcPluginsWanted

• 23099752
  by Luite Stegeman at 2025-01-08T00:33:33+01:00

  Add flags for switching off speculative evaluation.
  
  We found that speculative evaluation can increase the amount of
  allocations in some circumstances. This patch adds new flags for
  selectively disabling speculative evaluation, allowing us to
  test the effect of the optimization.
  
  The new flags are:
  
    -fspec-eval
       globally enable speculative evaluation
  
    -fspec-eval-dictfun
       enable speculative evaluation for dictionary functions (no effect
       if speculative evaluation is globally disabled)
  
  The new flags are on by default for all optimisation levels.
  
  See #25284
  

• 0161badc
  by Ben Gamari at 2025-01-09T17:30:05-05:00

  rts/printClosure: Print IPE information for thunks and functions
  
  This makes it considerably easier to grok the structure of the heap
  when IPE information is available.
  

• 023f36f5
  by Rodrigo Mesquita at 2025-01-10T14:57:48-05:00

  user_guide: Note -pgmP/-optP are for /Haskell/-CPP
  
  Fixes #25574
  

• e1c133f2
  by Ben Gamari at 2025-01-10T14:58:25-05:00

  dump-decls: Suppress unit-ids
  
  While the testsuite driver already normalizes these away, they are
  nevertheless a severe nuisance when diffing outside of the testsuite.
  
  Intriguingly, this doesn't completely eliminate the unit IDs; some
  wired-in names are still printed. However, this is a cheap and helpful
  improvement over the status quo so I am simply going to accept this.
  
  Fixes #25334.
  

• 2e7bf446
  by sheaf at 2025-01-13T10:55:26+01:00

  Remove SDocs from ErrCtxt & ErrInfo
  
  This commit:
  
    - turns the SDoc used in ErrCtxt into a proper error datatype,
      ErrCtxtMsg, which contains all the different error contexts that
      can be added,
  
    - replaces ErrInfo with [ErrCtxt].
      ErrInfo used to contain two SDocs; the first is replaced with [ErrCtxt],
      and the second is removed, with the relevant information being put
      in the appropriate error message constructors.
  
  Fixes #23436
  

• 2d62b970
  by Mike Pilgrem at 2025-01-13T12:59:10-05:00

  Re CLC #300 - Specify fmap for NonEmpty as map
  
  See:
  * https://github.com/haskell/core-libraries-committee/issues/300
  
  Seeks to:
  * move existing instances for NonEmpty (except of Eq and Ord) out of GHC.Internal.Base into new GHC.Internal.Data.NonEmpty (to avoid otherwise unavoidable cycles in the module graph);
  * move map out of Data.List.NonEmpty (base package) into GHC.Internal.Data.NonEmpty;
  * define fmap as map for NonEmpty instance of Functor, avoiding code duplication;
  * re-export map from existing GHC.Internal.Data.List.NonEmpty; and
  * re-export map from Data.List.NonEmpty (base package);
  
  without breaking anything in the GHC repository.
  
  Various tests *.stdout and *.stderr files are amended also.
  

• ab3ab3e3
  by Luite Stegeman at 2025-01-13T12:59:58-05:00

  compiler/coreprep: Turn off dictionary speculation by default
  
  Speculative evaluation can cause performance regressions,
  therefore we turn it off by default. It can be enabled again
  with the -fspec-eval-dictfun flag
  
  See #25284
  

• 3d9cacd5
  by Patrick at 2025-01-14T02:34:46+08:00

  Enhance kind inference for data family instances
  This commit improves kind inference for data family instances by kind-checking
  the constructors, for H98 and newtype declarations (ONLY), as well as
  kind-checking the result kind signature (when using GADT syntax).
  This fixes #25611.
  
  Typechecker changes:
  In `tcDataFamInstHeader`, we now kind-check the constructors using
  `kcConDecls`, for H98-style decls and newtype decls ONLY.
  See Note [Kind inference for data family instances].
  
  Testsuite changes:
    - The T25611{a,b,c,d} tests test the new kind inference implementation.
      - a,b: infer result kind from constructors (H98 case)
      - c: renamed version of test UnliftedNewtypesUnassociatedFamilyFail,
        which now passes
      - d: GADT case, checking that we don't infer overly rigid kinds when
           kind-checking the constructors in data family instances.
   - DataInstanceKindsDefaults tests defaulting data instance kinds
     without UnliftedNewtypes or UnliftedDatatypes, as outlined in
     Note [Defaulting result kind of newtype/data family instance].
  
  Also a few notes are updated to reflect the changes.
  
  Co-authored-by: default avatarSimon Peyton Jones <simon.peytonjones@gmail.com>
  

• f6493dbc
  by amesgen at 2025-01-15T18:47:23-05:00

  wasm: prevent bundlers from resolving import("node:timers")
  
  This fixes the following esbuild error:
  
      ✘ [ERROR] Could not resolve "node:timers"
  
          www/ghc_wasm_jsffi.js:66:25:
            66 │     return (await import("node:timers")).setImmediate;
               ╵                          ~~~~~~~~~~~~~
  
        The package "node:timers" wasn't found on the file system but is built into node. Are you trying
        to bundle for node? You can use "--platform=node" to do that, which will remove this error.
  
  Previously (i.e. after !13503), one had to work around this by passing
  `--external:node:timers`.
  

• 87e82e2e
  by sheaf at 2025-01-16T14:51:45+01:00

  Use checkTyEqRhs to make types concrete
  
  This commit refactors makeTypeConcrete to call checkTyEqRhs with
  the appropriate parameters. This avoids duplicating subtle logic
  in two places in the compiler.
  
  Changes:
  
    1. Refactor of 'TyEqFlags'. Now 'TyEqFlags' stores a 'TEFTask', which
       is a description of which of the following checks we want to
       perform in 'checkTyEqRhs':
          - occurs check
          - level check
          - concreteness check
  
       In the process, the 'AreUnifying' datatype has been removed, as it
       is no longer needed.
  
    2. Refactor of 'checkTyVar':
        a. Make use of the new 'TEFTask' data type to decide which checks
           to perform.
           In particular, this ensures that we perform **both** a
           concreteness check and a level check when both are required;
           previously we only did a concreteness check (that was a bug!).
        b. Recursively call 'checkTyVar' on the kind of unfilled
           metavariables. This deals with a bug in which we failed to
           uphold the invariant that the kind of a concrete type must
           itself be concrete. See test cases T23051, T23176.
  
    3. Re-write of 'makeTypeConcrete', which now simply calls
       'checkTyEqRhs' with appropriate 'TyEqFlags'/'TEFTask'.
       This gets rid of code duplication and risk for the two code paths
       going out-of-sync.
  
  Fixes #25616. See also #23883.
  

• 5a8f35bd
  by ARATA Mizuki at 2025-01-17T11:17:49-05:00

  x86 NCG: Use correct format for MOVD in the implementation of unpackInt64X2#
  
  MOVD takes the input format.
  
  Fixes #25658
  

• 14f8a7ec
  by Mateusz Goślinowski at 2025-01-17T22:49:09+00:00

  Allow multiline strings in JS FFI (#25633)
  

• 854c2f75
  by Simon Peyton Jones at 2025-01-18T02:54:08-05:00

  Fix a buglet in tcSplitForAllTyVarsReqTVBindersN
  
  The problem was that an equation in `split` had two guards (one about
  visiblity and one about `n_req`). So it fell thorugh if /either/
  was False.  But the next equation then assumed an invisible binder.
  
  Simple bug, easily fixed.  Fixes #25661.
  

• 264a1186
  by sheaf at 2025-01-18T10:05:56+00:00

  Generalise GHC diagnostic code infrastructure
  
  This commit generalises the infrastructure used for diagnostic codes,
  allowing it to be used for other namespaces than the GHC namespace.
  In particular, this enables GHCi to re-use the same infrastructure to
  emit error messages.
  

• bf4f5ad3
  by Jade at 2025-01-18T10:05:56+00:00

  Add structured errors to GHCi (#23338)
  
  This patch creates the 'GhciCommandErrorMessage' data type which
  implents the 'Diagnostic' class and also provides error code for these
  error conditions.
  

• b6f54188
  by Ben Gamari at 2025-01-18T12:38:46-05:00

  Revert "Division by constants optimization"
  
  This appears to be responsible for the regression described in #25653.
  
  This reverts commit daff1e30219d136977c71f42e82ccc58c9013cfb.
  

• 0fd90de8
  by Ben Gamari at 2025-01-18T12:38:46-05:00

  testsuite: Introduce div2 test
  
  This is a useful test from !8392 which is worth keeping around.
  

• 32680979
  by Ben Gamari at 2025-01-18T12:38:46-05:00

  testsuite: Test shift correctness in mul2 test
  

• 163aa50a
  by Ben Gamari at 2025-01-18T12:38:46-05:00

  testsuite: Add regression test for #25653
  

• 44778963
  by Matthew Pickering at 2025-01-20T11:23:08+00:00

  driver: Store an ExternalModuleGraph in the EPS
  
  We now store an ExternalModuleGraph in the EPS. When an new interface is
  loaded, the module graph is extended with a node for the loaded
  interface. The result is a partial module graph. If you want to run
  a transitive closure query on the graph you must first force the
  transitive closure to be loaded by using `loadExternalGraphBelow`.
  
  The primary advantage (for now) is that the transitive dependency
  calculation does not have to be repeated in getLinkDeps. If your module
  had many dependencies and many splices, performing this calculation at
  every splice site took a significant amount of time.
  
  We might also want to use this module graph in future for considering
  questions such as reachability of rules or accessibilty of instance
  imported by levelled imported.
  
  This patch removes another place in the compiler where transitive
  dependency is calculated in an ad-hoc manner. In general, the transitive
  dependency calculation should be cached and computed using a ModuleGraph
  abstraction.
  
  The transitive dependency query required by getLinkDeps operates on a
  graph without hs-boot nodes. If a linkable from a module in a loop is
  needed, then all modules in the loop are necessary to be available to
  execute that module. Therefore there is a query in `ModuleGraph` and
  `ExternalModuleGraph` which allows a transitive closure query to be
  performed on a graph without loops.
  
  Fixes #25634
  
  -------------------------
  Metric Decrease:
      MultiLayerModulesTH_Make
      MultiLayerModulesTH_OneShot
  Metric Increase:
      mhu-perf
  -------------------------
  
  Co-authored-by: Rodrigo Mesquita <rodrigo.m.mesquita@gmail.com>
  

• b3c0acfc
  by Cheng Shao at 2025-01-20T11:53:10-05:00

  hie: fix hie.yaml to use default hie-bios script
  
  !13778 accidentally changed hie.yaml to use hie-bios.bat as the
  default hie-bios script, which completely breaks hie support on
  non-Windows platforms. This patch reverts that change.
  

• 595013d4
  by Ben Gamari at 2025-01-21T09:57:23-05:00

  compiler: Fix CPP guards around ghc_unique_counter64
  
  The `ghc_unique_counter64` symbol was introduced in the RTS in the
  64-bit unique refactor (!10568) which has been backported to %9.6.7 and
  %9.8.4. Update the CPP to reflect this.
  
  Fixes #25576.
  

• 09ee3247
  by Ryan Scott at 2025-01-21T09:58:00-05:00

  Fix :info pretty-printing of UNPACKed fields
  
  This patch:
  
  * Ensures that we do not pretty-print a field like `foo :: {-# UNPACK #-} !Int`
    as `foo :: ! {-# UNPACK -#} Int` (as we were doing before) when running the
    `:info` command.
  * Prevents coercions that arise from `UNPACK`ed fields (e.g., such as when one
    unpacks a newtype) from being printed in `:info` output unless `-dppr-debug`
    is enabled.
  
  Fixes #25651.
  

• 6b7ea592
  by Rodrigo Mesquita at 2025-01-21T16:10:35-05:00

  driver: Store the HomePackageTable in a mutable reference
  
  This commit refactors the HomePackageTable and HomeUnitGraph:
  
  (1) It fixes a quadratic-in-the-number-of-modules space leak in upsweep (#25511)
  
  (2) And it reworks these structures into their own modules to simplify
      the driver. The refactor is driven by the introduction of IO in the HPT
      interface, but is a bit more aggressive in simplifying the
      interfaces to enforce correct usage (ie to avoid performance
      pitfalls).
  
  Specifically:
  
  - The `HomeUnitGraph` (HUG) is now in `GHC.Unit.Home.Graph`
  - The `HomePackageTable` (HPT) is now in `GHC.Unit.Home.PackageTable`
      - The HPT now stores an `IORef` with the table of loaded home package modules.
      - The interface to the HPT now requires IO
      - The interface now enforces that the HPT is a datastructure that
        only grows
      - This is not enforced in the interface, but, clients of the HPT
        should never care about there being more or less entries in the
        HPT when these additional entries are not relevant to their result.
      - The exception to the invariant that the HPT is monotonically
        increasing is `restrictHpt`, a function which is called at a
        "barrier point" (during which there are no other threads
        inspecting or inserting in the HPT). The invariant can be
        temporarily broken at this point (currently, after upsweep).
        This is safe because a single thread holds control over the
        structure (thus the invariant being broken is never observed).
  
  The hug_var and associated structures in the driver, which aimed to
  improve memory usage in the driver by updating in place a HUG during
  upsweep, are no longer required as the HPT entries in the HUG are now
  themselves mutable by construction. This was previously explained in
  Note [ModuleNameSet, efficiency and space leaks], which is no longer
  relevant and was deleted.
  
  Fixes #25511
  
  Co-authored-by: Matthew Pickering <matthewtpickering@gmail.com>
  
  -------------------------
  Metric Decrease:
      MultiComponentModulesRecomp
      MultiLayerModulesRecomp
  -------------------------
  

• f983a00f
  by Jens Petersen at 2025-01-21T16:11:12-05:00

  hp2ps/Utilities.c: add extern parameter types for malloc and realloc for C23
  
  Fix build with gcc-15 which defaults to C23 standard (-std=gnu23)
  Fixes #25662
  ```
  utils/hp2ps/Utilities.c:6:14: error:
       warning: conflicting types for built-in function ‘malloc’; expected ‘void *(long unsigned int)’ [-Wbuiltin-declaration-mismatch]
          6 | extern void* malloc();
            |              ^~~~~~
    |
  6 | extern void* malloc();
    |              ^
  utils/hp2ps/Utilities.c:5:1: error:
       note: ‘malloc’ is declared in header ‘<stdlib.h>’
          4 | #include "Error.h"
        +++ |+#include <stdlib.h>
          5 | 
    |
  5 | 
    | ^
  utils/hp2ps/Utilities.c: In function ‘xmalloc’:
  utils/hp2ps/Utilities.c:80:17: error:
       error: too many arguments to function ‘malloc’; expected 0, have 1
         80 |     r = (void*) malloc(n);
            |                 ^~~~~~ ~
     |
  80 |     r = (void*) malloc(n);
     |                 ^
  utils/hp2ps/Utilities.c:6:14: error:
       note: declared here
          6 | extern void* malloc();
            |              ^~~~~~
    |
  6 | extern void* malloc();
    |              ^
  utils/hp2ps/Utilities.c: In function ‘xrealloc’:
  utils/hp2ps/Utilities.c:92:18: error:
       warning: conflicting types for built-in function ‘realloc’; expected ‘void *(void *, long unsigned int)’ [-Wbuiltin-declaration-mismatch]
         92 |     extern void *realloc();
            |                  ^~~~~~~
     |
  92 |     extern void *realloc();
     |                  ^
  utils/hp2ps/Utilities.c:92:18: error:
       note: ‘realloc’ is declared in header ‘<stdlib.h>’
     |
  92 |     extern void *realloc();
     |                  ^
  utils/hp2ps/Utilities.c:94:9: error:
       error: too many arguments to function ‘realloc’; expected 0, have 2
         94 |     r = realloc(p, n);
            |         ^~~~~~~ ~
     |
  94 |     r = realloc(p, n);
     |         ^
  utils/hp2ps/Utilities.c:92:18: error:
       note: declared here
         92 |     extern void *realloc();
            |                  ^~~~~~~
     |
  92 |     extern void *realloc();
     |                  ^
  ```

• 51e3ec83
  by Vladislav Zavialov at 2025-01-22T20:41:32+03:00

  Rework built-in and punned names (#25174, #25179, #25180, #25182)
  
  This patch rewrites part of the logic for dealing with built-in and
  punned names, making it more principled and fixing a few bugs.
  
  * Kill off filterCTuple. Its purpose was to improve pretty-printing of
    constraint tuples, and the appropriate place for this is namePun_maybe.
  
  * Remove unitTyCon, unboxedUnitTyCon, and soloTyCon from wiredInTyCons.
    Their inclusion in the list was a workaround for shoddy logic in
    lookupOrigNameCache. Now we treat tuples of all arities uniformly.
  
  * In isBuiltInOcc_maybe, only match on actual built-in syntax, e.g. "FUN"
    shouldn't be there (#25174). Also take ListTuplePuns into account (#25179).
  
  * When matching OccNames, use the ShortByteString directly to avoid
    potentially costly conversions to ByteString and String.
  
  * Introduce isInfiniteFamilyOrigName_maybe, a purpose-built helper for
    looking up tuples/sums in the OrigNameCache. This clears up the previously
    convoluted relation between the orig name cache and built-in syntax.
  
  * Reuse isKnownOrigName_maybe to eliminate the need for isPunOcc_maybe.
  
  * Classify MkSolo and MkSolo# as UserSyntax, thus fixing whole-module
    reexports (#25182).
  
  * Teach valid-hole-fits about tuples, unboxed tuples, and unboxed sums,
    up to a certain arity (#25180).
  
  * Drop the unnecessary special case for unary constraint tuples in the
    type checker (finish_tuple). It was a workaround for the lack of CSolo.
  
  * Update Notes and other comments, add tests.
  

• 85c60aea
  by Teo Camarasu at 2025-01-23T18:06:21-05:00

  doc: Add documentation for -XDoAndIfThenElse
  
  Resolves #18631
  
  Co-authored-by: Richard Eisenberg <rae@cs.brynmawr.edu>
  

• 4495e48f
  by Brandon Chinn at 2025-01-24T11:54:24-05:00

  Break out GHC.Parser.Lexer.Interface
  

• 4f8fc11e
  by Brandon Chinn at 2025-01-24T11:54:24-05:00

  Fix lexing comments in multiline strings (#25609)
  
  Metric Decrease:
      MultiLayerModulesRecomp
      parsing001
  

• e7ab778f
  by Matthew Pickering at 2025-01-24T11:55:01-05:00

  testsuite: Pass TEST_HC_OPTS to many more tests
  
  This passes `-dno-debug-output` to the test and `-dlint.
  

• c3593101
  by Sylvain Henry at 2025-01-24T23:12:20-05:00

  Merge ghc-prim's modules into ghc-internal (#24453)
  
  ghc-internal becomes the only wired-in package exposing primitives.
  
  There are some minor GHC allocation regressions, but they barely cross
  the thresholds and only with the wasm backend. They're likely due to
  longer symbols (ghc-internal vs ghc-prim, GHC.Internal.X vs GHC.X).
  
  Metric Increase:
      T13035
      T1969
      T4801
      T9961
  

• 70f7741a
  by Jens Petersen at 2025-01-24T23:12:58-05:00

  hp2ps/Utilities.c: add extern parameter types for malloc and realloc for C23
  
  use portable C types!
  

• a1d92378
  by Brandon Chinn at 2025-01-25T15:11:54-08:00

  Fix for alex-3.5.2.0 (#25623)
  
  This INLINE pragma for alexScanUser was added in 9.12, but then I
  ported the change to alex in 3.5.2.0
  (https://github.com/haskell/alex/pull/262).
  
  I didn't realize that GHC errors on duplicate INLINE pragmas, so
  this ended up being a breaking change.
  
  This change should be backported into 9.12
  

• 62760367
  by ARATA Mizuki at 2025-01-27T16:23:06-05:00

  x86 NCG: Make MOVD's output format explicit
  
  The old design led to inference of a wrong format,
  losing upper bits of a vector register.
  
  Fixes #25659
  
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  

• f19ab490
  by Simon Hengel at 2025-01-27T16:23:45-05:00

  doc: Correct JSON schema for `-fdiagnostics-as-json` (fixes #25393)
  

• e16eae65
  by Cheng Shao at 2025-01-27T21:41:39+00:00

  hadrian: fix bootstrap with 9.12.1
  
  This patch bumps hadrian index-state to fix bootstrap with 9.12.1.
  

• 8071bad8
  by Jeffrey Young at 2025-01-28T21:45:32-05:00

  base: add SrcLoc changes to changelog, 4.21.0.0
  
  I accidentally dropped this in !13381
  
  - closes #25614
  
  See:
  
  - ea4587794b9e3a098f9c02bd6cea2294af2539ce  (the 13381 commit)
  - Issue #25614
  

• 9dcc7e28
  by M Farkas-Dyck at 2025-01-29T02:27:48-05:00

  Rename `cloneBndrs` and such — now all the monadic ones have an `M` suffix.
  
  We now have `cloneBndrs` and `cloneRecIdBndrs` which take a `UniqSupply` argument, and `cloneBndrsM` and `cloneRecIdBndrsM` which rather have a `MonadUnique` constraint.
  

• 643dd3d8
  by Matthew Farkas-Dyck at 2025-01-29T02:27:48-05:00

  Use `Infinite` in unique generation, and clean up some other partial uni patterns as well.
  
  Also drop the losing `instance MonadFail UniqSM`.
  
  We redefine `getUniquesM` in terms of `Infinite` rather than `[]`, and define another method `getUniqueListM` for the use sites where we actually want a `[]`.
  Thus, at many sites, we can avoid the partiality of the empty list case.
  
  We also define `withUniques`, `withUniquesM`, and `withUniquesM'`, which traverse an arbitrary `Traversable` structure and introduce a `Unique` for each element.
  This allows us to redefine various functions to operate on more appropriate types than `[]` and avoid further partiality (in the form of incomplete-uni-patterns).
  

• dd0acc3c
  by M Farkas-Dyck at 2025-01-29T02:27:48-05:00

  Use `Infinite` in `GHC.Tc.Deriv.Functor`.
  
  Make the list of variables to use in generated code `Infinite`, to avoid panicking on the (now impossible) empty list case.
  

• 4e9adedf
  by M Farkas-Dyck at 2025-01-29T02:27:48-05:00

  Use `Infinite` in `GHC.Runtime.Debugger`.
  
  Make the list of available names `Infinite`, to avoid panicking on the (now impossible) empty list case.
  

• bed812b7
  by M Farkas-Dyck at 2025-01-29T02:27:48-05:00

  Avoid incomplete-uni-patterns in `GHC.Cmm.DebugBlock`.
  
  We do so by changing the type of `BlockContext` to statically (in GHC) exclude the possibility of Cmm statics, and using `NonEmpty` lists of `BlockContext`s in `cmmDebugGen`.
  

• 27587df3
  by M Farkas-Dyck at 2025-01-29T02:27:48-05:00

  Avoid incomplete-uni-patterns in `GHC.Types.Literal`.
  
  We do so by introducing `mkLitNumberWrap'` whose ultimate codomain is `Integer` rather than `Literal`, and then use that rather than `mkLitNumberWrap` where we just need the number rather than the `Literal`.
  

• 138de0ff
  by M Farkas-Dyck at 2025-01-29T02:27:48-05:00

  Avoid incomplete-uni-patterns in `GHC.CmmToAsm.X86.CodeGen`.
  
  - Match the vector element list only once in `shuffleInstructions`.
  - Define `isSuitableFloatingPointLit_maybe` which returns `Just` the width if the lit is indeed suitable.
  

• d8cb3d36
  by M Farkas-Dyck at 2025-01-29T02:27:48-05:00

  Clean up more incomplete uni patterns.
  
  At some sites, we merely panic if the `[]` or `Maybe` is empty when we convert to `NonEmpty` or `Identity`, but at least now we make it explicit.
  
  At other sites, we are able to use more precise types and avoid the partiality altogether. To do so, we redefine various functions to operate over `Traversable` arguments, so we can use the appropriate shape where known.
  

• f251bd22
  by M Farkas-Dyck at 2025-01-29T02:27:48-05:00

  Outline `expectJustPanic`.
  

• a963a1a5
  by Marc Scholten at 2025-01-29T02:28:35-05:00

  base: Introduce Data.Enum.enumerate (CLC #306)
  
  https://github.com/haskell/core-libraries-committee/issues/306
  

• 944712da
  by Ben Gamari at 2025-01-29T02:29:13-05:00

  base: Update description of locking behavior

• 85abc69c
  by Ben Gamari at 2025-01-29T02:29:51-05:00

  base: Fix @since annotation of Data.Bounded
  
  Fixes #25615.
  

• 2ca41c62
  by Ben Gamari at 2025-01-29T02:30:29-05:00

  StgToByteCode: Fix overly-broad handling of Addr# literals
  
  Previously we assumed that all unlifted types were `Addr#` but this
  isn't true. As noted in #25638, unlifted nullary data constructor
  workers can also appear at the top-level and are obviously not of type
  `Addr#`.
  
  Note that there is more work to be done to properly handle unlifted data
  constructors (especially nullary; see #25636). However, this is a small
  step in the right direction.
  
  Closes #25641.
  

• ec26c54d
  by Ben Gamari at 2025-01-29T02:30:29-05:00

  StgToByteCode: Assert that PUSH_G'd values are lifted
  
  We currently do not support top-level unlifted data constructor applications,
  therefore this is a safe assertion.
  
  Pointed out by @sheaf.

• 8847125f
  by Ben Gamari at 2025-01-29T02:31:07-05:00

  gitlab-ci: Run test-primops testsuite in ~"full-ci" pipeline
  
  Closes #25654.
  

• bf8c7d6e
  by Matthew Pickering at 2025-01-29T02:31:44-05:00

  bytecode: Do not generate `SLIDE x 0` instructions
  
  SLIDE x 0 is a no-op as it means to shift x elements of the stack by no
  spaces. In the interpreter, this results in a loop which copies an array
  element into the same place.
  
  I have instrumented GHCi to count how many of these instructions are interpreted.
  The workload was `ghc` compiling two simple modules.
  
  Total no-op slides: 7793476
  Total slides: 11413289
  Percentage useless (slides): 68%
  Percentage uselss of total instructions: 9%
  

• 7bfc93a7
  by Zubin Duggal at 2025-01-29T21:41:17-05:00

  hackage-doc-tarball: Allow ghc-boot-th to be uploaded to hackage
  
  It can't refer to files outside its source directory, so patch that part out.
  This is OK because those files are only used while bootstrapping.
  
  Also add ghci to the list of packages to be uploaded
  
  Fixes #25687
  

• 704eeb02
  by Roman S at 2025-01-29T21:42:05-05:00

  Fix Control.Arrow (***) diagram (fixes #25698)

• 662645f0
  by Matthew Pickering at 2025-02-03T11:44:41-05:00

  compiler: Always load GHC.Data.FastString optimised into GHCi
  
  The FastString table is shared between the boot compiler and interpreted
  compiler. Therefore it's very important the representation of
  `FastString` matches in both cases. Otherwise, the interpreter will read
  a FastString from the shared variable but place the fields in the wrong
  place which leads to segfaults.
  
  Ideally this state would not be shared, but for now we can always
  compile both with `-O2` and this leads to a working interpreter.
  

• 05e5785a
  by Peter Trommler at 2025-02-03T11:45:17-05:00

  RTS: Fix compile on powerpc64 ELF v1
  
  Cabal does not know about the different ABIs for powerpc64 and compiles
  StgCRunAsm.S unconditionally. The old make-based build system excluded
  this file from the build and it was OK to signal an error when it was
  compiled accidentally.
  
  With this patch we compile StgCRunAsm.S to an empty file, which fixes
  the build.
  
  Fixes #25700
  

• cbbb64fb
  by Matthew Pickering at 2025-02-03T23:40:33-05:00

  interpreter: Always print unit and module name in BCO_NAME instruction
  
  Currently the BCO_Name instruction is a bit difficult to use since the
  names are not qualified by the module they come from. When you have a
  very generic name such as "wildX4", it becomes impossible to work out
  which module the identifier comes from.
  
  Fixes #25694
  

• 764a43ac
  by Ben Gamari at 2025-02-03T23:41:10-05:00

  upload-ghc-libs: Drop more references to ghc-internal from ghc-boot-th
  
  
  (cherry picked from commit afec4b75c2d0e9f5c462a86d9f3697acf30355c7)
  
  Co-authored-by: Ben Gamari <bgamari.foss@gmail.com>

• 9a59b026
  by Ben Gamari at 2025-02-04T10:00:18-05:00

  gitlab-ci: Don't use .full-ci to run test-primops
  
  test-primops depends upon the existence of validate jobs, yet these do
  not exist in the context of nightly jobs, which .full-ci includes.
  

• 7cc08550
  by Ben Gamari at 2025-02-04T18:34:49-05:00

  CorePrep: Name `sat` binders more descriptively
  

• fb40981d
  by Ben Gamari at 2025-02-04T18:35:26-05:00

  ghc-toolchain: Parse i686 triples
  
  This is a moniker used for later 32-bit x86 implementations
  (Pentium Pro and later).
  
  Fixes #25691.
  

• 02794411
  by Cheng Shao at 2025-02-04T18:36:03-05:00

  compiler: remove unused assembleOneBCO function
  
  This patch removes the unused assembleOneBCO function from the
  bytecode assembler.
  

• db19c8a9
  by Matthew Pickering at 2025-02-05T23:16:50-05:00

  perf: Replace uses of genericLength with strictGenericLength
  
  genericLength is a recursive function and marked NOINLINE. It is not
  going to specialise. In profiles, it can be seen that 3% of total compilation
  time when computing bytecode is spend calling this non-specialised
  function.
  
  In addition, we can simplify `addListToSS` to avoid traversing the input
  list twice and also allocating an intermediate list (after the call to
  reverse).
  
  Overall these changes reduce the time spend in 'assembleBCOs' from 5.61s
  to 3.88s. Allocations drop from 8GB to 5.3G.
  
  Fixes #25706
  

• 5622a14a
  by Matthew Pickering at 2025-02-05T23:17:27-05:00

  perf: nameToCLabel: Directly manipulate ByteString rather than going via strings
  
  `nameToCLabel` is called from `lookupHsSymbol` many times during
  bytecode linking. We can save a lot of allocations and time by directly
  manipulating the bytestrings rather than going via intermediate lists.
  
  Before: 2GB allocation, 1.11s
  After: 260MB allocation, 375ms
  
  Fixes #25719
  
  -------------------------
  Metric Decrease:
      MultiLayerModulesTH_OneShot
  -------------------------
  

• 66c7f656
  by Matthew Pickering at 2025-02-06T17:15:25-05:00

  interpreter: Fix INTERP_STATS profiling code
  
  The profiling code had slightly bitrotted since the last time it was
  used. This just fixes things so that if you toggle the INTERP_STATS
  macro then it just works and prints out the stats.
  
  Fixes #25695
  

• f71c2835
  by Matthew Pickering at 2025-02-06T17:16:02-05:00

  perf: Key the interpreter symbol cache by Name rather than FastString
  
  Profiles showed that about 0.2s was being spend constructing the keys
  before looking up values in the old symbol cache.
  
  The performance of this codepath is critical as it translates directly
  to a delay when a user evaluates a function like `main` in the
  interpreter.
  
  Therefore we implement a solution which keys the cache(s) by `Name`
  rather than the symbol directly, so the cache can be consulted before
  the symbol is constructed.
  
  Fixes #25731
  

• 8f8d3a90
  by Ben Gamari at 2025-02-08T01:17:28-05:00

  base: Label threads forked by IO operations
  
  Addresses part of #25452.
  
  Addresses core-libraries-committee#305.
  

• 28600825
  by Ben Gamari at 2025-02-08T01:17:28-05:00

  base: Label threads forked by System.Timeout
  
  Addresses part of #25452.
  
  Addresses core-libraries-committee#305.
  

• 8a249827
  by Ben Gamari at 2025-02-08T01:17:28-05:00

  base: Label signal handling threads
  
  Addresses part of #25452.
  
  Addresses core-libraries-committee#305.
  

• 26af26f0
  by Ben Gamari at 2025-02-08T01:17:28-05:00

  base: Label Windows console event handling threads
  
  Addresses part of #25452.
  
  Addresses core-libraries-committee#305.
  

• bf9c3d4f
  by Ben Gamari at 2025-02-08T01:17:28-05:00

  ghci: Label evaluation sandbox thread
  
  Addresses part of #25452.
  
  Addresses core-libraries-committee#305.
  

• 38f78ce5
  by Ben Gamari at 2025-02-08T01:17:28-05:00

  base: Add changelog entry for addition of thread labels
  
  Addresses #25452.
  
  Addresses core-libraries-committee#305.
  

• c100deb5
  by Ben Gamari at 2025-02-08T01:18:05-05:00

  gen-ci: Clean up style
  
  This cleans up a number of stylistic inconsistencies although it's still
  far from perfect.
  

• c4a7680a
  by Ben Gamari at 2025-02-08T01:18:05-05:00

  gen-ci: Properly encapsulate GitLab predicates
  

• 52b6539b
  by M Farkas-Dyck at 2025-02-08T11:34:51-08:00

  Avoid partiality in `Language.Haskell.Syntax.Expr`, `GHC.Hs.Expr`, `GHC.Rename.Expr`, etc.
  
  In particular, use `NonEmpty` where appropriate:
  - the argument of `FieldLabelString`
  - the argument of `HsMultiIf`
  - `grhssGRHSs`
  
  Decreases overall compile-time allocation by about 0.1% in the benchmark suite (min -0.8%, max +0.3%).
  
  Metric Decrease:
      T3294
  

• a566da92
  by Ben Gamari at 2025-02-10T03:21:49-05:00

  gitlab-ci: Bump docker images
  
  Closes #25693.
  

• a7e23f01
  by Ben Gamari at 2025-02-10T03:21:49-05:00

  hadrian: Drop uses of head/tail
  
  To silence warnings with GHC 9.10
  

• 12752f0c
  by Ben Gamari at 2025-02-10T03:21:49-05:00

  hadrian: Disable x-data-list-nonempty-unzip warning
  

• e22a14fc
  by Simon Peyton Jones at 2025-02-11T16:21:10+00:00

  Deal correctly with Given CallStack constraints
  
  As #25675 showed, the CallStack solving mechanism was failing
  to account for Given CallStack constraints.
  
  This small patch fixes it and improves the Notes.
  
  Small improvement to GHCi debugger output in break011, break024,
  which is discussed on the MR !13883
  

• db3e810f
  by Simon Peyton Jones at 2025-02-12T09:12:30-05:00

  Fix inlineBoringOk again
  
  This MR fixes #25713, which turned out to be a consequence of not
  completing #17182.
  
  I think I have now gotten it right.  See the new
    Note [inlineBoringOk]
  

• ef0e6cfc
  by Ben Gamari at 2025-02-17T19:20:09-05:00

  testsuite: Mark T23071 and T2047 as fragile on FreeBSD
  
  These inexplicably fail on FreeBSD on CI. Sadly I am unable to reproduce
  this locally but regardless this is holding up Marge so I will mark them
  as fragile for now.
  
  Addresses #25751.
  

• 7596675e
  by Jens Petersen at 2025-02-18T08:53:08-05:00

  hp2ps Utilities.c: include stdlib.h instead of extern malloc and realloc
  

• 975d932c
  by Rodrigo Mesquita at 2025-02-18T08:53:45-05:00

  Inline join points for rhs without free vars
  
  While investigating #25170, we ran into a program (T16473) that allocated 67%
  more because of a join point that failed to inline.
  
  Note [Duplicating join points] explains why we want to be conservative
  when inlining join points, using as an example a join point that
  captures a free variable `f` that becomes available in the continuation
  `blah` for further optimisations, as opposed to being lambda-abstracted.
  
  However, when the RHS of the join point has no free variables and is
  trivial, the same argument does not apply, and there's nothing to gain
  from preserving it.
  
  On the contrary, not inlining these trivial join points such as
      $j f x = K f x |> co
  can be actively harmful as they prevent useful optimisations from firing
  on the known constructor application. #25723 is such an example.
  
  Therefore, we've extended `uncondInlineJoin` to allow duplicating such closed
  trivial join points. See the updated Note [Duplicating join points] for
  further details.
  
  Additionally, merge the guards in uncondInlineJoin for point DJ3(b) anad DJ3(c) of
  Note [Duplicating join points] to avoid an unnecessary traversal in the
  call to `collectArgs`; it's also more uniform.
  
  Co-authored-by: Simon Peyton Jones <simon.peytonjones@gmail.com>
  
  Fixes #25723
  

• 78de1a55
  by M Farkas-Dyck at 2025-02-18T08:54:31-05:00

  Scrub some partiality in `GHC.Tc.Gen.Match`.
  
  In particular, we construct a list of the same length as another list, then loop over both and panic if their lengths are unequal. We can avoid this.
  

• 1dfe9325
  by M Farkas-Dyck at 2025-02-18T08:54:31-05:00

  Make list of `ParStmtBlock` in `ParStmt` `NonEmpty`.
  
  In the ParStmt constructor Language.Haskell.Syntax.Expr.StmtLR, the 2nd argument, the list of ParStmtBlocks, must be NonEmpty; make it so.
  

• 0e3575b5
  by M Farkas-Dyck at 2025-02-18T08:54:31-05:00

  GHC.Tc.Gen.Match: Added type signatures for `loop` functions.
  

• c9ffcfee
  by sternenseemann at 2025-02-18T08:55:14-05:00

  GHC: fix reference to function in Note [Target code interpreter]
  
  As far as I could tell, setSessionDynFlags doesn't deal with hsc_interp.
  Also added a backreference so this will be updated in the future.
  

• ab77fc8c
  by sheaf at 2025-02-18T08:55:57-05:00

  Account for skolem escape in mightEqualLater
  
  This commit:
  
    1. Refactors checkTyEqRhs to allow it be called in pure contexts,
       which means it skips doing any on-the-fly promotion.
    2. Calls checkTyEqRhs in mightEqualLater to check whether it a
       MetaTv can unify with a RHS or whether that would cause e.g.
       skolem escape errors or concreteness errors.
  
  Fixes #25744
  

• cb8a06a4
  by Sylvain Henry at 2025-02-18T08:56:52-05:00

  Remove a bunch of Makefiles from old build system
  

• e12d6b39
  by M Farkas-Dyck at 2025-02-18T08:57:37-05:00

  Totalize `GHC.HsToCore.Match.matchWrappers.initNablasGRHSs`.
  
  Converting from `NonEmpty` to `[]` and back is totally needless.
  

• cd2be3be
  by Matthew Pickering at 2025-02-18T08:58:14-05:00

  interpreter: Always print uniques for BCO_NAME labels
  
  In the previous commit I omitted to include the unique, which still
  makes it very difficult to trace back where the BCO came from.
  

• c4e112fc
  by Matthew Pickering at 2025-02-18T08:58:51-05:00

  interpreter: Fix overflows and reentrancy in statistics calculation
  
  1. Use unsigned long for counter, as they can easily overflow if you are
     running a long benchmark.
  2. Make interp_shutdown reentrant by copying the command frequency table
     into an array.
  
  Fixes #25756
  

• 70ac6222
  by M Farkas-Dyck at 2025-02-18T14:22:06-08:00

  Use `Foldable1` where appropriate, avoiding much needless panicking.
  
  In some cases, where not readily feasible to modify code to use `NonEmpty`, merely use `expectNonEmpty` to make explicit we are panicking if we have an empty list.
  

• a3f0a506
  by Sylvain Henry at 2025-02-19T05:27:30-05:00

  Testsuite: fix deprecation warning
  
  > DeprecationWarning: 'count' is passed as positional argument
  

• ef5470a2
  by Ben Gamari at 2025-02-19T16:30:53+00:00

  Cmm/Parser: Add surface syntax for Mul2 MachOps
  
  These are otherwise very hard to test in isolation.
  

• 59b9307b
  by Cheng Shao at 2025-02-19T20:24:40-05:00

  testsuite: fix InternalCounters test with +debug_ghc
  
  The `InternalCounters` test case fails when ghc is built with
  `+debug_ghc`. This patch skips it in that case and allows the
  testsuite to pass for the `+debug_ghc` flavour transformer.
  

• aa69187d
  by M Farkas-Dyck at 2025-02-19T20:25:31-05:00

  Scrub a use of `head` in `GHC.Driver.Make.downsweep_imports.checkDuplicates`.
  

• 1c8e608a
  by Cheng Shao at 2025-02-21T20:18:41-05:00

  compiler: use fromAscList when applicable
  
  This patch uses fromAscList (with O(n) complexity) instead of fromList
  (with O(nlogn) complexity) in certain Binary instances. It's safe to
  do so since the corresponding serialization logic is based on toList
  (same as toAscList).
  

• 549e0aff
  by Ben Gamari at 2025-02-21T20:19:18-05:00

  rts/linker/MachO: Mark internal symbols as static
  
  There is no reason why these should have external linkage.
  

• fbf3d020
  by Cheng Shao at 2025-02-22T07:41:01-05:00

  wasm: bump dyld v8 heap size limit
  
  This patch sets `--max-old-space-size=65536` as wasm dyld shebang
  arguments to lessen v8 heap pressure in certain workloads that load
  the full ghc package. It doesn't really commit 64G memory but it does
  help reduce v8 gc overhead.
  

• cb60da24
  by Cheng Shao at 2025-02-22T07:41:01-05:00

  wasm: fix dyld for shared libraries created by llvm 20.x
  
  This patch fixes wasm dyld script for shared libraries created by llvm
  20.x. The __wasm_apply_data_relocs function is now optional and may be
  omitted for shared libraries without any runtime relocatable data
  segments, so only call __wasm_apply_data_relocs when it's present.
  

• 7eea38c8
  by Cheng Shao at 2025-02-22T07:41:37-05:00

  driver: fix wasm backend sysroot lookup logic when -flto is passed
  
  For the wasm target, the driver calls `wasm32-wasi-clang
  --print-search-dirs` and finds the sysroot directory that contains
  libc.so etc, then passes the directory path to dyld. However, when GHC
  is configured with -flto as a part of C/C++ compiler flags, the clang
  driver would insert a llvm-lto specific directory in the
  --print-search-dirs output and the driver didn't take that into
  account. This patch fixes it and always selects the non-lto sysroot
  directory to be passed to dyld. This is one small step towards
  supporting building all cbits with lto for wasm.
  

• f3bfe31e
  by Cheng Shao at 2025-02-23T14:06:25-05:00

  wasm: add Note [Variable passing in JSFFI] as !13583 follow up
  
  This patch adds a note to explain how the magic variables like
  `__ghc_wasm_jsffi_dyld` are brought into scope of JSFFI code snippets,
  as follow up work of !13583.
  

• c318be56
  by Cheng Shao at 2025-02-23T14:07:02-05:00

  libffi: update to 3.4.7
  
  Bumps libffi submodule.
  

• 33aca30f
  by sheaf at 2025-02-25T08:58:46-05:00

  LLVM: account for register type in funPrologue
  
  We were not properly accounting for the live register type of
  global registers in GHC.CmmToLlvm.CodeGen.funPrologue. This meant that
  we could allocated a register at type <4 x i32> but try to write to it
  at type <8 x i16>, which LLVM doesn't much like.
  
  This patch fixes that by inserting intermerdiate casts when necessary.
  
  Fixes #25730
  

• 0eb58b0e
  by sheaf at 2025-02-25T08:59:29-05:00

  base: make Data.List.NonEmpty.unzip match Data.List
  
  This commit makes Data.List.NonEmpty.unzip match the implementation
  of Data.List, as was suggested in approved CLC proposal #107.
  

• f4da90f1
  by Matthew Pickering at 2025-02-25T14:11:21-05:00

  interpreter: Fix underflow frame lookups
  
  BCOs can be nested, resulting in nested BCO stack frames where the inner most
  stack frame can refer to variables stored on earlier stack frames via the
  PUSH_L instruction.
  
  |---------|
  |  BCO_1  | -<-┐
  |---------|
   .........     |
  |---------|    | PUSH_L <n>
  |  BCO_N  | ->-┘
  |---------|
  
  Here BCO_N is syntactically nested within the code for BCO_1 and will result
  in code that references the prior stack frame of BCO_1 for some of it's local
  variables. If a stack overflow happens between the creation of the stack frame
  for BCO_1 and BCO_N the RTS might move BCO_N to a new stack chunk while leaving
  BCO_1 in place, invalidating a simple offset based reference to the outer stack
  frames.
  Therefore `ReadSpW` first performs a bounds check to ensure that accesses onto
  the stack will succeed. If the target address would not be a valid location for
  the current stack chunk then `slow_spw` function is called, which dereferences
  the underflow frame to adjust the offset before performing the lookup.
  
                 ┌->--x   |  CHK_1  |
  |  CHK_2  |    |    |   |---------|
  |---------|    |    └-> |  BCO_1  |
  | UD_FLOW | -- x        |---------|
  |---------|    |
  | ......  |    |
  |---------|    | PUSH_L <n>
  |  BCO_ N | ->-┘
  |---------|
  
  Fixes #25750
  

• c3f2d284
  by Vladislav Zavialov at 2025-02-25T14:11:58-05:00

  Remove ArgPatBuilder
  
  ArgPatBuilder in Parser/PostProcess.hs became redundant with the
  introduction of InvisPat (36a75b80eb).
  
  This small refactoring removes it.
  

• 0f2241e9
  by sheaf at 2025-02-25T19:23:21-05:00

  Propagate long distance info to guarded let binds
  
  This commit ensures that we propagate the enclosing long distance
  information to let bindings inside guards, in order to get accurate
  pattern-match checking warnings, in particular incomplete record
  selector warnings.
  
  Example:
  
    data D = K0 | K1 { fld :: Int }
    f :: D -> Int
    f d@(K1 {})
      | let i = fld d
      = i
    f _ = 3
  
  We now correctly recognise that the field selector 'fld' cannot fail,
  due to the outer pattern match which guarantees that the value 'd' has
  the field 'fld'.
  
  Fixes #25749
  

• 64b0d4d0
  by Fangyi Zhou at 2025-02-25T19:24:07-05:00

  wasm: use primitive opcodes for fabs and sqrt
  
  - Add new `WasmInstr` constructor `WasmSqrt` for sqrt, corresponding to
    primitivie operations in wasm.
  - When lowering CallishMachOp, use `WasmAbs` and `WasmSqrt` for F32 and
    F64 fabs and sqrt.
  

• 272eaef0
  by Cheng Shao at 2025-02-25T19:24:43-05:00

  hadrian: enable building stage1 haddock for cross ghc
  
  This commit enables building stage1 haddock for cross ghc. Without
  this change, hadrian would panic with "Unknown program" error when
  building the _build/stage1/bin/cross-prefix-haddock program needed by
  the docs-haddock target, even if it only needs to copy from
  _build/stage0/bin/cross-prefix-haddock.
  

• a794e733
  by Cheng Shao at 2025-02-25T19:24:43-05:00

  hadrian: enable building docs for cross targets
  
  Hadrian used to omit the docs target as a part of binary-dist-dir for
  cross targets. This commit enables docs to be built as a part of cross
  bindists and it works just fine in CI.
  

• 6dba56e1
  by Cheng Shao at 2025-02-25T19:24:43-05:00

  ci: build haddock/sphinx-html for wasm jobs
  
  This commit enables building haddock & sphinx-html documentation for
  wasm targets. The docs are useful for end users and should be tested
  in CI.
  
  I've omitted pdf & manpage generation for the wasm target; I've never
  found the pdf version of docs to be useful, and the manpage only
  contains `ghc.1` where we really want `wasm32-wasi-ghc.1` but that
  should be a separate issue to fix.
  

• 2d6a63ab
  by Cheng Shao at 2025-02-25T19:25:20-05:00

  ghci: remove unused showBreakArray function
  
  GHCi.BreakArray.showBreakArray is not used anywhere, hence the
  housecleaning.
  

• b228fcb5
  by Cheng Shao at 2025-02-25T19:25:57-05:00

  ghc-heap: fix HalfWord incompatible Binary instances for cross GHC
  
  ghc-heap defines HalfWord as Word32/Word16 depending on host word
  size. For cross GHC with different host/target word sizes, the Binary
  instances are incompatible and breaks iserv serialization of any
  message type that involves HalfWord, breaking the ghci debugger. This
  patch fixes the issue and has been tested to fix ghci debugger
  functionality of the wasm backend. Fixes #25420 #25781.
  

• ec02f8c2
  by Rodrigo Mesquita at 2025-02-26T11:03:38-05:00

  ghci-debugger: display thunks provenance if avail
  
  Improves reporting on ghci breakpoints when IPE information is available
  by printing, next to the thunk, the source file and src span where the
  thunk originated.
  
  Closes #25746
  

• 6acaff2b
  by Vladislav Zavialov at 2025-02-26T11:04:15-05:00

  Tidy up error messages for TypeAbstractions
  
  1. Print the '@' symbol before invisible patterns and improve phrasing:
  
        T24557c.hs:8:4: error: [GHC-11983]
       -    Invisible type pattern pat is not allowed here
       +    Illegal invisible type pattern: @pat
       +    An invisible type pattern must occur in an argument position.
  
  2. Use a single error code for all type abstractions deemed illegal
     due to the TypeAbstractions extension being disabled.
  
     Before this change:
       * [GHC-78249] was used in function equations, lambdas
       * [GHC-17916] was used in constructor patterns
  
     After this change:
       * [GHC-78249] is used to report all illegal type abstractions
       * [GHC-17916] is no longer used
  
     There was no reason for both error codes to exist and this distinction
     was a source of complexity in GHC/Tc/Errors/* and GHC/Rename/Pat.hs
  
  3. Group the different "invisible type pattern" error constructors
     under a single parent constructor, TcRnIllegalInvisibleTypePattern
     containing BadInvisPatReason
  

• 1ce9502e
  by Ben Gamari at 2025-02-27T04:48:29-05:00

  haddock/doc: Drop version and release
  
  We currently have no way of keeping this up-to-date with the project version

• 7f358f25
  by Matthew Pickering at 2025-02-27T04:49:06-05:00

  testsuite: Add test for :steplocal performance
  
  This adds a simple test which exercises #25779
  

• a6a3ffa6
  by Sven Tennie at 2025-02-27T23:34:47-05:00

  Do not deallocate stack for jump/switch table jumps
  
  Though the name is misleading, we consider them to be branching. For
  branch instructions we do not deallocate (parts of) the stack, but keep
  the stack pointer (sp) intact.
  

• 39e51ddb
  by Sven Tennie at 2025-02-27T23:34:47-05:00

  Add reproducer for dealloc instructions in switch table jump expressions (#25733)
  
  Measures taken to make the test stable:
  
  - Use 'a' as variable prefix, because X86 32bit stumbled over the
  variable name 'i386'
  - Flush stdout to make test output deterministic
  - Use type annotations to support 32bit archs
  

• d427df93
  by Sylvain Henry at 2025-02-27T23:35:30-05:00

  Remove redundant location strings in expectJust and friends (#25743)
  
  Now we can use HasDebugCallStack instead to avoid cluttering the code
  with strings and to avoid maintaining those strings (e.g. renaming them
  when functions are renamed...).
  

• 90f1190e
  by Ben Gamari at 2025-02-28T20:53:53-05:00

  compiler: Add export list to GHC.SysTools.Tasks
  

• ec826009
  by Ben Gamari at 2025-02-28T20:53:53-05:00

  compiler: Pass --target to llvm-as
  
  As noted in #25793, this is necessary due to potential ambiguity on
  Apple machines with Rosetta.
  

• 9c1647d1
  by Andreas Klebinger at 2025-02-28T20:54:30-05:00

  cmmMachOpFoldM: Add missing pattern matches for bitcasts.
  
  Fixes #25771
  

• 3b78e139
  by John Ericson at 2025-03-03T15:27:39-05:00

  Remove most of `GHC.Internal.Pack`
  
  Since bd82ac9f4716e28b185758ae514691d5a50c003f when `GHC.Pack` was
  deleted, it is no longer used except for one function by the RTS.
  

• b4fe0850
  by Rodrigo Mesquita at 2025-03-03T15:28:16-05:00

  ghci: Don't set virtualCWD on every iteration
  
  The calls to withVirtualCWD were introduced to fix #2973, but this bug
  is no longer reproducible, even when `withVirtualCWD` is dropped.
  
  This cleanup was originally motivated by the performance of :steplocal,
  but the performance problem has now been fixed at its root in the next
  commit.
  
  Even then, `withVirtualCWD` seems to now be an unnecessary artifact, and
  removing it simplifies the interpreter with no apparent drawbacks (testsuite is
  also happy with this change)
  

• 73ba1e6e
  by Rodrigo Mesquita at 2025-03-03T15:28:16-05:00

  ghci debugger: improve break/resume control flow
  
  After interpreting bytecode (`evalStmt`), we may want to hand off
  control to "GHCi.UI" in order to display an interactive break prompt:
  
  1. When an /active/ breakpoint (one set with :break ...) is hit
  2. At any breakpoint, when using :step from a breakpoint
  3. At any breakpoint in the same function f, when :steplocal is called
    from a breakpoint in f
  4. At any breakpoint in the same module, when :stepmodule is used
  
  Whether to pass control to the UI is now fully determined by
  `handleRunStatus` which transforms an `EvalStatus_` into an
  `ExecResult`. When `ExecBreak` is returned from `handleRunStatus` to
  GHCi, it always means GHCi breaks.
  
  `handleRunStatus` determines whether to loop and resume evaluation right away, or
  when to return to GHCi (by returning `ExecBreak` or `ExecComplete`).
  - (1) is queried using the `BreakpointStatus` message (the
    `breakpointStatus` call)
  - (2,3,4) are determined by the predicate `breakHere step span`, which
    inspects the improved `SingleStep` type to determine whether we care
    about this breakpoint even if it is not active.
  
  This refactor solves two big performance problems with the previous control flow:
  - We no longer call `withArgs/withProgram` repeatedly in the
    break/resume loop, but rather just once "at the top".
  - We now avoid computing the expensive `bindLocalsAtBreakpoint` for
    breakpoints we'd never inspect.
  
  In the interpreter_steplocal test added, calling `:steplocal` after breaking on `main = fib 25`
  now takes 12 seconds rather than 49 seconds on my machine.
  
  ```
  interpreter_steplocal(ghci) ghc/alloc  6,124,821,176    540,181,392 -91.2% GOOD
  ```
  
  Fixes #25779
  
  -------------------------
  Metric Decrease:
      interpreter_steplocal
  -------------------------
  

• c78d8f55
  by Cheng Shao at 2025-03-03T20:54:41+00:00

  rts: fix top handler closure type signatures
  
  This commit fixes the runIO/runNonIO closure type signatures in the
  RTS which should be extern StgClosure. This allows us to remove an
  unnecessary type cast in the C foreign desugaring logic, as well as
  unneeded complications of JSFFI desugaring logic that also needs to
  generate C stubs that may refer to those top handler closures.
  Otherwise, we'll have to take special care to avoid generating "extern
  StgClosure" declarations for them as we would for other closures, just
  to avoid conflicting type signature error at stub compile time.
  

• a204df3a
  by Cheng Shao at 2025-03-03T20:54:41+00:00

  compiler: allow arbitrary label string for JSFFI exports
  
  This commit allows arbitrary label string to appear in a foreign
  export declaration, as long as the calling convention is javascript.
  Well, doesn't make sense to enforce it's a C function symbol for a
  JSFFI declaration anyway, and it gets in the way of implementing the
  "sync" flavour of exports.
  

• 03ebab52
  by Cheng Shao at 2025-03-03T20:54:41+00:00

  compiler: wasm backend JSFFI sync exports
  
  This commit implements the synchronous flavour of the wasm backend
  JSFFI exports:
  
  - `foreign export javascript "foo sync"` exports a top-level Haskell
    binding as a synchronous JS function
  - `foreign import javascript "wrapper sync"` dynamically exports a
    Haskell function closure as a synchronous JS function
  - `foreign import javascript unsafe` is now re-entrant by lowering to
    a safe ccall
  - Also fix the issue that JSFFI dynamic exports didn't really work in
    TH & ghci (#25473)
  

• b6ae908b
  by Cheng Shao at 2025-03-03T20:54:41+00:00

  testsuite: test wasm backend JSFFI sync exports
  
  This commit repurposes some existing JSFFI test cases to make them
  cover JSFFI sync exports as well.
  

• edae2874
  by Cheng Shao at 2025-03-03T20:54:41+00:00

  docs: document wasm backend JSFFI sync exports
  
  This commit updates wasm backend documentation to reflect the new
  JSFFI sync exports feature.
  

• 9b54eecb
  by Cheng Shao at 2025-03-03T20:56:21+00:00

  wasm: add error message to WouldBlockException
  
  This commit attaches an error message to WouldBlockException, for now
  the error message consists of the JS async import code snippet that
  thunk is trying to block for. This is useful for debugging synchronous
  callbacks that accidentally call an async JS function.
  

• c331eebf
  by Cheng Shao at 2025-03-04T09:11:45-05:00

  compiler: avoid overwriting existing writers in putWithTables
  
  This patch makes `putWithTables` avoid overwriting all existing
  UserData writers in the handle. This is crucial for GHC API users that
  use putWithUserData/getWithUserData for serialization logic that
  involve Names.
  

• e9b7802b
  by Matthew Pickering at 2025-03-04T09:12:21-05:00

  ghci: Serialise mi_top_env
  
  When loading core from interface files (or from a bytecode object in
  future) it's important to store what the top-level context of a module
  is.
  Otherwise, when you load the module into GHCi from the interface files,
  only exported identifiers from the top-level module are in scope on the
  repl.
  
  See the added test which demonstrates what this enables.
  
  The context at the GHCi prompt is everything that's in-scope in the
  TopEnvIface module. Since TopEnvIface imports identifier "a", we can
  evaluate "a" in the repl.
  
  In addition to all this, we can use this information in order to
  implement reifyModule in a more principled manner.
  
  This becomes even more important when you're debugging and what to set
  break-points on functions which are not imported.
  

• 73e02068
  by Matthew Pickering at 2025-03-04T09:12:21-05:00

  Implement reifyModule in terms of mi_top_env
  
  mi_top_env provides precisely the information that reifyModule needs,
  the user written imports.
  
  This is important as it unblocks !9604 and #22188
  
  Fixes #8489
  

• 0a99825d
  by Ben Gamari at 2025-03-04T09:12:57-05:00

  hadrian: Refactor handling of test suite environment
  
  Previously we would set the environment variables used to run the
  testsuite driver using `setEnv` to set them in the Hadrian process.
  While looking into failures of a fix to #25752 I noticed this and took
  the opportunity to refactor.
  

• 7ca72844
  by Alan Zimmerman at 2025-03-04T09:13:34-05:00

  [EPA] Sync with the ghc-exactprint repo
  
  This brings it into line with the changes in
  https://hackage.haskell.org/package/ghc-exactprint-1.12.0.0
  
  But also keeps the latest changes from master.
  

• 8f6cc90c
  by Matthew Pickering at 2025-03-05T04:48:02-05:00

  perf: Speed up the bytecode assembler
  
  This commit contains a number of optimisations to the bytecode
  assembler. In programs which generate a large amount of bytecode, the
  assembler is called a lot of times on many instructions.
  
  1. Specialise the assembleI function for the two intepreters to avoid
  having to materialise the intermediate free-monad like structure.
  2. Directly compute the UArray and SmallArray needed rather than going
     via the intermediate SizedSeq
  3. Use optimised monads
  4. Define unrolled "any" and "mapM6" functions which can be inlined
     and avoid calling recursive functions.
  
  The resulting generated code is much more direct.
  
  Before:
  
  ./ByteCodeAsm /home/matt/ghc-profiling-light/_build/stage1/lib/ +RTS  -s
    48,923,125,664 bytes allocated in the heap
       678,221,152 bytes copied during GC
           395,648 bytes maximum residency (2 sample(s))
            50,040 bytes maximum slop
                 6 MiB total memory in use (0 MiB lost due to fragmentation)
  
                                       Tot time (elapsed)  Avg pause  Max pause
    Gen  0     11731 colls,     0 par    0.419s   0.425s     0.0000s    0.0004s
    Gen  1         2 colls,     0 par    0.001s   0.001s     0.0007s    0.0012s
  
    INIT    time    0.000s  (  0.000s elapsed)
    MUT     time    6.466s  (  6.484s elapsed)
    GC      time    0.421s  (  0.426s elapsed)
    EXIT    time    0.000s  (  0.000s elapsed)
    Total   time    6.887s  (  6.910s elapsed)
  
  After:
  
     1,518,321,200 bytes allocated in the heap
         4,299,552 bytes copied during GC
           322,288 bytes maximum residency (2 sample(s))
            50,280 bytes maximum slop
                 6 MiB total memory in use (0 MiB lost due to fragmentation)
  
                                       Tot time (elapsed)  Avg pause  Max pause
    Gen  0       369 colls,     0 par    0.003s   0.003s     0.0000s    0.0002s
    Gen  1         2 colls,     0 par    0.001s   0.001s     0.0007s    0.0012s
  
    INIT    time    0.001s  (  0.001s elapsed)
    MUT     time    0.465s  (  0.466s elapsed)
    GC      time    0.004s  (  0.004s elapsed)
    EXIT    time    0.000s  (  0.000s elapsed)
    Total   time    0.470s  (  0.471s elapsed)
  

• f2d43e11
  by Teo Camarasu at 2025-03-05T04:48:40-05:00

  ghc-boot-th: expose all TH packages from proper GHC.Boot.* modules
  
  Previously we defined some modules here in the GHC.Internal namespace.
  Others were merely re-exposed from GHC.Internal.
  
  Re-exposed modules weren't handled correctly by Haddock, so the
  Haddocks for the `template-haskell` library couldn't see them.
  This change also makes the home package of these modules a bit clearer.
  
  Work towards #25705
  

• 91ef82df
  by Teo Camarasu at 2025-03-05T04:48:40-05:00

  ghc-boot-th: fix synopsis formatting
  
  `@...@` syntax doesn't seem to work in synposes and is just kept by
  Haddock verbatim.
  

• eb9fe1ec
  by Brandon Chinn at 2025-03-05T04:49:17-05:00

  Collapse string gaps as \& (#25784)
  
  In 9.10, "\65\ \0" would result in "A0", but in 9.12, it results in
  "\650", due to the string refactoring I did in !13128. Previously, we
  were resolving escape codes and collapsing string gaps as we come across
  them, but after the refactor, string processing is broken out into
  phases, which is both more readable and useful for multiline strings.
  

• 8037f487
  by Cheng Shao at 2025-03-05T04:49:54-05:00

  ghc-experimental: make JSVal abstract in GHC.Wasm.Prim
  
  This commit makes JSVal an abstract type in the export list of
  GHC.Wasm.Prim. JSVal's internal representation is supposed to be a non
  user facing implementation detail subject to change at any time. We
  should only expose things that are newtypes of JSVal, not JSVal
  itself.
  

• 4f342431
  by Cheng Shao at 2025-03-05T04:49:54-05:00

  wasm: make JSVal internal Weak# point to lifted JSVal
  
  JSVal has an internal Weak# with the unlifted JSVal# object as key to
  arrange its builtin finalization logic. The Weak# used to designate
  Unit_closure as a dummy value; now this commit designates the lifted
  JSVal closure as the Weak# value. This allows the implementation of
  mkWeakJSVal which can be used to observe the liveliness of a JSVal and
  attach a user-specified finalizer.
  

• 55af20e6
  by Cheng Shao at 2025-03-05T04:49:54-05:00

  ghc-experimental: add mkWeakJSVal
  
  This commit adds a mkWeakJSVal function that can be used to set up a
  Weak pointer with a JSVal key to observe the key's lifetime and
  optionally attach a finalizer.
  

• 8273d7d1
  by Matthew Pickering at 2025-03-05T04:50:30-05:00

  simplifier: Zap Id unfoldings before constructing InScopeSet in simpleOptExpr
  
  Care must be taken to remove unfoldings from `Var`s collected by exprFreeVars
  before using them to construct an in-scope set hence `zapIdUnfolding` in `init_subst`.
  Consider calling `simpleOptExpr` on an expression like
  
  ```
   case x of (a,b) -> (x,a)
  ```
  
  * One of those two occurrences of x has an unfolding (the one in (x,a), with
  unfolding x = (a,b)) and the other does not. (Inside a case GHC adds
  unfolding-info to the scrutinee's Id.)
  * But exprFreeVars just builds a set, so it's a bit random which occurrence is collected.
  * Then simpleOptExpr replaces each occurrence of x with the one in the in-scope set.
  * Bad bad bad: then the x in  case x of ... may be replaced with a version that has an unfolding.
  
  Fixes #25790
  

• 07fe6d1d
  by Rodrigo Mesquita at 2025-03-05T04:51:07-05:00

  docs: Fix ghci :doc documentation
  
  Fixes #25799
  

• a510b861
  by Matthew Pickering at 2025-03-06T11:43:23+00:00

  Add flag to control whether self-recompilation information is written to interface
  
  This patch adds the flag -fwrite-if-self-recomp which controls whether
  interface files contain the information necessary to answer the
  question:
  
    Do I need to recompile myself or is this current interface file
    suitable?
  
  Why? Most packages are only built once either by a distribution or cabal
  and then placed into an immutable store, after which we will never ask
  this question. Therefore we can derive two benefits from omitting this
  information.
  
  * Primary motivation: It vastly reduces the surface area for creating
    non-deterministic interface files. See issue #10424 which motivated a
    proper fix to that issue. Distributions have long contained versions
    of GHC which just have broken self-recompilation checking (in order to
    get deterministic interface files).
  
  * Secondary motivation: This reduces the size of interface files
    slightly.. the `mi_usages` field can be quite big but probably this
    isn't such a great benefit.
  
  * Third motivation: Conceptually clarity about which parts of an
    interface file are used in order to **communicate** with subsequent
    packages about the **interface** for a module. And which parts are
    used to self-communicate during recompilation checking.
  
  The main tracking issue is #22188 but fixes issues such as #10424 in a
  proper way.
  

• 5b05c27b
  by Matthew Pickering at 2025-03-06T11:43:23+00:00

  Disable self recomp in release flavour
  
  The interface files that we distribute should not contain any
  information which is used by the recompilation checking logic since
  source file will never be compiled again.
  
  I am not 100% sure this won't cause unexpected issues, there many be
  downstream consumers which are incorrectly using the information from
  interfaces, but this commit can be reverted if we detect issues.
  

• 1d4c9824
  by Matthew Craven at 2025-03-06T18:11:59-05:00

  Cmm: Add surface syntax for Word/Float bitcast ops
  

• 25c4a2a2
  by Matthew Craven at 2025-03-06T18:11:59-05:00

  Cmm: Add constant-folding for Word->Float bitcasts
  

• 30bdea67
  by Matthew Craven at 2025-03-06T18:11:59-05:00

  Add tests for #25771
  

• 44bf5fa1
  by Matthew Pickering at 2025-03-07T13:48:18+00:00

  iface: Store flags in interface files
  
  When reporting the reason why a module is recompiled (using
  `-dump-hi-diffs`), it is much more informative to inform the user about
  which flag exactly has changed, rather than just an opaque reference to
  a hash.
  
  Now, when the user enables `-fwrite-if-self-recomp-flags`
  there is a difference the precise part of the flags is
  reported:
  
  ```
  codegen flags changed:
  before: [Opt_NoTypeableBinds, Opt_OmitYields]
  after: [Opt_NoTypeableBinds, Opt_OmitYields, Opt_DictsStrict]
  ```
  
  Fixes #25571
  

• 324222bd
  by Oleg Grenrus at 2025-03-08T08:50:18-05:00

  Run fix-whitespace on compiler/
  
  https://hackage.haskell.org/package/fix-whitespace
  
  IMO this should be included into lint suite
  

• 1e53277a
  by sheaf at 2025-03-08T16:32:25-05:00

  Allow defaulting of representational equalities
  
  This commit generalises the defaulting of equality constraints that
  was introduced in 663daf8d (with follow-up in 6863503c) to allow
  the defaulting of *representational* equality constraints.
  
  Now we default a representational equality
  
    ty1 ~R# ty2
  
  by unifying ty1 ~# ty2.
  
  This allows the following defaulting to take place:
  
    - Coercible alpha[tau] Int ==> alpha := Int
    - Coercible (IO beta[tau]) (IO Char) ==> beta := Char
  
  See Note [Defaulting representational equalities] in GHC.Tc.Solver.Default
  for more details.
  
  Fixes #21003
  

• d6c40afc
  by Andreas Klebinger at 2025-03-08T16:33:02-05:00

  Revert "Use `Infinite` in unique generation, and clean up some other partial uni patterns as well."
  
  This reverts commit 643dd3d86968c527ba07ece9cc337728dbdfe2a0.
  
  As described in #25817 this commit introduced a subtle bug in AArch64
  code generation. So for the time being I will simply revert it
  wholesale.
  

• 68310e11
  by Andreas Klebinger at 2025-03-08T16:33:39-05:00

  Properly describe acceptance window for stat tests.
  
  The relative metric is already in %, so no need to multiply by 100.
  

• cca68421
  by Cheng Shao at 2025-03-08T22:04:42-05:00

  wasm: do not use wasm type reflection in dyld
  
  The wasm dynamic linker used to depend on v8's experimental wasm type
  reflection support to generate stub functions when treating GOT.func
  items that aren't exported by any loaded library yet. However, as we
  work towards wasm ghci browser mode (#25399), we need to ensure the
  wasm dyld logic is portable across browsers. So this commit removes
  the usage of wasm type reflection in wasm dyld, and it shall only be
  added many months later when this feature is widely available in
  browsers.
  

• 75fcc5c9
  by Cheng Shao at 2025-03-08T22:05:19-05:00

  wasm: don't create a wasm global for dyld poison
  
  There's a much more efficient way to convert an unsigned i32 to a
  signed one. Thanks, o3-mini-high.
  

• fd40eaa1
  by Cheng Shao at 2025-03-08T22:05:19-05:00

  wasm: revamp JSFFI internal implementation and documentation
  
  This patch revamps the wasm backend's JSFFI internal implementation
  and documentation:
  
  - `JSValManager` logic to allocate a key is simplified to simple
    bumping. According to experiments with all major browsers, the
    internal `Map` would overflow the heap much earlier before we really
    exhaust the 32-bit key space, so there's no point in the extra
    complexity.
  - `freeJSVal` is now idempotent and safe to call more than once. This
    is achieved by attaching the `StablePtr#` to the `JSVal#` closure
    and nullifying it when calling `freeJSVal`, so the same stable
    pointer cannot be double freed.
  - `mkWeakJSVal` no longer exposes the internal `Weak#` pointer and
    always creates a new `Weak#` on the fly. Otherwise by finalizing
    that `Weak#`, user could accidentally drop the `JSVal`, but
    `mkWeakJSVal` is only supposed to create a `Weak` that observes the
    `JSVal`'s liveliness without actually interfering it.
  - `PromisePendingException` is no longer exported since it's never
    meant to be caught by user code; it's a severe bug if it's actually
    raised at runtime.
  - Everything exported by user-facing `GHC.Wasm.Prim` now has proper
    haddock documentation.
  - Note [JSVal representation for wasm] has been updated to reflect the
    new JSVal# memory layout.
  

• cbae3708
  by Ben Gamari at 2025-03-11T06:09:58-04:00

  users guide: Fix typo

• 1951eb7a
  by Ben Gamari at 2025-03-11T06:10:35-04:00

  testsuite: Don't count fragile passes as failures in JUnit output
  
  As noted in #25806, the testsuite driver's JUnit output
  previously considered passes of fragile tests to be failures. Fix this.
  
  Closes #25806.

• 589f40b9
  by Matthew Pickering at 2025-03-11T06:11:11-04:00

  Use panic rather than error in expectJust
  
  Otherwise, we would not get a callstack printed out when the exception
  occurs.
  
  Fixes #25829
  

• d450e88e
  by sheaf at 2025-03-11T06:42:59-04:00

  Solve Wanted quantified constraints from Givens
  
  This commit ensures we directly solve Wanted quantified constraints from
  matching inert Given quantified constraints,instead of going through the
  trouble of emitting an implication constraint and processing that.
  
  This is not just an optimisation; it makes our lives easier when
  generating RULEs for specialisation.
  See Note [Solving Wanted QCs from Given QCs] for details
  
  Fixes #25758
  

• 48daaf53
  by Ben Gamari at 2025-03-11T06:42:59-04:00

  testsuite: Add testcase for #25577
  

• d2ffb0ce
  by Ben Gamari at 2025-03-11T06:42:59-04:00

  testsuite/ghc-api: Eliminate Makefile usage from various GHC API tests
  
  These tests can be expressed perfectly well using the testsuite driver
  itself.
  

• 2275b642
  by Ben Gamari at 2025-03-11T06:42:59-04:00

  rts/linker/MachO: Assert that GOT relocations have GOT entries
  
  In #25577 we found that some GOT relocation types were not being given
  relocation entries. Add assertions to catch this sort of failure in the
  future.
  

• 8c96bcb4
  by Ben Gamari at 2025-03-11T06:42:59-04:00

  rts/linker/MachO: Account for internal GOT references in GOT construction
  
  Previously we failed to give GOT slots to symbols which were referred to
  by GOT relocations in the same module. This lead to #25577.
  
  Fix this by explicitly traversing relocation lists and maintaining a
  `needs_got` flag for each symbol.
  
  Fixes #25577.
  

• 7b84c588
  by Vladislav Zavialov at 2025-03-11T06:43:02-04:00

  One list in ConPat (part of #25127)
  
  This patch changes PrefixCon to use one list instead of two:
  
  	-data HsConDetails tyarg arg rec
  	-  = PrefixCon [tyarg] [arg]
  	+data HsConDetails arg rec
  	+  = PrefixCon [arg]
  	   | RecCon    rec
  	   | InfixCon  arg arg
  
  The [tyarg] list is now gone. To understand the effect of this change,
  recall that there are three instantiations of HsConDetails:
  
  1. type HsConPatDetails p =
        HsConDetails (HsConPatTyArg (NoGhcTc p))  -- tyarg
                     (LPat p)                     -- arg
                     (HsRecFields p (LPat p))     -- rec
  
  2. type HsConDeclH98Details pass =
        HsConDetails Void                              -- tyarg
                     (HsScaled pass (LBangType pass))  -- arg
                     (XRec pass [LConDeclField pass])  -- rec
  
  3. type HsPatSynDetails pass =
        HsConDetails Void                     -- tyarg
                     (LIdP pass)              -- arg
                     [RecordPatSynField pass] -- rec
  
  In cases (2) and (3), tyarg was instantiated to Void, so the [tyarg]
  list was always empty. Its removal is basically a no-op.
  
  The interesting case is (1), which is used in ConPat to represent
  pattern matching of the form (MkE @tp1 @tp2 p1 p2).
  With this patch, its representation is changed as follows:
  
    ConPat "MkE" [tp1, tp2] [p1, p2]               -- old
    ConPat "MkE" [InvisP tp1, InvisP tp2, p1, p2]  -- new
  
  The new mixed-list representation is consintent with lambdas, where
  InvisP is already used to deal with \ @tp1 @tp2 p1 p2 -> body.
  
  The immediate effect of the new representation is an improvement to
  error messages. Consider the pattern (Con x @t y). Previously it
  resulted in a parse error because @t could not occur after x. Now it is
  reported as [GHC-14964]. Test case: TyAppPat_MisplacedApplication.
  
  In the long term, this is intended as preparation for #18389 and #25127,
  which would make (Con x @t y) potentially valid, e.g. if its type is
    Con :: forall a -> forall b. (a, b) -> T
  
  The TH AST is left unchanged for the moment to avoid breakage.
  

• cce869ea
  by Vladislav Zavialov at 2025-03-11T06:43:02-04:00

  Error message with EmptyCase and RequiredTypeArguments (#25004)
  
  Fix a panic triggered by a combination of \case{} and forall t ->
  
    ghci> let f :: forall (xs :: Type) -> (); f = \case {}
    panic! (the 'impossible' happened)
      GHC version 9.10.1:
            Util: only
  
  The new error message looks like this:
  
    ghci> let f :: forall (xs :: Type) -> (); f = \case {}
    <interactive>:5:41: error: [GHC-48010]
        • Empty list of alternatives in \case expression
          checked against a forall-type: forall xs -> ...
  
  This is achieved as follows:
  
  * A new data type, BadEmptyCaseReason, is now used to describe
    why an empty case has been rejected. Used in TcRnEmptyCase.
  
  * HsMatchContextRn is passed to tcMatches, so that the type checker
    can attach the syntactic context to the error message.
  
  * tcMatches now rejects type arguments if the list of alternatives is
    empty. This is what fixes the bug.
  

• 37d8b50b
  by sheaf at 2025-03-11T06:43:06-04:00

  user's guide: consolidate defaulting documentation
  
  This commit adds a new section on defaulting, which consolidates various
  parts of documentation surrounding defaulting into one central place.
  
  It explains type class defaulting in detail, extensions to it with
  OverloadedStrings, NamedDefaults and ExtendedDefaultRules, as well
  as other defaulting mechanisms (e.g. kind-based defaulting such as
  RuntimeRep defaulting, and defaulting of equalities).
  

• 0c9fd8d4
  by sheaf at 2025-03-11T06:43:06-04:00

  user's guide: flesh out XOverloadedStrings docs
  
  This commit extends the documentation of the OverloadedStrings extension
  with some usage information, in particular suggestions to:
  
    - use default declarations, such as `default (Text)` or
      `default IsString(Text)` (with the NamedDefaults extension),
  
    - enable the ExtendedDefaultRules extension to relax the requirement
      that a defaultable type variable must only appear in unary standard
      classes
  
  Fixes #23388
  

• 2df171d4
  by sheaf at 2025-03-11T06:43:06-04:00

  user's guide: NamedDefaults vs ExtendedDefaultRules
  
  This commit clarifies the defaulting rules with NamedDefaults,
  in particular in situations where a type variable appears in other
  constraints than standard/unary constraints.
  

• 77df05d0
  by Matthew Pickering at 2025-03-11T06:43:07-04:00

  Take into account all flags when computing iface_hash
  
  The "interface hash" should contain a hash of everything in the
  interface file. We are not doing that yet but at least a start is to
  include a hash of everything in `mi_self_recomp`, rather than just
  `mi_src_hash` and `mi_usages`.
  
  In particular, this fixes #25837, a bug where we should recompile a
  `dyn_hi` file but fail to do so.
  

• 48b8f110
  by Matthew Pickering at 2025-03-11T06:43:07-04:00

  Pass -fPIC to dynamicToo001 test to avoid platform dependence issues
  
  On darwin platforms, `-fPIC` is always enabled but on linux it is only
  enabled in the dynamic flavour. This can cause a difference in
  interface files (see #25836).
  
  The purpose of this test isn't to test module A recompilation, so we
  avoid this platform dependency by always passing `-fPIC`.
  

• 03c72f01
  by Matthew Pickering at 2025-03-11T06:43:07-04:00

  Remove mi_used_th field from interface files
  
  In the distant past, recompilation checking was disabled for interfaces which used
  TemplateHaskell, but for several years now recompilation checking has
  been more fine-grained. This has rendered this field unused and
  lingering in an interface file.
  

• 6bb0e261
  by Matthew Pickering at 2025-03-11T06:43:07-04:00

  Remove mi_hpc field from interface files
  
  The `mi_hpc` field is not used for anything as far as I can discern so
  there is no reason to record in the private interface of a module that
  there are modules in the transitive closure which use `hpc`.
  
  You can freely mix modules which use `-fhpc` and ones which don't.
  
  Whether to recompile a module due to `-fhpc` being passed to the module
  itself is determined in `fingerprintDynFlags`.
  

• b6d5b091
  by Simon Peyton Jones at 2025-03-11T22:39:23-04:00

  We can't UNPACK multi-constructor GADTs
  
  This MR fixes #25672
  
  See Note [Unpacking GADTs and existentials] in GHC.Types.Id.Make
  

• 8eae151d
  by Teo Camarasu at 2025-03-11T22:40:00-04:00

  template-haskell: Add explicit exports lists to all remaining modules
  

• db621b58
  by Teo Camarasu at 2025-03-11T22:40:00-04:00

  template-haskell: fix haddocks
  
  It seems that we need a direct dependency on ghc-internal, otherwise
  Haddock cannot find our haddocks
  
  The bug seems to be caused by Hadrian because if I rebuild with
  cabal-install (without this extra dependency) then I get accurate
  Haddocks.
  
  Resolves #25705
  

• 64ea68d9
  by Ben Gamari at 2025-03-12T07:11:51-04:00

  mk-ghcup-metadata: Clean up and add type annotations
  
  Getting this file right has historically been quite painful as it is a
  dynamically-typed script running only late in the release pipeline.
  

• b3f80b07
  by Ben Gamari at 2025-03-12T07:12:27-04:00

  rts: Drop imports of pthreads functions in cmm sources
  
  These are no longer used. I noticed these while looking for uses of
  __PIC__ in Cmm sources.
  

• 915a6781
  by Matthew Pickering at 2025-03-13T01:46:41-04:00

  interfaces: Ensure that forceModIface deeply forces a ModIface
  
  A ModIface is the result of compilation that we keep for a long time in
  memory. Therefore, it's very important to manage what we are going to
  retain and remove any external references to things which we might have
  captured compilation.
  
  If storing your ModIface in memory uses too much space, then store
  less things or make it use a more efficient representation.
  
  In the past there have been many space leak bugs by not sufficiently
  forcing a ModIface (#15111)
  
  This patch adds all the missing NFData instances for all the places I
  could find where we weren't deeply forcing the structure.
  

• 24d373a6
  by Matthew Craven at 2025-03-13T01:47:18-04:00

  Add interface-stability test for ghc-prim
  

• 0cb1db92
  by sheaf at 2025-03-14T13:11:44-04:00

  Don't report used duplicate record fields as unused
  
  This commit fixes the bug reported in #24035 in which the import of a
  duplicate record field could be erroneously reported as unused.
  
  The issue is that an import of the form "import M (fld)" can import
  several different 'Name's, and we should only report an error if ALL
  of those 'Name's are unused, not if ANY are.
  
  Note [Reporting unused imported duplicate record fields]
  in GHC.Rename.Names explains the solution to this problem.
  
  Fixes #24035
  

• f1830d74
  by Matthew Pickering at 2025-03-14T13:12:21-04:00

  binary: Directly copy ShortByteString to buffer rather than go via ByteString
  
  This avoids allocating an intermediate bytestring. I just noticed on a
  profile that `putFS` was allocating, and it seemed strange to me why
  since it should just copy the contents of the FastString into the
  already allocated buffer. It turned out we were going indirectly via a
  ByteString.
  
  Fixes #25861
  

• b15fca2b
  by Matthew Pickering at 2025-03-15T05:36:40-04:00

  iface: Store logical parts of ModIface together
  
  The ModIface structure is divided into several logical parts:
  
  1. mi_mod_info: Basic module metadata (name, version, etc.)
  
  2. mi_public: The public interface of the module (the ABI), which includes:
     - Exports, declarations, fixities, warnings, annotations
     - Class and type family instances
     - Rewrite rules and COMPLETE pragmas
     - Safe Haskell and package trust information
     - ABI hashes for recompilation checking
  
  4. mi_self_recomp: Information needed for self-recompilation checking
     (see Note [Self recompilation information in interface files])
  
  5. mi_simplified_core: Optional simplified Core for bytecode generation
     (only present when -fwrite-if-simplified-core is enabled)
  
  6. mi_docs: Optional documentation (only present when -haddock is enabled)
  
  7. mi_top_env: Information about the top-level environment of the original source
  
  8. mi_ext_fields: Additional fields for extensibility
  
  This structure helps organize the interface data according to its purpose and usage
  patterns. Different parts of the compiler use different fields. By separating them
  logically in the interface we can arrange to only deserialize the fields that are needed.
  
  This patch also enforces the invariant that the fields of ModIface are
  lazy. If you are keeping a ModIface on disk, then force it using
  `forceModIface`. Otherwise, when the `ModIface` is read from disk, only
  the parts which are needed from the interface will be deserialised.
  
  In a follow-up patch I will tackle follow-up issues:
  
  * Recompilation checking doesn't take into account exported named defaults (#25855)
  * Recompilation checking does not take into account COMPLETE pragmas (#25854)
  * mi_deps_ field in an interface is confused about whether the
    information is for self-recompilation checking or part of the ABI
    (#25844)
  
  Fixes #25845
  
  -------------------------
  Metric Decrease:
      MultiLayerModulesDefsGhciWithCore
  -------------------------
  

• c758cb71
  by Ben Gamari at 2025-03-15T05:37:17-04:00

  configure: Fix incorrect SettingsLlvmAsFlags value
  
  Previously this was set to `LlvmAsCmd` rather than `LlvmAsFlags`,
  resulting in #25856.

• cfaaca14
  by sheaf at 2025-03-18T20:05:03-04:00

  Fix buglet in isEmptyWorkList
  
  There was a missing case in GHC.Tc.Solver.InertSet.isEmptyWorkList; it
  mistakenly ignored the 'wl_rw_eqs' field. This commit simply fixes that.
  No test case.
  

• 9f9fe0b3
  by sheaf at 2025-03-18T20:05:03-04:00

  Add mapMaybeTM method to TrieMap class
  
  This commit adds a new method to the TrieMap class, mapMaybeTM, and
  adds implementations to all the instances.
  
  mapMaybeTM is useful when filtering containers that contain other
  containers.
  

• 393531ff
  by Simon Peyton Jones at 2025-03-18T20:05:03-04:00

  Specialising expressions -- at last
  
  This MR addresses #24359, which implements the GHC proposal 493 on SPECIALISE pragmas.
  
  * The old code path (using SpecSig and SpecPrag) still exists.
  * The new code path (using SpecSigE and SpecPragE) runs alongside it.
  * All SPECIALISE pragmas are routed through the new code path, except
    if you give multiple type sigs, when the old code path is still used.
  * Main documentation: Note [Handling new-form SPECIALISE pragmas] in
    GHC.Tc.Gen.Sig`
  
  Thanks to @sheaf for helping with this MR.
  
  The Big Thing is to introduce
  
    {-# SPECIALISE forall x.  f @Int x True #-}
  
  where you can give type arguments and value argument to specialise; and
  you can quantify them with forall, just as in Rules.
  
  I thought it was going to be pretty simple, but it was a Long, Long Saga.
  
  Highlights
  
  * Overview Note [Handling new-form SPECIALISE pragmas] in GHC.Tc.Gen.Sig
    - New data constructor `SpecSigE` in data type `L.H.S.Binds.Sig`
    - New data construtor `SpecPragE` in data type `GHC.Hs.Binds.TcSpecPrag`
    - Renamer: uses `checkSpecESigShape` to decide which function to assocate the
               SPECIALISE pragma with
    - Some of the action is in `GHC.Tc.Gen.Sig.tcSpecPrag`
    - The rest is in `GHC.HsToCore.Binds.dsSpec`
  
  * We use a new TcS mode, TcSFullySolve, when simplifying the Wanteds
    that arise from the specialise expression. The mechanism is explained
    in Note [TcSFullySolve] in GHC.Tc.Solver.Monad. The reason why we need
    to do this is explained in Note [Fully solving constraints for specialisation]
    in GHC.Tc.Gen.Sig.
  
  * All of GHC.Tc.Gen.Rule is moved into GHC.Tc.Gen.Sig, because the code is
    very closely related.
  
  * The forall'd binders for SPECIALISE are the same as those for a RULE, so I
    refactored, introducing data type `L.H.S.Binds.RuleBndrs`, with functions
    to rename, zonk, typecheck it.  I refactored this data type a bit; nicer now.
  
  * On the LHS of RULES, or SPECIALISE, we want to disable the tricky mechanims
    described in Note [Desugaring non-canonical evidence] in GHC.HsToCore.Expr.
    Previously it wasn't fully disabled (just set to the empty set), and that
    didn't quite work in the new regime.
  
  * There are knock-on changes to Template Haskell.
  
  * For the LHS of a RULE and a SPECIALISE expression, I wanted to simplify
    it /without/ inlining the let-bindings for evidence variables.  I added
    a flag `so_inline` to the SimpleOpt optimiser to support this.  The
    entry point is `GHC.Core.SimpleOpt.simpleOptExprNoInline`
  
  * Since forever we have had a hack for type variables on the LHS of
    RULES. I took the opportunity to tidy this up.  The main action is
    in the zonker.  See GHC.Tc.Zonk.Type Note [Free tyvars on rule LHS],
    and especially data construtor `SkolemiseFlexi`
    in data type `GHC.Tc.Zonk.Env.ZonkFlexi`
  
  * Move `scopedSort` from GHC.Core.TyCo.FVs to GHC.Core.Predicate
    Reason: it now works for Ids as well, and I wanted to use isEvVar,
            which is defined in GHC.Core.Predicate
    Avoiding module loops meant that instead of exporting GHC.Core.TyCo.Tidy
    from GHC.Core.Type, modules now import the former directly.
  
    I also took the opportunity to remove unused exports
    from GHC.Core.Type.hs-boot
  
  * Flag stuff:
    - Add flag `-Wdeprecated-pragmas` and use it to control the warning when
      using old-style SPECIALISE pragmas with multiple type ascriptions,
  
    - Add flag `-Wuseless-specialisations` and use it to control the warning emitted
      when GHC determines that a SPECIALISE pragma would have no effect. Don't
      want if the SPECIALISE is SPECIALISE INLINE (#4444)
  
      In response to #25389, we continue to generate these seemingly code for these
      seemingly useless SPECIALISE pragmas
  
    - Adds deprecations to Template Haskell `pragSpecD` and `pracSpecInlD`,
  
  * Split up old-style SPECIALISE pragmas in GHC.Internal.Float,
    GHC.Internal.Numeric, GHC.Internal.Real
  
  * Remove useless SPECIALISE pragmas in Data.Array (updating the array submodule)
  
  Smaller things:
  
  - Update the Users Guide
  
  - Add mention of the changes to the 9.14 release notes as well as
    the Template Haskell changelog,
  

• 1884dd1a
  by Simon Peyton Jones at 2025-03-18T20:05:03-04:00

  Add -Wrule-lhs-equalities warning
  
  This commit adds a new warning, controlled by the warning flag,
  -Wrule-lhs-equalities, which is emitted when the LHS of a RULE gives
  rise to equality constraints that previous GHC versions would have
  quantified over.
  
  GHC instead discards such RULES, as GHC was never able to generate
  a rule template that would ever fire; it's better to be explicit about
  the fact that the RULE doesn't work.
  

• b00b3ef0
  by Ben Gamari at 2025-03-18T20:05:41-04:00

  compiler: Add export list to GHC.SysTools.Process
  
  This also revealed that `readProcessEnvWithExitCode` and its local
  helpers were dead code.
  

• 25850b22
  by ARATA Mizuki at 2025-03-18T20:06:25-04:00

  Fix code generation for SSE vector operations
  
  The new implementation generates correct code
  even if the registers overlap.
  
  Closes #25859
  

• e576468c
  by Andreas Klebinger at 2025-03-18T20:07:02-04:00

  Bump nofib submodule.
  
  Fixes #25867. (Ben-raytrace being broken by library changes)
  

• 443fc8b1
  by Sjoerd Visscher at 2025-03-19T12:01:04-04:00

  Multiplicity annotation on records
  
  Needing to store multiplicity annotations on records triggered a refactoring of AST of data declarations:
  
  Moved HsBangTy and HsRecTy from HsType to HsTypeGhcPsExt, the extension of HsType during parsing, since they are only needed during parsing.
  
  New HsConDeclField that stores all source data shared by all constructor declaration fields: unpackedness, strictness, multiplicity, documentation and the type of the field.
  
  Merged HsMultAnn and HsArrowOf, so all multiplicity annotations share the same data type.
  
  HsBang was no longer needed as a separate type, and was inlined into HsSrcBang.
  

• 313cf271
  by Ben Gamari at 2025-03-19T12:01:43-04:00

  gitlab-ci: Drop CentOS 7 binary distributions
  
  CentOS 7 is EoL and moreover we cannot even build images for it.
  
  See #25061.
  

• 5b94f99f
  by Ben Gamari at 2025-03-19T12:02:21-04:00

  rts: Ensure that WinIO flag is set when --io-manager=auto
  
  As noted in #25838, previously `selectIOManager` failed to set
  `rts_IOManagerIsWin32Native` in its `IO_MNGR_FLAG_AUTO`. This meant
  that the MIO path was taken when WinIO was supposedly selected,
  resulting in chaos.
  
  Fixes #25838.
  

• 1a3f1131
  by Peng Fan at 2025-03-19T12:03:10-04:00

  Pass the mcmodel=medium parameter to CC via GHC
  
  Ensure that GHC-driver builds default to mcmodel=medium, so that GHC
  passes this default parameter to CC without having to add it to the
  compiled project.
  
  Commit e70d41406b5d5638b42c4d8222cd03e76bbfeb86 does not ensure that all
  GHC-built object files have a default model of medium, and will raise an
  R_LARCH_B26 overflow error.
  

• 27cf7361
  by Matthew Craven at 2025-03-19T12:03:48-04:00

  Add interface-stability test for ghc-bignum
  
  As with ghc-prim, it makes sense to have some protection against
  accidental interface changes to this package caused by changes
  in ghc-internal.
  

• 25d46547
  by Matthew Craven at 2025-03-19T12:03:48-04:00

  Add README reference for the interface-stability tests
  

• 5d65393e
  by Simon Peyton Jones at 2025-03-20T05:41:24-04:00

  Remove the Core flattener
  
  This big MR entirely removes the "flattener" that took a type and
  replaced each type-family application with a fresh type variable.
  The flattener had its origin in the paper
       Injective type families for Haskell
  
  But (a) #25657 showed that flattening doesn't really work.
      (b) since we wrote the paper we have introduced the so-called
          "fine-grained" unifier GHC.Core.Unify, which can return
                   * SurelyApart
                   * Unifiable subst
                   * MaybeApart subst
          where the MaybeApart says that the two types are not unifiable by a
          substitution, but could (perhaps) be unified "later" after some type
          family reductions.  This turns out to subsume flattening.
  
  This MR does a major refactor of GHC.Core.Unify to make it capable of
  subsuming flattening.   The main payload is described in
         Note [Apartness and type families]
  and its many wrinkles.
  
  The key (non-refactoring) implementation change is to add `um_fam_env`
  to the `UMState` in the unification monad.
  
  Careful review with Richard revealed various bugs in the treament of
  `kco`, the kind coercion carried around by the unifier, so that is
  substantially fixed too: see Note [Kind coercions in Unify].
  
  Compile-time performance is improved by 0.1% with a few improvements over
  1% and one worsening by 1.3% namely T9872a.  (I have not investigated the
  latter.)
  
  Metric Decrease:
      T9872b
      T9872c
      TcPlugin_RewritePerf
  Metric Increase:
      T9872a
  

• 9003ef0a
  by sheaf at 2025-03-20T05:42:08-04:00

  Remove SDoc from UnknownSubordinate/MissingBinding
  
  This commit replaces unstructured SDoc arguments in error message constructors
  with uses of the following two datatypes:
  
    - SigLike: for different kinds of signatures (e.g. standalone kind signatures,
      fixity signatures, COMPLETE pragmas, etc)
    - Subordinate: for class methods, associated types, and record fields
  
  The following error message constructors now no longer have any SDocs in them:
  
    - TcRnIllegalBuiltinSyntax: SDoc -> SigLike
    - MissingBinding: SDoc -> SigLike
    - UnknownSubordinate: SDoc -> (Name, Subordinate)
    - SuggestMoveToDeclarationSite: SDoc -> SigLike
  

• 4329f3b6
  by sheaf at 2025-03-20T05:42:08-04:00

  Remove SDocs from HsDocContext
  
  This commit removes the remaining SDocs from the HsDocContext data type.
  It adds the following constructors:
  
    ClassInstanceCtx  -- Class instances
    ClassMethodSigCtx -- Class method signatures
    SpecialiseSigCtx  -- SPECIALISE pragmas
    PatSynSigCtx      -- Pattern synonym signatures
  
  We now report a bit more information for errors while renaming class instances,
  which slightly improves renamer-emitted error messages.
  

• 75c29aa1
  by sheaf at 2025-03-20T05:42:08-04:00

  Reject instance with non-class head in renamer
  
  This commit modifies rnClsInstDecl so that, when renaming, we reject a class
  instance declaration in which the head is not a class. Before this change, it
  would get rejected in the type-checker, but that meant that the renamer could
  emit unhelpful error messages, e.g.:
  
    data Foo m a
    instance Foo m where
      fmap _ x = case x of
  
  would rather unhelpfully say:
  
      ‘fmap’ is not a (visible) method of class ‘Foo’
  
  when of course 'Foo' is not even a class. We now reject the above program
  with the following error message:
  
      Illegal instance for data type ‘Foo’.
      Instance heads must be of the form
        C ty_1 ... ty_n
      where ‘C’ is a class.
  
  Fixes #22688
  

• a8f543a9
  by Cheng Shao at 2025-03-20T18:47:19-04:00

  testsuite: mark T7919 as fragile on i386 as well
  
  T7919 may also fail i386 CI jobs with test timeout.
  

• 256ac29c
  by sheaf at 2025-03-20T18:48:07-04:00

  Don't cache solved [W] HasCallStack constraints
  
  This commit ensures we do not add solved Wanted constraints that mention
  HasCallStack or HasExceptionContext constraints to the set of solved
  Wanted dictionary constraints: caching them is invalid, because re-using
  such cached dictionaries means using an old call-stack instead of
  constructing a new one, as was reported in #25529.
  
  Fixes #25529.
  

• 47646ce2
  by Andrew Lelechenko at 2025-03-20T18:48:43-04:00

  Improve haddock-visible documentation for GHC.Driver.Flags
  

• 2e4e15ed
  by Sylvain Henry at 2025-03-21T17:49:36-04:00

  Document -fnum-constant-folding (#25862)
  

• 044a6e08
  by sheaf at 2025-03-21T17:50:24-04:00

  LLVM: fix typo in padLiveArgs
  
  This commit fixes a serious bug in the padLiveArgs function, which
  was incorrectly computing too many padding registers. This caused
  segfaults, e.g. in the UnboxedTuples test.
  
  Fixes #25770
  Fixes #25773
  

• 1745c749
  by Teo Camarasu at 2025-03-22T18:42:37-04:00

  template-haskell: remove Language.Haskell.TH.Lib.Internal
  
  This module is purely used for the implementation of TH quote
  desugarring.
  
  Historically this needed to be exposed from `template-haskell`, since
  that's the package that the desugarred expressions referenced but since
  https://gitlab.haskell.org/ghc/ghc/-/merge_requests/12479, this is no
  longer the case.
  
  Now these identifiers are in `ghc-internal`.
  
  Note that this module has carried the following warning for a long time:
  
  > This is not a part of the public API, and as such, there are no API guarantees for this
  module from version to version.
  
  Resolves #24766
  

• 3bc507db
  by Alan Zimmerman at 2025-03-22T18:43:13-04:00

  EPA: Fix exact printing of SPECIALISE pragma
  
  This commit fixes two minor issues with exactprinting of the
  SPECIALISE pragma after !12319 landed
  
  - The span for the RHS did not include the optional signature type
  - The `::` was printed twice when the legacy path was used
  
  Closes #25885
  

• bdf93da8
  by sheaf at 2025-03-24T11:25:12+01:00

  Renamer: improve handling of export children
  
  This commit refactors the 'childGREPriority' function which is used when
  renaming subordinate items in export lists and class declarations.
  
  Instead of having a complicated LookupChild parameter, we now simply pass the
  GREInfo of the parent, which allows us to decide what is a valid child:
  
    - classes can have children that are in the type constructor namespace,
    - promoted data constructors should be treated the same as normal data
      constructors.
  
  Fixes #24027
  

• 1dbc7846
  by Matthew Pickering at 2025-03-24T15:35:17-04:00

  Revert "mk-ghcup-metadata: Clean up and add type annotations"
  
  This reverts commit 64ea68d9a206ec4db5020b0a3fc563199ab18be3.
  
  See #25889
  

• 6941c825
  by doyougnu at 2025-03-25T10:05:58-04:00

  base: construct compat RTSFlags
  
  -- see CLC #289
  

• 730e6f77
  by doyougnu at 2025-03-25T10:06:02-04:00

  base: construct compat GHC.Stats
  
  -- see CLC #289
  

• cd9e6605
  by Ben Gamari at 2025-03-25T17:59:52-04:00

  rel_eng/upload: Clarify usage directions
  
  Previously it was not made clear that the directory name is significant.
  

• 7d18c19b
  by Cheng Shao at 2025-03-25T22:00:56+00:00

  ghci: make the Pipe type opaque
  
  This commit makes the Pipe type in ghci opaque, and introduce the
  mkPipeFromHandles constructor for creating a Pipe from a pair of
  Handles. Pipe is now just a pair of receiver/sender continuations
  under the hood. This allows a Pipe to be potentially backed by other
  IPC mechanisms (e.g. WebSockets) which is essential for wasm ghci
  browser mode.
  

• a2103fd2
  by Cheng Shao at 2025-03-25T22:00:56+00:00

  ghci: use improved Pipe logic for wasm iserv
  
  This commit makes wasm iserv take advantage of the Pipe refactoring by
  passing binary receiver/sender js callbacks from the dyld script. This
  paves the way for piping the binary messages through WebSockets in
  order to run wasm iserv in the browser, but more importantly, it
  allows us to get rid of a horrible hack in the dyld script: we no
  longer have to fake magical wasi file descriptors that are backed by
  nodejs blocking I/O! The legacy hack was due to these facts:
  
  - iserv only supported exchanging binary messages via handles backed
    by file descriptors
  - In wasi you can't access host file descriptors passed by host ghc
  - The nodejs wasi implementation only allows mapping host directories
    into the wasi vfs, not host file descriptors
  - Named pipes with file paths (mkfifo) doesn't work well with nodejs
    wasi implementation, causes spurious testsuite failures on macos
  
  But starting from this point, we can fully take advantage of
  non-blocking I/O on the js side.
  

• fa2fbd2b
  by Cheng Shao at 2025-03-25T22:00:56+00:00

  ghci: fix ^C handling for wasm iserv
  
  This commit fixes ^C handling for wasm iserv. Previously we didn't
  handle it at all, so ^C would kill the node process and host ghc would
  then crash as well. But native ghc with external interpreter can
  handle ^C just fine and wasm should be no different. Hence the fix:
  wasm iserv exports its signal handler as a js callback to be handled
  by the dyld script. Also see added note for details.
  

• efcebed6
  by Cheng Shao at 2025-03-25T22:00:56+00:00

  wasm: fix post-link.mjs for browser
  
  The wasm ghci browser mode needs to run dyld.mjs in the browser which
  imports post-link.mjs. This script makes post-link.mjs runnable in the
  browser by deferring node-specific module imports to their actual use
  sites.
  

• 27bb73c6
  by Cheng Shao at 2025-03-25T22:00:56+00:00

  wasm: use console.assert in dyld script
  
  This commit uses console.assert() instead of node-specific strict
  assert in the dyld script, in order to make it runnable in the
  browser. console.assert() only warns and doesn't crash upon assertion
  failure, but this is fine; we can always trivially define a strict
  assert function shall it be necessary when debugging, and there hasn't
  been such an assertion failure seen in the wild for long enough.
  

• 929df0ba
  by Cheng Shao at 2025-03-25T22:00:56+00:00

  wasm: asyncify the dylink.0 custom section parser
  
  This commit refactors the simple binary parser in the dyld script in
  charge of parsing the dylink.0 custom section. Previously the parser
  was synchronous and operated on the entire input buffer; this was
  simple and easy and worked well enough when the input wasm modules are
  instantly read from local filesystem.
  
  However, when running dyld in the browser, the wasm modules are
  transferred via fetch() requests. The host ghc and the browser might
  not be on the same machine, so slow network uplink does need to be
  considered. We only need to parse dylink.0 custom section to extract
  dependency info, and dylink.0 is the very first custom section in the
  wasm shared library binary payload, so the parsing process should not
  require fetch() to complete and should return the parsing result asap.
  
  Hence the refactorings in this commit: asyncify the parser, make it
  only consume as many bytes as needed by invoking an async consumer
  callback. The input is a readable stream from the fetch() response;
  once the response is available, the async wasm compilation can start
  in the background, and dylink.0 parsing shall end asap which results
  in more wasm shared libraries to be loaded earlier. Profit.
  

• 9a697181
  by Cheng Shao at 2025-03-25T22:00:56+00:00

  wasm: fix dyld setImmediate usage in browser
  
  The wasm dyld script used to only run in node and directly uses
  setImmediate in globalThis. In case of browsers, it needs to import
  setImmediate from the prelude, hence this commit.
  

• d9b71e82
  by Cheng Shao at 2025-03-25T22:00:57+00:00

  wasm: fix dyld downsweep filepath handling in browser
  
  The wasm dyld downsweep logic used to rely on nodejs path module to
  handle filepaths. That's not available in browsers, so this commit
  implements poor man's filepath handling in js, which is not elegant
  for sure but works for both nodejs and the browser.
  

• 7003a399
  by Cheng Shao at 2025-03-25T22:00:57+00:00

  wasm: isolate nodejs-specific logic with the isNode flag in dyld
  
  As we move towards supporting running the dyld script in the browser,
  this commit implements the isNode module-level binding which is true
  if dyld is running in nodejs. The nodejs-specific bits are gated under
  isNode.
  
  For the browser case, this commit introduces @bjorn3/browser_wasi_shim
  as the wasi implementation; we already use it in quite a few projects
  and it simply works.
  

• 22ba2a78
  by Cheng Shao at 2025-03-25T22:00:57+00:00

  wasm: isolate dyld side effects that might require IPC
  
  This commit spins out a DyLDHost class from DyLD that handles side
  effects that must be run in the same host environment that runs
  wasm32-wasi-ghc. When the dyld script runs in the browser, it'll need
  to do IPC to find libraries, fetch wasm library, etc, and the other
  side of dyld that runs on nodejs would simply expose the DyLDHost
  methods as endpoints for WebSockets/HTTP.
  

• e93fc33d
  by Cheng Shao at 2025-03-25T22:00:57+00:00

  wasm: implement wasm ghci browser mode
  
  This commit implements the rest of dyld logic that delivers the ghci
  browser mode:
  
  - The dyld script can now fully run in the browser. It communicates
    back with dyld-on-nodejs via WebSockets and also plain HTTP 1.1
    requests.
  - The host dyld starts a server and acts as a broker between the GHC
    process and the browser side. GHC doesn't need to know anything
    about the browser mode; no driver flags need to be added and no
    recompilation needs to happen, the GHC driver continues to use the
    original iserv binary messages protocol.
  - The dyld broker doesn't need to parse any message between the
    browser dyld and GHC; it merely sets up WebSockets connections to
    redirect these messages as well as ^C signals.
  - Plain HTTP 1.1 is used for IPC requests (e.g. downloading a wasm
    module).
  - The dyld broker serves a main.js script that bootstraps iserv in the
    browser, and a main.html empty page playground for testing. CORS is
    enabled so it could be possible to inject iserv into other websites
    and use ghci to play with them.
  - All the RPC logic is opaque to the DyLD class, the majority of the
    wasm dynamic linker code is already portable and runs fine in
    firefox/chrome/webkit.
  
  Closes #25399.
  

• fc576798
  by Cheng Shao at 2025-03-25T22:00:57+00:00

  wasm: add puppeteer/playwright support for ghci browser mode
  
  This commit adds support for using puppeteer/playwright for
  automatically launching a headless browser that backs the ghci browser
  mode. This is useful for testing the ghci browser mode as a part of
  GHC testsuite, and it's also convenient for local development since
  the step to start iserv can be automated away.
  

• ad7e271d
  by Cheng Shao at 2025-03-25T22:00:57+00:00

  wasm: support wasi console redirect for the ghci browser mode
  
  This commit adds optional support for redirecting wasi console
  stdout/stderr back to the host when running wasm ghci browser mode. By
  default, the wasi console outputs are only available under F12
  devtools console, but in case of testing against a mobile browser, the
  devtools console may not be readily available, and it would be more
  convenient to at least get wasi console output on the host side.
  
  The redirection logic is simple, just adding another two WebSockets
  connections that pump the line-buffered textual messages back to
  host.
  

• 731217ce
  by Cheng Shao at 2025-03-25T22:00:57+00:00

  wasm: add brotli compression for ghci browser mode
  
  This commit adds brotli compression for wasm shared libraries for ghci
  browser mode. With BROTLI_MIN_QUALITY, the overhead is negligible, and
  it helps reducing amount of transferred data when the browser connects
  to the server over a slow connection.
  

• ac70e643
  by Cheng Shao at 2025-03-26T13:37:19+00:00

  testsuite: add browser001 test for wasm ghci browser mode
  
  This commit adds support for testing the wasm ghci browser mode in the
  testsuite, as well as a simple first test case browser001 that makes
  use of TH, JSFFI and browser-specific DOM API. See added note and
  comments for details.
  

• 6ef5c0d2
  by Cheng Shao at 2025-03-26T13:37:24+00:00

  docs: add wasm ghci subsection in user manual
  
  This commit updates the user manual to add wasm ghci subsection.
  

• 37381bcf
  by Cheng Shao at 2025-03-26T13:37:24+00:00

  docs: update Note [The Wasm Dynamic Linker]
  
  This commit updates Note [The Wasm Dynamic Linker] to reflect recent
  developments, in particular the wasm ghci browser mode.
  

• 4b5a0f61
  by Cheng Shao at 2025-03-26T13:37:24+00:00

  ci: bump DOCKER_REV and test wasm ghci browser mode
  
  This commit bumps the ci-images revision for updated wasm toolchain,
  and adds the launch options required to test wasm ghci browser mode.
  

• c6a3bc8f
  by Cheng Shao at 2025-03-26T13:37:24+00:00

  driver: implement wasm ghci browser mode flags
  
  This commit implements GHC driver flags that enable the wasm ghci
  browser mode.
  

• f75e823e
  by Cheng Shao at 2025-03-26T18:01:54-04:00

  rts: add hs_try_putmvar_with_value to RTS API
  
  This commit adds hs_try_putmvar_with_value to rts. It allows more
  flexibility than hs_try_putmvar by taking an additional value argument
  as a closure to be put into the MVar. This function is used & tested
  by the wasm backend runtime, though it makes sense to expose it as a
  public facing RTS API function as well.
  

• 9cd9f347
  by Cheng Shao at 2025-03-26T18:01:54-04:00

  wasm: use MVar as JSFFI import blocking mechanism
  
  Previously, when blocking on a JSFFI import, we push a custom
  stg_jsffi_block stack frame and arrange the `promise.then` callback to
  write to that stack frame. It turns out we can simply use the good old
  MVar to implement the blocking logic, with a few benefits:
  
  - Less maintenance burden. We can drop the stg_jsffi_block related Cmm
    code without loss of functionality.
  - It interacts better with existing async exception mechanism. throwTo
    would properly block the caller if the target thread is masking
    async exceptions.
  

• da34f0aa
  by Cheng Shao at 2025-03-26T18:01:54-04:00

  wasm: properly pin the raiseJSException closure
  
  We used to use keepAlive# to pin the raiseJSException closure when
  blocking on a JSFFI import thunk, since it can potentially be used by
  RTS. But raiseJSException may be used in other places as well (e.g.
  the promise.throwTo logic), and it's better to simply unconditionally
  pin it in the JSFFI initialization logic.
  

• dc904bfd
  by Cheng Shao at 2025-03-26T18:01:54-04:00

  wasm: implement promise.throwTo() for async JSFFI exports
  
  This commit implements promise.throwTo() for wasm backend JSFFI
  exports. This allows the JavaScript side to interrupt Haskell
  computation by raising an async exception. See subsequent docs/test
  commits for more details.
  

• 7f80455e
  by Cheng Shao at 2025-03-26T18:01:55-04:00

  testsuite: add test for wasm promise.throwTo() logic
  
  This commit adds a test case to test the wasm backend
  promise.throwTo() logic.
  

• afdd3fe7
  by Cheng Shao at 2025-03-26T18:01:55-04:00

  docs: document the wasm backend promise.throwTo() feature
  

• 65dc65dc
  by sheaf at 2025-03-26T18:02:43-04:00

  Refactor CtEvidence into Given/Wanted
  
  This commit is a simple refactoring which splits up the CtEvidence,
  giving each constructor its own datatype:
  
    data CtEvidence
      = CtGiven  GivenCtEvidence
      | CtWanted WantedCtEvidence
  
    data GivenCtEvidence =
      GivenCt
        { ctev_pred :: TcPredType
        , ctev_evar :: EvVar
        , ctev_loc  :: CtLoc }
  
    data WantedCtEvidence =
      WantedCt
        { ctev_pred      :: TcPredType
        , ctev_dest      :: TcEvDest
        , ctev_loc       :: CtLoc
        , ctev_rewriters :: RewriterSet }
  
  This enables a few minor simplifications in the code, notably removing
  a panic from GHC.Tc.Solver.Solve.solveWantedForAll_implic.
  
  Fixes #25848
  

• ada04031
  by sheaf at 2025-03-26T18:03:27-04:00

  Export lists: same prio for NoParent & RightParent
  
  This commit ensures that, when we are renaming children in an export
  list item such as
  
    module M ( P(A,B,C) )
  
  we consider children with NoParent to have the same priority as children
  which have the correct parent (P in this case). This is because we
  should **not** prioritise a data constructor (with the right parent)
  over a pattern synonym we are bundling (which, before bundling, has
  no parent).
  
  Fixes #25892
  

• 721628a0
  by Adriaan Leijnse at 2025-03-27T09:10:10-04:00

  TTG: Replace HsUnboundVar with HsHole
  
  Context:
  
  The HsUnboundVar constructor in Language.Haskell.Syntax.Expr contained a
  RdrName, which stood in the way of the work towards a dedicated
  haskell-syntax library. The constructor was overloaded for unbound
  variables, anonymous and named holes, and parse errors.
  
  This commit:
  
  Replaces HsUnboundVar with HsHole. In the surface syntax HsHole only
  represents an anonymous expression hole ("_"). It is extended with the
  XHole type family.
  
  In the concrete GHC implementation of the language on the other hand,
  HsHole is used for "any thing which is not necessarily a valid or fully
  defined program fragment, but for which a type can be derived". This use
  is similar to how HsUnboundVar was used, but the parse error case is now
  made explicit with a ParseError case for XHole. This is in anticipation
  of future work on a fault tolerant compilation pipeline.
  

• dbd852f5
  by Ben Gamari at 2025-03-27T09:10:48-04:00

  rel_eng: Finish removal of CentOS jobs
  
  Remove centos7 from release fetch and ghcup metadata generation scripts.
  
  Closes #25893.
  

• 0e0231e7
  by Matthew Pickering at 2025-03-28T18:36:33-04:00

  hadrian: Make hash_unit_ids into a flavour transformer (and enable for release flavour)
  
  The primary reason for this change is to make the `release` flavour
  enable `--hash-unit-ids` by default without any further user intervention.
  
  * Packagers don't have to be aware of this special flag they should be
    using.
  * release builds on CI are uniformly testing with hashes (see !13418)
  
  Fixes #25379
  

• 9fc54c12
  by Rodrigo Mesquita at 2025-03-28T18:37:10-04:00

  driver: Move DynFlags consistency fixes off Main
  
  These consistency fixes found in Main.hs are required for the proper
  functioning of the compiler and should live together with all remaining
  fixes in `makeDynFlagsConsistent`.
  
  This is especially relevant to GHC applications that shouldn't have to
  copy/fix themselves possibly inconsistent DynFlags.
  
  Additionally, outputs information when verbosity is high about these
  consistency fixes that were previously quiet, adds information to the
  Note on consistency of DynFlags, and improves one of the fixes that
  incorrectly used `dynNow`.
  

• 2fdd0be9
  by sheaf at 2025-03-28T18:37:53-04:00

  Remove GhcHint from TcRnNotInScope constructor
  
  This is a tiny refactoring which:
  
    - removes GhcHint/ImportError fields from some constructors of
      TcRnMessage, using the TcRnMessageDetailed mechanism instead to
      report this informaiton:
        - removes the GhcHint and ImportErrors fields from TcRnNotInScope
        - removes the GhcHint field from TcRnTermNameInType
    - ensures that we only include these hints and import errors when the
      -fhelpful-errors flag is turned on
  
  Fixes #25874
  

• 9e5cd064
  by ARATA Mizuki at 2025-03-31T14:53:34-04:00

  Better support for SSE3 and SSE4.1
  
  In particular:
  
  * Pass appropriate attributes to LLVM
  * Define preprocessor macros for them
  

• c2c7dd51
  by ARATA Mizuki at 2025-03-31T14:53:34-04:00

  x86: Add support for SSSE3
  
  This commit adds the `-mssse3` flag, which controls usage of SSSE3 instructions in x86 code generation.
  

• d7c62580
  by ARATA Mizuki at 2025-03-31T14:53:34-04:00

  x86 NCG SIMD: Implement 128-bit integer vector arithmetics
  
  This commit implements the following operations on integer vectors:
  
  * negateIntNXM#
  * plus{Int,Word}NXM#
  * minus{Int,Word}NXM#
  * times{Int,Word}NXM#
  * quot{Int,Word}NXM#
  * rem{Int,Word}NXM#
  * min{Int,Word}NXM#
  * max{Int,Word}NXM#
  
  where (N,M) is one of (8,16), (16,8), (32,4), or (64,2).
  
  Closes #25643
  

• f5ea4e7e
  by ARATA Mizuki at 2025-03-31T14:53:34-04:00

  x86 NCG SIMD: Implement 128-bit integer vector shuffle
  
  This commit implements the following operations:
  
  * shuffle{Int,Word}8X16#
  * shuffle{Int,Word}16X8#
  * shuffle{Int,Word}32X4#
  * shuffle{Int,Word}64X2#
  
  See #25643
  

• 5eeb6645
  by Simon Peyton Jones at 2025-03-31T14:54:16-04:00

  Re-jig the way that the Simplifier tries RULES
  
  As #25170 showed, if a new RULE appears, it could change the simplifier's
  behaviour a bit, even if it never fires; and that messes up deterministic
  compilation.  (This was particularly nasty if the rule wasn't even transitively
  below the module being compiled.)
  
  This MR rejigs the use of `tryRules` so that behaviour does not change
  when a new, unrelated RULE is added.  It's described in
  
  * Note [When to apply rewrite rules]
  * Note [tryRules: plan (BEFORE)]
  * Note [tryRules: plan (AFTER)]
  
  The main change is in the refactored version of
    * simplOutId
    * rebuildCall
  The little state machine that was embedded in ArgInfo is gone.
  
  As I wandered around the Simplifier I also found opportunities for
  some loosely-related refactoring:
  
  * In several places, the /substitution/ in the SimpleEnv is empty;
    all we care about is the in-scope set and the flags.  So
    - I made a synonym `SimplEnvIS` that embodies that invariant,
    - used it in a number of type signatures (notably `rebuild`)
    - added some assertion checks (via `checkSimlEnvIS`)
  
  * I moved the hanlding of `runRW` out of `rebuildCall` (where we
    would have to test repeatedly) and into the new `simplOutId`, which
    fires up `rebuildCall`. Now it is only tested once.
  
  -------------------------
  Metric Decrease:
      T9020
      T9961
  -------------------------
  

• f534474a
  by sheaf at 2025-03-31T14:54:59-04:00

  Add comment: no qualified Names in the LocalRdrEnv
  
  This commit adds a reference to section 5.5.1 of the Haskell 2010 report,
  to explain that qualified names can't occur in the LocalRdrEnv.
  
  Fixes #25875
  

• d5ea80c6
  by Patrick at 2025-03-31T14:55:42-04:00

  Fix deadlock/loop in interface rehydration (#25858)
  
  In #25858, GHC hangs when processing modules with class defaults due to a
  circular dependency in the interface rehydration process. The deadlock/loop
  occurred when eager class defaults rehydration accessed not-yet-complete module details.
  
  To fix the immediate deadlock/loop.
  `tcIfaceDefaults` is refactored, we use the class name directly from the iface
  and use `forM` for lazy loading the class, which algins with the handling of other fields
  of ModDetails. This laziness ensure rehydration waits for HomePackageTable (HPT) to
  be updated and prevent premature evaluation of ModDetails inside `fixIO``.
  
  As suggested by Matthew, class defaults importing is also refactored
  to align with the compiler's established interface loading conventions.
  - add class defaults field to ExternalPackageState (EPS).
  - rehydrate and store class defaults in EPS at `loadInterface`.
  - Instead of using `tcIfaceDefaults` in `tcRnImports`, we add and use
    `tcGetClsDefaults` to read defaults directly from HPT or EPS
    when importing modules.
  
  Tests:
  - T25858, T25858v1-2: Test class hydration in defaults
  - T25858v3-4: Test type list hydration in defaults
  
  New Note [Tricky rehydrating IfaceDefaults loop] is added.
  
  Thanks to @sheaf (Sam), @mpickering (Matthew), and @simonpj (Simon) for their
  valuable input and analysis.
  
  Fixes #25858.
  

• 2d419d8d
  by Matthew Pickering at 2025-04-02T16:12:36-04:00

  Use unsafePerformIO in definition of computeFingerprint
  
  computeFingerprint is morally a pure function, which is implemented by
  mutating a buffer. Using unsafePerformIO inside the definition allows it
  to be used in pure contexts, fixing one place where an ad-hoc call to
  unsafePerformIO is already needed.
  

• ccdf979b
  by Matthew Pickering at 2025-04-02T16:12:37-04:00

  driver: Fix recompilation checking for exported defaults
  
  Since the exported defaults are not associated with any identifier from
  the module, they are just added to the export hash rather than
  the fine-grained recompilation logic.
  
  Fixes #25855
  

• c5bf9892
  by Matthew Pickering at 2025-04-02T16:12:37-04:00

  driver: Fix recompilation checking for COMPLETE pragmas
  
  A {-# COMPLETE P, Q #-} pragma is associated with the pattern synonyms P
  and Q during recompilation checking. Therefore, the existence of a
  pattern synonym becomes part of the ABI hash for P and Q.
  
  Then if a module uses these pattern synonyms and a complete pragma
  changes, it will trigger recompilation in that module.
  
  Fixes #25854
  

• d0fd9370
  by sheaf at 2025-04-02T16:14:05-04:00

  Handle named default exports separately
  
  This commit changes the way we check for duplicate exports of named
  default declarations. They are now treated entirely separately from
  other exports, because in an export list of the form
  
    module M ( default Cls, Cls )
  
  the default declaration does not export the class 'Cls', but only its
  default declarations.
  
  Also fixes a bug in Backpack where named default exports were getting
  dropped entirely. No test for that.
  
  Fixes #25857
  

• 62d04494
  by Cheng Shao at 2025-04-03T05:56:17-04:00

  ci: add x86_64-linux-ubuntu24_04 nightly/release jobs
  

• 327952e4
  by Cheng Shao at 2025-04-03T05:56:17-04:00

  rel-eng: add ubuntu24_04 bindists to ghcup metadata and fetch gitlab scripts
  

• aa1e3b8b
  by sheaf at 2025-04-03T05:57:24-04:00

  GHC settings: always unescape escaped spaces
  
  In #25204, it was noted that GHC didn't properly deal with having
  spaces in its executable path, as it would compute an invalid path
  for the C compiler.
  
  The original fix in 31bf85ee49fe2ca0b17eaee0774e395f017a9373 used a
  trick: escape spaces before splitting up flags into a list. This fixed
  the behaviour with extra flags (e.g. -I), but forgot to also unescape
  for non-flags, e.g. for an executable path (such as the C compiler).
  
  This commit rectifies this oversight by consistently unescaping the
  spaces that were introduced in order to split up argument lists.
  
  Fixes #25204
  

• 34a9b55d
  by lazyLambda at 2025-04-04T06:22:26-04:00

  Driver: make MonadComprehensions imply ParallelListComp
  
  This commit changes GHC.Driver.Flags.impliedXFlags to make the
  MonadComprehensions extension enable the ParallelListComp extension.
  
  Fixes #25645
  

• d99eb7cd
  by sheaf at 2025-04-04T06:23:28-04:00

  NamedDefaults: handle poly-kinded unary classes
  
  With this commit, we accept named default declarations for poly-kinded
  classes such as Typeable, e.g.
  
    default Typeable (Char)
  
  This used to fail because we assumed the kind of the class was monomorphic,
  e.g.
  
    Type -> Constraint
    (Type -> Type) -> Constraint
    Nat -> Constraint
  
  Now, we can handle a simple polymorphic class such as
  
    Typeable :: forall k. k -> Constraint
  
  Note that we keep the restriction that the class must only have
  one visible argument.
  
  This is all explained in the new Note [Instance check for default declarations]
  in GHC.Tc.Gen.Default.
  
  Fixes #25882
  

• 4cbc90de
  by sheaf at 2025-04-04T11:39:05-04:00

  LLVM: add type annotations to AtomicFetch_cmm.cmm
  

• e2237305
  by sheaf at 2025-04-04T11:39:05-04:00

  Cmm lint: lint argument types of CallishMachOps
  
  This commit adds a new check to Cmm lint to ensure that the argument
  types to a CallishMachOp are correct. The lack of this check was
  detected in the AtomicFetch test: the literals being passed as the
  second arguments to operations such as 'fetch_add', 'fetch_and'... were
  of the wrong width, which tripped up the LLVM backend.
  

• 9363e547
  by Cheng Shao at 2025-04-04T11:39:50-04:00

  ci: add ghc-wasm-meta integration testing jobs
  
  This patch adds ghc-wasm-meta integration testing jobs to the CI
  pipeline, which are only triggered via the `test-wasm` MR label or
  manually when the `wasm` label is set.
  
  These jobs will fetch the wasm bindists and test them against a
  variety of downstream projects, similarly to head.hackage jobs for
  native bindists, offering a convenient way to catch potential
  downstream breakage while refactoring the wasm backend.
  

• 27029e60
  by Adam Gundry at 2025-04-04T11:40:36-04:00

  base: Minor fixes to GHC.Records haddocks
  
  This corrects a stale reference to OverloadedRecordFields (which should
  be OverloadedRecordDot), fixes the haddock link syntax and adds an
  @since pragma.
  

• f827c4c6
  by Rodrigo Mesquita at 2025-04-07T11:22:10-04:00

  Parametrize default logger action with Handles
  
  Introduce `defaultLogActionWithHandles` to allow GHC applications to use
  GHC's formatting but using custom handles.
  
  `defaultLogAction` is then trivially reimplemented as
  ```
  defaultLogActionWithHandles stdout stderr
  ```
  

• 5dade5fd
  by sheaf at 2025-04-07T11:23:02-04:00

  Finer-grained recompilation checking for exports
  
  This commit refines the recompilation checking logic, to avoid
  recompiling modules with an explicit import list when the modules they
  import start exporting new items.
  
  More specifically, when:
  
    1. module N imports module M,
    2. M is changed, but in a way that:
        a. preserves the exports that N imports
        b. does not introduce anything that forces recompilation downstream,
           such as orphan instances
  
  then we no longer require recompilation of N.
  
  Note that there is more to (2a) as initially meets the eye:
  
    - if N includes a whole module or "import hiding" import of M,
      then we require that the export list of M does not change,
    - if N only includes explicit imports, we check that the imported
      items don't change, e.g.
  
        - if we have @import M(T(K, f), g)@, we must check that N
          continues to export all these identifiers, with the same Avail
          structure (i.e. we should error if N stops bundling K or f with
          T)
        - if we have @import M(T(..))@, we must check that the children
          of T have not changed
  
  See Note [When to recompile when export lists change?] in GHC.Iface.Recomp.
  
  This is all tested in the new tests RecompExports{1,2,3,4,5}
  
  Fixes #25881
  

• f32d6c2b
  by Andreas Klebinger at 2025-04-07T22:01:25-04:00

  NCG: AArch64 - Add -finter-module-far-jumps.
  
  When enabled the arm backend will assume jumps to targets outside of the
  current module are further than 128MB away.
  
  This will allow for code to work if:
  * The current module results in less than 128MB of code.
  * The whole program is loaded within a 4GB memory region.
  
  We have seen a few reports of broken linkers (#24648) where this flag might allow
  a program to compile/run successfully at a very small performance cost.
  
  -------------------------
  Metric Increase:
      T783
  -------------------------
  

• 553c280b
  by Andreas Klebinger at 2025-04-07T22:02:11-04:00

  Revert "rts: fix small argument passing on big-endian arch (fix #23387)"
  
  Based on analysis documented in #25791 this doesn't fully fix the big
  while introducing new bugs on little endian architectures.
  
  A more complete fix will have to be implemented to fix #23387
  
  This reverts commit 4f02d3c1a7b707e609bb3aea1dc6324fa19a5c39.
  

• b0dc6599
  by Andreas Klebinger at 2025-04-07T22:02:11-04:00

  Interpreter: Fixes to handling of subword value reads/writes.
  
  Load subword values as full words from the stack truncating/expanding as
  neccesary when dealing with subwords. This way byte order is implicitly
  correct.
  
  This commit also fixes the order in which we are pushing literals onto
  the stack on big endian archs.
  
  Last but not least we enable a test for ghci which actually tests these
  subword operations.
  

• ed38c09b
  by Cheng Shao at 2025-04-07T22:02:53-04:00

  testsuite: don't test WasmControlFlow stdout
  
  This patch solves a potential test flakiness in `WasmControlFlow` by
  removing `WasmControlFlow.stdout` which is not so portable/stable as
  it seems. See added `Note [WasmControlFlow]` for more detailed
  explanation.
  

• f807c590
  by Rodrigo Mesquita at 2025-04-08T17:41:51-04:00

  debugger: Add docs to obtainTermFromId
  

• 5dba052d
  by Rodrigo Mesquita at 2025-04-08T17:41:51-04:00

  Move logic to find and set Breakpoint to GHC
  
  Breakpoints are uniquely identified by a module and an index unique
  within that module. `ModBreaks` of a Module contains arrays mapping from
  this unique breakpoint index to information about each breakpoint. For
  instance, `modBreaks_locs` stores the `SrcSpan` for each breakpoint.
  
  To find a breakpoint using the line number you need to go through all
  breakpoints in the array for a given module and look at the line and
  column stored in the `SrcSpan`s. Similarly for columns and finding
  breakpoints by name.
  
  This logic previously lived within the `GHCi` application sources,
  however, it is common to any GHC applications wanting to set
  breakpoints, like the upcoming `ghc-debugger`.
  
  This commit moves this logic for finding and setting breakpoints to the
  GHC library so it can be used by both `ghci` and `ghc-debugger`.
  

• bc0b9f73
  by Rodrigo Mesquita at 2025-04-08T17:41:51-04:00

  Refactor and move logic for identifier breakpoints
  
  Breakpoints can be set on functions using syntax of the form
  `[Module.]function`. The parsing, resolution (e.g. inferring implicit
  module), and validation of this syntax for referring to functions was
  tightly coupled with its GHCi use.
  
  This commit extracts the general purpose bits of resolving this syntax
  into `GHC.Runtime.Debugger.Breakpoints` so it can be further used by
  other GHC applications and to improve the code structure of GHCi.
  
  Moreover, a few utilities that do splitting and joining of identifiers
  as strings were moved to `GHC.Runtime.Eval.Utils`, which also can be
  used in the future to clean up `GHC.Runtime.Eval` a bit.
  

• 4f728d21
  by Rodrigo Mesquita at 2025-04-08T17:41:51-04:00

  debugger: derive Ord for BreakpointIds
  

• 5528771c
  by Rodrigo Mesquita at 2025-04-08T17:41:51-04:00

  debugger: Move context utils from GHCi to GHC
  
  Moves `enclosingTickSpan`, `getCurrentBreakSpan`, and
  `getCurrentBreakModule`, general utilities on the internal debugger
  state, into the GHC library.
  

• 4871f543
  by sheaf at 2025-04-08T17:42:43-04:00

  Implicit quantification in type synonyms: add test
  
  This adds a test for ticket #24090, which involves implicit
  quantification in type synonyms.
  The underlying issue was fixed in 0d4ee209dfe53e5074d786487f531dabc36d561c.
  

• 48917d3c
  by sheaf at 2025-04-08T17:42:44-04:00

  Turn on implicit-rhs-quantification by default
  
  This flag was added to GHC 9.8, and will be removed in a future GHC
  release. In preparation, this commit adds it to the default warning
  flags.
  

• 629be068
  by Rodrigo Mesquita at 2025-04-08T17:43:26-04:00

  debugger: Add breakpoints to every Stmt
  
  While single-stepping through a Haskell program we stop at every
  breakpoint. However, we don't introduce breakpoints at every single
  expression (e.g. single variables) because they would be too many and
  uninteresting.
  
  That said, in a do-block, it is expected that stepping over would break
  at every line, even if it isn't particularly interesting (e.g. a single
  arg like getArgs). Moreover, let-statements in do-blocks, despite only
  being evaluated once needed, lead to surprising jumps while stepping
  through because some have outermost (outside the let) breakpoints
  while others don't.
  
  This commit makes every statement in a do-block have a breakpoint.
  This leads to predictable stepping through in a do-block.
  Duplicate breakpoints in the same location are avoided using the
  existing blacklist mechanism, which was missing a check in one relevant place.
  
  Fixes #25932
  

• 99a3affd
  by Matthew Pickering at 2025-04-08T17:44:08-04:00

  driver: refactor: Split downsweep and MakeAction into separate modules.
  
  This will facilitate using the downsweep functions in other parts of
  the compiler than just --make mode.
  
  Also, the GHC.Driver.Make module was huge. Now it's still huge but
  slightly smaller!
  

• ecfec4df
  by sheaf at 2025-04-09T14:13:12-04:00

  Store user-written qualification in the GhcRn AST
  
  This commit ensures we store the original user-written module
  qualification in the renamed AST. This allows us to take into account
  the user-written qualification in error messages.
  
  Fixes #25877
  

• 97c884e2
  by sheaf at 2025-04-09T14:13:12-04:00

  TcRnIllegalTermLevelUse: simpler error when possible
  
  This commit makes GHC emit a simple error message in the case of an
  illegal term-level use of a data constructor: we will try to report an
  out-of-scope error instead of a "Illegal term level use" error, as the
  latter might be a bit overwhelming for newcomers.
  
  We do this when we have a data constructor import suggestion to provide
  to the user. For example:
  
    module M where { data A = A }
  
    module N where
      import M(A)
  
      x = Bool
      -- Illegal term-level use of Bool
  
      y = A
      -- Data constructor not in scope: A.
      -- Perhaps add 'A' to the import list of 'M'.
  
  This commit also revamps the "similar names" suggestion mechanism,
  and in particular its treatment of name spaces. Now, which name spaces
  we suggest is based solely on what we are looking for, and no longer on
  the NameSpace of the Name we have. This is because, for illegal term-level
  use errors, it doesn't make much sense to change the suggestions based
  on the fact that we resolved to e.g. a type constructor/class; what
  matters is what we were expecting to see in this position.
  See GHC.Rename.Unbound.{suggestionIsRelevant,relevantNameSpace} as well
  as the new constructors to GHC.Tc.Errors.Types.WhatLooking.
  
  Fixes #23982
  

• bff645ab
  by Rodrigo Mesquita at 2025-04-09T14:13:57-04:00

  driver: Split Session functions out of Main
  
  This commit moves out functions that help in creating and validating a
  GHC multi session from Main into the ghc library where they can be used by
  other GHC applications.
  
  Moreover, `Mode` processing and `checkOptions` linting were moved to
  separate modules within the ghc-bin executable package.
  
  In particular:
  
  - Move `Mode` types and functions (referring to the mode GHC is running
    on) to `ghc-bin:GHC.Driver.Session.Mode`
  
  - Move `checkOptions` and aux functions, which validates GHC DynFlags
    based on the mode, to `ghc-bin:GHC.Driver.Session.Lint`
  
  - Moves `initMulti`, `initMake`, and aux functions, which initializes a make/multi-unit
    session, into `ghc:GHC.Driver.Session.Units`.
  

• 501b015e
  by Rodrigo Mesquita at 2025-04-09T14:13:57-04:00

  docs: Improve haddock of ExecComplete
  

• dea98988
  by Andreas Klebinger at 2025-04-09T19:23:57-04:00

  Avoid oversaturing constructor workers.
  
  Constructor applications always need to take the exact number of
  arguments. If we can't ensure that instead apply the constructor worker
  like a regular function.
  
  Fixes #23865
  

• f1acdd2c
  by sheaf at 2025-04-09T19:25:41-04:00

  NamedDefaults: require the class to be standard
  
  We now only default type variables if they only appear in constraints
  of the form `C v`, where `C` is either a standard class or a class with
  an in-scope default declaration.
  
  This rectifies an oversight in the original implementation of the
  NamedDefault extensions that was remarked in #25775; that implementation
  allowed type variables to appear in unary constraints which had arbitrary
  classes at the head.
  
  See the rewritten Note [How type-class constraints are defaulted] for
  details of the implementation.
  
  Fixes #25775
  Fixes #25778
  

• 5712e0d6
  by Vladislav Zavialov at 2025-04-10T05:17:38+00:00

  Retry type/class declarations and instances (#12088)
  
  Retry type/class declarations and instances to account for non-lexical
  dependencies arising from type/data family instances.
  
  This patch improves the kind checker's ability to use type instances in kind
  checking of other declarations in the same module.
  
  * Key change: tcTyAndClassDecls now does multiple passes over the TyClGroups,
    as long as it is able to make progress.
    See the new Note [Retrying TyClGroups] in GHC.Tc.TyCl
  
  * Supporting change: FVs of a TyClGroup are now recorded in its extension
    field, namely XCTyClGroup.
    See the new Note [Prepare TyClGroup FVs] in GHC.Rename.Module
  
  * Instances are no longer inserted at the earliest positions where their FVs
    are bound. This is a simplification.
    See the new Note [Put instances at the end] in GHC.Rename.Module
  
  * Automatic unpacking is now more predictable, but fewer fields get unpacked
    by default. Use explicit {-# UNPACK #-} pragmas instead.
    See the new Note [Flaky -funbox-strict-fields with type/data families]
  
  For the wide range of newly accepted programs, consult the added test cases.
  
  Fixed tickets:
      #12088, #12239, #14668, #15561, #16410, #16448, #16693,
      #19611, #20875, #21172, #22257, #25238, #25834
  
  Metric Decrease:
      T8095
  

• bc73a78d
  by sheaf at 2025-04-10T15:07:24-04:00

  checkFamApp: don't be so eager to cycle break
  
  As remarked in #25933, a pure refactoring of checkTyEqRhs in
  ab77fc8c7adebd610aa0bd99d653f9a6cc78a374 inadvertently changed behaviour,
  as it caused GHC to introduce cycle-breaker variables in some
  unnecessary circumstances.
  
  This commit refactors 'GHC.Tc.Utils.Unify.checkFamApp' in a way that
  should restore the old behaviour, so that, when possible, we first
  recur into the arguments and only introduce a cycle breaker if this
  recursion fails (e.g. due to an occurs check failure).
  
  Fixes #25933
  

• 3acd8182
  by Andreas Klebinger at 2025-04-10T22:32:12-04:00

  Expand docs for RTS flag `-M`.
  
  The behaviour of how/when exceptions are raised was not really covered
  in the docs.
  

• 026c1a39
  by Adam Sandberg Ericsson at 2025-04-10T22:32:56-04:00

  add cases for more SchedulerStatus codes in rts_checkSchedStatus

• 5977c6a1
  by sheaf at 2025-04-10T22:33:46-04:00

  Squash warnings in GHC.Runtime.Heap.Inspect
  
  There were incomplete record selector warnings in GHC.Runtime.Heap.Inspect
  due to the use of the partial 'dataArgs' record selector. This is fixed
  by passing the fields to the 'extractSubTerms' function directly,
  rather than passing a value of the parent data type.
  

• 6a3e38f5
  by Andreas Klebinger at 2025-04-11T15:13:53-04:00

  hadrian: Make ghcWithInterpreter the universal source of truth about availability of the interpreter
  
  We were doing some ad-hoc checks in different places in hadrian to
  determine whether we supported the interprter or not. Now this check if
  confined to one function, `ghcWithInterpreter`, and all the places which
  use this information consult `ghcWithInterpreter` to determine what to
  do.
  
  Fixes #25533.
  

• 207de6f1
  by Matthew Pickering at 2025-04-11T15:14:37-04:00

  testsuite: Fix running TH tests with profiled dynamic compiler
  
  Previously, I had failed to update the ghc_th_way_flags logic for the
  profiled dynamic compiler.
  
  In addition to this `ghc_dynamic` was incorrectly set for profiled
  dynamic compiler.
  
  I also updated MultiLayerModulesTH_OneShot test to work for any compiler
  linkage rather than just dynamic.
  
  Fixes #25947
  
  -------------------------
  Metric Decrease:
      MultiLayerModulesTH_Make
  -------------------------
  

• 5455f2b9
  by Matthew Pickering at 2025-04-12T08:31:36-04:00

  driver: Add support for "Fixed" nodes in the ModuleGraph
  
  A fixed node in the module graph is one which we presume is already
  built. It's therefore up to the user to make sure that the interface
  file and any relevant artifacts are available for a fixed node.
  
  Fixed/Compile nodes are represented by the ModuleNodeInfo type, which
  abstracts the common parts of Fixed/Compile nodes with accessor
  functions of type `ModuleNodeInfo -> ...`.
  
  Fixed nodes can only depend on other fixed nodes. This invariant can be
  checked by the function `checkModuleGraph` or `mkModuleGraphChecked`.
  
  --make mode is modified to work with fixed mode. In order to "compile" a
  fixed node, the artifacts are just loaded into the HomePackageTable.
  Currently nothing in the compiler will produce Fixed nodes but this is
  tested with the FixedNodes GHC API test.
  
  In subsequent patches we are going to remove the ExternalModuleGraph and
  use Fixed nodes for modules in the module graph in oneshot mode.
  
  Fixes #25920
  

• ad64d5c2
  by Cheng Shao at 2025-04-12T08:32:19-04:00

  ci: remove manual case of ghc-wasm-meta downstream testing jobs
  
  This patch removes the manual case of ghc-wasm-meta downstream testing
  jobs; now the only way of including them in the pipeline and running
  them is via the test-wasm label.
  
  The reason of the removal is it proves to be problematic for MRs with
  only the wasm label; the wasm job would succeed, then the pipeline
  status would be waiting for manual action instead of succeeding. There
  needs to be separate jobs for the label-triggered and manual-triggered
  cases, but I don't think it's worth that extra complexity, the
  label-triggered case is already sufficient.
  

• b34890c7
  by Vladislav Zavialov at 2025-04-13T01:08:21+03:00

  Fix EmptyCase panic in tcMatches (#25960)
  
  Due to faulty reasoning in Note [Pattern types for EmptyCase],
  tcMatches was too keen to panic.
  
  * Old (incorrect) assumption: pat_tys is a singleton list.
    This does not hold when \case{} is checked against a function type
    preceded by invisible forall. See the new T25960 test case.
  
  * New (hopefully correct) assumption: vis_pat_tys is a singleton list.
    This should follow from:
  
      checkArgCounts :: MatchGroup GhcRn ... -> TcM VisArity
      checkArgCounts (MG { mg_alts = L _ [] })
        = return 1
      ...
  

• 84806ebc
  by Vladislav Zavialov at 2025-04-13T11:40:08-04:00

  Remove unused type: TokenLocation
  

• 05eb50df
  by Vladislav Zavialov at 2025-04-13T19:16:38-04:00

  Register EpToken in Parser.PostProcess.Haddock (#22558)
  
  This change allows us to reject more badly placed Haddock comments.
  Examples:
  
    module
      -- | Bad comment for the module
      T17544_kw where
  
    data Foo -- | Bad comment for MkFoo
      where MkFoo :: Foo
  
    newtype Bar -- | Bad comment for MkBar
      where MkBar :: () -> Bar
  
    class Cls a
        -- | Bad comment for clsmethod
      where
        clsmethod :: a
  

• 01944e5e
  by Vladislav Zavialov at 2025-04-13T19:17:21-04:00

  Reject puns in T2T (#24153)
  
  This patch implements pun detection in T2T. Consider:
  
    x = 42
    f, g :: forall a -> ...
    f (type x) = g x
  
  In accordance with the specification, the `g x` function call is renamed
  as a term, so `x` refers to the top-level binding `x = 42`, not to the
  type variable binding `type x` as one might expect.
  
  This is somewhat counterintuitive because `g` expects a type argument.
  Forbidding puns in T2T allows us to produce a helpful error message:
  
    Test.hs:5:16: error: [GHC-09591]
      Illegal punned variable occurrence in a required type argument.
      The name ‘x’ could refer to:
        ‘x’ defined at Test.hs:3:1
        ‘x’ bound at Test.hs:5:9
  
  This commit is a follow up to 0dfb1fa799af254c8a1e1045fc3996af2d57a613
  where checking for puns was left as future work.
  

• cc580552
  by Vladislav Zavialov at 2025-04-13T19:18:02-04:00

  Additional test cases for #12088, #13790
  
  Extract more test cases from ticket discussions, including multi-module
  examples. Follow up to 5712e0d646f611dfbfedfd7ef6dff3a18c016edb
  

• d47bf776
  by Matthew Pickering at 2025-04-14T16:44:41+01:00

  driver: Use ModuleGraph for oneshot and --make mode
  
  This patch uses the `hsc_mod_graph` field for both oneshot and --make
  mode. Therefore, if part of the compiler requires usage of the module
  graph, you do so in a uniform way for the two different modes.
  
  The `ModuleGraph` describes the relationship between the modules in the
  home package and units in external packages. The `ModuleGraph` can be
  queried when information about the transitive closure of a package is
  needed. For example, the primary use of the ModuleGraph from within the
  compiler is in the loader, which needs to know the transitive closure of
  a module so it can load all the relevant objects for evaluation.
  
  In --make mode, downsweep computes the ModuleGraph before any
  compilation starts.
  
  In oneshot mode, a thunk is created at the start of compilation, which
  when forced will compute the module graph beneath the current module.
  The thunk is only forced at the moment when the user uses Template
  Haskell.
  
  Finally, there are some situations where we need to discover what
  dependencies to load but haven't loaded a module graph at all. In this
  case, there is a fallback which computes the transitive closure on the
  fly and doesn't cache the result. Presumably if you are going to call
  getLinkDeps a lot, you would compute the right ModuleGraph before you
  started.
  
  Importantly, this removes the ExternalModuleGraph abstraction. This was quite
  awkward to work with since it stored information about the home package
  inside the EPS.
  
  This patch will also be very useful when implementing explicit level
  imports, which requires more significant use of the module graph in
  order to determine which level instances are available at.
  
  Towards #25795
  
  -------------------------
  Metric Decrease:
      MultiLayerModulesTH_Make
      MultiLayerModulesTH_OneShot
  -------------------------
  

• 395e0ad1
  by sheaf at 2025-04-16T12:33:26-04:00

  base: remove .Internal modules (e.g. GHC.TypeLits)
  
  This commit removes the following internal modules from base,
  as per CLC proposal 217:
  
    - GHC.TypeNats.Internal
    - GHC.TypeLits.Internal
    - GHC.ExecutionStack.Internal
  
  Fixes #25007
  

• e0f3ff11
  by Patrick at 2025-04-17T04:31:12-04:00

  Refactor Handling of Multiple Default Declarations
  
  Fixes: #25912, #25914, #25934
  
  Previously, GHC discarded all loaded defaults (tcg_default) when local
  defaults were encountered during typechecking. According to the
  exportable-named-default proposal (sections 2.4.2 and 2.4.3), local
  defaults should be merged into tcg_default, retaining any defaults
  already present while overriding where necessary.
  
  Key Changes:
  
  * Introduce DefaultProvenance to track the origin of default declarations
    (local, imported, or built-in), replacing the original cd_module
    in ClassDefaults with cd_provenance :: DefaultProvenance.
  * Rename tcDefaults to tcDefaultDecls, limiting its responsibility to only
    converting renamed class defaults into ClassDefaults.
  * Add extendDefaultEnvWithLocalDefaults to merge local defaults into the
    environment, with proper duplication checks:
    - Duplicate local defaults for a class trigger an error.
    - Local defaults override imported or built-in defaults.
  * Update and add related notes: Note [Builtin class defaults],
    Note [DefaultProvenance].
  * Add regression tests: T25912, T25914, T25934.
  
  Thanks sam and simon for the help on this patch.
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  

• 386f1854
  by Teo Camarasu at 2025-04-17T04:31:55-04:00

  template-haskell: Remove `addrToByteArrayName` and `addrToByteArray`
  
  These were part of the implementation of the `Lift ByteArray` instance and were errornously exported because this module lacked an explicit export list. They have no usages on Hackage.
  
  Resolves #24782
  

• b96e2f77
  by Sylvain Henry at 2025-04-18T20:46:33-04:00

  RTS: remove target info and fix host info (#24058)
  
  The RTS isn't a compiler, hence it doesn't have a target and we remove
  the reported target info displayed by "+RTS --info". We also fix the
  host info displayed by "+RTS --info": the host of the RTS is the
  RTS-building compiler's target, not the compiler's host (wrong when
  doing cross-compilation).
  

• 6d9965f4
  by Sylvain Henry at 2025-04-18T20:46:33-04:00

  RTS: remove build info
  
  As per the discussion in !13967, there is no reason to tag the RTS with
  information about the build platform.
  

• d52e9b3f
  by Vladislav Zavialov at 2025-04-18T20:47:15-04:00

  Diagnostics: remove the KindMismatch constructor (#25957)
  
  The KindMismatch constructor was only used as an intermediate
  representation in pretty-printing.
  
  Its removal addresses a problem detected by the "codes" test case:
  
    [GHC-89223] is untested (constructor = KindMismatch)
  
  In a concious deviation from the usual procedure, the error code
  GHC-89223 is removed entirely rather than marked as Outdated.
  The reason is that it never was user-facing in the first place.
  

• e2f2f9d0
  by Vladislav Zavialov at 2025-04-20T10:53:39-04:00

  Add name for -Wunusable-unpack-pragmas
  
  This warning had no name or flag and was triggered unconditionally.
  Now it is part of -Wdefault.
  
  In GHC.Tc.TyCl.tcTyClGroupsPass's strict mode, we now have to
  force-enable this warning to ensure that detection of flawed groups
  continues to work even if the user disables the warning with the
  -Wno-unusable-unpack-pragmas option. Test case: T3990c
  
  Also, the misnamed BackpackUnpackAbstractType is now called
  UnusableUnpackPragma.
  

• 6caa6508
  by Adam Gundry at 2025-04-20T10:54:22-04:00

  Fix specialisation of incoherent instances (fixes #25883)
  
  GHC normally assumes that class constraints are canonical, meaning that
  the specialiser is allowed to replace one dictionary argument with another
  provided that they have the same type.  The `-fno-specialise-incoherents`
  flag alters INCOHERENT instance definitions so that they will prevent
  specialisation in some cases, by inserting `nospec`.
  
  This commit fixes a bug in 7124e4ad76d98f1fc246ada4fd7bf64413ff2f2e, which
  treated some INCOHERENT instance matches as if `-fno-specialise-incoherents`
  was in effect, thereby unnecessarily preventing specialisation. In addition
  it updates the relevant `Note [Rules for instance lookup]` and adds a new
  `Note [Canonicity for incoherent matches]`.
  

• 0426fd6c
  by Adam Gundry at 2025-04-20T10:54:23-04:00

  Add regression test for #23429
  

• eec96527
  by Adam Gundry at 2025-04-20T10:54:23-04:00

  user's guide: update specification of overlapping/incoherent instances
  
  The description of the instance resolution algorithm in the user's
  guide was slightly out of date, because it mentioned in-scope given
  constraints only at the end, whereas the implementation checks for
  their presence before any of the other steps.
  
  This also adds a warning to the user's guide about the impact of
  incoherent instances on specialisation, and more clearly documents
  some of the other effects of `-XIncoherentInstances`.
  

• a00eeaec
  by Matthew Craven at 2025-04-20T10:55:03-04:00

  Fix bytecode generation for `tagToEnum# <LITERAL>`
  
  Fixes #25975.
  

• 2e204269
  by Andreas Klebinger at 2025-04-22T12:20:41+02:00

  Simplifier: Constant fold invald tagToEnum# calls to bottom expr.
  
  When applying tagToEnum# to a out-of-range value it's best to simply
  constant fold it to a bottom expression. That potentially allows more
  dead code elimination and makes debugging easier.
  
  Fixes #25976
  

• 7250fc0c
  by Matthew Pickering at 2025-04-22T16:24:04-04:00

  Move -fno-code note into Downsweep module
  
  This note was left behind when all the code which referred to it was
  moved into the GHC.Driver.Downsweep module
  

• d2dc89b4
  by Matthew Pickering at 2025-04-22T16:24:04-04:00

  Apply editing notes to Note [-fno-code mode] suggested by sheaf
  
  These notes were suggested in https://gitlab.haskell.org/ghc/ghc/-/merge_requests/14241
  

• 91564daf
  by Matthew Pickering at 2025-04-24T00:29:02-04:00

  ghci: Use loadInterfaceForModule rather than loadSrcInterface in mkTopLevEnv
  
  loadSrcInterface takes a user given `ModuleName` and resolves it to the
  module which needs to be loaded (taking into account module
  renaming/visibility etc).
  
  loadInterfaceForModule takes a specific module and loads it.
  
  The modules in `ImpDeclSpec` have already been resolved to the actual
  module to get the information from during renaming. Therefore we just
  need to fetch the precise interface from disk (and not attempt to rename
  it again).
  
  Fixes #25951
  

• 2e0c07ab
  by Simon Peyton Jones at 2025-04-24T00:29:43-04:00

  Test for #23298
  

• 0eef99b0
  by Sven Tennie at 2025-04-24T07:34:36-04:00

  RV64: Introduce J instruction (non-local jumps) and don't deallocate stack slots for J_TBL (#25738)
  
  J_TBL result in local jumps, there should not deallocate stack slots
  (see Note [extra spill slots].)
  
  J is for non-local jumps, these may need to deallocate stack slots.
  

• 1bd3d13e
  by fendor at 2025-04-24T07:35:17-04:00

  Add `UnitId` to `EvalBreakpoint`
  
  The `EvalBreakpoint` is used to communicate that a breakpoint was
  encountered during code evaluation.
  This `EvalBreakpoint` needs to be converted to an `InternalBreakpointId`
  which stores a `Module` to uniquely find the correct `Module` in the
  Home Package Table.
  
  The `EvalBreakpoint` used to store only a `ModuleName` which is then
  converted to a `Module` based on the currently active home unit.
  This is incorrect in the face of multiple home units, the break point
  could be in an entirely other home unit!
  To fix this, we additionally store the `UnitId` of the `Module` in
  `EvalBreakpoint` to later reconstruct the correct `Module`
  
  All of the changes are the consequence of extending `EvalBreakpoint`
  with the additional `ShortByteString` of the `UnitId`.
  
  For performance reasons, we store the `ShortByteString` backing the
  `UnitId` directly, avoiding marshalling overhead.
  

• fe6ed8d9
  by Sylvain Henry at 2025-04-24T18:04:12-04:00

  Doc: add doc for JS interruptible calling convention (#24444)
  

• 6111c5e4
  by Ben Gamari at 2025-04-24T18:04:53-04:00

  compiler: Ensure that Panic.Plain.assertPanic' provides callstack
  
  In 36cddd2ce1a3bc62ea8a1307d8bc6006d54109cf @alt-romes removed CallStack
  output from `GHC.Utils.Panic.Plain.assertPanic'`. While this output is
  redundant due to the exception backtrace proposal, we may be
  bootstrapping with a compiler which does not yet include this machinery.
  Reintroduce the output for now.
  
  Fixes #25898.
  

• 217caad1
  by Matthew Pickering at 2025-04-25T18:58:42+01:00

  Implement Explicit Level Imports for Template Haskell
  
  This commit introduces the `ExplicitLevelImports` and
  `ImplicitStagePersistence` language extensions as proposed in GHC
  Proposal #682.
  
  Key Features
  ------------
  
  - `ExplicitLevelImports` adds two new import modifiers - `splice` and
    `quote` - allowing precise control over the level at which imported
    identifiers are available
  - `ImplicitStagePersistence` (enabled by default) preserves existing
    path-based cross-stage persistence behavior
  - `NoImplicitStagePersistence` disables implicit cross-stage
    persistence, requiring explicit level imports
  
  Benefits
  --------
  
  - Improved compilation performance by reducing unnecessary code generation
  - Enhanced IDE experience with faster feedback in `-fno-code` mode
  - Better dependency tracking by distinguishing compile-time and runtime dependencies
  - Foundation for future cross-compilation improvements
  
  This implementation enables the separation of modules needed at
  compile-time from those needed at runtime, allowing for more efficient
  compilation pipelines and clearer code organization in projects using
  Template Haskell.
  
  Implementation Notes
  --------------------
  
  The level which a name is availble at is stored in the 'GRE', in the normal
  GlobalRdrEnv. The function `greLevels` returns the levels which a specific GRE
  is imported at. The level information for a 'Name' is computed by `getCurrentAndBindLevel`.
  The level validity is checked by `checkCrossLevelLifting`.
  
  Instances are checked by `checkWellLevelledDFun`, which computes the level an
  instance by calling `checkWellLevelledInstanceWhat`, which sees what is
  available at by looking at the module graph.
  
  Modifications to downsweep
  --------------------------
  
  Code generation is now only enabled for modules which are needed at
  compile time.
  See the Note [-fno-code mode] for more information.
  
  Uniform error messages for level errors
  ---------------------------------------
  
  All error messages to do with levels are now reported uniformly using
  the `TcRnBadlyStaged` constructor.
  
  Error messages are uniformly reported in terms of levels.
  
  0 - top-level
  1 - quote level
  -1 - splice level
  
  The only level hard-coded into the compiler is the top-level in
  GHC.Types.ThLevelIndex.topLevelIndex.
  
  Uniformly refer to levels and stages
  ------------------------------------
  
  There was much confusion about levels vs stages in the compiler.
  A level is a semantic concept, used by the typechecker to ensure a
  program can be evaluated in a well-staged manner.
  
  A stage is an operational construct, program evaluation proceeds in
  stages.
  
  Deprecate -Wbadly-staged-types
  ------------------------------
  
  `-Wbadly-staged-types` is deprecated in favour of `-Wbadly-levelled-types`.
  
  Lift derivation changed
  -----------------------
  
  Derived lift instances will now not generate code with expression
  quotations.
  
  Before:
  
  ```
  data A = A Int deriving Lift
  
  =>
  lift (A x) = [| A $(lift x) |]
  ```
  
  After:
  
  ```
  lift (A x) = conE 'A `appE` (lift x)
  ```
  
  This is because if you attempt to derive `Lift` in a module where
  `NoImplicitStagePersistence` is enabled, you would get an infinite loop
  where a constructor was attempted to be persisted using the instance you
  are currently defining.
  
  GHC API Changes
  ---------------
  
  The ModuleGraph now contains additional information about the type of
  the edges (normal, quote or splice) between modules. This is abstracted
  using the `ModuleGraphEdge` data type.
  
  Fixes #25828
  
  -------------------------
  Metric Increase:
      MultiLayerModulesTH_Make
  -------------------------
  

• 7641a74a
  by Simon Peyton Jones at 2025-04-26T22:05:19-04:00

  Get a decent MatchContext for pattern synonym bindings
  
  In particular when we have a pattern binding
      K p1 .. pn = rhs
  where K is a pattern synonym.  (It might be nested.)
  
  This small MR fixes #25995.  It's a tiny fix, to an error message,
  removing an always-dubious `unkSkol`.
  
  The bug report was in the context of horde-ad, a big program,
  and I didn't manage to make a small repro case quickly. I decided
  not to bother further.
  

• ce616f49
  by Simon Peyton Jones at 2025-04-27T21:10:25+01:00

  Fix infelicities in the Specialiser
  
  On the way to #23109 (unary classes) I discovered some infelicities
  (or maybe tiny bugs, I forget) in the type-class specialiser.
  
  I also tripped over #25965, an outright bug in the rule matcher
  
  Specifically:
  
  * Refactor: I enhanced `wantCallsFor`, whih previously always said
  `True`, to discard calls of class-ops, data constructors etc.  This is
  a bit more efficient; and it means we don't need to worry about
  filtering them out later.
  
  * Fix: I tidied up some tricky logic that eliminated redundant
    specialisations.  It wasn't working correctly.  See the expanded
    Note [Specialisations already covered], and
    (MP3) in Note [Specialising polymorphic dictionaries].
  
    See also the new top-level `alreadyCovered`
    function, which now goes via `GHC.Core.Rules.ruleLhsIsMoreSpecific`
  
    I also added a useful Note [The (CI-KEY) invariant]
  
  * Fix #25965: fixed a tricky bug in the `go_fam_fam` in
    `GHC.Core.Unify.uVarOrFam`, which allows matching to succeed
    without binding all type varibles.
  
    I enhanced Note [Apartness and type families] some more
  
  * #25703. This ticket "just works" with -fpolymorphic-specialisation;
    but I was surprised that it worked! In this MR I added documentation
    to Note [Interesting dictionary arguments] to explain; and tests to
    ensure it stays fixed.
  

• 22d11fa8
  by Simon Peyton Jones at 2025-04-28T18:05:19-04:00

  Track rewriter sets more accurately in constraint solving
  
  The key change, which fixed #25440, is to call `recordRewriter` in
  GHC.Tc.Solver.Rewrite.rewrite_exact_fam_app.  This missing call meant
  that we were secretly rewriting a Wanted with a Wanted, but not really
  noticing; and that led to a very bad error message, as you can see
  in the ticket.
  
  But of course that led me into rabbit hole of other refactoring around
  the RewriteSet code:
  
  * Improve Notes [Wanteds rewrite Wanteds]
  
  * Zonk the RewriterSet in `zonkCtEvidence` rather than only in GHC.Tc.Errors.
    This is tidier anyway (e.g. de-clutters debug output), and helps with the
    next point.
  
  * In GHC.Tc.Solver.Equality.inertsCanDischarge, don't replace a constraint
    with no rewriters with an equal constraint that has many. See
    See (CE4) in Note [Combining equalities]
  
  * Move zonkRewriterSet and friends from GHC.Tc.Zonk.Type into
    GHC.Tc.Zonk.TcType, where they properly belong.
  
  A handful of tests get better error messages.
  
  For some reason T24984 gets 12% less compiler allocation -- good
  
  Metric Decrease:
      T24984
  

• 6467d61e
  by Brandon Chinn at 2025-04-29T18:36:03-04:00

  Fix lexing "\^\" (#25937)
  
  This broke in the refactor in !13128, where the old code parsed escape
  codes and collapsed string gaps at the same time, but the new code
  collapsed gaps first, then resolved escape codes. The new code used a
  naive heuristic to skip escaped backslashes, but didn't account for
  "\^\".
  

• 99868a86
  by Jens Petersen at 2025-04-29T18:36:44-04:00

  hadrian: default selftest to disabled

• aba2a4a5
  by Zubin Duggal at 2025-04-30T06:35:59-04:00

  get-win32-tarballs.py: List tarball files to be downloaded if we cannot find them
  
  Fixes #25929
  

• d99a617b
  by Ben Gamari at 2025-04-30T06:36:40-04:00

  Move Data ModuleName instance to Language.Haskell.Syntax.Module.Name
  
  Fixes #25968.
  

• 9995c2b7
  by Serge S. Gulin at 2025-05-04T17:13:36+03:00

  Support for ARM64 Windows (LLVM-enabled) (fixes #24603)
  
  1. Add Windows AArch64 cross-compilation support via CI jobs
  Introduce new CI configurations for cross-compiling to Windows ARM64 using Debian12Wine, FEX, and MSYS2.
  Configure toolchain variables for LLVM MinGW and Wine emulation in CI pipelines.
  
  2. Adjust compiler and RTS for AArch64 Windows compatibility
  Reserve register `x18` on Windows and Darwin platforms in AArch64 codegen.
  Handle Windows-specific relocations and data sections in AArch64 assembler.
  Update PEi386 linker to recognize ARM64 binaries and support exception handling.
  Adjust LLVM target definitions and data layouts for new architectures.
  Update `ghc-toolchain` and build scripts to handle `TablesNextToCode` on Windows ARM64.
  
  3. Enhance CI scripts and stability
  Modify `ci.sh` to handle mingw cross-targets, fixing GHC executable paths and test execution.
  Use `diff -w` in tests to ignore whitespace differences, improving cross-platform consistency.
  
  4. Refactor and clean up code
  Remove redundant imports in hello.hs test.
  Improve error messages and checks for unsupported configurations in the driver.
  Add `EXDEV` error code to `errno.js`.
  Add async/sync flags to IO logs at `base.js`.
  Improve POSIX compatibility for file close at `base.js`: decrease indeterminism for mixed cases of async and sync code.
  
  5. Update dependencies: `Cabal`, `Win32`, `directory`, `process`, `haskeline`, and `unix`.
  
  submodule
  
  Co-authored-by: Cheng Shao <terrorjack@type.dance>
  Co-authored-by: Dmitrii Egorov <egorov.d.i@icloud.com>
  Co-authored-by: Andrei Borzenkov <root@sandwitch.dev>
  

• 50fa8165
  by Javran Cheng at 2025-05-05T05:55:39-04:00

  Suppress unused do-binding if discarded variable is Any or ZonkAny.
  
  Consider example (#25895):
  
  >  do { forever (return ()); blah }
  
  where `forever :: forall a b. IO a -> IO b`.
  
  Nothing constrains `b`, so it will be instantiates with `Any` or
  `ZonkAny`.
  But we certainly don't want to complain about a discarded do-binding.
  
  Fixes #25895
  

• e46c6b18
  by Rodrigo Mesquita at 2025-05-06T09:01:57-04:00

  Refactor mkTopLevImportedEnv out of mkTopLevEnv
  
  This makes the code clearer and allows the top-level import context to
  be fetched directly from the HomeModInfo through the API (e.g. useful
  for the debugger).
  

• 0ce0d263
  by Rodrigo Mesquita at 2025-05-06T09:01:57-04:00

  Export sizeOccEnv from GHC.Types.Name.Occurrence
  
  Counts the number of OccNames in an OccEnv
  

• 165f98d8
  by Simon Peyton Jones at 2025-05-06T09:02:39-04:00

  Fix a bad untouchability bug im simplifyInfer
  
  This patch addresses #26004.  The root cause was that simplifyInfer
  was willing to unify variables "far out".  The fix, in
  runTcSWithEvBinds', is to initialise the inert set given-eq level with
  the current level. See
      (TGE6) in Note [Tracking Given equalities]
  in GHC.Tc.Solver.InertSet
  
  Two loosely related refactors:
  
  * Refactored approximateWCX to return just the free type
    variables of the un-quantified constraints.  That avoids duplication
    of work (these free vars are needed in simplifyInfer) and makes it
    clearer that the constraints themselves are irrelevant.
  
  * A little local refactor of TcSMode, which reduces the number of
    parameters to runTcSWithEvBinds
  

• 6e67fa08
  by Ben Gamari at 2025-05-08T06:21:21-04:00

  llvmGen: Fix built-in variable predicate
  
  Previously the predicate to identify LLVM builtin global variables was
  checking for `$llvm` rather than `@llvm` as it should.
  

• a9d0a22c
  by Ben Gamari at 2025-05-08T06:21:22-04:00

  llvmGen: Fix linkage of built-in arrays
  
  LLVM now insists that built-in arrays use Appending linkage, not
  Internal.
  
  Fixes #25769.
  

• 9c6d2b1b
  by sheaf at 2025-05-08T06:22:11-04:00

  Use mkTrAppChecked in ds_ev_typeable
  
  This change avoids violating the invariant of mkTrApp according to which
  the argument should not be a fully saturated function type.
  This ensures we don't return false negatives for type equality
  involving function types.
  
  Fixes #25998
  

• 75cadf81
  by Ryan Hendrickson at 2025-05-08T06:22:55-04:00

  haddock: Preserve indentation in multiline examples
  
  Intended for use with :{ :}, but doesn't look for those characters. Any
  consecutive lines with birdtracks will only have initial whitespace
  stripped up to the column of the first line.
  

• fee9b351
  by Cheng Shao at 2025-05-08T06:23:36-04:00

  ci: re-enable chrome for wasm ghci browser tests
  
  Currently only firefox is enabled for wasm ghci browser tests, for
  some reason testing with chrome works on my machine but gets stuck on
  gitlab instance runners. This patch re-enables testing with chrome by
  passing `--no-sandbox`, since chrome sandboxing doesn't work in
  containers without `--cap-add=SYS_ADMIN`.
  

• 282df905
  by Vladislav Zavialov at 2025-05-09T03:18:25-04:00

  Take subordinate 'type' specifiers into account
  
  This patch fixes multiple bugs (#22581, #25983, #25984, #25991)
  in name resolution of subordinate import lists.
  
  Bug #22581
  ----------
  In subordinate import lists, the use of the `type` namespace specifier
  used to be ignored. For example, this import statement was incorrectly
  accepted:
  
    import Prelude (Bool(type True))
  
  Now it results in an error message:
  
    <interactive>:2:17: error: [GHC-51433]
      In the import of ‘Prelude’:
        a data type called ‘Bool’ is exported,
        but its subordinate item ‘True’ is not in the type namespace.
  
  Bug #25983
  ----------
  In subordinate import lists within a `hiding` clause, non-existent
  items led to a poor warning message with -Wdodgy-imports. Consider:
  
    import Prelude hiding (Bool(X))
  
  The warning message for this import statement used to misreport the
  cause of the problem:
  
    <interactive>:3:24: warning: [GHC-56449] [-Wdodgy-imports]
      In the import of ‘Prelude’:
        an item called ‘Bool’ is exported, but it is a type.
  
  Now the warning message is correct:
  
    <interactive>:2:24: warning: [GHC-10237] [-Wdodgy-imports]
      In the import of ‘Prelude’:
        a data type called ‘Bool’ is exported, but it does not export
        any constructors or record fields called ‘X’.
  
  Bug #25984
  ----------
  In subordinate import lists within a `hiding` clause, non-existent
  items resulted in the entire import declaration being discarded.
  For example, this program was incorrectly accepted:
  
    import Prelude hiding (Bool(True,X))
    t = True
  
  Now it results in an error message:
  
    <interactive>:2:5: error: [GHC-88464]
      Data constructor not in scope: True
  
  Bug #25991
  ----------
  In subordinate import lists, it was not possible to refer to a class
  method if there was an associated type of the same name:
  
    module M_helper where
      class C a b where
        type a # b
        (#) :: a -> b -> ()
  
    module M where
      import M_helper (C((#)))
  
  This import declaration failed with:
  
    M.hs:2:28: error: [GHC-10237]
      In the import of ‘M_helper’:
        an item called ‘C’ is exported, but it does not export any children
        (constructors, class methods or field names) called ‘#’.
  
  Now it is accepted.
  
  Summary
  -------
  The changes required to fix these bugs are almost entirely confined to
  GHC.Rename.Names. Other than that, there is a new error constructor
  BadImportNonTypeSubordinates with error code [GHC-51433].
  
  Test cases:
    T22581a T22581b T22581c T22581d
    T25983a T25983b T25983c T25983d T25983e T25983f T25983g
    T25984a T25984b
    T25991a T25991b1 T25991b2
  

• 51b0ce8f
  by Simon Peyton Jones at 2025-05-09T03:19:07-04:00

  Slighty improve `dropMisleading`
  
  Fix #26105, by upgrading the (horrible, hacky) `dropMisleading`
  function.
  
  This fix makes things a bit better but does not cure the underlying
  problem.
  

• 7b2d1e6d
  by Simon Peyton Jones at 2025-05-11T03:24:47-04:00

  Refine `noGivenNewtypeReprEqs` to account for quantified constraints
  
  This little MR fixes #26020.  We are on the edge of completeness
  for newtype equalities (that doesn't change) but this MR makes GHC
  a bit more consistent -- and fixes the bug reported.
  

• eaa8093b
  by Cheng Shao at 2025-05-11T03:25:28-04:00

  wasm: mark freeJSVal as INLINE
  
  This patch marks `freeJSVal` as `INLINE` for the wasm backend. I
  noticed that the `freeJSVal` invocations are not inlined when
  inspecting STG/Cmm dumps of downstream libraries that use release
  build of the wasm backend. The performance benefit of inlining here is
  very modest, but so is the cost anyway; if you are using `freeJSVal`
  at all then you care about every potential chance to improve
  performance :)
  

• eac196df
  by Cheng Shao at 2025-05-11T03:25:28-04:00

  wasm: add zero length fast path for fromJSString
  
  This patch adds a zero length fast path for `fromJSString`; when
  marshaling a zero-length `JSString` we don't need to allocate an empty
  `ByteArray#` at all.
  

• 652cba7e
  by Peng Fan at 2025-05-14T04:24:35-04:00

  Add LoongArch NCG support
  
  Not supported before.
  

• c01f4374
  by Lin Runze at 2025-05-14T04:24:35-04:00

  ci: Add LoongArch64 cross-compile CI for testing
  

• ce6cf240
  by Ben Gamari at 2025-05-14T04:25:18-04:00

  rts/linker: Don't fail due to RTLD_NOW
  
  In !12264 we started using the NativeObj machinery introduced some time
  ago for loading of shared objects. One of the side-effects of this
  change is shared objects are now loaded eagerly (i.e. with `RTLD_NOW`).
  This is needed by NativeObj to ensure full visibility of the mappings of
  the loaded object, which is in turn needed for safe shared object
  unloading.
  
  Unfortunately, this change subtly regressed, causing compilation
  failures in some programs. Specifically, shared objects which refer to
  undefined symbols (e.g. which may be usually provided by either the
  executable image or libraries loaded via `dlopen`) will fail to load
  with eager binding. This is problematic as GHC loads all package
  dependencies while, e.g., evaluating TemplateHaskell splices. This
  results in compilation failures in programs depending upon (but not
  using at compile-time) packages with undefined symbol references.
  
  To mitigate this NativeObj now first attempts to load an object via
  eager binding, reverting to lazy binding (and disabling unloading) on
  failure.
  
  See Note [Don't fail due to RTLD_NOW].
  
  Fixes #25943.
  

• 88ee8bb5
  by Sylvain Henry at 2025-05-14T04:26:15-04:00

  Deprecate GHC.JS.Prim.Internal.Build (#23432)
  
  Deprecated as per CLC proposal 329 (https://github.com/haskell/core-libraries-committee/issues/329)
  

• b4ed465b
  by Cheng Shao at 2025-05-14T04:26:57-04:00

  libffi: update to 3.4.8
  
  Bumps libffi submodule.
  

• a3e71296
  by Matthew Pickering at 2025-05-14T04:27:38-04:00

  Remove leftover trace
  

• 2d0ecdc6
  by Cheng Shao at 2025-05-14T04:28:19-04:00

  Revert "ci: re-enable chrome for wasm ghci browser tests"
  
  This reverts commit fee9b351fa5a35d5778d1252789eacaaf5663ae8.
  Unfortunately the chrome test jobs may still timeout on certain
  runners (e.g. OpenCape) for unknown reasons.
  

• 3b3a5dec
  by Ben Gamari at 2025-05-15T16:10:01-04:00

  Don't emit unprintable characters when printing Uniques
  
  When faced with an unprintable tag we now instead print the codepoint
  number.
  
  Fixes #25989.
  
  (cherry picked from commit e832b1fadee66e8d6dd7b019368974756f8f8c46)
  

• e1ef8974
  by Mike Pilgrem at 2025-05-16T16:09:14-04:00

  Translate iff in Haddock documentation into everyday English
  

• fd64667d
  by Vladislav Zavialov at 2025-05-20T03:25:08-04:00

  Allow the 'data' keyword in import/export lists (#25899)
  
  This patch introduces the 'data' namespace specifier in import and
  export lists. The intended use is to import data constructors without
  their parent type constructors, e.g.
  
    import Data.Proxy as D (data Proxy)
    type DP = D.Proxy   -- promoted data constructor
  
  Additionally, it is possible to use 'data' to explicitly qualify any
  data constructors or terms, incl. operators and field selectors
  
    import Prelude (Semigroup(data (<>)))
    import Data.Function (data (&))
    import Data.Monoid (data Dual, data getDual)
  
    x = Dual "Hello" <> Dual "World" & getDual
  
  The implementation mostly builds on top of the existing logic for the
  'type' and 'pattern' namespace specifiers, plus there are a few tweaks
  to how we generate suggestions in error messages.
  

• acc86753
  by Ben Gamari at 2025-05-20T03:25:51-04:00

  compiler: Use field selectors when creating BCOs
  
  This makes it easier to grep for these fields.
  

• 60a55fd7
  by Ben Gamari at 2025-05-20T03:25:51-04:00

  compiler: Clarify BCO size
  
  Previously the semantics and size of StgBCO was a bit unclear.
  Specifically, the `size` field was documented to contain the size of the
  bitmap whereas it was actually the size of the closure *and* bitmap.
  Additionally, it was not as clear as it could be that the bitmap was a
  full StgLargeBitmap with its own `size` field.
  

• ac9fb269
  by Simon Peyton Jones at 2025-05-20T09:19:04-04:00

  Track rewriter sets more accurately in constraint solving
  
  This MR addresses #26003, by refactoring the arcane
  intricacies of Note [Equalities with incompatible kinds].
  NB: now retitled to
      Note [Equalities with heterogeneous kinds].
  and the main Note for this MR.
  
  In particular:
  
  * Abandon invariant (COERCION-HOLE) in Note [Unification preconditions] in
    GHC.Tc.Utils.Unify.
  
  * Abandon invariant (TyEq:CH)) in Note [Canonical equalities] in
    GHC.Tc.Types.Constraint.
  
  * Instead: add invariant (REWRITERS) to Note [Unification preconditions]:
    unify only if the constraint has an empty rewriter set.
  
  Implementation:
  
  * In canEqCanLHSFinish_try_unification, skip trying unification if there is a
    non-empty rewriter set.
  
  * To do this, make sure the rewriter set is zonked; do so in selectNextWorkItem,
    which also deals with prioritisation.
  
  * When a coercion hole is filled, kick out inert equalities that have that hole
    as a rewriter.  It might now be unlocked and available to unify.
  
  * Remove the ad-hoc `ch_hetero_kind` field of `CoercionHole`.
  
  * In `selectNextWorkItem`, priorities equalities withan empty rewriter set.
  
  * Defaulting: see (DE6) in Note [Defaulting equalities]
    and Note [Limited defaulting in the ambiguity check]
  
  * Concreteness checks: there is some extra faff to try to get decent
    error messages when the FRR (representation-polymorphism) checks
    fail. In partiular, add a "When unifying..." explanation when the
    representation-polymorphism check arose from another constraint.
  

• 86406f48
  by Cheng Shao at 2025-05-20T09:19:47-04:00

  rts: fix rts_clearMemory logic when sanity checks are enabled
  
  This commit fixes an RTS assertion failure when invoking
  rts_clearMemory with +RTS -DS. -DS implies -DZ which asserts that free
  blocks contain 0xaa as the designated garbage value. Also adds the
  sanity way to rts_clearMemory test to prevent future regression.
  Closes #26011.
  
  ChatGPT Codex automatically diagnosed the issue and proposed the
  initial patch in a single shot, given a GHC checkout and the following
  prompt:
  
  ---
  
  Someone is reporting the following error when attempting to use `rts_clearMemory` with the RTS option `-DS`:
  
  ```
  test.wasm: internal error: ASSERTION FAILED: file rts/sm/Storage.c, line 1216
  
      (GHC version 9.12.2.20250327 for wasm32_unknown_wasi)
      Please report this as a GHC bug:  https://www.haskell.org/ghc/reportabug
  ```
  
  What's the culprit? How do I look into this issue?
  
  ---
  
  I manually reviewed & revised the patch, tested and submitted it.
  

• 7147370b
  by Cheng Shao at 2025-05-20T17:22:19-04:00

  compiler: do not allocate strings in bytecode assembler
  
  This patch refactors the compiler to avoid allocating iserv buffers
  for BCONPtrStr at assemble-time. Now BCONPtrStr ByteStrings are
  recorded as a part of CompiledByteCode, and actual allocation only
  happens at link-time. This refactoring is necessary for adding
  bytecode serialization functionality, as explained by the revised
  comments in this commit.
  

• a67db612
  by Cheng Shao at 2025-05-20T17:22:19-04:00

  compiler: make bc_strs serializable
  
  This commit makes the bc_strs field in CompiledByteCode serializable;
  similar to previous commit, we preserve the ByteString directly and
  defer the actual allocation to link-time, as mentioned in updated
  comment.
  

• 5faf34ef
  by Cheng Shao at 2025-05-20T17:22:19-04:00

  compiler: make bc_itbls serializable
  
  This commit makes bc_itbls in CompiledByteCode serializable. A
  dedicated ConInfoTable datatype has been added in ghci which is the
  recipe for dynamically making a datacon's info table, containing the
  payload of the MkConInfoTable iserv message.
  

• 2abaf8c1
  by Cheng Shao at 2025-05-20T17:22:19-04:00

  compiler: remove FFIInfo bookkeeping in BCO
  
  This commit removes the bc_ffis field from CompiledByteCode
  completely, as well as all the related bookkeeping logic in
  GHC.StgToByteCode. bc_ffis is actually *unused* in the rest of GHC
  codebase! It is merely a list of FFIInfo, which is just a remote
  pointer of the libffi ffi_cif struct; once we allocate the ffi_cif
  struct and put its pointer in a CCALL instruction, we'll never free it
  anyway. So there is no point of bookkeeping.
  

• adb9e4d2
  by Cheng Shao at 2025-05-20T17:22:19-04:00

  compiler: make FFIInfo serializable in BCO
  
  This commit makes all the FFIInfo needed in CCALL instructions
  serializable. Previously, when doing STG to BCO lowering, we would
  allocate a libffi ffi_cif struct and keep its remote pointer as
  FFIInfo; but actually we can just keep the type signature as FFIInfo
  and defer the actual allocation to link-time.
  

• 200f401b
  by Cheng Shao at 2025-05-20T17:22:19-04:00

  ghci: remove redundant NewBreakModule message
  
  This commit removes the redundant NewBreakModule message from ghci: it
  just allocates two strings! This functionality can be implemented with
  existing MallocStrings in one iserv call.
  

• ddaadca6
  by Cheng Shao at 2025-05-20T17:22:19-04:00

  compiler: make breakpoint module name and unit id serializable
  
  This commit makes breakpoint module name and unit id serializable, in
  BRK_FUN instructions as well as ModBreaks. We can simply keep the
  module name and unit ids, and defer the buffer allocation to link
  time.
  

• a0fde202
  by Cheng Shao at 2025-05-20T17:22:19-04:00

  compiler: remove unused newModule
  
  This commit removes the now unused newModule function from GHC.
  

• 68c8f140
  by Cheng Shao at 2025-05-20T17:22:19-04:00

  compiler: add BCONPtrFS for interned top level string literals in BCO
  
  This commit adds BCONPtrFS as a BCO non-pointer literal kind, which
  has the same semantics of BCONPtrStr, except it contains a FastString
  instead of a ByteString. By using BCONPtrFS to represent top level
  string literals that are already FastString in the compilation
  pipeline, we enjoy the FastString interning logic and avoid allocating
  a bunch of redundant ByteStrings for the same FastStrings, especially
  when we lower the BRK_FUN instruction.
  

• f2b532bc
  by Peng Fan at 2025-05-20T17:23:15-04:00

  hadrian: enable GHCi for loongarch64
  

• 8ded2330
  by kwxm at 2025-05-20T17:24:07-04:00

  Fix bugs in `integerRecipMod` and `integerPowMod`
  
  This fixes #26017.
  
    * `integerRecipMod x 1` now returns `(# 1 | #)` for all x; previously it
      incorrectly returned `(# | () #)`, indicating failure.
  
    * `integerPowMod 0 e m` now returns `(# | () #)` for e<0 and m>1, indicating
      failure; previously it incorrectly returned `(# 0 | #)`.
  

• c9abb87c
  by Andreas Klebinger at 2025-05-20T17:24:50-04:00

  Specialise: Don't float out constraint components.
  
  It was fairly complex to do so and it doesn't seem to improve anything.
  Nofib allocations were unaffected as well.
  
  See also Historical Note [Floating dictionaries out of cases]
  

• 202b201c
  by Andreas Klebinger at 2025-05-21T10:16:14-04:00

  Interpreter: Add limited support for direct primop evaluation.
  
  This commit adds support for a number of primops directly
  to the interpreter. This avoids the indirection of going
  through the primop wrapper for those primops speeding interpretation
  of optimized code up massively.
  
  Code involving IntSet runs about 25% faster with optimized core and these
  changes. For core without breakpoints it's even more pronouced and I
  saw reductions in runtime by up to 50%.
  
  Running GHC itself in the interpreter was sped up by ~15% through this
  change.
  
  Additionally this comment does a few other related changes:
  
  testsuite:
  * Run foundation test in ghci and ghci-opt ways to test these
  primops.
  * Vastly expand the foundation test to cover all basic primops
    by comparing result with the result of calling the wrapper.
  
  Interpreter:
  * When pushing arguments for interpreted primops extend each argument to
    at least word with when pushing. This avoids some issues with big
    endian. We can revisit this if it causes performance issues.
  * Restructure the stack chunk check logic. There are now macros for
    read accesses which might cross stack chunk boundries and macros which
    omit the checks which are used when we statically know we access an
    address in the current stack chunk.
  

• 67a177b4
  by sheaf at 2025-05-21T10:17:04-04:00

  QuickLook: do a shape test before unifying
  
  This commit ensures we do a shape test before unifying. This ensures
  we don't try to unify a TyVarTv with a non-tyvar, e.g.
  
    alpha[tyv] := Int
  
  On the way, we refactor simpleUnifyCheck:
  
    1. Move the checkTopShape check into simpleUnifyCheck
    2. Refactors simpleUnifyCheck to return a value of the new type
       SimpleUnifyResult type. Now, simpleUnifyCheck returns "can unify",
       "cannot unify" or "dunno" (with "cannot unify" being the new result
       it can return). Now:
         - touchabilityTest is included; it it fails we return "cannot unify"
         - checkTopShape now returns "cannot unify" instead of "dunno" upon failure
    3. Move the call to simpleUnifyCheck out of checkTouchableTyVarEq.
       After that, checkTouchableTyVarEq becames a simple call to
       checkTyEqRhs, so we inline it.
  
  This allows the logic in canEqCanLHSFinish_try_unification to be simplified.
  In particular, we now avoid calling 'checkTopShape' twice.
  Two further changes suggested by Simon were also implemented:
  
    - In canEqCanLHSFinish, if checkTyEqRhs returns PuFail with
      'do_not_prevent_rewriting', we now **continue with this constraint**.
      This allows us to use the constraint for rewriting.
  
    - checkTyEqRhs now has a top-level check to avoid flattening a tyfam app
      in a top-level equality of the form alpha ~ F tys, as this is
      going around in circles. This simplifies the implementation without
      any change in behaviour.
  
  Fixes #25950
  Fixes #26030
  

• 4020972c
  by sheaf at 2025-05-21T10:17:04-04:00

  FixedRuntimeRepError: omit unhelpful explanation
  
  This commit tweaks the FixedRuntimeRepError case of pprTcSolverReportMsg,
  to avoid including an explanation which refers to a type variable that
  appears nowhere else.
  
  For example, the old error message could look like the following:
  
    The pattern binding does not have a fixed runtime representation.
    Its type is:
      T :: TYPE R
    Cannot unify ‘R’ with the type variable ‘c0’
    because the former is not a concrete ‘RuntimeRep’.
  
  With this commit, we now omit the last two lines, because the concrete
  type variable (here 'c0') does not appear in the type displayed to the
  user (here 'T :: TYPE R').
  

• 6d058a69
  by Andrea Bedini at 2025-05-21T16:00:51-04:00

  Don't fail when ghcversion.h can't be found (#26018)
  
  If ghcversion.h can't be found, don't try to include it. This happens
  when there is no rts package in the package db and when -ghcversion-file
  argument isn't passed.
  
  Co-authored-by: Syvlain Henry <sylvain@haskus.fr>
  

• b1212fbf
  by Vladislav Zavialov at 2025-05-21T16:01:33-04:00

  Implement -Wpattern-namespace-specifier (#25900)
  
  In accordance with GHC Proposal #581 "Namespace-specified imports",
  section 2.3 "Deprecate use of pattern in import/export lists", the
  `pattern` namespace specifier is now deprecated.
  
  Test cases: T25900 T25900_noext
  

• e650ec3e
  by Ben Gamari at 2025-05-23T03:42:46-04:00

  base: Forward port changelog language from 9.12
  

• 94cd9ca4
  by Ben Gamari at 2025-05-23T03:42:46-04:00

  base: Fix RestructuredText-isms in changelog
  

• 7722232c
  by Ben Gamari at 2025-05-23T03:42:46-04:00

  base: Note strictness changes made in 4.16.0.0
  
  Addresses #25886.
  

• 3f4b823c
  by Ben Gamari at 2025-05-23T03:43:28-04:00

  rts/linker: Factor out ProddableBlocks machinery
  

• 6e23fef2
  by Ben Gamari at 2025-05-23T03:43:28-04:00

  rts/linker: Improve efficiency of proddable blocks structure
  
  Previously the linker's "proddable blocks" check relied on a simple
  linked list of spans. This resulted in extremely poor complexity while
  linking objects with lots of small sections (e.g. objects built with
  split sections).
  
  Rework the mechanism to instead use a simple interval set implemented
  via binary search.
  
  Fixes #26009.
  

• ea74860c
  by Ben Gamari at 2025-05-23T03:43:28-04:00

  testsuite: Add simple functional test for ProddableBlockSet
  

• 74c4db46
  by Ben Gamari at 2025-05-23T03:43:28-04:00

  rts/linker/PEi386: Drop check for LOAD_LIBRARY_SEARCH_*_DIRS
  
  The `LOAD_LIBRARY_SEARCH_USER_DIRS` and
  `LOAD_LIBRARY_SEARCH_DEFAULT_DIRS` were introduced in Windows Vista and
  have been available every since. As we no longer support Windows XP we
  can drop this check.
  
  Addresses #26009.
  

• 972d81d6
  by Ben Gamari at 2025-05-23T03:43:28-04:00

  rts/linker/PEi386: Clean up code style
  

• 8a1073a5
  by Ben Gamari at 2025-05-23T03:43:28-04:00

  rts/Hash: Factor out hashBuffer
  
  This is a useful helper which can be used for non-strings as well.
  

• 44f509f2
  by Ben Gamari at 2025-05-23T03:43:28-04:00

  rts/linker/PEi386: Fix incorrect use of break in nested for
  
  Previously the happy path of PEi386 used `break` in a double-`for` loop
  resulting in redundant calls to `LoadLibraryEx`.
  
  Fixes #26052.
  

• bfb12783
  by Ben Gamari at 2025-05-23T03:43:28-04:00

  rts: Correctly mark const arguments
  

• 08469ff8
  by Ben Gamari at 2025-05-23T03:43:28-04:00

  rts/linker/PEi386: Don't repeatedly load DLLs
  
  Previously every DLL-imported symbol would result in a call to
  `LoadLibraryEx`. This ended up constituting over 40% of the runtime of
  `ghc --interactive -e 42` on Windows. Avoid this by maintaining a
  hash-set of loaded DLL names, skipping the call if we have already
  loaded the requested DLL.
  
  Addresses #26009.
  

• 823d1ccf
  by Ben Gamari at 2025-05-23T03:43:28-04:00

  rts/linker: Expand comment describing ProddableBlockSet
  

• e9de9e0b
  by Sylvain Henry at 2025-05-23T15:12:34-04:00

  Remove emptyModBreaks
  
  Remove emptyModBreaks and track the absence of ModBreaks with `Maybe
  ModBreaks`. It avoids testing for null pointers...
  

• 17db44c5
  by Ben Gamari at 2025-05-23T15:13:16-04:00

  base: Expose Backtraces constructor and fields
  
  This was specified in the proposal (CLC #199) yet somehow didn't make it
  into the implementation.
  
  Fixes #26049.
  

• b08c08ae
  by soulomoon at 2025-05-28T01:57:23+08:00

  Refactor handling of imported COMPLETE pragmas
  from the HPT
  
  Previously, we imported COMPLETE pragmas from all modules in the Home
  Package Table (HPT) during type checking. However, since !13675, there
  may be non-below modules in the HPT from the dependency tree that we do
  not want to import COMPLETE pragmas from. This refactor changes the way
  we handle COMPLETE pragmas from the HPT to only import them from modules
  that are "below" the current module in the HPT.
  
  - Add hugCompleteSigsBelow to filter COMPLETE pragmas from "below"
    modules in the HPT, mirroring hugRulesBelow.
  - Move responsibility for calling hugCompleteSigsBelow to tcRnImports,
    storing the result in the new tcg_complete_match_env field of TcGblEnv.
  - Update getCompleteMatchesTcM to use tcg_complete_match_env.
  
  This refactor only affects how COMPLETE pragmas are imported from the
  HPT, imports from external packages are unchanged.
  

• 16014bf8
  by Hécate Kleidukos at 2025-05-28T20:09:34-04:00

  Expose all of Backtraces' internals for ghc-internal
  
  Closes #26049
  

• a0adc30d
  by Ryan Hendrickson at 2025-05-30T14:12:52-04:00

  haddock: Fix links to type operators
  

• 7b64697c
  by Mario Blažević at 2025-05-30T14:13:41-04:00

  Introduce parenBreakableList and use it in ppHsContext
  

• 5f213bff
  by fendor at 2025-06-02T09:16:24+02:00

  Make GHCi commands compatible with multiple home units
  
  === Design
  
  We enable all GHCi features that were previously guarded by the `inMulti`
  option.
  
  GHCi supported multiple home units up to a certain degree for quite a while now.
  The supported feature set was limited, due to a design impasse:
  One of the home units must be "active", e.g., there must be one `HomeUnit`
  whose `UnitId` is "active" which is returned when calling
  
  ```haskell
  do
    hscActiveUnitId <$> getSession
  ```
  
  This makes sense in a GHC session, since you are always compiling a particular
  Module, but it makes less intuitive sense in an interactive session.
  Given an expression to evaluate, we can't easily tell in which "context" the expression
  should be parsed, typechecked and evaluated.
  That's why initially, most of GHCi features, except for `:reload`ing were disabled
  if the GHCi session had more than one `HomeUnitEnv`.
  
  We lift this restriction, enabling all features of GHCi for the multiple home unit case.
  To do this, we fundamentally change the `HomeUnitEnv` graph to be multiple home unit first.
  Instead of differentiating the case were we have a single home unit and multiple,
  we now always set up a multiple home unit session that scales seamlessly to an arbitrary
  amount of home units.
  
  We introduce two new `HomeUnitEnv`s that are always added to the `HomeUnitGraph`.
  They are:
  
  The "interactive-ghci", called the `interactiveGhciUnit`, contains the same
  `DynFlags` that are used by the `InteractiveContext` for interactive evaluation
  of expressions.
  This `HomeUnitEnv` is only used on the prompt of GHCi, so we may refer to it as
  "interactive-prompt" unit.
  See Note [Relation between the `InteractiveContext` and `interactiveGhciUnitId`]
  for discussing its role.
  
  And the "interactive-session"", called `interactiveSessionUnit` or
  `interactiveSessionUnitId`, which is used for loading Scripts into
  GHCi that are not `Target`s of any home unit, via `:load` or `:add`.
  
  Both of these "interactive" home units depend on all other `HomeUnitEnv`s that
  are passed as arguments on the cli.
  Additionally, the "interactive-ghci" unit depends on `interactive-session`.
  
  We always evaluate expressions in the context of the
  "interactive-ghci" session.
  Since "interactive-ghci" depends on all home units, we can import any `Module`
  from the other home units with ease.
  
  As we have a clear `HomeUnitGraph` hierarchy, we can set `interactiveGhciUnitId`
  as the active home unit for the full duration of the GHCi session.
  In GHCi, we always set `interactiveGhciUnitId` to be the currently active home unit.
  
  === Implementation Details
  
  Given this design idea, the implementation is relatively straight
  forward.
  The core insight is that a `ModuleName` is not sufficient to identify a
  `Module` in the `HomeUnitGraph`. Thus, large parts of the PR is simply
  about refactoring usages of `ModuleName` to prefer `Module`, which has a
  `Unit` attached and is unique over the `HomeUnitGraph`.
  
  Consequentially, most usages of `lookupHPT` are likely to be incorrect and have
  been replaced by `lookupHugByModule` which is keyed by a `Module`.
  
  In `GHCi/UI.hs`, we make sure there is only one location where we are
  actually translating `ModuleName` to a `Module`:
  
  * `lookupQualifiedModuleName`
  
  If a `ModuleName` is ambiguous, we detect this and report it to the
  user.
  
  To avoid repeated lookups of `ModuleName`s, we store the `Module` in the
  `InteractiveImport`, which additionally simplifies the interface
  loading.
  
  A subtle detail is that the `DynFlags` of the `InteractiveContext` are
  now stored both in the `HomeUnitGraph` and in the `InteractiveContext`.
  In UI.hs, there are multiple code paths where we are careful to update
  the `DynFlags` in both locations.
  Most importantly in `addToProgramDynFlags`.
  
  ---
  
  There is one metric increase in this commit:
  
  -------------------------
  Metric Increase:
      T4029
  -------------------------
  
  It is an increase from 14.4 MB to 16.1 MB (+11.8%) which sounds like a
  pretty big regression at first.
  However, we argue this increase is solely caused by using more data
  structures for managing multiple home units in the GHCi session.
  In particular, due to the design decision of using three home units, the
  base memory usage increases... but by how much?
  
  A big contributor is the `UnitState`, of which we have three now, which
  on its own 260 KB per instance. That makes an additional memory usage of
  520 KB, already explaining a third of the overall memory usage increase.
  Then we store more elements in the `HomeUnitGraph`, we have more
  `HomeUnitEnv` entries, etc...
  
  While we didn't chase down each byte, we looked at the memory usage over time
  for both `-hi` and `-hT` profiles and can say with confidence while the memory
  usage increased slightly, we did not introduce any space leak, as
  the graph looks almost identical as the memory usage graph of GHC HEAD.
  
  ---
  
  Adds testcases for GHCi multiple home units session
  
  * Test truly multiple home unit sessions, testing reload logic and code evaluation.
  * Test that GHCi commands such as `:all-types`, `:browse`, etc., work
  * Object code reloading for home modules
  * GHCi debugger multiple home units session
  

• de603d01
  by fendor at 2025-06-02T09:16:24+02:00

  Update "loading compiled code" GHCi documentation
  
  To use object code in GHCi, the module needs to be compiled for use in
  GHCi. To do that, users need to compile their modules with:
  
  * `-dynamic`
  * `-this-unit-id interactive-session`
  
  Otherwise, the interface files will not match.
  

• b255a8ca
  by Vladislav Zavialov at 2025-06-02T16:00:12-04:00

  docs: Fix code example for NoListTuplePuns
  
  Without the fix, the example produces an error:
  
    Test.hs:11:3: error: [GHC-45219]
        • Data constructor ‘Tuple’ returns type ‘Tuple2 a b’
            instead of an instance of its parent type ‘Tuple a’
        • In the definition of data constructor ‘Tuple’
          In the data type declaration for ‘Tuple’
  
  Fortunately, a one line change makes it compile.
  

• 6558467c
  by Ryan Hendrickson at 2025-06-06T05:46:58-04:00

  haddock: Parse math even after ordinary characters
  
  Fixes a bug where math sections were not recognized if preceded by a
  character that isn't special (like space or a markup character).
  

• 265d0024
  by ARATA Mizuki at 2025-06-06T05:47:48-04:00

  AArch64 NCG: Fix sub-word arithmetic right shift
  
  As noted in Note [Signed arithmetic on AArch64], we should zero-extend sub-word values.
  
  Fixes #26061
  

• 05e9be18
  by Simon Hengel at 2025-06-06T05:48:35-04:00

  Allow Unicode in "message" and "hints" with -fdiagnostics-as-json
  
  (fixes #26075)
  

• bfa6b70f
  by ARATA Mizuki at 2025-06-06T05:49:24-04:00

  x86 NCG: Fix code generation of bswap64 on i386
  
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  
  Fix #25601
  

• 35826d8b
  by Matthew Pickering at 2025-06-08T22:00:41+01:00

  Hadrian: Add option to generate .hie files for stage1 libraries
  
  The +hie_files flavour transformer can be enabled to produce hie files
  for stage1 libraries. The hie files are produced in the
  "extra-compilation-artifacts" folder and copied into the resulting
  bindist.
  
  At the moment the hie files are not produced for the release flavour,
  they add about 170M to the final bindist.
  
  Towards #16901
  

• e2467dbd
  by Ryan Hendrickson at 2025-06-09T13:07:05-04:00

  Fix various failures to -fprint-unicode-syntax
  

• 1d99d3e4
  by maralorn at 2025-06-12T03:47:39-04:00

  Add necessary flag for js linking
  

• 974d5734
  by maralorn at 2025-06-12T03:47:39-04:00

  Don’t use additional linker flags to detect presence of -fno-pie in configure.ac
  
  This mirrors the behavior of ghc-toolchain
  

• 1e9eb118
  by Andrew Lelechenko at 2025-06-12T03:48:21-04:00

  Add HasCallStack to Control.Monad.Fail.fail
  
  CLC proposal https://github.com/haskell/core-libraries-committee/issues/327
  
  2% compile-time allocations increase in T3064, likely because `fail`
  is now marginally more expensive to compile.
  
  Metric Increase:
      T3064
  

• 6d12060f
  by meooow25 at 2025-06-12T14:26:07-04:00

  Bump containers submodule to 0.8
  
  Also
  
  * Disable -Wunused-imports for containers
  * Allow containers-0.8 for in-tree packages
  * Bump some submodules so that they allow containers-0.8. These are not
    at any particular versions.
  * Remove unused deps containers and split from ucd2haskell
  * Fix tests affected by the new containers and hpc-bin
  

• 537bd233
  by Peng Fan at 2025-06-12T14:27:02-04:00

  NCG/LA64: Optimize code generation and reduce build-directory size.
  
  1. makeFarBranches: Prioritize fewer instruction sequences.
  2. Prefer instructions with immediate numbers to reduce register moves,
    e.g. andi,ori,xori,addi.
  3. Ppr: Remove unnecessary judgments.
  4. genJump: Avoid "ld+jr" as much as possible.
  5. BCOND and BCOND1: Implement conditional jumps with two jump ranges,
    with limited choice of the shortest.
  6. Implement FSQRT, CLT, CTZ.
  7. Remove unnecessary code.
  

• 19f20861
  by Simon Peyton Jones at 2025-06-13T09:51:11-04:00

  Improve redundant constraints for instance decls
  
  Addresses #25992, which showed that the default methods
  of an instance decl could make GHC fail to report redundant
  constraints.
  
  Figuring out how to do this led me to refactor the computation
  of redundant constraints.  See the entirely rewritten
  
     Note [Tracking redundant constraints]
  
  in GHC.Tc.Solver.Solve
  

• 1d02798e
  by Matthew Pickering at 2025-06-13T09:51:54-04:00

  Refactor the treatment of nested Template Haskell splices
  
  * The difference between a normal splice, a quasiquoter and implicit
  splice caused by lifting is stored in the AST after renaming.
  
  * Information that the renamer learns about splices is stored in the
  relevant splice extension points (XUntypedSpliceExpr, XQuasiQuote).
  
  * Normal splices and quasi quotes record the flavour of splice
    (exp/pat/dec etc)
  
  * Implicit lifting stores information about why the lift was attempted,
    so if it fails, that can be reported to the user.
  
  * After renaming, the decision taken to attempt to implicitly lift a
  variable is stored in the `XXUntypedSplice` extension field in the
  `HsImplicitLiftSplice` constructor.
  
  * Since all the information is stored in the AST, in `HsUntypedSplice`,
    the type of `PendingRnSplice` now just stores a `HsUntypedSplice`.
  
  * Error messages since the original program can be easily
    printed, this is noticeable in the case of implicit lifting.
  * The user-written syntax is directly type-checked. Before, some
    desugaring took place in the
  * Fixes .hie files to work better with nested splices (nested splices
    are not indexed)
  * The location of the quoter in a quasiquote is now located, so error
    messages will precisely point to it (and again, it is indexed by hie
    files)
  
  In the future, the typechecked AST should also retain information about
  the splices and the specific desugaring being left to the desugarer.
  
  Also, `runRnSplice` should call `tcUntypedSplice`, otherwise the
  typechecking logic is duplicated (see the `QQError` and `QQTopError`
  tests for a difference caused by this).
  

• f93798ba
  by Cheng Shao at 2025-06-13T09:52:35-04:00

  libffi: update to 3.5.1
  
  Bumps libffi submodule.
  

• c7aa0c10
  by Andreas Klebinger at 2025-06-15T05:47:24-04:00

  Revert "Specialise: Don't float out constraint components."
  
  This reverts commit c9abb87ccc0c91cd94f42b3e36270158398326ef.
  
  Turns out two benchmarks from #19747 regresses by a factor of 7-8x if
  we do not float those out.
  

• fd998679
  by Krzysztof Gogolewski at 2025-06-15T05:48:06-04:00

  Fix EPT enforcement when mixing unboxed tuples and non-tuples
  
  The code was assuming that an alternative cannot be returning a normal
  datacon and an unboxed tuple at the same time. However, as seen in #26107,
  this can happen when using a GADT to refine the representation type.
  
  The solution is just to conservatively return TagDunno.
  

• e64b3f16
  by ARATA Mizuki at 2025-06-17T10:13:42+09:00

  MachRegs.h: Don't define NO_ARG_REGS when a XMM register is defined
  
  On i386, MAX_REAL_VANILLA_REG is 1, but MAX_REAL_XMM_REG is 4.
  If we define NO_ARG_REGS on i386, programs that use SIMD vectors may segfault.
  
  Closes #25985
  
  A couple of notes on the BROKEN_TESTS field:
  
  * This fixes the segfault from T25062_V16.
  * The failure from T22187_run was fixed in an earlier commit (see #25561),
    but BROKEN_TESTS was missed at that time.  Now should be a good time to
    mark it fixed.
  

• 3e7c6b4d
  by Matthew Pickering at 2025-06-18T15:34:04-04:00

  Improve error messages when implicit lifting fails
  
  This patch concerns programs which automatically try to fix level errors
  by inserting `Lift`. For example:
  
  ```
  foo x = [| x |]
  ~>
  foo x = [| $(lift x) |]
  ```
  
  Before, there were two problems with the message.
  
  1. (#26031), the location of the error was reported as the whole
     quotation.
  2. (#26035), the message just mentions there is no Lift instance, but
     gives no indicate why the user program needed a Lift instance in the
     first place.
  
  This problem is especially bad when you disable
  `ImplicitStagePersistence`, so you just end up with a confusing "No
  instance for" message rather than an error message about levels
  
  This patch fixes both these issues.
  
  Firstly, `PendingRnSplice` differentiates between a user-written splice
  and an implicit lift. Then, the Lift instance is precisely requested
  with a specific origin in the typechecker. If the instance fails to be
  solved, the message is reported using the `TcRnBadlyLevelled`
  constructor (like a normal level error).
  
  Fixes #26031, #26035
  

• 44b8cee2
  by Cheng Shao at 2025-06-18T15:34:46-04:00

  testsuite: add T26120 marked as broken
  

• 894a04f3
  by Cheng Shao at 2025-06-18T15:34:46-04:00

  compiler: fix GHC.SysTools.Ar archive member size writing logic
  
  This patch fixes a long-standing bug in `GHC.SysTools.Ar` that emits
  the wrong archive member size in each archive header. It should encode
  the exact length of the member payload, excluding any padding byte,
  otherwise malformed archive that extracts a broken object with an
  extra trailing byte could be created.
  
  Apart from the in-tree `T26120` test, I've also created an out-of-tree
  testsuite at https://github.com/TerrorJack/ghc-ar-quickcheck that
  contains QuickCheck roundtrip tests for `GHC.SysTools.Ar`. With this
  fix, simple roundtrip tests and `writeGNUAr`/GNU `ar` roundtrip test
  passes. There might be more bugs lurking in here, but this patch is
  still a critical bugfix already.
  
  Fixes #26120 #22586.
  
  Co-authored-by: Codex <codex@openai.com>
  

• f677ab5f
  by Lauren Yim at 2025-06-18T15:35:37-04:00

  fix some typos in the warnings page in the user guide
  

• b968e1c1
  by Rodrigo Mesquita at 2025-06-18T15:36:18-04:00

  Add a frozen callstack to throwGhcException
  
  Fixes #25956
  

• a5e0c3a3
  by fendor at 2025-06-18T15:36:59-04:00

  Update using.rst to advertise full mhu support for GHCi
  

• d3e60e97
  by Ryan Scott at 2025-06-18T22:29:21-04:00

  Deprecate -Wdata-kinds-tc, make DataKinds issues in typechecker become errors
  
  !11314 introduced the `-Wdata-kinds-tc` warning as part of a fix for #22141.
  This was a temporary stopgap measure to allow users who were accidentally
  relying on code which needed the `DataKinds` extension in order to typecheck
  without having to explicitly enable the extension.
  
  Now that some amount of time has passed, this patch deprecates
  `-Wdata-kinds-tc` and upgrades any `DataKinds`-related issues in the
  typechecker (which were previously warnings) into errors.
  

• fd5b5177
  by Ryan Hendrickson at 2025-06-18T22:30:06-04:00

  haddock: Add redact-type-synonyms pragma
  
  `{-# OPTIONS_HADDOCK redact-type-synonyms #-}` pragma will hide the RHS
  of type synonyms, and display the result kind instead, if the RHS
  contains any unexported types.
  

• fbc0b92a
  by Vladislav Zavialov at 2025-06-22T04:25:16+03:00

  Visible forall in GADTs (#25127)
  
  Add support for visible dependent quantification `forall a -> t` in
  types of data constructors, e.g.
  
    data KindVal a where
      K :: forall k.
           forall (a::k) ->   -- now allowed!
           k ->
           KindVal a
  
  For details, see docs/users_guide/exts/required_type_arguments.rst,
  which has gained a new subsection.
  
  DataCon in compiler/GHC/Core/DataCon.hs
  ---------------------------------------
  The main change in this patch is that DataCon, the Core representation
  of a data constructor, now uses a different type to store user-written
  type variable binders:
  
    - dcUserTyVarBinders :: [InvisTVBinder]
    + dcUserTyVarBinders :: [TyVarBinder]
  
  where
  
    type TyVarBinder   = VarBndr TyVar ForAllTyFlag
    type InvisTVBinder = VarBndr TyVar Specificity
  
  and
  
    data Specificity  = InferredSpec | SpecifiedSpec
    data ForAllTyFlag = Invisible Specificity | Required
  
  This change necessitates some boring, mechanical changes scattered
  throughout the diff:
  
      ... is now used in place of ...
     -----------------+---------------
      TyVarBinder     | InvisTVBinder
      IfaceForAllBndr | IfaceForAllSpecBndr
      Specified       | SpecifiedSpec
      Inferred        | InferredSpec
      mkForAllTys     | mkInvisForAllTys
  
    additionally,
  
      tyVarSpecToBinders      -- added or removed calls
      ifaceForAllSpecToBndrs  -- removed calls
  
  Visibility casts in mkDataConRep
  --------------------------------
  Type abstractions in Core (/\a. e) always have type (forall a. t)
  because coreTyLamForAllTyFlag = Specified. This is also true of data
  constructor workers. So we may be faced with the following:
  
    data con worker:  (forall a.   blah)
    data con wrapper: (forall a -> blah)
  
  In this case the wrapper must use a visibility cast (e |> ForAllCo ...)
  with appropriately set fco_vis{L,R}. Relevant functions:
  
    mkDataConRep   in compiler/GHC/Types/Id/Make.hs
    dataConUserTyVarBindersNeedWrapper in compiler/GHC/Core/DataCon.hs
    mkForAllVisCos in compiler/GHC/Core/Coercion.hs
    mkCoreTyLams   in compiler/GHC/Core/Make.hs
    mkWpForAllCast in compiler/GHC/Tc/Types/Evidence.hs
  
  More specifically:
  
  - dataConUserTyVarBindersNeedWrapper has been updated to answer "yes"
    if there are visible foralls in the type of the data constructor.
  
  - mkDataConRep now uses mkCoreTyLams to generate the big lambda
    abstractions (/\a b c. e) in the data con wrapper.
  
  - mkCoreTyLams is a variant of mkCoreLams that applies visibility casts
    as needed. It similar in purpose to the pre-existing mkWpForAllCast,
    so the common bits have been factored out into mkForAllVisCos.
  
  ConDecl in compiler/Language/Haskell/Syntax/Decls.hs
  ----------------------------------------------------
  The surface syntax representation of a data constructor declaration is
  ConDecl. In accordance with the proposal, only GADT syntax is extended
  with support for visible forall, so we are interested in ConDeclGADT.
  
  ConDeclGADT's field con_bndrs has been renamed to con_outer_bndrs
  and is now accompanied by con_inner_bndrs:
  
    con_outer_bndrs :: XRec pass (HsOuterSigTyVarBndrs pass)
    con_inner_bndrs :: [HsForAllTelescope pass]
  
  Visible foralls always end up in con_inner_bndrs. The outer binders are
  stored and processed separately to support implicit quantification and
  the forall-or-nothing rule, a design established by HsSigType.
  
  A side effect of this change is that even in absence of visible foralls,
  GHC now permits multiple invisible foralls, e.g.
  
    data T a where { MkT :: forall a b. forall c d. ... -> T a }
  
  But of course, this is done in service of making at least some of these
  foralls visible. The entire compiler front-end has been updated to deal
  with con_inner_bndrs. See the following modified or added functions:
  
    Parser:
        mkGadtDecl     in compiler/GHC/Parser/PostProcess.hs
        splitLHsGadtTy in compiler/GHC/Hs/Type.hs
    Pretty-printer:
        pprConDecl           in compiler/GHC/Hs/Decls.hs
        pprHsForAllTelescope in compiler/GHC/Hs/Type.hs
    Renamer:
        rnConDecl                 in compiler/GHC/Rename/Module.hs
        bindHsForAllTelescopes    in compiler/GHC/Rename/HsType.hs
        extractHsForAllTelescopes in compiler/GHC/Rename/HsType.hs
    Type checker:
        tcConDecl           in compiler/GHC/Tc/TyCl.hs
        tcGadtConTyVarBndrs in compiler/GHC/Tc/Gen/HsType.hs
  
  Template Haskell
  ----------------
  The TH AST is left unchanged for the moment to avoid breakage. An
  attempt to quote or reify a data constructor declaration with visible
  forall in its type will result an error:
  
    data ThRejectionReason       -- in GHC/HsToCore/Errors/Types.hs
      = ...
      | ThDataConVisibleForall   -- new error constructor
  
  However, as noted in the previous section, GHC now permits multiple
  invisible foralls, and TH was updated accordingly. Updated code:
  
        repC         in compiler/GHC/HsToCore/Quote.hs
        reifyDataCon in compiler/GHC/Tc/Gen/Splice.hs
        ppr @Con     in libraries/ghc-boot-th/GHC/Boot/TH/Ppr.hs
  
  Pattern matching
  ----------------
  Everything described above concerns data constructor declarations, but
  what about their use sites? Now it is trickier to type check a pattern
  match fn(Con a b c)=... because we can no longer assume that a,b,c are
  all value arguments. Indeed, some or all of them may very well turn out
  to be required type arguments.
  
  To that end, see the changes to:
  
        tcDataConPat   in compiler/GHC/Tc/Gen/Pat.hs
        splitConTyArgs in compiler/GHC/Tc/Gen/Pat.hs
  
  and the new helpers split_con_ty_args, zip_pats_bndrs.
  
  This is also the reason the TcRnTooManyTyArgsInConPattern error
  constructor has been removed. The new code emits TcRnArityMismatch
  or TcRnIllegalInvisibleTypePattern.
  
  Summary
  -------
  DataCon, ConDecl, as well as all related functions have been updated to
  support required type arguments in data constructors.
  
  Test cases:
    HieGadtConSigs   GadtConSigs_th_dump1   GadtConSigs_th_pprint1
    T25127_data      T25127_data_inst       T25127_infix
    T25127_newtype   T25127_fail_th_quote   T25127_fail_arity
    TyAppPat_Tricky
  
  Co-authored-by: mniip <mniip@mniip.com>
  

• ae003a3a
  by Teo Camarasu at 2025-06-23T05:21:48-04:00

  linters: lint-whitespace: bump upper-bound for containers
  
  The version of containers was bumped in https://gitlab.haskell.org/ghc/ghc/-/merge_requests/13989
  

• 0fb37893
  by Matthew Pickering at 2025-06-23T13:55:10-04:00

  Move ModuleGraph into UnitEnv
  
  The ModuleGraph is a piece of information associated with the
  ExternalPackageState and HomeUnitGraph. Therefore we should store it
  inside the HomeUnitEnv.
  

• 3bf6720e
  by soulomoon at 2025-06-23T13:55:52-04:00

  Remove hptAllFamInstances usage during upsweep
  
  Fixes #26118
  
  This change eliminates the use of hptAllFamInstances during the upsweep phase,
  as it could access non-below modules from the home package table.
  
  The following updates were made:
  
  * Updated checkFamInstConsistency to accept an explicit ModuleEnv FamInstEnv
    parameter and removed the call to hptAllFamInstances.
  * Adjusted hugInstancesBelow so we can construct ModuleEnv FamInstEnv
    from its result,
  * hptAllFamInstances and allFamInstances functions are removed.
  

• 83ee7b78
  by Ben Gamari at 2025-06-24T05:02:07-04:00

  configure: Don't force value of OTOOL, etc. if not present
  
  Previously if `otool` and `install_name_tool` were not present they
  would be overridden by `fp_settings.m4`. This logic was introduced in
  4ff93292243888545da452ea4d4c1987f2343591 without explanation.
  

• 9329c9e1
  by Ben Gamari at 2025-06-24T05:02:07-04:00

  ghc-toolchain: Add support for otool, install_name_tool
  
  Fixes part of ghc#23675.
  

• 25f5c998
  by Ben Gamari at 2025-06-24T05:02:08-04:00

  ghc-toolchain: Add support for llc, opt, llvm-as
  
  Fixes #23675.
  

• 51d150dd
  by Rodrigo Mesquita at 2025-06-24T05:02:08-04:00

  hadrian: Use settings-use-distro-mingw directly
  
  The type `ToolchainSetting` only made sense when we had more settings to
  fetch from the system config file. Even then "settings-use-distro-mingw"
  is arguably not a toolchain setting.
  
  With the fix for #23675, all toolchain tools were moved to the
  `ghc-toolchain` `Toolchain` format. Therefore, we can inline
  `settings-use-distro-mingw` accesses and delete `ToolchainSetting`.
  

• dcf68a83
  by Rodrigo Mesquita at 2025-06-24T05:02:08-04:00

  configure: Check LlvmTarget exists for LlvmAsFlags
  
  If LlvmTarget was empty, LlvmAsFlags would be just "--target=".
  If it is empty now, simply keep LlvmAsFlags empty.
  
  ghc-toolchain already does this right. This fix makes the two
  configurations match up.
  

• 580a3353
  by Ben Gamari at 2025-06-24T05:02:51-04:00

  rts/linker/LoadArchive: Use bool
  
  Improve type precision by using `bool` instead of `int` and `StgBool`.
  

• 76d1041d
  by Ben Gamari at 2025-06-24T05:02:51-04:00

  rts/linker/LoadArchive: Don't rely on file extensions for identification
  
  Previously archive members would be identified via their file extension,
  as described in #13103. We now instead use a more principled approach,
  relying on the magic number in the member's header.
  
  As well, we refactor treatment of archive format detection to improve
  code clarity and error handling.
  
  Closes #13103.
  

• 4b748a99
  by Teo Camarasu at 2025-06-24T15:31:07-04:00

  template-haskell: improve changelog
  
  
  stable -> more stable, just to clarify that this interface isn't fully stable.
  
  errornously -> mistakenly: I typod this and also let's go for a simpler word

• e358e477
  by Sylvain Henry at 2025-06-24T15:31:58-04:00

  Bump stack resolver to use GHC 9.6.7
  
  Cf #26139
  

• 4bf5eb63
  by fendor at 2025-06-25T17:05:43-04:00

  Teach `:reload` about multiple home units
  
  `:reload` needs to lookup the `ModuleName` and must not assume the given
  `ModuleName` is in the current `HomeUnit`.
  
  We add a new utility function which allows us to find a `HomeUnitModule`
  instead of a `Module`.
  
  Further, we introduce the `GhciCommandError` type which can be used to
  abort the execution of a GHCi command.
  This error is caught and printed in a human readable fashion.
  

• b3d97bb3
  by fendor at 2025-06-25T17:06:25-04:00

  Implement `-fno-load-initial-targets` flag
  
  We add the new flag `-fno-load-initial-targets` which doesn't load all `Target`s
  immediately but only computes the module graph for all `Target`s.
  The user can then decide to load modules from that module graph using
  the syntax:
  
      ghci> :reload <Mod>
  
  This will load everything in the module graph up to `Mod`.
  
  The user can return to the initial state by using the builtin target
  `none` to unload all modules.
  
      ghci> :reload none
  
  Is in principle identical to starting a new session with the
  `-fno-load-initial-targets` flag.
  
  The `-fno-load-initial-targets` flag allows for faster startup time of GHCi when a
  user has lots of `Target`s.
  
  We additionally extend the `:reload` command to accept multiple
  `ModuleName`s. For example:
  
      ghci> :reload <Mod1> <Mod2>
  
  Loads all modules up to the modules `Mod1` and `Mod2`.
  

• 49f44e52
  by Teo Camarasu at 2025-06-26T04:19:51-04:00

  Expose ghc-internal unit id through the settings file
  
  This in combination with the unit id of the compiler library allows
  cabal to know of the two unit ids that should not be reinstalled (in
  specific circumstances) as:
  - when using plugins, we want to link against exactly the compiler unit
  id
  - when using TemplateHaskell we want to link against exactly the package
  that contains the TemplateHaskell interfaces, which is `ghc-internal`
  
  See: <https://github.com/haskell/cabal/issues/10087>
  
  Resolves #25282
  

• 499c4efe
  by Bryan Richter at 2025-06-26T04:20:33-04:00

  CI: Fix and clean up capture of timings
  
  * Fixes the typo that caused 'cat ci-timings' to report "no such file or
    directory"
  * Gave ci_timings.txt a file extension so it may play better with other
    systems
  * Fixed the use of time_it so all times are recorded
  * Fixed time_it to print name along with timing
  

• 86c90c9e
  by Bryan Richter at 2025-06-26T04:20:33-04:00

  CI: Update collapsible section usage
  
  The syntax apparently changed at some point.
  

• 04308ee4
  by Bryan Richter at 2025-06-26T04:20:33-04:00

  CI: Add more collapsible sections
  

• 43b606bb
  by Florian Ragwitz at 2025-06-27T16:31:26-04:00

  Tick uses of wildcard/pun field binds as if using the record selector function
  
  Fixes #17834.
  
  See Note [Record-selector ticks] for additional reasoning behind this as well
  as an overview of the implementation details and future improvements.
  

• d4952549
  by Ben Gamari at 2025-06-27T16:32:08-04:00

  testsuite/caller-cc: Make CallerCc[123] less sensitive
  
  These were previously sensitive to irrelevant changes in program
  structure. To avoid this we filter out all by lines emitted by the
  -fcaller-cc from the profile.
  

• 8d33d048
  by Berk Özkütük at 2025-07-07T20:42:20-04:00

  Consider `PromotedDataCon` in `tyConStupidTheta`
  
  Haddock checks data declarations for the stupid theta so as not to
  pretty-print them as empty contexts. Type data declarations end up as
  `PromotedDataCon`s by the time Haddock performs this check, causing a
  panic. This commit extends `tyConStupidTheta` so that it returns an
  empty list for `PromotedDataCon`s. This decision was guided by the fact
  that type data declarations never have data type contexts (see (R1) in
  Note [Type data declarations]).
  
  Fixes #25739.
  

• a26243fd
  by Ryan Hendrickson at 2025-07-07T20:43:07-04:00

  haddock: Document instances from other packages
  
  When attaching instances to `Interface`s, it isn't enough just to look
  for instances in the list of `Interface`s being processed. We also need
  to look in the modules on which they depend, including those outside of
  this package.
  
  Fixes #25147.
  Fixes #26079.
  

• 0fb24420
  by Rodrigo Mesquita at 2025-07-07T20:43:49-04:00

  hadrian: Fallback logic for internal interpreter
  
  When determining whether to build the internal interpreter, the `make`
  build system had a fallback case for platforms not in the list of
  explicitly-supported operating systems and architectures.
  
  This fallback says we should try to build the internal interpreter if
  building dynamic GHC programs (if the architecture is unknown).
  
  Fixes #24098
  

• fe925bd4
  by Ben Gamari at 2025-07-07T20:44:30-04:00

  users-guide: Reference Wasm FFI section
  

• 5856284b
  by Ben Gamari at 2025-07-07T20:44:30-04:00

  users-guide: Fix too-short heading warning
  

• a48dcdf3
  by Duncan Coutts at 2025-07-07T20:45:18-04:00

  Reorganise documentation for allocate* functions
  
  Consolodate interface information into the .h file, keeping just
  implementation details in the .c file.
  
  Use Notes stlye in the .h file and refer to notes from the .c file.
  

• de5b528c
  by Duncan Coutts at 2025-07-07T20:45:18-04:00

  Introduce common utilities for allocating arrays
  
  The intention is to share code among the several places that do this
  already.
  

• b321319d
  by Duncan Coutts at 2025-07-07T20:45:18-04:00

  Use new array alloc utils in Heap.c
  
  The CMM primop can now report heap overflow.
  

• 1d557ffb
  by Duncan Coutts at 2025-07-07T20:45:18-04:00

  Use new array alloc utils in ThreadLabels.c
  
  Replacing a local utility.
  

• e59a1430
  by Duncan Coutts at 2025-07-07T20:45:18-04:00

  Use new array alloc utils in Threads.c
  
  Replacing local open coded version.
  

• 482df1c9
  by Duncan Coutts at 2025-07-07T20:45:18-04:00

  Add exitHeapOverflow helper utility
  
  This will be useful with the array alloc functions, since unlike
  allocate/allocateMaybeFail, they do not come in two versions. So if it's
  not convenient to propagate failure, then one can use this.
  

• 4d3ec8f9
  by Duncan Coutts at 2025-07-07T20:45:18-04:00

  Use new array alloc utils in Weak.c
  
  Also add a cpp macro CCS_SYSTEM_OR_NULL which does what it says. The
  benefit of this is that it allows us to referece CCS_SYSTEM even when
  we're not in PROFILING mode. That makes abstracting over profiling vs
  normal mode a lot easier.
  

• 0c4f2fde
  by Duncan Coutts at 2025-07-07T20:45:18-04:00

  Convert the array alloc primops to use the new array alloc utils
  

• a3354ad9
  by Duncan Coutts at 2025-07-07T20:45:18-04:00

  While we're at it, add one missing 'likely' hint
  
  To a cmm primops that raises an exception, like the others now do.
  

• 33b546bd
  by meooow25 at 2025-07-07T20:46:09-04:00

  Keep scanl' strict in the head on rewrite
  
  `scanl'` forces elements to WHNF when the corresponding `(:)`s are
  forced. The rewrite rule for `scanl'` missed forcing the first element,
  which is fixed here with a `seq`.
  

• 8a69196e
  by Rodrigo Mesquita at 2025-07-08T07:39:47-04:00

  debugger/rts: Allow toggling step-in per thread
  
  The RTS global flag `rts_stop_next_breakpoint` globally sets the
  interpreter to stop at the immediate next breakpoint.
  
  With this commit, single step mode can additionally be set per thread in
  the TSO flag (TSO_STOP_NEXT_BREAKPOINT).
  
  Being able to toggle "stop at next breakpoint" per thread is an
  important requirement for implementing "stepping out" of a function in a
  multi-threaded context.
  
  And, more generally, having a per-thread flag for single-stepping paves the
  way for multi-threaded debugging.
  
  That said, when we want to enable "single step" mode for the whole
  interpreted program we still want to stop at the immediate next
  breakpoint, whichever thread it belongs to.
  
  That's why we also keep the global `rts_stop_next_breakpoint` flag, with
  `rts_enableStopNextBreakpointAll` and `rts_disableStopNextBreakpointAll` helpers.
  
  Preparation for #26042
  

• 73d3f864
  by Rodrigo Mesquita at 2025-07-08T07:39:47-04:00

  docs: Case continuation BCOs
  
  This commit documents a subtle interaction between frames for case BCOs
  and their parents frames. Namely, case continuation BCOs may refer to
  (non-local) variables that are part of the parent's frame.
  
  The note expanding a bit on these details is called [Case continuation BCOs]
  

• d7aeddcf
  by Rodrigo Mesquita at 2025-07-08T07:39:47-04:00

  debugger: Implement step-out feature
  
  Implements support for stepping-out of a function (aka breaking right after
  returning from a function) in the interactive debugger.
  
  It also introduces a GHCi command :stepout to step-out of a function
  being debugged in the interpreter. The feature is described as:
  
      Stop at the first breakpoint immediately after returning from the current
      function scope.
  
      Known limitations: because a function tail-call does not push a stack
      frame, if step-out is used inside of a function that was tail-called,
      execution will not be returned to its caller, but rather its caller's
      first non-tail caller. On the other hand, it means the debugger
      follows the more realistic execution of the program.
      In the following example:
  
      .. code-block:: none
  
      f = do
         a
         b <--- (1) set breakpoint then step in here
         c
      b = do
         ...
         d <--- (2) step-into this tail call
      d = do
         ...
         something <--- (3) step-out here
         ...
  
      Stepping-out will stop execution at the `c` invokation in `f`, rather than
      stopping at `b`.
  
  The key idea is simple: When step-out is enabled, traverse the runtime
  stack until a continuation BCO is found -- and enable the breakpoint
  heading that BCO explicitly using its tick-index.
  The details are specified in `Note [Debugger: Step-out]` in `rts/Interpreter.c`.
  
  Since PUSH_ALTS BCOs (representing case continuations) were never headed
  by a breakpoint (unlike the case alternatives they push), we introduced
  the BRK_ALTS instruction to allow the debugger to set a case
  continuation to stop at the breakpoint heading the alternative that is
  taken. This is further described in `Note [Debugger: BRK_ALTS]`.
  
  Fixes #26042
  

• 5d9adf51
  by Rodrigo Mesquita at 2025-07-08T07:39:47-04:00

  debugger: Filter step-out stops by SrcSpan
  
  To implement step-out, the RTS looks for the first continuation frame on
  the stack and explicitly enables its entry breakpoint. However, some
  continuations will be contained in the function from which step-out was
  initiated (trivial example is a case expression).
  
  Similarly to steplocal, we will filter the breakpoints at which the RTS
  yields to the debugger based on the SrcSpan. When doing step-out, only
  stop if the breakpoint is /not/ contained in the function from which we
  initiated it.
  
  This is especially relevant in monadic statements such as IO which is
  compiled to a long chain of case expressions.
  
  See Note [Debugger: Filtering step-out stops]
  

• 7677adcc
  by Cheng Shao at 2025-07-08T07:40:29-04:00

  compiler: make ModBreaks serializable
  

• 14f67c6d
  by Rodrigo Mesquita at 2025-07-08T07:40:29-04:00

  refactor: "Inspecting the session" moved from GHC
  
  Moved utilities for inspecting the session from the GHC module to
  GHC.Driver.Session.Inspect
  
  Purely a clean up
  

• 9d3f484a
  by Rodrigo Mesquita at 2025-07-08T07:40:30-04:00

  cleanup: Pass the HUG to readModBreaks, not HscEnv
  
  A minor cleanup. The associated history and setupBreakpoint functions
  are changed accordingly.
  

• b595f713
  by Rodrigo Mesquita at 2025-07-08T07:40:30-04:00

  cleanup: Move readModBreaks to GHC.Runtime.Interpreter
  
  With some small docs changes
  

• d223227a
  by Rodrigo Mesquita at 2025-07-08T07:40:30-04:00

  cleanup: Move interpreterProfiled to Interp.Types
  
  Moves interpreterProfiled and interpreterDynamic to
  GHC.Runtime.Interpreter.Types from GHC.Runtime.Interpreter.
  

• 7fdd0a3d
  by Rodrigo Mesquita at 2025-07-08T07:40:30-04:00

  cleanup: Don't import GHC in Debugger.Breakpoints
  
  Remove the top-level
  
      import GHC
  
  from GHC.Runtime.Debugger.Breakpoints
  
  This makes the module dependencies more granular and cleans up the
  qualified imports from the code.
  

• 5e4da31b
  by Rodrigo Mesquita at 2025-07-08T07:40:30-04:00

  refactor: Use BreakpointId in Core and Ifaces
  

• 741ac3a8
  by Rodrigo Mesquita at 2025-07-08T07:40:30-04:00

  stg2bc: Derive BcM via ReaderT StateT
  
  A small refactor that simplifies GHC.StgToByteCode by deriving-via the
  Monad instances for BcM. This is done along the lines of previous
  similar refactors like 72b54c0760bbf85be1f73c1a364d4701e5720465.
  

• 0414fcc9
  by Rodrigo Mesquita at 2025-07-08T07:40:30-04:00

  refact: Split InternalModBreaks out of ModBreaks
  
  There are currently two competing ways of referring to a Breakpoint:
  
      1. Using the Tick module + Tick index
      2. Using the Info module + Info index
  
  1. The Tick index is allocated during desugaring in `mkModBreaks`. It is
  used to refer to a breakpoint associated to a Core Tick. For a given
  Tick module, there are N Ticks indexed by Tick index.
  
  2. The Info index is allocated during code generation (in StgToByteCode)
  and uniquely identifies the breakpoints at runtime (and is indeed used
  to determine which breakpoint was hit at runtime).
  
  Why we need both is described by Note [Breakpoint identifiers].
  
  For every info index we used to keep a `CgBreakInfo`, a datatype containing
  information relevant to ByteCode Generation, in `ModBreaks`.
  
  This commit splits out the `IntMap CgBreakInfo` out of `ModBreaks` into
  a new datatype `InternalModBreaks`.
  
      - The purpose is to separate the `ModBreaks` datatype, which stores
        data associated from tick-level information which is fixed after
        desugaring, from the unrelated `IntMap CgBreakInfo` information
        accumulated during bytecode generation.
  
      - We move `ModBreaks` to GHC.HsToCore.Breakpoints
  
  The new `InternalModBreaks` simply combines the `IntMap CgBreakInfo`
  with `ModBreaks`. After code generation we construct an
  `InternalModBreaks` with the `CgBreakInfo`s we accumulated and the
  existing `ModBreaks` and store that in the compiled BCO in `bc_breaks`.
  
      - Note that we previously only updated the `modBreaks_breakInfo`
        field of `ModBreaks` at this exact location, and then stored the
        updated `ModBreaks` in the same `bc_breaks`.
  
      - We put this new datatype in GHC.ByteCode.Breakpoints
  
  The rest of the pipeline for which CgBreakInfo is relevant is
  accordingly updated to also use `InternalModBreaks`
  

• 2a097955
  by Rodrigo Mesquita at 2025-07-08T07:40:30-04:00

  cleanup: Use BreakpointIds in bytecode gen
  
  Small clean up to use BreakpointId and InternalBreakpointId more
  uniformly in bytecode generation rather than using Module + Ix pairs
  

• 0515cc2f
  by Rodrigo Mesquita at 2025-07-08T07:40:30-04:00

  ghci: Allocate BreakArrays at link time only
  
  Previously, a BreakArray would be allocated with a slot for every tick
  in a module at `mkModBreaks`, in HsToCore. However, this approach has
  a few downsides:
  
  - It interleaves interpreter behaviour (allocating arrays for
    breakpoints) within the desugarer
  
  - It is inflexible in the sense it is impossible for the bytecode
    generator to add "internal" breakpoints that can be triggered at
    runtime, because those wouldn't have a source tick. (This is relevant
    for our intended implementation plan of step-out in #26042)
  
  - It ties the BreakArray indices to the *tick* indexes, while at runtime
    we would rather just have the *info* indexes (currently we have both
    because BreakArrays are indexed by the *tick* one).
  
  Paving the way for #26042 and #26064, this commit moves the allocation
  of BreakArrays to bytecode-loading time -- akin to what is done for CCS
  arrays.
  
  Since a BreakArray is allocated only when bytecode is linked, if a
  breakpoint is set (e.g. `:break 10`) before the bytecode is linked,
  there will exist no BreakArray to trigger the breakpoint in.
  
  Therefore, the function to allocate break arrays (`allocateBreakArrays`)
  is exposed and also used in GHC.Runtime.Eval to allocate a break array
  when a breakpoint is set, if it doesn't exist yet (in the linker env).
  

• 8016561f
  by Simon Peyton Jones at 2025-07-08T07:41:13-04:00

  Add a test for T26176
  

• 454cd682
  by Simon Peyton Jones at 2025-07-08T07:41:13-04:00

  Add test for #14010
  
  This test started to work in GHC 9.6 and has worked since.
  This MR just adds a regression test
  

• ea2c6673
  by Teo Camarasu at 2025-07-08T13:24:43-04:00

  Implement user-defined allocation limit handlers
  
  Allocation Limits allow killing a thread if they allocate more than a
  user-specified limit.
  We extend this feature to allow more versatile behaviour.
  
  - We allow not killing the thread if the limit is exceeded.
  - We allow setting a custom handler to be called when the limit is exceeded.
  
  User-specified allocation limit handlers run in a fresh thread and are passed
  the ThreadId of the thread that exceeded its limit.
  
  We introduce utility functions for getting and setting the allocation
  limits of other threads, so that users can reset the limit of a thread
  from a handler. Both of these are somewhat coarse-grained as we are
  unaware of the allocations in the current nursery chunk.
  
  We provide several examples of usages in testsuite/tests/rts/T22859.hs
  
  Resolves #22859
  

• 03e047f9
  by Simon Hengel at 2025-07-08T13:25:25-04:00

  Fix typo in using.rst
  

• 67957854
  by Ben Gamari at 2025-07-09T09:44:44-04:00

  compiler: Import AnnotationWrapper from ghc-internal
  
  Since `GHC.Desugar` exported from `base` has been deprecated.
  

• 813d99d6
  by Ben Gamari at 2025-07-09T09:44:44-04:00

  ghc-compact: Eliminate dependency on ghc-prim
  

• 0ec952a1
  by Ben Gamari at 2025-07-09T09:44:44-04:00

  ghc-heap: Eliminate dependency on ghc-prim
  

• 480074c3
  by Ben Gamari at 2025-07-09T09:44:44-04:00

  ghc-heap: Drop redundant import
  

• 03455829
  by Ben Gamari at 2025-07-09T09:44:45-04:00

  ghc-prim: Bump version to 0.13.1
  
  There are no interface changes from 0.13.0 but the implementation now
  lives in `ghc-internal`.
  

• d315345a
  by Ben Gamari at 2025-07-09T09:44:45-04:00

  template-haskell: Bump version number to 2.24.0.0
  
  Bumps exceptions submodule.
  

• 004c800e
  by Ben Gamari at 2025-07-09T09:44:45-04:00

  Bump GHC version number to 9.14
  

• eb1a3816
  by Ben Gamari at 2025-07-09T09:44:45-04:00

  Bump parsec to 3.1.18.0
  
  Bumps parsec submodule.
  

• 86f83296
  by Ben Gamari at 2025-07-09T09:44:45-04:00

  unix: Bump to 2.8.7.0
  
  Bumps unix submodule.
  

• 89e13998
  by Ben Gamari at 2025-07-09T09:44:45-04:00

  binary: Bump to 0.8.9.3
  
  Bumps binary submodule.
  

• 55fff191
  by Ben Gamari at 2025-07-09T09:44:45-04:00

  Win32: Bump to 2.14.2.0
  
  Bumps Win32 submodule.
  

• 7dafa40c
  by Ben Gamari at 2025-07-09T09:44:45-04:00

  base: Bump version to 4.22.0
  
  Bumps various submodules.
  

• ef03d8b8
  by Rodrigo Mesquita at 2025-07-09T09:45:28-04:00

  base: Export displayExceptionWithInfo
  
  This function should be exposed from base following CLC#285
  
  Approved change in CLC#344
  
  Fixes #26058
  

• 01d3154e
  by Wen Kokke at 2025-07-10T17:06:36+01:00

  Fix documentation for HEAP_PROF_SAMPLE_STRING
  

• ac259c48
  by Wen Kokke at 2025-07-10T17:06:38+01:00

  Fix documentation for HEAP_PROF_SAMPLE_COST_CENTRE
  

• 2b4db9ba
  by Pi Delport at 2025-07-11T16:40:52-04:00

  (Applicative docs typo: missing "one")
  

• f707bab4
  by Andreas Klebinger at 2025-07-12T14:56:16+01:00

  Specialise: Improve specialisation by refactoring interestingDict
  
  This MR addresses #26051, which concerns missed type-class specialisation.
  The main payload of the MR is to completely refactor the key function
        `interestingDict` in GHC.Core.Opt.Specialise
  
  The main change is that we now also look at the structure of the
  dictionary we consider specializing on, rather than only the type.
  
  See the big `Note [Interesting dictionary arguments]`
  

• ca7a9d42
  by Simon Peyton Jones at 2025-07-12T14:56:16+01:00

  Treat tuple dictionaries uniformly; don't unbox them
  
  See `Note [Do not unbox class dictionaries]` in DmdAnal.hs,
  sep (DNB1).
  
  This MR reverses the plan in #23398, which suggested a special case to
  unbox tuple dictionaries in worker/wrapper.  But:
  
  - This was the cause of a pile of complexity in the specialiser (#26158)
  
  - Even with that complexity, specialision was still bad, very bad
    See https://gitlab.haskell.org/ghc/ghc/-/issues/19747#note_626297
  
  And it's entirely unnecessary!  Specialision works fine without
  unboxing tuple dictionaries.
  

• be7296c9
  by Andreas Klebinger at 2025-07-12T14:56:16+01:00

  Remove complex special case from the type-class specialiser
  
  There was a pretty tricky special case in Specialise which is no
  longer necessary.
     * Historical Note [Floating dictionaries out of cases]
     * #26158
     * #19747 https://gitlab.haskell.org/ghc/ghc/-/issues/19747#note_626297
  
  This MR removes it.  Hooray.
  

• 4acf3a86
  by Ben Gamari at 2025-07-15T05:46:32-04:00

  configure: bump version to 9.15
  

• 45efaf71
  by Teo Camarasu at 2025-07-15T05:47:13-04:00

  rts/nonmovingGC: remove n_free
  
  We remove the nonmovingHeap.n_free variable.
  
  We wanted this to track the length of nonmovingHeap.free.
  But this isn't possible to do atomically.
  
  When this isn't accurate we can get a segfault by going past the end of
  the list.
  
  Instead, we just count the length of the list when we grab it in
  nonmovingPruneFreeSegment.
  
  Resolves #26186
  

• c635f164
  by Ben Gamari at 2025-07-15T14:05:54-04:00

  configure: Drop probing of ld.gold
  
  As noted in #25716, `gold` has been dropped from binutils-2.44.
  
  Fixes #25716.
  
  Metric Increase:
      size_hello_artifact_gzip
      size_hello_unicode_gzip
      ghc_prim_so
  

• 637bb538
  by Ben Gamari at 2025-07-15T14:05:55-04:00

  testsuite/recomp015: Ignore stderr
  
  This is necessary since ld.bfd complains
  that we don't have a .note.GNU-stack section,
  potentially resulting in an executable stack.

• d3cd4ec8
  by Wen Kokke at 2025-07-15T14:06:39-04:00

  Fix documentation for heap profile ID
  

• 73082769
  by Ben Gamari at 2025-07-15T16:56:38-04:00

  Bump win32-tarballs to v0.9

• 3b63b254
  by Ben Gamari at 2025-07-15T16:56:39-04:00

  rts/LoadArchive: Handle null terminated string tables
  
  As of `llvm-ar` now emits filename tables terminated with null
  characters instead of the usual POSIX `/\n` sequence.
  
  Fixes #26150.
  

• 195f6527
  by Tamar Christina at 2025-07-15T16:56:39-04:00

  rts: rename label so name doesn't conflict with param
  

• 63373b95
  by Tamar Christina at 2025-07-15T16:56:39-04:00

  rts: Handle API set symbol versioning conflicts
  

• 48e9aa3e
  by Tamar Christina at 2025-07-15T16:56:39-04:00

  rts: Mark API set symbols as HIDDEN and correct symbol type
  

• 959e827a
  by Tamar Christina at 2025-07-15T16:56:39-04:00

  rts: Implement WEAK EXTERNAL undef redirection by target symbol name
  

• 65f19293
  by Ben Gamari at 2025-07-15T16:56:39-04:00

  rts/LoadArchive: Handle string table entries terminated with /
  
  llvm-ar appears to terminate string table entries with `/\n` [1]. This
  matters in the case of thin archives, since the filename is used. In the
  past this worked since `llvm-ar` would produce archives with "small"
  filenames when possible. However, now it appears to always use the
  string table.
  
  [1] https://github.com/llvm/llvm-project/blob/bfb686bb5ba503e9386dc899e1ebbe2488e6a0a8/llvm/lib/Object/ArchiveWriter.cpp#L314
  

• 9cbb3ef5
  by Ben Gamari at 2025-07-15T16:56:39-04:00

  testsuite: Mark T12497 as fixed
  
  Thanks to the LLVM toolchain update.
  
  Closes #22694.
  

• 2854407e
  by Ben Gamari at 2025-07-15T16:56:39-04:00

  testsuite: Accept new output of T11223_link_order_a_b_2_fail on Windows
  
  The archive member number changed due to the fact that llvm-ar now uses a
  string table.
  

• 28439593
  by Ben Gamari at 2025-07-15T16:56:39-04:00

  rts/linker/PEi386: Implement IMAGE_REL_AMD64_SECREL
  
  This appears to now be used by libc++ as distributed by msys2.
  

• 2b053755
  by Tamar Christina at 2025-07-15T16:56:39-04:00

  rts: Cleanup merge resolution residue in lookupSymbolInDLL_PEi386 and make safe without dependent
  

• e8acd2e7
  by Wen Kokke at 2025-07-16T08:37:04-04:00

  Remove the `profile_id` parameter from various RTS functions.
  
  Various RTS functions took a `profile_id` parameter, intended to be used to
  distinguish parallel heap profile breakdowns (e.g., `-hT` and `-hi`). However,
  this feature was never implemented and the `profile_id` parameter was set to 0
  throughout the RTS. This commit removes the parameter but leaves the hardcoded
  profile ID in the functions that emit the encoded eventlog events as to not
  change the protocol.
  
  The affected functions are `traceHeapProfBegin`, `postHeapProfBegin`,
  `traceHeapProfSampleString`, `postHeapProfSampleString`,
  `traceHeapProfSampleCostCentre`, and `postHeapProfSampleCostCentre`.
  

• 76d392a2
  by Wen Kokke at 2025-07-16T08:37:04-04:00

  Make `traceHeapProfBegin` an init event.
  

• bbaa44a7
  by Peng Fan at 2025-07-16T16:50:42-04:00

  NCG/LA64: Support finer-grained DBAR hints
  
  For LA664 and newer uarchs, they have made finer granularity hints
  available:
  
      Bit4: ordering or completion (0: completion, 1: ordering)
      Bit3: barrier for previous read (0: true, 1: false)
      Bit2: barrier for previous write (0: true, 1: false)
      Bit1: barrier for succeeding read (0: true, 1: false)
      Bit0: barrier for succeeding write (0: true, 1: false)
  
  And not affect the existing models because other hints are treated
  as 'dbar 0' there.
  

• 7da86e16
  by Andreas Klebinger at 2025-07-16T16:51:25-04:00

  Disable -fprof-late-overloaded-calls for join points.
  
  Currently GHC considers cost centres as destructive to
  join contexts. Or in other words this is not considered valid:
  
      join f x = ...
      in
                ... -> scc<tick> jmp
  
  This makes the functionality of `-fprof-late-overloaded-calls` not feasible
  for join points in general. We used to try to work around this by putting the
  ticks on the rhs of the join point rather than around the jump. However beyond
  the loss of accuracy this was broken for recursive join points as we ended up
  with something like:
  
      rec-join f x = scc<tick> ... jmp f x
  
  Which similarly is not valid as the tick once again destroys the tail call.
  One might think we could limit ourselves to non-recursive tail calls and do
  something clever like:
  
    join f x = scc<tick> ...
    in ... jmp f x
  
  And sometimes this works! But sometimes the full rhs would look something like:
  
    join g x = ....
    join f x = scc<tick> ... -> jmp g x
  
  Which, would again no longer be valid. I believe in the long run we can make
  cost centre ticks non-destructive to join points. Or we could keep track of
  where we are/are not allowed to insert a cost centre. But in the short term I will
  simply disable the annotation of join calls under this flag.
  

• 7ee22fd5
  by ARATA Mizuki at 2025-07-17T06:05:30-04:00

  x86 NCG: Better lowering for shuffleFloatX4# and shuffleDoubleX2#
  
  The new implementation
  
  * make use of specialized instructions like (V)UNPCK{L,H}{PS,PD}, and
  * do not require -mavx.
  
  Close #26096
  
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  

• c6cd2da1
  by Jappie Klooster at 2025-07-17T06:06:20-04:00

  Update interact docs to explain about buffering
  
  We need to tell the user to set to the
  appropriate buffer format.
  Otherwise, this function may get randomly stuck,
  or just behave confusingly.
  
  issue: https://gitlab.haskell.org/ghc/ghc/-/issues/26131
  
  NB, I'm running this with cabal *NOT* ghci. ghci messes with buffering anyway.
  
  ```haskell
  interaction :: String -> String
  interaction "jappie" = "hi"
  interaction "jakob" = "hello"
  interaction x = "unkown input: " <> x
  
  main :: IO ()
  main = interact  interaction
  ```
  so in my input (prefixed by `>`) I get:
  
  ```
  > jappie
  unkown input: jappie
  ```
  
  we confirmed later this was due to lack of \n matching.
  Anyway movnig on to more unexpected stuff:
  
  ```haskell
  main :: IO ()
  main = do
    interact  (concatMap interaction . lines)
  ```
  
  get's stuck forever.
  actually `^D` (ctrl+d) unstucks it and runs all input as expected.
  for example you can get:
  ```
  > sdfkds
  > fakdsf
  unkown input: sdfkdsunkown input: fakdsf
  ```
  
  This program works!
  ```haskell
  interaction :: String -> String
  interaction "jappie" = "hi \n"
  interaction "jakob" = "hello \n"
  interaction x = "unkown input: " <> x <> "\n"
  
  main :: IO ()
  main = do
    interact  (concatMap interaction . lines)
  ```
  the reason is that linebuffering is set for both in and output by default.
  so lines eats the input lines, and all the \n postfixes make sure the buffer
  is put out.
  

• 9fa590a6
  by Zubin Duggal at 2025-07-17T06:07:03-04:00

  fetch_gitlab: Ensure we copy users_guide.pdf and Haddock.pdf to the release docs directory
  
  Fixes #24093
  

• cc650b4b
  by Andrew Lelechenko at 2025-07-17T12:30:24-04:00

  Add Data.List.NonEmpty.mapMaybe
  
  As per https://github.com/haskell/core-libraries-committee/issues/337
  

• 360fa82c
  by Duncan Coutts at 2025-07-17T12:31:14-04:00

  base: Deprecate GHC.Weak.Finalize.runFinalizerBatch
  
  https://github.com/haskell/core-libraries-committee/issues/342
  

• f4e8466c
  by Alan Zimmerman at 2025-07-17T12:31:55-04:00

  EPA: Update exact printing based on GHC 9.14 tests
  
  As a result of migrating the GHC ghc-9.14 branch tests to
  ghc-exactprint in
  https://github.com/alanz/ghc-exactprint/tree/ghc-9.14, a couple of
  discrepancies were picked up
  
  - The opening paren for a DefaultDecl was printed in the wrong place
  - The import declaration level specifiers were not printed.
  
  This commit adds those fixes, and some tests for them.
  The tests brought to light that the ImportDecl ppr instance had not
  been updated for level specifiers, so it updates that too.
  

• 8b731e3c
  by Matthew Pickering at 2025-07-21T13:36:43-04:00

  level imports: Fix infinite loop with cyclic module imports
  
  I didn't anticipate that downsweep would run before we checked for
  cyclic imports. Therefore we need to use the reachability function which
  handles cyclic graphs.
  
  Fixes #26087
  

• d751a9f1
  by Pierre Thierry at 2025-07-21T13:37:28-04:00

  Fix documentation about deriving from generics
  

• f8d9d016
  by Andrew Lelechenko at 2025-07-22T21:13:28-04:00

  Fix issues with toRational for types capable to represent infinite and not-a-number values
  
  This commit fixes all of the following pitfalls:
  
  > toRational (read "Infinity" :: Double)
  179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216 % 1
  > toRational (read "NaN" :: Double)
  269653970229347386159395778618353710042696546841345985910145121736599013708251444699062715983611304031680170819807090036488184653221624933739271145959211186566651840137298227914453329401869141179179624428127508653257226023513694322210869665811240855745025766026879447359920868907719574457253034494436336205824 % 1
  
  > realToFrac (read "NaN" :: Double) -- With -O0
  Infinity
  > realToFrac (read "NaN" :: Double) -- With -O1
  NaN
  
  > realToFrac (read "NaN" :: Double) :: CDouble
  Infinity
  > realToFrac (read "NaN" :: CDouble) :: Double
  Infinity
  
  Implements https://github.com/haskell/core-libraries-committee/issues/338
  

• 5dabc718
  by Zubin Duggal at 2025-07-22T21:14:10-04:00

  haddock: Don't warn about missing link destinations for derived names.
  
  Fixes #26114
  

• 9c3a0937
  by Matthew Pickering at 2025-07-22T21:14:52-04:00

  template haskell: use a precise condition when implicitly lifting
  
  Implicit lifting corrects a level error by replacing references to `x`
  with `$(lift x)`, therefore you can use a level `n` binding at level `n
  + 1`, if it can be lifted.
  
  Therefore, we now have a precise check that the use level is 1 more than
  the bind level.
  
  Before this bug was not observable as you only had 0 and 1 contexts but
  it is easily evident when using explicit level imports.
  
  Fixes #26088
  

• 5144b22f
  by Andreas Klebinger at 2025-07-22T21:15:34-04:00

  Add since tag and more docs for do-clever-arg-eta-expansion
  
  Fixes #26113
  

• c865623b
  by Andreas Klebinger at 2025-07-22T21:15:34-04:00

  Add since tag for -fexpose-overloaded-unfoldings
  
  Fixes #26112
  

• 49a44ab7
  by Simon Hengel at 2025-07-23T17:59:55+07:00

  Refactor GHC.Driver.Errors.printMessages
  

• 84711c39
  by Simon Hengel at 2025-07-23T18:27:34+07:00

  Respect `-fdiagnostics-as-json` for error messages from pre-processors
  
  (fixes #25480)
  

• d046b5ab
  by Simon Hengel at 2025-07-24T06:12:05-04:00

  Include the rendered message in -fdiagnostics-as-json output
  
  This implements #26173.
  

• d2b89603
  by Ben Gamari at 2025-07-24T06:12:47-04:00

  rts/Interpreter: Factor out ctoi tuple info tables into data
  
  Instead of a massive case let's put this into data which we can reuse
  elsewhere.
  

• 4bc78496
  by Sebastian Graf at 2025-07-24T16:19:34-04:00

  CprAnal: Detect recursive newtypes (#25944)
  
  While `cprTransformDataConWork` handles recursive data con workers, it
  did not detect the case when a newtype is responsible for the recursion.
  This is now detected in the `Cast` case of `cprAnal`.
  
  The same reproducer made it clear that `isRecDataCon` lacked congruent
  handling for `AppTy` and `CastTy`, now fixed.
  
  Furthermore, the new repro case T25944 triggered this bug via an
  infinite loop in `cprFix`, caused by the infelicity in `isRecDataCon`.
  While it should be much less likely to trigger such an infinite loop now
  that `isRecDataCon` has been fixed, I made sure to abort the loop after
  10 iterations and emitting a warning instead.
  
  Fixes #25944.
  

• 0a583689
  by Sylvain Henry at 2025-07-24T16:20:26-04:00

  STM: don't create a transaction in the rhs of catchRetry# (#26028)
  
  We don't need to create a transaction for the rhs of (catchRetry#)
  because contrary to the lhs we don't need to abort it on retry. Moreover
  it is particularly harmful if we have code such as (#26028):
  
    let cN = readTVar vN >> retry
        tree = c1 `orElse` (c2 `orElse` (c3 `orElse` ...))
    atomically tree
  
  Because it will stack transactions for the rhss and the read-sets of all
  the transactions will be iteratively merged in O(n^2) after the
  execution of the most nested retry.
  

• a49eca26
  by Simon Peyton Jones at 2025-07-25T09:49:58+01:00

  Renaming around predicate types
  
  .. we were (as it turned out) abstracting over
  type-class selectors in SPECIALISATION rules!
  
  Wibble isEqPred
  

• f80375dd
  by Simon Peyton Jones at 2025-07-25T09:49:58+01:00

  Refactor of Specialise.hs
  
  This patch just tidies up `specHeader` a bit, removing one
  of its many results, and adding some comments.
  
  No change in behaviour.
  
  Also add a few more `HasDebugCallStack` contexts.
  

• 1bd12371
  by Simon Peyton Jones at 2025-07-25T09:49:58+01:00

  Improve treatment of SPECIALISE pragmas -- again!
  
  This MR does another major refactor of the way that SPECIALISE
  pragmas work, to fix #26115, #26116, #26117.
  
  * We now /always/ solve forall-constraints in an all-or-nothing way.
    See Note [Solving a Wanted forall-constraint] in GHC.Tc.Solver.Solve
  
    This means we might have unsolved quantified constraints, which need
    to be reported.  See `inert_insts` in `getUnsolvedInerts`.
  
  * I refactored the short-cut solver for type classes to work by
    recursively calling the solver rather than by having a little baby
    solver that kept being not clever enough.
    See Note [Shortcut solving] in GHC.Tc.Solver.Dict
  
  * I totally rewrote the desugaring of SPECIALISE pragmas, again.
    The new story is in Note [Desugaring new-form SPECIALISE pragmas]
    in GHC.HsToCore.Binds
  
    Both old-form and new-form SPECIALISE pragmas now route through the same
    function `dsSpec_help`.   The tricky function `decomposeRuleLhs` is now used only
    for user-written RULES, not for SPECIALISE pragmas.
  
  * I improved `solveOneFromTheOther` to account for rewriter sets. Previously
    it would solve a non-rewritten dict from a rewritten one.  For equalities
    we were already dealing with this, in
  
  Some incidental refactoring
  
  * A small refactor: `ebv_tcvs` in `EvBindsBar` now has a list of coercions, rather
    than a set of tyvars.  We just delay taking the free vars.
  
  * GHC.Core.FVs.exprFVs now returns /all/ free vars.
    Use `exprLocalFVs` for Local vars.
    Reason: I wanted another variant for /evidence/ variables.
  
  * Ues `EvId` in preference to `EvVar`.  (Evidence variables are always Ids.)
    Rename `isEvVar` to `isEvId`.
  
  * I moved `inert_safehask` out of `InertCans` and into `InertSet` where it
    more properly belongs.
  
  Compiler-perf changes:
    * There was a palpable bug (#26117) which this MR fixes in
      newWantedEvVar, which bypassed all the subtle overlapping-Given
      and shortcutting logic.  (See the new `newWantedEvVar`.)  Fixing this
      but leads to extra dictionary bindings; they are optimised away quickly
      but they made CoOpt_Read allocate 3.6% more.
  
    * Hpapily T15164 improves.
  
    * The net compiler-allocation change is 0.0%
  
  Metric Decrease:
      T15164
  Metric Increase:
      CoOpt_Read
      T12425
  

• 953fd8f1
  by Simon Peyton Jones at 2025-07-25T09:49:58+01:00

  Solve forall-constraints immediately, or not at all
  
  This MR refactors the constraint solver to solve forall-constraints immediately,
  rather than emitting an implication constraint to be solved later.
  
  The most immediate motivation was that when solving quantified constraints
  in SPECIALISE pragmas, we really really don't want to leave behind half-
  solved implications.  Also it's in tune with the approach of the new
  short-cut solver, which recursively invokes the solver.
  
  It /also/ saves quite a bit of plumbing; e.g
  
    - The `wl_implics` field of `WorkList` is gone,
  
    - The types of `solveSimpleWanteds` and friends are simplified.
  
    - An EvFun contains binding, rather than an EvBindsVar ref-cell that
      will in the future contain bindings.  That makes `evVarsOfTerm`
      simpler.  Much nicer.
  
  It also improves error messages a bit.
  
  All described in Note [Solving a Wanted forall-constraint] in
  GHC.Tc.Solver.Solve.
  
  One tiresome point: in the tricky case of `inferConstraintsCoerceBased`
  we make a forall-constraint.  This we /do/ want to partially solve, so
  we can infer a suitable context. (I'd be quite happy to force the user to
  write a context, bt I don't want to change behavior.)  So we want to generate
  an /implication/ constraint in `emitPredSpecConstraints` rather than a
  /forall-constraint/ as we were doing before.  Discussed in (WFA3) of
  the above Note.
  
  Incidental refactoring
  
  * `GHC.Tc.Deriv.Infer.inferConstraints` was consulting the state monad for
    the DerivEnv that the caller had just consulted.  Nicer to pass it as an
    argument I think, so I have done that.  No change in behaviour.
  

• 6921ab42
  by Simon Peyton Jones at 2025-07-25T09:49:58+01:00

  Remove duplicated code in Ast.hs for evTermFreeVars
  
  This is just a tidy up.
  

• 1165f587
  by Simon Peyton Jones at 2025-07-25T09:49:58+01:00

  Small tc-tracing changes only
  

• 0776ffe0
  by Simon Hengel at 2025-07-26T04:54:20-04:00

  Respect `-fdiagnostics-as-json` for core diagnostics (see #24113)
  

• cc1116e0
  by Andrew Lelechenko at 2025-07-26T04:55:01-04:00

  docs: add since pragma to Data.List.NonEmpty.mapMaybe
  

• ee2dc248
  by Simon Hengel at 2025-07-31T06:25:35-04:00

  Update comments on `OptKind` to reflect the code reality
  

• b029633a
  by Wen Kokke at 2025-07-31T06:26:21-04:00

  rts: Disable --eventlog-flush-interval unless compiled with -threaded.
  
  This commit fixes issue #26222:
  Using --eventlog-flush-interval with the non-threaded RTS leads to eventlog corruption.
  https://gitlab.haskell.org/ghc/ghc/-/issues/26222
  
  This commit makes three changes when code is compiled against the non-threaded RTS:
  
  1. It disables the --eventlog-flush-interval flag.
  2. It disables the documentation for the --eventlog-flush-interval flag.
  3. It disables the relevant state from RtsConfig and code from Timer.
  4. It updates the entry for --eventlog-flush-interval in the users guide.
  

• 31159f1d
  by Wen Kokke at 2025-07-31T06:26:21-04:00

  rts: Split T20006 into tests with and without -threaded
  

• 618687ef
  by Simon Hengel at 2025-07-31T06:27:03-04:00

  docs/users_guide/win32-dlls.rst: Remove references to `readline`
  

• 083e40f1
  by Rodrigo Mesquita at 2025-08-01T04:38:23-04:00

  debugger: Uniquely identify breakpoints by internal id
  
  Since b85b11994e0130ff2401dd4bbdf52330e0bcf776 (support inlining
  breakpoints), a breakpoint has been identified at runtime by *two* pairs
  of <module,index>.
  
  - The first, aka a 'BreakpointId', uniquely identifies a breakpoint in
    the source of a module by using the Tick index. A Tick index can index
    into ModBreaks.modBreaks_xxx to fetch source-level information about
    where that tick originated.
  
      - When a user specifies e.g. a line breakpoint using :break, we'll reverse
        engineer what a Tick index for that line
      - We update the `BreakArray` of that module (got from the
        LoaderState) at that tick index to `breakOn`.
      - A BCO we can stop at is headed by a BRK_FUN instruction. This
        instruction stores in an operand the `tick index` it is associated
        to. We look it up in the associated `BreakArray` (also an operand)
        and check wheter it was set to `breakOn`.
  
  - The second, aka the `ibi_info_mod` + `ibi_info_ix` of the
    `InternalBreakpointId`, uniquely index into the `imodBreaks_breakInfo`
    -- the information we gathered during code generation about the
    existing breakpoint *ocurrences*.
  
    - Note that with optimisation there may be many occurrences of the
      same source-tick-breakpoint across different modules. The
      `ibi_info_ix` is unique per occurrence, but the `bi_tick_ix` may be
      shared. See Note [Breakpoint identifiers] about this.
  
    - Note that besides the tick ids, info ids are also stored in
      `BRK_FUN` so the break handler can refer to the associated
      `CgBreakInfo`.
  
  In light of that, the driving changes come from the desire to have the
  info_id uniquely identify the breakpoint at runtime, and the source tick
  id being derived from it:
  
  - An InternalBreakpointId should uniquely identify a breakpoint just
    from the code-generation identifiers of `ibi_info_ix` and `ibi_info_mod`.
    So we drop `ibi_tick_mod` and `ibi_tick_ix`.
  - A BRK_FUN instruction need only record the "internal breakpoint id",
    not the tick-level id.
    So we drop the tick mod and tick index operands.
  - A BreakArray should be indexed by InternalBreakpointId rather than
    BreakpointId
  
  That means we need to do some more work when setting a breakpoint.
  Specifically, we need to figure out the internal ids (occurrences of a
  breakpoint) from the source-level BreakpointId we want to set the
  breakpoint at (recall :break refers to breaks at the source level).
  
  Besides this change being an improvement to the handling of breakpoints
  (it's clearer to have a single unique identifier than two competing
  ones), it unlocks the possibility of generating "internal" breakpoints
  during Cg (needed for #26042).
  It should also be easier to introduce multi-threaded-aware `BreakArrays`
  following this change (needed for #26064).
  
  Se also the new Note [ModBreaks vs InternalModBreaks]
  
  On i386-linux:
  
  -------------------------
  Metric Decrease:
      interpreter_steplocal
  -------------------------
  

• bf03bbaa
  by Simon Hengel at 2025-08-01T04:39:05-04:00

  Don't use MCDiagnostic for `ghcExit`
  
  This changes the error message of `ghcExit` from
  
  ```
  <no location info>: error:
  Compilation had errors
  
  ```
  to
  ```
  
  Compilation had errors
  
  ```
  

• a889ec75
  by Simon Hengel at 2025-08-01T04:39:05-04:00

  Respect `-fdiagnostics-as-json` for driver diagnostics (see #24113)
  

• 81577fe7
  by Ben Gamari at 2025-08-02T04:29:39-04:00

  configure: Allow override of CrossCompiling
  
  As noted in #26236, the current inference logic is a bit simplistic. In
  particular, there are many cases (e.g. building for a new libc) where
  the target and host triples may differ yet we are still able to run the
  produced artifacts as native code.
  
  Closes #26236.
  

• 01136779
  by Andreas Klebinger at 2025-08-02T04:30:20-04:00

  rts: Support COFF BigObj files in archives.
  

• 1f9e4f54
  by Stephen Morgan at 2025-08-03T15:14:08+10:00

  refactor: Modify Data.List.sortOn to use (>) instead of compare. (#26184)
  
  This lets a more efficient (>) operation be used if one exists.
  
  This is technically a breaking change for malformed Ord instances, where
  x > y is not equivalent to compare x y == GT.
  
  Discussed by the CLC in issue #332: https://github.com/haskell/core-libraries-committee/issues/332
  

• 4f6bc9cf
  by fendor at 2025-08-04T17:50:06-04:00

  Revert "base: Expose Backtraces constructor and fields"
  
  This reverts commit 17db44c5b32fff82ea988fa4f1a233d1a27bdf57.
  

• bcdec657
  by Zubin Duggal at 2025-08-05T10:37:29+05:30

  compiler: Export a version of `newNameCache` that is not prone to footguns.
  `newNameCache` must be initialized with both a non-"reserved" unique tag, as well
  as a list of known key names. Failing to do so results in hard to debug unique conflicts.
  
  It is difficult for API users to tell which unique tags are safe to use. So instead of leaving
  this up to the user to decide, we now export a version of `newNameCache` which uses a guaranteed
  non-reserved unique tag. In fact, this is now the way the unique tag is initialized for all invocations
  of the compiler.
  
  The original version of `newNameCache` is now exported as `newNameCache'` for advanced users.
  
  We also deprecate `initNameCache` as it is also prone to footguns and is completely subsumed in
  functionality by `newNameCache` and `newNameCache'`.
  
  Fixes #26135 and #26055
  

• 57d3b4a8
  by Andrew Lelechenko at 2025-08-05T18:36:31-04:00

  hadrian: bump Stackage snapshot to LTS 24.2 / GHC 9.10.2
  
  In line with #25693 we should use GHC 9.10 as a boot compiler,
  while Hadrian stack.yaml was stuck on GHC 9.6.
  

• c2a78cea
  by Peng Fan at 2025-08-05T18:37:27-04:00

  NCG/LA64: implement atomic write with finer-grained DBAR hints
  
  Signed-off-by: Peng Fan <fanpeng@loongson.cn>
  

• 95231c8e
  by Teo Camarasu at 2025-08-06T08:35:58-04:00

  CODEOWNERS: add CLC as codeowner of base
  
  We also remove hvr, since I think he is no longer active

• 77df0ded
  by Andrew Lelechenko at 2025-08-06T08:36:39-04:00

  Bump submodule text to 2.1.3
  

• 8af260d0
  by Nikolaos Chatzikonstantinou at 2025-08-06T08:37:23-04:00

  docs: fix internal import in getopt examples
  
  This external-facing doc example shouldn't mention GHC internals when
  using 'fromMaybe'.
  

• 69cc16ca
  by Marc Scholten at 2025-08-06T15:51:28-04:00

  README: Add note on ghc.nix
  

• 93a2f450
  by Daniel Díaz at 2025-08-06T15:52:14-04:00

  Link to the "Strict Bindings" docs from the linear types docs
  
  Strict Bidings are relevant for the kinds of multiplicity annotations
  linear lets support.
  

• 246b7853
  by Matthew Pickering at 2025-08-07T06:58:30-04:00

  level imports: Check the level of exported identifiers
  
  The level imports specification states that exported identifiers have to
  be at level 0. This patch adds the requird level checks that all
  explicitly mentioned identifiers occur at level 0.
  
  For implicit export specifications (T(..) and module B), only level 0
  identifiers are selected for re-export.
  
  ghc-proposal: https://github.com/ghc-proposals/ghc-proposals/pull/705
  
  Fixes #26090
  

• 358bc4fc
  by fendor at 2025-08-07T06:59:12-04:00

  Bump GHC on darwin CI to 9.10.1
  

• 1903ae35
  by Matthew Pickering at 2025-08-07T12:21:10+01:00

  ipe: Place strings and metadata into specific .ipe section
  
  By placing the .ipe metadata into a specific section it can be stripped
  from the final binary if desired.
  
  ```
  objcopy --remove-section .ipe <binary>
  upx <binary>
  ```
  
  Towards #21766
  

• c80dd91c
  by Matthew Pickering at 2025-08-07T12:22:42+01:00

  ipe: Place magic word at the start of entries in the .ipe section
  
  The magic word "IPE\nIPE\n" is placed at the start of .ipe sections,
  then if the section is stripped, we can check whether the section starts
  with the magic word or not to determine whether there is metadata
  present or not.
  
  Towards #21766
  

• cab42666
  by Matthew Pickering at 2025-08-07T12:22:42+01:00

  ipe: Use stable IDs for IPE entries
  
  IPEs have historically been indexed and reported by their address.
  This makes it impossible to compare profiles between runs, since the
  addresses may change (due to ASLR) and also makes it tricky to separate
  out the IPE map from the binary.
  
  This small patch adds a stable identifier for each IPE entry.
  
  The stable identifier is a single 64 bit word. The high-bits are a
  per-module identifier and the low bits identify which entry in each
  module.
  
  1. When a node is added into the IPE buffer it is assigned a unique
     identifier from an incrementing global counter.
  2. Each entry already has an index by it's position in the
     `IpeBufferListNode`.
  
  The two are combined together by the `IPE_ENTRY_KEY` macro.
  
  Info table profiling uses the stable identifier rather than the address
  of the info table.
  
  The benefits of this change are:
  
  * Profiles from different runs can be easily compared
  * The metadata can be extracted from the binary (via the eventlog for
    example) and then stripped from the executable.
  
  Fixes #21766
  

• 2860a9a5
  by Simon Peyton Jones at 2025-08-07T20:29:18-04:00

  In TcSShortCut, typechecker plugins should get empty Givens
  
  Solving in TcShortCut mode means /ignoring the Givens/. So we
  should not pass them to typechecker plugins!
  
  Fixes #26258.
  
  This is a fixup to the earlier MR:
  
      commit 1bd12371feacc52394a0e660ef9349f9e8ee1c06
      Author: Simon Peyton Jones <simon.peytonjones@gmail.com>
      Date:   Mon Jul 21 10:04:49 2025 +0100
  
          Improve treatment of SPECIALISE pragmas -- again!
  

• 2157db2d
  by sterni at 2025-08-08T15:32:39-04:00

  hadrian: enable terminfo if --with-curses-* flags are given
  
  The GHC make build system used to support WITH_TERMINFO in ghc.mk which
  allowed controlling whether to build GHC with terminfo or not. hadrian
  has replaced this with a system where this is effectively controlled by
  the cross-compiling setting (the default WITH_TERMINFO value was bassed
  on CrossCompiling, iirc).
  
  This behavior is undesireable in some cases and there is not really a
  good way to work around it. Especially for downstream packagers,
  modifying this via UserSettings is not really feasible since such a
  source file has to be kept in sync with Settings/Default.hs manually
  since it can't import Settings.Default or any predefined Flavour
  definitions.
  
  To avoid having to add a new setting to cfg/system.config and/or a new
  configure flag (though I'm happy to implement both if required), I've
  chosen to take --with-curses-* being set explicitly as an indication
  that the user wants to have terminfo enabled. This would work for
  Nixpkgs which sets these flags [1] as well as haskell.nix [2] (which
  goes to some extreme measures [3] [4] to force terminfo in all scenarios).
  
  In general, I'm an advocate for making the GHC build be the same for
  native and cross insofar it is possible since it makes packaging GHC and
  Haskell related things while still supporting cross much less
  compilicated. A more minimal GHC with reduced dependencies should
  probably be a specific flavor, not the default.
  
  Partially addresses #26288 by forcing terminfo to be built if the user
  explicitly passes configure flags related to it. However, it isn't built
  by default when cross-compiling yet nor is there an explicit way to
  control the package being built.
  
  [1]: https://github.com/NixOS/nixpkgs/blob/3a7266fcefcb9ce353df49ba3f292d06443760bb/pkgs/development/compilers/ghc/common-hadrian.nix#L513-L515
  [2]: https://github.com/input-output-hk/haskell.nix/blob/6eaafcdf04bab7be745d1aa4f74d2cc85700042b/compiler/ghc/default.nix#L185
  [3]: https://github.com/input-output-hk/haskell.nix/blob/6eaafcdf04bab7be745d1aa4f74d2cc85700042b/compiler/ghc/default.nix#L678-L682
  [4]: https://github.com/input-output-hk/haskell.nix/blob/6eaafcdf04bab7be745d1aa4f74d2cc85700042b/compiler/ghc/default.nix#L772-L773
  

• b3c31488
  by David Feuer at 2025-08-08T15:33:21-04:00

  Add default QuasiQuoters
  
  Add `defaultQuasiQuoter` and `namedDefaultQuasiQuoter` to make it easier
  to write `QuasiQuoters` that give helpful error messages when they're
  used in inappropriate contexts.
  
  Closes #24434.
  

• 03555ed8
  by Sylvain Henry at 2025-08-10T22:20:57-04:00

  Handle non-fractional CmmFloats in Cmm's CBE (#26229)
  
  Since f8d9d016305be355f518c141f6c6d4826f2de9a2, toRational for Float and
  Double converts float's infinity and NaN into Rational's infinity and
  NaN (respectively 1%0 and 0%0).
  
  Cmm CommonBlockEliminator hashing function needs to take these values
  into account as they can appear as literals now. See added testcase.
  

• 6c956af3
  by J. Ryan Stinnett at 2025-08-10T22:21:42-04:00

  Fix extensions list in `DoAndIfThenElse` docs
  

• 6dc420b1
  by J. Ryan Stinnett at 2025-08-10T22:21:42-04:00

  Document status of `RelaxedPolyRec` extension
  
  This adds a brief extension page explaining the status of the
  `RelaxedPolyRec` extension. The behaviour of this mode is already
  explained elsewhere, so this page is mainly for completeness so that
  various lists of extensions have somewhere to point to for this flag.
  
  Fixes #18630
  

• 18036d52
  by Simon Peyton Jones at 2025-08-11T11:31:20-04:00

  Take more care in zonkEqTypes on AppTy/AppTy
  
  This patch fixes #26256.
  
  See Note [zonkEqTypes and the PKTI] in GHC.Tc.Solver.Equality
  

• c8d76a29
  by Zubin Duggal at 2025-08-11T11:32:02-04:00

  ci: upgrade bootstrap compiler on windows to 9.10.1
  

• 34fc50c1
  by Ben Gamari at 2025-08-11T13:36:25-04:00

  Kill IOPort#
  
  This type is unnecessary, having been superceded by `MVar` and a rework
  of WinIO's blocking logic.
  
  See #20947.
  
  See https://github.com/haskell/core-libraries-committee/issues/213.
  

• 56b32c5a
  by sheaf at 2025-08-12T10:00:19-04:00

  Improve deep subsumption
  
  This commit improves the DeepSubsumption sub-typing implementation
  in GHC.Tc.Utils.Unify.tc_sub_type_deep by being less eager to fall back
  to unification.
  
  For example, we now are properly able to prove the subtyping relationship
  
    ((∀ a. a->a) -> Int) -> Bool  <=  β[tau] Bool
  
  for an unfilled metavariable β. In this case (with an AppTy on the right),
  we used to fall back to unification. No longer: now, given that the LHS
  is a FunTy and that the RHS is a deep rho type (does not need any instantiation),
  we try to make the RHS into a FunTy, viz.
  
    β := (->) γ
  
  We can then continue using covariance & contravariance of the function
  arrow, which allows us to prove the subtyping relationship, instead of
  trying to unify which would cause us to error out with:
  
    Couldn't match expected type ‘β’ with actual type ‘(->) ((∀ a. a -> a) -> Int)
  
  See Note [FunTy vs non-FunTy case in tc_sub_type_deep] in GHC.Tc.Utils.Unify.
  
  The other main improvement in this patch concerns type inference.
  The main subsumption logic happens (before & after this patch) in
  GHC.Tc.Gen.App.checkResultTy. However, before this patch, all of the
  DeepSubsumption logic only kicked in in 'check' mode, not in 'infer' mode.
  
  This patch adds deep instantiation in the 'infer' mode of checkResultTy
  when we are doing deep subsumption, which allows us to accept programs
  such as:
  
    f :: Int -> (forall a. a->a)
    g :: Int -> Bool -> Bool
  
    test1 b =
      case b of
        True  -> f
        False -> g
    test2 b =
      case b of
        True  -> g
        False -> f
  
  See Note [Deeply instantiate in checkResultTy when inferring].
  
  Finally, we add representation-polymorphism checks to ensure that the
  lambda abstractions we introduce when doing subsumption obey the
  representation polymorphism invariants of Note [Representation polymorphism invariants]
  in GHC.Core. See Note [FunTy vs FunTy case in tc_sub_type_deep].
  This is accompanied by a courtesy change to `(<.>) :: HsWrapper -> HsWrapper -> HsWrapper`,
  adding the equation:
  
    WpCast c1 <.> WpCast c2 = WpCast (c1 `mkTransCo` c2)
  
  This is useful because mkWpFun does not introduce an eta-expansion when
  both of the argument & result wrappers are casts; so this change allows
  us to avoid introducing lambda abstractions when casts suffice.
  
  Fixes #26225
  

• d175aff8
  by Sylvain Henry at 2025-08-12T10:01:31-04:00

  Add regression test for #18619
  

• a3983a26
  by Sylvain Henry at 2025-08-12T10:02:20-04:00

  RTS: remove some TSAN annotations (#20464)
  
  Use RELAXED_LOAD_ALWAYS macro instead.
  

• 0434af81
  by Ben Gamari at 2025-08-12T10:03:02-04:00

  Bump time submodule to 1.15
  
  Also required bumps of Cabal, directory, and hpc.
  

• 62899117
  by Florian Ragwitz at 2025-08-13T21:01:34-04:00

  Extend record-selector usage ticking to all binds using a record field
  
  This extends the previous handling of ticking for RecordWildCards and
  NamedFieldPuns to all var bindings that involve record selectors.
  
  Note that certain patterns such as `Foo{foo = 42}` will currently not tick the
  `foo` selector, as ticking is triggered by `HsVar`s.
  
  Closes #26191.
  

• b37b3af7
  by Florian Ragwitz at 2025-08-13T21:01:34-04:00

  Add release notes for 9.16.1 and move description of latest HPC changes there.
  

• a5e4b7d9
  by Ben Gamari at 2025-08-13T21:02:18-04:00

  rts: Clarify rationale for undefined atomic wrappers
  
  Since c06e3f46d24ef69f3a3d794f5f604cb8c2a40cbc the RTS has declared
  various atomic operation wrappers defined by ghc-internal as undefined.
  While the rationale for this isn't clear from the commit message, I
  believe that this is necessary due to the unregisterised backend.
  Specifically, the code generator will reference these symbols when
  compiling RTS Cmm sources.
  

• 50842f83
  by Andreas Klebinger at 2025-08-13T21:03:01-04:00

  Make unexpected LLVM versions a warning rather than an error.
  
  Typically a newer LLVM version *will* work so erroring out if
  a user uses a newer LLVM version is too aggressive.
  
  Fixes #25915
  

• c91e2650
  by fendor at 2025-08-13T21:03:43-04:00

  Store `StackTrace` and `StackSnapshot` in `Backtraces`
  
  Instead of decoding the stack traces when collecting the `Backtraces`,
  defer this decoding until actually showing the `Backtraces`.
  This allows users to customise how `Backtraces` are displayed by
  using a custom implementation of `displayExceptionWithInfo`, overwriting
  the default implementation for `Backtraces` (`displayBacktraces`).
  

• dee28cdd
  by fendor at 2025-08-13T21:03:43-04:00

  Allow users to customise the collection of exception annotations
  
  Add a global `CollectExceptionAnnotationMechanism` which determines how
  `ExceptionAnnotation`s are collected upon throwing an `Exception`.
  
  This API is exposed via `ghc-experimental`.
  
  By overriding how we collect `Backtraces`, we can control how the
  `Backtraces` are displayed to the user by newtyping `Backtraces` and
  giving a different instance for `ExceptionAnnotation`.
  
  A concrete use-case for this feature is allowing us to experiment with
  alternative stack decoders, without having to modify `base`, which take
  additional information from the stack frames.
  
  This commit does not modify how `Backtraces` are currently
  collected or displayed.
  

• 66024722
  by fendor at 2025-08-13T21:03:43-04:00

  Expose Backtraces internals from ghc-experimental
  
  Additionally, expose the same API `base:Control.Exception.Backtrace`
  to make it easier to use as a drop-in replacement.
  

• a766286f
  by Reed Mullanix at 2025-08-13T21:04:36-04:00

  ghc-internal: Fix naturalAndNot for NB/NS case
  
  When the first argument to `naturalAndNot` is larger than a `Word` and the second is `Word`-sized, `naturalAndNot` will truncate the
  result:
  
  ```
  >>> naturalAndNot ((2 ^ 65) .|. (2 ^ 3)) (2 ^ 3)
  0
  ```
  
  In contrast, `naturalAndNot` does not truncate when both arguments are larger than a `Word`, so this appears to be a bug.
  Luckily, the fix is pretty easy: we just need to call `bigNatAndNotWord#` instead of truncating.
  
  Fixes #26230
  

• 3506fa7d
  by Simon Hengel at 2025-08-13T21:05:18-04:00

  Report -pgms as a deprecated flag
  
  (instead of reporting an unspecific warning)
  
  Before:
  
      on the commandline: warning:
          Object splitting was removed in GHC 8.8
  
  After:
  
      on the commandline: warning: [GHC-53692] [-Wdeprecated-flags]
          -pgms is deprecated: Object splitting was removed in GHC 8.8
  

• 51c701fe
  by Zubin Duggal at 2025-08-13T21:06:00-04:00

  testsuite: Be more permissive when filtering out GNU_PROPERTY_TYPE linker warnings
  
  The warning text is slightly different with ld.bfd.
  
  Fixes #26249
  

• dfe6f464
  by Simon Hengel at 2025-08-13T21:06:43-04:00

  Refactoring: Don't misuse `MCDiagnostic` for lint messages
  
  `MCDiagnostic` is meant to be used for compiler diagnostics.
  
  Any code that creates `MCDiagnostic` directly, without going through
  `GHC.Driver.Errors.printMessage`, side steps `-fdiagnostics-as-json`
  (see e.g. !14475, !14492 !14548).
  
  To avoid this in the future I want to control more narrowly who creates
  `MCDiagnostic` (see #24113).
  
  Some parts of the compiler use `MCDiagnostic` purely for formatting
  purposes, without creating any real compiler diagnostics.  This change
  introduces a helper function, `formatDiagnostic`, that can be used in
  such cases instead of constructing `MCDiagnostic`.
  

• a8b2fbae
  by Teo Camarasu at 2025-08-13T21:07:24-04:00

  rts: ensure MessageBlackHole.link is always a valid closure
  
  We turn a MessageBlackHole into an StgInd in wakeBlockingQueue().
  Therefore it's important that the link field, which becomes the
  indirection field, always points to a valid closure.
  
  It's unclear whether it's currently possible for the previous behaviour
  to lead to a crash, but it's good to be consistent about this invariant nonetheless.
  
  Co-authored-by: Andreas Klebinger <klebinger.andreas@gmx.at>
  

• 4021181e
  by Teo Camarasu at 2025-08-13T21:07:24-04:00

  rts: spin if we see a WHITEHOLE in messageBlackHole
  
  When a BLACKHOLE gets cancelled in raiseAsync, we indirect to a THUNK.
  GC can then shortcut this, replacing our BLACKHOLE with a fresh THUNK.
  
  This THUNK is not guaranteed to have a valid indirectee field.
  
  If at the same time, a message intended for the previous BLACKHOLE is
  processed and concurrently we BLACKHOLE the THUNK, thus temporarily
  turning it into a WHITEHOLE, we can get a segfault, since we look at the
  undefined indirectee field of the THUNK
  
  The fix is simple: spin if we see a WHITEHOLE, and it will soon be
  replaced with a valid BLACKHOLE.
  
  Resolves #26205
  

• 1107af89
  by Oleg Grenrus at 2025-08-13T21:08:06-04:00

  Allow defining HasField instances for naughty fields
  
  Resolves #26295
  
  ... as HasField solver doesn't solve for fields with "naughty"
  selectors, we could as well allow defining HasField instances for these
  fields.
  

• 020e7587
  by Sylvain Henry at 2025-08-13T21:09:00-04:00

  Fix Data.List unqualified import warning
  

• fd811ded
  by Simon Peyton Jones at 2025-08-14T17:56:47-04:00

  Make injecting implicit bindings into its own pass
  
  Previously we were injecting "impliicit bindings" (data constructor
  worker and wrappers etc)
  
    - both at the end of CoreTidy,
    - and at the start of CorePrep
  
  This is unpleasant and confusing.  This patch puts it it its own pass,
  addImplicitBinds, which runs between the two.
  
  The function `GHC.CoreToStg.AddImplicitBinds.addImplicitBinds` now takes /all/
  TyCons, not just the ones for algebraic data types.  That change ripples
  through to
       - corePrepPgm
       - doCodeGen
       - byteCodeGen
  All take [TyCon] which includes all TyCons
  

• 9bd7fcc5
  by Simon Peyton Jones at 2025-08-14T17:56:47-04:00

  Implement unary classes
  
  The big change is described exhaustively in
  
     Note [Unary class magic] in GHC.Core.TyCon
  
  Other changes
  
  * We never unbox class dictionaries in worker/wrapper.  This has been true for some
    time now, but the logic is now centralised in functions in
    GHC.Core.Opt.WorkWrap.Utils, namely `canUnboxTyCon`, and `canUnboxArg`
    See Note [Do not unbox class dictionaries] in GHC.Core.Opt.WorkWrap.Utils.
  
  * Refactored the `notWorthFloating` logic in GHc.Core.Opt.SetLevels.
    I can't remember if I actually changed any behaviour here, but if so it's
    only in a corner cases.
  
  * Fixed a bug in `GHC.Core.TyCon.isEnumerationTyCon`, which was wrongly returning
    True for (##).
  
  * Remove redundant Role argument to `liftCoSubstWithEx`.  It was always
    Representational.
  
  * I refactored evidence generation in the constraint solver:
    * Made GHC.Tc.Types.Evidence contain better abstactions for evidence
      generation.
    * I deleted the file `GHC.Tc.Types.EvTerm` and merged its (small) contents
      elsewhere. It wasn't paying its way.
    * Made evidence for implicit parameters go via a proper abstraction.
  
  * Fix inlineBoringOk; see (IB6) in Note [inlineBoringOk]
    This fixes a slowdown in `countdownEffectfulDynLocal`
    in the `effectful` library.
  
  Smaller things
  
  * Rename `isDataTyCon` to `isBoxedDataTyCon`.
  * GHC.Core.Corecion.liftCoSubstWithEx was only called with Representational role,
    so I baked that into the function and removed the argument.
  * Get rid of `GHC.Core.TyCon.tyConSingleAlgDataCon_maybe` in favour of calling
    `not isNewTyCon` at the call sites; more explicit.
  * Refatored `GHC.Core.TyCon.isInjectiveTyCon`; but I don't think I changed its
    behaviour
  * Moved `decomposeIPPred` to GHC.Core.Predicate
  
  Compile time performance changes:
    geo. mean        +0.1%
      minimum        -6.8%
      maximum       +14.4%
  
  The +14% one is in T21839c, where it seems that a bit more inlining
  is taking place.  That seems acceptable; and the average change is small
  
  Metric Decrease:
      LargeRecord
      T12227
      T12707
      T16577
      T21839r
      T5642
  Metric Increase:
      T15164
      T21839c
      T3294
      T5321FD
      T5321Fun
      WWRec
  

• b4075d71
  by Simon Peyton Jones at 2025-08-14T17:56:47-04:00

  Slight improvement to pre/postInlineUnconditionally
  
  Avoids an extra simplifier iteration
  

• 9e443596
  by Simon Peyton Jones at 2025-08-14T17:56:47-04:00

  Fix a long-standing assertion error in normSplitTyConApp_maybe
  

• 91310ad0
  by Simon Peyton Jones at 2025-08-14T17:56:47-04:00

  Add comment to coercion optimiser
  

• 5b841d82
  by Teo Camarasu at 2025-08-14T17:57:56-04:00

  template-haskell: move some identifiers from ghc-internal to template-haskell
  
  These identifiers are not used internally by the compiler. Therefore we
  have no reason for them to be in ghc-internal.
  
  By moving them to template-haskell, we benefit from it being easier to
  change them and we avoid having to build them in stage0.
  
  Resolves #26048
  

• 33e2c7e5
  by Teo Camarasu at 2025-08-14T17:57:56-04:00

  template-haskell: transfer $infix note to public module
  
  This Haddock note should be in the public facing module
  

• 2a411fc4
  by Sylvain Henry at 2025-08-14T17:59:09-04:00

  JS: export HEAP8 symbol (#26290)
  
  Newer Emscripten requires this.
  

• 248f78ca
  by Ben Gamari at 2025-08-14T17:59:51-04:00

  users-guide: Drop the THREAD_RUNNABLE event
  
  As of f361281c89fbce42865d8b8b27b0957205366186 it is no longer emitted.

• 706d33e3
  by Recursion Ninja at 2025-08-15T04:12:12-04:00

  Resolving issues #20645 and #26109
  
  Correctly sign extending and casting smaller bit width types for LLVM operations:
  
    - bitReverse8#
    - bitReverse16#
    - bitReverse32#
    - byteSwap16#
    - byteSwap32#
    - pdep8#
    - pdep16#
    - pext8#
    - pext16#
  

• 1cdc6f46
  by Cheng Shao at 2025-08-15T04:12:56-04:00

  hadrian: enforce have_llvm=False for wasm32/js
  
  This patch fixes hadrian to always pass have_llvm=False to the
  testsuite driver for wasm32/js targets. These targets don't really
  support the LLVM backend, and the optllvm test way doesn't work. We
  used to special-case wasm32/js to avoid auto-adding optllvm way in
  testsuite/config/ghc, but this is still problematic if someone writes
  a new LLVM-related test and uses something like when(have_llvm(),
  extra_ways(["optllvm"])). So better just enforce have_llvm=False for
  these targets here.
  

• ca03226d
  by Ben Gamari at 2025-08-18T13:43:20+00:00

  configure: Allow use of LLVM 20

• 783cd7d6
  by Cheng Shao at 2025-08-18T20:13:14-04:00

  compiler: use `UniqMap` instead of `Map` for `BCEnv` in bytecode compiler
  
  The bytecode compiler maintains a `BCEnv` which was previously `Map Id
  StackDepth`. Given `Id` is `Uniquable`, we might as well use `UniqMap`
  here as a more efficient data structure, hence this patch.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 58e46da9
  by fendor at 2025-08-18T20:13:56-04:00

  rts: Strip lower three bits when hashing Word instead of lower eight bits
  

• 45dbfa23
  by Cheng Shao at 2025-08-18T20:14:37-04:00

  libffi: update to 3.5.2
  
  Bumps libffi submodule.
  

• 54be78ef
  by Ben Gamari at 2025-08-19T16:28:05-04:00

  testsuite: Fix T20006b
  
  This test is supposed to fail for non-threaded ways yet it
  was previously marked as only failing in `normal`.
  Fix this.

• f4bac607
  by Simon Peyton Jones at 2025-08-19T16:28:47-04:00

  Take yet more care with reporting redundant constraints
  
  This small patch fixes #25992, which relates to reporting redundant
  constraints on default-method declarations.
  
  See (TRC5) in Note [Tracking redundant constraints]
  

• ab130fec
  by fendor at 2025-08-19T16:29:29-04:00

  Bump dependencies of hadrian-bootstrap-gen to use GHC 9.6.7
  

• 6d02ac6f
  by fendor at 2025-08-19T16:29:29-04:00

  Bump required GHC version for test-bootstrap jobs to 9.10.1
  
  Include test-bootstrap job for GHC 9.12.2.
  
  Update hadrian bootstrap plans use GHC 9.10 and 9.12
  
  Remove older GHC bootstrap configurations.
  We require at least GHC 9.10.1 to build GHC.
  
  Adds plans for:
  
  * 9.10.1
  * 9.10.2
  * 9.12.1
  * 9.12.2
  

• 9e857171
  by Brandon Chinn at 2025-08-20T11:47:46-04:00

  Don't warn unused-imports with used generated imports
  
  Fixes #21730
  
  * The old notion of "implicit" import has been renamed to "generated". See Note [Generated imports] in GHC.Hs.ImpExp.
  
  * ImportMap now keeps track of generated and user-written imports separately. This avoids the fake SrcSpan we used to give the implicit Prelude import, and the hack that went with it.
  
  * -ddump-minimal-imports now considers generated imports (but still only
    warns on + prints user-written imports)
  
  * bestImport considers generated imports to take priority over user-written imports.
  

• 9fb3bad4
  by Ben Gamari at 2025-08-20T11:48:31-04:00

  mailmap: Use ben@well-typed.com more liberally
  
  Nearly all of this work was done while working for Well-Typed.
  

• 774fec37
  by Ben Gamari at 2025-08-20T11:49:15-04:00

  Add primop to annotate the call stack with arbitrary data
  
  We introduce a new primop `annotateStack#` which allows us to push
  arbitrary data onto the call-stack.
  This allows us to extract the data later when decoding the stack, for
  example when an exception is thrown, showing more information to the
  user without having to annotate the full call-stack with `HasCallStack`
  constraints.
  
  A new stack frame value is introduced `AnnFrame`, which consists of
  nothing but a generic payload.
  
  The primop has a small wrapper API that allows users to annotate their
  call-stack in programs.
  There is a pure API and an IO-based one. The former is a little bit
  dubious, as it affects the evaluation of a program, so use with care.
  The latter is "safe", as it doesn't change the evaluation of the
  program.
  
  The stack annotation mechanism is similarly implemented to the
  `ExceptionAnnotation` and `Exception`, there is a typeclass to indicate
  something can be pushed onto the call-stack and all values are wrapped
  in the existential `SomeStackAnnotation`, which recover the type of the
  annotation payload.
  
  There is currently no builtin way to show the stack annotations when
  `Backtraces` are displayed (i.e., when showing stack traces to the user),
  which we will address in a follow-up MR.
  
  -------------------------
  Metric Increase:
      ghc_experimental_so
  -------------------------
  
  We increase the size of the package, so this is not unreasonable.
  
  Co-Authored-By: fendor <fendor@posteo.de>
  Co-Authored-By: Ben Gamari <bgamari.foss@gmail.com>
  

• fdfa3892
  by Ben Gamari at 2025-08-20T11:49:57-04:00

  testsuite: Add regression test for #24606
  

• 39b2e382
  by Cheng Shao at 2025-08-20T11:50:40-04:00

  compiler: only use `Name` instead of `Id` in `SptEntry`
  
  As a part of #26298, this patch refactors `SptEntry` to only carry a
  `Name` instead of `Id`: we do not care about extra information like
  caffyness or type at all in any static pointer related codegen logic.
  This is necessary to make `SptEntry` serializable, as a part of the
  grand plan of serializable bytecode.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 276f8ea8
  by Vekhir -- at 2025-08-20T11:51:35-04:00

  Bump Cabal dependency

• 0b9c7437
  by Zubin Duggal at 2025-08-20T11:52:18-04:00

  ci: Teach ci.sh to fetch FreeBSD artifacts from ghcup unofficial bindists and bootstrap compiler on FreeBSD to 9.10.1
  
  Also refactor fetch_ghc logic in ci.sh, renaming the GHC_VERSION enviorment configuration variable to FETCH_GHC_VERSION,
  making it clear that it is intended for use on platforms like Windows and FreeBSD where we don't want to use the GHC
  excecutable from the platform environment and instead need to download and install GHC-$FETCH_GHC_VERSION from a release
  bindist.
  
  Fixes #26296
  

• b2914797
  by Cheng Shao at 2025-08-20T11:53:00-04:00

  driver: use UniqSet for hiddenModules in DynFlags/FinderOpts
  
  This patch replaces Set ModuleName with UniqSet ModuleName in
  DynFlags.hiddenModules and FinderOpts.finder_hiddenModules for
  improved efficiency.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 0335d899
  by Cheng Shao at 2025-08-20T11:53:00-04:00

  driver: use UniqMap ModuleName in the finder
  
  This patch replaces Map ModuleName with UniqMap ModuleName in the
  finder for improved efficiency.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 91f4faaa
  by Cheng Shao at 2025-08-20T11:53:43-04:00

  configure: check python3 version and require minimal 3.7
  
  Since !9515, the testsuite driver requires python3 version to be at
  least 3.7, though this has never been checked by configure logic. This
  patch implements the version check. Fixes #23234.
  
  Co-authored-by: Codex <codex@openai.com>
  

• df4ee9b4
  by Cheng Shao at 2025-08-20T11:54:25-04:00

  compiler: use zero cost coerce in GHC.CmmToAsm.CFG.loopInfo
  
  This patch refactors GHC.CmmToAsm.CFG.loopInfo to use zero cost coerce
  and thus addresses the TODO. For coerce to work, constructors of
  Label/LabelMap/LabelSet from GHC.Cmm.Dataflow.Label are exposed,
  though I believe it's a worthy tradeoff to avoid unnecessary runtime
  cost without using unsafeCoerce, since the latter could be a landmine
  for future refactoring.
  
  Co-authored-by: Codex <codex@openai.com>
  

• ccda188d
  by Simon Peyton Jones at 2025-08-20T11:55:07-04:00

  Start with empty inerts in shortcut solving
  
  When short-cut solving we were starting with an inert set that had
  unsolved Wanteds.  This caused an infinite loop (#26314), because a
  typechecker plugin kept being given that unsolved Wanted.
  
  It's better just to start with an empty inert set
  

• c8882ed7
  by Ben Gamari at 2025-08-20T11:55:49-04:00

  configure: Bump minimal bootstrap GHC version to 9.8

• f0a19d74
  by fendor at 2025-08-20T19:55:00-04:00

  Remove deprecated functions from the ghci package
  

• ebeb991b
  by fendor at 2025-08-20T19:55:00-04:00

  base: Remove unstable heap representation details from GHC.Exts
  

• e368e247
  by Rodrigo Mesquita at 2025-08-20T19:55:42-04:00

  bytecode: Use 32bits for breakpoint index
  
  Fixes #26325
  

• 42724462
  by Simon Hengel at 2025-08-21T17:52:11-04:00

  Serialize wired-in names as external names when creating HIE files
  
  Note that the domain of de-serialized names stays the same.
  Specifically, for known-key names, before `lookupKnownKeyName` was used,
  while now this is handled by `lookupOrigNameCache` which captures the
  same range provided that the OrigNameCache has been initialized with
  `knownKeyNames` (which is the case by default).
  
  (fixes #26238)
  

• 6a43f8ec
  by Cheng Shao at 2025-08-21T17:52:52-04:00

  compiler: fix closure C type in SPT init code
  
  This patch fixes the closure C type in SPT init code to StgClosure,
  instead of the previously incorrect StgPtr. Having an incorrect C type
  makes SPT init code not compatible with other foreign stub generation
  logic, which may also emit their own extern declarations for the same
  closure symbols and thus will clash with the incorrect prototypes in
  SPT init code.
  

• 5b5d9d47
  by Ben Gamari at 2025-08-25T14:29:35-04:00

  Revert "STM: don't create a transaction in the rhs of catchRetry# (#26028)"
  
  This reverts commit 0a5836891ca29836a24c306d2a364c2e4b5377fd

• 10f06163
  by Cheng Shao at 2025-08-25T14:30:16-04:00

  wasm: ensure setKeepCAFs() is called in ghci
  
  This patch is a critical bugfix for #26106, see comment and linked
  issue for details.
  

• bedc1004
  by Cheng Shao at 2025-08-26T09:31:18-04:00

  compiler: use zero cost coerce in hoopl setElems/mapToList
  
  This patch is a follow-up of !14680 and changes setElems/mapToList in
  GHC/Cmm/Dataflow/Label to use coerce instead of mapping mkHooplLabel
  over the keys.
  

• 13250d97
  by Ryan Scott at 2025-08-26T09:31:59-04:00

  Reject infix promoted data constructors without DataKinds
  
  In the rename, make sure to apply the same `DataKinds` checks for both
  `HsTyVar` (for prefix promoted data constructors) and `HsOpTy` (for infix
  promoted data constructors) alike.
  
  Fixes #26318.
  

• 37655c46
  by Teo Camarasu at 2025-08-26T15:24:51-04:00

  tests: disable T22859 under LLVM
  
  This test was failing under the LLVM backend since the allocations
  differ from the NCG.
  
  Resolves #26282
  

• 2cbba9d6
  by Teo Camarasu at 2025-08-26T15:25:33-04:00

  base-exports: update version numbers
  
  As the version of the compiler has been bumped, a lot of the embedded
  version numbers will need to be updated if we ever run this test with
  `--test-accept` so let's just update them now, and keep future diffs
  clean.
  

• f9f2ffcf
  by Alexandre Esteves at 2025-08-27T07:19:14-04:00

  Import new name for 'utimbuf' on windows to fix #26337
  
  Fixes an `-Wincompatible-pointer-types` instance that turns into an error on
  recent toolchains and surfaced as such on nixpkgs when doing linux->ucrt cross.
  
  This long-standing warning has been present at least since 9.4:
  
  ```
  C:\GitLabRunner\builds\0\1709189\tmp\ghc16652_0\ghc_4.c:26:115: error:
       warning: incompatible pointer types passing 'struct utimbuf *' to parameter of type 'struct _utimbuf *' [-Wincompatible-pointer-types]
     |
  26 | HsInt32 ghczuwrapperZC9ZCbaseZCSystemziPosixziInternalsZCzuutime(char* a1, struct utimbuf* a2) {return _utime(a1, a2);}
  
     |                                                                                                                   ^
  HsInt32 ghczuwrapperZC9ZCbaseZCSystemziPosixziInternalsZCzuutime(char* a1, struct utimbuf* a2) {return _utime(a1, a2);}
                                                                                                                    ^~
  
  C:\GitLabRunner\builds\0\1709189\_build\stage0\lib\..\..\mingw\x86_64-w64-mingw32\include\sys\utime.h:109:72: error:
       note: passing argument to parameter '_Utimbuf' here
      |
  109 | __CRT_INLINE int __cdecl _utime(const char *_Filename,struct _utimbuf *_Utimbuf) {
      |                                                                        ^
  __CRT_INLINE int __cdecl _utime(const char *_Filename,struct _utimbuf *_Utimbuf) {
  ```
  

• ae89f000
  by Hassan Al-Awwadi at 2025-08-27T07:19:56-04:00

  Adds the fucnction addDependentDirectory to Q, resolving issue #26148.
  
  This function adds a new directory to the list of things a module depends upon. That means that when the contents of the directory change, the recompilation checker will notice this and the module will be recompiled. Documentation has also been added for addDependentFunction and addDependentDirectory in the user guide.
  

• 00478944
  by Simon Peyton Jones at 2025-08-27T16:48:30+01:00

  Comments only
  

• a7884589
  by Simon Peyton Jones at 2025-08-28T11:08:23+01:00

  Type-family occurs check in unification
  
  The occurs check in `GHC.Core.Unify.uVarOrFam` was inadequate in dealing
  with type families.
  
  Better now.  See Note [The occurs check in the Core unifier].
  
  As I did this I realised that the whole apartness thing is trickier than I
  thought: see the new Note [Shortcomings of the apartness test]
  

• 8adfc222
  by sheaf at 2025-08-28T19:47:17-04:00

  Fix orientation in HsWrapper composition (<.>)
  
  This commit fixes the order in which WpCast HsWrappers are composed,
  fixing a bug introduced in commit 56b32c5a2d5d7cad89a12f4d74dc940e086069d1.
  
  Fixes #26350
  

• eb2ab1e2
  by Oleg Grenrus at 2025-08-29T11:00:53-04:00

  Generalise thNameToGhcName by adding HasHscEnv
  
  There were multiple single monad-specific `getHscEnv` across codebase.
  HasHscEnv is modelled on HasDynFlags.
  
  My first idea was to simply add thNameToGhcNameHsc and
  thNameToGhcNameTc, but those would been exactly the same
  as thNameToGhcName already.
  
  Also add an usage example to thNameToGhcName and mention that it's
  recommended way of looking up names in GHC plugins
  

• 2d575a7f
  by fendor at 2025-08-29T11:01:36-04:00

  configure: Bump minimal bootstrap GHC version to 9.10
  

• 716274a5
  by Simon Peyton Jones at 2025-08-29T17:27:12-04:00

  Fix deep subsumption again
  
  This commit fixed #26255:
  
      commit 56b32c5a2d5d7cad89a12f4d74dc940e086069d1
      Author: sheaf <sam.derbyshire@gmail.com>
      Date:   Mon Aug 11 15:50:47 2025 +0200
  
          Improve deep subsumption
  
          This commit improves the DeepSubsumption sub-typing implementation
          in GHC.Tc.Utils.Unify.tc_sub_type_deep by being less eager to fall back
          to unification.
  
  But alas it still wasn't quite right for view patterns: #26331
  
  This MR does a generalisation to fix it.  A bit of a sledgehammer to crack
  a nut, but nice.
  
  * Add a field `ir_inst :: InferInstFlag` to `InferResult`, where
    ```
    data InferInstFlag = IIF_Sigma | IIF_ShallowRho | IIF_DeepRho
    ```
  
  * The flag says exactly how much `fillInferResult` should instantiate
    before filling the hole.
  
  * We can also use this to replace the previous very ad-hoc `tcInferSigma`
    that was used to implement GHCi's `:type` command.
  

• 27206c5e
  by sheaf at 2025-08-29T17:28:14-04:00

  Back-compat for TH SpecialiseP data-con of Pragma
  
  This commit improves the backwards-compatibility story for the
  SpecialiseP constructor of the Template Haskell 'Pragma' datatype.
  
  Instead of keeping the constructor but deprecating it, this commit makes
  it into a bundled pattern synonym of the Pragma datatype. We no longer
  deprecate it; it's useful for handling old-form specialise pragmas.
  

• 26dbcf61
  by fendor at 2025-08-30T05:10:08-04:00

  Move stack decoding logic from ghc-heap to ghc-internal
  
  The stack decoding logic in `ghc-heap` is more sophisticated than the one
  currently employed in `CloneStack`. We want to use the stack decoding
  implementation from `ghc-heap` in `base`.
  We cannot simply depend on `ghc-heap` in `base` due do bootstrapping
  issues.
  Thus, we move the code that is necessary to implement stack decoding to
  `ghc-internal`. This is the right location, as we don't want to add a
  new API to `base`.
  
  Moving the stack decoding logic and re-exposing it in ghc-heap is
  insufficient, though, as we have a dependency cycle between.
  
  * ghc-heap depends on stage1:ghc-internal
  * stage0:ghc depends on stage0:ghc-heap
  
  To fix this, we remove ghc-heap from the set of `stage0` dependencies.
  
  This is not entirely straight-forward, as a couple of boot dependencies,
  such as `ghci` depend on `ghc-heap`.
  Luckily, the boot compiler of GHC is now >=9.10, so we can migrate `ghci`
  to use `ghc-internal` instead of `ghc-heap`, which already exports the
  relevant modules.
  
  However, we cannot 100% remove ghc's dependency on `ghc-heap`, since
  when we compile `stage0:ghc`, `stage1:ghc-internal` is not yet
  available.
  Thus, when we compile with the boot-compiler, we still depend on an
  older version of `ghc-heap`, and only use the modules from `ghc-internal`,
  if the `ghc-internal` version is recent enough.
  
  -------------------------
  Metric Increase:
      T24602_perf_size
      T25046_perf_size_gzip
      T25046_perf_size_unicode
      T25046_perf_size_unicode_gzip
      size_hello_artifact
      size_hello_artifact_gzip
      size_hello_unicode
      size_hello_unicode_gzip
  -------------------------
  
  These metric increases are unfortunate, they are most likely caused by
  the larger (literally in terms of lines of code) stack decoder implementation
  that are now linked into hello-word binaries.
  
  On linux, it is almost a 10% increase, which is considerable.
  

• bd80bb70
  by fendor at 2025-08-30T05:10:08-04:00

  Implement `decode` in terms of `decodeStackWithIpe`
  
  Uses the more efficient stack decoder implementation.
  

• 24441165
  by fendor at 2025-08-30T05:10:08-04:00

  Remove stg_decodeStackzh
  

• fb9cc882
  by Simon Peyton Jones at 2025-08-30T05:10:51-04:00

  Fix a long standing bug in the coercion optimiser
  
  We were mis-optimising ForAllCo, leading to #26345
  
  Part of the poblem was the tricky tower of abstractions leading to
  the dreadful
     GHC.Core.TyCo.Subst.substForAllCoTyVarBndrUsing
  This function was serving two masters: regular substitution, but also
  coercion optimsation.  So tricky was it that it did so wrong.
  
  In this MR I locate all the fancy footwork for coercion optimisation
  in GHC.Core.Coercion.Opt, where it belongs.   That leaves substitution
  free to be much simpler.
  

• 6c78de2d
  by Sylvain Henry at 2025-09-01T08:46:19-04:00

  Driver: substitute virtual Prim module in --make mode too
  
  When we build ghc-internal with --make (e.g. with cabal-install), we
  need to be careful to substitute the virtual interface file for
  GHC.Internal.Prim:
  - after code generation (we generate code for an empty module, so we get
    an empty interface)
  - when we try to reload its .hi file
  

• 26e0db16
  by fendor at 2025-09-01T08:47:01-04:00

  Expose Stack Annotation frames in IPE backtraces by default
  
  When decoding the Haskell-native call stack and displaying the IPE information
  for the stack frames, we print the `StackAnnotation` of the `AnnFrame` by default.
  
  This means, when an exception is thrown, any intermediate stack annotations will
  be displayed in the `IPE Backtrace`.
  
  Example backtrace:
  ```
  Exception: ghc-internal:GHC.Internal.Exception.ErrorCall:
  
  Oh no!
  
  IPE backtrace:
    annotateCallStackIO, called at app/Main.hs:48:10 in backtrace-0.1.0.0-inplace-server:Main
    annotateCallStackIO, called at app/Main.hs:46:13 in backtrace-0.1.0.0-inplace-server:Main
    Main.handler (app/Main.hs:(46,1)-(49,30))
    Main.liftIO (src/Servant/Server/Internal/Handler.hs:30:36-42)
    Servant.Server.Internal.Delayed.runHandler' (src/Servant/Server/Internal/Handler.hs:27:31-41)
    Control.Monad.Trans.Resource.runResourceT (./Control/Monad/Trans/Resource.hs:(192,14)-(197,18))
    Network.Wai.Handler.Warp.HTTP1.processRequest (./Network/Wai/Handler/Warp/HTTP1.hs:195:20-22)
    Network.Wai.Handler.Warp.HTTP1.processRequest (./Network/Wai/Handler/Warp/HTTP1.hs:(195,5)-(203,31))
    Network.Wai.Handler.Warp.HTTP1.http1server.loop (./Network/Wai/Handler/Warp/HTTP1.hs:(141,9)-(157,42))
  HasCallStack backtrace:
    error, called at app/Main.hs:48:32 in backtrace-0.1.0.0-inplace-server:Main
  ```
  
  The first two entries have been added by `annotateCallStackIO`, defined in `annotateCallStackIO`.
  

• a1567efd
  by Sylvain Henry at 2025-09-01T23:01:35-04:00

  RTS: rely less on Hadrian for flag setting (#25843)
  
  Hadrian used to pass -Dfoo command-line flags directly to build the rts.
  We can replace most of these flags with CPP based on cabal flags.
  It makes building boot libraries with cabal-install simpler (cf #25843).
  

• ca5b0283
  by Sergey Vinokurov at 2025-09-01T23:02:23-04:00

  Remove unnecessary irrefutable patterns from Bifunctor instances for tuples
  
  Implementation of https://github.com/haskell/core-libraries-committee/issues/339
  
  Metric Decrease:
      mhu-perf
  

• 2da84b7a
  by sheaf at 2025-09-01T23:03:23-04:00

  Only use active rules when simplifying rule RHSs
  
  When we are simplifying the RHS of a rule, we make sure to only apply
  rewrites from rules that are active throughout the original rule's
  range of active phases.
  
  For example, if a rule is always active, we only fire rules that are
  themselves always active when simplifying the RHS. Ditto for inline
  activations.
  
  This is achieved by setting the simplifier phase to a range of phases,
  using the new SimplPhaseRange constructor. Then:
  
    1. When simplifying the RHS of a rule, or of a stable unfolding,
       we set the simplifier phase to a range of phases, computed from
       the activation of the RULE/unfolding activation, using the
       function 'phaseFromActivation'.
  
       The details are explained in Note [What is active in the RHS of a RULE?]
       in GHC.Core.Opt.Simplify.Utils.
  
    2. The activation check for other rules and inlinings is then:
       does the activation of the other rule/inlining cover the whole
       phase range set in sm_phase? This continues to use the 'isActive'
       function, which now accounts for phase ranges.
  
  On the way, this commit also moves the exact-print SourceText annotation
  from the Activation datatype to the ActivationAnn type. This keeps the
  main Activation datatype free of any extra cruft.
  
  Fixes #26323
  

• 79816cc4
  by Rodrigo Mesquita at 2025-09-02T12:19:59-04:00

  cleanup: Move dehydrateCgBreakInfo to Stg2Bc
  
  This no longer has anything to do with Core.
  

• 53da94ff
  by Rodrigo Mesquita at 2025-09-02T12:19:59-04:00

  rts/Disassembler: Fix spacing of BRK_FUN
  

• 08c0cf85
  by Rodrigo Mesquita at 2025-09-02T12:19:59-04:00

  debugger: Fix bciPtr in Step-out
  
  We need to use `BCO_NEXT` to move bciPtr to ix=1, because ix=0 points to
  the instruction itself!
  
  I do not understand how this didn't crash before.
  

• e7e021fa
  by Rodrigo Mesquita at 2025-09-02T12:19:59-04:00

  debugger: Allow BRK_FUNs to head case continuation BCOs
  
  When we start executing a BCO, we may want to yield to the scheduler:
  this may be triggered by a heap/stack check, context switch, or a
  breakpoint. To yield, we need to put the stack in a state such that
  when execution is resumed we are back to where we yielded from.
  
  Previously, a BKR_FUN could only head a function BCO because we only
  knew how to construct a valid stack for yielding from one -- simply add
  `apply_interp_info` + the BCO to resume executing. This is valid because
  the stack at the start of run_BCO is headed by that BCO's arguments.
  
  However, in case continuation BCOs (as per Note [Case continuation BCOs]),
  we couldn't easily reconstruct a valid stack that could be resumed
  because we dropped too soon the stack frames regarding the value
  returned (stg_ret) and received (stg_ctoi) by that continuation.
  This is especially tricky because of the variable type and size return
  frames (e.g. pointer ret_p/ctoi_R1p vs a tuple ret_t/ctoi_t2).
  
  The trick to being able to yield from a BRK_FUN at the start of a case
  cont BCO is to stop removing the ret frame headers eagerly and instead
  keep them until the BCO starts executing. The new layout at the start of
  a case cont. BCO is described by the new Note [Stack layout when entering run_BCO].
  
  Now, we keep the ret_* and ctoi_* frames when entering run_BCO.
  A BRK_FUN is then executed if found, and the stack is yielded as-is with
  the preserved ret and ctoi frames.
  Then, a case cont BCO's instructions always SLIDE off the headers of the
  ret and ctoi frames, in StgToByteCode.doCase, turning a stack like
  
     |     ....      |
     +---------------+
     |     fv2       |
     +---------------+
     |     fv1       |
     +---------------+
     |     BCO       |
     +---------------+
     | stg_ctoi_ret_ |
     +---------------+
     |    retval     |
     +---------------+
     | stg_ret_..... |
     +---------------+
  
  into
  
     |     ....      |
     +---------------+
     |     fv2       |
     +---------------+
     |     fv1       |
     +---------------+
     |    retval     |
     +---------------+
  
  for the remainder of the BCO.
  
  Moreover, this more uniform approach of keeping the ret and ctoi frames
  means we need less ad-hoc logic concerning the variable size of
  ret_tuple vs ret_p/np frames in the code generator and interpreter:
  Always keep the return to cont. stack intact at the start of run_BCO,
  and the statically generated instructions will take care of adjusting
  it.
  
  Unlocks BRK_FUNs at the start of case cont. BCOs which will enable a
  better user-facing step-out (#26042) which is free of the bugs the
  current BRK_ALTS implementation suffers from (namely, using BRK_FUN
  rather than BRK_ALTS in a case cont. means we'll never accidentally end
  up in a breakpoint "deeper" than the continuation, because we stop at
  the case cont itself rather than on the first breakpoint we evaluate
  after it).
  

• ade3c1e6
  by Rodrigo Mesquita at 2025-09-02T12:19:59-04:00

  BRK_FUN with InternalBreakLocs for code-generation time breakpoints
  
  At the start of a case continuation BCO, place a BRK_FUN.
  This BRK_FUN uses the new "internal breakpoint location" -- allowing us
  to come up with a valid source location for this breakpoint that is not associated with a source-level tick.
  
  For case continuation BCOs, we use the last tick seen before it as the
  source location. The reasoning is described in Note [Debugger: Stepout internal break locs].
  
  Note how T26042c, which was broken because it displayed the incorrect
  behavior of the previous step out when we'd end up at a deeper level
  than the one from which we initiated step-out, is now fixed.
  
  As of this commit, BRK_ALTS is now dead code and is thus dropped.
  
  Note [Debugger: Stepout internal break locs]
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  Step-out tells the interpreter to run until the current function
  returns to where it was called from, and stop there.
  
  This is achieved by enabling the BRK_FUN found on the first RET_BCO
  frame on the stack (See [Note Debugger: Step-out]).
  
  Case continuation BCOs (which select an alternative branch) must
  therefore be headed by a BRK_FUN. An example:
  
      f x = case g x of <--- end up here
          1 -> ...
          2 -> ...
  
      g y = ... <--- step out from here
  
  - `g` will return a value to the case continuation BCO in `f`
  - The case continuation BCO will receive the value returned from g
  - Match on it and push the alternative continuation for that branch
  - And then enter that alternative.
  
  If we step-out of `g`, the first RET_BCO on the stack is the case
  continuation of `f` -- execution should stop at its start, before
  selecting an alternative. (One might ask, "why not enable the breakpoint
  in the alternative instead?", because the alternative continuation is
  only pushed to the stack *after* it is selected by the case cont. BCO)
  
  However, the case cont. BCO is not associated with any source-level
  tick, it is merely the glue code which selects alternatives which do
  have source level ticks. Therefore, we have to come up at code
  generation time with a breakpoint location ('InternalBreakLoc') to
  display to the user when it is stopped there.
  
  Our solution is to use the last tick seen just before reaching the case
  continuation. This is robust because a case continuation will thus
  always have a relevant breakpoint location:
  
      - The source location will be the last source-relevant expression
        executed before the continuation is pushed
  
      - So the source location will point to the thing you've just stepped
        out of
  
      - Doing :step-local from there will put you on the selected
        alternative (which at the source level may also be the e.g. next
        line in a do-block)
  
  Examples, using angle brackets (<<...>>) to denote the breakpoint span:
  
      f x = case <<g x>> {- step in here -} of
          1 -> ...
          2 -> ...>
  
      g y = <<...>> <--- step out from here
  
      ...
  
      f x = <<case g x of <--- end up here, whole case highlighted
          1 -> ...
          2 -> ...>>
  
      doing :step-local ...
  
      f x = case g x of
          1 -> <<...>> <--- stop in the alternative
          2 -> ...
  
  A second example based on T26042d2, where the source is a do-block IO
  action, optimised to a chain of `case expressions`.
  
      main = do
        putStrLn "hello1"
        <<f>> <--- step-in here
        putStrLn "hello3"
        putStrLn "hello4"
  
      f = do
        <<putStrLn "hello2.1">> <--- step-out from here
        putStrLn "hello2.2"
  
      ...
  
      main = do
        putStrLn "hello1"
        <<f>> <--- end up here again, the previously executed expression
        putStrLn "hello3"
        putStrLn "hello4"
  
      doing step/step-local ...
  
      main = do
        putStrLn "hello1"
        f
        <<putStrLn "hello3">> <--- straight to the next line
        putStrLn "hello4"
  
  Finishes #26042
  

• c66910c0
  by Rodrigo Mesquita at 2025-09-02T12:19:59-04:00

  debugger: Re-use the last BreakpointId whole in step-out
  
  Previously, to come up with a location to stop at for `:stepout`, we
  would store the location of the last BreakpointId surrounding the
  continuation, as described by Note [Debugger: Stepout internal break locs].
  
  However, re-using just the location from the last source breakpoint
  isn't sufficient to provide the necessary information in the break
  location. Specifically, it wouldn't bind any variables at that location.
  
  Really, there is no reason not to re-use the last breakpoint wholesale,
  and re-use all the information we had there. Step-out should behave just
  as if we had stopped at the call, but s.t. continuing will not
  re-execute the call.
  
  This commit updates the CgBreakInfo to always store a BreakpointId, be
  it the original one or the one we're emulating (for step-out).
  
  It makes variable bindings on :stepout work
  

• e4abed7b
  by sheaf at 2025-09-02T12:20:40-04:00

  Revert accidental changes to hie.yaml

• 003b715b
  by meooow25 at 2025-09-02T23:48:51+02:00

  Adjust the strictness of Data.List.iterate'
  
  * Don't force the next element in advance when generating a (:).
  * Force the first element to WHNF like every other element.
  
  Now every element in the output list is forced to WHNF when the (:)
  containing it is forced.
  
  CLC proposal:
  https://github.com/haskell/core-libraries-committee/issues/335
  

• b2f6aad0
  by Simon Hengel at 2025-09-03T04:36:10-04:00

  Refactoring: More consistently use logOutput, logInfo, fatalErrorMsg
  

• 60a16db7
  by Rodrigo Mesquita at 2025-09-03T10:55:50+01:00

  bytecode: Don't PUSH_L 0; SLIDE 1 1
  
  While looking through bytecode I noticed a quite common unfortunate
  pattern:
  
  ...
  PUSH_L 0
  SLIDE 1 1
  
  We do this often by generically constructing a tail call from a function
  atom that may be somewhere arbitrary on the stack.
  However, for the special case that the function can be found directly on
  top of the stack, as part of the arguments, it's plain redundant to push
  then slide it.
  
  In this commit we add a small optimisation to the generation of
  tailcalls in bytecode. Simply: lookahead for the function in the stack.
  If it is the first thing on the stack and it is part of the arguments
  which would be dropped as we entered the tail call, then don't push then
  slide it.
  
  In a simple example (T26042b), this already produced a drastic
  improvement in generated code (left is old, right is with this patch):
  
  ```diff
  3c3
  < 2025-07-29 10:14:02.081277 UTC
  ---
  > 2025-07-29 10:50:36.560949 UTC
  160,161c160
  <                                            PUSH_L   0
  <                                            SLIDE    1 2
  ---
  >                                            SLIDE    1 1
  164,165d162
  <                                       PUSH_L   0
  <                                       SLIDE    1 1
  175,176c172
  <                             PUSH_L   0
  <                             SLIDE    1 2
  ---
  >                             SLIDE    1 1
  179,180d174
  <                        PUSH_L   0
  <                        SLIDE    1 1
  206,207d199
  <                        PUSH_L   0
  <                        SLIDE    1 1
  210,211d201
  <                   PUSH_L   0
  <                   SLIDE    1 1
  214,215d203
  <              PUSH_L   0
  <              SLIDE    1 1
  218,219d205
  <         PUSH_L   0
  <         SLIDE    1 1
  222,223d207
  <    PUSH_L   0
  <    SLIDE    1 1
  ...
  600,601c566
  <                                                 PUSH_L   0
  <                                                 SLIDE    1 2
  ---
  >                                                 SLIDE    1 1
  604,605d568
  <                                            PUSH_L   0
  <                                            SLIDE    1 1
  632,633d594
  <                                            PUSH_L   0
  <                                            SLIDE    1 1
  636,637d596
  <                                       PUSH_L   0
  <                                       SLIDE    1 1
  640,641d598
  <                                  PUSH_L   0
  <                                  SLIDE    1 1
  644,645d600
  <                             PUSH_L   0
  <                             SLIDE    1 1
  648,649d602
  <                        PUSH_L   0
  <                        SLIDE    1 1
  652,653d604
  <                   PUSH_L   0
  <                   SLIDE    1 1
  656,657d606
  <              PUSH_L   0
  <              SLIDE    1 1
  660,661d608
  <         PUSH_L   0
  <         SLIDE    1 1
  664,665d610
  <    PUSH_L   0
  <    SLIDE    1 1
  ```
  
  I also compiled lib:Cabal to bytecode and counted the number of bytecode
  lines with `find dist-newstyle -name "*.dump-BCOs" -exec wc {} +`:
  
      with unoptimized core:
      1190689 lines (before) - 1172891 lines (now)
      = 17798 less redundant instructions (-1.5% lines)
  
      with optimized core:
      1924818 lines (before) - 1864836 lines (now)
      = 59982 less redundant instructions (-3.1% lines)
  

• 8b2c72c0
  by L0neGamer at 2025-09-04T06:32:03-04:00

  Add Control.Monad.thenM and Control.Applicative.thenA
  

• 39e1b7cb
  by Teo Camarasu at 2025-09-04T06:32:46-04:00

  ghc-internal: invert dependency of GHC.Internal.TH.Syntax on Data.Data
  
  This means that Data.Data no longer blocks building TH.Syntax, which
  allows greater parallelism in our builds.
  
  We move the Data.Data.Data instances to Data.Data. Quasi depends on
  Data.Data for one of its methods, so,
  we split the Quasi/Q, etc definition out of GHC.Internal.TH.Syntax
  into its own module. This has the added benefit of splitting up this
  quite large module.
  
  Previously TH.Syntax was a bottleneck when compiling ghc-internal. Now
  it is less of a bottle-neck and is also slightly quicker to
  compile (since it no longer contains these instances) at the cost of
  making Data.Data slightly more expensive to compile.
  TH.Lift which depends on TH.Syntax can also compile quicker and no
  longer blocks ghc-internal finishing to compile.
  
  Resolves #26217
  
  -------------------------
  Metric Decrease:
      MultiLayerModulesTH_OneShot
      T13253
      T21839c
      T24471
  Metric Increase:
      T12227
  -------------------------
  

• bdf82fd2
  by Teo Camarasu at 2025-09-04T06:32:46-04:00

  compiler: delete unused names in Builtins.Names.TH
  
  returnQ and bindQ are no longer used in the compiler.
  There was also a very old comment that referred to them that I have modernized
  

• 41a448e5
  by Ben Gamari at 2025-09-04T19:21:43-04:00

  hadrian: Pass lib & include directories to ghc `Setup configure`
  

• 46bb9a79
  by Ben Gamari at 2025-09-04T19:21:44-04:00

  rts/IPE: Fix compilation when zstd is enabled
  
  This was broken by the refactoring undertaken in
  c80dd91c0bf6ac034f0c592f16c548b9408a8481.
  
  Closes #26312.
  

• 138a6e34
  by sheaf at 2025-09-04T19:22:46-04:00

  Make mkCast assertion a bit clearer
  
  This commit changes the assertion message that gets printed when one
  calls mkCast with a coercion whose kind does not match the type of the
  inner expression. I always found the assertion message a bit confusing,
  as it didn't clearly state what exactly was the error.
  

• 9d626be1
  by sheaf at 2025-09-04T19:22:46-04:00

  Simplifier/rules: fix mistakes in Notes & comments
  

• 94b62aa7
  by Simon Peyton Jones at 2025-09-08T03:37:14-04:00

  Refactor ForAllCo
  
  This is a pure refactor, addressing #26389.
  
  It arranges that the kind coercion in a ForAllCo is a MCoercion, rather
  than a plain Coercion, thus removing redundancy in the common case.
  See (FC8) in Note [ForAllCo]
  
  It's a nice cleanup.
  

• 624afa4a
  by sheaf at 2025-09-08T03:38:05-04:00

  Use tcMkScaledFunTys in matchExpectedFunTys
  
  We should use tcMkScaledFunTys rather than mkScaledFunTys in
  GHC.Tc.Utils.Unify.matchExpectedFunTys, as the latter crashes
  when the kind of the result type is a bare metavariable.
  We know the result is always Type-like, so we don't need scaledFunTys
  to try to rediscover that from the kind.
  
  Fixes #26277
  

• 0975d2b6
  by sheaf at 2025-09-08T03:38:54-04:00

  Revert "Remove hptAllFamInstances usage during upsweep"
  
  This reverts commit 3bf6720eff5e86e673568e756161e6d6150eb440.
  

• 0cf34176
  by soulomoon at 2025-09-08T03:38:54-04:00

  Family consistency checks: add test for #26154
  
  This commit adds the test T26154, to make sure that GHC doesn't crash
  when performing type family consistency checks. This test case
  was extracted from Agda.
  
  Fixes #26154
  

• ba210d98
  by Simon Peyton Jones at 2025-09-08T16:26:36+01:00

  Report solid equality errors before custom errors
  
  This MR fixes #26255 by
  
  * Reporting solid equality errors like
       Int ~ Bool
    before "custom type errors".  See comments in `report1` in
    `reportWanteds`
  
  * Suppressing errors that arise from superclasses of
    Wanteds.  See (SCE1) in Note [Suppressing confusing errors]
  
  More details in #26255.
  

• b6249140
  by Simon Peyton Jones at 2025-09-10T10:42:38-04:00

  Fix a scoping error in Specialise
  
  This small patch fixes #26329, which triggered a scoping error.
  
  Test is in T21391, with -fpolymorphic-specialisation enabled
  

• 45305ab8
  by sheaf at 2025-09-10T10:43:29-04:00

  Make rationalTo{Float,Double} inline in phase 0
  
  We hold off on inlining these until phase 0 to allow constant-folding
  rules to fire. However, once we get to phase 0, we should inline them,
  e.g. to expose unboxing opportunities.
  
  See CLC proposal #356.
  

• 0959d4bc
  by Andreas Klebinger at 2025-09-10T10:44:12-04:00

  Add regression test for #26056
  

• dc79593d
  by sheaf at 2025-09-10T10:45:01-04:00

  Deep subsumption: unify mults without tcEqMult
  
  As seen in #26332, we may well end up with a non-reflexive multiplicity
  coercion when doing deep subsumption. We should do the same thing that
  we do without deep subsumption: unify the multiplicities normally,
  without requiring that the coercion is reflexive (which is what
  'tcEqMult' was doing).
  
  Fixes #26332
  

• 4bfe2269
  by sheaf at 2025-09-10T10:45:50-04:00

  lint-codes: fixup MSYS drive letter on Windows
  
  This change ensures that System.Directory.listDirectory doesn't trip up
  on an MSYS-style path like '/c/Foo' when trying to list all testsuite
  stdout/stderr files as required for testing coverage of GHC diagnostic
  codes in the testsuite.
  
  Fixes #25178
  

• 56540775
  by Ben Gamari at 2025-09-10T10:46:32-04:00

  gitlab-ci: Disable split sections on FreeBSD
  
  Due to #26303.
  

• 1537784b
  by Moritz Angermann at 2025-09-10T10:47:13-04:00

  Improve mach-o relocation information
  
  This change adds more information about the symbol and addresses
  we try to relocate in the linker.  This significantly helps when
  deubbging relocation issues reported by users.
  

• 4e67855b
  by Moritz Angermann at 2025-09-10T10:47:54-04:00

  test.mk expect GhcLeadingUnderscore, not LeadingUnderscore (in line with the other Ghc prefixed variables.
  

• c1cdd265
  by Moritz Angermann at 2025-09-10T10:48:35-04:00

  testsuite: Fix broken exec_signals_child.c
  
  There is no signal 0. The signal mask is 1-32.
  

• 99ac335c
  by Moritz Angermann at 2025-09-10T10:49:15-04:00

  testsuite: clarify Windows/Darwin locale rationale for skipping T6037 T2507 T8959a
  

• 0e8fa77a
  by Moritz Angermann at 2025-09-10T10:49:56-04:00

  Skip broken tests on macOS (due to leading underscore not handled properly in the expected output.)
  

• 28570c59
  by Zubin Duggal at 2025-09-10T10:50:37-04:00

  docs(sphinx): fix links to reverse flags when using the :ghc-flag:`-fno-<flag>` syntax
  
  This solution is rather hacky and I suspect there is a better way to do this but I don't know
  enough about Sphinx to do better.
  
  Fixes #26352
  

• d17257ed
  by Cheng Shao at 2025-09-10T17:01:27+02:00

  rel-eng: update alpine images to 3.22
  
  This patch is a part of #25876 and updates alpine images to 3.22,
  while still retaining 3.12 for x86_64 fully_static bindists.
  
  -------------------------
  Metric Decrease:
      MultiComponentModulesRecomp
  -------------------------
  

• db3276bb
  by Sylvain Henry at 2025-09-11T11:27:28-04:00

  T16180: indicate that the stack isn't executable
  

• 11eeeba7
  by Sylvain Henry at 2025-09-11T11:27:28-04:00

  Fix some tests (statically linked GHC vs libc)
  
  When GHC is linked statically, the stdout C global variable that GHC uses
  isn't shared with the stdout C global variable used by loaded code.
  
  As a consequence, the latter must be explicitly flushed because GHC
  won't flush it before exiting.
  

• 80a07571
  by Sylvain Henry at 2025-09-11T11:28:18-04:00

  Testsuite: fix debug_rts detection
  
  Running the testsuite without Hadrian should set config.debug_rts
  correctly too.
  

• 62ae97de
  by Duncan Coutts at 2025-09-12T13:23:33-04:00

  Handle heap allocation failure in I/O primops
  
  The current I/O managers do not use allocateMightFail, but future ones
  will. To support this properly we need to be able to return to the
  primop with a failure. We simply use a bool return value.
  
  Currently however, we will just throw an exception rather than calling
  the GC because that's what all the other primops do too.
  
  For the general issue of primops invoking GC and retrying, see
  https://gitlab.haskell.org/ghc/ghc/-/issues/24105
  

• cb9093f5
  by Duncan Coutts at 2025-09-12T13:23:33-04:00

  Move (and rename) scheduleStartSignalHandlers into RtsSignals.h
  
  Previously it was a local helper (static) function in Schedule.c.
  
  Rename it to startPendingSignalHandlers and deifine it as an inline
  header function in RtsSignals.h. So it should still be fast.
  
  Each (new style) I/O manager is going to need to do the same, so eliminating
  the duplication now makes sense.
  

• 9736d44a
  by Duncan Coutts at 2025-09-12T13:23:33-04:00

  Reduce detail in printThreadBlockage I/O blocking cases
  
  The printThreadBlockage is used in debug tracing output.
  For the cases BlockedOn{Read,Write,Delay} the output previously included
  the fd that was being waited on, and the delay target wake time.
  
  Superficially this sounds useful, but it's clearly not that useful
  because it was already wrong for the Win32 non-threaded I/O manager. In
  that situation it will print garbage (the async_result pointer, cast to
  a fd or a time).
  
  So given that it apparently never mattered that the information was
  accurate, then it's hardly a big jump to say it doesn't matter if it is
  present at all.
  
  A good reason to remove it is that otherwise we have to make a new
  API and a per-I/O manager implementation to fetch the information. And
  for some I/O manager implementations, this information is not available.
  It is not available in the win32 non-threaded I/O manager. And for some
  future Linux ones, there is no need for the fd to be stored, so storing
  it would be just extra space used for very little gain.
  
  So the simplest thing is to just remove the detail.
  

• bc0f2d5d
  by Duncan Coutts at 2025-09-12T13:23:33-04:00

  Add TimeoutQueue.{c,h} and corresponding tests
  
  A data structure used to efficiently manage a collection of timeouts.
  
  It is a priority queue based on absolute expiry time. It uses 64bit
  high-precision Time for the keys. The values are normal closures which
  allows for example using MVars for unblocking.
  
  It is common in many applications for timeouts to be created and then
  deleted or altered before they expire. Thus the choice of data structure
  for timeouts should support this efficiently. The implementation choice
  here is a leftist heap with the extra feature that it supports deleting
  arbitrary elements, provided the caller retain a pointer to the element.
  While the deleteMin operation takes O(log n) time, as in all heap
  structures, the delete operation for arbitrary elements /typically/
  takes O(1), and only O(log n) in the worst case. In practice, when
  managing thousands of timeouts it can be a factor of 10 faster to delete
  a random timeout queue element than to remove the minimum element. This
  supports the common use case.
  
  The plan is to use it in some of the RTS-side I/O managers to support
  their timer functionality. In this use case the heap value will be an
  MVar used for each timeout to unblock waiting threads.
  

• d1679c9d
  by Duncan Coutts at 2025-09-12T13:23:33-04:00

  Add ClosureTable.{c,h} and corresponding tests
  
  A table of pointers to closures on the GC heap with stable indexes.
  
  It provides O(1) alloc, free and lookup. The table can be expanded
  using a simple doubling strategy: in which case allocation is typically
  O(1) and occasionally O(n) for overall amortised O(1). No shrinking is
  used.
  
  The table itself is heap allocated, and points to other heap objects.
  As such it's necessary to use markClosureTable to ensure the table is
  used as a GC root to keep the table entries alive, and maintain proper
  pointers to them as the GC moves heap objects about.
  
  It is designed to be allocated and accesses exclusively from a single
  capability, enabling it to work without any locking. It is thus similar
  to the StablePtr table, but per-capability which removes the need for
  locking. It _should_ also provide lower GC pause times with the
  non-moving GC by spending only O(1) time in markClosureTable, vs O(n)
  for markStablePtrTable.
  
  The plan is to use it in some of the I/O managers to keep track of
  in-flight I/O operations (but not timers). This allows the tracking
  info to be kept on the (unpinned) GC heap, and shared with Haskell
  code, and by putting a pointer to the tracking information in a table,
  the index remains stable and can be passed via foreign code (like the
  kernel).
  

• 78cb8dd5
  by Duncan Coutts at 2025-09-12T13:23:33-04:00

  Add the StgAsyncIOOp closure type
  
  This is intended to be used by multiple I/O managers to help with
  tracking in-flight I/O operations.
  
  It is called asynchronous because from the point of view of the RTS we
  have many such operations in progress at once. From the point of view of
  a Haskell thread of course it can look synchronous.
  

• a2839896
  by Duncan Coutts at 2025-09-12T13:23:33-04:00

  Add StgAsyncIOOp and StgTimeoutQueue to tso->block_info
  
  These will be used by new I/O managers, for threads blocked on I/O or
  timeouts.
  

• fdc2451c
  by Duncan Coutts at 2025-09-12T13:23:33-04:00

  Add a new I/O manager based on poll()
  
  This is a proof of concept I/O manager, to show how to add new ones
  neatly, using the ClosureTable and TimeoutQueue infrastructure.
  
  It uses the old unix poll() API, so it is of course limited in
  performance by that, but it should have the benefit of wide
  compatibility. Also we neatly avoid a name clash with the existing
  select() I/O manager.
  
  Compared to the select() I/O manager:
  1. beause it uses poll() it is not limited to 1024 file descriptors
     (but it's still O(n) so don't expect great performance);
  2. it should have much faster threadDelay (when using it in lots of
     threads at once) because it's based on the new TimeoutQueue which is
     O(log n) rather than O(n).
  
  Some of the code related to timers/timouts is put into a shared module
  rts/posix/Timeout.{h,c} since it is intended to be shared with other
  similar I/O managers.
  

• 6c273b76
  by Duncan Coutts at 2025-09-12T13:23:34-04:00

  Document the I/O managers in the user guide
  
  and note the new poll I/O manager in the release notes.
  

• 824fab74
  by Duncan Coutts at 2025-09-12T13:23:34-04:00

  Use the poll() I/O manager by default
  
  That is, for the non-threaded RTS, prefer the poll I/O manager over the
  legacy select() one, if both can be enabled.
  
  This patch is primarily for CI testing, so we should probably remove
  this patch before merging. We can change defaults later after wider
  testing and feedback.
  

• 39392532
  by Luite Stegeman at 2025-09-12T13:24:16-04:00

  Support larger unboxed sums
  
  Change known constructor encoding for sums in interfaces to use
  11 bits for both the arity and the alternative (up from 8 and 6,
  respectively)
  

• 2af12e21
  by Luite Stegeman at 2025-09-12T13:24:16-04:00

  Decompose padding smallest-first in Cmm toplevel data constructors
  
  This makes each individual padding value aligned
  

• 418fa78f
  by Luite Stegeman at 2025-09-12T13:24:16-04:00

  Use slots smaller than word as tag for smaller unboxed sums
  
  This packs unboxed sums more efficiently by allowing
  Word8, Word16 and Word32 for the tag field if the number of
  constructors is small enough
  

• 8d7e912f
  by Rodrigo Mesquita at 2025-09-12T17:57:24-04:00

  ghc-toolchain: Use ByteOrder rather than new Endianness
  
  Don't introduce a duplicate datatype when the previous one is equivalent
  and already used elsewhere. This avoids unnecessary translation between
  the two.
  

• 7d378476
  by Rodrigo Mesquita at 2025-09-12T17:57:24-04:00

  Read Toolchain.Target files rather than 'settings'
  
  This commit makes GHC read `lib/targets/default.target`, a file with a
  serialized value of `ghc-toolchain`'s `GHC.Toolchain.Target`.
  
  Moreover, it removes all the now-redundant entries from `lib/settings`
  that are configured as part of a `Target` but were being written into
  `settings`.
  
  This makes it easier to support multiple targets from the same compiler
  (aka runtime retargetability). `ghc-toolchain` can be re-run many times
  standalone to produce a `Target` description for different targets, and,
  in the future, GHC will be able to pick at runtime amongst different
  `Target` files.
  
  This commit only makes it read the default `Target` configured in-tree
  or configured when installing the bindist.
  
  The remaining bits of `settings` need to be moved to `Target` in follow
  up commits, but ultimately they all should be moved since they are
  per-target relevant.
  
  Fixes #24212
  
  On Windows, the constant overhead of parsing a slightly more complex
  data structure causes some small-allocation tests to wiggle around 1 to
  2 extra MB (1-2% in these cases).
  
  -------------------------
  Metric Increase:
      MultiLayerModulesTH_OneShot
      T10421
      T10547
      T12234
      T12425
      T13035
      T18140
      T18923
      T9198
      TcPlugin_RewritePerf
  -------------------------
  

• e0780a16
  by Rodrigo Mesquita at 2025-09-12T17:57:24-04:00

  ghc-toolchain: Move TgtHasLibm to per-Target file
  
  TargetHasLibm is now part of the per-target configuration
  
  Towards #26227
  

• 8235dd8c
  by Rodrigo Mesquita at 2025-09-12T17:57:24-04:00

  ghc-toolchain: Move UseLibdw to per-Target file
  
  To support DWARF unwinding, the RTS must be built with the -f+libdw flag
  and with the -DUSE_LIBDW macro definition. These flags are passed on
  build by Hadrian when --enable-dwarf-unwinding is specified at configure
  time.
  
  Whether the RTS was built with support for DWARF is a per-target
  property, and as such, it was moved to the per-target
  GHC.Toolchain.Target.Target file.
  
  Additionally, we keep in the target file the include and library paths
  for finding libdw, since libdw should be checked at configure time (be
  it by configure, or ghc-toolchain, that libdw is properly available).
  
  Preserving the user-given include paths for libdw facilitates in the
  future building the RTS on demand for a given target (if we didn't keep
  that user input, we couldn't)
  
  Towards #26227
  

• d5ecf2e8
  by Rodrigo Mesquita at 2025-09-12T17:57:25-04:00

  ghc-toolchain: Make "Support SMP" a query on a Toolchain.Target
  
  "Support SMP" is merely a function of target, so we can represent it as
  such in `ghc-toolchain`.
  
  Hadrian queries the Target using this predicate to determine how to
  build GHC, and GHC queries the Target similarly to report under --info
  whether it "Support SMP"
  
  Towards #26227
  

• e07b031a
  by Rodrigo Mesquita at 2025-09-12T17:57:25-04:00

  ghc-toolchain: Make "tgt rts linker only supports shared libs" function on Target
  
  Just like with "Support SMP", "target RTS linker only supports shared
  libraries" is a predicate on a `Target` so we can just compute it when
  necessary from the given `Target`.
  
  Towards #26227
  

• 14123ee6
  by Simon Peyton Jones at 2025-09-12T17:58:07-04:00

  Solve forall-constraints via an implication, again
  
  In this earlier commit:
  
    commit 953fd8f1dc080f1c56e3a60b4b7157456949be29
    Author: Simon Peyton Jones <simon.peytonjones@gmail.com>
    Date:   Mon Jul 21 10:06:43 2025 +0100
  
    Solve forall-constraints immediately, or not at all
  
  I used a all-or-nothing strategy for quantified constraints
  (aka forall-constraints).  But alas that fell foul of #26315,
  and #26376.
  
  So this MR goes back to solving a quantified constraint by
  turning it into an implication; UNLESS we are simplifying
  constraints from a SPECIALISE pragma, in which case the
  all-or-nothing strategy is great.  See:
  
     Note [Solving a Wanted forall-constraint]
  
  Other stuff in this MR:
  
  * TcSMode becomes a record of flags, rather than an enumeration
    type; much nicer.
  
  * Some fancy footwork to avoid error messages worsening again
    (The above MR made them better; we want to retain that.)
    See `GHC.Tc.Errors.Ppr.pprQCOriginExtra`.
  
  -------------------------
  Metric Decrease:
      T24471
  -------------------------
  

• e6c192e2
  by Simon Peyton Jones at 2025-09-12T17:58:07-04:00

  Add a test case for #26396
  
  ...same bug ast #26315
  

• 8f3d80ff
  by Luite Stegeman at 2025-09-13T08:43:09+02:00

  Use mkVirtHeapOffsets for reconstructing terms in RTTI
  
  This makes mkVirtHeapOffsets the single source of truth for
  finding field offsets in closures.
  

• eb389338
  by Luite Stegeman at 2025-09-13T08:43:09+02:00

  Sort non-pointer fields by size for more efficient packing
  
  This sorts non-pointer fields in mkVirtHeapOffsets, always
  storing the largest field first. The relative order of
  equally sized fields remains unchanged.
  
  This reduces wasted padding/alignment space in closures with
  differently sized fields.
  

• 99b233f4
  by Alison at 2025-09-13T16:51:04-04:00

  ghc-heap: Fix race condition with profiling builds
  
  Apply the same fix from Closures.hs (64fd0fac83) to Heap.hs by adding
  empty imports to make way-dependent dependencies visible to `ghc -M`.
  
  Fixes #15197, #26407
  

• 77deaa7a
  by Cheng Shao at 2025-09-14T21:29:45-04:00

  hadrian: build in-tree gmp with -fvisibility=hidden
  
  When hadrian builds in-tree gmp, it should build the shared objects
  with -fvisibility=hidden. The gmp symbols are only used by bignum
  logic in ghc-internal and shouldn't be exported by the ghc-internal
  shared library. We should always strive to keep shared library symbol
  table lean, which benefits platforms with slow dynamic linker or even
  hard limits about how many symbols can be exported (e.g. macos dyld,
  win32 dll and wasm dyld).
  

• 42a18960
  by Cheng Shao at 2025-09-14T21:30:26-04:00

  Revert "wasm: add brotli compression for ghci browser mode"
  
  This reverts commit 731217ce68a1093b5f9e26a07d5bd2cdade2b352.
  Benchmarks show non-negligible overhead when browser runs on the same
  host, which is the majority of actual use cases.
  

• e6755b9f
  by Cheng Shao at 2025-09-14T21:30:26-04:00

  wasm: remove etag logic in ghci browser mode web server
  
  This commit removes the etag logic in dyld script's ghci browser mode
  web server. It was meant to support caching logic of wasm shared
  libraries, but even if the port is manually specified to make caching
  even relevant, for localhost the extra overhead around etag logic is
  simply not worth it according to benchmarks.
  

• ac5859b9
  by sheaf at 2025-09-16T14:58:38-04:00

  Add 'Outputable Natural' instance
  
  This commit adds an Outputable instance for the Natural natural-number type,
  as well as a "natural :: Natural -> SDoc" function that mirrors the existing
  "integer" function.
  

• d48ebc23
  by Cheng Shao at 2025-09-16T14:59:18-04:00

  autoconf: emit warning instead of error for FIND_PYTHON logic
  
  This patch makes FIND_PYTHON logic emit warning instead of error, so
  when the user doesn't expect to run the testsuite driver (especially
  when installing a bindist), python would not be mandatory. Fixes #26347.
  

• 54b5950e
  by Sylvain Henry at 2025-09-17T04:45:18-04:00

  Print fully qualified unit names in name mismatch
  
  It's more user-friendly to directly print the right thing instead of
  requiring the user to retry with the additional `-dppr-debug` flag.
  

• 403cb665
  by Ben Gamari at 2025-09-17T04:46:00-04:00

  configure: Fix consistency between distrib and source CC check
  
  Previously distrib/configure.ac did not
  include `cc`.
  
  Closes #26394.
  

• 2dcd4cb9
  by Oleg Grenrus at 2025-09-17T04:46:41-04:00

  Use isPrint in showUnique
  
  The comment say
  
  ```
  -- Avoid emitting non-printable characters in pretty uniques. See #25989.
  ```
  
  so let the code do exactly that.
  
  There are tags (at least : and 0 .. 9) which weren't in A .. z range.
  

• e5dd754b
  by Oleg Grenrus at 2025-09-17T04:46:42-04:00

  Shorten in-module links in hyperlinked source
  
  Instead of href="This.Module#ident" to just "#ident"
  

• 63189b2c
  by Oleg Grenrus at 2025-09-17T04:46:42-04:00

  Use showUnique in internalAnchorIdent
  
  Showing the key of Unique as a number is generally not a great idea.
  GHC Unique has a tag in high bits, so the raw number is unnecessarily
  big.
  
  So now we have
  
  ```html
  <a href="#l-rvgK"><span class="hs-identifier hs-var hs-var">bar</span></a>
  ```
  
  instead of
  
  ```html
  <a href="#local-6989586621679015689"><span class="hs-identifier hs-var hs-var">bar</span></a>
  ```
  
  Together with previous changes of shorter intra-module links the effect
  on compressed files is not huge, that is expected as we simply remove
  repetitive contents which pack well.
  
  ```
  12_694_206  Agda-2.9.0-docs-orig.tar.gz
  12_566_065  Agda-2.9.0-docs.tar.gz
  ```
  
  However when unpacked, the difference can be significant,
  e.g. Agda's largest module source got 5% reduction:
  
  ```
  14_230_117  Agda.Syntax.Parser.Parser.html
  13_422_109  Agda.Syntax.Parser.Parser.html
  ```
  
  The whole hyperlinked source code directory got similar reduction
  
  ```
  121M	Agda-2.9.0-docs-orig/src
  114M	Agda-2.9.0-docs/src
  ```
  
  For the reference, sources are about 2/3 of the generated haddocks
  
  ```
  178M	Agda-2.9.0-docs-old
  172M	Agda-2.9.0-docs
  ```
  
  so we get around 3.5% size reduction overall. Not bad for a small local
  changes.
  

• 6f63f57b
  by Stefan Schulze Frielinghaus at 2025-09-17T04:47:22-04:00

  rts: Fix alignment for gen_workspace #26334
  
  After a0fa4941903272c48b050d24e93eec819eff51bd bootstrap is broken on
  s390x and errors out with
  
  rts/sm/GCThread.h:207:5: error:
       error: alignment of array elements is greater than element size
        207 |     gen_workspace gens[];
            |     ^~~~~~~~~~~~~
  
  The alignment constraint is applied via the attribute to the type
  gen_workspace and leaves the underlying type struct gen_workspace_
  untouched.  On Aarch64, x86, and s390x the struct has a size of 128
  bytes.  On Aarch64 and x86 the alignments of 128 and 64 are divisors of
  the size, respectively, which is why the type is a viable member type
  for an array.  However, on s390x, the alignment is 256 and therefore is
  not a divisor of the size and hence cannot be used for arrays.
  
  Basically I see two fixes here.  Either decrease the alignment
  requirement on s390x, or by applying the alignment constraint on the
  struct itself.  The former might affect performance as noted in
  a0fa4941903272c48b050d24e93eec819eff51bd.  The latter introduces padding
  bits whenever necessary in order to ensure that
  sizeof(gen_workspace[N])==N*sizeof(gen_workspace) holds which is done by
  this patch.
  

• 06d25623
  by Cheng Shao at 2025-09-17T19:32:27-04:00

  ghci: add :shell command
  
  This patch adds a new :shell command to ghci which works similarly to
  :!, except it guarantees to run the command via sh -c. On POSIX hosts
  the behavior is identical to :!, but on Windows it uses the msys2
  shell instead of system cmd.exe shell. This is convenient when writing
  simple ghci scripts that run simple POSIX commands, and the behavior
  can be expected to be coherent on both Windows and POSIX.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 186054f7
  by Cheng Shao at 2025-09-17T19:32:27-04:00

  testsuite: remove legacy :shell trick
  
  This commit makes use of the built-in :shell functionality in ghci in
  the test cases, and remove the legacy :shell trick.
  

• 0a3a4aa3
  by Cheng Shao at 2025-09-17T19:32:27-04:00

  docs: document :shell in ghci
  
  This commit documents the :shell command in ghci.
  
  Co-authored-by: Codex <codex@openai.com>
  

• a4ff12bb
  by Cheng Shao at 2025-09-17T19:33:09-04:00

  ghc-internal: fix codepages program
  
  codepages was not properly updated during the base -> ghc-internal
  migration, this commit fixes it.
  

• 7e094def
  by Cheng Shao at 2025-09-17T19:33:09-04:00

  ghc-internal: relax ucd2haskell cabal upper bounds
  
  This commit relaxes ucd2haskell cabal upper bounds to make it runnable
  via ghc 9.12/9.14.
  

• 7077c9f7
  by Cheng Shao at 2025-09-17T19:33:09-04:00

  ghc-internal: update to unicode 17.0.0
  
  This commit updates the generated code in ghc-internal to match
  unicode 17.0.0.
  

• cef8938f
  by sheaf at 2025-09-17T19:34:09-04:00

  Bad record update msg: allow out-of-scope datacons
  
  This commit ensures that, when we encounter an invalid record update
  (because no constructor exists which contains all of the record fields
  mentioned in the record update), we graciously handle the situation in
  which the constructors themselves are not in scope. In that case,
  instead of looking up the constructors in the GlobalRdrEnv, directly
  look up their GREInfo using the lookupGREInfo function.
  
  Fixes #26391
  

• a2d9d7c2
  by sheaf at 2025-09-17T19:34:09-04:00

  Improve Notes about disambiguating record updates
  
  This commit updates the notes [Disambiguating record updates] and
  [Type-directed record disambiguation], in particular adding more
  information about the deprecation status of type-directed disambiguation
  of record updates.
  

• de44e69e
  by sheaf at 2025-09-19T05:16:51-04:00

  Enable TcM plugins in initTc
  
  This commit ensures that we run typechecker plugins and defaulting
  plugins whenever we call initTc.
  
  In particular, this ensures that the pattern-match checker, which calls
  'initTcDsForSolver' which calls 'initTc', runs with typechecker plugins
  enabled. This matters for situations like:
  
    merge :: Vec n a -> Vec n a -> Vec (2 * n) a
    merge Nil Nil = Nil
    merge (a <: as) (b <: bs) = a :< (b <: merge as bs)
  
  in which we need the typechecker plugin to run in order to tell us that
  the Givens would be inconsistent in the additional equation
  
    merge (_ <: _) Nil
  
  and thus that the equation is not needed.
  
  Fixes #26395
  

• 2c378ad2
  by Cheng Shao at 2025-09-19T05:17:33-04:00

  rel-eng: update fedora image to 42
  
  This patch is a part of #25876 and updates fedora image to 42.
  

• 0a9d9ffc
  by Sylvain Henry at 2025-09-19T13:12:14-04:00

  Fix output of T14999 (#23685)
  
  Fix output of T14999 to:
  - take into account the +1 offset to DW_AT_low_pc (see Note [Info Offset])
  - always use Intel's syntax to force consistency: it was reported that
    sometimes GDB prints `jmpq` instead of `jmp` with the AT&T syntax
  

• 1480872a
  by Vladislav Zavialov at 2025-09-19T13:12:54-04:00

  Fix PREP_MAYBE_LIBRARY in prep_target_file.m4
  
  This change fixes a configure error introduced in:
  
    commit 8235dd8c4945db9cb03e3be3c388d729d576ed1e
    ghc-toolchain: Move UseLibdw to per-Target file
  
  Now the build no longer fails with:
  
    acghc-toolchain: Failed to read a valid Target value from hadrian/cfg/default.target
  

• d1d9e39e
  by Ben Gamari at 2025-09-19T18:24:52-04:00

  StgToByteCode: Don't assume that data con workers are nullary
  
  Previously StgToByteCode assumed that all data-con workers were of a
  nullary representation. This is not a valid assumption, as seen
  in #23210, where an unsaturated application of a unary data
  constructor's worker resulted in invalid bytecode. Sadly, I have not yet
  been able to reduce a minimal testcase for this.
  
  Fixes #23210.
  

• 3eeecd50
  by Ben Gamari at 2025-09-19T18:24:53-04:00

  testsuite: Mark T23146* as unbroken
  

• 2e73f342
  by sheaf at 2025-09-19T18:24:53-04:00

  Add test for #26216
  

• c2efb912
  by Sven Tennie at 2025-09-19T18:25:36-04:00

  Generate correct test header
  
  This increases convenience when copying & pasting...
  

• d2fb811e
  by Sven Tennie at 2025-09-19T18:25:36-04:00

  foundation test: Fix shift amount (#26248)
  
  Shift primops' results are only defined for shift amounts of 0 to word
  size - 1. The approach is similar to testing div-like operations (which
  have a constraint regarding zero operands.)
  
  This was partly vibe coded (https://github.com/supersven/ghc/pull/1) but
  then heavily refactored.
  

• a62ce115
  by Andreas Klebinger at 2025-09-19T18:26:18-04:00

  Tweak jspace test
  
  I've given it a longer timeout, and tweaked the test file generation
  to speed it up a bit. Hopefully that is enough to make it constentily pass.
  
  Last but not least it now also always uses three threads.
  

• 0f034942
  by Cheng Shao at 2025-09-19T18:26:59-04:00

  rts: remove obsolete CC_SUPPORTS_TLS logic
  
  This patch removes obsolete CC_SUPPORTS_TLS logic throughout the rts,
  given __thread is now uniformly supported by C toolchains of all
  platforms we currently support.
  

• ef705655
  by Cheng Shao at 2025-09-19T18:27:41-04:00

  rts: remove obsolete HAS_VISIBILITY_HIDDEN logic
  
  This patch removes obsolete HAS_VISIBILITY_HIDDEN logic throughout the
  rts, given __attribute__((visibility("hidden"))) is uniformly
  supported by C toolchains of all platforms we currently support.
  

• 9fdc1f7d
  by Cheng Shao at 2025-09-19T18:28:21-04:00

  rts: remove -O3 pragma hack in Hash.c
  
  This patch removes an obsolete gcc pragma to specify -O3 in Hash.c.
  Hadrian already passes the right flag.
  

• b8cfa8f7
  by Cheng Shao at 2025-09-19T18:29:01-04:00

  rts: remove obsolete COMPILING_WINDOWS_DLL logic
  
  This patch removes obsolete COMPILING_WINDOWS_DLL logic throughout the
  rts. They were once used for compiling to win32 DLLs, but we haven't
  been able to compile Haskell units to win32 DLLs for many years now,
  due to PE format's restriction of no more than 65536 exported symbols
  in a single DLL.
  

• bb760611
  by Cheng Shao at 2025-09-19T18:29:42-04:00

  wasm: bump browser_wasi_shim to 0.4.2
  
  This patch bumps the browser_wasi_shim dependency of wasm dyld script
  to 0.4.2.
  

• 8b0940db
  by Cheng Shao at 2025-09-20T06:48:05-04:00

  compiler: move Binary instance of Map to GHC.Utils.Binary
  
  This patch moves `Binary` instance of `Map` from `haddock-api` to
  `GHC.Utils.Binary`. This also allows us to remove a redundant instance
  defined for `NameEntityInfo`, which is a type synonym for `Map`.
  

• 4a8fed75
  by Vladislav Zavialov at 2025-09-20T06:48:47-04:00

  Fix keyword in ExplicitNamespaces error message (#26418)
  
  Consider this module header and the resulting error:
  
    {-# LANGUAGE NoExplicitNamespaces #-}
    module T26418 (data HeadC) where
  
    -- error: [GHC-47007]
    --   Illegal keyword 'type'
  
  Previously, the error message would mention 'type' (as shown above),
  even though the user wrote 'data'. This has now been fixed.
  
  The error location has also been corrected: it is now reported at the
  keyword position rather than at the position of the associated
  import/export item.
  

• 867c2675
  by Cheng Shao at 2025-09-20T06:49:28-04:00

  wasm: fix dyld handling for forward declared GOT.func items
  
  This patch fixes wasm shared linker's handling of forward declared
  GOT.func items, see linked issue for details. Also adds T26430 test to
  witness the fix. Fixes #26430.
  
  Co-authored-by: Codex <codex@openai.com>
  

• e7df6cc0
  by Simon Peyton Jones at 2025-09-23T14:34:39-04:00

  Improve pretty printer for HsExpr
  
  Given a very deeply-nested application, it just kept printing
  deeper and deeper.  This small change makes it cut off.
  
  Test is in #26330, but we also get a dramatic decrease in compile
  time for perf/compiler/InstanceMatching:
     InstanceMatching  4,086,884,584  1,181,767,232 -71.1% GOOD
  Why? Because before we got a GIGANTIC error message that took
  ages to pretty-print; now we get this much more civilised message
  (I have removed some whitespace.)
  
  Match.hs:1007:1: error:
      • No instance for ‘Show (F001 a)’ arising from a use of ‘showsPrec’
      • In the second argument of ‘showString’, namely
          ‘(showsPrec
              11 b1
           (GHC.Internal.Show.showSpace
              (showsPrec
                 11 b2
           (GHC.Internal.Show.showSpace
              (showsPrec
                 11 b3
           (GHC.Internal.Show.showSpace
              (showsPrec
                 11 b4
           (GHC.Internal.Show.showSpace
              (showsPrec
                 11 b5
           (GHC.Internal.Show.showSpace
              (showsPrec
                 11 b6
                 (GHC.Internal.Show.showSpace (showsPrec ...)))))))))))))’
  
  -----------------------
  The main payload is
  
  * At the start of `pprExpr`
  * In the defn of `pprApp`
  
  A little bit of refactoring:
  
  * It turned out that we were setting the default cut-off depth to a
    fixed value in two places, so changing one didn't change the other.
    See defaultSDocDepth and defaultSDocCols
  
  * I refactored `pprDeeperList` a bit so I could understand it better.
  
  Because the depth calculation has changed, there are lots of small
  error message wibbles.
  
  Metric Decrease:
      InstanceMatching
  

• 209f0158
  by Simon Peyton Jones at 2025-09-23T14:34:39-04:00

  Use Outputable.ellipsis rather than text "..."
  

• 64bb0e37
  by Sylvain Henry at 2025-09-23T14:35:56-04:00

  deriveConstants: automatically pass -fcommon CC flag (#26393)
  
  By mistake we tried to use deriveConstants without passing
  `--gcc-flag -fcommon` (which Hadrian does) and it failed.
  
  This patch:
  1. adds parsing support for constants stored in the .bss section (i.e.
     when -fcommon isn't passed)
  2. enables passing `-fcommon` automatically to the C compiler because
     Windows requires this for subtle reasons
  3. Documents the subtle reasons
  
  (1) isn't strictly necessary because we always do (2) but it does no
  harm and it is still useful if the CC flags ever contain -fno-common
  

• afcdf92f
  by Oleg Grenrus at 2025-09-23T14:36:41-04:00

  Don't wrap spaces in <span>s
  
  Doing similar comparison as in 63189b2ceca07edf4e179f4180ca60d470c62cb3
  
  With this change the gzipped documentation is now 2% smaller (previously 1%)
  
  12_694_206 Agda-2.9.0-docs-orig.tar.gz
  12_436_829 Agda-2.9.0-docs.tar.gz
  
  Unzipped docs are 5% smaller (previously 3%)
  
  178M	Agda-2.9.0-docs-orig
  169M	Agda-2.9.0-docs
  
  Individual hyperlinked sources are around 7-10% smaller (previously 5%)
  (`Parser` module is generated by happy and has relatively little whitespace)
  
  14_230_117 Agda.Syntax.Parser.Parser.html
  13_220_758 Agda.Syntax.Parser.Parser.html
  
  Agda's hyperlinked sources are 9% smaller now:
  
  121M	Agda-2.9.0-docs-orig/src
  110M	Agda-2.9.0-docs/src
  

• 67de53a6
  by Cheng Shao at 2025-09-23T14:37:31-04:00

  rts: remove obsolete __GNUC__ related logic
  
  This patch removes obsolete `__GNUC__` related logic, given on any
  currently supported platform and toolchain, `__GNUC__ >= 4` is
  universally true. Also pulls some other weeds and most notably, use
  `__builtin___clear_cache` for clang as well, since clang has supported
  this gcc intrinsic since 2014, see
  https://github.com/llvm/llvm-project/commit/c491a8d4577052bc6b3b4c72a7db6a7cfcbc2ed0.
  

• c4d32493
  by Sven Tennie at 2025-09-23T20:40:57-04:00

  RV64: Fix: Add missing truncation to MO_S_Shr (#26248)
  
  Sub-double word (<W64) registers need to be truncated after the
  operation.
  

• 41dce477
  by Sven Tennie at 2025-09-23T20:40:57-04:00

  RV64: Cleanup shift emitting cases/code
  
  Remove overlapping cases to make the shift logic easier to understand.
  

• 0a601c30
  by Alex Washburn at 2025-09-23T20:41:41-04:00

  Correcting LLVM linking of Intel BMI intrinsics pdep{8,16} and pext{8,16}.
  
  This patch fixes #26065.
  
  The LLVM interface does not expose bindings to:
  
    - llvm.x86.bmi.pdep.8
    - llvm.x86.bmi.pdep.16
    - llvm.x86.bmi.pext.8
    - llvm.x86.bmi.pext.16
  
  So calls are instead made to llvm.x86.bmi.{pdep,pext}.32 in these cases,
  with pre/post-operation truncation to constrain the logical value range.
  

• 89e8ff3d
  by Peng Fan at 2025-09-23T20:42:37-04:00

  NCG/LA64: Implement MO_BSwap and MO_BRev with bit-manipulation Instructions
  

• 50f6be09
  by Sylvain Henry at 2025-09-23T20:43:29-04:00

  Allow Core plugins to access unoptimized Core (#23337)
  
  Make the first simple optimization pass after desugaring a real CoreToDo
  pass. This allows CorePlugins to decide whether they want to be executed
  before or after this pass.
  

• 30ef0aac
  by Simon Hengel at 2025-09-23T20:44:12-04:00

  docs: Fix typo in scoped_type_variables.rst

• f8919262
  by Cheng Shao at 2025-09-23T20:44:54-04:00

  ghci: fix bootstrapping with 9.12.3-rc1 and above
  
  This patch fixes bootstrapping GHC with 9.12.3-rc1 and above. ghci
  defines `Binary` instance for `HalfWord` in `ghc-heap`, which is a
  proper `newtype` in 9.14 and starting from 9.12.3. Given we don't
  build `ghc-heap` in stage0, we need to fix this predicate so that it
  corresponds to the boot ghc versions that contain the right version of
  `ghc-heap`.
  

• a7f15858
  by sheaf at 2025-09-24T09:49:53-04:00

  User's guide: clarify optimisation of INLINABLE unfoldings
  
  This updates the user's guide section on INLINABLE pragmas to explain how
  the unfoldings of inlineable functions are optimised. The user's guide incorrectly
  stated that the RHS was not optimised at all, but this is not true. Instead, GHC
  is careful about phase control to optmise the RHS while retaining the guarantee
  that GHC behaves as if the original RHS had been written.

• 495886d9
  by Rodrigo Mesquita at 2025-09-24T09:50:35-04:00

  cleanup: Delete historical artifact of COMPILING_WINDOWS_DLL
  
  Namely, drop the obsolete
  - DLL_IMPORT_RTS
  - DLL_IMPORT_DATA_VAR
  - DLL_IMPORT_DATA_VARNAME
  - DLL_IMPORT_DATA_REF
  
  These macros were not doing anything and placed inconsistently
  
  Looking at the git logs reveal these macros were used to support
  dynamic libraries on Win32, a feature that was dropped
  in b8cfa8f741729ef123569fb321c4b2ab4a1a941c
  
  This allows us to get rid of the rts/DLL.h file too.
  

• 5ae89054
  by Sylvain Henry at 2025-09-24T17:07:00-04:00

  Allow disabling builtin rules (#20298)
  
  Add a way to disable built-in rules programmatically and with a debug flag.
  
  I also took the opportunity to add a debug flag to disable bignum rules,
  which was only possible programmatically (e.g. in a plugin).
  

• 135242ca
  by Rodrigo Mesquita at 2025-09-24T17:07:44-04:00

  Don't use build CFLAGS and friends as target settings
  
  In the GHC in tree configure, `CFLAGS`, `CXXFLAGS`, and similar tool
  configuration flags apply to the BUILD phase of the compiler, i.e. to
  the tools run to compile GHC itself.
  
  Notably, they should /not/ be carried over to the Target settings, i.e.
  these flags should /not/ apply to the tool which GHC invokes at runtime.
  
  Fixes #25637
  

• b418408b
  by Irene Knapp at 2025-09-25T09:47:54-04:00

  Document etymology of "bind" as the name for `>>=`
  
  It took me twenty years of contemplation to realize why it's called that.
  I therefore feel that it may not be obvious to beginners.
  

• e9c5e46f
  by Brandon Chinn at 2025-09-25T09:48:36-04:00

  Fix tabs in string gaps (#26415)
  
  Tabs in string gaps were broken in bb030d0d because previously, string gaps were manually parsed, but now it's lexed by the usual Alex grammar and post-processed after successful lexing.
  
  It broke because of a discrepancy between GHC's lexer grammar and the Haskell Report. The Haskell Report includes tabs in whitechar:
  
  whitechar  →  newline | vertab | space | tab | uniWhite
  
  $whitechar used to include tabs until 18 years ago, when it was removed in order to exclude tabs from $white_no_nl in order to warn on tabs: 6e202120. In this MR, I'm adding \t back into $whitechar, and explicitly excluding \t from the $white_no_nl+ rule ignoring all whitespace in source code, which more accurately colocates the "ignore all whitespace except tabs, which is handled in the next line" logic.
  
  As a side effect of this MR, tabs are now allowed in pragmas; currently, a pragma written as {-# \t LANGUAGE ... #-} is interpreted as the tab character being the pragma name, and GHC warns "Unrecognized pragma". With this change, tabs are ignored as whitespace, which more closely matches the Report anyway.
  

• 8bf5b309
  by Cheng Shao at 2025-09-25T09:49:18-04:00

  wasm: remove the --no-turbo-fast-api-calls hack from dynamic linker shebang
  
  This patch removes the `--no-turbo-fast-api-calls` hack from the dyld
  script shebang; it was used to workaround v8 fast call coredumps in
  nodejs and no longer needed, and comes with a performance penalty,
  hence the removal.
  

• c1cab0c3
  by Sylvain Henry at 2025-09-26T10:36:30-04:00

  Revert "Add necessary flag for js linking"
  
  This reverts commit 84f68e2231b2eddb2e1dc4e90af394ef0f2e803f.
  
  This commit didn't have the expected effect. See discussion in #26290.
  Instead we export HEAP8 and HEAPU8 from rts/js/mem.js
  

• 0a434a80
  by Sylvain Henry at 2025-09-26T10:36:30-04:00

  JS: export HEAPU8 (#26290)
  
  This is now required by newer Emscripten versions.
  

• b10296a9
  by Andreas Klebinger at 2025-09-26T10:37:11-04:00

  sizeExpr: Improve Tick handling.
  
  When determining if we scrutinize a function argument we
  now properly look through ticks. Fixes #26444.
  

• d9e2a9a7
  by mniip at 2025-09-26T16:00:50-04:00

  rts: Refactor parsing of -h flags
  
  We have a nontrivial amount of heap profiling flags available in the
  non-profiled runtime, so it makes sense to reuse the parsing code
  between the profiled and the non-profiled runtime, only restricting
  which flags are allowed.
  

• 089e45aa
  by mniip at 2025-09-26T16:00:50-04:00

  rts: Fix parsing of -h options with braces
  
  When the "filter by" -h options were introduced in
  bc210f7d267e8351ccb66972f4b3a650eb9338bb, the braces were mandatory.
  Then in 3c22fb21fb18e27ce8d941069a6915fce584a526, the braces were made
  optional. Then in d1ce35d2271ac8b79cb5e37677b1a989749e611c the brace
  syntax stopped working, and no one seems to have noticed.
  

• 423f1472
  by mniip at 2025-09-26T16:00:50-04:00

  rts: add -hT<type> and -hi<table id> heap filtering options (#26361)
  
  They are available in non-profiled builds.
  
  Along the way fixed a bug where combining -he<era> and -hr<retainer>
  would ignore whether the retainer matches or not.
  

• 4cda4785
  by mniip at 2025-09-26T16:00:50-04:00

  docs: Document -hT<type> and -hi<addr>
  

• 982ad30f
  by mniip at 2025-09-26T16:00:50-04:00

  rts: Refactor dumping the heap census
  
  Always do the printing of the total size right next to where the bucket
  label is printed. This prevents accidentally printing a label without
  the corresponding amount.
  
  Fixed a bug where exactly this happened for -hi profile and the 0x0
  (uncategorized) info table.
  
  There is now also much more symmetry between fprintf(hp_file,...) and
  the corresponding traceHeapProfSampleString.
  

• 8cbe006a
  by Cheng Shao at 2025-09-26T16:01:34-04:00

  hadrian: fix GHC.Platform.Host generation for cross stage1
  
  This patch fixes incorrectly GHC.Platform.Host generation logic for
  cross stage1 in hadrian (#26449). Also adds T26449 test case to
  witness the fix.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 0ddd0fdc
  by soulomoon at 2025-09-28T19:24:10-04:00

  Remove hptAllInstances usage during upsweep
  
  Previously, during the upsweep phase when
  checking safe imports, we were loading the module
  interface with runTcInteractive, which in turn calls
  hptAllInstances. This accesses non-below modules
  from the home package table.
  
  Change the implementation of checkSafeImports
  to use initTcWithGbl and loadSysInterface to load the
  module interface, since we already have TcGblEnv at hand.
  This eliminates the unnecessary use of runTcInteractive
  and hptAllInstances during the upsweep phase.
  

• e05c496c
  by Ben Gamari at 2025-09-28T19:24:59-04:00

  base: Update changelog to reflect timing of IOPort# removal
  
  This change will make 9.14 afterall.
  

• bdc9d130
  by Cheng Shao at 2025-09-28T19:25:45-04:00

  rts: fix wasm JSFFI initialization constructor code
  
  This commit fixes wasm JSFFI initialization constructor code so that
  the constructor is self-contained and avoids invoking a fake
  __main_argc_argv function. The previous approach of reusing
  __main_void logic in wasi-libc saves a tiny bit of code, at the
  expense of link-time trouble whenever GHC links a wasm module without
  -no-hs-main, in which case the driver-generated main function would
  clash with the definition here, resulting in a linker error. It's
  simply better to avoid messing with the main function, and it would
  additionally allow linking wasm32-wasi command modules that does make
  use of synchronous JSFFI.
  

• 5d59fc8f
  by Cheng Shao at 2025-09-28T19:26:27-04:00

  rts: provide stub implementations of ExecPage functions for wasm
  
  This patch provides stub implementations of ExecPage functions for
  wasm. They are never actually invoked at runtime for any non-TNTC
  platform, yet they can cause link-time errors of missing symbols when
  the GHCi.InfoTable module gets linked into the final wasm module (e.g.
  a GHC API program).
  

• a4d664c7
  by Cheng Shao at 2025-09-29T17:29:22+02:00

  compiler/ghci: replace the LoadDLL message with LoadDLLs
  
  As a part of #25407, this commit changes the LoadDLL message to
  LoadDLLs, which takes a list of DLL paths to load and returns the list
  of remote pointer handles. The wasm dyld is refactored to take
  advantage of LoadDLLs and harvest background parallelism. On other
  platforms, LoadDLLs is based on a fallback codepath that does
  sequential loading.
  
  The driver is not actually emitting singular LoadDLLs message with
  multiple DLLs yet, this is left in subsequent commits.
  
  Co-authored-by: Codex <codex@openai.com>
  

• c7fc4bae
  by Cheng Shao at 2025-09-29T17:29:22+02:00

  driver: separate downsweep/upsweep phase in loadPackages'
  
  This commit refactors GHC.Linker.Loader.loadPackages' to be separated
  into downsweep/upsweep phases:
  
  - The downsweep phase performs dependency analysis and generates a
    list of topologically sorted packages to load
  - The upsweep phase sequentially loads these packages by calling
    loadPackage
  
  This is a necessary refactoring to make it possible to make loading of
  DLLs concurrent.
  

• ab180104
  by Cheng Shao at 2025-09-29T17:57:19+02:00

  driver: emit single LoadDLLs message to load multiple DLLs
  
  This commit refactors the driver so that it emits a single LoadDLLs
  message to load multiple DLLs in GHC.Linker.Loader.loadPackages'.
  Closes #25407.
  
  -------------------------
  Metric Increase:
      MultiLayerModulesTH_OneShot
      TcPlugin_RewritePerf
  -------------------------
  
  Co-authored-by: Codex <codex@openai.com>
  

• 9c304ec0
  by Sean D. Gillespie at 2025-09-29T19:57:07-04:00

  Fix SIZED_BIN_OP_TY_INT casts in RTS interpreter
  
  Correct `SIZED_BIN_OP_TY_INT` cast to integer. Previously, it cast
  its second operand as its parameter `ty`. This does not currently
  cause any issues, since we are only using it for bit shifts.
  
  Fixes #26287
  

• a1de535f
  by Luite Stegeman at 2025-09-30T18:40:28-04:00

  rts: Fix lost wakeups in threadPaused for threads blocked on black holes
  
  The lazy blackholing code in threadPaused could overwrite closures
  that were already eagerly blackholed, and as such wouldn't have a
  marked update frame. If the black hole was overwritten by its
  original owner, this would lead to an undetected collision, and
  the contents of any existing blocking queue being lost.
  
  This adds a check for eagerly blackholed closures and avoids
  overwriting their contents.
  
  Fixes #26324
  

• b7e21e49
  by Luite Stegeman at 2025-09-30T18:40:28-04:00

  rts: push the correct update frame in stg_AP_STACK
  
  The frame contains an eager black hole (__stg_EAGER_BLACKHOLE_info) so
  we should push an stg_bh_upd_frame_info instead of an stg_upd_frame_info.
  

• 02a7c18a
  by Cheng Shao at 2025-09-30T18:41:27-04:00

  ghci: fix lookupSymbolInDLL behavior on wasm
  
  This patch fixes lookupSymbolInDLL behavior on wasm to return Nothing
  instead of throwing. On wasm, we only have lookupSymbol, and the
  driver would attempt to call lookupSymbolInDLL first before falling
  back to lookupSymbol, so lookupSymbolInDLL needs to return Nothing
  gracefully for the fallback behavior to work.
  

• aa0ca5e3
  by Cheng Shao at 2025-09-30T18:41:27-04:00

  hadrian/compiler: enable internal-interpreter for ghc library in wasm stage1
  
  This commit enables the internal-interpreter flag for ghc library in
  wasm stage1, as well as other minor adjustments to make it actually
  possible to launch a ghc api session that makes use of the internal
  interpreter. Closes #26431 #25400.
  

• 69503668
  by Cheng Shao at 2025-09-30T18:41:27-04:00

  testsuite: add T26431 test case
  
  This commit adds T26431 to testsuite/tests/ghci-wasm which goes
  through the complete bytecode compilation/linking/running pipeline in
  wasm, so to witness that the ghc shared library in wasm have full
  support for internal-interpreter.
  

• e9445c01
  by Matthew Pickering at 2025-09-30T18:42:23-04:00

  driver: Load bytecode static pointer entries during linking
  
  Previously the entries were loaded too eagerly, during upsweep, but we
  should delay loading them until we know that the relevant bytecode
  object is demanded.
  
  Towards #25230
  

• b8307eab
  by Cheng Shao at 2025-09-30T18:43:14-04:00

  autoconf/ghc-toolchain: remove obsolete C99 check
  
  This patch removes obsolete c99 check from autoconf/ghc-toolchain. For
  all toolchain & platform combination we support, gnu11 or above is
  already supported without any -std flag required, and our RTS already
  required C11 quite a few years ago, so the C99 check is completely
  pointless.
  

• 9c293544
  by Simon Peyton Jones at 2025-10-01T09:36:10+01:00

  Fix buglet in GHC.Core.Unify.uVarOrFam
  
  We were failing to match two totally-equal types!
  
  This led to #26457.
  

• 554487a7
  by Rodrigo Mesquita at 2025-10-01T23:04:43-04:00

  cleanup: Drop obsolete comment about HsConDetails
  
  HsConDetails used to have an argument representing the type of the
  tyargs in a list:
  
      data HsConDetails tyarg arg rec
        = PrefixCon [tyarg] [arg]
  
  This datatype was shared across 3 synonyms: HsConPatDetails,
  HsConDeclH98Details, HsPatSynDetails. In the latter two cases, `tyarg`
  was instanced to `Void` meaning the list was always empty for these
  cases.
  
  In 7b84c58867edca57a45945a20a9391724db6d9e4, this was refactored such
  that HsConDetails no longer needs a type of tyargs by construction. The
  first case now represents the type arguments in the args type itself,
  with something like:
  
      ConPat "MkE" [InvisP tp1, InvisP tp2, p1, p2]
  
  So the deleted comment really is just obsolete.
  
  Fixes #26461
  

• 6992ac09
  by Cheng Shao at 2025-10-02T07:27:55-04:00

  testsuite: remove unused expected output files
  
  This patch removes unused expected output files in the testsuites on
  platforms that we no longer support.
  

• 39eaaaba
  by Ben Gamari at 2025-10-02T07:28:45-04:00

  rts: Dynamically initialize built-in closures
  
  To resolve #26166 we need to eliminate references to undefined symbols
  in the runtime system. One such source of these is the runtime's
  static references to `I#` and `C#` due the `stg_INTLIKE` and
  `stg_CHARLIKE` arrays.
  
  To avoid this we make these dynamic, initializing them during RTS
  start-up.
  

• c254c54b
  by Cheng Shao at 2025-10-02T07:29:33-04:00

  compiler: only invoke keepCAFsForGHCi if internal-interpreter is enabled
  
  This patch makes the ghc library only invoke keepCAFsForGHCi if
  internal-interpreter is enabled. For cases when it's not (e.g. the
  host build of a cross ghc), this avoids unnecessarily retaining all
  CAFs in the heap. Also fixes the type signature of c_keepCAFsForGHCi
  to match the C ABI.
  

• c9ec4d43
  by Simon Hengel at 2025-10-02T18:42:20-04:00

  Update copyright in documentation
  

• da9633a9
  by Matthew Pickering at 2025-10-02T18:43:04-04:00

  loader: Unify loadDecls and loadModuleLinkables functions
  
  These two functions nearly did the same thing. I have refactored them so
  that `loadDecls` now calls `loadModuleLinkables`.
  
  Fixes #26459
  

• 5db98d80
  by Simon Hengel at 2025-10-02T18:43:53-04:00

  Fix typo

• 1275d360
  by Matthew Pickering at 2025-10-03T06:05:56-04:00

  testsuite: Use ghci_ways to set ways in PackedDataCon/UnboxedTuples/UnliftedDataTypeInterp tests
  
  These tests reimplemented the logic from `valid_way` in order to
  determine what ways to run. It's easier to use this combination of
  `only_ways` and `extra_ways` to only run in GHCi ways and always run in
  GHCi ways.
  

• c06b534b
  by Matthew Pickering at 2025-10-03T06:06:40-04:00

  Rename interpreterBackend to bytecodeBackend
  
  This is preparation for creating bytecode files.
  
  The "interpreter" is one way in which we can run bytecode objects. It is
  more accurate to describe that the backend produces bytecode, rather
  than the means by which the code will eventually run.
  
  The "interpreterBackend" binding is left as a deprecated alias.
  

• 41bdb16f
  by Andreas Klebinger at 2025-10-06T18:04:34-04:00

  Add a perf test for #26425
  

• 1da0c700
  by Andreas Klebinger at 2025-10-06T18:05:14-04:00

  Testsuite: Silence warnings about Wx-partial in concprog001
  

• 7471eb6a
  by sheaf at 2025-10-07T21:39:43-04:00

  Improve how we detect user type errors in types
  
  This commit cleans up all the code responsible for detecting whether a
  type contains "TypeError msg" applications nested inside it. All the
  logic is now in 'userTypeError_maybe', which is always deep. Whether
  it looks inside type family applications is determined by the passed-in
  boolean flag:
  
    - When deciding whether a constraint is definitely insoluble, don't
      look inside type family applications, as they may still reduce -- in
      which case the TypeError could disappear.
    - When reporting unsolved constraints, look inside type family
      applications: they had the chance to reduce but didn't, and the
      custom type error might contain valuable information.
  
  All the details are explained in Note [Custom type errors in constraints]
  in GHC.Tc.Types.Constraint.
  
  Another benefit of this change is that it allows us to get rid of the
  deeply dodgy 'getUserTypeErrorMsg' function.
  
  This commit also improves the detection of custom type errors, for
  example in equality constraints:
  
    TypeError blah ~# rhs
  
  It used to be the case that we didn't detect the TypeError on the LHS,
  because we never considered that equality constraints could be insoluble
  due to the presence of custom type errors. Addressing this oversight
  improves detection of redundant pattern match warnings, fixing #26400.
  

• 29955267
  by Rodrigo Mesquita at 2025-10-07T21:40:25-04:00

  cleanup: Drop obsolete settings from config.mk.in
  
  These values used to be spliced into the bindist's `config.mk` s.t. when
  `make` was run, the values were read and written into the bindist installation `settings` file.
  
  However, we now carry these values to the bindist directly in the
  default.target toolchain file, and `make` writes almost nothing to
  `settings` now (see #26227)
  
  The entries deleted in this MR were already unused.
  
  Fixes #26478
  

• f7adfed2
  by ARATA Mizuki at 2025-10-08T08:37:24-04:00

  T22033 is only relevant if the word size is 64-bit
  
  Fixes #25497
  

• ff1650c9
  by Ben Gamari at 2025-10-08T08:38:07-04:00

  rts/posix: Enforce iteration limit on heap reservation logic
  
  Previously we could loop indefinitely when attempting to get an address
  space reservation for our heap. Limit the logic to 8 iterations to
  ensure we instead issue a reasonable error message.
  
  Addresses #26151.
  

• 01844557
  by Ben Gamari at 2025-10-08T08:38:07-04:00

  rts/posix: Hold on to low reservations when reserving heap
  
  Previously when the OS gave us an address space reservation in low
  memory we would immediately release it and try again. However, on some
  platforms this meant that we would get the same allocation again in the
  next iteration (since mmap's `hint` argument is just that, a hint).
  
  Instead we now hold on to low reservations until we have found a
  suitable heap reservation.
  
  Fixes #26151.
  

• b2c8d052
  by Sven Tennie at 2025-10-08T08:38:47-04:00

  Build terminfo only in upper stages in cross-builds (#26288)
  
  Currently, there's no way to provide library paths for [n]curses for
  both - build and target - in cross-builds. As stage0 is only used to
  build upper stages, it should be fine to build terminfo only for them.
  
  This re-enables building cross-compilers with terminfo.
  

• c58f9a61
  by Julian Ospald at 2025-10-08T08:39:36-04:00

  ghc-toolchain: Drop `ld.gold` from merge object command
  
  It's deprecated.
  
  Also see #25716
  

• 2b8baada
  by sheaf at 2025-10-08T18:23:37-04:00

  Improvements to 'mayLookIdentical'
  
  This commit makes significant improvements to the machinery that decides
  when we should pretty-print the "invisible bits" of a type, such as:
  
    - kind applications, e.g. '@k' in 'Proxy @k ty'
    - RuntimeReps, e.g. 'TYPE r'
    - multiplicities and linear arrows 'a %1 -> b'
  
  To do this, this commit refactors 'mayLookIdentical' to return **which**
  of the invisible bits don't match up, e.g. in
  
    (a %1 -> b) ~ (a %Many -> b)
  
  we find that the invisible bit that doesn't match up is a multiplicity,
  so we should set 'sdocLinearTypes = True' when pretty-printing, and with
  e.g.
  
    Proxy @k1 ~ Proxy @k2
  
  we find that the invisible bit that doesn't match up is an invisible
  TyCon argument, so we set 'sdocPrintExplicitKinds = True'.
  
  We leverage these changes to remove the ad-hoc treatment of linearity
  of data constructors with 'dataConDisplayType' and 'dataConNonLinearType'.
  This is now handled by the machinery of 'pprWithInvisibleBits'.
  
  Fixes #26335 #26340
  

• 129ce32d
  by sheaf at 2025-10-08T18:23:37-04:00

  Store SDoc context in SourceError
  
  This commits modifies the SourceError datatype which is used for
  throwing and then reporting exceptions by storing all the info we need
  to be able to print the SDoc, including whether we should print with
  explicit kinds, explicit runtime-reps, etc.
  
  This is done using the new datatype:
  
    data SourceErrorContext
      = SEC
          !DiagOpts
          !(DiagnosticOpts GhcMessage)
  
  Now, when we come to report an error (by handling the exception), we
  have access to the full context we need.
  
  Fixes #26387
  

• f9790ca8
  by Ben Gamari at 2025-10-08T18:24:19-04:00

  gitlab-ci: Make RELEASE_JOB an input
  
  Rather than an undocumented variable.
  

• 14281a22
  by Ben Gamari at 2025-10-11T14:06:47-04:00

  rts/nonmoving: Fix comment spelling
  

• bedd38b0
  by Ben Gamari at 2025-10-11T14:06:47-04:00

  rts/nonmoving: Use atomic operations to update bd->flags
  

• 215d6841
  by Ben Gamari at 2025-10-11T14:06:47-04:00

  nonmoving: Use get_itbl instead of explicit loads
  
  This is cleaner and also fixes unnecessary (and unsound) use of
  `volatile`.
  

• 2c94aa3a
  by Ben Gamari at 2025-10-11T14:06:47-04:00

  rts/Scav: Handle WHITEHOLEs in scavenge_one
  
  `scavenge_one`, used to scavenge mutable list entries, may encounter
  `WHITEHOLE`s when the non-moving GC is in use via two paths:
  
    1. when an MVAR is being marked concurrently
    2. when the object belongs to a chain of selectors being short-cutted.
  
  Fixes #26204.
  

• 6bd8155c
  by Matthew Pickering at 2025-10-11T14:07:29-04:00

  Add support for generating bytecode objects
  
  This commit adds the `-fwrite-byte-code` option which makes GHC emit a
  `.gbc` file which contains a serialised representation of bytecode.
  
  The bytecode can be loaded by the compiler to avoid having to
  reinterpret a module when using the bytecode interpreter (for example,
  in GHCi).
  
  There are also the new options:
  
  * -gbcdir=<DIR>: Specify the directory to place the gbc files
  * -gbcsuf=<suffix>: Specify the suffix for gbc files
  
  The option `-fbyte-code-and-object-code` now implies
  `-fwrite-byte-code`.
  
  These performance tests fail due to https://github.com/haskell/directory/issues/204
  
  -------------------------
  Metric Increase:
      MultiComponentModules
      MultiLayerModules
      MultiComponentModulesRecomp
      MultiLayerModulesRecomp
      MultiLayerModulesTH_Make
      MultiLayerModulesTH_OneShot
      T13701
  -------------------------
  
  The bytecode serialisation part was implemented by Cheng Shao
  
  Co-authored-by: Cheng Shao <terrorjack@type.dance>
  

• dc8f9599
  by Matthew Pickering at 2025-10-11T14:07:30-04:00

  Revert "Add a perf test for #26425"
  
  This test has a large memory spike currently, which makes the test
  sensitive, since if you allocate a little more or less, the precise
  location where GC happens shifts and you observe a different part of the
  spike.
  
  Andreas told me to revert the patch for now, and he will add it back
  when he fixes the memory spike.
  
  This reverts commit 41bdb16fd083110a06507248f648c507a2feb4af.
  

• e10dcd65
  by Sven Tennie at 2025-10-12T10:24:56+00:00

  T22859: Increase threadDelay for small machines
  
  The previously used thread delay led to failures on my RISC-V test
  setups.
  

• d59ef6b6
  by Hai / @BestYeen at 2025-10-14T21:51:14-04:00

  Change Alex and Happy m4 scripts to display which version was found in the system, adapt small formatting details in Happy script to be more like the Alex script again.

• c98abb6a
  by Hai / @BestYeen at 2025-10-14T21:52:08-04:00

  Update occurrences of return to pure and add a sample for redefining :m to mean :main

• 70ee825a
  by Cheng Shao at 2025-10-14T21:52:50-04:00

  testsuite: fix T3586 for non-SSE3 platforms
  
  `T3586.hs` contains `-fvia-C -optc-msse3` which I think is a
  best-effort basis to harvest the C compiler's auto vectorization
  optimizations via the C backend back when the test was added. The
  `-fvia-C` part is now a deprecated no-op because GHC can't fall back
  to the C backend on a non-unregisterised build, and `-optc-msse3`
  might actually cause the test to fail on non x86/x64 platforms, e.g.
  recent builds of wasi-sdk would report `wasm32-wasi-clang: error:
  unsupported option '-msse3' for target 'wasm32-unknown-wasi'`.
  
  So this patch cleans up this historical cruft. `-fvia-C` is removed,
  and `-optc-msse3` is only passed when cpuid contains `pni` (which
  indicates support of SSE3).
  

• 4be32153
  by Teo Camarasu at 2025-10-15T08:06:09-04:00

  Add submodules for template-haskell-lift and template-haskell-quasiquoter
  
  These two new boot libraries expose stable subsets of the
  template-haskell interface.
  
  This is an implemenation of the GHC proposal https://github.com/ghc-proposals/ghc-proposals/pull/696
  
  Work towards #25262
  

• 0c00c9c3
  by Ben Gamari at 2025-10-15T08:06:51-04:00

  rts: Eliminate uses of implicit constant arrays
  
  Folding of `const`-sized variable-length arrays to a constant-length
  array is a gnu extension which clang complains about.
  
  Closes #26502.
  

• bf902a1d
  by Fendor at 2025-10-15T16:00:59-04:00

  Refactor distinct constructor tables map construction
  
  Adds `GHC.Types.Unique.FM.alterUFM_L`, `GHC.Types.Unique.DFM.alterUDFM_L`
  `GHC.Data.Word64Map.alterLookup` to support fusion of distinct
  constructor data insertion and lookup during the construction of the `DataCon`
  map in `GHC.Stg.Debug.numberDataCon`.
  
  Co-authored-by: Fendor <fendor@posteo.de>
  Co-authored-by: Finley McIlwaine <finleymcilwaine@gmail.com>
  

• b3585ba1
  by Fendor at 2025-10-15T16:00:59-04:00

  Allow per constructor refinement of distinct-constructor-tables
  
  Introduce `-fno-distinct-constructor-tables`. A distinct constructor table
  configuration is built from the combination of flags given, in order. For
  example, to only generate distinct constructor tables for a few specific
  constructors and no others, just pass
  `-fdistinct-constructor-tables-only=C1,...,CN`.
  This flag can be supplied multiple times to extend the set of
  constructors to generate a distinct info table for.
  
  You can disable generation of distinct constructor tables for all
  configurations by passing `-fno-distinct-constructor-tables`.
  
  The various configurations of these flags is included in the `DynFlags`
  fingerprints, which should result in the expected recompilation logic.
  
  Adds a test that checks for distinct tables for various given or omitted
  constructors.
  
  Updates CountDepsAst and CountDepsParser tests to account for new dependencies.
  
  Fixes #23703
  
  Co-authored-by: Fendor <fendor@posteo.de>
  Co-authored-by: Finley McIlwaine <finleymcilwaine@gmail.com>
  

• e17dc695
  by fendor at 2025-10-15T16:01:41-04:00

  Fix typos in haddock documentation for stack annotation API
  

• f85058d3
  by Zubin Duggal at 2025-10-17T13:50:52+05:30

  compiler: Attempt to systematize Unique tags by introducing an ADT for each different tag
  
  Fixes #26264
  
  Metric Decrease:
      T9233
  

• c85c845d
  by sheaf at 2025-10-17T22:35:32-04:00

  Don't prematurely final-zonk PatSyn declarations
  
  This commit makes GHC hold off on the final zonk for pattern synonym
  declarations, in 'GHC.Tc.TyCl.PatSyn.tc_patsyn_finish'.
  This accommodates the fact that pattern synonym declarations without a
  type signature can contain unfilled metavariables, e.g. if the RHS of
  the pattern synonym involves view-patterns whose type mentions promoted
  (level 0) metavariables. Just like we do for ordinary function bindings,
  we should allow these metavariables to be settled later, instead of
  eagerly performing a final zonk-to-type.
  
  Now, the final zonking-to-type for pattern synonyms is performed in
  GHC.Tc.Module.zonkTcGblEnv.
  
  Fixes #26465
  

• ba3e5bdd
  by Rodrigo Mesquita at 2025-10-18T16:57:18-04:00

  Move code-gen aux symbols from ghc-internal to rts
  
  These symbols were all previously defined in ghc-internal and made the
  dependency structure awkward, where the rts may refer to some of these
  symbols and had to work around that circular dependency the way
  described in #26166.
  
  Moreover, the code generator will produce code that uses these symbols!
  Therefore, they should be available in the rts:
  
  PRINCIPLE: If the code generator may produce code which uses this
  symbol, then it should be defined in the rts rather than, say,
  ghc-internal.
  
  That said, the main motivation is towards fixing #26166.
  
  Towards #26166. Pre-requisite of !14892
  

• f31de2a9
  by Ben Gamari at 2025-10-18T16:57:18-04:00

  rts: Avoid static symbol references to ghc-internal
  
  This resolves #26166, a bug due to new constraints placed by Apple's
  linker on undefined references.
  
  One source of such references in the RTS is the many symbols referenced
  in ghc-internal. To mitigate #26166, we make these references dynamic,
  as described in Note [RTS/ghc-internal interface].
  
  Fixes #26166
  
  Co-authored-by: Rodrigo Mesquita <rodrigo.m.mesquita@gmail.com>
  Co-authored-by: Cheng Shao <terrorjack@type.dance>
  

• 43fdfddc
  by Ben Gamari at 2025-10-18T16:57:18-04:00

  compiler: Rename isMathFun -> isLibcFun
  
  This set includes more than just math functions.
  

• 4ed5138f
  by Ben Gamari at 2025-10-18T16:57:18-04:00

  compiler: Add libc allocator functions to libc_funs
  
  Prototypes for these are now visible from `Prim.h`, resulting in
  multiple-declaration warnings in the unregisterised job.
  

• 9a0a076b
  by Ben Gamari at 2025-10-18T16:57:18-04:00

  rts: Minimize header dependencies of Prim.h
  
  Otherwise we will end up with redundant and incompatible declarations
  resulting in warnings during the unregisterised build.
  

• 26b8a414
  by Diego Antonio Rosario Palomino at 2025-10-18T16:58:10-04:00

  Cmm Parser: Fix incorrect example in comment
  
  The Parser.y file contains a comment with an incorrect example of textual
  Cmm (used in .cmm files). This commit updates the comment to ensure it
  reflects valid textual Cmm syntax.
  
  Fixes #26313
  

• d4a9d6d6
  by ARATA Mizuki at 2025-10-19T18:43:47+09:00

  Handle implications between x86 feature flags
  
  This includes:
  
  * Multiple -msse* options can be specified
  * -mavx implies -msse4.2
  * -mavx2 implies -mavx
  * -mfma implies -mavx
  * -mavx512f implies -mavx2 and -mfma
  * -mavx512{cd,er,pf} imply -mavx512f
  
  Closes #24989
  
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  

• c9b8465c
  by Cheng Shao at 2025-10-20T10:16:00-04:00

  wasm: workaround WebKit bug in dyld
  
  This patch works around a WebKit bug and allows dyld to run on WebKit
  based platforms as well. See added note for detailed explanation.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 91b6be10
  by Julian Ospald at 2025-10-20T18:21:03-04:00

  Improve error handling in 'getPackageArchives'
  
  When the library dirs in the package conf files are not set up correctly,
  the JS linker will happily ignore such packages and not link against them,
  although they're part of the link plan.
  
  Fixes #26383
  

• 6c5269da
  by Sven Tennie at 2025-10-20T18:21:44-04:00

  Align coding style
  
  Improve readability by using the same style for all constructor calls in
  this function.
  

• 3d305889
  by Sven Tennie at 2025-10-20T18:21:44-04:00

  Reduce complexity by removing joins with mempty
  
  ldArgs, cArgs and cppArgs are all `mempty`. Thus concatenating them adds
  nothing but some complexity while reading the code.
  

• 38d65187
  by Matthew Pickering at 2025-10-21T13:12:20+01:00

  Fix stack decoding when using profiled runtime
  
  There are three fixes in this commit.
  
  * We need to replicate the `InfoTable` and `InfoTableProf`
  approach for the other stack constants (see the new Stack.ConstantsProf
  file).
  
  * Then we need to appropiately import the profiled or non-profiled
    versions.
  
  * Finally, there was an incorrect addition in `stackFrameSize`. We need
    to cast after performing addition on words.
  
  Fixes #26507
  

• 17231bfb
  by fendor at 2025-10-21T13:12:20+01:00

  Add regression test for #26507
  

• 4f5bf93b
  by Simon Peyton Jones at 2025-10-25T04:05:34-04:00

  Postscript to fix for #26255
  
  This MR has comments only
  

• 6ef22fa0
  by IC Rainbow at 2025-10-26T18:23:01-04:00

  Add SIMD primops for bitwise logical operations
  
  This adds 128-bit wide and/or/xor instructions for X86 NCG,
  with both SSE and AVX encodings.
  
  ```
  andFloatX4# :: FloatX4# -> FloatX4# -> FloatX4#     -- andps / vandps
  andDoubleX2# :: DoubleX2# -> DoubleX2# -> DoubleX2# -- andpd / vandpd
  andInt8X16# :: Int8X16# -> Int8X16# -> Int8X16#     -- pand / vpand
  ```
  
  The new primops are available on ARM when using LLVM backend.
  
  Tests added:
  - simd015 (floats and doubles)
  - simd016 (integers)
  - simd017 (words)
  
  Fixes #26417
  

• fbdc623a
  by sheaf at 2025-10-26T18:23:52-04:00

  Add hints for unsolved HasField constraints
  
  This commit adds hints and explanations for unsolved 'HasField'
  constraints.
  
  GHC will now provide additional explanations for an unsolved constraint
  of the form 'HasField fld_name rec_ty fld_ty'; the details are laid out in
  Note [Error messages for unsolved HasField constraints], but briefly:
  
    1. Provide similar name suggestions (e.g. mis-spelled field name)
       and import suggestions (record field not in scope).
       These result in actionable 'GhcHints', which is helpful to provide
       code actions in HLS.
  
    2. Explain why GHC did not solve the constraint, e.g.:
  
      - 'fld_name' is not a string literal (e.g. a type variable)
      - 'rec_ty' is a TyCon without any fields, e.g. 'Int' or 'Bool'.
      - 'fld_ty' contains existentials variables or foralls.
      - The record field is a pattern synonym field (GHC does not generate
        HasField instances for those).
      - 'HasField' is a custom 'TyCon', not actually the built-in
        'HasField' typeclass from 'GHC.Records'.
  
  On the way, we slightly refactor the mechanisms for import suggestions
  in GHC.Rename.Unbound. This is to account for the fact that, for
  'HasField', we don't care whether the field is imported qualified or
  unqualified. 'importSuggestions' was refactored, we now have
  'sameQualImportSuggestions' and 'anyQualImportSuggestions'.
  
  Fixes #18776 #22382 #26480
  

• 99d5707f
  by sheaf at 2025-10-26T18:23:52-04:00

  Rename PatSyn MatchContext to PatSynCtx to avoid punning
  

• 5dc2e9ea
  by Julian Ospald at 2025-10-27T18:17:23-04:00

  Skip uniques test if sources are not available
  

• 544b9ec9
  by Vladislav Zavialov at 2025-10-27T18:18:06-04:00

  Re-export GHC.Hs.Basic from GHC.Hs
  
  Clean up some import sections in GHC by re-exporting GHC.Hs.Basic
  from GHC.Hs.
  

• 643ce801
  by Julian Ospald at 2025-10-28T18:18:55-04:00

  rts: remove unneccesary cabal flags
  
  We perform those checks via proper autoconf macros
  instead that do the right thing and then add those
  libs to the rts buildinfo.
  

• d69ea8fe
  by Vladislav Zavialov at 2025-10-28T18:19:37-04:00

  Test case for #17705
  
  Starting with GHC 9.12 (the first release to include 5745dbd3),
  all examples in this ticket are handled as expected.
  

• 4038a28b
  by Andreas Klebinger at 2025-10-30T12:38:52-04:00

  Add a perf test for #26425
  

• f997618e
  by Andreas Klebinger at 2025-10-30T12:38:52-04:00

  OccAnal: Be stricter for better compiler perf.
  
  In particular we are now stricter:
  
  * When combining usageDetails.
  * When computing binder info.
  
  In combineUsageDetails when combining the underlying adds we compute a
  new `LocalOcc` for each entry by combining the two existing ones.
  
  Rather than wait for those entries to be forced down the road we now
  force them immediately. Speeding up T26425 by about 10% with little
  effect on the common case.
  
  We also force binders we put into the Core AST everywhere now.
  Failure to do so risks leaking the occ env used to set the binders
  OccInfo.
  
  For T26425 compiler residency went down by a factor of ~10x.
  
  Compile time also improved by a factor of ~1.6.
  
  -------------------------
  Metric Decrease:
      T18698a
      T26425
      T9233
  -------------------------
  

• 5618645b
  by Vladislav Zavialov at 2025-10-30T12:39:33-04:00

  Fix namespace specifiers in subordinate exports (#12488)
  
  This patch fixes an oversight in the `lookupChildrenExport` function that
  caused explicit namespace specifiers of subordinate export items to be
  ignored:
  
    module M (T (type A)) where   -- should be rejected
    data T = A
  
  Based on the `IEWrappedName` data type, there are 5 cases to consider:
  1. Unadorned name:   P(X)
  2. Named default:    P(default X)
  3. Pattern synonym:  P(pattern X)
  4. Type name:        P(type X)
  5. Data name:        P(data X)
  
  Case 1 is already handled correctly; cases 2 and 3 are parse errors; and
  it is cases 4 and 5 that we are concerned with in this patch.
  
  Following the precedent established in `LookupExactName`, we introduce
  a boolean flag in `LookupChildren` to control whether to look up in all
  namespaces or in a specific one. If an export item is accompanied by an
  explicit namespace specifier `type` or `data`, we restrict the lookup in
  `lookupGRE` to a specific namespace.
  
  The newly introduced diagnostic `TcRnExportedSubordinateNotFound`
  provides error messages and suggestions more tailored to this context
  than the previously used `reportUnboundName`.
  

• f75ab223
  by Peter Trommler at 2025-10-31T18:43:13-04:00

  ghc-toolchain: detect PowerPC 64 bit ABI
  
  Check preprocessor macro defined for ABI v2 and assume v1 otherwise.
  Fixes #26521
  

• d086c474
  by Peter Trommler at 2025-10-31T18:43:13-04:00

  ghc-toolchain: refactor, move lastLine to Utils
  

• 995dfe0d
  by Vladislav Zavialov at 2025-10-31T18:43:54-04:00

  Tests for -Wduplicate-exports, -Wdodgy-exports
  
  Add test cases for the previously untested diagnostics:
  
    [GHC-51876] TcRnDupeModuleExport
    [GHC-64649] TcRnNullExportedModule
  
  This also revealed a typo (incorrect capitalization of "module") in the
  warning text for TcRnDupeModuleExport, which is now fixed.
  

• f6961b02
  by Cheng Shao at 2025-11-01T00:08:01+01:00

  wasm: reformat dyld source code
  
  This commit reformats dyld source code with prettier, to avoid
  introducing unnecessary diffs in subsequent patches when they're
  formatted before committing.
  

• 0c9032a0
  by Cheng Shao at 2025-11-01T00:08:01+01:00

  wasm: simplify _initialize logic in dyld
  
  This commit simplifies how we _initialize a wasm shared library in
  dyld and removes special treatment for libc.so, see added comment for
  detailed explanation.
  

• ec1b40bd
  by Cheng Shao at 2025-11-01T00:08:01+01:00

  wasm: support running dyld fully client side in the browser
  
  This commit refactors the wasm dyld script so that it can be used to
  load and run wasm shared libraries fully client-side in the browser
  without needing a wasm32-wasi-ghci backend:
  
  - A new `DyLDBrowserHost` class is exported, which runs in the browser
    and uses the in-memory vfs without any RPC calls. This meant to be
    used to create a `rpc` object for the fully client side use cases.
  - The exported `main` function now can be used to load user-specified
    shared libraries, and the user can use the returned `DyLD` instance
    to run their own exported Haskell functions.
  - The in-browser wasi implementation is switched to
    https://github.com/haskell-wasm/browser_wasi_shim for bugfixes and
    major performance improvements not landed upstream yet.
  - When being run by deno, it now correctly switches to non-nodejs code
    paths, so it's more convenient to test dyld logic with deno.
  
  See added comments for details, as well as the added `playground001`
  test case for an example of using it to build an in-browser Haskell
  playground.
  

• 8f3e481f
  by Cheng Shao at 2025-11-01T00:08:01+01:00

  testsuite: add playground001 to test haskell playground
  
  This commit adds the playground001 test case to test the haskell
  playground in browser, see comments for details.
  

• af40606a
  by Cheng Shao at 2025-11-01T00:08:04+01:00

  Revert "testsuite: add T26431 test case"
  
  This reverts commit 695036686f8c6d78611edf3ed627608d94def6b7. T26431
  is now retired, wasm ghc internal-interpreter logic is tested by
  playground001.
  

• 86c82745
  by Vladislav Zavialov at 2025-11-01T07:24:29-04:00

  Supplant TcRnExportHiddenComponents with TcRnDodgyExports (#26534)
  
  Remove a bogus special case in lookup_ie_kids_all,
  making TcRnExportHiddenComponents obsolete.
  

• fcf6331e
  by Richard Eisenberg at 2025-11-03T08:33:05+00:00

  Refactor fundep solving
  
  This commit is a large-scale refactor of the increasingly-messy code that
  handles functional dependencies.  It has virtually no effect on what compiles
  but improves error messages a bit.  And it does the groundwork for #23162.
  
  The big picture is described in
      Note [Overview of functional dependencies in type inference]
  in GHC.Tc.Solver.FunDeps
  
  * New module GHC.Tc.Solver.FunDeps contains all the fundep-handling
    code for the constraint solver.
  
  * Fundep-equalities are solved in a nested scope; they may generate
    unifications but otherwise have no other effect.
    See GHC.Tc.Solver.FunDeps.solveFunDeps
  
    The nested needs to start from the Givens in the inert set, but
    not the Wanteds; hence a new function `resetInertCans`, used in
    `nestFunDepsTcS`.
  
  * That in turn means that fundep equalities never show up in error
    messages, so the complicated FunDepOrigin tracking can all disappear.
  
  * We need to be careful about tracking unifications, so we kick out
    constraints from the inert set after doing unifications.  Unification
    tracking has been majorly reformed: see Note [WhatUnifications] in
    GHC.Tc.Utils.Unify.
  
    A good consequence is that the hard-to-grok `resetUnificationFlag`
    has been replaced with a simpler use of
    `reportCoarseGrainUnifications`
  
  Smaller things:
  
  * Rename `FunDepEqn` to `FunDepEqns` since it contains multiple
    type equalities.
  
  Some compile time improvement
  
  Metrics: compile_time/bytes allocated
                            Baseline
                    Test       value      New value Change
  ---------------------- --------------------------------------
           T5030(normal) 173,839,232    148,115,248 -14.8% GOOD
  hard_hole_fits(normal) 286,768,048    284,015,416  -1.0%
  
               geo. mean                             -0.2%
               minimum                              -14.8%
               maximum                               +0.3%
  
  Metric Decrease:
      T5030
  

• 231adc30
  by Simon Peyton Jones at 2025-11-03T08:33:05+00:00

  QuickLook's tcInstFun should make instantiation variables directly
  
  tcInstFun must make "instantiation variables", not regular
  unification variables, when instantiating function types. That was
  previously implemented by a hack: set the /ambient/ level to QLInstTyVar.
  
  But the hack finally bit me, when I was refactoring WhatUnifications.
  And it was always wrong: see the now-expunged (TCAPP2) note.
  
  This commit does it right, by making tcInstFun call its own
  instantiation functions.  That entails a small bit of duplication,
  but the result is much, much cleaner.
  

• 39d4a24b
  by Simon Peyton Jones at 2025-11-03T08:33:05+00:00

  Build implication for constraints from (static e)
  
  This commit addresses #26466, by buiding an implication for the
  constraints arising from a (static e) form.  The implication has
  a special ic_info field of StaticFormSkol, which tells the constraint
  solver to use an empty set of Givens.
  
  See (SF3) in Note [Grand plan for static forms]
  in GHC.Iface.Tidy.StaticPtrTable
  
  This commit also reinstates an `assert` in GHC.Tc.Solver.Equality.
  
  The test `StaticPtrTypeFamily` was failing with an assertion failure,
  but it now works.
  

• 2e2aec1e
  by Simon Peyton Jones at 2025-11-03T08:33:05+00:00

  Comments about defaulting representation equalities
  

• 52a4d1da
  by Simon Peyton Jones at 2025-11-03T08:33:05+00:00

  Improve tracking of rewriter-sets
  
  This refactor substantially improves the treatment of so-called
  "rewriter-sets" in the constraint solver.
  
  The story is described in the rewritten
     Note [Wanteds rewrite Wanteds: rewriter-sets]
  in GHC.Tc.Types.Constraint
  
  Some highlights
  
  * Trace the free coercion holes of a filled CoercionHole,
    in CoercionPlusHoles.  See Note [Coercion holes] (COH5)
  
    This avoids taking having to take the free coercion variables
    of a coercion when zonking a rewrriter-set
  
  * Many knock on changes
      * Make fillCoercionHole take CoercionPlusHoles as its argument
        rather than to separate arguments.
  
      * Similarly setEqIfWanted, setWantedE, wrapUnifierAndEmit.
  
      * Be more careful about passing the correct CoHoleSet to
        `rewriteEqEvidence` and friends
  
  * Make kickOurAfterFillingCoercionHole more clever. See
    new Note [Kick out after filling a coercion hole]
  
  Smaller matters
  
  * Rename RewriterSet to CoHoleSet
  * Add special-case helper `rewriteEqEvidenceSwapOnly`
  

• 3e78e1ba
  by Simon Peyton Jones at 2025-11-03T08:33:05+00:00

  Tidy up constraint solving for foralls
  
  * In `can_eq_nc_forall` make sure to track Givens that are used
    in the nested solve step.
  
  * Tiny missing-swap bug-fix in `lookup_eq_in_qcis`
  
  * Fix some leftover mess from
        commit 14123ee646f2b9738a917b7cec30f9d3941c13de
        Author: Simon Peyton Jones <simon.peytonjones@gmail.com>
        Date:   Wed Aug 20 00:35:48 2025 +0100
        Solve forall-constraints via an implication, again
    Specifically, trySolveImplication is now dead.
  

• 973f2c25
  by Simon Peyton Jones at 2025-11-03T08:33:05+00:00

  Do not treat CoercionHoles as free variables in coercions
  
  This fixes a long-standing wart in the free-variable finder;
  now CoercionHoles are no longer treated as a "free variable"
  of a coercion.
  
  I got big and unexpected performance regressions when making
  this change.  Turned out that CallArity didn't discover that
  the free variable finder could be eta-expanded, which gave very
  poor code.
  
  So I re-used Note [The one-shot state monad trick] for Endo,
  resulting in GHC.Utils.EndoOS.  Very simple, big win.
  

• c2b8a0f9
  by Simon Peyton Jones at 2025-11-03T08:33:05+00:00

  Update debug-tracing in CallArity
  
  No effect on behaviour, and commented out anyway
  

• 9aa5ee99
  by Simon Peyton Jones at 2025-11-03T08:33:28+00:00

  Comments only -- remove dangling Note references
  

• 6683f183
  by Simon Peyton Jones at 2025-11-03T08:33:28+00:00

  Accept error message wibbles
  

• 3ba3d9f9
  by Luite Stegeman at 2025-11-04T00:59:41-05:00

  rts: fix eager black holes: record mutated closure and fix assertion
  
  This fixes two problems with handling eager black holes, introduced
  by a1de535f762bc23d4cf23a5b1853591dda12cdc9.
  
  - the closure mutation must be recorded even for eager black holes,
    since the mutator has mutated it before calling threadPaused
  
  - The assertion that an unmarked eager black hole must be owned by
    the TSO calling threadPaused is incorrect, since multiple threads
    can race to claim the black hole.
  
  fixes #26495
  

• b5508f2c
  by Rodrigo Mesquita at 2025-11-04T14:10:56+00:00

  build: Relax ghc/ghc-boot Cabal bound to 3.16
  
  Fixes #26202
  

• c5b3541f
  by Rodrigo Mesquita at 2025-11-04T14:10:56+00:00

  cabal-reinstall: Use haddock-api +in-tree-ghc
  
  Fixes #26202
  

• c6d4b945
  by Rodrigo Mesquita at 2025-11-04T14:10:56+00:00

  cabal-reinstall: Pass --strict to Happy
  
  This is necessary to make the generated Parser build successfully
  This mimics Hadrian, which always passes --strict to happy.
  
  Fixes #26202
  

• 79df1e0e
  by Rodrigo Mesquita at 2025-11-04T14:10:56+00:00

  genprimopcode: Require higher happy version
  
  I've bumped the happy version to forbid deprecated Happy versions which
  don't successfully compile.
  

• fa5d33de
  by Simon Peyton Jones at 2025-11-05T08:35:40-05:00

  Add a HsWrapper optimiser
  
  This MR addresses #26349, by introduceing optSubTypeHsWrapper.
  There is a long
  
     Note [Deep subsumption and WpSubType]
  
  in GHC.Tc.Types.Evidence that explains what is going on.
  

• ea58cae5
  by Simon Peyton Jones at 2025-11-05T08:35:40-05:00

  Improve mkWpFun_FRR
  
  This commit ensures that `mkWpFun_FRR` directly produces a `FunCo` in
  the cases where it can.
  
  (Previously called `mkWpFun` which in turn optimised to a `FunCo`, but
  that made the smarts in `mkWpFun` /essential/ rather than (as they
  should be) optional.
  

• 5cdcfaed
  by Ben Gamari at 2025-11-06T09:01:36-05:00

  compiler: Exclude units with no exposed modules from unused package check
  
  Such packages cannot be "used" in the Haskell sense of the word yet
  are nevertheless necessary as they may provide, e.g., C object code or
  link flags.
  
  Fixes #24120.
  

• 74b8397a
  by Brandon Chinn at 2025-11-06T09:02:19-05:00

  Replace deprecated argparse.FileType
  

• 36ddf988
  by Ben Gamari at 2025-11-06T09:03:01-05:00

  Bump unix submodule to 2.8.8.0
  
  Closes #26474.
  

• c32b3a29
  by fendor at 2025-11-06T09:03:43-05:00

  Fix assertion in `postStringLen` to account for \0 byte
  
  We fix the assertion to handle trailing \0 bytes in `postStringLen`.
  Before this change, the assertion looked like this:
  
      ASSERT(eb->begin + eb->size > eb->pos + len + 1);
  
  Let's assume some values to see why this is actually off by one:
  
      eb->begin = 0
      eb->size  = 1
      eb->pos   = 0
  
      len       = 1
  
  then the assertion would trigger correctly:
  
      0 + 1 > 0 + 1 + 1 => 1 > 2 => false
  
  as there is not enough space for the \0 byte (which is the trailing +1).
  However, if we change `eb->size = 2`, then we do have enough space for a
  string of length 1, but the assertion still fails:
  
      0 + 2 > 0 + 1 + 1 => 2 > 2 => false
  
  Which causes the assertion to fail if there is exactly enough space for
  the string with a trailing \0 byte.
  
  Clearly, the assertion should be `>=`!
  If we switch around the operand, it should become more obvious that `<=`
  is the correct comparison:
  
      ASSERT(eb->pos + len + 1 <= eb->begin + eb->size);
  
  This is expresses more naturally that the current position plus the
  length of the string (and the null byte) must be smaller or equal to the
  overall size of the buffer.
  
  This change also is in line with the implementation in
  `hasRoomForEvent` and `hasRoomForVariableEvent`:
  
    ```
    StgBool hasRoomForEvent(EventsBuf *eb, EventTypeNum eNum)
    {
      uint32_t size = ...;
      if (eb->pos + size > eb->begin + eb->size)
      ...
    ```
  
  the check `eb->pos + size > eb->begin + eb->size` is identical to
  `eb->pos + size <= eb->begin + eb->size` plus a negation.
  

• 3034a6f2
  by Ben Gamari at 2025-11-06T09:04:24-05:00

  Bump os-string submodule to 2.0.8
  

• 39567e85
  by Cheng Shao at 2025-11-06T09:05:06-05:00

  rts: use computed goto for instruction dispatch in the bytecode interpreter
  
  This patch uses computed goto for instruction dispatch in the bytecode
  interpreter. Previously instruction dispatch is done by a classic
  switch loop, so executing the next instruction requires two jumps: one
  to the start of the switch loop and another to the case block based on
  the instruction tag. By using computed goto, we can build a jump table
  consisted of code addresses indexed by the instruction tags
  themselves, so executing the next instruction requires only one jump,
  to the destination directly fetched from the jump table.
  
  Closes #12953.
  

• 93fc7265
  by sheaf at 2025-11-06T21:33:24-05:00

  Correct hasFixedRuntimeRep in matchExpectedFunTys
  
  This commit fixes a bug in the representation-polymormorphism check in
  GHC.Tc.Utils.Unify.matchExpectedFunTys. The problem was that we put
  the coercion resulting from hasFixedRuntimeRep in the wrong place,
  leading to the Core Lint error reported in #26528.
  
  The change is that we have to be careful when using 'mkWpFun': it
  expects **both** the expected and actual argument types to have a
  syntactically fixed RuntimeRep, as explained in Note [WpFun-FRR-INVARIANT]
  in GHC.Tc.Types.Evidence.
  
  On the way, this patch improves some of the commentary relating to
  other usages of 'mkWpFun' in the compiler, in particular in the view
  pattern case of 'tc_pat'. No functional changes, but some stylistic
  changes to make the code more readable, and make it easier to understand
  how we are upholding the WpFun-FRR-INVARIANT.
  
  Fixes #26528
  

• c052c724
  by Simon Peyton Jones at 2025-11-06T21:34:06-05:00

  Fix a horrible shadowing bug in implicit parameters
  
  Fixes #26451.  The change is in GHC.Tc.Solver.Monad.updInertDicts
  where we now do /not/ delete /Wanted/ implicit-parameeter constraints.
  
  This bug has been in GHC since 9.8!  But it's quite hard to provoke;
  I contructed a tests in T26451, but it was hard to do so.
  

• b253013e
  by Georgios Karachalias at 2025-11-07T17:21:57-05:00

  Remove the `CoreBindings` constructor from `LinkablePart`
  
  Adjust HscRecompStatus to disallow unhydrated WholeCoreBindings
  from being passed as input to getLinkDeps (which would previously
  panic in this case).
  
  Fixes #26497
  

• ac7b737e
  by Sylvain Henry at 2025-11-07T17:22:51-05:00

  Testsuite: pass ext-interp test way (#26552)
  
  Note that some tests are still marked as broken with the ext-interp way
  (see #26552 and #14335)
  

• 3c2f4bb4
  by sheaf at 2025-11-11T11:47:28-05:00

  Preserve user-written kinds in data declarations
  
  This commit ensures that we preserve the user-written kind for data
  declarations, e.g. in
  
    type T2T = Type -> Type
    type D :: T2T
    data D a where { .. }
  
  that we preserve the user-written kind of D as 'T2T', instead of
  expanding the type synonym 'T2T' during kind checking.
  
  We do this by storing 'tyConKind' separately from 'tyConResKind'. This
  means that 'tyConKind' is not necessarily equal to
  'mkTyConKind binders res_kind', as e.g. in the above example the former
  is 'T2T' while the latter is 'Type -> Type'.
  
  This is explained in Note [Preserve user-written TyCon kind] in GHC.Core.TyCon.
  
  This is particularly important for Haddock, as the kinds stored in
  interface files affect the generated documentation, and we want to
  preserve the user-written types as much as possible.
  

• 19859584
  by sheaf at 2025-11-11T11:47:28-05:00

  Store user-written datacon tvs in interface files
  
  This commit ensures we store the user-written quantified type variables
  of data constructors in interface files, e.g. in
  
    data D a where
      MkD1 :: forall x. x -> D x
      MkD2 :: forall u v. u -> v -> D v
  
  The previous behaviour was to rename the universal variables to match
  the universal variables of the data constructor. This was undesirable
  because the names that end up in interface files end up mattering for
  generated Haddock documentation; it's better to preserve the user-written
  type variables.
  
  Moreover, the universal variables may not have been user-written at all,
  e.g. in an example such as:
  
    type T2T = Type -> Type
    data G :: T2T where
      MkG :: forall x. D x
  
  Here GHC will invent the type variable name 'a' for the first binder of
  the TyCon G. We really don't want to then rename the user-written 'x'
  into the generated 'a'.
  

• 034b2056
  by sheaf at 2025-11-11T11:47:28-05:00

  DataCon univ_tvs names: pick TyCon over inferred
  
  This commit changes how we compute the names of universal type variables
  in GADT data constructors. This augments the existing logic that chose
  which type variable name to use, in GHC.Tc.TyCl.mkGADTVars. We continue
  to prefer DataCon tv names for user-written binders, but we now prefer
  TyCon tv names for inferred (non-user-written) DataCon binders.
  
  This makes a difference in examples such as:
  
    type (:~~:) :: k1 -> k2 -> Type
    data a :~~: b where
      HRefl :: a :~~: a
  
  Before this patch, we ended up giving HRefl the type:
  
    forall {k2}. forall (a :: k2). a :~~: a
  
  whereas we now give it the type:
  
    forall {k1}. forall (a :: k1). a :~~: a
  
  The important part isn't really 'k1' or 'k2', but more that the inferred
  type variable names of the DataCon can be arbitrary/unpredictable (as
  they are chosen by GHC and depend on how unification proceeds), so it's
  much better to use the more predictable TyCon type variable names.
  

• 95078d00
  by sheaf at 2025-11-11T11:47:28-05:00

  Backpack Rename: use explicit record construction
  
  This commit updates the Backpack boilerplate in GHC.Iface.Rename to
  use explicit record construction rather than record update. This makes
  sure that the code stays up to date when the underlying constructors
  change (e.g. new fields are added). The rationale is further explained
  in Note [Prefer explicit record construction].
  

• 2bf36263
  by sheaf at 2025-11-11T11:47:28-05:00

  Store # eta binders in TyCon and use for Haddock
  
  This commit stores the number of TyCon binders that were introduced by
  eta-expansion (by the function GHC.Tc.Gen.HsType.splitTyConKind).
  
  This is then used to pretty-print the TyCon as the user wrote it, e.g.
  for
  
    type Effect :: (Type -> Type) -> Type -> Type
    data State s :: Effect where {..} -- arity 3
  
  GHC will eta-expand the data declaration to
  
    data State s a b where {..}
  
  but also store in the 'TyCon' that the number of binders introduced by
  this eta expansion is 2. This allows us, in
  'Haddock.Convert.synifyTyConKindSig', to recover the original user-written
  syntax, preserving the user's intent in Haddock documentation.
  
  See Note [Inline kind signatures with GADTSyntax] in Haddock.Convert.
  

• 6c91582f
  by Matthew Pickering at 2025-11-11T11:48:12-05:00

  driver: Properly handle errors during LinkNode steps
  
  Previously we were not properly catching errors during the LinkNode step
  (see T9930fail test).
  
  This is fixed by wrapping the `LinkNode` action in `wrapAction`, the
  same handler which is used for module compilation.
  
  Fixes #26496
  

• e1e1eb32
  by Matthew Pickering at 2025-11-11T11:48:54-05:00

  driver: Remove unecessary call to hscInsertHPT
  
  This call was left-over from e9445c013fbccf9318739ca3d095a3e0a2e1be8a
  
  If you follow the functions which call `upsweep_mod`, they immediately
  add the interface to the HomePackageTable when `upsweep_mod` returns.
  

• b22777d4
  by ARATA Mizuki at 2025-11-11T11:49:44-05:00

  LLVM backend: Pass the +evex512 attribute to LLVM 18+ if -mavx512f is set
  
  The newer LLVM requires the +evex512 attribute to enable use of ZMM registers.
  LLVM exhibits a backward-compatible behavior if the cpu is `x86-64`, but not if `penryn`.
  Therefore, on macOS, where the cpu is set to `penryn`, we need to explicitly pass +evex512.
  
  Fixes #26410
  

• 6ead7d06
  by Vladislav Zavialov at 2025-11-11T11:50:26-05:00

  Comments only in GHC.Parser.PostProcess.Haddock
  
  Remove outdated Note [Register keyword location], as the issue it describes
  was addressed by commit 05eb50dff2fcc78d025e77b9418ddb369db49b9f.
  

• 43fa8be8
  by sheaf at 2025-11-11T11:51:18-05:00

  localRegistersConflict: account for assignment LHS
  
  This commit fixes a serious oversight in GHC.Cmm.Sink.conflicts,
  specifically the code that computes which local registers conflict
  between an assignment and a Cmm statement.
  
  If we have:
  
    assignment: <local_reg> = <expr>
          node: <local_reg> = <other_expr>
  
  then clearly the two conflict, because we cannot move one statement past
  the other, as they assign two different values to the same local
  register. (Recall that 'conflicts (local_reg,expr) node' is False if and
  only if the assignment 'local_reg = expr' can be safely commuted past
  the statement 'node'.)
  
  The fix is to update 'GHC.Cmm.Sink.localRegistersConflict' to take into
  account the following two situations:
  
    (1) 'node' defines the LHS local register of the assignment,
    (2) 'node' defines a local register used in the RHS of the assignment.
  
  The bug is precisely that we were previously missing condition (1).
  
  Fixes #26550
  

• 79dfcfe0
  by sheaf at 2025-11-11T11:51:18-05:00

  Update assigned register format when spilling
  
  When we come to spilling a register to put new data into it, in
  GHC.CmmToAsm.Reg.Linear.allocRegsAndSpill_spill, we need to:
  
    1. Spill the data currently in the register. That is, do a spill
       with a format that matches what's currently in the register.
    2. Update the register assignment, allocating a virtual register to
       this real register, but crucially **updating the format** of this
       assignment.
  
  Due to shadowing in the Haskell code for allocRegsAndSpill_spill, we
  were mistakenly re-using the old format. This could lead to a situation
  where:
  
    a. We were using xmm6 to store a Double#.
    b. We want to store a DoubleX2# into xmm6, so we spill the current
       content of xmm6 to the stack using a scalar move (correct).
    c. We update the register assignment, but we fail to update the format
       of the assignment, so we continue to think that xmm6 stores a
       Double# and not a DoubleX2#.
    d. Later on, we need to spill xmm6 because it is getting clobbered by
       another instruction. We then decide to only spill the lower 64 bits
       of the register, because we still think that xmm6 only stores a
       Double# and not a DoubleX2#.
  
  Fixes #26542
  

• aada5db9
  by ARATA Mizuki at 2025-11-11T11:52:07-05:00

  Fix the order of spill/reload instructions
  
  The AArch64 NCG could emit multiple instructions for a single spill/reload,
  but their order was not consistent between the definition and a use.
  
  Fixes #26537
  
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  

• 64ec82ff
  by Andreas Klebinger at 2025-11-11T11:52:48-05:00

  Add hpc to release script
  

• 741da00c
  by Ben Gamari at 2025-11-12T03:38:20-05:00

  template-haskell: Better describe getQ semantics
  
  Clarify that the state is a type-indexed map, as suggested by #26484.

• 8b080e04
  by ARATA Mizuki at 2025-11-12T03:39:11-05:00

  Fix incorrect markups in the User's Guide
  
  * Correct markup for C--: "C-\-" in reST
  * Fix internal links
  * Fix code highlighting
  * Fix inline code: Use ``code`` rather than `code`
  * Remove extra backslashes
  
  Fixes #16812
  
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  

• a00840ea
  by Simon Peyton Jones at 2025-11-14T15:23:56+00:00

  Make TYPE and CONSTRAINT apart again
  
  This patch finally fixes #24279.
  
  * The story started with #11715
  
  * Then #21623 articulated a plan, which made Type and Constraint
    not-apart; a horrible hack but it worked. The main patch was
       commit 778c6adca2c995cd8a1b84394d4d5ca26b915dac
       Author: Simon Peyton Jones <simonpj@microsoft.com>
       Date:   Wed Nov 9 10:33:22 2022 +0000
  
       Type vs Constraint: finally nailed
  
  * #24279 reported a bug in the above big commit; this small patch fixes it
      commit af6932d6c068361c6ae300d52e72fbe13f8e1f18
      Author: Simon Peyton Jones <simon.peytonjones@gmail.com>
      Date:   Mon Jan 8 10:49:49 2024 +0000
  
      Make TYPE and CONSTRAINT not-apart
  
      Issue #24279 showed up a bug in the logic in GHC.Core.Unify.unify_ty
      which is supposed to make TYPE and CONSTRAINT be not-apart.
  
  * Then !10479 implemented "unary classes".
  
  * That change in turn allows us to make Type and Constraint apart again,
    cleaning up the compiler and allowing a little bit more expressiveness.
  
    It fixes the original hope in #24279, namely that `Type` and `Constraint`
    should be distinct throughout.
  

• c0a1e574
  by Georgios Karachalias at 2025-11-15T05:14:31-05:00

  Report all missing modules with -M
  
  We now report all missing modules at once in GHC.Driver.Makefile.processDeps,
  as opposed to only reporting a single missing module. Fixes #26551.
  

• c9fa3449
  by Sylvain Henry at 2025-11-15T05:15:26-05:00

  JS: fix array index for registers
  
  We used to store R32 in h$regs[-1]. While it's correct in JavaScript,
  fix this to store R32 in h$regs[0] instead.
  

• 9e469909
  by Sylvain Henry at 2025-11-15T05:15:26-05:00

  JS: support more than 128 registers (#26558)
  
   The JS backend only supported 128 registers (JS variables/array slots
   used to pass function arguments). It failed in T26537 when 129
   registers were required.
  
  This commit adds support for more than 128 registers: it is now limited to
  maxBound :: Int (compiler's Int). If we ever go above this threshold the
  compiler now panics with a more descriptive message.
  
  A few built-in JS functions were assuming 128 registers and have been
  rewritten to use loops. Note that loops are only used for "high"
  registers that are stored in an array: the 31 "low" registers are still
  handled with JS global variables and with explicit switch-cases to
  maintain good performance in the most common cases (i.e. few registers
  used). Adjusting the number of low registers is now easy: just one
  constant to adjust (GHC.StgToJS.Regs.lowRegsCount).
  
  No new test added: T26537 is used as a regression test instead.
  

• 0a64a78b
  by Sven Tennie at 2025-11-15T20:31:10-05:00

  AArch64: Simplify CmmAssign and CmmStore
  
  The special handling for floats was fake: The general case is always
  used. So, the additional code path isn't needed (and only adds
  complexity for the reader.)
  

• 15b311be
  by sheaf at 2025-11-15T20:32:02-05:00

  SimpleOpt: refactor & push coercions into lambdas
  
  This commit improves the simple optimiser (in GHC.Core.SimpleOpt)
  in a couple of ways:
  
    - The logic to push coercion lambdas is shored up.
  
      The function 'pushCoercionIntoLambda' used to be called in 'finish_app',
      but this meant we could not continue to optimise the program after
      performing this transformation.
  
      Now, we call 'pushCoercionIntoLambda' as part of 'simple_app'.
      Doing so can be important when dealing with unlifted newtypes,
      as explained in  Note [Desugaring unlifted newtypes].
  
    - The code is re-structured to avoid duplication and out-of-sync
      code paths.
  
      Now, 'simple_opt_expr' defers to 'simple_app' for the 'App', 'Var',
      'Cast' and 'Lam' cases. This means all the logic for those is
      centralised in a single place (e.g. the 'go_lam' helper function).
  
      To do this, the general structure is brought a bit closer to the
      full-blown simplifier, with a notion of 'continuation'
      (see 'SimpleContItem').
  
  This commit also modifies GHC.Core.Opt.Arity.pushCoercionIntoLambda to
  apply a substitution (a slight generalisation of its existing implementation).
  

• b33284c7
  by sheaf at 2025-11-15T20:32:02-05:00

  Improve typechecking of data constructors
  
  This commit changes the way in which we perform typecheck data
  constructors, in particular how we make multiplicities line up.
  
  Now, impedance matching occurs as part of the existing subsumption
  machinery. See the revamped Note [Typechecking data constructors] in
  GHC.Tc.Gen.App, as well as Note [Polymorphisation of linear fields]
  in GHC.Core.Multiplicity.
  
  This allows us to get rid of a fair amount of hacky code that was
  added with the introduction of LinearTypes; in particular the logic of
  GHC.Tc.Gen.Head.tcInferDataCon.
  
  -------------------------
  Metric Decrease:
      T10421
      T14766
      T15164
      T15703
      T19695
      T5642
      T9630
      WWRec
  -------------------------
  

• b6faf5d0
  by sheaf at 2025-11-15T20:32:02-05:00

  Handle unsaturated rep-poly newtypes
  
  This commit allows GHC to handle unsaturated occurrences of unlifted
  newtype constructors. The plan is detailed in
  Note [Eta-expanding rep-poly unlifted newtypes]
  in GHC.Tc.Utils.Concrete: for unsaturated unlifted newtypes, we perform
  the appropriate representation-polymorphism check in tcInstFun.
  

• 682bf979
  by Mike Pilgrem at 2025-11-16T16:44:14+00:00

  Fix #26293 Valid stack.yaml for hadrian
  

• acc70c3a
  by Simon Peyton Jones at 2025-11-18T16:21:20-05:00

  Fix a bug in defaulting
  
  Addresses #26582
  
  Defaulting was doing some unification but then failing to
  iterate. Silly.
  
  I discovered that the main solver was unnecessarily iterating even
  if there was a unification for an /outer/ unification variable, so
  I fixed that too.
  

• c12fa73e
  by Simon Peyton Jones at 2025-11-19T02:55:01-05:00

  Make PmLit be in Ord, and use it in Map
  
  This MR addresses #26514, by changing from
  
      data PmAltConSet = PACS !(UniqDSet ConLike) ![PmLit]
    to
      data PmAltConSet = PACS !(UniqDSet ConLike) !(Map PmLit PmLit)
  
  This matters when doing pattern-match overlap checking, when there
  is a very large set of patterns.  For most programs it makes
  no difference at all.
  
  For the N=5000 case of the repro case in #26514, compiler
  mutator time (with `-fno-code`) goes from 1.9s to 0.43s.
  
  All for the price for an Ord instance for PmLit
  

• 41b84f40
  by sheaf at 2025-11-19T02:55:52-05:00

  Add passing tests for #26311 and #26072
  
  This commit adds two tests cases that now pass since landing the changes
  to typechecking of data constructors in b33284c7.
  
  Fixes #26072 #26311
  

• 1faa758a
  by sheaf at 2025-11-19T02:55:52-05:00

  mkCast: weaken bad cast warning for multiplicity
  
  This commit weakens the warning message emitted when constructing a bad
  cast in mkCast to ignore multiplicity.
  
  Justification: since b33284c7, GHC uses sub-multiplicity coercions to
  typecheck data constructors. The coercion optimiser is free to discard
  these coercions, both for performance reasons, and because GHC's Core
  simplifier does not (yet) preserve linearity.
  We thus weaken 'mkCast' to use 'eqTypeIgnoringMultiplicity' instead of
  'eqType', to avoid getting many spurious warnings about mismatched
  multiplicities.
  

• 55eab80d
  by Sylvain Henry at 2025-11-20T17:33:13-05:00

  Build external interpreter program on demand (#24731)
  
  This patch teaches GHC how to build the external interpreter program
  when it is missing. As long as we have the `ghci` library, doing this is
  trivial so most of this patch is refactoring for doing it sanely.
  

• 08bbc028
  by Rodrigo Mesquita at 2025-11-20T17:33:54-05:00

  Add tests for #23973 and #26565
  
  These were fixed by 4af4f0f070f83f948e49ad5d7835fd91b8d3f0e6 in !10417
  

• 6b42232c
  by sheaf at 2025-11-20T17:34:35-05:00

  Mark T26410_ffi as fragile on Windows
  
  As seen in #26595, this test intermittently fails on Windows.
  This commit marks it as fragile, until we get around to fixing it.
  

• b7b7c049
  by Andrew Lelechenko at 2025-11-21T21:04:01+00:00

  Add nubOrd / nubOrdBy to Data.List and Data.List.NonEmpty
  
  As per https://github.com/haskell/core-libraries-committee/issues/336
  

• 352d5462
  by Marc Scholten at 2025-11-22T10:33:03-05:00

  Fix haddock test runner to handle UTF-8 output
  
  xhtml 3000.4.0.0 now produces UTF-8 output instead of escaping non-ASCII characters.
  
  When using --test-accept it previously wrote files in the wrong encoding
  because they have not been decoded properly when reading the files.
  

• 48a3ed57
  by Simon Peyton Jones at 2025-11-25T15:33:54+00:00

  Add a fast-path for args=[] to occAnalApp
  
  In the common case of having not arguments, occAnalApp
  was doing redundant work.
  

• 951e5ed9
  by Simon Peyton Jones at 2025-11-25T15:33:54+00:00

  Fix a performance hole in the occurrence analyser
  
  As #26425 showed, the clever stuff in
  
     Note [Occurrence analysis for join points]
  
  does a lot of duplication of usage details.  This patch
  improved matters with a little fancy footwork.  It is
  described in the new (W4) of the same Note.
  
  Compile-time allocations go down slightly. Here are the changes
  of +/- 0.5% or more:
  
      T13253(normal)    329,369,244    326,395,544  -0.9%
  T13253-spj(normal)     66,410,496     66,095,864  -0.5%
      T15630(normal)    129,797,200    128,663,136  -0.9%
     T15630a(normal)    129,212,408    128,027,560  -0.9%
      T16577(normal)  6,756,706,896  6,723,028,512  -0.5%
      T18282(normal)    128,462,070    125,808,584  -2.1% GOOD
     T18698a(normal)    208,418,305    202,037,336  -3.1% GOOD
      T18730(optasm)    136,981,756    136,208,136  -0.6%
      T18923(normal)     58,103,088     57,745,840  -0.6%
      T19695(normal)  1,386,306,272  1,365,609,416  -1.5%
      T26425(normal)  3,344,402,957  2,457,811,664 -26.5% GOOD
       T6048(optasm)     79,763,816     79,212,760  -0.7%
       T9020(optasm)    225,278,408    223,682,440  -0.7%
       T9961(normal)    303,810,717    300,729,168  -1.0% GOOD
  
           geo. mean                                -0.5%
           minimum                                 -26.5%
           maximum                                  +0.4%
  
  Metric Decrease:
      T18282
      T18698a
      T26425
      T9961
  

• f1959dfc
  by Simon Peyton Jones at 2025-11-26T11:58:07+00:00

  Remove a quadratic-cost assertion check in mkCoreApp
  
  See the new Note [Assertion checking in mkCoreApp]
  

• 98fa0d36
  by Simon Hengel at 2025-11-27T17:54:57-05:00

  Fix typo in docs/users_guide/exts/type_families.rst
  

• 5b97e5ce
  by Simon Hengel at 2025-11-27T17:55:37-05:00

  Fix broken RankNTypes example in user's guide
  

• fa2aaa00
  by Simon Peyton Jones at 2025-11-27T17:56:18-05:00

  Switch off specialisation in ExactPrint
  
  In !15057 (where we re-introduced -fpolymoprhic-specialisation) we found
  that ExactPrint's compile time blew up by a factor of 5.  It turned out
  to be caused by bazillions of specialisations of `markAnnotated`.
  
  Since ExactPrint isn't perf-critical, it does not seem worth taking
  the performance hit, so this patch switches off specialisation in
  this one module.
  

• 1fd25987
  by Simon Peyton Jones at 2025-11-27T17:56:18-05:00

  Switch -fpolymorphic-specialisation on by default
  
  This patch addresses #23559.
  
  Now that !10479 has landed and #26329 is fixed, we can switch on
  polymorphic specialisation by default, addressing a bunch of other
  tickets listed in #23559.
  
  Metric changes:
    * CoOpt_Singleton: +4% compiler allocations: we just get more
      specialisations
  
    * info_table_map_perf: -20% decrease in compiler allocations.
      This is caused by using -fno-specialise in ExactPrint.hs
      Without that change we get a 4x blow-up in compile time;
      see !15058 for details
  
  Metric Decrease:
      info_table_map_perf
  Metric Increase:
      CoOpt_Singletons
  

• b7fe7445
  by Matthew Pickering at 2025-11-27T17:56:59-05:00

  rts: Fix a deadlock with eventlog flush interval and RTS shutdown
  
  The ghc_ticker thread attempts to flush at the eventlog tick interval, this requires
  waiting to take all capabilities.
  
  At the same time, the main thread is shutting down, the schedule is
  stopped and then we wait for the ticker thread to finish.
  
  Therefore we are deadlocked.
  
  The solution is to use `newBoundTask/exitMyTask`, so that flushing can
  cooperate with the scheduler shutdown.
  
  Fixes #26573
  

• 1d4a1229
  by sheaf at 2025-11-27T17:58:02-05:00

  SimpleOpt: don't subst in pushCoercionIntoLambda
  
  It was noticed in #26589 that the change in 15b311be was incorrect:
  the simple optimiser carries two different substitution-like pieces of
  information: 'soe_subst' (from InVar to OutExpr) and 'soe_inl'
  (from InId to InExpr). It is thus incorrect to have 'pushCoercionIntoLambda'
  apply the substitution from 'soe_subst' while discarding 'soe_inl'
  entirely, which is what was done in 15b311be.
  
  Instead, we change back pushCoercionIntoLambda to take an InScopeSet,
  and optimise the lambda before calling 'pushCoercionIntoLambda' to avoid
  mixing InExpr with OutExpr, or mixing two InExpr with different
  environments. We can then call 'soeZapSubst' without problems.
  
  Fixes #26588 #26589
  

• 84a087d5
  by Sylvain Henry at 2025-11-28T17:35:28-05:00

  Fix PIC jump tables on Windows (#24016)
  
  Avoid overflows in jump tables by using a base label closer to the jump
  targets. See added Note [Jump tables]
  

• 82db7042
  by Zubin Duggal at 2025-11-28T17:36:10-05:00

  rts/linker/PEi386: Copy strings before they are inserted into LoadedDllCache. The original strings are temporary and might be freed at an arbitrary point.
  
  Fixes #26613
  

• ff3f0d09
  by Ben Gamari at 2025-11-29T18:34:28-05:00

  gitlab-ci: Run ghcup-metadata jobs on OpenCape runners
  
  This significantly reduces our egress traffic
  and makes the jobs significantly faster.

• ef0dc33b
  by Matthew Pickering at 2025-11-29T18:35:10-05:00

  Use 'OsPath' in getModificationTimeIfExists
  
  This part of the compiler is quite hot during recompilation checking in
  particular since the filepaths will be translated to a string. It is
  better to use the 'OsPath' native function, which turns out to be easy
  to do.
  

• fa3bd0a6
  by Georgios Karachalias at 2025-11-29T18:36:05-05:00

  Use OsPath in PkgDbRef and UnitDatabase, not FilePath
  

• 0d7c05ec
  by Ben Gamari at 2025-12-01T03:13:46-05:00

  hadrian: Place user options after package arguments
  
  This makes it easier for the user to override the default package
  arguments with `UserSettings.hs`.
  
  Fixes #25821.
  
  -------------------------
  Metric Decrease:
      T14697
  -------------------------
  

• 3b2c4598
  by Vladislav Zavialov at 2025-12-01T03:14:29-05:00

  Namespace-specified wildcards in import/export lists (#25901)
  
  This change adds support for top-level namespace-specified wildcards
  `type ..` and `data ..` to import and export lists.
  
  Examples:
    import M (type ..) -- imports all type and class constructors from M
    import M (data ..) -- imports all data constructors and terms from M
    module M (type .., f) where
      -- exports all type and class constructors defined in M,
      -- plus the function 'f'
  
  The primary intended usage of this feature is in combination with module
  aliases, allowing namespace disambiguation:
    import Data.Proxy as T (type ..)  -- T.Proxy is unambiguously the type constructor
    import Data.Proxy as D (data ..)  -- D.Proxy is unambiguously the data constructor
  
  The patch accounts for the interactions of wildcards with:
  * Imports with `hiding` clauses
  * Import warnings -Wunused-imports, -Wdodgy-imports
  * Export warnings -Wduplicate-exports, -Wdodgy-exports
  
  Summary of the changes:
  
  1. Move the NamespaceSpecifier type from GHC.Hs.Binds to GHC.Hs.Basic,
     making it possible to use it in more places in the AST.
  
  2. Extend the AST (type: IE) with a representation of `..`, `type ..`,
     and `data ..` (constructor: IEWholeNamespace). Per the proposal, the
     plain `..` is always rejected with a dedicated error message.
  
  3. Extend the grammar in Parser.y with productions for `..`, `type ..`,
     and `data ..` in both import and export lists.
  
  4. Implement wildcard imports by updating the `filterImports` function
     in GHC.Rename.Names; the logic for IEWholeNamespace is roughly
     modeled after the Nothing (no explicit import list) case.
  
  5. Implement wildcard exports by updating the `exports_from_avail`
     function in GHC.Tc.Gen.Export; the logic for IEWholeNamespace is
     closely modeled after the IEModuleContents case.
  
  6. Refactor and extend diagnostics to report the new warnings and
     errors. See PsErrPlainWildcardImport, DodgyImportsWildcard,
                 PsErrPlainWildcardExport, DodgyExportsWildcard,
                 TcRnDupeWildcardExport.
  
  Note that this patch is specifically about top-level import/export
  items. Subordinate import/export items are left unchanged.
  

• c71faa76
  by Luite Stegeman at 2025-12-01T03:16:05-05:00

  rts: Handle overflow of ELF section header string table
  
  If the section header string table is stored in a section greater
  than or equal to SHN_LORESERVE (0xff00), the 16-bit field e_shstrndx
  in the ELF header does not contain the section number, but rather
  an overflow value SHN_XINDEX (0xffff) indicating that we need to look
  elsewhere.
  
  This fixes the linker by not using e_shstrndx directly but calling
  elf_shstrndx, which correctly handles the SHN_XINDEX value.
  
  Fixes #26603
  

• ab20eb54
  by Mike Pilgrem at 2025-12-01T22:46:55+00:00

  Re CLC issue 292 Warn GHC.Internal.List.{init,last} are partial
  
  Also corrects the warning for `tail` to refer to `Data.List.uncons` (like the existing warning for `head`).
  
  In module `Settings.Warnings`, applies `-Wno-x-partial` to the `filepath`, and `parsec` packages (outside GHC's repository).
  
  Also bumps submodules.
  

• fc1d7f79
  by Jade Lovelace at 2025-12-02T11:04:09-05:00

  docs: fix StandaloneKindSignatures in DataKinds docs
  
  These should be `type` as otherwise GHC reports a duplicate definition
  error.
  

• beae879b
  by Rodrigo Mesquita at 2025-12-03T15:42:37+01:00

  task: Substitute some datatypes for newtypes
  
  * Substitutes some data type declarations for newtype declarations
  * Adds comment to `LlvmConfigCache`, which must decidedly not be a
    newtype.
  
  Fixes #23555
  

• 3bd7dd44
  by mangoiv at 2025-12-04T04:36:45-05:00

  Renamer: reinstate the template haskell level check in notFound
  
  Out-of-scope names might be caused by a staging error, as is explained by
  Note [Out of scope might be a staging error] in GHC.Tc.Utils.Env.hs.
  This logic was assumed to be dead code after 217caad1 and has thus been
  removed. This commit reintroduces it and thus fixes issue #26099.
  

• 0318010b
  by Zubin Duggal at 2025-12-04T04:37:27-05:00

  testlib: Optionally include the way name in the expected output file
  
  This allows us to have different outputs for different ways.
  

• 6d945fdd
  by Zubin Duggal at 2025-12-04T04:37:27-05:00

  testsuite: Accept output of tests failing in ext-interp way due to differing compilation requirements
  
  Fixes #26552
  

• 0ffc5243
  by Cheng Shao at 2025-12-04T04:38:09-05:00

  devx: minor fixes for compile_flags.txt
  
  This patch includes minor fixes for compile_flags.txt to improve
  developer experience when using clangd as language server to hack on
  RTS C sources:
  
  - Ensure `-fPIC` is passed and `__PIC__` is defined, to be coherent
    with `-DDYNAMIC` and ensure the `__PIC__` guarded code paths are
    indexed
  - Add the missing `-DRtsWay` definition, otherwise a few source files
    like `RtsUtils.c` and `Trace.c` would produce clangd errors
  

• e36a5fcb
  by Matthew Pickering at 2025-12-05T16:25:57-05:00

  Add support for building bytecode libraries
  
  A bytecode library is a collection of bytecode files (.gbc) and a
  library which combines together additional object files.
  
  A bytecode library is created by invoking GHC with the `-bytecodelib`
  flag.
  
  A library can be created from in-memory `ModuleByteCode` linkables or
  by passing `.gbc` files as arguments on the command line.
  
  Fixes #26298
  

• 8f9ae339
  by Matthew Pickering at 2025-12-05T16:25:57-05:00

  Load bytecode libraries to satisfy package dependencies
  
  This commit allows you to use a bytecode library to satisfy a package
  dependency when using the interpreter.
  
  If a user enables `-fprefer-byte-code`, then if a package provides a
  bytecode library, that will be loaded and used to satisfy the
  dependency.
  
  The main change is to separate the relevant parts of the `LoaderState`
  into external and home package byte code. Bytecode is loaded into either
  the home package or external part (similar to HPT/EPS split), HPT
  bytecode can be unloaded. External bytecode is never unloaded.
  
  The unload function has also only been called with an empty list of
  "stable linkables" for a long time. It has been modified to directly
  implement a complete unloading of the home package bytecode linkables.
  
  At the moment, the bytecode libraries are found in the "library-dirs"
  field from the package description. In the future when `Cabal`
  implements support for "bytecode-library-dirs" field, we can read the
  bytecode libraries from there. No changes to the Cabal submodule are
  necessary at the moment.
  
  Four new tests are added in testsuite/tests/cabal, which generate fake
  package descriptions and test loading the libraries into GHCi.
  
  Fixes #26298
  

• 54458ce4
  by mangoiv at 2025-12-05T16:26:50-05:00

  ExplicitLevelImports: improve documentation of the code
  
  - more explicit names for variable names like `flg` or `topLevel`
  - don't pass the same value twice to functions
  - some explanations of interesting but undocumented code paths
  - adjust comment to not mention non-existent error message
  

• c7061392
  by mangoiv at 2025-12-05T16:27:42-05:00

  driver: don't expect nodes to exist when checking paths between them
  
  In `mgQueryZero`, previously node lookups were expected to never fail,
  i.e. it was expected that when calculating the path between two nodes in
  a zero level import graph, both nodes would always exist. This is not
  the case, e.g. in some situations involving exact names (see the
  test-case). The fix is to first check whether the node is present in the
  graph at all, instead of panicking, just to report that there is no
  path.
  
  Closes #26568
  

• d6cf8463
  by Peng Fan at 2025-12-06T11:06:28-05:00

  NCG/LA64: Simplify genCCall into two parts
  
  genCCall is too long, so it's been simplified into two parts:
  genPrim and genLibCCall.
  
  Suggested by Andreas Klebinger
  

• 9d371d23
  by Matthew Pickering at 2025-12-06T11:07:09-05:00

  hadrian: Use a response file to invoke GHC for dep gathering.
  
  In some cases we construct an argument list too long for GHC to
  handle directly on windows. This happens when we generate
  the dependency file because the command line will contain
  references to a large number of .hs files.
  
  To avoid this we now invoke GHC using a response file when
  generating dependencies to sidestep length limitations.
  
  Note that we only pass the actual file names in the dependency
  file. Why? Because this side-steps #26560
  

• 0043bfb0
  by Marc Scholten at 2025-12-06T11:08:03-05:00

  update xhtml to 3000.4.0.0
  
  haddock-api: bump xhtml bounds
  
  haddock-api: use lazy text instead of string to support xhtml 3000.4.0.0
  
  Bumping submodule xhtml to 3000.4.0.0
  
  add xhtml to stage0Packages
  
  remove unused import of writeUtf8File
  
  Remove redundant import
  
  Update haddock golden files for xhtml 3000.4.0.0
  
  Metric Decrease:
      haddock.Cabal
      haddock.base
  

• fc958fc9
  by Julian Ospald at 2025-12-06T11:08:53-05:00

  rts: Fix object file format detection in loadArchive
  
  Commit 76d1041dfa4b96108cfdd22b07f2b3feb424dcbe seems to
  have introduced this bug, ultimately leading to failure of
  test T11788. I can only theorize that this test isn't run
  in upstream's CI, because they don't build a static GHC.
  
  The culprit is that we go through the thin archive, trying
  to follow the members on the filesystem, but don't
  re-identify the new object format of the member. This pins
  `object_fmt` to `NotObject` from the thin archive.
  
  Thanks to @angerman for spotting this.
  

• 0f297f6e
  by mangoiv at 2025-12-06T11:09:44-05:00

  users' guide: don't use f strings in the python script to ensure compatibility with python 3.5
  

• 3bfe7aa2
  by Matthew Pickering at 2025-12-07T12:18:57-05:00

  ci: Try using multi repl in ghc-in-ghci test
  
  This should be quite a bit faster than the ./hadrian/ghci command as it
  doesn't properly build all the dependencies.
  

• 2ef1601a
  by Rodrigo Mesquita at 2025-12-07T12:19:38-05:00

  Stack.Decode: Don't error on bitmap size 0
  
  A RET_BCO may have a bitmap with no payload.
  In that case, the bitmap = 0.
  
  One can observe this by using -ddump-bcos and interpreting
  
  ```
  main = pure ()
  ```
  
  Observe, for instance, that the BCO for this main function has size 0:
  
  ```
  ProtoBCO Main.main#0:
     \u []
         break<main:Main,0>() GHC.Internal.Base.pure
                                  GHC.Internal.Base.$fApplicativeIO GHC.Internal.Tuple.()
     bitmap:  0 []
     BRK_FUN <breakarray> main:Main 0 <cc>
     PACK     () 0
     PUSH_G   GHC.Internal.Base.$fApplicativeIO
     PUSH_APPLY_PP
     PUSH_G   GHC.Internal.Base.pure
     ENTER
  ```
  
  Perhaps we never tried to decode a stack in which a BCO like this was
  present. However, for the debugger, we want to decode stacks of threads
  stopped at breakpoints, and these kind of BCOs do get on a stack under
  e.g. `stg_apply_interp_info` frames.
  
  See the accompanying test in the next commit for an example to trigger
  the bug this commit fixes.
  
  Fixes #26640
  

• 747153d2
  by Rodrigo Mesquita at 2025-12-07T12:19:38-05:00

  Add test for #26640
  

• d4b1e353
  by Simon Hengel at 2025-12-10T00:00:02-05:00

  Fix syntax error in gadt_syntax.rst

• 91cc8be6
  by Cheng Shao at 2025-12-10T00:00:43-05:00

  ci: fix "ci.sh clean" to address frequent out of space error on windows runners
  
  This patch fixes the `ci.sh clean` logic to address frequent out of
  space error on windows runners; previously it didn't clean up the
  inplace mingw blobs, which is the largest source of space leak on
  windows runners. See added comment for detailed explanation.
  

• fe2b79f4
  by Recursion Ninja at 2025-12-10T08:34:18-05:00

  Narrow before optimising MUL/DIV/REM into shifts
  
  The MUL/DIV/REM operations can be optimised into shifts when one of the
  operands is a constant power of 2. However, as literals in Cmm are
  stored as 'Integer', for this to be correct we first need to narrow the
  literal to the appropriate width before checking whether the literal is
  a power of 2.
  
  Fixes #25664
  

• 06c2349c
  by Recursion Ninja at 2025-12-10T08:34:58-05:00

  Decouple 'Language.Haskell.Syntax.Type' from 'GHC.Utils.Panic'
  
    - Remove the *original* defintion of 'hsQTvExplicit' defined within 'Language.Haskell.Syntax.Type'
  
    - Redefine 'hsQTvExplicit' as 'hsq_explicit' specialized to 'GhcPass' exported by 'GHC.Utils.Panic'
  
    - Define 'hsQTvExplicitBinders' as 'hsq_explicit' specialized to 'DocNameI' exported by 'Haddock.GhcUtils'.
  
    - Replace all call sites of the original 'hsQTvExplicit' definition with either:
      1. 'hsQTvExplicit' updated definition
      2. 'hsQTvExplicitBinders'
  
  All call sites never entered the 'XLHsQTyVars' constructor branch, but a call to 'panic' existed on this code path because the type system was not strong enought to guarantee that the 'XLHsQTyVars' construction was impossible.
  These two specialized functions provide the type system with enough information to make that guarantee, and hence the dependancy on 'panic' can be removed.
  

• ac0815d5
  by sheaf at 2025-12-10T23:39:57-05:00

  Quantify arg before mult in function arrows
  
  As noted in #23764, we expect quantification order to be left-to-right,
  so that in a type such as
  
    a %m -> b
  
  the inferred quantification order should be [a, m, b] and not [m, a, b].
  
  This was addressed in commit d31fbf6c, but that commit failed to update
  some other functions such as GHC.Core.TyCo.FVs.tyCoFVsOfType.
  
  This affects Haddock, as whether we print an explicit forall or not
  depends on whether the inferred quantification order matches the actual
  quantification order.
  

• 2caf796e
  by sheaf at 2025-12-10T23:39:57-05:00

  Haddock: improvements to ty-var quantification
  
  This commit makes several improvements to how Haddock deals with the
  quantification of type variables:
  
    1. In pattern synonyms, Haddock used to jumble up universal and
       existential quantification. That is now fixed, fixing #26252.
  
       Tested in the 'PatternSyns2' haddock-html test.
  
    2. The logic for computing whether to use an explicit kind annotation
       for a type variable quantified in a forall was not even wrong.
       This commit improves the heuristic, but it will always remain an
       imperfect heuristic (lest we actually run kind inference again).
       In the future (#26271), we hope to avoid reliance on this heuristic.
  

• b14bdd59
  by Teo Camarasu at 2025-12-10T23:40:38-05:00

  Add explicit export list to GHC.Num
  
  Let's make clear what this module exports to allow us to easily deprecate and remove some of these in the future. Resolves https://gitlab.haskell.org/ghc/ghc/-/issues/26625
  

• d99f8326
  by Cheng Shao at 2025-12-11T19:14:18-05:00

  compiler: remove unused CPP code in foreign stub
  
  This patch removes unused CPP code in the generated foreign stub:
  
  - `#define IN_STG_CODE 0` is not needed, since `Rts.h` already
    includes this definition
  - The `if defined(__cplusplus)` code paths are not needed in the `.c`
    file, since we don't generate C++ stubs and don't include C++
    headers in our stubs. But it still needs to be present in the `.h`
    header since it might be later included into C++ source files.
  

• 46c9746f
  by Cheng Shao at 2025-12-11T19:14:57-05:00

  configure: bump LlvmMaxVersion to 22
  
  This commit bumps LlvmMaxVersion to 22; 21.x releases have been
  available since Aug 26th, 2025 and there's no regressions with 21.x so
  far. This bump is also required for updating fedora image to 43.
  

• 96fce8d0
  by Cheng Shao at 2025-12-12T01:17:51+01:00

  hadrian: add support for building with UndefinedBehaviorSanitizer
  
  This patch adds a +ubsan flavour transformer to hadrian to build all
  stage1+ C/C++ code with UndefinedBehaviorSanitizer. This is
  particularly useful to catch potential undefined behavior in the RTS
  codebase.
  

• f7a06d8c
  by Cheng Shao at 2025-12-12T01:17:51+01:00

  ci: update alpine/fedora & add ubsan job
  
  This patch updates alpine image to 3.23, fedora image to 43, and adds
  a `x86_64-linux-fedora43-validate+debug_info+ubsan` job that's run in
  validate/nightly pipelines to catch undefined behavior in the RTS
  codebase.
  

• 2ccd11ca
  by Cheng Shao at 2025-12-12T01:17:51+01:00

  rts: fix zero-length VLA undefined behavior in interpretBCO
  
  This commit fixes a zero-length VLA undefined behavior in interpretBCO, caught by UBSan:
  
  ```
  +rts/Interpreter.c:3133:19: runtime variable length array bound evaluates to non-positive value 0
  ```
  

• 4156ed19
  by Cheng Shao at 2025-12-12T01:17:51+01:00

  rts: fix unaligned ReadSpB in interpretBCO
  
  This commit fixes unaligned ReadSpB in interpretBCO, caught by UBSan:
  
  ```
  +rts/Interpreter.c:2174:64: runtime load of misaligned address 0x004202059dd1 for type 'StgWord', which requires 8 byte alignment
  ```
  
  To perform proper unaligned read, we define StgUnalignedWord as a type
  alias of StgWord with aligned(1) attribute, and load StgUnalignedWord
  instead of StgWord in ReadSpB, so the C compiler is aware that we're
  not loading with natural alignment.
  

• fef89fb9
  by Cheng Shao at 2025-12-12T01:17:51+01:00

  rts: fix signed integer overflow in subword arithmetic in interpretBCO
  
  This commit fixes signed integer overflow in subword arithmetic in
  interpretBCO, see added note for detailed explanation.
  

• 3c001377
  by Cheng Shao at 2025-12-13T05:03:15-05:00

  ci: use treeless fetch for perf notes
  
  This patch improves the ci logic for fetching perf notes by using
  treeless fetch
  (https://github.blog/open-source/git/get-up-to-speed-with-partial-clone-and-shallow-clone),
  to avoid downloading all blobs of the perf notes repo at once, and
  only fetch the actually required blobs on-demand when needed. This
  makes the initial `test-metrics.sh pull` operation much faster, and
  also more robust, since we are seeing an increasing rate of 504 errors
  in CI when fetching all perf notes at once, which is a major source of
  CI flakiness at this point.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 123a8d77
  by Peter Trommler at 2025-12-13T05:03:57-05:00

  Cmm: remove restriction in MachOp folding
  

• 0b54b5fd
  by Andreas Klebinger at 2025-12-13T05:04:38-05:00

  Remove explicit Typeable deriviations.
  

• 08b13f7b
  by Cheng Shao at 2025-12-13T05:05:18-05:00

  ci: set gc.auto=0 during setup stage
  
  This patch sets `gc.auto=0` during `setup` stage of CI, see added
  comment for detailed explanation.
  

• 3b5aecb5
  by Ben Gamari at 2025-12-13T23:43:10+01:00

  Bump exceptions submodule to 0.10.11
  

• c32de3b0
  by Johan Förberg at 2025-12-15T02:36:03-05:00

  base: Define Semigroup and Monoid instances for lazy ST
  
  CLC proposal:
  https://github.com/haskell/core-libraries-committee/issues/374
  
  Fixes #26581
  

• 4f8b660c
  by mangoiv at 2025-12-15T02:37:05-05:00

  ci: do not require nightly cabal-reinstall job to succeed
  

• 2c2a3ef3
  by Cheng Shao at 2025-12-15T11:51:53-05:00

  docs: drop obsolete warning about -fexternal-interpreter on windows
  
  This patch drops an obsolete warning about -fexternal-interpreter not
  supported on windows; it is supported since a long time ago, including
  the profiled way.
  

• 68573aa5
  by Marc Scholten at 2025-12-15T11:53:00-05:00

  haddock: Drop Haddock.Backends.HaddockDB as it's unused
  

• b230d549
  by mangoiv at 2025-12-16T15:17:45-05:00

  base: generalize delete{Firsts,}By
  
  When we delete{Firsts,}By we should not require the
  lists to be  the same type. This is an especially useful
  generalisation in the case of deleteFirstsBy because we
  can skip an invocation of the map function.
  
  This change was discussed on the core-libraries-committee's bug
  tracker at https://github.com/haskell/core-libraries-committee/issues/372.
  

• 6a2b43e3
  by Cheng Shao at 2025-12-16T15:18:30-05:00

  compiler: clean up redundant LANGUAGE pragmas
  
  This patch bumps `default-language` of `ghc`/`ghc-bin` from `GHC2021`
  to `GHC2024` (which is supported in ghc 9.10, current boot ghc lower
  version bound), and also cleans up redundant `LANGUAGE` pragmas (as
  well as `default-extensions`/`other-extensions`) that are already
  implied by `GHC2024`.
  
  Co-authored-by: Codex <codex@openai.com>
  

• fca9cd7c
  by sheaf at 2025-12-18T13:18:18-05:00

  X86 CodeGen: fix assign_eax_sse_regs
  
  We must set %al to the number of SSE2 registers that contain arguments
  (in case we are dealing with a varargs function). The logic for counting
  how many arguments reside in SSE2 registers was incorrect, as it used
  'isFloatFormat', which incorrectly ignores vector registers.
  
  We now instead do case analysis on the register class:
  
    is_sse_reg r =
      case targetClassOfReg platform r of
        RcFloatOrVector -> True
        RcInteger       -> False
  
  This change is necessary to prevent segfaults in T20030_test1j, because
  subsequent commits change the format calculations, resulting in vector
  formats more often.
  

• 53150617
  by sheaf at 2025-12-18T13:18:19-05:00

  X86 regUsageOfInstr: fix format for IMUL
  
  When used with 8-bit operands, the IMUL instruction returns the result
  in the lower 16 bits of %rax (also known as %ax). This is different
  than for the other sizes, where an input at 16, 32 or 64 bits will
  result in 16, 32 or 64 bits of output in both %rax and %rdx.
  
  This doesn't affect the behaviour of the compiler, because we don't
  allow partial writes at sub-word sizes. The rationale is explained
  in Wrinkle [Don't allow scalar partial writes] in Note [Register formats in liveness analysis],
  in GHC.CmmToAsm.Reg.Liveness.
  

• c7a56dd1
  by sheaf at 2025-12-18T13:18:19-05:00

  Liveness analysis: consider register formats
  
  This commit updates the register allocator to be a bit more careful in
  situations in which a single register is used at multiple different
  formats, e.g. when xmm1 is used both to store a Double# and a DoubleX2#.
  
  This is done by introducing the 'Regs' newtype around 'UniqSet RegWithFormat',
  for which the combining operations take the larger of the two formats
  instead of overriding the format.
  
  Operations on 'Regs' are defined in 'GHC.CmmToAsm.Reg.Regs'. There is
  a modest compile-time cost for the additional overhead for tracking
  register formats, which causes the metric increases of this commit.
  
  The subtle aspects of the implementation are outlined in
  Note [Register formats in liveness analysis] in GHC.CmmToAsm.Reg.Liveness.
  
  Fixes #26411 #26611
  
  -------------------------
  Metric Increase:
      T12707
      T26425
      T3294
  -------------------------
  

• c2e83339
  by sheaf at 2025-12-18T13:18:19-05:00

  Register allocator: reload at same format as spill
  
  This commit ensures that if we spill a register onto the stack at a
  given format, we then always reload the register at this same format.
  
  This ensures we don't end up in a situation where we spill F64x2 but end
  up only reloading the lower F64. This first reload would make us believe
  the whole data is in a register, thus silently losing the upper 64 bits
  of the spilled register's contents.
  
  Fixes #26526
  

• 55ab583b
  by sheaf at 2025-12-18T13:18:19-05:00

  Register allocation: writes redefine format
  
  As explained in Note [Allocated register formats] in GHC.CmmToAsm.Reg.Linear,
  we consider all writes to redefine the format of the register.
  
  This ensures that in a situation such as
  
    movsd .Ln6m(%rip),%v1
    shufpd $0,%v1,%v1
  
  we properly consider the broadcast operation to change the format of %v1
  from F64 to F64x2.
  
  This completes the fix to #26411 (test in T26411b).
  

• 951402ed
  by Vladislav Zavialov at 2025-12-18T13:19:05-05:00

  Parser: improve mkModuleImpExp, remove checkImportSpec
  
  1. The `mkModuleImpExp` helper now knows whether it is processing an import or
     export list item, and uses this information to produce a more accurate error
     message for `import M (T(..,x))` with PatternSynonyms disabled.
     The old message incorrectly referred to this case as an export form.
  
  2. The `checkImportSpec` helper is removed in favor of more comprehensive error
     checking in `mkModuleImpExp`.
  
  3. Additionaly, the invariants of `ImpExpList` and `ImpExpAllWith` have been
     made more explicit in the comments and assertions (calls to 'panic').
  
  Test case: import-syntax-no-ext
  

• 47d83d96
  by Vladislav Zavialov at 2025-12-18T13:19:06-05:00

  Subordinate namespace-specified wildcards (#25901)
  
  Add support for subordinate namespace-specified wildcards
  `X(type ..)` and `X(data ..)` to import and export lists.
  
  Examples:
    import M (Cls(type ..))  -- imports Cls and all its associated types
    import M (Cls(data ..))  -- imports Cls and all its methods
    module M (R(data ..), C(type ..)) where
      -- exports R and all its data constructors and record fields;
      -- exports C and all its associated types, but not its methods
  
  The scope of this change is limited to the case where the wildcard is the only
  subordinate import/export item, whereas the more complex forms `X(type .., f)`
  or `X(type .., data ..)` are unsupported and raise the newly introduced
  PsErrUnsupportedExplicitNamespace error. This restriction may be lifted later.
  
  Summary of the changes:
  
  1. Refactor IEThingAll to store its extension field XIEThingAll as a record
     IEThingAllExt instead of a tuple.
  
  2. Extend the AST by adding a NamespaceSpecifier field to IEThingAllExt,
     representing an optional namespace specifier `type` or `data` in front
     of a subordinate wildcard `X(..)`.
  
  3. Extend the grammar in Parser.y with productions for `type ..` and `data ..`
     in subordinate import/export items.
  
  4. Introduce `filterByNamespaceGREs` to filter [GlobalRdrElt] by a
     NamespaceSpecifier; use it in `filterImports` and `exports_from_avail`
     to account for the namespace specifier in IEThingAll.
  
  5. Improve diagnostics by storing more information in DodgyImportsEmptyParent
     and DodgyExportsEmptyParent.
  
  Test cases:
    T25901_sub_e   T25901_sub_f   T25901_sub_g   T25901_sub_a
    T25901_sub_b   T25901_sub_c   T25901_sub_d   T25901_sub_w
    DodgyImports02 DodgyImports03 DodgyImports04
  

• eac418bb
  by Recursion Ninja at 2025-12-18T13:19:48-05:00

  Removing the 'Data' instance for 'InstEnv'.
  
  The 'Data' instance is blocking work on Trees that Grow, and the
  'Data' instance seem to have been added without a clear purpose.
  

• e920e038
  by Recursion Ninja at 2025-12-18T13:19:48-05:00

  'Decouple Language.Haskell.Syntax.Decls' from 'GHC.Unit.Module.Warnings'
  

• bd38b76c
  by Cheng Shao at 2025-12-18T13:20:31-05:00

  testsuite: improve coverage of foundation test
  
  This patch refactors the `foundation` test a bit to improve coverage:
  
  - Instead of using a hard-coded seed, a random seed is now taken from
    the command line, and printed upon test failure. This improves test
    coverage over many future CI runs, and shall a failure occur, the
    seed is available in the CI log for local reproduction.
  - The iterations count is bumped to 1000 instead of 100, similar to
    the bump in `test-primops`. Runtime timeout is bumped 2x just to be
    safe.
  - Improve `newLCGGen` by using non-atomic loads/stores on a
    `MutableByteArray#` for storing mutable `Word64`, this test doesn't
    use parallelism in the first place
  - Fixed a few compiler warnings and removed redundant pragmas and
    imports
  
  Co-authored-by: Codex <codex@openai.com>
  

• 3995187c
  by Sylvain Henry at 2025-12-18T13:21:45-05:00

  Doc: document -pgmi "" (#26634)
  

• 5729418c
  by Cheng Shao at 2025-12-18T13:22:29-05:00

  rts: use __builtin_mul_overflow for hs_mulIntMayOflo
  
  This patch uses `__builtin_mul_overflow` to implement
  `hs_mulIntMayOflo`. This is a GNU C checked arithmetic builtin
  function supported by gcc/clang, is type-generic so works for both
  32-bit/64-bit, and makes the code both more efficient and easier to
  read/maintain than the previous hand rolled logic.
  

• 1ca4b49a
  by Cheng Shao at 2025-12-18T13:23:11-05:00

  compiler/rts: fix ABI mismatch in barf() invocations
  
  This patch fixes a long-standing issue of ABI mismatch in `barf()`
  invocations, both in compiler-emitted code and in hand written Cmm
  code:
  
  - In RTS, we have `barf()` which reports a fatal internal error
    message and exits the program.
  - `barf()` is a variadic C function! When used as a callee of a
    foreign call with `ccall` calling convention instead of `capi`,
    there is an ABI mismatch between the caller and the callee!
  - Unfortunately, both the compiler and the Cmm sources contain many
    places where we call `barf()` via `ccall` convention!! Like, when
    you write `foreign "C" barf("foo object (%p) entered!", R1)`, it
    totally doesn't do what you think it'll do at all!! The second
    argument `R1` is not properly passed in `va_list`, and the behavior
    is completely undefined!!
  - Even more unfortunately, this issue has been sitting around long
    enough because the ABI mismatch is subtle enough on normie platforms
    like x64 and arm64.
  - But there are platforms like wasm32 that are stricter about ABI, and
    the broken `barf()` invocations already causes trouble for wasm
    backend: we had to use ugly hacks like `barf(errmsg, NULL)` to make
    `wasm-ld` happy, and even with this band-aid, compiler-generated
    `barf()` invocations are still broken, resulting in regressions in
    certain debug-related functionality, e.g. `-dtag-inference-checks`
    is broken on wasm32 (#22882).
  
  This patch properly fixes the issue:
  
  - We add non-variadic `barf` wrappers in the RTS that can be used as
    `ccall` callees
  - Both the compiler `emitBarf` logic and the hand-written Cmm are
    changed to call these wrappers
  - `emitBarf` now also properly annotates the foreign call as
    `CmmNeverReturns` to indicate it's a noreturn call to enable more
    efficient code generation
  
  `-dtag-inference-checks` now works on wasm. Closes #22882.
  
  Co-authored-by: Codex <codex@openai.com>
  

• b3dd23b9
  by Vilim Lendvaj at 2025-12-18T13:23:57-05:00

  Remove outdated comment
  
  The Traversable instance for ZipList is no longer in
  GHC.Internal.Data.Traversable. In fact, it is right below this very comment.
  

• 9a9c2f03
  by Cheng Shao at 2025-12-18T13:24:39-05:00

  compiler: remove unused OtherSection logic
  
  This patch removes the OtherSection logic in Cmm, given it's never
  actually used by any of our backends.
  

• 91edd292
  by Wolfgang Jeltsch at 2025-12-19T03:18:19-05:00

  Remove unused known-key and name variables for generics
  
  This removes the known-key and corresponding name variables for `K1`,
  `M1`, `R`, `D`, `C`, `S`, and `URec` from `GHC.Generics`, as they are
  apparently nowhere used in GHC’s source code.
  

• 73ee7e38
  by Wolfgang Jeltsch at 2025-12-19T03:19:02-05:00

  Remove unused known keys and names for generics classes
  
  This removes the known-key and corresponding name variables for
  `Datatype`, `Constructor`, and `Selector` from `GHC.Generics`, as they
  are apparently nowhere used in GHC’s source code.
  

• f69c5f14
  by Cheng Shao at 2025-12-19T03:19:45-05:00

  wasm: fix handling of ByteArray#/MutableByteArray# arguments in JSFFI imports
  
  This patch fixes the handling of ByteArray#/MutableByteArray#
  arguments in JSFFI imports, see the amended note and manual for
  explanation. Also adds a test to witness the fix.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 224446a2
  by Cheng Shao at 2025-12-20T07:49:54-05:00

  rts: workaround -Werror=maybe-uninitialized false positives
  
  In some cases gcc might report -Werror=maybe-uninitialized that we
  know are false positives, but need to workaround it to make validate
  builds with -Werror pass.
  

• 251ec087
  by Cheng Shao at 2025-12-20T07:49:54-05:00

  hadrian: use -Og as C/C++ optimization level when debugging
  
  This commit enables -Og as optimization level when compiling the debug
  ways of rts. According to gcc documentation
  (https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html#index-Og),
  -Og is a better choice than -O0 for producing debuggable code. It's
  also supported by clang as well, so it makes sense to use it as a
  default for debugging. Also add missing -g3 flag to C++ compilation
  flags in +debug_info flavour transformer.
  

• fb586c67
  by Cheng Shao at 2025-12-20T07:50:36-05:00

  compiler: replace DList with OrdList
  
  This patch removes `DList` logic from the compiler and replaces it
  with `OrdList` which also supports O(1) concatenation and should be
  more memory efficient than the church-encoded `DList`.
  

• 8149c987
  by Cheng Shao at 2025-12-20T17:06:51-05:00

  hadrian: add with_profiled_libs flavour transformer
  
  This patch adds a `with_profiled_libs` flavour transformer to hadrian
  which is the exact opposite of `no_profiled_libs`. It adds profiling
  ways to stage1+ rts/library ways, and doesn't alter other flavour
  settings. It is useful when needing to test profiling logic locally
  with a quick flavour.
  

• 746b18cd
  by Cheng Shao at 2025-12-20T17:06:51-05:00

  hadrian: fix missing profiled dynamic libraries in profiled_ghc
  
  This commit fixes the profiled_ghc flavour transformer to include
  profiled dynamic libraries as well, since they're supported by GHC
  since !12595.
  

• 4dd7e3b9
  by Cheng Shao at 2025-12-20T17:07:33-05:00

  ci: set http.postBuffer to mitigate perf notes timeout on some runners
  
  This patch sets http.postBuffer to mitigate the timeout when fetching
  perf notes on some runners with slow internet connection. Fixes #26684.
  

• bc36268a
  by Wolfgang Jeltsch at 2025-12-21T16:23:24-05:00

  Remove unused known keys and names for type representations
  
  This removes the known-key and corresponding name variables for
  `TrName`, `TrNameD`, `TypeRep`, `KindRepTypeLitD`, `TypeLitSort`, and
  `mkTrType`, as they are apparently nowhere used in GHC’s source code.
  

• ff5050e9
  by Wolfgang Jeltsch at 2025-12-21T16:24:04-05:00

  Remove unused known keys and names for natural operations
  
  This removes the known-key and corresponding name variables for
  `naturalAndNot`, `naturalLog2`, `naturalLogBaseWord`, `naturalLogBase`,
  `naturalPowMod`, `naturalSizeInBase`, `naturalToFloat`, and
  `naturalToDouble`, as they are apparently nowhere used in GHC’s source
  code.
  

• 424388c2
  by Wolfgang Jeltsch at 2025-12-21T16:24:45-05:00

  Remove the unused known key and name for `Fingerprint`
  
  This removes the variables for the known key and the name of the
  `Fingerprint` data constructor, as they are apparently nowhere used in
  GHC’s source code.
  

• a1ed86fe
  by Wolfgang Jeltsch at 2025-12-21T16:25:26-05:00

  Remove the unused known key and name for `failIO`
  
  This removes the variables for the known key and the name of the
  `failIO` operation, as they are apparently nowhere used in GHC’s source
  code.
  

• b8220daf
  by Wolfgang Jeltsch at 2025-12-21T16:26:07-05:00

  Remove the unused known key and name for `liftM`
  
  This removes the variables for the known key and the name of the `liftM`
  operation, as they are apparently nowhere used in GHC’s source code.
  

• eb0628b1
  by Wolfgang Jeltsch at 2025-12-21T16:26:47-05:00

  Fix the documentation of `hIsClosed`
  

• db1ce858
  by sheaf at 2025-12-22T17:11:17-05:00

  Do deep subsumption when computing valid hole fits
  
  This commit makes a couple of improvements to the code that
  computes "valid hole fits":
  
    1. It uses deep subsumption for data constructors.
       This matches up the multiplicities, as per
       Note [Typechecking data constructors].
       This fixes #26338 (test: LinearHoleFits).
  
    2. It now suggests (non-unidirectional) pattern synonyms as valid
       hole fits. This fixes #26339 (test: PatSynHoleFit).
  
    3. It uses 'stableNameCmp', to make the hole fit output deterministic.
  
  -------------------------
  Metric Increase:
      hard_hole_fits
  -------------------------
  

• 72ee9100
  by sheaf at 2025-12-22T17:11:17-05:00

  Speed up hole fits with a quick pre-test
  
  This speeds up the machinery for valid hole fits by doing a small
  check to rule out obviously wrong hole fits, such as:
  
    1. A hole fit identifier whose type has a different TyCon at the head,
       after looking through foralls and (=>) arrows, e.g.:
          hole_ty = Int
          cand_ty = Maybe a
       or
          hole_ty = forall a b. a -> b
          cand_ty = forall x y. Either x y
    2. A hole fit identifier that is not polymorphic when the hole type
       is polymorphic, e.g.
         hole_ty = forall a. a -> a
         cand_ty = Int -> Int
  
  -------------------------
  Metric Decrease:
      hard_hole_fits
  -------------------------
  

• 30e513ba
  by Cheng Shao at 2025-12-22T17:12:00-05:00

  configure: remove unused win32-tarballs.md5sum
  
  This patch removes the unused `win32-tarballs.md5sum` file from the
  tree. The current mingw tarball download logic in
  `mk/get-win32-tarballs.py` fetches and checks against `SHA256SUM` from
  the same location where the tarballs are fetched, and this file has
  been unused for a few years.
  

• a2d52b3b
  by Wolfgang Jeltsch at 2025-12-23T04:47:33-05:00

  Add an operation `System.IO.hGetNewlineMode`
  
  This commit also contains some small code and documentation changes for
  related operations, for the sake of consistency.
  

• b26d134a
  by Cheng Shao at 2025-12-23T04:48:15-05:00

  rts: opportunistically reclaim slop space in shrinkMutableByteArray#
  
  Previously, `shrinkMutableByteArray#` shrinks a `MutableByteArray#`
  in-place by assigning the new size to it, and zeroing the extra slop
  space. That slop space is not reclaimed and wasted. But it's often the
  case that we allocate a `MutableByteArray#` upfront, then shrink it
  shortly after, so the `MutableByteArray#` closure sits right at the
  end of a nursery block; this patch identifies such chances, and also
  shrink `bd->free` if possible, reducing heap space fragmentation.
  
  Co-authored-by: Codex <codex@openai.com>
  
  -------------------------
  Metric Decrease:
      T10678
  -------------------------
  

• c72ddabf
  by Cheng Shao at 2025-12-23T16:13:23-05:00

  hadrian: fix bootstrapping with ghc-9.14
  
  This patch fixes bootstrapping GHC with ghc-9.14, tested locally with
  ghc-9.14.1 release as bootstrapping GHC.
  

• 0fd6d8e4
  by Cheng Shao at 2025-12-23T16:14:05-05:00

  hadrian: pass -keep-tmp-files to test ghc when --keep-test-files is enabled
  
  This patch makes hadrian pass `-keep-tmp-files` to test ghc when
  `--keep-test-files` is enabled, so you can check the ghc intermediate
  files when debugging certain test failures. Closes #26688.
  

• 81d10134
  by Cheng Shao at 2025-12-24T06:11:52-05:00

  configure: remove dead code in configure scripts
  
  This patch removes dead code in our configure scripts, including:
  
  - Variables and auto-detected programs that are not used
  - autoconf functions that are not used, or export a variable that's
    not used
  - `AC_CHECK_HEADERS` invocations that don't have actual corresponding
    `HAVE_XXX_H` usage
  - Other dead code (e.g. stray `AC_DEFUN()`)
  
  Co-authored-by: Codex <codex@openai.com>
  

• fb1381c3
  by Wolfgang Jeltsch at 2025-12-24T06:12:34-05:00

  Remove unused known keys and names for list operations
  
  This removes the known-key and corresponding name variables for
  `concat`, `filter`, `zip`, and `(++)`, as they are apparently nowhere
  used in GHC’s source code.
  

• 7b9c20f4
  by Recursion Ninja at 2025-12-24T10:35:36-05:00

  Decoupling Language.Haskell.Syntax.Binds from GHC.Types.Basic
  by transferring InlinePragma types between the modules.
  
    * Moved InlinePragma data-types to Language.Haskell.Syntax.Binds.InlinePragma
  
    * Partitioned of Arity type synonyms to GHC.Types.Arity
  
    * InlinePragma is now extensible via Trees That Grow
  
    * Activation is now extensible via Trees That Grow
  
    * Maybe Arity change to more descriptive InlineSaturation data-type
  
    * InlineSaturation information removed from InlinePragma during GHS parsing pass
  
    * Cleaned up the exposed module interfaces of the new modules
  

• a3afae0c
  by Simon Peyton Jones at 2025-12-25T15:26:36-05:00

  Check for rubbish literals in Lint
  
  Addresses #26607.
  
  See new Note [Checking for rubbish literals] in GHC.Core.Lint
  

• 8a317b6f
  by Aaron Allen at 2026-01-01T03:05:15-05:00

  [#26183] Associated Type Iface Fix
  
  When determining "extras" for class decl interface entries, axioms for
  the associated types need to included so that dependent modules will be
  recompiled if those axioms change.
  
  resolves #26183
  

• ae1aeaab
  by Cheng Shao at 2026-01-01T03:06:32-05:00

  testsuite: run numeric tests with optasm when available
  
  This patch adds the `optasm` extra way to nueric tests when NCG is
  available. Some numeric bugs only surface with optimization, omitting
  this can hide these bugs and even make them slip into release! (e.g. #26711)
  

• 6213bb57
  by maralorn at 2026-01-02T16:30:32+01:00

  GHC.Internal.Exception.Context: Fix comment
  
  on addExceptionAnnotation

• b820ff50
  by Janis Voigtlaender at 2026-01-05T02:43:18-05:00

  GHC.Internal.Control.Monad.replicateM: Fix comment
  

• a8a94aad
  by Cheng Shao at 2026-01-05T16:24:04-05:00

  hadrian: drops unused PE linker script for windows
  
  This patch drops unused PE linker script for windows in the
  `MergeObjects` builder of hadrian. The linker script is used for
  merging object files into a single `HS*.o` object file and undoing the
  effect of split sections, when building the "ghci library" object
  file. However, we don't build the ghci library on windows, and this
  code path is actually unreachable.
  

• 53038ea9
  by Cheng Shao at 2026-01-05T16:24:04-05:00

  hadrian: drop unused logic for building ghci libraries
  
  This patch drops the unused logic for building ghci libraries in
  hadrian:
  
  - The term "ghci library" refers to an optional object file per
    library `HS*.o`, which is merged from multiple object files in that
    library using the `MergeObjects` builder in hadrian.
  - The original rationale of having a ghci library object, in addition
    to normal archives, was to speedup ghci loading, since the combined
    object is linked with a linker script to undo the effects of
    `-fsplit-sections` to reduce section count and make it easier for
    the RTS linker to handle.
  - However, most GHC builds enable `dynamicGhcPrograms` by default, in
    such cases the ghci library would already not be built.
  - `dynamicGhcPrograms` is disabled on Windows, but still we don't
    build the ghci library due to lack of functioning merge objects
    command.
  - The only case that we actually build ghci library objects, are
    alpine fully static bindists. However, for other reasons, split
    sections is already disabled for fully static builds anyway!
  - There will not be any regression if the ghci library objects are
    absent from a GHC global libdir when `dynamicGhcPrograms` is
    disabled. The RTS linker can already load the archives without any
    issue.
  
  Hence the removal. We now forcibly disable ghci libraries for all
  Cabal components, and rip out all logic related to `MergeObjects` and
  ghci libraries in hadrian. This also nicely cleans up some old todos
  and fixmes that are no longer relevant.
  
  Note that MergeObjects in hadrian is not the same thing as merge
  objects in the GHC driver. The latter is not affected by this patch.
  
  -------------------------
  Metric Decrease:
      libdir
  -------------------------
  
  Co-authored-by: Codex <codex@openai.com>
  

• 8f209336
  by Simon Jakobi at 2026-01-05T16:24:48-05:00

  User's guide: Fix link to language extensions
  
  Instead of linking to haddocks, it seemed more useful to link
  to the extension overview in the user's guide.
  
  Closes #26614.
  

• 0b7df6db
  by Simon Peyton Jones at 2026-01-06T09:32:23-05:00

  Improved fundeps for closed type families
  
  The big payload of this commit is to execute the plan suggested
  in #23162, by improving the way that we generate functional
  dependencies for closed type families.
  
  It is all described in Note [Exploiting closed type families]
  
  Most of the changes are in GHC.Tc.Solver.FunDeps
  
  Other small changes
  
  * GHC.Tc.Solver.bumpReductionDepth.  This function brings together the code that
     * Bumps the depth
     * Checks for overflow
    Previously the two were separated, sometimes quite widely.
  
  * GHC.Core.Unify.niFixSubst: minor improvement, removing an unnecessary
    itraetion in the base case.
  
  * GHC.Core.Unify: no need to pass an InScopeSet to
    tcUnifyTysForInjectivity. It can calculate one for itself; and it is
    never inspected anyway so it's free to do so.
  
  * GHC.Tc.Errors.Ppr: slight impovement to the error message for
    reduction-stack overflow, when a constraint (rather than a type) is
    involved.
  
  * GHC.Tc.Solver.Monad.wrapUnifier: small change to the API
  

• fde8bd88
  by Simon Peyton Jones at 2026-01-06T09:32:23-05:00

  Add missing (KK4) to kick-out criteria
  
  There was a missing case in kick-out that meant we could fail
  to solve an eminently-solvable constraint.
  
  See the new notes about (KK4)
  

• 00082844
  by Simon Peyton Jones at 2026-01-06T09:32:23-05:00

  Some small refactorings of error reporting in the typechecker
  
  This is just a tidy-up commit.
  
  * Add ei_insoluble to ErrorItem, to cache insolubility.
    Small tidy-up.
  
  * Remove `is_ip` and `mkIPErr` from GHC.Tc.Errors; instead enhance mkDictErr
    to handle implicit parameters.  Small refactor.
  

• fe4cb252
  by Simon Peyton Jones at 2026-01-06T09:32:24-05:00

  Improve recording of insolubility for fundeps
  
  This commit addresses #22652, by recording when the fundeps for
  a constraint are definitely insoluble.  That in turn improves the
  perspicacity of the pattern-match overlap checker.
  
  See Note [Insoluble fundeps]
  

• df0ffaa5
  by Simon Peyton Jones at 2026-01-06T09:32:24-05:00

  Fix a buglet in niFixSubst
  
  The MR of which this is part failed an assertion check extendTvSubst
  because we extended the TvSubst with a CoVar.  Boo.
  
  This tiny patch fixes it, and adds the regression test from #13882
  that showed it up.
  

• 3d6aba77
  by konsumlamm at 2026-01-06T09:33:16-05:00

  Fix changelog formatting

• 69e0ab59
  by Cheng Shao at 2026-01-06T19:37:56-05:00

  compiler: add targetHasRTSWays function
  
  This commit adds a `targetHasRTSWays` util function in
  `GHC.Driver.Session` to query if the target RTS has a given Ways (e.g.
  WayThreaded).
  

• 25a0ab94
  by Cheng Shao at 2026-01-06T19:37:56-05:00

  compiler: link on-demand external interpreter with threaded RTS
  
  This commit makes the compiler link the on-demand external interpreter
  program with threaded RTS if it is available in the target RTS ways.
  This is a better default than the previous single-threaded RTS, and it
  enables the external interpreter to benefit from parallelism when
  deserializing CreateBCOs messages.
  

• 92404a2b
  by Cheng Shao at 2026-01-06T19:37:56-05:00

  hadrian: link iserv with threaded RTS
  
  This commit makes hadrian link iserv with threaded RTS if it's
  available in the RTS ways. Also cleans up the iserv main C program
  which can be replaced by the `-fkeep-cafs` link-time option.
  

• a20542d2
  by Cheng Shao at 2026-01-06T19:38:38-05:00

  ghc-internal: remove unused GMP macros
  
  This patch removes unused GMP related macros from `ghc-internal`. The
  in-tree GMP version was hard coded and outdated, but it was not used
  anywhere anyway.
  

• 4079dcd6
  by Cheng Shao at 2026-01-06T19:38:38-05:00

  hadrian: fix in-tree gmp configure error on newer c compilers
  
  Building in-tree gmp on newer c compilers that default to c23 fails at
  configure stage, this patch fixes it, see added comment for
  explanation.
  

• 414d1fe1
  by Cheng Shao at 2026-01-06T19:39:20-05:00

  compiler: fix LLVM backend pdep/pext handling for i386 target
  
  This patch fixes LLVM backend's pdep/pext handling for i386 target,
  and also removes non-existent 128/256/512 bit hs_pdep/hs_pext callees.
  See amended note for more explanation. Fixes #26450.
  
  Co-authored-by: Codex <codex@openai.com>
  

• c7f6fba3
  by Cheng Shao at 2026-01-06T19:39:20-05:00

  ci: remove allow_failure flag for i386 alpine job
  
  The LLVM codegen issue for i386 has been fixed, and the i386 alpine
  job should pass now. This commit removes the allow_failure flag so
  that other i386 regressions in the future are signaled more timely.
  

• 52d00c05
  by Simon Peyton Jones at 2026-01-07T10:24:21-05:00

  Add missing InVar->OutVar lookup in SetLevels
  
  As #26681 showed, the SetLevels pass was failing to map an InVar to
  an OutVar.  Very silly!  I'm amazed it hasn't broken before now.
  
  I have improved the type singatures (to mention InVar and OutVar)
  so it's more obvious what needs to happen.
  

• ab0a5594
  by Cheng Shao at 2026-01-07T10:25:04-05:00

  hadrian: drop deprecated pkgHashSplitObjs code path
  
  This patch drops deprecated `pkgHashSplitObjs` code path from hadrian,
  since GHC itself has removed split objs support many versions ago and
  this code path is unused.
  

• bb3a2ba1
  by Cheng Shao at 2026-01-07T10:25:44-05:00

  hadrian: remove linting/assertion in quick-validate flavour
  
  The `quick-validate` flavour is meant for testing ghc and passing the
  testsuite locally with similar settings to `validate` but faster. This
  patch removes the linting/assertion overhead in `quick-validate` to
  improve developer experience. I also took the chance to simplify
  redundant logic of rts/library way definition in `validate` flavour.
  

• 7971f5dd
  by Cheng Shao at 2026-01-07T10:26:26-05:00

  deriveConstants: clean up unused constants
  
  This patch cleans up unused constants from `deriveConstants`, they are
  not used by C/Cmm code in the RTS, nor compiler-generated code.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 4df96993
  by Cheng Shao at 2026-01-07T10:27:08-05:00

  hadrian: pass -fno-omit-frame-pointer with +debug_info
  
  This patch adds `-fno-omit-frame-pointer` as C/C++ compilation flag
  when compiling with `+debug_info` flavour transformer. It's a sane
  default when you care about debugging and reliable backtraces, and
  makes debugging/profiling with bpf easier.
  

• 8a3900a3
  by Aaron Allen at 2026-01-07T10:27:57-05:00

  [26705] Include TyCl instances in data fam iface entry
  
  Ensures dependent modules are recompiled when the class instances for a
  data family instance change.
  
  resolves #26705
  

• a0b980af
  by Cheng Shao at 2026-01-07T10:28:38-05:00

  hadrian: remove unused Hp2Ps/Hpc builders
  
  This patch removes the Hp2Ps/Hpc builders from hadrian, they are
  unused in the build system. Note that the hp2ps/hpc programs are still
  built and not affected.
  

• 50a58757
  by Cheng Shao at 2026-01-07T10:29:20-05:00

  hadrian: only install js files to libdir for wasm/js targets
  
  There are certain js files required for wasm/js targets to work, and
  previously hadrian would install those js files to libdir
  unconditionally on other targets as well. This could be a minor
  annoyance for packagers especially when the unused js files contain
  shebangs that interfere with the packaging process. This patch makes
  hadrian only selectively install the right js files for the right
  targets.
  
  Co-authored-by: Codex <codex@openai.com>
  

• da40e553
  by Simon Peyton Jones at 2026-01-07T10:30:00-05:00

  Add flavour transformer assertions_stage1
  
  This allows us to enable -DDEBUG assertions in the stage1 compiler
  

• ec3cf767
  by Cheng Shao at 2026-01-08T06:24:31-05:00

  make: remove unused Makefiles from legacy make build system
  
  This patch removes unused Makefiles from legacy make build system; now
  they are never used by hadrian in any way, and they already include
  common boilerplate mk files that are long gone in the make build
  system removal, hence the housecleaning.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 04ea3f83
  by Cheng Shao at 2026-01-08T06:25:13-05:00

  compiler: use -O3 as LLVM optimization level for ghc -O2
  
  The GHC driver clamps LLVM optimization level to `-O2` due to LLVM
  crashes, but those were historical issues many years ago that are no
  longer relevant for LLVM versions we support today. This patch changes
  the driver to use `-O3` as LLVM optimization level when compiling with
  `-O2`, which is a better default when we're willing to trade
  compilation time for faster generated code.
  

• 472df471
  by Peter Trommler at 2026-01-08T13:28:54-05:00

  Use half-word literals in info tables
  
  With this commit info tables are mapped to the same assembler code
  on big-endian and little-endian platforms.
  
  Fixes #26579.
  

• 393f9c51
  by Simon Peyton Jones at 2026-01-08T13:29:35-05:00

  Refactor srutOkForBinderSwap
  
  This MR does a small refactor:
  
  * Moves `scrutOkForBinderSwap` and `BinderSwapDecision`
    to GHC.Core.Utils
  
  * Inverts the sense of the coercion it returns, which makes
    more sense
  
  No effect on behaviour
  

• ad76fb0f
  by Simon Peyton Jones at 2026-01-08T13:29:36-05:00

  Improve case merging
  
  This small MR makes case merging happen a bit more often than
  it otherwise could, by getting join points out of the way.
  
  See #26709 and GHC.Core.Utils
    Note [Floating join points out of DEFAULT alternatives]
  

• 4c9395f5
  by Cheng Shao at 2026-01-08T13:30:16-05:00

  hadrian: remove broken hsc2hs flag when cross compiling to windows
  
  This patch removes the `--via-asm` hsc2hs flag when cross compiling to
  windows. With recent llvm-mingw toolchain, it would fail with:
  
  ```
  x86_64-w64-mingw32-hsc2hs: Cannot combine instructions: [Quad 8,Long 4,Long 241,Ref ".Ltmp1-.Ltmp0"]
  ```
  
  The hsc2hs default `--cross-compile` logic is slower but works.
  

• 71fdef55
  by Simon Peyton Jones at 2026-01-08T13:30:57-05:00

  Try harder to keep the substitution empty
  
  Avoid unnecessary cloning of variables in the Simplifier.
  
  Addresses #26724,
  
  See Note [Keeping the substitution empty]
  
  We get some big wins in compile time
  
  Metrics: compile_time/bytes allocated
  -------------------------------------
                                           Baseline
                      Test    Metric          value      New value Change
  ----------------------------------------------------------------------------
  CoOpt_Singletons(normal) ghc/alloc    721,544,088    692,174,216  -4.1% GOOD
       LargeRecord(normal) ghc/alloc  1,268,031,157  1,265,168,448  -0.2%
            T14766(normal) ghc/alloc    918,218,533    688,432,296 -25.0% GOOD
            T15703(normal) ghc/alloc    318,103,629    306,638,016  -3.6% GOOD
            T17836(normal) ghc/alloc    419,174,584    418,400,824  -0.2%
            T18478(normal) ghc/alloc    471,042,976    470,261,376  -0.2%
            T20261(normal) ghc/alloc    573,387,162    563,663,336  -1.7%
            T24984(normal) ghc/alloc     87,832,666     87,636,168  -0.2%
            T25196(optasm) ghc/alloc  1,103,284,040  1,101,376,992  -0.2%
    hard_hole_fits(normal) ghc/alloc    224,981,413    224,608,208  -0.2%
  
                 geo. mean                                          -0.3%
                 minimum                                           -25.0%
                 maximum                                            +0.1%
  
  Metric Decrease:
      CoOpt_Singletons
      T14766
      T15703
  

• 30341168
  by Simon Peyton Jones at 2026-01-08T13:31:38-05:00

  Add regression test for #24867
  

• 1ac1a541
  by Julian Ospald at 2026-01-09T02:48:53-05:00

  Support statically linking executables properly
  
  Fixes #26434
  
  In detail, this does a number of things:
  * Makes GHC aware of 'extra-libraries-static' (this changes the package
    database format).
  * Adds a switch '-static-external' that will honour 'extra-libraries-static'
    to link external system dependencies statically.
  * Adds a new field to settings/targets: "ld supports verbatim namespace".
    This field is used by '-static-external' to conditionally use '-l:foo.a'
    syntax during linking, which is more robust than trying to find the
    absolute path to an archive on our own.
  * Adds a switch '-fully-static' that is meant as a high-level interface
    for e.g. cabal. This also honours 'extra-libraries-static'.
  
  This also attempts to clean up the confusion around library search directories.
  At the moment, we have 3 types of directories in the package database
  format:
  * library-dirs
  * library-dirs-static
  * dynamic-library-dirs
  
  However, we only have two types of linking: dynamic or static. Given the
  existing logic in 'mungeDynLibFields', this patch assumes that
  'library-dirs' is really just nothing but a fallback and always
  prefers the more specific variants if they exist and are non-empty.
  
  Conceptually, we should be ok with even just one search dirs variant.
  Haskell libraries are named differently depending on whether they're
  static or dynamic, so GHC can conveniently pick the right one depending
  on the linking needs. That means we don't really need to play tricks
  with search paths to convince the compiler to do linking as we want it.
  For system C libraries, the convention has been anyway to place static and
  dynamic libs next to each other, so we need to deal with that issue
  anyway and it is outside of our control. But this is out of the scope
  of this patch.
  
  This patch is backwards compatible with cabal. Cabal should however
  be patched to use the new '-fully-static' switch.
  

• ad3c808d
  by Julian Ospald at 2026-01-09T02:48:53-05:00

  Warn when "-dynamic" is mixed with "-staticlib"
  

• 322dd672
  by Matthew Pickering at 2026-01-09T02:49:35-05:00

  rts: Use INFO_TABLE_CONSTR for stg_dummy_ret_closure
  
  Since the closure type is CONSTR_NOCAF, we need to use INFO_TABLE_CONSTR
  to populate the constructor description field (this crashes ghc-debug
  when decoding AP_STACK frames sometimes)
  
  Fixes #26745
  

• 039bac4c
  by Ben Gamari at 2026-01-09T20:22:16-05:00

  ghc-internal: Move STM utilities out of GHC.Internal.Conc.Sync
  
  This is necessary to avoid an import cycle on Windows when importing
  `GHC.Internal.Exception.Context` in `GHC.Internal.Conc.Sync`.
  
  On the road to address #25365.
  

• 8c389e8c
  by Ben Gamari at 2026-01-09T20:22:16-05:00

  base: Capture backtrace from throwSTM
  
  Implements core-libraries-committee#297.
  
  Fixes #25365.
  

• e1ce1fc3
  by Ben Gamari at 2026-01-09T20:22:16-05:00

  base: Annotate rethrown exceptions in catchSTM with WhileHandling
  
  Implements core-libraries-committee#298
  

• c4ebdbdf
  by Cheng Shao at 2026-01-09T20:23:06-05:00

  compiler: make getPrim eagerly evaluate its result
  
  This commit makes `GHC.Utils.Binary.getPrim` eagerly evaluate its
  result, to avoid accidental laziness when future patches build other
  binary parsers using `getPrim`.
  

• 66a0c4f7
  by Cheng Shao at 2026-01-09T20:23:06-05:00

  compiler: implement fast get/put for Word16/Word32/Word64
  
  Previously, `GHC.Utils.Binary` contains `get`/`put` functions for
  `Word16`/`Word32`/`Word64` which always loads and stores them as
  big-endian words at a potentially unaligned address. The previous
  implementation is based on loads/stores of individual bytes and
  concatenating bytes with bitwise operations, which currently cannot be
  fused to a single load/store operation by GHC.
  
  This patch implements fast `get`/`put` functions for
  `Word16`/`Word32`/`Word64` based on a single memory load/store, with
  an additional `byteSwap` operation on little-endian hosts. It is based
  on unaligned load/store primops added since GHC 9.10, and we already
  require booting with at least 9.10, so it's about time to switch to
  this faster path.
  

• 641ec3f0
  by Simon Peyton Jones at 2026-01-09T20:23:55-05:00

  Fix scoping errors in specialisation
  
  Using -fspecialise-aggressively in #26682 showed up a couple of
  subtle errors in the type-class specialiser.
  
  * dumpBindUDs failed to call `deleteCallsMentioning`, resulting in a
    call that mentioned a dictionary that was not in scope.  This call
    has been missing since 2009!
      commit c43c981705ec33da92a9ce91eb90f2ecf00be9fe
      Author: Simon Peyton Jones <simonpj@microsoft.com>
      Date:   Fri Oct 23 16:15:51 2009 +0000
  
    Fixed by re-combining `dumpBindUDs` and `dumpUDs`.
  
  * I think there was another bug involving the quantified type
    variables in polymorphic specialisation. In any case I refactored
    `specHeader` and `spec_call` so that the former looks for the
    extra quantified type variables rather than the latter.  This
    is quite a worthwhile simplification: less code, easier to grok.
  
  Test case in simplCore/should_compile/T26682,
  brilliantly minimised by @sheaf.
  

• 2433e91d
  by Cheng Shao at 2026-01-09T20:24:43-05:00

  compiler: change sectionProtection to take SectionType argument
  
  This commit changes `sectionProtection` to only take `SectionType`
  argument instead of whole `Section`, since it doesn't need the Cmm
  section content anyway, and it can then be called in parts of NCG
  where we only have a `SectionType` in scope.
  

• e5926fbe
  by Cheng Shao at 2026-01-09T20:24:43-05:00

  compiler: change isInitOrFiniSection to take SectionType argument
  
  This commit changes `isInitOrFiniSection` to only take `SectionType`
  argument instead of whole `Section`, since it doesn't need the Cmm
  section content anyway, and it can then be called in parts of NCG
  where we only have a `SectionType` in scope. Also marks it as
  exported.
  

• 244d57d7
  by Cheng Shao at 2026-01-09T20:24:43-05:00

  compiler: fix split sections on windows
  
  This patch fixes split sections on windows by emitting the right
  COMDAT section header in NCG, see added comment for more explanation.
  Fix #26696 #26494.
  
  -------------------------
  Metric Decrease:
      LargeRecord
      T9675
      size_hello_artifact
      size_hello_artifact_gzip
      size_hello_unicode
      size_hello_unicode_gzip
  Metric Increase:
      T13035
  -------------------------
  
  Co-authored-by: Codex <codex@openai.com>
  

• 182f3d0f
  by Cheng Shao at 2026-01-09T20:25:28-05:00

  iserv: add comment about -fkeep-cafs
  

• 49675b69
  by Matthew Craven at 2026-01-09T20:26:14-05:00

  Account for "stupid theta" in demand sig for DataCon wrappers
  
  Fixes #26748.
  

• f3c18890
  by Samuel Thibault at 2026-01-10T15:48:22+01:00

  hurd: Fix getExecutablePath build
  
  3939a8bf93e27 ("GNU/Hurd: Add getExecutablePath support") added using
  /proc/self/exe for GNU/Hurd but missed adding the required imports for
  the corresponding code.
  

• 7f15bd15
  by Samuel Thibault at 2026-01-12T07:16:25-05:00

  Fix the OS string encoding for GNU/Hurd
  
  Following https://github.com/haskell/cabal/pull/9434/files , and as seen
  in the various gnu_HOST_OS usages in the source code, it is expected that
  GNU/Hurd is advertised as "gnu", like the autotools do.
  

• 1db2f240
  by Andrew Lelechenko at 2026-01-12T07:17:06-05:00

  Add since annotation for Data.Bifoldable1
  
  Fixes #26432
  

• e038a383
  by Sven Tennie at 2026-01-12T07:17:49-05:00

  Ignore Windows CI tool directories in Git
  
  Otherwise, we see thousands of changes in `git status` which is very
  confusing to work with.
  

• 023c301c
  by sheaf at 2026-01-13T04:57:30-05:00

  Don't re-use stack slots for growing registers
  
  This commit avoids re-using a stack slot for a register that has grown
  but already had a stack slot.
  
  For example, suppose we have stack slot assigments
  
    %v1 :: FF64 |-> StackSlot 0
    %v2 :: FF64 |-> StackSlot 1
  
  Later, we start using %v1 at a larger format (e.g. F64x2) and we need
  to spill it again. Then we **must not** use StackSlot 0, as a spill
  at format F64x2 would clobber the data in StackSlot 1.
  
  This can cause some fragmentation of the `StackMap`, but that's probably
  OK.
  
  Fixes #26668
  

• d0966e64
  by fendor at 2026-01-13T04:58:11-05:00

  Remove `traceId` from ghc-pkg executable
  

• 20d7efec
  by Simon Peyton Jones at 2026-01-13T12:41:22-05:00

  Make SpecContr rules fire a bit later
  
  See #26615 and Note [SpecConstr rule activation]
  

• 8bc4eb8c
  by Andrew Lelechenko at 2026-01-13T12:42:03-05:00

  Upgrade mtl submodule to 2.3.2
  
  Fixes #26656
  

• c94aaacd
  by Cheng Shao at 2026-01-13T12:42:44-05:00

  compiler: remove iserv and only use on-demand external interpreter
  
  This patch removes `iserv` from the tree completely. Hadrian would no
  longer build or distribute `iserv`, and the GHC driver would use the
  on-demand external interpreter by default when invoked with
  `-fexternal-interpreter`, without needing to specify `-pgmi ""`. This
  has multiple benefits:
  
  - It allows cleanup of a lot of legacy hacks in the hadrian codebase.
  - It paves the way for running cross ghc's iserv via cross emulator
    (#25523), fixing TH/ghci support for cross targets other than
    wasm/js.
  

• c1fe0097
  by Peter Trommler at 2026-01-14T03:54:49-05:00

  PPC NCG: Fix shift right MO code
  
  The shift amount in shift right [arithmetic] MOs is machine word
  width. Therefore remove unnecessary zero- or sign-extending of
  shift amount.
  
  It looks harmless to extend the shift amount argument because the
  shift right instruction uses only the seven lowest bits (i. e. mod 128).
  But now we have a conversion operation from a smaller type to word width
  around a memory load at word width. The types are not matching up but
  there is no check done in CodeGen. The necessary conversion from word
  width down to the smaller width would be translated into a no-op on
  PowerPC anyway. So all seems harmless if it was not for a small
  optimisation in getRegister'.
  
  In getRegister' a load instruction with the smaller width of the
  conversion operation was generated. This loaded the most significant
  bits of the word in memory on a big-endian platform. These bits were
  zero and hence shift right was used with shift amount zero and not one
  as required in test Sized.
  
  Fixes #26519
  

• 2dafc65a
  by Cheng Shao at 2026-01-14T03:55:31-05:00

  Tree-wide cleanup of cygwin logic
  
  GHC has not supported cygwin for quite a few years already, and will
  not resume support in the forseeable future. The only supported
  windows toolchain is clang64/clangarm64 of the msys2 project. This
  patch cleans up the unused cygwin logic in the tree.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 66b96e2a
  by Teo Camarasu at 2026-01-14T03:56:13-05:00

  Set default eventlog-flush-interval to 5s
  
  Resolves #26707
  

• d0254579
  by Andrew Lelechenko at 2026-01-14T03:56:53-05:00

  Document when -maxN RTS option was added
  

• f25e2b12
  by Cheng Shao at 2026-01-14T11:10:39-05:00

  testsuite: remove obsolete --ci option from the testsuite driver
  
  This patch removes the obsolete `--ci` option from the testsuite
  driver: neither the CI scripts nor hadrian ever invokes the testsuite
  driver with `--ci`, and the perf notes are always fetched to the
  `refs/notes/perf` local reference anyway.
  

• 7964763b
  by Julian Ospald at 2026-01-14T11:11:31-05:00

  Fix fetch_cabal
  
  * download cabal if the existing one is of an older version
  * fix FreeBSD download url
  * fix unpacking on FreeBSD
  

• 6b0129c1
  by Julian Ospald at 2026-01-14T11:11:31-05:00

  Bump toolchain in CI
  

• 0f53ccc6
  by Julian Ospald at 2026-01-14T11:11:31-05:00

  Use libffi-clib
  
  Previously, we would build libffi via hadrian
  and bundle it manually with the GHC bindist.
  
  This now moves all that logic out of hadrian
  and allows us to have a clean Haskell package
  to build and link against and ship it without
  extra logic.
  
  This patch still retains the ability to link
  against a system libffi.
  
  The main reason of bundling libffi was that on
  some platforms (e.g. FreeBSD and Mac), system libffi
  is not visible to the C toolchain by default,
  so users would require settings in e.g. cabal
  to be able to compile anything.
  
  This adds the submodule libffi-clib to the repository.
  

• 5e1cd595
  by Peng Fan at 2026-01-14T11:12:26-05:00

  NCG/LA64: add support for la664 micro architecture
  
  Add '-mla664' flag to LA664, which has some new features:
  atomic instructions, dbar hints, etc.
  
  'LA464' is the default so that unrecognized instructions are not
  generated.
  

• c56567ec
  by Simon Peyton Jones at 2026-01-15T23:19:04+00:00

  Add evals for strict data-con args in worker-functions
  
  This fixes #26722, by adding an eval in a worker for
  arguments of strict data constructors, even if the
  function body uses them strictly.
  
  See (WIS1) in Note [Which Ids should be strictified]
  
  I took the opportunity to make substantial improvements in the
  documentation for call-by-value functions.  See especially
     Note [CBV Function Ids: overview] in GHC.Types.Id.Info
     Note [Which Ids should be CBV candidates?] ditto
     Note [EPT enforcement] in GHC.Stg.EnforceEpt
  among others.
  

• 9719ce5d
  by Simon Peyton Jones at 2026-01-15T23:19:04+00:00

  Improve `interestingArg`
  
  This function analyses a function's argument to see if it is
  interesting enough to deserve an inlining discount. Improvements
  for
    * LitRubbish arguments
    * exprIsExpandable arguments
  
  See Note [Interesting arguments] which is substantially rewritten.
  

• 7b616b9f
  by Cheng Shao at 2026-01-16T06:45:00-05:00

  compiler: fix regression when compiling foreign stubs in the rts unit
  
  This patch fixes a regression when compiling foreign stubs in the rts
  unit introduced in 05e25647f72bc102061af3f20478aa72bff6ff6e. A simple
  revert would fix it, but it's better to implement a proper fix with
  comment for better understanding of the underlying problem, see the
  added comment for explanation.
  
  Co-authored-by: Codex <codex@openai.com>
  

• c343ef64
  by Sylvain Henry at 2026-01-16T06:45:51-05:00

  base: remove GHC.JS.Prim.Internal.Build (#23432)
  
  See accepted CLC proposal https://github.com/haskell/core-libraries-committee/issues/329
  

• 29c0aceb
  by Simon Peyton Jones at 2026-01-16T17:18:11-05:00

  Improve newtype unwrapping
  
  Ticket #26746 describes several relatively-minor shortcomings of newtype
  unwrapping.  This MR addresses them, while also (arguably) simplifying
  the code a bit.
  
  See new Note [Solving newtype equalities: overview]
  and     Note [Decomposing newtype equalities]
  and     Note [Eager newtype decomposition]
  and     Note [Even more eager newtype decomposition]
  
  For some reason, on Windows only, runtime allocations decrease for test
  T5205 (from 52k to 48k).  I have not idea why. No change at all on Linux.
  I'm just going to accept the change.  (I saw this same effect in another
  MR so I think it's a fault in the baseline.)
  
  Metric Decrease:
      T5205
  

• 8b59e62c
  by Andreas Klebinger at 2026-01-16T17:18:52-05:00

  testsuite: Widen acceptance window for T5205.
  
  Fixes #26782
  

• 9e5e0234
  by mangoiv at 2026-01-17T06:03:03-05:00

  add a new issue template for getting verified
  
  To reduce spam created by new users, we will in future not grant
  any rights but reporting issues to new users. That is why we will
  have to be able to verify them. The added issue template serves that
  purpose.
  

• b18b2c42
  by Cheng Shao at 2026-01-17T06:03:44-05:00

  llvm: fix split sections for llvm backend
  
  This patch fixes split sections for llvm backend:
  
  - Pass missing `--data-sections`/`--function-sections` flags to
    llc/opt.
  - Use `@llvm.compiler.used` instead of `@llvm.used` to avoid sections
    being unnecessarily retained at link-time.
  
  Fixes #26770.
  
  -------------------------
  Metric Decrease:
      libdir
      size_hello_artifact
      size_hello_unicode
  -------------------------
  
  Co-authored-by: Codex <codex@openai.com>
  

• ebf66f67
  by Cheng Shao at 2026-01-17T13:16:50-05:00

  Update autoconf scripts
  
  Scripts taken from autoconf a2287c3041a3f2a204eb942e09c015eab00dc7dd
  

• 598624b9
  by Andreas Klebinger at 2026-01-17T13:17:32-05:00

  CString.hs: Update incorrect comment.
  
  Fixes #26322
  

• eea2036b
  by Cheng Shao at 2026-01-18T10:00:49-05:00

  libraries: bump haskeline submodule to 0.8.4.1
  
  This patch bumps the haskeline submodule to 0.8.4.1 which includes an
  important fix for an ANSI handling bug on Windows
  (https://github.com/haskell/haskeline/pull/126).
  

• 87d8f6c2
  by Cheng Shao at 2026-01-18T10:01:30-05:00

  hadrian: replace default -H32m/-H64m with -O64M to improve mutator productivity
  
  Most hadrian build flavours pass `-H32m`/`-H64m` to GHC as
  conventional wisdom to improve mutator productivity and reduce GC
  overhead. They were inherited from the legacy Make build system, and
  there used to be make flags to instrument a build process with
  `-Rghc-timing` option to collect GC stats of each GHC run from stderr.
  
  It's time to revisit whether there are better defaults for
  `-H32m`/`-H64m`, and this patch changes it to `-O64M` which indeed
  improves mutator productivity based on real statistics. `-O64M` is
  more aggressive than `-H64m`; it allows the old generation to grow to
  at least 64M before triggering major GC and reduces major GC runs.
  
  The stats of a clean build with `validate` flavour and `-H64m`:
  
  ```
  h64m.log
    matched RTS stat lines: 5499
    sum MUT cpu     : 2400.808 s
    sum GC cpu      : 1378.292 s
    sum MUT elapsed : 2788.253 s
    sum GC elapsed  : 1389.233 s
    GC/MUT cpu ratio     : 0.574 (GC is 57.4% of MUT)
    GC/MUT elapsed ratio : 0.498 (GC is 49.8% of MUT)
    GC fraction of (MUT+GC) cpu     : 36.5%
    GC fraction of (MUT+GC) elapsed : 33.3%
    per-line GC/MUT cpu ratio: median 0.691, p90 1.777
    per-line GC/MUT elapsed ratio: median 0.519, p90 1.081
  ```
  
  The stats of a clean build with `validate` flavour and `-O64M`:
  
  ```
  o64m.log
    matched RTS stat lines: 5499
    sum MUT cpu     : 2377.383 s
    sum GC cpu      : 1127.146 s
    sum MUT elapsed : 2758.857 s
    sum GC elapsed  : 1135.587 s
    GC/MUT cpu ratio     : 0.474 (GC is 47.4% of MUT)
    GC/MUT elapsed ratio : 0.412 (GC is 41.2% of MUT)
    GC fraction of (MUT+GC) cpu     : 32.2%
    GC fraction of (MUT+GC) elapsed : 29.2%
    per-line GC/MUT cpu ratio: median 0.489, p90 1.099
    per-line GC/MUT elapsed ratio: median 0.367, p90 0.806
  ```
  
  Mutator time is roughly in the same ballpark, but GC CPU time has
  reduced by 18.22%, and mutator productivity has increased from 63.5%
  to 67.8%.
  

• 8372e13d
  by Cheng Shao at 2026-01-18T10:02:12-05:00

  rts: remove unused .def files from rts/win32
  
  This patch removes unused .def files from `rts/win32`, given we don't
  build .dll files for rts/ghc-internal/ghc-prim at all. Even when we
  resurrect win32 dll support at some point in the future, these .def
  files still contain incorrect symbols anyway and won't be of any use.
  

• f6af485d
  by Cheng Shao at 2026-01-18T10:03:19-05:00

  .gitmodules: use gitlab mirror for the libffi-clib submodule
  
  This patch fixes .gitmodules to use the gitlab mirror for the
  libffi-clib submodule, to make it coherent with other submodules that
  allow ghc developers to experiment with wip branches in submodules for
  ghc patches. Fixes #26783.
  

• 41432d25
  by Cheng Shao at 2026-01-18T10:05:13-05:00

  hadrian: remove the horrible i386 speedHack
  
  When hadrian builds certain rts objects for i386, there's a horrible
  speedHack that forces -fno-PIC even for dynamic ways of those objects.
  This is not compatible with newer versions of gcc/binutils as well as
  clang/lld, and this patch removes it. Fixes #26792.
  

• 323eb8f0
  by Cheng Shao at 2026-01-18T21:48:19-05:00

  hadrian: enable split sections for cross stage0
  
  This patch fixes a minor issue with `splitSectionsArgs` in hadrian:
  previously, it's unconditionally disabled for stage0 libraries because
  it's not going to be shipped in the final bindists. But it's only true
  when not cross compiling. So for now we also need to enable it for
  cross stage0 as well.
  

• 3fadfefe
  by Andreas Klebinger at 2026-01-18T21:49:01-05:00

  RTS: Document -K behaviour better
  

• 30f442a9
  by Teo Camarasu at 2026-01-20T13:57:26-05:00

  base: don't expose GHC.Num.{BigNat, Integer, Natural}
  
  We no longer expose GHC.Num.{BigNat, Integer, Natural} from base instead users should get these modules from ghc-bignum.
  We make this change to insulate end users from changes to GHC's implementation of big numbers.
  Implements CLC proposal 359: https://github.com/haskell/core-libraries-committee/issues/359
  

• 75a9053d
  by Teo Camarasu at 2026-01-20T13:58:07-05:00

  base: deprecate GHC internals in GHC.Num
  
  Implements CLC proposal: https://github.com/haskell/core-libraries-committee/issues/360
  

• 9534b032
  by Andreas Klebinger at 2026-01-20T13:58:50-05:00

  ghc-experimental: Update Changelog
  
  I tried to reconstruct a high level overview of the changes and when
  they were made since we introduced it.
  
  Fixes #26506
  
  Co-authored-by: Teo Camarasu <teofilcamarasu@gmail.com>
  

• 346f2f5a
  by Cheng Shao at 2026-01-20T13:59:30-05:00

  hadrian: remove RTS options in ghc-in-ghci flavour
  
  This patch removes the RTS options passed to ghc in ghc-in-ghci
  flavour, to workaround command line argument handling issue in
  hls/hie-boot that results in `-O64M` instead of `+RTS -O64M -RTS`
  being passed to ghc. It's not a hadrian bug per se, since ghc's own
  ghc-in-ghci multi repl works fine, but we should still make sure HLS
  works. Closes #26801.
  

• 759fd15a
  by Andreas Klebinger at 2026-01-21T16:05:28-05:00

  Don't build GHC with -Wcompat
  
  Without bumping the boot compiler the warnings it produces are often not
  actionable leading to pointless noise.
  
  Fixes #26800
  

• 3172db94
  by Torsten Schmits at 2026-01-21T16:06:11-05:00

  Use the correct field of ModOrigin when formatting error message listing hidden reexports
  

• 485c12b2
  by Cheng Shao at 2026-01-21T16:06:54-05:00

  Revert "hadrian: handle findExecutable "" gracefully"
  
  This reverts commit 1e5752f64a522c4025365856d92f78073a7b3bba. The
  underlying issue has been fixed in
  https://github.com/haskell/directory/commit/75828696e7145adc09179111a0d631b9a09963a4
  and present since 1.3.9.0, and hadrian directory lower bound is
  1.3.9.0, so we can revert our own in house hack now.
  

• 5efb58dc
  by Cheng Shao at 2026-01-21T16:07:36-05:00

  rts: fix typo in TICK_ALLOC_RTS
  
  This patch fixes a typo in the `TICK_ALLOC_RTS` macro, the original
  `bytes` argument was silently dropped. The Cmm code has its own
  version of `TICK_ALLOC_RTS` not affected by this typo, it affected the
  C RTS, and went unnoticed because the variable `n` happened to also be
  available at its call site. But the number was incorrect. Also fixes
  its call site since `WDS()` is not available in C.
  

• c406ea69
  by Cheng Shao at 2026-01-21T16:07:36-05:00

  rts: remove broken & unused ALLOC_P_TICKY
  
  This patch removes the `ALLOC_P_TICKY` macro from the rts, it's
  unused, and its expanded code is already broken.
  

• 34a27e20
  by Simon Peyton Jones at 2026-01-21T16:08:17-05:00

  Make the implicit-parameter class have representational role
  
  This MR addresses #26737, by making the built-in class IP
  have a representational role for its second parameter.
  
  See Note [IP: implicit parameter class] in
    ghc-internal:GHC.Internal.Classes.IP
  
  In fact, IP is (unfortunately, currently) exposed by
  base:GHC.Base, so we ran a quick CLC proposal to
  agree the change:
    https://github.com/haskell/core-libraries-committee/issues/385
  
  Some (small) compilations get faster because they only need to
  load (small) interface file GHC.Internal.Classes.IP.hi,
  rather than (large) GHC.Internal.Classes.hi.
  
  Metric Decrease:
      T10421
      T12150
      T12425
      T24582
      T5837
      T5030
  

• ca79475f
  by Cheng Shao at 2026-01-21T16:09:00-05:00

  testsuite: avoid re.sub in favor of simple string replacements
  
  This patch refactors the testsuite driver and avoids the usage of
  re.sub in favor of simple string replacements when possible. The
  changes are not comprehensive, and there are still a lot of re.sub
  usages lingering around the tree, but this already addresses a major
  performance bottleneck in the testsuite driver that might has to do
  with quadratic or worse slowdown in cpython's regular expression
  engine when handling certain regex patterns with large strings.
  Especially on i386, and i386 jobs are the bottlenecks of all full-ci
  validate pipelines!
  
  Here are the elapsed times of testing x86_64/i386 with -j48 before
  this patch:
  
  x86_64: `Build completed in 6m06s`
  i386: `Build completed in 1h36m`
  
  And with this patch:
  
  x86_64: `Build completed in 4m55s`
  i386: `Build completed in 4m23s`
  
  Fixes #26786.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 88c93796
  by Zubin Duggal at 2026-01-21T16:09:42-05:00

  ghc-toolchain: Also configure windres on non-windows platforms.
  It may be needed for cross compilation.
  
  Fixes #24588
  

• 9788c0ec
  by Cheng Shao at 2026-01-21T16:10:24-05:00

  ghci: print external interpreter trace messages to stderr instead of stdout
  
  This patch makes ghci print external interpreter trace messages to
  stderr instead of stdout, which is a much saner choice for diagnostic
  information. Closes #26807.
  

• 0491f08a
  by Sylvain Henry at 2026-01-22T03:44:26-05:00

  GC: don't use CAS without PARALLEL_GC on
  
  If we're not using the parallel GC, there is no reason to do a costly
  CAS. This was flagged as taking time in a perf profile.
  

• 211a8f56
  by Sylvain Henry at 2026-01-22T03:44:26-05:00

  GC: suffix parallel GC with "par" instead of "thr"
  
  Avoid some potential confusion (see discussion in !15351).
  

• 77a23cbd
  by fendor at 2026-01-22T03:45:08-05:00

  Remove blanket ignore that covers libraries/
  

• 18bf7f5c
  by Léana Jiang at 2026-01-22T08:58:45-05:00

  doc: update Flavour type in hadrian user-settings
  

• 3d5a1365
  by Cheng Shao at 2026-01-22T08:59:28-05:00

  hadrian: add missing notCross predicate for stage0 -O0
  
  There are a few hard-coded hadrian args that pass -O0 when compiling
  some heavy modules in stage0, which only makes sense when not
  cross-compiling and when cross-compiling we need properly optimized
  stage0 packages. So this patch adds the missing `notCross` predicate
  in those places.
  

• ee937134
  by Matthew Pickering at 2026-01-22T09:00:10-05:00

  Fix ghc-experimental GHC.Exception.Backtrace.Experimental module
  
  This module wasn't added to the cabal file so it was never compiled or
  included in the library.
  

• 1b490f5a
  by Zubin Duggal at 2026-01-22T09:00:53-05:00

  hadrian: Add ghc-{experimental,internal}.cabal to the list of dependencies of the doc target
  We need these files to detect the version of these libraries
  
  Fixes #26738
  

• cdb74049
  by Cheng Shao at 2026-01-22T14:52:36-05:00

  rts: avoid Cmm loop to initialize Array#/SmallArray#
  
  Previously, `newArray#`/`newSmallArray#` called an RTS C function to
  allocate the `Array#`/`SmallArray#`, then used a Cmm loop to
  initialize the elements. Cmm doesn't have native for-loop so the code
  is a bit awkward, and it's less efficient than a C loop, since the C
  compiler can effectively vectorize the loop with optimizations.
  
  So this patch moves the loop that initializes the elements to the C
  side. `allocateMutArrPtrs`/`allocateSmallMutArrPtrs` now takes a new
  `init` argument and initializes the elements if `init` is non-NULL.
  

• 4c784f00
  by Cheng Shao at 2026-01-22T14:53:19-05:00

  Fix testsuite run for +ipe flavour transformer
  
  This patch makes the +ipe flavour transformer pass the entire
  testsuite:
  
  - An RTS debug option `-DI` is added, the IPE trace information is now
    only printed with `-DI`. The test cases that do require IPE trace
    are now run with `-DI`.
  - The testsuite config option `ghc_with_ipe` is added, enabled when
    running the testsuite with `+ipe`, which skips a few tests that are
    sensitive to eventlog output, allocation patterns etc that can fail
    under `+ipe`.
  
  This is the first step towards #26799.
  
  Co-authored-by: Codex <codex@openai.com>
  

• be8e5236
  by Ben Gamari at 2026-01-23T03:28:45-05:00

  hadrian: Bump QuickCheck upper bound
  
  This patch bumps QuickCheck upper bound to 2.18. selftest rule
  manually tested to work with current latest QuickCheck-2.17.1.0.
  

• 5aa328fb
  by Zubin Duggal at 2026-01-23T03:29:30-05:00

  Add genindex to index.rst. This adds a link to the index in the navigation bar.
  
  Fixes #26437
  

• 917ab8ff
  by Oleg Grenrus at 2026-01-23T10:52:55-05:00

  Export labelThread from Control.Concurrent
  

• 3f5e8d80
  by Cheng Shao at 2026-01-23T10:53:37-05:00

  ci: only push perf notes on master/release branches
  
  This patch fixes push_perf_notes logic in ci.sh to only push perf
  notes on master/release branches. We used to unconditionally push perf
  notes even in MRs, but the perf numbers in the wip branches wouldn't
  be used as baseline anyway, plus this is causing a space leak in the
  ghc-performance-notes repo. See #25317 for the perf notes repo size
  problem.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 414b9593
  by Cheng Shao at 2026-01-24T07:11:51-05:00

  ci: remove duplicate keys in .gitlab-ci.yml
  
  This patch removes accidentally duplicate keys in `.gitlab-ci.yml`.
  The YAML spec doesn't allow duplicate keys in the first place, and
  according to GitLab docs
  (https://docs.gitlab.com/ci/yaml/yaml_optimization/#anchors), the
  latest key overrides the earlier entries.
  

• e5cb5491
  by Cheng Shao at 2026-01-24T07:12:34-05:00

  hadrian: drop obsolete configure/make builder logic for libffi
  
  This patch drops obsolete hadrian logic around `Configure
  libffiPath`/`Make libffiPath` builders, they are no longer needed
  after libffi-clib has landed. Closes #26815.
  

• 2d160222
  by Simon Hengel at 2026-01-24T07:13:17-05:00

  Fix typo in roles.rst

• 56db94f7
  by Peter Trommler at 2026-01-26T11:26:18+01:00

  PPC NCG: Generate clear right insn at arch width
  
  The clear right immediate (clrrxi) is only available in word and
  doubleword width. Generate clrrxi instructions at architecture
  width for all MachOp widths.
  
  Fixes #24145
  

• 5957a8ad
  by Wolfgang Jeltsch at 2026-01-27T06:11:40-05:00

  Add operations for obtaining operating-system handles
  
  This contribution implements CLC proposal #369. It adds operations for
  obtaining POSIX file descriptors and Windows handles that underlie
  Haskell handles. Those operating system handles can also be obtained
  without such additional operations, but this is more involved and, more
  importantly, requires using internals.
  

• 86a0510c
  by Greg Steuck at 2026-01-27T06:12:34-05:00

  Move flags to precede patterns for grep and read files directly
  
  This makes the tests pass with non-GNU (i.e. POSIX-complicant) tools.
  There's no reason to use cat and pipe where direct file argument works.
  

• 50761451
  by Cheng Shao at 2026-01-27T21:51:23-05:00

  ci: update darwin boot ghc to 9.10.3
  
  This patch updates darwin boot ghc to 9.10.3, along with other related
  updates, and pays off some technical debt here:
  
  - Update `nixpkgs` and use the `nixpkgs-25.05-darwin` channel.
  - Update the `niv` template.
  - Update LLVM to 21 and update `llvm-targets` to reflect LLVM 21
    layout changes for arm64/x86_64 darwin targets.
  - Use `stdenvNoCC` to prevent nix packaged apple sdk from being used
    by boot ghc, and manually set `DEVELOPER_DIR`/`SDKROOT` to enforce
    the usage of system-wide command line sdk for macos.
  - When building nix derivation for boot ghc, run `configure` via the
    `arch` command so that `configure` and its subprocesses pick up the
    manually specified architecture.
  - Remove the previous horrible hack that obliterates `configure` to
    make autoconf test result in true. `configure` now properly does its
    job.
  - Remove the now obsolete configure args and post install settings
    file patching logic.
  - Use `scheme-small` for texlive to avoid build failures in certain
    unused texlive packages, especially on x86_64-darwin.
  

• 94dcd15e
  by Matthew Pickering at 2026-01-27T21:52:05-05:00

  Evaluate backtraces for "error" exceptions at the moment they are thrown
  
  See Note [Capturing the backtrace in throw] and
  Note [Hiding precise exception signature in throw] which explain the
  implementation.
  
  This commit makes `error` and `throw` behave the same with regard to
  backtraces. Previously, exceptions raised by `error` would not contain
  useful IPE backtraces.
  
  I did try and implement `error` in terms of `throw` but it started to
  involve putting diverging functions into hs-boot files, which seemed to
  risky if the compiler wouldn't be able to see if applying a function
  would diverge.
  
  CLC proposal: https://github.com/haskell/core-libraries-committee/issues/383
  
  Fixes #26751
  

• ef35e3ea
  by Teo Camarasu at 2026-01-27T21:52:46-05:00

  ghc-internal: move all Data instances to Data.Data
  
  Most instances of Data are defined in GHC.Internal.Data.Data.
  Let's move all remaining instance there.
  
  This moves other modules down in the dependency hierarchy allowing for
  more parallelism, and it decreases the likelihood that we would need to
  load this heavy .hi file if we don't actually need it.
  
  Resolves #26830
  
  Metric Decrease:
      T12227
      T16875
  

• 5e0ec555
  by sheaf at 2026-01-28T06:56:38-05:00

  Add test case for #25679
  
  This commit adds the T25679 test case. The test now passes, thanks to
  commit 1e53277af36d3f0b6ad5491f70ffc5593a49dcfd.
  
  Fixes #25679
  

• f1cd1611
  by sheaf at 2026-01-28T06:56:38-05:00

  Improve defaulting of representational equalities
  
  This commit makes the defaulting of representational equalities, introduced
  in 1e53277a, a little bit more robust. Now, instead of calling the eager
  unifier, it calls the full-blown constraint solver, which means that it can
  handle some subtle situations, e.g. involving functional dependencies and
  type-family injectivity annotations, such as:
  
    type family F a = r | r -> a
    type instance F Int = Bool
  
    [W] F beta ~R Bool
  

• 25edf516
  by sheaf at 2026-01-28T06:56:38-05:00

  Improve errors for unsolved representational equalities
  
  This commit adds a new field of CtLoc, CtExplanations, which allows the
  typechecker to leave some information about what it has done. For the moment,
  it is only used to improve error messages for unsolved representational
  equalities. The typechecker will now accumulate, when unifying at
  representational role:
  
    - out-of-scope newtype constructors,
    - type constructors that have nominal role in a certain argument,
    - over-saturated type constructors,
    - AppTys, e.g. `c a ~R# c b`, to report that we must assume that 'c' has
      nominal role in its parameters,
    - data family applications that do not reduce, potentially preventing
      newtype unwrapping.
  
  Now, instead of having to re-construct the possible errors after the fact,
  we simply consult the CtExplanations field.
  
  Additionally, this commit modifies the typechecker error messages that
  concern out-of-scope newtype constructors. The error message now depends
  on whether we have an import suggestion to provide to the user:
  
    - If we have an import suggestion for the newtype constructor,
      the message will be of the form:
  
        The data constructor MkN of the newtype N is out of scope
        Suggested fix: add 'MkN' to the import list in the import of 'M'
  
    - If we don't have any import suggestions, the message will be
      of the form:
  
        NB: The type 'N' is an opaque newtype, whose constructor is hidden
  
  Fixes #15850, #20289, #20468, #23731, #25949, #26137
  

• 4d0e6da1
  by Simon Peyton Jones at 2026-01-28T06:57:19-05:00

  Fix two bugs in short-cut constraint solving
  
  There are two main changes here:
  
  * Use `isSolvedWC` rather than `isEmptyWC` in `tryShortCutSolver`
    The residual constraint may have some fully-solved, but
    still-there implications, and we don't want them to abort short
    cut solving!  That bug caused #26805.
  
  * In the short-cut solver, we abandon the fully-solved residual
    constraint; but we may thereby lose track of Givens that are
    needed, and either report them as redundant or prune evidence
    bindings that are in fact needed.
  
    This bug stopped the `constraints` package from compiling;
    see the trail in !15389.
  
  The second bug led me to (another) significant refactoring
  of the mechanism for tracking needed EvIds.   See the new
     Note [Tracking needed EvIds] in GHC.Tc.Solver.Solve
  It's simpler and much less head-scratchy now.
  
  Some particulars:
  
  * An EvBindsVar now tracks NeededEvIds
  
  * We deal with NeededEvIds for an implication only when it is
    fully solved.  Much simpler!
  
  * `tryShortCutTcS` now takes a `TcM WantedConstraints` rather than
    `TcM Bool`, so that is can plumb the needed EvIds correctly.
  
  * Remove `ic_need` and `ic_need_implic` from Implication (hooray),
    and add `ics_dm` and `ics_non_dm` to `IC_Solved`.
  
  Pure refactor
  * Shorten data constructor `CoercionHole` to `CH`, following
    general practice in GHC.
  * Rename `EvBindMap` to `EvBindsMap` for consistency
  

• 662480b7
  by Cheng Shao at 2026-01-28T06:58:00-05:00

  ci: use debian validate bindists instead of fedora release bindists in testing stage
  
  This patch changes the `abi-test`, `hadrian-multi` and `perf` jobs in
  the full-ci pipeline testing stage to use debian validate bindists
  instead of fedora release bindists, to increase pipeline level
  parallelism and allow full-ci pipelines to complete earlier. Closes #26818.
  

• 39581ec6
  by Cheng Shao at 2026-01-28T06:58:40-05:00

  ci: run perf test with -j$cores
  
  This patch makes the perf ci job compile Cabal with -j$cores to speed
  up the job.
  

• 607b287b
  by Wolfgang Jeltsch at 2026-01-28T15:41:53+02:00

  Remove `GHC.Desugar` from `base`
  
  `GHC.Desugar` was deprecated and should have been removed in GHC 9.14.
  However, the removal was forgotten, although there was a code block that
  was intended to trigger a compilation error when the GHC version in use
  was 9.14 or later. This code sadly didn’t work, because the
  `__GLASGOW_HASKELL__` macro was misspelled as `__GLASGOW_HASKELL`.
  

• e8f5a45d
  by sterni at 2026-01-29T04:19:18-05:00

  users_guide: fix runtime error during build with Sphinx 9.1.0
  
  Appears that pathto is stricter about what it accepts now.
  Tested Sphinx 8.2.3 and 9.1.0 on the ghc-9.10 branch.
  
  Resolves #26810.
  
  Co-authored-by: Martin Weinelt <hexa@darmstadt.ccc.de>
  

• ce2d62fb
  by Jessica Clarke at 2026-01-29T19:48:51-05:00

  PPC NCG: Use libcall for 64-bit cmpxchg on 32-bit PowerPC
  
  There is no native instruction for this, and even if there were a
  register pair version we could use, the implementation here is assuming
  the values fit in a single register, and we end up only using / defining
  the low halves of the registers.
  
  Fixes: b4d39adbb5 ("PrimOps: Add CAS op for all int sizes")
  Fixes: #23969
  

• 43d97761
  by Michael Karcher at 2026-01-29T19:49:43-05:00

  NCG for PPC: add pattern for CmmRegOff to iselExpr64
  
  Closes #26828

• aeeb4a20
  by Matthew Pickering at 2026-01-30T11:42:47-05:00

  determinism: Use deterministic map for Strings in TyLitMap
  
  When generating typeable evidence the types we need evidence for all
  cached in a TypeMap, the order terms are retrieved from a type map
  determines the order the bindings appear in the program.
  
  A TypeMap is quite diligent to use deterministic maps, apart from in the
  TyLitMap, which uses a UniqFM for storing strings, whose ordering
  depends on the Unique of the FastString.
  
  This can cause non-deterministic .hi and .o files.
  
  An unexpected side-effect is the error message but RecordDotSyntaxFail8
  changing. I looked into this with Sam and this change caused the
  constraints to be solved in a different order which results in a
  slightly different error message. I have accepted the new test, since
  the output before was non-deterministic and the new output is consistent
  with the other messages in that file.
  
  Fixes #26846
  

• 9e4d70c2
  by Andrew Lelechenko at 2026-01-30T11:43:29-05:00

  Upgrade text submodule to 2.1.4
  

• 631fa5ae
  by Recursion Ninja at 2026-01-31T22:30:11+00:00

  Decouple `L.S.H.Decls` from importing `GHC.Types.Basic`
  
  Data-types within `GHC.Types.Basic` which describe components of
  the AST are migrated to `Language.Haskell.Syntax.Basic`. Related
  function definitions are also moved.
  
  Types moved to L.H.S. because they are part of the AST:
    * TopLevelFlag
    * RuleName
  
  Types moved from L.H.S. to GHC.Hs. because they are not needed in the AST:
    * TyConFlavour
    * TypeOrData
    * NewOrData
  
  Migrated instances:
    * `Outputable` instances moved to in `GHC.Utils.Outputable`
    * `Binary` instance of `Boxity` moved to to `GHC.Utils.Binary`
    * Other `Binary` instances are orphans to be migrated later.
  
  The `OverlapMode` data-type is given a TTG extension point.
  The `OverlapFlag` data-type, which depends on `OverlapMode`,
  is updated to support `OverlapMode` with a GHC "pass" type paramerter.
  In order to avoid module import cycles, `OverlapMode` and `OverlapFlag`
  are migrated to new modules (no way around this).
  
    * Migrated `OverlapMode` to new module `Language.Haskell.Syntax.Overlap`
    * Migrated `OverlapFlag` to new module `GHC.Hs.Decls.Overlap`
  

• 9769cc03
  by Simon Hengel at 2026-02-01T04:21:03-05:00

  Update the documentation for MultiWayIf (fixes #25376)
  
  (so that it matches the implementation)
  

• 5fc9442a
  by Peter Trommler at 2026-02-01T04:21:44-05:00

  hadrian: Fix dependency generation for assembler
  
  Assembler files allow # for comments unless in column 1. A modern
  cpp for C treats those a preprocessor directives. We tell gcc that
  a .S file is assembler with cpp and not C.
  
  Fixes #26819
  

• 269c4087
  by Simon Peyton Jones at 2026-02-01T19:38:10-05:00

  Include current phase in the range for rule/unfoldings
  
  This MR fixes a bad loop in the compiler: #26826.
  
  The fix is to add (WAR2) to
     Note [What is active in the RHS of a RULE or unfolding?]
  in GHC.Core.Opt.Simplify.Utils
  

• ddf1434f
  by Vladislav Zavialov at 2026-02-01T19:38:52-05:00

  Refactor: merge HsMultilineString into HsString (#26860)
  
  Before this patch, HsLit defined two separate constructors to represent
  single-line and multi-line strings:
  
  	data HsLit x
  	  ...
  	  | HsString (XHsString x) FastString
  	  | HsMultilineString (XHsMultilineString x) FastString
  
  I found this to be an unnecessary complication and an obstacle to unifying
  HsLit with HsTyLit. Now we use HsString for both kinds of literals.
  
  One user-facing change here is `ppr (HsString st s)` behaving differently for
  single-line strings containing newlines:
  
  	x = "first line \
  	    \asdf\n\
  	    \second line"
  
  Previously, the literal was fed to `ftext` with its newlines, producing an
  ill-formed SDoc. This issue is now addressed by using `split` for both
  single-line and multi-line strings:
  
  	vcat $ map text $ split '\n' (unpackFS src)
  
  See the parser/should_fail/T26860ppr test.
  
  In addition (and unrelatedly to the main payload of this patch),
  drop the unused pmPprHsLit helper.
  

• 2b4f463c
  by Simon Peyton Jones at 2026-02-02T17:32:32+00:00

  Remove exprIsCheap from doFloatFromRhs
  
  See #26854 and Note [Float when expandable]
  
  This patch simplifies the code, by removing an extra unnecessary test.
  

• 9db7f21f
  by Brandon Chinn at 2026-02-03T09:15:10-05:00

  Refactor: make function patterns exhaustive
  
  Also added missing (==) logic for:
    * HsMultilineString
    * HsInt{8,16,32}
    * HsWord{8,16,32}
  

• aa9c5e2c
  by Hécate Kleidukos at 2026-02-03T15:58:35-05:00

  driver: Hide source paths at verbosity level 1 by default
  

• c64cca1e
  by mangoiv at 2026-02-03T15:59:29-05:00

  ExplicitLevelImports: check staging for types just like for values
  
  Previously, imported types were entirely exempted from staging checks as
  the implicit stage persistance assumed to be all imported types to be
  well staged. ExplicitLevelImports' change specification, however, does
  not do such an exemption. Thus we want to introduce such a check, just
  like we have for values.
  ExplicitLevelImports does not, however, talk about local names - from
  its perspective, we could theoretically keep treating locally introduced
  types specially - e.g. an ill-staged used in a quote would only emit a
  warning, not an error. To allow for a potential future migration away
  from such wrinkles as the staging check in notFound
  (see  Note [Out of scope might be a staging error]) we consistently do
  the strict staging check that we also do for value if ExplicitLevelImports
  is on.
  
  Closes #26098
  

• 5f0dbeb6
  by Simon Hengel at 2026-02-03T16:00:12-05:00

  Use Haddock formatting in deprecation message of `initNameCache`

• 01ecb612
  by Andreas Klebinger at 2026-02-04T09:56:25-05:00

  testsuite: Explicitly use utf-8 encoding in rts-includes linter.
  
  Not doing so caused failures on windows, as python failed to pick a
  reasonable encoding even with locale set.
  
  Fixes #26850
  

• ea0d1317
  by Zubin Duggal at 2026-02-04T09:57:06-05:00

  Bump transformers submodule to 0.6.3.0
  
  Fixes #26790
  

• cbe4300e
  by Simon Peyton Jones at 2026-02-05T04:31:04-05:00

  Fix subtle bug in GHC.Core.Utils.mkTick
  
  This patch fixes a decade-old bug in `mkTick`, which
  could generate type-incorrect code!  See the diagnosis
  in #26772.
  
  The new code is simpler and easier to understand.
  (As #26772 says, I think it could be improved further.)
  

• a193a8da
  by Simon Peyton Jones at 2026-02-05T04:31:04-05:00

  Modify a debug-trace in the Simplifier
  
  ...just to show a bit more information.
  

• b579dfdc
  by Simon Peyton Jones at 2026-02-05T04:31:04-05:00

  Fix long-standing interaction between ticks and casts
  
  The code for Note [Eliminate Identity Cases] was simply wrong when
  ticks and casts interacted.  This patch fixes the interaction.
  
  It was shown up when validating #26772, although it's not the exactly
  the bug that's reported by #26772.  Nor is it easy to reproduce, hence
  no regression test.
  

• fac0de1e
  by Cheng Shao at 2026-02-05T04:31:49-05:00

  libraries: bump Cabal submodule to 3.16.1.0
  

• 00589122
  by Cheng Shao at 2026-02-05T04:31:49-05:00

  libraries: bump deepseq submodule to 1.5.2.0
  
  Also:
  
  - Get rid of usage of deprecated `NFData` function instance in the
    compiler
  - `T21391` still relies on `NFData` function instance, add
    `-Wno-deprecations` for the time being.
  

• 84474c71
  by Cheng Shao at 2026-02-05T04:31:50-05:00

  libraries: bump directory submodule to 1.3.10.1
  

• 1a9f4662
  by Cheng Shao at 2026-02-05T04:31:50-05:00

  libraries: bump exceptions submodule to 0.10.12
  

• 2e39a340
  by Peng Fan at 2026-02-07T03:42:01-05:00

  NCG/LA64: adjust register usage to avoid src-register being clobbered
  

• 9faf1b35
  by Teo Camarasu at 2026-02-07T03:42:43-05:00

  ghc-internal: Delete unnecessary GHC.Internal.Data.Ix
  
  This module merely re-exports GHC.Internal.Ix. It was copied from
  `base` when `ghc-internal` was split, but there is no reason to have
  this now. So, let's delete it.
  
  Resolves #26848
  

• d112b440
  by Sven Tennie at 2026-02-07T10:47:56-05:00

  Add cabal.project file to generate-ci
  
  This fixes the HLS setup for our CI code generation script
  (generate-ci).
  
  The project file simply makes `generate-ci` of the cabal file
  discoverable.
  

• 5339f6f0
  by Andreas Klebinger at 2026-02-07T10:48:40-05:00

  CI: Don't collapse test results.
  
  This puts test output back into the primary test log instead of a
  subsection removing the need to expand a section to see test results.
  
  While the intention was good in practice the old behaviour mostly wastes time
  by requiring expansion of the section.
  
  Fixes #26882
  

• 0e1cd2e0
  by Evan Piro at 2026-02-08T10:35:16-08:00

  Linker.MacOS reduce dynflags import
  

• 1c79a4cd
  by Michael Alan Dorman at 2026-02-09T08:11:51-05:00

  Remove `extra_src_files` variable from `testsuite/driver/testlib.py`
  
  While reading through the test harness code, I noticed this variable
  with a TODO attached that referenced #12223.  Although that bug is
  closed, it strongly implied that this special-case variable that only
  affected a single test was expected to be removed at some point.
  
  I also looked at 3415bcaa0b1903b5e12dfaadb5b774718e406eab---where it
  was added---whose commit message suggested that it would have been
  desirable to remove it, but that there were special circumstances that
  meant it had to remain (though it doesn't elucidate what those special
  circumstances are).
  
  However, the special circumstances were mentioned as if the test was
  in a different location than is currently is, so I decided to try
  changing the test to use the standard `extra_files` mechanism, which
  works in local testing.
  
  This also seems like a reasonable time to remove the script that was
  originally used in the transition, since it doesn't really serve a
  purpose anymore.
  

• 0020e38a
  by Matthew Pickering at 2026-02-09T17:29:14-05:00

  determinism: Use a stable sort in WithHsDocIdentifiers binary instance
  
  `WithHsDocIdentifiers` is defined as
  
  ```
   71 data WithHsDocIdentifiers a pass = WithHsDocIdentifiers
   72   { hsDocString      :: !a
   73   , hsDocIdentifiers :: ![Located (IdP pass)]
   74   }
  ```
  
  This list of names is populated from `rnHsDocIdentifiers`, which calls
  `lookupGRE`, which calls `lookupOccEnv_AllNameSpaces`, which calls
  `nonDetEltsUFM` and returns the results in an order depending on
  uniques.
  
  Sorting the list with a stable sort before returning the interface makes
  the output deterministic and follows the approach taken by other fields
  in `Docs`.
  
  Fixes #26858
  

• 89898ce6
  by echoumcp1 at 2026-02-09T17:30:01-05:00

  Replace putstrln with logMsg in handleSeqHValueStatus
  
  Fixes #26549
  

• 7c52c4f9
  by John Paul Adrian Glaubitz at 2026-02-10T13:52:43-05:00

  rts: Switch prim to use modern atomic compiler builtins
  
  The __sync_*() atomic compiler builtins have been deprecated in GCC
  for a while now and also don't provide variants for 64-bit values
  such as __sync_fetch_and_add_8().
  
  Thus, replace them with the modern __atomic_*() compiler builtins and
  while we're at it, also drop the helper macro CAS_NAND() which is now
  no longer needed since we stopped using the __sync_*() compiler builtins
  altogether.
  
  Co-authored-by: Ilias Tsitsimpis <iliastsi@debian.org>
  
  Fixes #26729
  

• cf60850a
  by Recursion Ninja at 2026-02-10T13:53:27-05:00

  Decoupling L.H.S.Decls from GHC.Types.ForeignCall
  
    - Adding TTG extension point for 'CCallTarget'
    - Adding TTG extension point for 'CType'
    - Adding TTG extension point for 'Header'
    - Moving ForeignCall types that do not need extension
      to new L.H.S.Decls.Foreign module
    - Replacing 'Bool' parameters with descriptive data-types
      to increase clairty and prevent "Boolean Blindness"
  

• 11a04cbb
  by Eric Lee at 2026-02-11T09:20:46-05:00

  Derive Semigroup/Monoid for instances believed could be derived in #25871
  

• 15d9ce44
  by Eric Lee at 2026-02-11T09:20:46-05:00

  add Ghc.Data.Pair deriving
  

• c85dc170
  by Evan Piro at 2026-02-11T09:21:45-05:00

  Linker.MacOS reduce options import
  

• a541dd83
  by Chris Wendt at 2026-02-11T16:06:41-05:00

  Initialize plugins for `:set +c` in GHCi
  
  Fixes #23110.
  

• 0f5a73bc
  by Cheng Shao at 2026-02-11T16:07:27-05:00

  compiler: add Binary Text instance
  
  This patch adds `Binary` instance for strict `Text`, in preparation of
  making `Text` usable in certain GHC API use cases (e.g. haddock). This
  also introduces `text` as a direct dependency of the `ghc` package.
  

• 9e58b8a1
  by Cheng Shao at 2026-02-11T16:08:10-05:00

  ghc-toolchain: add C11 check
  
  This patch partially reverts commit
  b8307eab80c5809df5405d76c822bf86877f5960 that removed C99 check in
  autoconf/ghc-toolchain. Now we:
  
  - No longer re-implement `FP_SET_CFLAGS_C11` similar to
    `FP_SET_CFLAGS_C99` in the past, since autoconf doesn't provide a
    convenient `AC_PROG_CC_C11` function. ghc-toolchain will handle it
    anyway.
  - The Cmm CPP C99 check is relanded and repurposed for C11.
  - The C99 logic in ghc-toolchain is relanded and repurposed for C11.
  - The C99 check in Stg.h is corrected to check for C11. The obsolete
    _ISOC99_SOURCE trick is dropped.
  - Usages of `-std=gnu99` in the testsuite are corrected to use
    `-std=gnu11`.
  
  Closes #26908.
  

• 4df0adf6
  by Simon Peyton Jones at 2026-02-11T21:50:13-05:00

  Simplify the treatment of static forms
  
  This MR implements GHC proposal 732: simplify static forms,
     https://github.com/ghc-proposals/ghc-proposals/pull/732
  thereby addressing #26556.
  
  See `Note [Grand plan for static forms]` in GHC.Iface.Tidy.StaticPtrTable
  
  The main changes are:
  
  * There is a new, simple rule for (static e), namely that the free
    term variables of `e` must be bound at top level.  The check is
    done in the `HsStatic` case of `GHC.Rename.Expr.rnExpr`
  
  * That in turn substantially simplifies the info that the typechecker
    carries around in its type environment.  Hooray.
  
  * The desugarer emits static bindings to top level directly; see the
    `HsStatic` case of `dsExpr`.
  
  * There is no longer any special static-related magic in the FloatOut
    pass.  And the main Simplifier pipeline no longer needs a special case
    to run FloatOut even with -O0.  Hooray.
  
  All this forced an unexpected change to the pattern match checker. It
  recursively invokes the main Hs desugarer when it wants to take a look
  at a term to spot some special cases (notably constructor applications).
  We don't want to emit any nested (static e) bindings to top level a
  second time!  Yikes.
  
  That forced a modest refactor in GHC.HsToCore.Pmc:
  
  * The `dsl_nablas` field of `DsLclEnv` now has a `NoPmc` case, which says
    "I'm desugaring just for pattern-match checking purposes".
  
  * When that flag is set we don't emit static binds.
  
  That in turn forces a cascade of refactoring, but the net effect is an
  improvement; less risk of duplicated (even exponential?) work.
  
  See Note [Desugaring HsExpr during pattern-match checking].
  
  10% metric decrease, on some architectures, of compile-time max-bytes-used on T15304.
  
  Metric Decrease:
      T15304
  

• 7922f728
  by Teo Camarasu at 2026-02-11T21:50:58-05:00

  ghc-internal: avoid depending on GHC.Internal.Exts
  
  This module is mostly just re-exports. It made sense as a user-facing
  module, but there's no good reason ghc-internal modules should depend on
  it and doing so linearises the module graph
  
  - move considerAccessible to GHC.Internal.Magic
  
  Previously it lived in GHC.Internal.Exts, but it really deserves to live
  along with the other magic function, which are already re-exported from .Exts
  
  - move maxTupleSize to GHC.Internal.Tuple
  
  This previously lived in GHC.Internal.Exts but a comment already said it
  should be moved to .Tuple
  
  Resolves #26832
  

• b6a4a29b
  by Eric Lee at 2026-02-11T21:51:55-05:00

  Remove unused Semigroup imports to fix GHC 9.14 bootstrapping
  

• 99d8c146
  by Simon Peyton Jones at 2026-02-12T17:36:59+00:00

  Fix subtle bug in cast worker/wrapper
  
  See (CWw4) in Note [Cast worker/wrapper].
  
  The true payload is in the change to the definition of
     GHC.Types.Id.Info.hasInlineUnfolding
  Everthing else is just documentation.
  
  There is a 2% compile time decrease for T13056;
  I'll take the win!
  
  Metric Decrease:
      T13056
  

• 530e8e58
  by Simon Peyton Jones at 2026-02-12T20:17:23-05:00

  Add regression tests for four StaticPtr bugs
  
  Tickets #26545, #24464, #24773, #16981 are all solved by the
  recently-landed MR
  
      commit 318ee13bcffa6aa8df42ba442ccd92aa0f7e210c
      Author: Simon Peyton Jones <simon.peytonjones@gmail.com>
      Date:   Mon Oct 20 23:07:20 2025 +0100
  
      Simplify the treatment of static forms
  
  This MR just adds regression tests for them.
  

• 4157160f
  by Cheng Shao at 2026-02-13T06:27:04-05:00

  ci: remove unused hlint-ghc-and-base job definition
  
  This patch removes the unused `hlint-ghc-and-base` job definition,
  it's never run since !9806. Note that hadrian lint rules still work
  locally, so anyone that wishes to run hlint on the codebase can
  continue to do so in their local worktree.
  

• 039f1977
  by Cheng Shao at 2026-02-13T06:27:47-05:00

  wasm: use import.meta.main for proper distinction of nodejs main modules
  
  This patch uses `import.meta.main` for proper distinction of nodejs
  main modules, especially when the main module might be installed as a
  symlink. Fixes #26916.
  

• 14f485ee
  by ARATA Mizuki at 2026-02-17T09:09:24+09:00

  Support more x86 extensions: AVX-512 {BW,DQ,VL} and GFNI
  
  Also, mark AVX-512 ER and PF as deprecated.
  
  AVX-512 instructions can be used for certain 64-bit integer vector operations.
  
  GFNI can be used to implement bitReverse (currently not used by NCG, but LLVM may use it).
  
  Closes #26406
  Addresses #26509
  

• 016f79d5
  by fendor at 2026-02-17T09:16:16-05:00

  Hide implementation details from base exception stack traces
  
  Ensure we hide the implementation details of the exception throwing mechanisms:
  
  * `undefined`
  * `throwSTM`
  * `throw`
  * `throwIO`
  * `error`
  
  The `HasCallStackBacktrace` should always have a length of exactly 1,
  not showing internal implementation details in the stack trace, as these
  are vastly distracting to end users.
  
  CLC proposal [#387](https://github.com/haskell/core-libraries-committee/issues/387)
  

• 4f2840f2
  by Brian J. Cardiff at 2026-02-17T17:04:08-05:00

  configure: Accept happy-2.2
  
  In Jan 2026 happy-2.2 was released. The most sensible change is https://github.com/haskell/happy/issues/335 which didn't trigger in a fresh build
  

• 10b4d364
  by Duncan Coutts at 2026-02-17T17:04:52-05:00

  Fix errors in the documentation of the eventlog STOP_THREAD status codes
  
  Fix the code for BlockedOnMsgThrowTo.
  
  Document all the known historical warts.
  
  Fixes issue #26867
  

• c5e15b8b
  by Phil de Joux at 2026-02-18T05:07:36-05:00

  haddock: use snippets for all list examples
  
  - generate snippet output for docs
  - reduce font size to better fit snippets
  - Use only directive to guard html snippets
  - Add latex snippets for lists
  

• d388bac1
  by Phil de Joux at 2026-02-18T05:07:36-05:00

  haddock: Place the snippet input and output together
  
  - Put the output seemingly inside the example box
  

• 016fa306
  by Samuel Thibault at 2026-02-18T05:08:35-05:00

  Fix linking against libm by moving the -lm option
  
  For those systems that need -lm for getting math functions, this is
  currently added on the link line very early, before the object files being
  linked together. Newer toolchains enable --as-needed by default, which means
  -lm is ignored at that point because no object requires a math function
  yet. With such toolchains, we thus have to add -lm after the objects, so the
  linker actually includes libm in the link.
  

• 68bd0805
  by Teo Camarasu at 2026-02-18T05:09:19-05:00

  ghc-internal:  Move GHC.Internal.Data.Bool to base
  
  This is a tiny module that only defines bool :: Bool -> a -> a -> a. We can just move this to base and delete it from ghc-internal. If we want this functionality there we can just use a case statement or if-then expression.
  
  Resolves 26865
  

• 4c40df3d
  by fendor at 2026-02-20T10:24:48-05:00

  Add optional `SrcLoc` to `StackAnnotation` class
  
  `StackAnnotation`s give access to an optional `SrcLoc` field that
  user-added stack annotations can use to provide better backtraces in both error
  messages and when decoding the callstack.
  
  We update builtin stack annotations such as `StringAnnotation` and
  `ShowAnnotation` to also capture the `SrcLoc` of the current `CallStack`
  to improve backtraces by default (if stack annotations are used).
  
  This change is backwards compatible with GHC 9.14.1.
  

• fd9aaa28
  by Simon Hengel at 2026-02-20T10:25:33-05:00

  docs: Fix grammar in explicit_namespaces.rst
  

• 44354255
  by Vo Minh Thu at 2026-02-20T18:53:06-05:00

  GHCi: add a :version command.
  
  This looks like:
  
      ghci> :version
      GHCi, version 9.11.20240322
  
  This closes #24576.
  
  Co-Author: Markus Läll <markus.l2ll@gmail.com>
  

• eab3dbba
  by Andreas Klebinger at 2026-02-20T18:53:51-05:00

  hadrian/build-cabal: Better respect and utilize -j
  
  * We now respect -j<n> for the cabal invocation to build hadrian rather
    than hardcoding -j
  * We use the --semaphore flag to ensure cabal/ghc build the hadrian
    executable in parallel using the -jsem mechanism.
  
  Saves 10-15s on fresh builds for me.
  
  Fixes #26876
  

• 17839248
  by Teo Camarasu at 2026-02-24T08:36:03-05:00

  ghc-internal: avoid depending on GHC.Internal.Control.Monad.Fix
  
  This module contains the definition of MonadFix, since we want an
  instance for IO, that instance requires a lot of machinery and we want
  to avoid an orphan instance, this will naturally be quite high up in the
  dependency graph.
  
  So we want to avoid other modules depending on it as far as possible.
  
  On Windows, the IO manager depends on the RTSFlags type, which
  transtively depends on MonadFix. We refactor things to avoid this
  dependency, which would have caused a regression.
  
  Resolves #26875
  
  Metric Decrease:
      T12227
  

• fa88d09a
  by Wolfgang Jeltsch at 2026-02-24T08:36:47-05:00

  Refine the imports of `System.IO.OS`
  
  Commit 68bd08055594b8cbf6148a72d108786deb6c12a1 replaced the
  `GHC.Internal.Data.Bool` import by a `GHC.Internal.Base` import.
  However, while the `GHC.Internal.Data.Bool` import was conditional and
  partial, the `GHC.Internal.Base` import is unconditional and total. As a
  result, the import list is not tuned to import only the necessary bits
  anymore, and furthermore GHC emits a lot of warnings about redundant
  imports.
  
  This commit makes the `GHC.Internal.Base` import conditional and partial
  in the same way that the `GHC.Internal.Data.Bool` import was.
  

• c951fef1
  by Cheng Shao at 2026-02-25T20:58:28+00:00

  wasm: add /assets endpoint to serve user-specified assets
  
  This patch adds an `/assets` endpoint to the wasm dyld http server, so
  that users can also fetch assets from the same host with sensible
  default MIME types, without needing a separate http server for assets
  that also introduces CORS headaches:
  
  - A `-fghci-browser-assets-dir` driver flag is added to specify the
    assets root directory (defaults to `$PWD`)
  - The dyld http server fetches `mime-db` on demand and uses it as
    source of truth for mime types.
  
  Closes #26951.
  

• dde22f97
  by Sylvain Henry at 2026-02-26T13:14:03-05:00

  Fix -fcheck-prim-bounds for non constant args (#26958)
  
  Previously we were only checking bounds for constant (literal)
  arguments!
  
  I've refactored the code to simplify the generation of out-of-line Cmm
  code for the primop composed of some inline code + some call to an
  external Cmm function.
  

• bd3eba86
  by Vladislav Zavialov at 2026-02-27T05:48:01-05:00

  Check for negative type literals in the type checker (#26861)
  
  GHC disallows negative type literals (e.g., -1), as tested by T8306 and
  T8412. This check is currently performed in the renamer:
  
    rnHsTyLit tyLit@(HsNumTy x i) = do
      when (i < 0) $
        addErr $ TcRnNegativeNumTypeLiteral tyLit
  
  However, this check can be bypassed using RequiredTypeArguments
  (see the new test case T26861). Prior to this patch, such programs
  caused the compiler to hang instead of reporting a proper error.
  This patch addresses the issue by adding an equivalent check in
  the type checker, namely in tcHsType.
  
  The diff is deliberately minimal to facilitate backporting. A more
  comprehensive rework of HsTyLit is planned for a separate commit.
  

• faf14e0c
  by Vladislav Zavialov at 2026-02-27T05:48:45-05:00

  Consistent pretty-printing of HsString, HsIsString, HsStrTy
  
  Factor out a helper to pretty-print string literals, thus fixing newline
  handling for overloaded string literals and type literals.
  
  Test cases: T26860ppr T26860ppr_overloaded T26860ppr_tylit
  
  Follow up to ddf1434ff9bb08cfef3c93f23de6b83ec698aa27
  

• f108a972
  by Arnaud Spiwack at 2026-02-27T12:53:01-05:00

  Make list comprehension completely non-linear
  
  Fixes #25081
  
  From the note:
  
  The usefulness of list comprehension in conjunction with linear types is dubious.
  After all, statements are made to be run many times, for instance in
  
  ```haskell
  [u | y <- [0,1], stmts]
  ```
  
  both `u` and `stmts` are going to be run several times.
  
  In principle, though, there are some position in a monad comprehension
  expression which could be considered linear. We could try and make it so that
  these positions are considered linear by the typechecker, but in practice the
  desugarer doesn't take enough care to ensure that these are indeed desugared to
  linear sites. We tried in the past, and it turned out that we'd miss a
  desugaring corner case (#25772).
  
  Until there's a demand for this very specific improvement, let's instead be
  conservative, and consider list comprehension to be completely non-linear.
  

• ae799cab
  by Simon Jakobi at 2026-02-27T12:53:54-05:00

  PmAltConSet: Use Data.Set instead of Data.Map
  
  ...to store `PmLit`s.
  
  The Map was only used to map keys to themselves.
  Changing the Map to a Set saves a Word of memory per entry.
  
  Resolves #26756.
  

• dcd7819c
  by Vladislav Zavialov at 2026-02-27T18:46:03-05:00

  Drop HsTyLit in favor of HsLit (#26862, #25121)
  
  This patch is a small step towards unification of HsExpr and HsType,
  taking care of literals (HsLit) and type literals (HsTyLit).
  
  Additionally, it improves error messages for unsupported type literals,
  such as unboxed or fractional literals (test cases: T26862, T26862_th).
  
  Changes to the AST:
  
  * Use HsLit           where HsTyLit   was previously used
  * Use HsChar          where HsCharTy  was previously used
  * Use HsString        where HsStrTy   was previously used
  * Use HsNatural (NEW) where HsNumTy   was previously used
  * Use HsDouble  (NEW) to represent unsupported fractional type literals
  
  Changes to logic:
  
  * Parse unboxed and fractional type literals (to be rejected later)
  
  * Drop the check for negative literals in the renamer (rnHsTyLit)
    in favor of checking in the type checker (tc_hs_lit_ty)
  
  * Check for invalid type literals in TH (repTyLit) and report
    unrepresentable literals with ThUnsupportedTyLit
  
  * Allow negative type literals in TH (numTyLit). This is fine as
    these will be taken care of at splice time (test case: T8306_th)
  

• c927954f
  by Vladislav Zavialov at 2026-02-27T18:46:50-05:00

  Increase test coverage of diagnostics
  
  Add test cases for the previously untested diagnostics:
    [GHC-01239] PsErrIfInFunAppExpr
    [GHC-04807] PsErrProcInFunAppExpr
    [GHC-08195] PsErrInvalidRecordCon
    [GHC-16863] PsErrUnsupportedBoxedSumPat
    [GHC-18910] PsErrSemiColonsInCondCmd
    [GHC-24737] PsErrInvalidWhereBindInPatSynDecl
    [GHC-25037] PsErrCaseInFunAppExpr
    [GHC-25078] PsErrPrecedenceOutOfRange
    [GHC-28021] PsErrRecordSyntaxInPatSynDecl
    [GHC-35827] TcRnNonOverloadedSpecialisePragma
    [GHC-40845] PsErrUnpackDataCon
    [GHC-45106] PsErrInvalidInfixHole
    [GHC-50396] PsErrInvalidRuleActivationMarker
    [GHC-63930] MultiWayIfWithoutAlts
    [GHC-65536] PsErrNoSingleWhereBindInPatSynDecl
    [GHC-67630] PsErrMDoInFunAppExpr
    [GHC-70526] PsErrLetCmdInFunAppCmd
    [GHC-77808] PsErrDoCmdInFunAppCmd
    [GHC-86934] ClassPE
    [GHC-90355] PsErrLetInFunAppExpr
    [GHC-91745] CasesExprWithoutAlts
    [GHC-92971] PsErrCaseCmdInFunAppCmd
    [GHC-95644] PsErrBangPatWithoutSpace
    [GHC-97005] PsErrIfCmdInFunAppCmd
  
  Remove unused error constructors:
    [GHC-44524] PsErrExpectedHyphen
    [GHC-91382] TcRnIllegalKindSignature
  

• 3a9470fd
  by Torsten Schmits at 2026-02-27T18:47:34-05:00

  Avoid expensive computation for debug logging in `mergeDatabases` when log level is low
  
  This computed and traversed a set intersection for every single
  dependency unconditionally.
  

• ea4c2cbd
  by Brandon Chinn at 2026-02-27T16:22:38-08:00

  Implement QualifiedStrings (#26503)
  
  See Note [Implementation of QualifiedStrings]
  

• 08bc245b
  by sheaf at 2026-03-01T11:11:54-05:00

  Clean up join points, casts & ticks
  
  This commit shores up the logic dealing with casts and ticks occurring
  in between a join point binding and a jump.
  
  Fixes #26642 #26929 #26693
  Makes progress on #14610 #26157 #26422
  
  Changes:
  
    - Remove 'GHC.Types.Tickish.TickishScoping' in favour of simpler
      predicates 'tickishHasNoScope'/'tickishHasSoftScope', as things were
      before commit 993975d3. This makes the code easier to read and
      document (fewer indirections).
  
    - Introduce 'canCollectArgsThroughTick' for consistent handling of
      ticks around PrimOps and other 'Id's that cannot be eta-reduced.
      See overhauled Note [Ticks and mandatory eta expansion].
  
    - New Note [JoinId vs TailCallInfo] in GHC.Core.SimpleOpt that explains
      robustness of JoinId vs fragility of TailCallInfo.
  
    - Allow casts/non-soft-scoped ticks to occur in between a join point
      binder and a jump, but only in Core Prep.
      See Note [Join points, casts, and ticks] and
      Note [Join points, casts, and ticks... in Core Prep]
      in GHC.Core.Opt.Simplify.Iteration.
  
      Also update Core Lint to account for this.
      See Note [Linting join points with casts or ticks] in GHC.Core.Lint.
  
    - Update 'GHC.Core.Utils.mergeCaseAlts' to avoid pushing a cast in
      between a join point binding and its jumps. This fixes #26642.
      See the new (MC5) and (MC6) in Note [Merge Nested Cases].
  
    - Update float out to properly handle source note ticks. They are now
      properly floated out instead of being discarded.
      This increases the number of ticks in certain tests with -g.
  
  Test cases: T26642 and TrickyJoins.
  
  Metric increase due to more source note ticks with -g:
  
  -------------------------
  Metric Increase:
      libdir
      size_hello_artifact
      size_hello_unicode
  -------------------------
  

• 476c4cdf
  by Sean D. Gillespie at 2026-03-02T10:14:37-05:00

  Add SIMD absolute value on x86 and LLVM
  
  On x86, absolute value of 32 bits or less is implemented with
  PABSB/PABSW/PABSD if SSSE3 is available. Otherwise, there is a fallback
  for SSE2. For 64 bit integers it uses VPABSQ, required by AVX-512VL,
  with fallbacks for SSE4.2 and SSE2.
  
  There is no dedicated instruction for floating point absolute value on
  x86, so it is simulated using bitwise AND.
  
  Absolute value for signed integers and floats are implemented by the
  "llvm.abs/llvm.fabs" standard library intrinsics. This implementation
  uses MachOps constructors, unlike non-vector floating point absolute
  value, which uses CallishMachOps.
  

• 709448c0
  by Sean D. Gillespie at 2026-03-02T10:14:46-05:00

  Add SIMD floating point square root
  
  On x86, this is implemented with the SQRTPS and SQRTPD instructions. On
  LLVM, it uses the sqrt library intrinstic.
  

• 0deadf66
  by Sean D. Gillespie at 2026-03-02T10:14:47-05:00

  Improve error message for SIMD on aarch64
  
  When encountering vector literals on aarch64, previously it would
  throw:
  
      <no location info>: error:
          panic! (the 'impossible' happened)
        GHC version 9.15.20251219:
              getRegister' (CmmLit:CmmVec):
  
  Now it is more consistent with the other vector operations:
  
      <no location info>: error:
          sorry! (unimplemented feature or known bug)
        GHC version 9.15.20251219:
              SIMD operations on AArch64 currently require the LLVM backend
  

• 7d64031b
  by Vladislav Zavialov at 2026-03-03T11:09:28-05:00

  Replace maybeAddSpace with spaceIfSingleQuote
  
  Simplify pretty-printing of HsTypes by using spaceIfSingleQuote.
  This allows us to drop the unwieldy lhsTypeHasLeadingPromotionQuote
  helper function.
  
  Follow-up to 178c1fd830c78377ef5d338406a41e1d8eb5f0da
  

• 598db847
  by Wolfgang Jeltsch at 2026-03-06T06:25:25-05:00

  Correct `hIsReadable` and `hIsWritable` for duplex handles
  
  This contribution implements CLC proposal #371. It changes `hIsReadable`
  and `hIsWritable` such that they always throw a respective exception
  when encountering a closed or semi-closed handle, not just in the case
  of a file handle.
  

• b90201e5
  by Wolfgang Jeltsch at 2026-03-06T06:25:25-05:00

  Document `SemiClosedHandle`
  

• c9df72b5
  by Wolfgang Jeltsch at 2026-03-06T06:25:25-05:00

  Tell users what “semi-closed” means for duplex handles
  

• a8aa1868
  by Ilias Tsitsimpis at 2026-03-06T06:26:29-05:00

  Fix determinism of linker arguments
  
  The switch from Data.Map to UniqMap in 3b5be05ac29 introduced
  non-determinism in the order of packages passed to the linker.
  
  This resulted in non-reproducible builds where the DT_NEEDED entries in
  dynamic libraries were ordered differently across builds.
  
  Fix the regression by explicitly sorting the package list derived from
  UniqMap.
  
  Fixes #26838
  

• 9b64ad3a
  by Matthew Pickering at 2026-03-06T06:27:16-05:00

  determinism: Use a deterministic renaming when writing bytecode files
  
  Now when writing the bytecode file, a counter and substitution are used
  to provide deterministic keys to local variables (rather than relying on
  uniques). This change ensures that `.gbc` are produced
  deterministically.
  
  Fixes #26499
  

• d29800e0
  by Teo Camarasu at 2026-03-06T06:28:46-05:00

  ghc-internal: delete Version hs-boot loop
  
  Version has a Read instance which needs Unicode but part of the Unicode interface is the unicode version. This is easy to resolve. We simply don't re-export the version from the Unicode module.
  
  Resolves #26940
  

• ad25af90
  by Sylvain Henry at 2026-03-06T06:30:33-05:00

  Linker: implement support for COMMON symbols (#6107)
  
  Add some support for COMMON symbols. We don't support common symbols
  having different sizes where the larger one is allocated after the
  smaller one. The linker will fail with an appropriate error message if
  it happens.
  

• 3b59f158
  by Cheng Shao at 2026-03-06T06:31:16-05:00

  compiler: fix redundant import of GHC.Hs.Lit
  
  This patch removes a redundant import of `GHC.Hs.Lit` which causes a
  ghc build failure with validate flavours when bootstrapping from 9.14.
  Fixes #26972.
  

• 148d36f3
  by Cheng Shao at 2026-03-06T06:32:01-05:00

  compiler: avoid unneeded traversals in GHC.Unit.State
  
  Following !15591, this patch avoids unneeded traversals in
  `reportCycles`/`reportUnusable` when log verbosity is below given
  threshold. Also applies `logVerbAtLeast` when appropriate.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 7e31367c
  by Cheng Shao at 2026-03-06T06:32:46-05:00

  ghc-internal: fix redundant import in GHC.Internal.Event.Windows.ManagedThreadPool
  
  This patch fixes redundant import in
  `GHC.Internal.Event.Windows.ManagedThreadPool` that causes a
  compilation error when building windows target with validate flavours
  and bootstrapping from 9.14. Fixes #26976.
  

• fc8b8e27
  by sheaf at 2026-03-06T06:33:28-05:00

  System.Info.fullCompilerVersion: add 'since' annot
  
  Fixes #26973

• c8238375
  by Sylvain Henry at 2026-03-06T06:34:23-05:00

  Hadrian: deprecate --bignum and automatically enable +native_bignum for JS
  
  Deprecate --bignum=... to select the bignum backend. It's only used to
  select the native backend, and this can be done with the +native_bignum
  flavour transformer.
  
  Additionally, we automatically enable +native_bignum for the JS target
  because the GMP backend isn't supported.
  

• a3ac7074
  by Sylvain Henry at 2026-03-06T06:35:17-05:00

  JS: fix putEnum/fromEnum (#24593)
  
  Don't go through Word16 when serializing Enums.
  

• 0b36e96c
  by Andreas Klebinger at 2026-03-06T06:35:58-05:00

  Docs: Document -fworker-wrapper-cbv default setting.
  
  Fixes #26841
  

• eca445e7
  by mangoiv at 2026-03-07T05:02:36-05:00

  drop deb9/10 from CI, add deb13
  
  debian 9 and 10 are end of life, hence we drop them
  from our CI, but we do add debian 13. Jobs that were
  previously run on 9 and 10 run on 13, too, jobs that
  were run on 10, are run on 11 now. Jobs that were
  previously run on debian 12 are run on debian 13 now.
  This MR also updates hadrian's bootstrap plans for that
  reason.
  
  Metric Decrease:
      T9872d
  

• 12f8b829
  by Luite Stegeman at 2026-03-07T05:03:33-05:00

  Fix GHC.Internal.Prim haddock
  
  Haddock used to parse Haskell source to generate documentation,
  but switched to using interface files instead. This broke documentation
  of the GHC.Internal.Prim module, since it's a wired-in interface that
  didn't provide a document structure.
  
  This patch adds the missing document structure and updates genprimopcode
  to make the section headers and descriptions available.
  
  fixes #26954
  

• f87e5e57
  by Luite Stegeman at 2026-03-07T05:03:33-05:00

  Remove obsolete --make-haskell-source from genprimopcode
  
  Now that haddock uses the wired-in interface for GHC.Internal.Prim,
  the generated Haskell source file is no longer needed. Remove the
  --make-haskell-source code generator from genprimopcode and replace
  the generated GHC/Internal/Prim.hs with a minimal static source file.
  

• 4a7ddc7b
  by Sylvain Henry at 2026-03-07T05:04:59-05:00

  JS: fix linking of exposed but non-preload units (#24886)
  
  Units exposed in the unit database but not explicitly passed on the
  command-line were not considered by the JS linker. This isn't an issue
  for cabal which passes every unit explicitly but it is an issue when
  using GHC directly (cf T24886 test).
  

• 689aafcd
  by mangoiv at 2026-03-07T05:05:52-05:00

  testsuite: double foundation timeout multiplier
  
  The runtime timeout in the foundation test was regularly hit by code
  generated by the wasm backend - we increase the timout since the high
  runtime is expected on the wasm backend for this rather complex test.
  
  Resolves #26938
  

• a46a1bb1
  by Cheng Shao at 2026-03-09T04:50:30-04:00

  compiler: add myCapabilityExpr to GHC.Cmm.Utils
  
  This commit adds `myCapabilityExpr` to `GHC.Cmm.Utils` which is
  computed from `BaseReg`. It's convenient for codegen logic where one
  needs to pass the current Capability's pointer.
  

• 4afc65b1
  by Cheng Shao at 2026-03-09T04:50:30-04:00

  compiler: lower tryPutMVar# into a ccall directly
  
  This patch addresses an old TODO of `stg_tryPutMVarzh` by removing it
  completely and making the compiler lower `tryPutMVar#` into a ccall to
  `performTryPutMVar` directly, without landing into an intermediate C
  or Cmm function. `performTryPutMVar` is promoted to a public RTS
  function with default visibility, and the compiler lowering logic
  takes into account the C ABI of `performTryPutMVar` and converts from
  C Bool to primop's `Int#` result properly.
  

• 9e3d6a58
  by Simon Hengel at 2026-03-09T04:51:15-04:00

  Don't use #line in haddocks
  
  This confuses the parser.  Haddock output is unaffected by this change.
  (read: this still produces the same documentation)
  

• f4e8fec2
  by Wolfgang Jeltsch at 2026-03-09T04:52:01-04:00

  Remove in-package dependencies on `GHC.Internal.System.IO`
  
  This contribution eliminates all dependencies on
  `GHC.Internal.System.IO` from within `ghc-internal`. It comprises the
  following changes:
  
    * Make `GHC.Internal.Fingerprint` independent of I/O support
    * Tighten the dependencies of `GHC.Internal.Data.Version`
    * Tighten the dependencies of `GHC.Internal.TH.Monad`
    * Tighten the dependencies of `GHCi.Helpers`
    * Move some code that needs `System.IO` to `template-haskell`
    * Move the `GHC.ResponseFile` implementation into `base`
    * Move the `System.Exit` implementation into `base`
    * Move the `System.IO.OS` implementation into `base`
  
  Metric Decrease:
      size_hello_artifact
      size_hello_artifact_gzip
      size_hello_unicode
      size_hello_unicode_gzip
  

• 91df4c82
  by Sylvain Henry at 2026-03-09T04:53:20-04:00

  T18832: fix Windows CI failure by dropping removeDirectoryRecursive
  
  On Windows, open file handles prevent deletion. After killThread, the
  closer thread may not have called hClose yet, causing removeDirectoryRecursive
  to fail with "permission denied". The test harness cleans up the run
  directory anyway, so the call is redundant.
  

• d7fe9671
  by Cheng Shao at 2026-03-09T04:54:04-04:00

  compiler: fix redundant import in GHC.StgToJS.Object
  
  This patch fixes a redundant import in GHC.StgToJS.Object that causes
  a build failure when compiling head from 9.14 with validate flavours.
  Fixes #26991.
  

• 0bfd29c3
  by Cheng Shao at 2026-03-09T04:54:46-04:00

  wasm: fix `Illegal foreign declaration` failure when ghci loads modules with JSFFI exports
  
  This patch fixes a wasm ghci error when loading modules with JSFFI
  exports; the `backendValidityOfCExport` check in `tcCheckFEType`
  should only makes sense and should be performed when not checking the
  JavaScript calling convention; otherwise, when the calling convention
  is JavaScript, the codegen logic should be trusted to backends that
  actually make use of it. Fixes #26998.
  

• e659610c
  by Duncan Coutts at 2026-03-09T12:08:35-04:00

  Apply NOINLINE pragmas to generated Typeable bindings
  
  For context, see the existing Note [Grand plan for Typeable]
  and the Note [NOINLINE on generated Typeable bindings] added in the
  subsequent commit.
  
  This is about reducing the number of exported top level names and
  unfoldings, which reduces interface file sizes and reduces the number of
  global/dynamic linker symbols.
  
  Also accept the changed test output and metric decreases.
  
  Tests that record the phase output for type checking or for simplifier
  end up with different output: the generated bindings now have an
  Inline [~] annotation, and many top level names are now local rather
  than module-prefixed for export.
  
  Also accept the numerous metric decreases in compile_time/bytes
  allocated, and a few in compile_time/max_bytes_used.
  
  There's also one instance of a decrease in runtime/max_bytes_used but
  it's a ghci-way test and so presumably the reason is that it loads
  smaller .hi files and/or links fewer symbols.
  
  -------------------------
  Metric Decrease:
      CoOpt_Singletons
      MultiLayerModulesTH_OneShot
      MultilineStringsPerf
      T10421
      T10547
      T12150
      T12227
      T12234
      T12425
      T13035
      T13056
      T13253
      T13253-spj
      T15304
      T15703
      T16875
      T17836b
      T17977b
      T18140
      T18223
      T18282
      T18304
      T18698a
      T18698b
      T18730
      T18923
      T20049
      T21839c
      T24471
      T24582
      T24984
      T3064
      T4029
      T5030
      T5642
      T5837
      T6048
      T9020
      T9198
      T9961
      TcPlugin_RewritePerf
      WWRec
      hard_hole_fits
      mhu-perf
  -------------------------
  

• 67df5161
  by Duncan Coutts at 2026-03-09T12:08:35-04:00

  Add documentation Note [NOINLINE on generated Typeable bindings]
  
  and refer to it from the code and existing documentation.
  

• c4ad6167
  by Duncan Coutts at 2026-03-09T12:08:35-04:00

  Switch existing note to "named wrinkle" style, (GPT1)..(GPT7)
  
  GPT = Grand plan for Typeable
  

• dc84f8e2
  by Cheng Shao at 2026-03-09T12:09:21-04:00

  ci: only build deb13 for validate pipeline aarch64-linux jobs
  
  This patch drops the redundant aarch64-linux deb12 job from validate pipelines
  and only keeps deb13; it's still built in nightly/release pipelines. Closes #27004.
  

• 23a50772
  by Rajkumar Natarajan at 2026-03-10T14:11:37-04:00

  chore: Merge GHC.Internal.TH.Quote into GHC.Internal.TH.Monad
  
  Move the QuasiQuoter datatype from GHC.Internal.TH.Quote to
  GHC.Internal.TH.Monad and delete the Quote module.
  
  Update submodule template-haskell-quasiquoter to use the merged
  upstream version that imports from the correct module.
  
  Co-authored-by: Cursor <cursoragent@cursor.com>
  

• a2bb6fc3
  by Simon Jakobi at 2026-03-10T14:12:23-04:00

  Add regression test for #16122
  

• 604e1180
  by Cheng Shao at 2026-03-11T15:00:42-04:00

  hadrian: remove the broken bench flavour
  
  This patch removes the bench flavour from hadrian which has been
  broken for years and not used for actual benchmarking (for which
  `perf`/`release` is used instead). Closes #26825.
  

• c3e64915
  by Simon Jakobi at 2026-03-11T15:01:31-04:00

  Add regression test for #18186
  
  The original TypeInType language extension is replaced with
  DataKinds+PolyKinds for compatibility.
  
  Closes #18186.
  

• 664996c7
  by Andreas Klebinger at 2026-03-11T15:02:16-04:00

  Bump nofib submodule.
  
  We accrued a number of nofib fixes we want to have here.
  

• 517cf64e
  by Simon Jakobi at 2026-03-11T15:03:03-04:00

  Add regression test for #15907
  
  Closes #15907.
  

• fff362cf
  by Simon Jakobi at 2026-03-11T15:03:49-04:00

  Ensure T14272 is run in optasm way
  
  Closes #16539.
  

• ec81ec2c
  by Simon Jakobi at 2026-03-11T15:03:49-04:00

  Add regression test for #24632
  
  Closes #24632.
  

• cefec47b
  by Simon Jakobi at 2026-03-11T15:03:50-04:00

  Fix module name of T9675: T6975 -> T9675
  

• d3690ae8
  by Andreas Klebinger at 2026-03-11T15:04:31-04:00

  User guide: Clarify phase control on INLINEABLE[foo] pragmas.
  
  Fixes #26851
  

• e7054934
  by Simon Jakobi at 2026-03-11T15:05:16-04:00

  Add regression test for #12694
  
  Closes #12694.
  

• 4756d9f6
  by Simon Jakobi at 2026-03-11T15:05:16-04:00

  Add regression test for #16275
  
  Closes #16275.
  

• 34b7e2c1
  by Simon Jakobi at 2026-03-11T15:05:16-04:00

  Add regression test for #14908
  
  Closes #14908.
  

• 4243db3d
  by Simon Jakobi at 2026-03-11T15:05:16-04:00

  Add regression test for #14151
  
  Closes #14151.
  

• 0e9f1453
  by Simon Jakobi at 2026-03-11T15:05:16-04:00

  Add regression test for #12640
  
  Closes #12640.
  

• ae606c7f
  by Simon Jakobi at 2026-03-11T15:05:16-04:00

  Add regression test for #15588
  
  Closes #15588.
  

• 5a38ce4e
  by Simon Jakobi at 2026-03-11T15:05:16-04:00

  Add regression test for #9445
  
  Closes #9445.
  

• d054b467
  by Cheng Shao at 2026-03-11T15:05:59-04:00

  compiler: implement string interning logic for BCONPtrFS
  
  This patch adds a `FastStringEnv`-based cache of `MallocStrings`
  requests to `Interp`, so that when we load bytecode with many
  breakpoints that share the same module names & unit ids, we reuse the
  allocated remote pointers instead of issuing duplicte `MallocStrings`
  requests and bloating the C heap. Closes #26995.
  

• b85a0293
  by Simon Jakobi at 2026-03-11T15:06:41-04:00

  Add perf test for #1216
  
  Closes #1216.
  

• cd7f7420
  by Sylvain Henry at 2026-03-11T15:07:58-04:00

  JS: check that tuple constructors are linked (#23709)
  
  Test js-mk_tup was failing before because tuple constructors weren't
  linked in. It's no longer an issue after the linker fixes.
  

• d57f01a4
  by Matthew Pickering at 2026-03-11T15:08:40-04:00

  testsuite: Add test for foreign import prim with unboxed tuple return
  
  This commit just adds a test that foreign import prim works with unboxed
  sums.
  

• 23d111ce
  by Matthew Pickering at 2026-03-11T15:08:41-04:00

  Return a valid pointer in advanceStackFrameLocationzh
  
  When there is no next stack chunk, `advanceStackFrameLocationzh` used to
  return NULL in the pointer-typed StackSnapshot# result slot.
  
  Even though the caller treats that case as "no next frame", the result is
  still materialized in a GC-visible pointer slot. If a GC observes the raw
  NULL there, stack decoding can crash.
  
  Fix this by ensuring the dead pointer slot contains a valid closure
  pointer. Also make the optional result explicit by returning an unboxed
  sum instead of a tuple with a separate tag.
  
  Fixes #27009
  

• 4c58a3ae
  by Cheng Shao at 2026-03-11T15:09:22-04:00

  hadrian: build profiled dynamic objects with -dynamic-too
  
  This patch enables hadrian to build profiled dynamic objects with
  `-dynamic-too`, addressing a build parallelism bottleneck in release
  pipelines. Closes #27010.
  

• 870243e4
  by Zubin Duggal at 2026-03-12T17:33:28+05:30

  DmdAnal: Take stable unfoldings into account when determining argument demands
  
  Previously, demand analysis only looked at the RHS to compute argument demands.
  If the optimised RHS discarded uses of an argument that the stable unfolding
  still needed, it would be incorrectly marked absent. Worker/wrapper would then
  replace it with LitRubbish, and inlining the stable unfolding would use the
  rubbish value, causing a segfault.
  
  To fix, we introduce addUnfoldingDemands which analyses the stable unfolding
  with dmdAnal and combines its DmdType with the RHS's via the new `maxDmdType`
  which combines the demands of the stable unfolding with the rhs, so we can avoid
  any situation where we give an absent demand to something which is still used
  by the stable unfolding.
  
  Fixes #26416.
  

• 669d09f9
  by Cheng Shao at 2026-03-13T15:06:07-04:00

  hadrian: remove redundant library/rts ways definitions from stock flavours
  
  This patch removes redundant library/rts ways definitions from stock
  flavours in hadrian; they can be replaced by applying appropriate
  filters on `defaultFlavour`.
  

• a27dc081
  by Teo Camarasu at 2026-03-13T15:06:51-04:00

  ghc-internal: move bits Weak of finalizer interface to base
  
  We move parts of the Weak finalizer interface to `base` only the parts
  that the RTS needs to know about are kept in `ghc-internal`.
  
  This lets us then prune our imports somewhat and get rid of some SOURCE imports.
  
  Resolves #26985
  

• 6eef855b
  by Sylvain Henry at 2026-03-13T15:08:18-04:00

  Stg/Unarise: constant-folding during unarisation (#25650)
  
  When building an unboxed sum from a literal argument, mkUbxSum
  previously emitted a runtime cast via `case primop [lit] of var -> ...`.
  This wrapper prevented GHC from recognising the result as a static
  StgRhsCon, causing top-level closures to be allocated as thunks instead
  of being statically allocated.
  
  Fix: try to perform the numeric literal cast at compile time using
  mkLitNumberWrap (wrapping semantics). If successful, return the cast
  literal directly with an identity wrapper (no case expression). The
  runtime cast path is kept as fallback for non-literal arguments.
  
  Test: codeGen/should_compile/T25650
  

• 905f8723
  by Simon Jakobi at 2026-03-13T15:09:09-04:00

  Add regression test for #2057
  
  Test that GHC stops after an interface-file error instead of
  continuing into the linker.
  
  The test constructs a stale package dependency on purpose. `pkgB` is compiled
  against one version of package `A`, then the same unit id is replaced by an
  incompatible build of `A`. When `Main` imports `B`, GHC has to read `B.hi`,
  finds an unfolding that still mentions the old `A`, and should fail while
  loading interfaces.
  
  Closes #2057.
  
  Assisted-by: Codex
  

• a13245a9
  by Sylvain Henry at 2026-03-13T15:10:06-04:00

  JS: fix recompilation avoidance (#23013)
  
  - we were checking the mtime of the *.jsexe directory, not of a file
  - we were not computing the PkgsLoaded at all
  

• 07442653
  by Cheng Shao at 2026-03-13T15:10:51-04:00

  hadrian: bump index state & bootstrap plans
  
  This patch bumps hadrian index state & bootstrap plans:
  
  - The updated index state allows bootstrapping from 9.14 without cabal
    allow-newer hacks
  - The updated bootstrap plans all contain shake-0.19.9 containing
    important bugfix, allowing a subsequent patch to bump shake bound to
    ensure the bugfix is included
  - ghc 9.14.1 bootstrap plan is added
  

• fdc1dbad
  by Cheng Shao at 2026-03-13T15:10:51-04:00

  ci: add ghc 9.14.1 to bootstrap matrix
  
  This patch adds ghc 9.14.1 to bootstrap matrix, so that we test
  bootstrapping from ghc 9.14.1.
  

• 91916079
  by Sylvain Henry at 2026-03-13T15:11:43-04:00

  T17912: wait for opener thread to block before killing it (#24739)
  
  Instead of a fixed 1000ms delay, poll threadStatus until the opener
  thread is in BlockedOnForeignCall, ensuring killThread only fires once
  the thread is provably inside the blocking open() syscall. This prevents
  the test from accidentally passing on Windows due to scheduling races.
  

• baa4ebb4
  by Cheng Shao at 2026-03-13T15:12:26-04:00

  template-haskell: fix redundant import in Language.Haskell.TH.Quote
  
  This patch fixes a redundant import in `Language.Haskell.TH.Quote`
  that causes a ghc build failure when bootstrapping from 9.14 with
  validate flavours. Fixes #27014.
  

• 02e68a86
  by Brandon Simmons at 2026-03-13T15:13:19-04:00

  Add a cumulative gc_sync_elapsed_ns counter to GHC.Internal.Stats
  
  This makes it possible to get an accurate view of time spent in sync
  phase when using prometheus-style sampling. Previously this was only
  available for the most recent GC.
  
  This intentionally leaves GHC.Stats API unchanged since it is marked as
  deprecated, and API changes there require CLC approval.
  
  Fixes #26944
  

• a18fa3c1
  by Cheng Shao at 2026-03-14T05:12:14-04:00

  configure: make $LLVMAS default to $CC when $CcLlvmBackend is YES
  
  This patch changes the $LLVMAS detection logic in configure so that
  when it's not manually specified by the user, it defaults to $CC if
  $CcLlvmBackend is YES. It's a more sensible default than auto-detected
  clang from the environment, especially when cross-compiling, $CC as
  the cross target's LLVM assembler is more compatible with the use case
  than the system-wide clang. Fixes #26769.
  

• 3774086e
  by Matthew Pickering at 2026-03-14T05:13:00-04:00

  exceptions: annotate onException continuation with WhileHandling
  
  Before this patch, an exception thrown in the `onException` handler
  would loose track of where the original exception was thrown.
  
  ```
  import Control.Exception
  
  main :: IO ()
  main = failingAction `onException` failingCleanup
    where
      failingAction = throwIO (ErrorCall "outer failure")
      failingCleanup = throwIO (ErrorCall "cleanup failure")
  ```
  
  would report
  
  ```
  T28399: Uncaught exception ghc-internal:GHC.Internal.Exception.ErrorCall:
  
  cleanup failure
  
  HasCallStack backtrace:
    throwIO, called at T28399.hs:<line>:<column> in <package-id>:Main
  ```
  
  notice that the "outer failure" exception is not present in the error
  message.
  
  With this patch, any exception thrown is in the handler is annotated
  with WhileHandling. The resulting message looks like
  
  ```
  T28399: Uncaught exception ghc-internal:GHC.Internal.Exception.ErrorCall:
  
  cleanup failure
  
  While handling outer failure
  
  HasCallStack backtrace:
    throwIO, called at T28399.hs:7:22 in main:Main
  ```
  
  CLC Proposal: https://github.com/haskell/core-libraries-committee/issues/397
  
  Fixes #26759
  

• 63ae8eb3
  by Andreas Klebinger at 2026-03-14T05:13:43-04:00

  Fix missing profiling header for origin_thunk frame.
  
  Fixes #27007
  

• 213d2c0e
  by Cheng Shao at 2026-03-14T05:14:28-04:00

  ci: fix ci-images revision
  
  The current ci-images revision was a commit on the WIP branch of
  https://gitlab.haskell.org/ghc/ci-images/-/merge_requests/183, and
  it's not on the current ci-images master branch. This patch fixes the
  image revision to use the current tip of ci-images master.
  

• fc2b083f
  by Andreas Klebinger at 2026-03-14T05:15:14-04:00

  Revert "hadrian/build-cabal: Better respect and utilize -j"
  
  This reverts commit eab3dbba79650e6046efca79133b4c0a5257613d.
  
  While it's neat this currently isn't well supported on all platforms.
  
  It's time will come, but for now I'm reverting this to avoid issues for
  users on slightly unconvential platforms.
  
  This will be tracked at #26977.
  

• 12a706cf
  by Cheng Shao at 2026-03-14T16:37:54-04:00

  base: fix redundant imports in GHC.Internal.Weak.Finalize
  
  This patch fixes redundant imports in GHC.Internal.Weak.Finalize that
  causes a regression in bootstrapping head from 9.14 with validate
  flavours. Fixes #27026.
  

• b5d39cad
  by Matthew Pickering at 2026-03-14T16:38:37-04:00

  Use explicit syntax rather than pure
  

• 43638643
  by Andreas Klebinger at 2026-03-15T18:15:48-04:00

  Configure: Fix check for --target support in stage0 CC
  
  The check FP_PROG_CC_LINKER_TARGET used $CC unconditionally to check for
  --target support. However this fails for the stage0 config where the C
  compiler used is not $CC but $CC_STAGE0.
  
  Since we already pass the compiler under test into the macro I simply
  changed it to use that instead.
  
  Fixes #26999
  

• 18fd0df6
  by Simon Hengel at 2026-03-15T18:16:33-04:00

  Fix typo in recursive_do.rst

• 86bd9bfc
  by fendor at 2026-03-17T23:46:09-04:00

  Introduce `-fimport-loaded-targets` GHCi flag
  
  This new flag automatically adds all loaded targets to the GHCi session
  by adding an `InteractiveImport` for the loaded targets.
  
  By default, this flag is disabled, as it potentially increases memory-usage.
  
  This interacts with the flag `-fno-load-initial-targets` as follows:
  
  * If no module is loaded, no module is added as an interactive import.
  * If a reload loads up to a module, all loaded modules are added as
    interactive imports.
  * Unloading modules removes them from the interactive context.
  
  Fixes #26866 by rendering the use of a `-ghci-script` to achieve the
  same thing redundant.
  

• e3d4c1bb
  by mniip at 2026-03-17T23:47:03-04:00

  ghc-internal: Remove GHC.Internal.Data.Eq
  
  It served no purpose other than being a re-export.
  

• 6f4f6cf0
  by mniip at 2026-03-17T23:47:03-04:00

  ghc-internal: Refine GHC.Internal.Base imports
  
  Removed re-exports from GHC.Internal.Base. This reveals some modules
  that don't actually use anything *defined* in GHC.Internal.Base, and
  that can be pushed down a little in the import graph.
  
  Replaced most imports of GHC.Internal.Base with non-wildcard imports
  from modules where the identifiers are actually defined.
  
  Part of #26834
  
  Metric Decrease:
      T5321FD
  

• 7fb51f54
  by mangoiv at 2026-03-17T23:48:00-04:00

  ci: clone, don't copy when creating the cabal cache
  
  Also removed WINDOWS_HOST variable detected via uname - we now just
  check whether the CI job has windows in its name. This works because we
  only ever care about it if the respective job is not a cross job. We
  also statically detect darwin cross jobs in the same way. We only ever have
  darwin -> darwin cross jobs so this is enough to detect the host
  reliably.
  

• f8817879
  by mangoiv at 2026-03-17T23:48:44-04:00

  ci: mark size_hello_artifact fragile on darwin x86
  
  The size of the x86_64 hello artifact is not stable which results in flaky testruns.
  
  Resolves #26814
  

• e34cb6da
  by Adam Gundry at 2026-03-20T12:20:00-04:00

  ghci: Mention active language edition in startup banner
  
  Per GHC proposal 632, this makes the GHCi startup banner include
  the active language edition, plus an indication of whether this
  was the default (as opposed to being explicitly selected via an
  option such as `-XGHC2024`). For example:
  
  ```
  $ ghci
  GHCi, version 9.14.1: https://www.haskell.org/ghc/  :? for help
  Using default language edition: GHC2024
  ghci>
  ```
  
  Fixes #26037.
  

• 52c3e6ba
  by sheaf at 2026-03-20T12:21:09-04:00

  Improve incomplete record selector warnings
  
  This commit stops GHC from emitting spurious incomplete record selector
  warnings for bare selectors/projections such as .fld
  
  There are two places we currently emit incomplete record selector
  warnings:
  
    1. In the desugarer, when we see a record selector or an occurrence
       of 'getField'. Here, we can use pattern matching information to
       ensure we don't give false positives.
    2. In the typechecker, which might sometimes give false positives but
       can emit warnings in cases that the pattern match checker would
       otherwise miss.
  
  This is explained in Note [Detecting incomplete record selectors]
  in GHC.HsToCore.Pmc.
  
  Now, we obviously don't want to emit the same error twice, and generally
  we prefer (1), as those messages contain fewer false positives. So we
  suppress (2) when we are sure we are going to emit (1); the logic for
  doing so is in GHC.Tc.Instance.Class.warnIncompleteRecSel,
  and works by looking at the CtOrigin.
  
  Now, the issue was that this logic handled explicit record selectors as
  well as overloaded record field selectors such as "x.r" (which turns
  into a simple GetFieldOrigin CtOrigin), but it didn't properly handle
  record projectors like ".fld" or ".fld1.fld2" (which result in other
  CtOrigins such as 'RecordFieldProjectionOrigin').
  
  To solve this problem, we re-use the 'isHasFieldOrigin' introduced in
  fbdc623a (slightly adjusted).
  
  On the way, we also had to update the desugarer with special handling
  for the 'ExpandedThingTc' case in 'ds_app', to make sure that
  'ds_app_var' sees all the type arguments to 'getField' in order for it
  to indeed emit warnings like in (1).
  
  Fixes #26686
  

• 309d7e87
  by Cheng Shao at 2026-03-20T12:21:53-04:00

  rts: opportunistically grow the MutableByteArray# in-place in resizeMutableByteArray#
  
  Following !15234, this patch improves `resizeMutableByteArray#` memory
  efficiency by growing the `MutableByteArray#` in-place if possible,
  addressing an old todo comment here. Also adds a new test case
  `resizeMutableByteArrayInPlace` that stresses this behavior.
  

• 7d4ef162
  by Matthew Craven at 2026-03-20T12:22:47-04:00

  Change representation of floating point literals
  
  This commit changes the representation of floating point literals
  throughough the compiler, in particular in Core and Cmm.
  The Rational type is deficient for this purpose, dealing poorly
  with NaN, +/-Infinity, and negative zero. Instead, the new module
  GHC.Types.Literal.Floating uses the host Float/Double type to represent
  NaNs, infinities and negative zero. It also contains a Rational
  constructor, for the benefit of -fexcess-precision.
  
  Other changes:
  
    - Remove Note [negative zero] and related code
      This also removes the restrictions on constant-folding of division
      by zero, and should make any problems with NaN/Infinity more obvious.
  
    - Use -0.0 as the additive identity for Core constant folding rules
      for floating-point addition, fixing #21227.
  
    - Manual worker-wrapper for GHC.Float.rationalToDouble. This is
      intended to prevent the compiler's WW on this function from
      interfering with constant-folding. This change means that we now
      avoid allocating a box for the result of a 'realToFrac' call in
      T10359.
  
    - Combine floatDecodeOp and doubleDecodeOp.
      This change also fixes a bug in doubleDecodeOp wherein it
      would incorrectly produce an Int# instead of an Int64#
      literal for the mantissa component with 64-bit targets.
  
    - Use Float/Double for assembly immediates, and update the X86 and
      PowerPC backends to properly handle special values such as NaN and
      infinity.
  
    - Allow 'rational_to' to handle zero denominators, fixing a
      TODO in GHC.Core.Opt.ConstantFold.
  
  Fixes #8364 #9811 #18897 #21227
  Progress towards #26919
  
  Metric Decrease:
      T10359
  
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  
  -------------------------
  Metric Decrease:
      T1969
      T5321FD
  -------------------------
  

• 80e2dd4f
  by Zubin Duggal at 2026-03-20T12:23:33-04:00

  compiler/ffi: Collapse void pointer chains in capi wrappers
  
  New gcc/clang treat -Wincompatible-pointer-types as an error by
  default. Since C only allows implicit conversion from void*, not void**,
  capi wrappers for functions taking e.g. abstract** would fail to compile
  when the Haskell type Ptr (Ptr Abstract) was naively translated to void**.
  
  Collapse nested void pointers to a single void* when the pointee type
  has no known C representation.
  
  Fixes #26852
  

• 1c50bd7b
  by Luite Stegeman at 2026-03-20T12:24:37-04:00

  Move some functions related to pointer tagging to a separate module
  

• bfd7aafd
  by Luite Stegeman at 2026-03-20T12:24:37-04:00

  Branchless unpacking for enumeration types
  
  Change unpacking for enumeration types to go to Word8#/Word16#/Word#
  directly instead of going through an intermediate unboxed sum. This
  allows us to do a branchless conversion using DataToTag and TagToEnum.
  
  Fixes #26970
  

• 72b20fc0
  by Luite Stegeman at 2026-03-20T12:25:30-04:00

  bytecode: Carefully SLIDE off the end of a stack chunk
  
  The SLIDE bytecode instruction was not checking for stack chunk
  boundaries and could corrupt the stack underflow frame, leading
  to crashes.
  
  We add a check to use safe writes if we cross the chunk boundary
  and also handle stack underflow if Sp is advanced past the underflow
  frame.
  
  fix #27001
  

• 2e22b43c
  by Cheng Shao at 2026-03-20T12:26:14-04:00

  ghci: serialize BCOByteArray buffer directly when possible
  
  This patch changes the `Binary` instances of `BCOByteArray` to
  directly serialize the underlying buffer when possible, while also
  taking into account the issue of host-dependent `Word` width. See
  added comments and amended `Note [BCOByteArray serialization]` for
  detailed explanation. Closes #27020.
  

• 89d9ba37
  by Sylvain Henry at 2026-03-20T12:27:34-04:00

  JS: replace BigInt with Number arithmetic for 32/64-bit quot/rem (#23597)
  
  Replace BigInt-based implementations of quotWord32, remWord32,
  quotRemWord32, quotRem2Word32, quotWord64, remWord64, quotInt64, and
  remInt64 with pure Number (double/integer) arithmetic to avoid the
  overhead of BigInt promotion.
  

• ae4ddd60
  by Sylvain Henry at 2026-03-20T12:28:28-04:00

  Core: add constant-folding rules for Addr# eq/ne (#18032)
  

• 3e767f98
  by Matthew Pickering at 2026-03-20T12:29:11-04:00

  Use OsPath rather than FilePath in Downsweep cache
  
  This gets us one step closure to uniformly using `OsPath` in the
  compiler.
  

• 2c57de29
  by Cheng Shao at 2026-03-20T12:29:55-04:00

  hadrian: fix ghc-in-ghci flavour stage0 shared libraries
  
  This patch fixes missing stage0 shared libraries in hadrian
  ghc-in-ghci flavour, which was accidentally dropped in
  669d09f950a6e88b903d9fd8a7571531774d4d5d and resulted in a regression
  in HLS support on linux/macos. Fixes #27057.
  

• 5b1be555
  by Sylvain Henry at 2026-03-20T12:30:48-04:00

  JS: install rts/Types.h header file (#27033)
  
  It was an omission, making HsFFI.h not usable with GHC using the JS
  backend.
  

• b883f08f
  by Cheng Shao at 2026-03-20T12:31:33-04:00

  hadrian: don't compile RTS with -Winline
  
  This patch removes `-Winline` from cflags when compiling the RTS,
  given that:
  
  1. It generates a huge pile of spam and hurts developer experience
  2. Whether inlining happens is highly dependent on toolchains,
     flavours, etc, and it's not really an issue to fix if inlining
     doesn't happen; it's a hint to the C compiler anyway.
  
  Fixes #27060.
  

• 333387d6
  by Cheng Shao at 2026-03-20T12:31:33-04:00

  hadrian: compile libffi-clib with -Wno-deprecated-declarations
  
  This patch adds `-Wno-deprecated-declarations` to cflags of
  `libffi-clib`, given that it produces noise at compile-time that
  aren't really our issue to fix anyway, it's from vendored libffi
  source code.
  

• 67c47771
  by Rodrigo Mesquita at 2026-03-20T12:32:17-04:00

  Expose decodeStackWithIpe from ghc-experimental
  
  This decoding is useful to the debugger and it wasn't originally
  exported as an oversight.
  

• 18513365
  by Matthew Pickering at 2026-03-21T04:43:26-04:00

  Add support for custom external interpreter commands
  
  It can be useful for GHC API clients to implement their own external
  interpreter commands.
  
  For example, the debugger may want an efficient way to inspect the
  stacks of the running threads in the external interpreter.
  

• 4636d906
  by mangoiv at 2026-03-21T04:44:10-04:00

  ci: remove obsolete fallback for old debian and ubuntu versions
  

• 2e3a2805
  by mangoiv at 2026-03-21T04:44:10-04:00

  ci: drop ubuntu 18 and 20
  
  Ubuntu 18 EOL: May 2023
  Ubuntu 20 EOL: May 2025
  
  We should probably not make another major release supporting these platforms.
  
  Also updates the generator script.
  
  Resolves #25876
  

• de54e264
  by Cheng Shao at 2026-03-21T17:52:08+01:00

  rts: fix -Wcompare-distinct-pointer-types errors
  
  This commit fixes `-Wcompare-distinct-pointer-types` errors in the RTS
  which should have been caught by the `validate` flavour but was
  warnings in CI due to the recent `+werror` regression.
  

• b9bd73de
  by Cheng Shao at 2026-03-21T17:52:08+01:00

  ghc-internal: fix unused imports
  
  This commit fixes unused imports in `ghc-internal` which should have
  been caught by the `validate` flavour but was warnings in CI due to
  the recent `+werror` regression. Fixes #26987 #27059.
  

• da946a16
  by Cheng Shao at 2026-03-21T17:03:51+00:00

  ghci: fix unused imports
  
  This commit fixes unused imports in `ghci` which should have been
  caught by the `validate` flavour but was warnings in CI due to the
  recent `+werror` regression. Fixes #26987 #27059.
  

• 955b1cf8
  by Cheng Shao at 2026-03-21T17:03:51+00:00

  compiler: fix unused imports in GHC.Tc.Types.Origin
  
  This commit fixes unused imports in `GHC.Tc.Types.Origin` which should
  have been caught by the `validate` flavour but was warnings in CI due
  to the recent `+werror` regression. Fixes #27059.
  

• 3b1aeb50
  by Cheng Shao at 2026-03-21T17:03:51+00:00

  hadrian: fix missing +werror in validate flavour
  
  This patch fixes missing `+werror` in validate flavour, which was an
  oversight in bb3a2ba1eefadf0b2ef4f39b31337a23eec67f29. Fixes #27066.
  

• 44f118f0
  by Cheng Shao at 2026-03-22T04:54:01-04:00

  ci: bump CACHE_REV and add the missing reminder
  
  This patch bumps `CACHE_REV` to address recent `[Cabal-7159]` CI
  errors due to stale cabal cache on some runners, and also adds a
  reminder to remind future maintainers. Fixes #27075.
  

• 2a218737
  by ARATA Mizuki at 2026-03-23T11:11:39-04:00

  Add 128-bit SIMD support to AArch64 NCG
  
  Changes:
  
  - Add `Format` field to vector-capable instructions.
    These instructions will emit `vN.4s` (for example) as a operand.
  - Additional constructors for `Operand`:
    `OpVecLane` represents a vector lane and will be emitted as `vN.<width>[<index>]` (`vN.s[3]` for example).
    `OpScalarAsVec` represents a scalar, but printed as a vector lane like `vN.<width>[0]` (`vN.s[0]` for example).
  - Integer quot/rem are implemented in C, like x86.
  
  Closes #26536
  
  Metric Increase:
      T3294
  

• 5d6e2be9
  by ARATA Mizuki at 2026-03-23T11:11:39-04:00

  AArch64 NCG: Improve code generation for floating-point and vector constants
  
  Some floating-point constants can be directly encoded using the FMOV instruction.
  Similarly, a class of vectors with same values can be encoded using FMOV, MOVI, or MVNI.
  

• c6d262aa
  by Simon Jakobi at 2026-03-23T11:12:22-04:00

  Add regression test for #13729
  
  Closes #13729.
  

• aa5dfe67
  by Sylvain Henry at 2026-03-26T03:48:56-04:00

  Check that shift values are valid
  
  In GHC's codebase in non-DEBUG builds we silently substitute shiftL/R
  with unsafeShiftL/R for performance reasons. However we were not
  checking that the shift value was valid for unsafeShiftL/R, leading to
  wrong computations, but only in non-DEBUG builds.
  
  This patch adds the necessary checks and reports an error when a wrong
  shift value is passed.
  

• c8a7b588
  by Sylvain Henry at 2026-03-26T03:48:56-04:00

  Implement basic value range analysis (#25718)
  
  Perform basic value range analysis to try to determine at compile time
  the result of the application of some comparison primops (ltWord#, etc.).
  
  This subsumes the built-in rewrite rules used previously to check if one
  of the comparison argument was a bound (e.g. (x :: Word8) <= 255 is
  always True). Our analysis is more powerful and handles type
  conversions: e.g. word8ToWord x <= 255 is now detected as always True too.
  
  We also use value range analysis to filter unreachable alternatives in
  case-expressions. To support this, we had to allow case-expressions for
  primitive types to not have a DEFAULT alternative (as was assumed before
  and checked in Core lint).
  

• a5ec467e
  by ARATA Mizuki at 2026-03-26T03:49:49-04:00

  rts: Align stack to 64-byte boundary in StgRun on x86
  
  When LLVM spills AVX/AVX-512 vector registers to the stack, it requires
  32-byte (__m256) or 64-byte (__m512) alignment. If the stack is not
  sufficiently aligned, LLVM inserts a realignment prologue that reserves
  %rbp as a frame pointer, conflicting with GHC's use of %rbp as an STG
  callee-saved register and breaking the tail-call-based calling convention.
  
  Previously, GHC worked around this by lying to LLVM about the stack
  alignment and rewriting aligned vector loads/stores (VMOVDQA, VMOVAPS)
  to unaligned ones (VMOVDQU, VMOVUPS) in the LLVM Mangler. This had two
  problems:
  
  - It did not extend to AVX-512, which requires 64-byte alignment. (#26595)
  - When Haskell calls a C function that takes __m256/__m512 arguments on
    the stack, the callee requires genuine alignment, which could cause a
    segfault. (#26822)
  
  This patch genuinely aligns the stack to 64 bytes in StgRun by saving
  the original stack pointer before alignment and restoring it in
  StgReturn. We now unconditionally advertise 64-byte stack alignment to
  LLVM for all x86 targets, making rewriteAVX in the LLVM Mangler
  unnecessary. STG_RUN_STACK_FRAME_SIZE is increased from 48 to 56 bytes
  on non-Windows x86-64 to store the saved stack pointer.
  
  Closes #26595 and #26822
  
  Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
  

• 661da815
  by Teo Camarasu at 2026-03-26T03:50:33-04:00

  ghc-internal: Float Generics to near top of module graph
  
  We remove GHC.Internal.Generics from the critical path of the
  `ghc-internal` module graph. GHC.Internal.Generics used to be in the
  middle of the module graph, but now it is nearer the top (built later).
  This change thins out the module graph and allows us to get rid of the
  ByteOrder hs-boot file.
  
  We implement this by moving Generics instances from the module where the
  datatype is defined to the GHC.Internal.Generics module. This trades off
  increasing the compiled size of GHC.Internal.Generics with reducing the
  dependency footprint of datatype modules.
  
  Not all instances are moved to GHC.Internal.Generics. For instance,
  `GHC.Internal.Control.Monad.Fix` keeps its instance as it is one of the
  very last modules compiled in `ghc-internal` and so inverting the
  relationship here would risk adding GHC.Internal.Generics back onto the
  critical path.
  We also don't change modules that are re-exported from the `template-haskell` or `ghc-heap`.
  This is done to make it easy to eventually move `Generics` to `base`
  once something like #26657 is implemented.
  
  Resolves #26930
  
  Metric Decrease:
      T21839c
  

• 45428f88
  by sheaf at 2026-03-26T03:51:31-04:00

  Avoid infinite loop in deep subsumption
  
  This commit ensures we only unify after we recur in the deep subsumption
  code in the FunTy vs non-FunTy case of GHC.Tc.Utils.Unify.tc_sub_type_deep,
  to avoid falling into an infinite loop.
  
  See the new Wrinkle [Avoiding a loop in tc_sub_type_deep] in
  Note [FunTy vs non-FunTy case in tc_sub_type_deep] in GHC.Tc.Utils.Unify.
  
  Fixes #26823
  
  Co-authored-by: simonpj <simon.peytonjones@gmail.com>
  

• 2823b039
  by Ian Duncan at 2026-03-26T03:52:21-04:00

  AArch64: fix MOVK regUsageOfInstr to mark dst as both read and written
  
  MOVK (move with keep) modifies only a 16-bit slice of the destination
  register, so the destination is both read and written. The register
  allocator must know this to avoid clobbering live values. Update
  regUsageOfInstr to list the destination in both src and dst sets.
  
  No regression test: triggering the misallocation requires specific
  register pressure around a MOVK sequence, which is difficult to
  reliably provoke from Haskell source.
  

• 57b7878d
  by Simon Jakobi at 2026-03-26T03:53:07-04:00

  Add regression test for #12002
  
  Closes #12002.
  

• c8f9df2d
  by Simon Jakobi at 2026-03-26T03:53:07-04:00

  Add regression test for #12046
  
  Closes #12046.
  
  Co-authored-by: Andreas Klebinger <klebinger.andreas@gmx.at>
  

• 615d72ac
  by Simon Jakobi at 2026-03-26T03:53:07-04:00

  Add regression test for #13180
  
  Closes #13180.
  

• 423eebcf
  by Simon Jakobi at 2026-03-26T03:53:07-04:00

  Add regression test for #11141
  
  Closes #11141.
  

• 286849a4
  by Simon Jakobi at 2026-03-26T03:53:07-04:00

  Add regression test for #11505
  
  Closes #11505.
  

• 7db149d9
  by Simon Jakobi at 2026-03-26T03:53:07-04:00

  Add regression perf test for #13820
  
  Closes #13820.
  

• e73c4adb
  by Simon Jakobi at 2026-03-26T03:53:07-04:00

  Add regression test for #10381
  
  Closes #10381.
  

• 5ebcfb57
  by Benjamin Maurer at 2026-03-26T03:54:02-04:00

  Generate assembly on x86 for word2float (#22252)
  
  We used to emit C function call for MO_UF_Conv primitive.
  Now emits direct assembly instead.
  
  Co-Authored-By: Sylvain Henry <sylvain@haskus.fr>
  Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
  

• 5b550754
  by Matthew Pickering at 2026-03-26T03:54:51-04:00

  rts: forward clone-stack messages after TSO migration
  
  MSG_CLONE_STACK assumed that the target TSO was still owned by the
  capability that received the message. This is not always true: the TSO
  can migrate before the inbox entry is handled.
  
  When that happened, handleCloneStackMessage could clone a live stack from
  the wrong capability and use the wrong capability for allocation and
  performTryPutMVar, leading to stack sanity failures such as
  checkStackFrame: weird activation record found on stack.
  
  Fix this by passing the current capability into
  handleCloneStackMessage, rechecking msg->tso->cap at handling time, and
  forwarding the message if the TSO has migrated. Once ownership matches,
  use the executing capability consistently for cloneStack, rts_apply, and
  performTryPutMVar.
  
  Fixes #27008
  

• ef0a1bd2
  by mangoiv at 2026-03-26T03:55:34-04:00

  release tracking: adopt release tracking ticket from #16816
  

• a7f40fd9
  by mangoiv at 2026-03-26T03:55:34-04:00

  release tracking: add a release tracking ticket
  
  Brings the information in the release tracking ticket up to date with
  https://gitlab.haskell.org/ghc/ghc-hq/-/blob/main/release-management.mkd
  
  Resolves #26691
  

• 161d3285
  by Teo Camarasu at 2026-03-26T03:56:18-04:00

  Revert "Set default eventlog-flush-interval to 5s"
  
  Flushing the eventlog forces a synchronisation of all the capabilities
  and there was a worry that this might lead to a performance cost for
  some highly parallel workloads.
  
  This reverts commit 66b96e2a591d8e3d60e74af3671344dfe4061cf2.
  

• 36eed985
  by Cheng Shao at 2026-03-26T03:57:03-04:00

  ghc-boot: move GHC.Data.SmallArray to ghc-boot
  
  This commit moves `GHC.Data.SmallArray` from the `ghc` library to
  `ghc-boot`, so that it can be used by `ghci` as well:
  
  - The `Binary` (from `ghc`) instance of `SmallArray` is moved to
    `GHC.Utils.Binary`
  - Util functions `replicateSmallArrayIO`, `mapSmallArrayIO`,
    `mapSmallArrayM_`, `imapSmallArrayM_` , `smallArrayFromList` and
    `smallArrayToList` are added
  - The `Show` instance is added
  - The `Binary` (from `binary`) instance is added
  

• fdf828ae
  by Cheng Shao at 2026-03-26T03:57:03-04:00

  compiler: use `Binary` instance of `BCOByteArray` for bytecode objects
  
  This commit defines `Binary` (from `compiler`) instance of
  `BCOByteArray` which serializes the underlying buffer directly, and
  uses it directly in bytecode object serialization. Previously we reuse
  the `Binary` (from `binary`) instance, and this change allows us to
  avoid double-copying via an intermediate `ByteString` when using
  `put`/`get` in `binnary`. Also see added comment for explanation.
  

• 3bf62d0a
  by Cheng Shao at 2026-03-26T03:57:03-04:00

  ghci: use SmallArray directly in ResolvedBCO
  
  This patch makes ghci use `SmallArray` directly in `ResolvedBCO` when
  applicable, making the memory representation more compact and reducing
  marshaling overhead. Closes #27058.
  

• 3d6492ce
  by Wen Kokke at 2026-03-26T03:57:53-04:00

  Fix race condition between flushEventLog and start/endEventLogging.
  
  This commit changes `flushEventLog` to acquire/release the `state_change` mutex to prevent interleaving with `startEventLogging` and `endEventLogging`. In the current RTS, `flushEventLog` _does not_ acquire this mutex, which may lead to eventlog corruption on the following interleaving:
  
  - `startEventLogging` writes the new `EventLogWriter` to `event_log_writer`.
  - `flushEventLog` flushes some events to `event_log_writer`.
  - `startEventLogging` writes the eventlog header to `event_log_writer`.
  
  This causes the eventlog to be written out in an unreadable state, with one or more events preceding the eventlog header.
  
  This commit renames the old function to `flushEventLog_` and defines `flushEventLog` simply as:
  
  ```c
  void flushEventLog(Capability **cap USED_IF_THREADS)
  {
    ACQUIRE_LOCK(&state_change_mutex);
    flushEventLog_(cap);
    RELEASE_LOCK(&state_change_mutex);
  }
  ```
  
  The old function is still needed internally within the compilation unit, where it is used in `endEventLogging` in a context where the `state_change` mutex has already been acquired. I've chosen to mark `flushEventLog_` as static and let other uses of `flushEventLog` within the RTS refer to the new version. There is one use in `hs_init_ghc` via `flushTrace`, where the new locking behaviour should be harmless, and one use in `handle_tick`, which I believe was likely vulnerable to the same race condition, so the new locking behaviour is desirable.
  
  I have not added a test. The behaviour is highly non-deterministic and requires a program that concurrently calls `flushEventLog` and `startEventLogging`/`endEventLogging`. I encountered the issue while developing `eventlog-socket` and within that context have verified that my patch likely addresses the issue: a test that used to fail within the first dozen or so runs now has been running on repeat for several hours.
  

• 7b9a75f0
  by Phil Hazelden at 2026-03-26T03:58:37-04:00

  Fix build with werror on glibc 2.43.
  
  We've been defining `_XOPEN_SOURCE` and `_POSIX_C_SOURCE` to the same
  values as defined in glibc prior to 2.43. But in 2.43, glibc changes
  them to new values, which means we get a warning when redefining them.
  By `#undef`ing them first, we no longer get a warning.
  
  Closes #27076.
  

• fe6e76c5
  by Tobias Haslop at 2026-03-26T03:59:30-04:00

  Fix broken Haddock link to Bifunctor class in description of Functor class
  

• 404b71c1
  by Luite Stegeman at 2026-03-27T04:40:49-04:00

  Fix assert in Interpreter.c
  
  If we skip exactly the number of words on the stack we end up on
  the first word in the next chunk.
  

• a85bd503
  by Luite Stegeman at 2026-03-27T04:40:49-04:00

  Support arbitrary size unboxed tuples in bytecode
  
  This stores the size (number of words on the stack) of the next
  expected tuple in the TSO, ctoi_spill_size field, eliminating
  the need of stg_ctoi_tN frames for each size.
  
  Note: On 32 bit platform there is still a bytecode tuple size
  limit of 255 words on the stack.
  
  Fixes #26946
  

• e2209031
  by Luite Stegeman at 2026-03-27T04:40:49-04:00

  Add specialized frames for small tuples
  
  Small tuples are now returned more efficiently to the interpreter.
  They use one less word of stack space and don't need manipulation
  of the TSO anymore.
  

• b26bb2ea
  by VeryMilkyJoe at 2026-03-27T04:41:38-04:00

  Remove backwards compatibility pattern synonym `ModLocation`
  
  Fixes #24932
  

• 66e5e324
  by Vladislav Zavialov at 2026-03-27T04:42:25-04:00

  Extend HsExpr with the StarIsType syntax (#26587, #26967)
  
  This patch allows kinds of the form `k -> *` and `* -> k` to occur in
  expression syntax, i.e. to be used as required type arguments.
  
  For example:
  
  	{-# LANGUAGE RequiredTypeArguments, StarIsType #-}
  	x1 = f (* -> * -> *)
  	x2 = f (forall k. k -> *)
  	x3 = f ((* -> *) -> Constraint)
  
  Summary of the changes:
  
  * Introduce the HsStar constructor of HsExpr and its extension field XStar.
    It is analogous to HsStarTy in HsType.
  
  * Refactor HsStarTy to store the unicode flag as TokStar, defined as
      type TokStar = EpUniToken "*" "★"  -- similar to TokForall, TokRArrow, etc.
    The token is stored in the extension field and replaces the Bool field.
  
  * Extend the `infixexp2` nonterminal to parse `*` as a direct argument of `->`.
    This is more limited than the full StarIsType syntax, but has the nice
    property of not conflicting with the multiplication operator `a * b`.
  
  Test case: T26967 T26967_tyop
  

• f8de456f
  by Sylvain Henry at 2026-03-27T04:43:22-04:00

  STM: don't create a transaction in the rhs of catchRetry# (#26028)
  
  We don't need to create a transaction for the rhs of (catchRetry#)
  because contrary to the lhs we don't need to abort it on retry. Moreover
  it is particularly harmful if we have code such as (#26028):
  
    let cN = readTVar vN >> retry
        tree = c1 `orElse` (c2 `orElse` (c3 `orElse` ...))
    atomically tree
  
  Because it will stack transactions for the rhss and the read-sets of all
  the transactions will be iteratively merged in O(n^2) after the
  execution of the most nested retry.
  
  This is the second attempt at implementing this. The first attempt
  triggered segfaults (#26291) and has been reverted.
  
  Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
  

• fcf092dd
  by Luite Stegeman at 2026-03-27T04:44:17-04:00

  Windows: remove StgAsyncIOResult and fix crash/leaks
  
  In stg_block_async{_void}, a stack slot was reserved for
  an StgAsyncIOResult. This slot would be filled by the IO
  manager upon completion of the async call.
  
  However, if the blocked thread was interrupted by an async
  exception, we would end up in an invalid state:
  
   - If the blocked computation was never re-entered, the
     StgAsyncIOResult would never be freed.
   - If the blocked computation was re-entered, the thread would
     find an unitialized stack slot for the StgAsyncIOResult,
     leading to a crash reading its fields, or freeing the pointer.
  
  We fix this by removing the StgAsyncIOResult altogether and writing
  the result directly to the stack.
  
  Fixes #26341
  

• 05094993
  by Luite Stegeman at 2026-03-27T04:45:12-04:00

  Don't refine DEFAULT alt for unary typeclasses
  
  A non-DEFAULT data alt for a unary typeclass dictionary would
  interfere with Unary Class Magic, leading to segfaults.
  
  fixes #27071
  

• 4ee260cf
  by sheaf at 2026-03-27T04:46:06-04:00

  Fix several oversights in hsExprType
  
  This commit fixes several oversights in GHC.Hs.Syn.Type.hsExprType:
  
    - The 'RecordCon' case was returning the type of the constructor,
      instead of the constructor application. This is fixed by using
      'splitFunTys'.
    - The 'ExplicitTuple' case failed to take into account tuple sections,
      and was also incorrectly handling 1-tuples (e.g. 'Solo') which can
      be constructed using Template Haskell.
    - The 'NegApp' case was returning the type of the negation operator,
      again failing to apply it to the argument. Fixed by using
      'funResultTy'.
    - The 'HsProc' case was computing the result type of the arrow proc
      block, without taking into account the argument type. Fix that by
      adding a new field to 'CmdTopTc' that stores the arrow type, so that
      we can construct the correct result type `arr a b` for
      `proc (pat :: a) -> (cmd :: b)`.
    - The 'ArithSeq' and 'NegApp' cases were failing to take into account
      the result 'HsWrapper', which could e.g. silently drop casts.
      This is fixed by introducing 'syntaxExpr_wrappedFunResTy' which, on
      top of taking the result type, applies the result 'HsWrapper'.
  
  These fixes are validated by the new GHC API test T26910.
  
  Fixes #26910
  

• e97232ce
  by Hai at 2026-03-27T04:47:04-04:00

  Parser.y: avoid looking at token with QualifiedDo
  
  This changes the behavior of 'hintQualifiedDo' so that the supplied
  token is not inspected when the QualifiedDo language extension bit is
  set.
  

• 9831385b
  by Vladislav Zavialov at 2026-03-27T17:22:30-04:00

  Infix holes in types (#11107)
  
  This patch introduces several improvements that follow naturally from
  refactoring HsOpTy to represent the operator as an HsType, aligning it
  with the approach taken by OpApp and HsExpr.
  
  User-facing changes:
  
  1. Infix holes (t1 `_` t2) are now permitted in types, following the
     precedent set by term-level expressions.
  
     Test case: T11107
  
  2. Error messages for illegal promotion ticks are now reported at more
     precise source locations.
  
     Test case: T17865
  
  Internal changes:
  
  * The definition of HsOpTy now mirrors that of OpApp:
  
      | HsOpTy (XOpTy p)  (LHsType p) (LHsType p) (LHsType p)
      | OpApp  (XOpApp p) (LHsExpr p) (LHsExpr p) (LHsExpr p)
  
    This moves us one step closer to unifying HsType and HsExpr.
  
  * Ignoring locations,
      the old pattern match (HsOpTy x prom lhs op rhs)
      is now written as     (HsOpTy x lhs (HsTyVar x' prom op) rhs)
      but we also handle    (HsOpTy x lhs (HsWildCardTy x')    rhs)
  
    Constructors other than HsTyVar and HsWildCardTy never appear
    in the operator position.
  
  * The various definitions across the compiler have been updated to work
    with the new representation, drawing inspiration from the term-level
    pipeline where appropriate.  For example,
  
       ppr_infix_ty       <=> ppr_infix_expr
       get_tyop           <=> get_op
       lookupTypeFixityRn <=> lookupExprFixityRn
             (the latter is factored out from rnExpr)
  
  Test cases: T11107 T17865
  

• 5b6757d7
  by mangoiv at 2026-03-27T17:23:19-04:00

  ci: build i386 non-validate for deb12
  
  This is a small fix that will unlock ghcup metadata to run, i386 debian
  12 was missing as a job.
  

• cf942119
  by Cheng Shao at 2026-03-30T15:24:37-04:00

  ghc-boot: remove unused SizedSeq instances and functions
  
  This commit removes unused `SizedSeq` instances and functions, only
  keeping the bits we need for hpc tick sequence for now.
  

• 22c5b7cc
  by Cheng Shao at 2026-03-30T15:24:38-04:00

  ghci: remove unused GHCi.BinaryArray
  
  This patch removes the unused `GHCi.BinaryArray` module from `ghci`.
  Closes #27108.
  

• 77abb4ab
  by Cheng Shao at 2026-03-30T15:25:21-04:00

  testsuite: mark T17912 as fragile on Windows
  
  T17912 is still fragile on Windows, it sometimes unexpectedly pass in
  CI. This especially strains our already scarce Windows CI runner
  resources. Mark it as fragile on Windows for the time being.
  

• d741a6cc
  by Andreas Klebinger at 2026-03-31T04:39:33-04:00

  Bump minimum shake version for hadrian.
  
  We also add the shake version we want to stack.yaml
  
  Fixes #26884
  

• 5e556f9e
  by Vladislav Zavialov at 2026-03-31T04:40:16-04:00

  Status check for the HsType~HsExpr refactoring (#25121)
  
  Add a test case to track the status of a refactoring project within GHC
  whose goal is to arrive at the following declaration:
  
  	type HsType = HsExpr
  
  The rationale for this is to increase code reuse between the term- and
  type-level code in the compiler front-end (AST, parser, renamer, type checker).
  
  The status report is saved to testsuite/tests/ghc-api/T25121_status.stdout
  and provides useful insights into what needs to happen to make progress on
  the ticket.
  

• acffb1b1
  by fendor at 2026-03-31T04:41:02-04:00

  Extract Binary instances to `GHC.ByteCode.Binary`
  

• e2ea8e25
  by fendor at 2026-03-31T04:41:02-04:00

  Add `seqNonEmpty` for evaluating `NonEmpty a`
  

• 048b00b7
  by fendor at 2026-03-31T04:41:02-04:00

  Record `LinkableUsage` instead of `Linkable` in `LoaderState`
  
  Retaining a ByteCode `Linkable` after it has been loaded retains its
  `UnlinkedBCO`, keeping it alive for the remainder of the program.
  This starts accumulating a lot of `UnlinkedBCO` and memory over time.
  However, the `Linkable` is merely used to later record its usage in
  `mkObjectUsage`, which  is used for recompilation checking.
  
  However, this is incorrect, as the interface file and bytecode objects
  could be in different states, e.g. the interface changes, but the
  bytecode library hasn't changed so we don't need to recompile and vice
  versa.
  
  By computing a `Fingerprint` for the `ModuleByteCode`, and recording it
  in the `LinkableUsage`, we know precisely whether the `ByteCode` object
  on disk is outdated.
  
  Thus, parts of this commit just makes sure that we efficiently compute a
  `Fingerprint` for `ModuleByteCode` and store it in the on-disk
  representation of `ModuleByteCode`.
  
  We change the `LoaderState` to retain `LinkableUsage`, which is smaller
  representation of a `Linkable`. This allows us to free the unneeded
  fields of `Linkable` after linking them.
  
  We declare the following memory invariants that this commit implements:
  
  * No `LinkablePart` should be retained from `LoaderState`.
  * `Linkable`s should be unloaded after they have been loaded.
  
  These invariants are unfortunately tricky to automatically uphold, so we
  are simply documenting our assumptions for now.
  
  We introduce the `linkable-space` test which makes sure that after
  loading, no `DotGBC` or `UnlinkedBCO` is retained.
  
  -------------------------
  Metric Increase:
      MultiLayerModulesTH_OneShot
  -------------------------
  
  We allocate a bit more, but the peak number of bytes doesn't change.
  While a bit unfortunate, accepting the metric increase.
  
  We add multiple new performance measurements where we were able to
  observe the desired memory invariants. Further, we add regression tests
  to validate that the recompilation checker behaves more correct than
  before.
  

• 2d1c1997
  by Simon Jakobi at 2026-03-31T04:41:46-04:00

  Eliminate dictionary-passing in ListMap operations
  
  Mark the ListMap helpers 'INLINABLE' so importing modules can specialise
  the 'TrieMap (ListMap m)' methods and avoid recursive dictionary-passing.
  
  See Note [Making ListMap operations specialisable].
  
  Fixes #27097
  

• ed2c6570
  by Cheng Shao at 2026-03-31T04:42:33-04:00

  testsuite: fix testdir cleanup logic on Windows
  
  testdir cleanup is unreliable on Windows (#13162) and despite existing
  hacks in the driver, new failure mode has occurred. This patch makes
  it print the warning and carry on when failed to clean up a testdir,
  instead of reporting a spurious framework failure. See added comment
  for detailed explanation.
  

• d9388e29
  by Simon Jakobi at 2026-03-31T13:14:59-04:00

  Add regression test for #18177
  
  Closes #18177.
  
  Assisted-by: Codex
  

• 6a10045c
  by mangoiv at 2026-03-31T13:15:43-04:00

  ci: allow metric decrease for two tests on i386
  
  There has been a nightly failure on i386 due to a compiler runtime
  improvement on i386 debian 12. We allow that.
  
  Metric Decrease (test_env='i386-linux-deb12'):
    T12707 T8095
  

• 7fbb4fcb
  by Rodrigo Mesquita at 2026-04-01T12:16:33+00:00

  Bump default language edition to GHC2024
  
  As per the accepted ghc-proposal#632
  
  Fixes #26039
  

• 5ae43275
  by Peng Fan at 2026-04-01T19:01:06-04:00

  NCG/LA64: add cmpxchg and xchg primops
  
  And append some new instructions for LA664 uarch.
  
  Apply fix to cmpxchg-prim by Andreas Klebinger.
  
  Suggestions in https://gitlab.haskell.org/ghc/ghc/-/merge_requests/15515
  

• 8f95534a
  by Duncan Coutts at 2026-04-01T19:01:52-04:00

  Remove signal-based ticker implementations
  
  Fixes issue #27073
  
  All supported platforms should work with the pthreads + nanosleep based
  ticker implementation. This avoids all the problems with using signals.
  
  In practice, all supported platforms were probably using the non-signal
  tickers already, which is probably why we do not get lots of reports
  about deadlocks and other weirdness: we were definately using functions
  that are not async signal safe in the tick handler (such as fflush to
  flussh the eventlog).
  
  Only Solaris was explicitly using the timer_create ticker impl, and even
  Solaris could probably use the pthreads one (if anyone cared: Solaris is
  no longer a Teir 3 supported platform).
  
  Plausibly the only supported platform that this will change will be AIX,
  which should now use the pthreads impl.
  

• 51b32b0d
  by Duncan Coutts at 2026-04-01T19:01:52-04:00

  Tidy up some timer/ticker comments elsewhere
  

• 7562bcd7
  by Duncan Coutts at 2026-04-01T19:01:52-04:00

  Remove now-unused install_vtalrm_handler
  
  Support function used by both of the signal-based ticker
  implementations.
  

• 6da127c7
  by Duncan Coutts at 2026-04-01T19:01:52-04:00

  No longer probe for timer_create in rts/configure
  
  It was only used by the TimerCreate.c ticker impl.
  

• 3fd490fa
  by Duncan Coutts at 2026-04-01T19:01:53-04:00

  Note that rtsTimerSignal is deprecated.
  

• 63099b0f
  by Simon Jakobi at 2026-04-01T19:02:39-04:00

  Add perf test for #13960
  
  Closes #13960.
  

• 58009c14
  by Apoorv Ingle at 2026-04-02T09:51:24+01:00

  Streamline expansions using HsExpansion (#25001)
  
  Notes added [Error Context Stack] [Typechecking by expansion: overview]
  Notes updated Note [Expanding HsDo with XXExprGhcRn] [tcApp: typechecking applications]
  
  -------------------------
  Metric Decrease:
      T9020
  -------------------------
  
  There are 2 key changes:
  
  1. `HsExpand` datatype mediates between expansions
  2. Replace `ErrCtxtM` to a simpler `HsCtxt` that does not depend on a `TidyEnv`
  
  This has some consequences detailed below:
  
  1. `HsExpand` datatype mediates between expansions
     * Simplifies the implementations of `tcExpr` to work on `XExpr`
     * Removes `VACtxt` (and its associated `VAExpansion` and `VACall`) datatype, it is subsumed by simply a `SrcSpan`.
     * Removes the function `addHeadCtxt` as it is now mearly setting a location
     * The function `tcValArgs` does its own argument number management
     * move `splitHsTypes` out of `tcApp`
     * Removes special case of tcBody from `tcLambdaMatches`
     * Removes special case of `dsExpr` for `ExpandedThingTc`
     * Renames `tcMonoExpr` -> `tcMonoLExpr`, `tcMonoExprNC` -> `tcMonoLExpr`
     * Renames `EValArg`, `EValArgQL` fields: `ea_ctxt` -> `ea_loc_span` and `eaql_ctx` -> `eaql_loc_span`
     * Remove `PopErrCtxt` from `XXExprGhcRn`
     * `fun_orig` in tcInstFun depends on the SrcSpan of the head of the application chain (similar to addArgCtxt)
       - it references the application chain head if it is user located, or
        uses the error context stack  as a fallback if it's a generated
        location
     * Make a new variant `GeneratedSrcSpan` in `SrcSpan` for HIEAst Nodes
      - Expressions wrapped around `GeneratedSrcSpan` are ignored and never added to the error context stack
      - In Explicit list expansion `fromListN` is wrapped with a `GeneratedSrcSpan` with `GeneratedSrcSpanDetails` field to store the original srcspan
  
  2. Replace `ErrCtxtM` to a simpler `HsCtxt` that does not depend on a `TidyEnv`
     * Merge `HsThingRn` to `HsCtxt`
     * Landmark Error messages are now just computed on the fly
     * Make HsExpandedRn and HsExpandedTc payload a located HsExpr GhcRn
     * `HsCtxt` are tidied and zonked at the end right before printing
  
  Co-authored-by: simonpj <simon.peytonjones@gmail.com>
  

• bc4b4487
  by Zubin Duggal at 2026-04-03T14:22:27-04:00

  driver: recognise .dyn_o as a valid object file to link if passed on the command line.
  This allows plugins compiled with this suffix to run.
  
  Fixes #24486
  

• 5ebb9121
  by Simon Jakobi at 2026-04-03T14:23:11-04:00

  Add regression test for #16145
  
  Closes #16145.
  

• c1fc1c44
  by Simon Peyton Jones at 2026-04-03T19:56:07-04:00

  Refactor eta-expansion in Prep
  
  The Prep pass does eta-expansion but I found cases where it was
  doing bad things.  So I refactored and simplified it quite a bit.
  
  In the new design
  * There is no distinction between `rhs` and `body`; in particular,
    lambdas can now appear anywhere, rather than just as the RHS of
    a let-binding.
  
  * This change led to a significant simplification of Prep, and
    a more straightforward explanation of eta-expansion. See the new
       Note [Eta expansion]
  
  * The consequences is that CoreToStg needs to handle naked lambdas.
    This is very easy; but it does need a unique supply, which forces
    some simple refactoring.  Having a unique supply to hand is probably
    a good thing anyway.
  

• 21beda2c
  by Simon Peyton Jones at 2026-04-03T19:56:07-04:00

  Clarify Note [Interesting dictionary arguments]
  
  Ticket #26831 ended up concluding that the code for
  GHC.Core.Opt.Specialise.interestingDict was good, but the
  commments were a bit inadequate.
  
  This commit improves the comments slightly.
  

• 3eaac1f2
  by Simon Peyton Jones at 2026-04-03T19:56:07-04:00

  Make inlining a bit more eager for overloaded functions
  
  If we have
     f d = ... (class-op d x y) ...
  we should be eager to inline `f`, because that may change the
  higher order call (class-op d x y) into a call to a statically
  known function.
  
  See the discussion on #26831.
  
  Even though this does a bit /more/ inlining, compile times
  decrease by an average of 0.4%.
  
  Compile time changes:
  
   DsIncompleteRecSel3(normal)     431,786,104  -2.2%
      ManyAlternatives(normal)     670,883,768  -1.6%
      ManyConstructors(normal)   3,758,493,832  -2.6% GOOD
  MultilineStringsPerf(normal)      29,900,576  -2.8%
              T14052Type(ghci)   1,047,600,848  -1.2%
                T17836(normal)     392,852,328  -5.2%
                T18478(normal)     442,785,768  -1.4%
               T21839c(normal)     341,536,992 -14.1% GOOD
                 T3064(normal)     174,086,152  +5.3%  BAD
                 T5631(normal)     506,867,800  +1.0%
        hard_hole_fits(normal)     209,530,736  -1.3%
   info_table_map_perf(normal)  19,523,093,184  -1.2%
            parsing001(normal)     377,810,528  -1.1%
            pmcOrPats(normal)       60,075,264  -0.5%
  
                                   geo. mean    -0.4%
                                   minimum     -14.1%
                                   maximum      +5.3%
  
  Runtime changes
      haddock.Cabal(normal)   27,351,988,792  -0.7%
       haddock.base(normal)   26,997,212,560  -0.6%
   haddock.compiler(normal)  219,531,332,960  -1.0%
  
  Metric Decrease:
      LinkableUsage01
      ManyConstructors
      T17949
      T21839c
      T13035
      TcPlugin_RewritePerf
      hard_hole_fits
  
  Metric Increase:
      T3064
  

• 5cbc2c82
  by Matthew Pickering at 2026-04-03T19:57:02-04:00

  bytecode: Add magic header/version to bytecode files
  
  In order to avoid confusing errors when using stale interface files (ie
  from an older compiler version), we add a simple header/version check
  like the one for interface files.
  
  Fixes #27068
  

• d95a1936
  by fendor at 2026-04-03T19:57:02-04:00

  Add constants for bytecode in-memory buffer size
  
  Introduce a common constant for the default size of the .gbc and
  .bytecodelib binary buffer.
  
  The buffer is by default set to 1 MB.
  

• b822c30a
  by mangoiv at 2026-04-03T19:57:49-04:00

  testsuite: filter stderr for static001 on darwin
  
  This reactivates the test on x86_64 darwin as this should have been done
  long ago and ignores warnings emitted by ranlib on newer version of the
  darwin toolchain since they are benign. (no symbols for stub libraries)
  
  Fixes #27116
  

• 28ce1f8a
  by Andreas Klebinger at 2026-04-03T19:58:44-04:00

  Give the Data instance for ModuleName a non-bottom toConstr implementation.
  
  I've also taken the liberty to add Note [Data.Data instances for GHC AST Types]
  describing some of the uses of Data.Data I could find.
  
  Fixes #27129
  

• 8ca41ffe
  by mangoiv at 2026-04-03T19:59:30-04:00

  issue template: fix add bug label
  

• 3981db0c
  by Sylvain Henry at 2026-04-03T20:00:33-04:00

  Add more canned GC functions for common register patterns (#27142)
  
  Based on analysis of heap-check sites across the GHC compiler and Cabal,
  the following patterns were not covered by existing canned GC functions
  but occurred frequently enough to warrant specialisation:
  
    stg_gc_ppppp  -- 5 GC pointers
    stg_gc_ip     -- unboxed word + GC pointer
    stg_gc_pi     -- GC pointer + unboxed word
    stg_gc_ii     -- two unboxed words
    stg_gc_bpp    -- byte (I8) + two GC pointers
  
  Adding these reduces the fraction of heap-check sites falling back to
  the generic GC path from ~1.4% to ~0.4% when compiling GHC itself.
  
  Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
  

• d17d1435
  by Matthew Pickering at 2026-04-03T20:01:19-04:00

  Make home unit dependencies stored as sets
  
  Co-authored-by: Wolfgang Jeltsch <wolfgang@well-typed.com>
  

• 92a97015
  by Simon Peyton Jones at 2026-04-05T00:58:57+01:00

  Add Invariant (NoTypeShadowing) to Core
  
  This commit addresses #26868, by adding
  a new invariant (NoTypeShadowing) to Core.
  
  See Note [No type-shadowing in Core] in GHC.Core
  

• 8b5a5020
  by Simon Peyton Jones at 2026-04-05T00:58:57+01:00

  Major refactor of free-variable functions
  
  For some time we have had two free-variable mechanims for types:
  
  * The "FV" mechanism, embodied in GHC.Utils.FV, which worked OK, but
    was fragile where eta-expansion was concerned.
  
  * The TyCoFolder mechanism, using a one-shot EndoOS accumulator
  
  I finally got tired of this and refactored the whole thing, thereby
  addressing #27080.   Now we have
  
  * `GHC.Types.Var.FV`, which has a composable free-variable result type,
    very much in the spirit of the old `FV`, but much more robust.
    (It uses the "one shot trick".)
  
  * GHC.Core.TyCo.FVs now has just one technology for free variables.
  
  All this led to a lot of renaming.
  
  There are couple of error-message changes.  The change in T18451
  makes an already-poor error message even more mysterious.  But
  it really needs a separate look.
  
  We also now traverse the AST in a different order leading to a different
  but still deterministic order for FVs and test output has been adjusted
  accordingly.
  

• 4bf040c6
  by sheaf at 2026-04-05T14:56:29-04:00

  Add utility pprTrace_ function
  
  This function is useful for quick debugging, as it can be added to a
  where clause to pretty-print debugging information:
  
    fooBar x y
      | cond      = body1
      | otherwise = body2
      where
        !_ = pprTrace_ "fooBar" $
             vcat [ text "x:" <+> ppr x
                  , text "y:" <+> ppr y
                  , text "cond:" <+> ppr cond
                  ]
  

• 502e6ffe
  by Andrew Lelechenko at 2026-04-07T04:47:21-04:00

  base: improve error message for Data.Char.chr
  
  As per https://github.com/haskell/core-libraries-committee/issues/384
  

• b21bd52e
  by Simon Peyton Jones at 2026-04-07T04:48:07-04:00

  Refactor FunResCtxt a bit
  
  Fixes #27154
  

• 7fe84ea5
  by Zubin Duggal at 2026-04-07T19:11:52+05:30

  compiler: Warn when -finfo-table-map is used with -fllvm
  
  These are currently not supported together.
  
  Fixes #26435
  

• 4a45a7da
  by Matthew Pickering at 2026-04-08T04:37:29-04:00

  packaging: correctly propagate build/host/target to bindist configure script
  
  At the moment the host and target which we will produce a compiler for
  is fixed at the initial configure time. Therefore we need to persist
  the choice made at this time into the installation bindist as well so we
  look for the right tools, with the right prefixes at install time.
  
  In the future, we want to provide a bit more control about what kind of
  bindist we produce so the logic about what the host/target will have to
  be written by hadrian rather than persisted by the configure script. In
  particular with cross compilers we want to either build a normal stage 2
  cross bindist or a stage 3 bindist, which creates a bindist which has a
  native compiler for the target platform.
  
  Fixes #21970
  
  Co-authored-by: Sven Tennie <sven.tennie@gmail.com>
  

• b0950df6
  by Sven Tennie at 2026-04-08T04:37:29-04:00

  Cross --host and --target no longer required for cross (#21970)
  
  We set sane defaults in the configure script. Thus, these paramenters
  aren't required any longer.
  

• fef35216
  by Sven Tennie at 2026-04-08T04:37:30-04:00

  ci: Define USER_CONF_CC_OPTS_STAGE2 for aarch64/mingw
  
  ghc-toolchain doesn't see $CONF_CC_OPTS_STAGE2 when the bindist gets
  configured. So, the hack to override the compiler gets lost.
  

• 8dd6f453
  by Cheng Shao at 2026-04-08T04:38:11-04:00

  ghci: use ShortByteString for LookupSymbol/LookupSymbolInDLL/LookupClosure messages
  
  This patch refactors ghci to use `ShortByteString` for
  `LookupSymbol`/`LookupSymbolInDLL`/`LookupClosure` messages as the
  first part of #27147.
  
  Co-authored-by: Codex <codex@openai.com>
  

• 371ef200
  by Cheng Shao at 2026-04-08T04:38:11-04:00

  ghci: use ShortByteString for MkCostCentres message
  
  This patch refactors ghci to use `ShortByteString` for `MkCostCentres`
  messages as a first part of #27147. This also considerably lowers the
  memory overhead of breakpoints when cost center profiling is enabled.
  
  -------------------------
  Metric Decrease:
      interpreter_steplocal
  -------------------------
  
  Co-authored-by: Codex <codex@openai.com>
  

• 4a122bb6
  by Phil Hazelden at 2026-04-08T20:49:42-04:00

  Implement modifiers syntax.
  
  The `%m` syntax of linear types is now accepted in more places, to allow
  use by future extensions, though so far linear types is still the only
  consumer.
  
  This may break existing code where it
  
  * Uses -XLinearTypes.
  * Has code of the form `a %m -> b`, where `m` can't be inferred to be
    kind Multiplicity.
  
  The code can be fixed either by adding a kind annotation, or by setting
  `-XLinearTypes -XNoModifiers`.
  
  Proposal:
  https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0370-modifiers.rst
  

• 07267f79
  by Zubin Duggal at 2026-04-08T20:50:25-04:00

  hadrian: Don't include the package hash in the haddock directory
  
  Since GHC 9.8 and hash_unit_ids, haddock urls have looked like`ghc-9.10.3/doc/html/libraries/base-4.20.2.0-39f9/**/*.html`
  
  The inclusion of the hash makes it hard for downstream non-boot packages to properly link to these files, as the hash is not
  part of a standard cabal substitution.
  
  Since we only build one version of each package, we don't need the hash to disambiguate anything, we can just remove it.
  
  Fixes #26635
  

• 0a83b95b
  by ARATA Mizuki at 2026-04-08T20:51:18-04:00

  testsuite: Allow multiple ways to be run by setting multiple command-line options
  
  This patch allows multiple `--test-way`s to take effect, like:
  
  $ hadrian/build test --test-way=normal --test-way=llvm
  
  Previously, only one way was run if the test speed was 'normal' or 'fast'.
  
  Closes #26926
  
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  

• e841931c
  by Teo Camarasu at 2026-04-08T20:52:00-04:00

  doc: improve eventlog-flush-interval flag documentation
  
  We mention the performance cost and how this flag can be turned off.
  
  Resolves #27056
  

• e332db25
  by Teo Camarasu at 2026-04-08T20:52:01-04:00

  docs/user_guide: fix typo
  

• 5b82080a
  by Simon Jakobi at 2026-04-08T20:52:44-04:00

  Fix -dsuppress-uniques for free variables in demand signatures
  
  Before:          Str=b{sXyZ->S}
  With this patch: Str=b{S}
  
  T13143.stderr is updated accordingly.
  
  Fixes #27106.
  

• b7a084cc
  by Simon Jakobi at 2026-04-08T20:53:27-04:00

  Documentation fixes for demand signature notation
  
  Fixes #27115.
  

• 59391132
  by Simon Jakobi at 2026-04-08T20:54:08-04:00

  Use upsert for non-deleting map updates
  
  Some compiler functions were using `alter`, despite never removing
  any entries: they only update an existing entry or insert a new one.
  
  These functions are converted to using `upsert`:
  
      alter  :: (Maybe a -> Maybe a) -> Key -> Map a -> Map a
      upsert :: (Maybe a ->       a) -> Key -> Map a -> Map a
  
  `upsert` variants are also added to APIs of the various Word64Map
  wrapper types.
  
  The precedent for this `upsert` operation is in the containers library:
  see https://github.com/haskell/containers/pull/1145
  
      Metrics: compile_time/bytes allocated
      -------------------------------------
  
          geo. mean:    -0.1%
          minimum:      -0.5%
          maximum:      +0.0%
  
  Resolves #27140.
  

• da7e82f4
  by Cheng Shao at 2026-04-08T20:54:49-04:00

  testsuite: fix testsuite run for +ipe again
  
  This patch makes the +ipe flavour transformer pass the entire
  testsuite again by dropping stdout/stderr checks of certain tests that
  are sensitive to stack layout changes with `+ipe`. Related: #26799.
  

• b135a87d
  by Zubin Duggal at 2026-04-09T19:36:50+05:30

  Bump directory submodule to 1.3.11.0 (unreleased)
  

• 3a291d07
  by Zubin Duggal at 2026-04-09T19:36:50+05:30

  Bump file-io submodule to 0.2.0
  

• e0ab606d
  by Zubin Duggal at 2026-04-10T18:40:20+05:30

  Release notes for GHC 10.0
  

• e08b9b34
  by Zubin Duggal at 2026-04-10T18:40:20+05:30

  Bump ghc-prim version to 0.14.0
  

• a92aac6e
  by Zubin Duggal at 2026-04-10T18:40:20+05:30

  Bump template-haskell to 2.25.0.0; update submodule exceptions for TH 2.25
  

• f254d9e8
  by Zubin Duggal at 2026-04-10T18:40:20+05:30

  Bump GHC version to 10.0
  

• 6ce0368a
  by Zubin Duggal at 2026-04-10T18:40:28+05:30

  Bump base to 4.23.0.0; update submodules for base 4.24 upper bound
  

• 702fb8a5
  by Zubin Duggal at 2026-04-10T18:40:28+05:30

  Bump GHC version to 10.1; update submodules template-haskell-lift and template-haskell-quasiquoter for ghc-internal 10.200
  

• 75df1ca4
  by Zubin Duggal at 2026-04-10T18:40:28+05:30

  Use changelog.d for release notes (#26002)
  
  GHC now uses a fragment-based changelog workflow using a custom script adapted from https://codeberg.org/fgaz/changelog-d.
  
  Contributors add a file in changelog.d/ for each user-facing change.
  At release time, these are assembled into release notes for sphinx (in RST) format, using
  the tool.
  
  New hadrian `changelog` target to generate changelogs
  
  CI job to validate changelog entries for MRs unless skipped with ~"no-changelog" label
  
  Teach sphinx about ghc-mr: extlink to link to MRs
  
  Remove `ghc-package-list` from sphinx, and implement it in changelog-d instead (Fixes #26476).
  
  (cherry picked from commit 989c07249978f418dfde1353abfad453f024d61a)
  

• 585d7450
  by Luite Stegeman at 2026-04-11T02:17:13-04:00

  tc: discard warnings in tcUserStmt Plan C
  
  We typecheck let_stmt twice, but we don't want the warnings twice!
  
  see #26233
  

• 2df604e9
  by Sylvain Henry at 2026-04-11T02:19:30-04:00

  Introduce TargetInt to represent target's Int (#15973)
  
  GHC was using host 'Int' in several places to represent values that
  live in the target machine's 'Int' type.  This is silently wrong when
  cross-compiling from a 32-bit host to a 64-bit target: the host Int
  is 32 bits while the target Int is 64 bits.
  
  See Note [TargetInt] in GHC.Platform.
  
  Also used the opportunity to make DynTag = Word8.
  
  Fixes #15973
  
  Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
  

• d419e972
  by Luite Stegeman at 2026-04-13T15:16:04-04:00

  Suppress desugaring warnings in the pattern match checker
  
  Avoid duplicating warnings from the actual desugaring pass.
  
  fixes #25996
  

• c5b80dd0
  by Phil de Joux at 2026-04-13T15:16:51-04:00

  Typo ~/ghc/arch-os-version/environments
  

• 71462fff
  by Luite Stegeman at 2026-04-13T15:17:38-04:00

  add changelog entry for #26233
  

• d1ddfd4b
  by Rodrigo Mesquita at 2026-04-14T18:41:12-04:00

  Add test for #25636
  
  The existing test behaviour of "T23146_liftedeq" changed because the
  simplifier now does a bit more inlining. We can restore the previous bad
  behavior by using an OPAQUE pragma.
  
  This test doubles as a test for #25636 when run in ghci, so we add it as
  such.
  

• b9df40ee
  by Rodrigo Mesquita at 2026-04-14T18:41:12-04:00

  refactor: protoBCOName is always a Name
  
  Simplifies the code by removing the unnecessary type argument to
  ProtoBCO which was always 'Name'
  

• 5c2a179e
  by Rodrigo Mesquita at 2026-04-14T18:41:12-04:00

  Allocate static constructors for bytecode
  
  This commit adds support for static constructors when compiling and
  linking ByteCode objects.
  
  Top-level StgRhsCon get lowered to ProtoStaticCons rather than to
  ProtoBCOs. A ProtoStaticCon gets allocated directly as a data con
  application on the heap (using the new primop newConApp#).
  
  Previously, we would allocate a ProtoBCO which, when evaluated, would
  PACK and return the constructor.
  A few more details are given in Note [Static constructors in Bytecode].
  
  Secondly, this commit also fixes issue #25636 which was caused by
  linking *unlifted* constructors in BCO instructions as
      - (1) a thunk indexing the array of BCOs in a module
      - (2) which evaluated to a BCO which still had to be evaluated to
        return the unlifted constructor proper.
  
  The (2) issue has been resolved by allocating the static constructors
  directly. The (1) issue can be resolved by ensuring that we allocate all
  unlifted top-level constructors eagerly, and leave the knot-tying for
  the lifted BCOs and top-level constructors only.
  
  The top-level unlifted constructors are never mutually recursive, so we
  can allocate them all in one go as long as we do it in topological
  order. Lifted fields of unlifted constructors can still be filled by the
  knot-tied lifted variables since in those fields it is fine to keep
  those thunks. See Note [Tying the knot in createBCOs] for more details.
  
  Fixes #25636
  
  -------------------------
  Metric Decrease:
      LinkableUsage01
  -------------------------
  

• cde47053
  by Rodrigo Mesquita at 2026-04-14T18:41:12-04:00

  Revert "StgToByteCode: Assert that PUSH_G'd values are lifted"
  
  This reverts commit ec26c54d818e0cd328276196930313f66b780905.
  
  Ever since f7a22c0f4e9ae0dc767115d4c53fddbd8372b777, we now do support
  and will link top-level unlifted constructors into evaluated and
  properly tagged values which we can reference with PUSH_G.
  
  This assertion is no longer true and triggered a failure in T25636
  

• c7a7e5b8
  by Rodrigo Mesquita at 2026-04-14T18:41:12-04:00

  refactor: Tag more remote Ptrs as RemotePtr
  
  Pure refactor which improves the API of
  
  - GHC.ByteCode.Linker
  - GHC.Runtime.Interpreter
  - GHC.Runtime.Interpreter.Types.SymbolCache
  
  by using `RemotePtr` for more functions which used to return `Ptr`s that
  could potentially be in a foreign process. E.g. `lookupIE`,
  `lookupStaticPtr`, etc...
  

• fc59494c
  by Rodrigo Mesquita at 2026-04-14T18:41:12-04:00

  Add float# and subword tests for #25636
  
  These tests cover that static constructors in bytecode work correctly
  for Float# and subword values (Word8#, Word16#)
  

• 477f521b
  by Rodrigo Mesquita at 2026-04-14T18:41:12-04:00

  test: Validate topoSort logic in createBCOs
  
  This test validates that the topological sorting and ordering of the
  unlifted constructors and lifted constructors in `createBCOs` is
  correct.
  
  See `Note [Tying the knot in createBCOs]` for why tying the knot for the
  created BCOs is slightly difficult and why the topological sorting is
  necessary.
  
  This test fails when `let topoSortedObjs = topSortObjs objs` is
  substituted by `let topoSortedObjs = zip [0..] objs`, thus witnessing
  the toposort logic is correct and necessary.
  
  The test calls the ghci `createBCOs` directly because it is currently
  impossible to construct in Source Haskell a situation where a top-level
  static unlifted constructor depends on another (we don't have top-level
  unlifted constructors except for nullary constructors like `Leaf ::
  (UTree :: UnliftedType)`).
  
  This is another test for fix for #25636
  

• 2d9c30be
  by Simon Jakobi at 2026-04-14T18:42:00-04:00

  Improve tests for `elem`
  
  ...in order to simplify the work on #27096.
  
  * Improve T17752 by including the Core output in golden files, checking
    both -O1 and -O2.
  * Add tests for fusion and no-fusion cases.
  
  Fixes #27101.
  

• 2dadf3b0
  by sheaf at 2026-04-16T13:28:39-04:00

  Simplify mkTick
  
  This commit simplifies 'GHC.Core.Utils.mkTick', removing the
  accumulating parameter 'rest' which was suspiciously treating a bunch of
  different ticks as a group, and moving the group as a whole around the
  AST, ignoring that the ticks in the group might have different placement
  properties.
  
  The most important change is that we revert the logic (added in 85b0aae2)
  that allowed ticks to be placed around coercions, which caused serious
  issues (e.g. #27121). It was just a mistake, as it doesn't make sense
  to put a tick around a coercion.
  
  Also adds Note [Pushing SCCs inwards] which clarifies the logic for
  pushing SCCs into lambdas, constructor applications, and dropping SCCs
  around non-function variables (in particular the treatment of splittable
  ticks).
  
  A few other changes are also implemented:
  
    - simplify 'can_split' predicate (no functional change)
    - combine profiling ticks into one when possible
  
  Fixes #26878, #26941 and #27121
  
  Co-authored-by: simonpj <simon.peytonjones@gmail.com>
  

• a0d6f1f4
  by Simon Jakobi at 2026-04-16T13:29:28-04:00

  Add regression test for #9074
  
  Closes #9074.
  

• d178ee89
  by Sylvain Henry at 2026-04-16T13:30:25-04:00

  Add changelog for #15973
  

• e8a196c6
  by sheaf at 2026-04-16T13:31:19-04:00

  Deal with 'noSpec' in 'coreExprToPmLit'
  
  This commit makes two separate changes relating to
  'GHC.HsToCore.Pmc.Solver.Types.coreExprAsPmLit':
  
    1. Commit 7124e4ad mistakenly marked deferred errors as non-canonical,
       which led to the introduction of 'nospec' wrappers in the
       generated Core. This reverts that accident by declaring deferred
       errors as being canonical, avoiding spurious 'nospec' wrapping.
    2. Look through magic identity-like Ids such as 'nospec', 'inline' and
       'lazy' in 'coreExprAsPmLit', just like Core Prep does.
       There might genuinely be incoherent evidence, but that shouldn't
       obstruct the pattern match checker. See test T27124a.
  
  Fixes #25926 #27124
  
  -------------------------
  Metric Decrease:
      T3294
  -------------------------
  

• 8cb99552
  by Sylvain Henry at 2026-04-16T19:22:43-04:00

  hadrian: warn when package index is missing (#16484)
  
  Since cabal-install 3.0 we can query the path of remote-repo-cache and
  check if hackage package index is present.
  
  Fixes #16484
  

• d6ce7477
  by Richard Eisenberg at 2026-04-16T19:23:25-04:00

  Teach hadrian to --skip-test.
  
  Fixes #27188.
  
  This adds the --skip-test flag to `hadrian build`, as documented in the
  patch.
  

• 7666f4a9
  by Fendor at 2026-04-17T22:29:51-04:00

  Migrate `ghc-pkg` to use `OsPath` and `file-io`
  
  `ghc-pkg` should use UNC paths as much as possible to avoid MAX_PATH
  issues on windows.
  
  `file-io` uses UNC Paths by default on windows, ensuring we use the
  correct APIs and that we finally are no longer plagued by MAX_PATH
  issues in CI and private machines.
  
  On top of it, the higher correctness of `OsPath` is appreciated in this
  small codebase. Also, we improve memory usage very slightly, due to the
  more efficient memory representation of `OsPath` over `FilePath`
  
  Adds `ghc-pkg` regression test for MAX_PATH on windows
  
  Make sure `ghc-pkg` behaves as expected when long paths (> 255) are
  involved on windows.
  
  Let's generate a testcase where we can actually observe that `ghc-pkg`
  behaves as epxected.
  
  See the documentation for windows on Maximum Path Length Limitation:
  
  * `https://learn.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation`
  
  Adds changelog entry for long path support in ghc-pkg.
  

• 78434e8c
  by Simon Peyton Jones at 2026-04-17T22:30:38-04:00

  Kill off the substitution in Lint
  
  Now that we have invariant (NoTypeShadowing) we no longer
  need Lint to carry an ambient substitution.  This makes it
  simpler and faster.  A really worthwhile refactor.
  
  There are some knock-on effects
  
  * Linting join points after worker/wrapper.  See
    Note [Join points and beta redexes]
  
  * Running a type substitution after the desugarer.
    See Note [Substituting type-lets] in
    the new module GHC.Core.SubstTypeLets
  
  Implements #27078
  
  Most perf tests don't use Lint so we won't see a perf incresae.
  But T1969, which uses -O0 and Lint, gets 1.3% worse because it has
  to run the SubstTypeLets pass which is a somewhat expensive no-op
  
  Overall though compile-time allocations are down 0.1%.
  
  Metric Increase:
      T1969
  

• 86ca6c2c
  by mangoiv at 2026-04-17T22:31:22-04:00

  testsuite: inline elemCoreTest
  
  Some weird (probably python scoping) rule caused elemCoreTest, a regex
  being out of scope on ubuntu, presumably because of a newer python version.
  This patch just inlines the regex, which fixes the issue.
  
  Fixes #27193
  

• 72d6dc74
  by aparker at 2026-04-20T20:15:44-04:00

  NCG: Implement constant folding for vector simd ops (Issue #25030)
  

• b9cab907
  by sheaf at 2026-04-20T20:15:44-04:00

  Mark some SIMD tests as broken on i386 optllvm
  
  As seen in #25498, several SIMD tests are broken on i386 in the optllvm
  way. This commit marks them as "expect_broken".
  

• 76528cc3
  by Wolfgang Jeltsch at 2026-04-20T20:16:25-04:00

  Move most of the `System.IO` implementation into `base`
  
  This involves a rewrite of the `combine` helper function to avoid the
  use of `last`, which would now be flagged as an error.
  
  Metric Decrease:
      LinkableUsage01
      T3294
  Metric Increase:
      T12227
      T12707
      T5642
  

• 04d143c0
  by Luite Stegeman at 2026-04-21T14:05:33-04:00

  rts: add a few missing i386 relocations in the rts linker
  

• 014087e7
  by Luite Stegeman at 2026-04-21T14:05:34-04:00

  CodeOutput: Fix finalizers on multiple platforms
  
   - ELF platforms: emit .fini_array section
   - wasm32/Darwin: emit initializer with __cxa_atexit call
   - Windows: use -Wl,--whole-archive to prevent dropping finalizer symbols
   - rts linker: fix crash/assertion failure unloading objects with finalizers
  
  fixes #27072
  

• 915bba6f
  by Simon Jakobi at 2026-04-21T14:06:16-04:00

  Add regression test for #10531
  
  Closes #10531.
  

• 86a646a6
  by Andreas Klebinger at 2026-04-22T13:00:05-04:00

  Revert use of generic instances for compiler time perf reasons.
  
  Revert "Derive Semigroup/Monoid for instances believed could be derived in #25871"
  
  This reverts commit 11a04cbb221cc404fe00d65d7c951558ede4caa9.
  
  Revert "add Ghc.Data.Pair deriving"
  
  This reverts commit 15d9ce449e1be8c01b89fd39bdf1e700ea7d1dce.
  

• bc9ee1cf
  by Wen Kokke at 2026-04-22T13:00:51-04:00

  hadrian: Fix docs to remove static flavour
  
  In 638f6548, the static flavour was turned into into the fully_static
  flavour transformer. However, this commit did not update flavours.md.
  

• cc9cc6d5
  by Cheng Shao at 2026-04-23T09:40:46+00:00

  configure: bump LlvmMaxVersion to 23
  
  This patch bumps `LlvmMaxVersion` to 23 to support LLVM 22.x releases.
  

• 2ea7ef8e
  by Cheng Shao at 2026-04-23T09:46:26+00:00

  changelog: add llvm 22.x support
  

• 5574ee10
  by Cheng Shao at 2026-04-24T08:24:30-04:00

  compiler: avoid unused temporary `appendFS` operands
  
  This patch fixes unused temporary `appendFS` operands in the codebase
  that are retained in the `FastString` table after concatenation.
  Rewrite rules are added so that if an operand is
  `fsLit`/`mkFastString`, the `appendFS` application is rewritten to
  append the `ShortByteString` operands first. The patch also fixes
  `sconcat` behavior to align with `mconcat` for the same reason. Fixes #27205.
  

• 4ed78760
  by mangoiv at 2026-04-24T08:25:13-04:00

  contributing: adjust MR template to be less verbose
  
  - MR template only shows text that is relevant for submissiong
  - MR template was rewritten so it's readable from a user's and reviewer's
    perspective
  
  Resolves #27165
  
  Co-Authored-By: @sheaf
  

• 87db83e2
  by Cheng Shao at 2026-04-24T14:37:21-04:00

  ci: bump freebsd boot ghc to 9.10.3
  
  This commit bumps freebsd boot ghc to 9.10.3 to align with other
  platforms and prevent outdated boot libs in boot ghc to block the
  freebsd job.
  

• 17e3a0b7
  by Cheng Shao at 2026-04-24T14:37:21-04:00

  compiler: improve Binary instance of Array
  
  This patch improves the `Binary` instance of `Array`:
  
  - We no longer allocate intermediate lists. When serializing an
    `Array`, we iterate over the elements directly; when deserializing
    it, we allocate the result `Array` and fill it in a loop.
  - Now we only serialize the array bounds tuple; the length field is
    not needed.
  
  Closes #27109.
  

• 2d30f7d3
  by sheaf at 2026-04-24T14:38:23-04:00

  Vendor mini-QuickCheck for testsuite
  
  This commit extracts the vendored QuickCheck implementation from the
  foundation testsuite to make it more broadly available in the GHC
  testsuite, and makes use of it in the simd006 test (which also used
  a vendored QuickCheck implementation).
  
  On the way, we update the linear congruential generator to avoid the
  shortcoming of only generating 31 bit large numbers.
  
  Fixes #25990 and #25969.
  

• 1350271b
  by sheaf at 2026-04-27T09:32:53-04:00

  Ensure TcM plugins are only initialised once
  
  This commit ensures we keep TcM plugins (typechecker plugins,
  defaulting plugins and hole fit plugins) running all the way through
  desugaring, instead of stopping them at the end of typechecking.
  
  To do this, the "stop" actions of TcPlugin and DefaultingPlugin are
  split into two: one for the "post-typecheck" action, and one for the
  final shutdown action (after desugaring).
  
  This allows the plugins to be invoked by the pattern match checker
  (during desugaring) without having to be repeatedly re-initialised and
  stopped, fixing #26839.
  
  In the process, this commit modifies 'initTc' and 'initTcInteractive',
  adding an extra argument that describes whether to start/stop the 'TcM'
  plugins.
  
  See Note [Stop TcM plugins after desugaring] for an overview.
  

• 42549222
  by sheaf at 2026-04-27T09:33:50-04:00

  Hadrian: add --keep-response-files
  
  This commit adds a Hadrian flag that allows response files to be
  retained. This is useful for debugging a failing Hadrian command line.
  

• 40564e8d
  by sheaf at 2026-04-27T09:34:46-04:00

  hadrian/build-cabal.bat: fix build on Windows
  
  Commit 8cb99552f6 introduced a warning for a missing package index.
  However, the logic was faulty on Windows: the piping was broken, and
  "remote-repo-cache:" was being interpreted as a (malformed) drive letter,
  leading to the error:
  
    The filename, directory name, or volume label syntax is incorrect.
  
  This commit fixes that by using a temporary file instead of piping.
  

• 14bc71e4
  by Sven Tennie at 2026-04-28T13:22:47-04:00

  ghc: Distinguish between having an interpreter and having an internal one
  
  Actually, these are related but different things:
  
  - ghc can run an interpreter (either internal or external)
  - ghc is compiled with an internal interpreter
  
  Splitting the logic solves compiler warnings and expresses the intent
  better.
  

• df691563
  by Vladislav Zavialov at 2026-04-28T13:23:29-04:00

  Refactor HsWildCardTy to use HoleKind (#27111)
  
  The payload of this patch is that the extension fields of HsWildCardTy
  and HsHole now match:
  
  	type instance XWildCardTy Ghc{Ps,Rn} = HoleKind
  	type instance XHole       Ghc{Ps,Rn} = HoleKind
  
  This is progress towards unification of HsExpr and HsType.
  Test case: T25121_status
  
  In addition to that, exact-printing of infix holes is fixed.
  Test case: PprInfixHole
  

• f3485446
  by fendor at 2026-04-28T13:24:12-04:00

  Expose startupHpc as an rts symbol
  

• 28f07d70
  by fendor at 2026-04-28T13:24:12-04:00

  Make HPC work with bytecode interpreter
  
  Add support to generate .tix files from bytecode objects and the
  bytecode interpreter.
  
  Conceptually, we insert HPC ticks into the bytecode similar to how we insert
  breakpoints.
  HPC and breakpoints do not share the same tick array but we use a separate
  tick-array for hpc/breakpoint ticks during bytecode generation.
  
  We teach the bytecode interpreter to handle hpc ticks.
  The implementation is quite trivial, simply increment the counter in the
  global hpc_ticks array for the respective module.
  
  This hpc_ticks array is generated as part of the `CStub`, so we can rely
  on it existing.
  
  A tricky bit is "registering" a bytecode object for HPC instrumentation.
  In the compiled case, this is achieved via CStub and initializer/finalizers
  `.init` sections which are called when the executable is run.
  After the initializers have been invoked, which is before `hs_init_ghc`,
  we then call `startup_hpc` in `hs_init_ghc` iff any modules were "registered"
  for hpc instrumentation via `hs_hpc_module`.
  
  Since bytecode objects are loaded after starting up GHCi, this workflow
  doesn't work for supporting `hpc` and the `hpc` run-time is never
  started, even if a module is added for instrumentation.
  
  We fix this issue by employing the same technique as is for `SptEntry`s:
  
  * We introduce a new field to `CompiledByteCode`, called `ByteCodeHpcInfo`
    which contains enough information to call `hs_hpc_module`, allowing us to
    register the module for `hpc` instrumentation`.
  * After registering the module, we unconditionally call `startupHpc`, to make
    sure the .tix file is written.
  
  Calling `startupHpc` multiple times is safe.
  Calling `hs_hpc_module` multiple times for the same module is also safe.
  
  If we didn't register the hpc module in this way, evaluating a bytecode object
  instrumented with `-fhpc` without registering it in the `hpc` run-time will
  simply not generate any `.tix` files for this bytecode object.
  
  However, this shouldn't happen if everything is set up correctly.
  
  Closes #27036
  

• 950879f0
  by Vladislav Zavialov at 2026-04-28T13:24:55-04:00

  Move NamespaceSpecifier from x-fields into the AST proper (#26678)
  
  This refactoring moves NamespaceSpecifier out of extension fields and into the
  AST proper, as it is part of the user-written source, and is not pass-specific.
  
  Summary of changes:
  
  * Move NamespaceSpecifier from GHC/Hs/Basic.hs to Language/Haskell/Syntax/ImpExp.hs
    and parameterise it by the compiler pass, creating the necessary extension points
  * Move NamespaceSpecifier out of XFixitySig into FixitySig
  * Move NamespaceSpecifier out of XIEThingAll (IEThingAllExt) into IEThingAll
  * Move NamespaceSpecifier out of XIEWholeNamespace (IEWholeNamespaceExt) into IEWholeNamespace
  
  This is a pure refactoring with no change in behaviour.
  

• 9797052b
  by Simon Peyton Jones at 2026-04-28T13:25:37-04:00

  Fix assertion check in checkResultTy
  
  As #27210 shows, the assertion was a little bit too eager.
  
  I refactored a bit by moving some code from GHC.Tc.Gen.App
  to GHC.Tc.Utils.Unify; see the new function tcSubTypeApp,
  which replaces tcSubTypeDS
  

• 9f85f034
  by Duncan Coutts at 2026-04-30T04:52:42-04:00

  Make cmm 'import "package" name;' syntax use consistent label types
  
  There is a little-used syntactic form in cmm imports:
  
  import "package" foo;
  
  Which means to import foo from the given package (unit id, specified as
  a string). This syntax is somewhat reminiscent of GHC's package import
  extension.
  
  This syntax form is not used in the rts cmm code, nor any of the boot
  libraries. It may not be used at all. Unclear.
  
  Change the kind of CLabel this syntax generates to be consistent with
  the others. The other cmm imports use ForeignLabel with
  ForeignLabelInExternalPackage. For some reason this form was using
  CmmLabel. Change that to also be ForeignLabel but with
  ForeignLabelInPackage. This specifies a specific package, rather
  than an unnamed external package.
  

• a811f68f
  by Duncan Coutts at 2026-04-30T04:52:42-04:00

  Change default cmm import statements to be internal
  
  Previously a cmm statement like:
  
  import foo;
  
  meant to expect the symbol from a different shared library than the
  current one.
  
  Now it means to expect the symbol from the same shared library as the
  current one. We'll add explicit syntax to indicate that it's a foreign
  import. Most existing uses are in fact intenal (rts to rts), so few
  imports will need to be annotated foreign. Examples would include cmm
  code in libraries (other than the rts) that need to access RTS APIs.
  
  In practice, this makes no difference whatsoever at the moment on any
  platform other than windows (where building Haskell libs as shared libs
  does not fully work yet), since the 'labelDynamic' treats all such
  labels as foreign, irrespective of the foreign label source.
  

• 17fe5d1d
  by Duncan Coutts at 2026-04-30T04:52:42-04:00

  Add cmm import syntax 'import DATA foo;' as better name for CLOSURE
  
  The existing syntax is:
  
  import CLOSURE foo;
  
  The new syntax is
  
  import DATA foo;
  
  This means to interpret the symbol foo as refering to data (i.e. a
  global constant or variable) rather than to code (a function). The
  historical syntax for this uses CLOSURE, which is rather misleading.
  Presumably this was done to avoid introducing new reserved words.
  
  Be less squemish about new reserved words and add DATA and use that.
  Keep the existing CLOSURE syntax as an alias for compatibility.
  

• 3a530d68
  by Duncan Coutts at 2026-04-30T04:52:42-04:00

  Add cmm 'import extern name;' syntax
  
  Since the default for cmm imports is now for symbols within the same
  shared object, we need a way to indicate we want a symbol from an
  external shared object:
  
  import extern foo;      -- for a function
  import extern DATA foo; -- for data
  
  This adds a new reserved word 'extern'.
  
  We don't expect to have to use this much. Most cmm imports are
  intra-DSO.
  
  This makes no difference currently on ELF and MachO platforms, but does
  make a difference to the linking conventions on PE (Windows).
  
  In future it's plausible we could take make distinctions on ELF or
  MachO, so it's worth trying to get it right. Windows can be the guinea
  pig.
  

• 2b8e44c7
  by Duncan Coutts at 2026-04-30T04:52:42-04:00

  Add cmm syntax 'import "package" DATA foo;' for completeness
  
  We already have:
  
  import DATA foo;      -- for data imports
  import "package" foo; -- for imports from a given unitid
  
  There's no reason not to have both at once:
  
  import "package" DATA foo;
  
  So add that.
  

• ee05e5cc
  by Duncan Coutts at 2026-04-30T04:52:42-04:00

  Improve the commentary for the cmm import grammar.
  
  AFAIK, this is the only place where GHC-style Cmm syntax is documented.
  

• b35946ad
  by Duncan Coutts at 2026-04-30T04:52:42-04:00

  Add a changelog.d entry for the .cmm import syntax changes
  

• d59b7c71
  by Wolfgang Jeltsch at 2026-04-30T04:53:25-04:00

  Move code that uses `GHC.Internal.Text.Read` into `base`
  
  This contribution serves to remove all dependencies on
  `GHC.Internal.Text.Read` from within `ghc-internal`, so that the
  implementation of `Text.Read` and ultimately more reading-related code
  can be moved to `base` as well.
  
  The following things are moved from `ghc-internal` to `base`:
  
    * I/O-related `Read` instances
    * Most of the `Numeric` implementation
    * The instance `Read ByteOrder`
    * The `parseVersion` operation
    * The `readConstr` operation
  
  Metric Increase:
      LinkableUsage01
      T9198
      T12425
      T13035
      T13820
      T18140
  

• 5bd6a964
  by Rodrigo Mesquita at 2026-04-30T04:54:08-04:00

  New rts Message to {set,unset} TSO flags
  
  This commit introduces stg_MSG_SET_TSO_FLAG_info and
  stg_MSG_UNSET_TSO_FLAG_info, which allows setting flags of a TSO other
  than yourself.
  
  This is especially useful/necessary to set breakpoints and toggle
  breakpoints of different threads, which is needed to safely implement
  features like pausing, toggling step-out, toggling step-in per thread,
  etc.
  
  Fixes #27131
  
  -------------------------
  Metric Decrease:
      T3294
  -------------------------
  

• ce97fd3e
  by Rodrigo Mesquita at 2026-04-30T04:54:08-04:00

  test: Add test setting another TSO's flags
  
  Introduces a test that runs on two capabilities. The main thread running
  on Capability 0 sets the flags on a TSO running on Capability 1.
  The TSO from Capability 1 itself checks whether its flags were set and
  reports that back.
  
  This validates that the RTS messages for setting TSO flags work, even if
  it doesn't test a harsher scenario with race conditions to exercise why
  the message passing is necessary for safely setting another TSO's flags.
  
  Part of #27131
  

• a4ff6315
  by David Eichmann at 2026-04-30T04:54:51-04:00

  Hadrian: withResponseFile outputs response file when verbodity is Verbose
  
  At the Verbose verbosity, shake will display full commandlines. With the
  use of response files, the full command is hidden. That makes it hard to run
  the command manually. This commit outputs the contents of the response
  file so that that full command can be recreated and also hints at the
  use of the --keep-response-files hadrian flag.
  

• cd732ee3
  by Duncan Coutts at 2026-04-30T04:54:51-04:00

  Use response files for hadrian linking with ghc (support long command lines)
  
  In future support for windows dynamic linking, we expect long command
  lines for linking dll files with ghc. Experiments with dynamic linking the
  ghc-internal library yielded a link command well over 32kb. We did not
  encounter this before for static libs, since we already use ar's @file
  feature (if available, which it is for the llvm toolchain).
  
  Co-authored-by: David Eichmann <davide@well-typed.com>
  

• 3d41368f
  by Andreas Klebinger at 2026-04-30T04:55:32-04:00

  Split GHC.Driver.Main.hs up into multiple components.
  
  This commit splits GHC.Driver.Main into four components:
  
  * GHC.Driver.Main.Compile
  * GHC.Driver.Main.Hsc
  * GHC.Driver.Main.Interactive
  * GHC.Driver.Main.Passes
  
  We might improve that separation further in the future but this should
  hopefully make it easier to reason about and work with this part of the
  code.
  

• 2128ba85
  by Cheng Shao at 2026-04-30T04:56:14-04:00

  compiler: avoid unique OccNames for internal Names in bytecode objects
  
  This patch improves bytecode object serialization logic by avoiding
  the construction of unique `OccName`s when serializing/deserializing
  internal `Name`s. Closes #27213.
  
  -------------------------
  Metric Decrease:
      LinkableUsage01
  -------------------------
  

• e16854c3
  by Vladislav Zavialov at 2026-04-30T04:56:57-04:00

  Replace GHC 9.16 references with GHC 10.0
  

• 6ded65e5
  by Teo Camarasu at 2026-05-01T19:25:02+01:00

  wip
  

7414 changed files:

• .ghcid
• + .git-blame-ignore-revs
• .gitattributes
• .gitignore
• .gitlab-ci.yml
• + .gitlab/README.md
• .gitlab/ci.sh
• .gitlab/common.sh
• .gitlab/darwin/nix/sources.json
• .gitlab/darwin/toolchain.nix
• + .gitlab/generate-ci/cabal.project
• .gitlab/generate-ci/flake.lock
• .gitlab/generate-ci/gen_ci.hs
• .gitlab/hello.hs
• .gitlab/issue_templates/default.md
• + .gitlab/issue_templates/get-verified.md
• + .gitlab/issue_templates/release_tracking.md
• .gitlab/jobs.yaml
• .gitlab/merge_request_templates/Default.md
• + .gitlab/merge_request_templates/Haddock.md
• .gitlab/rel_eng/fetch-gitlab-artifacts/fetch_gitlab.py
• .gitlab/rel_eng/mk-ghcup-metadata/mk_ghcup_metadata.py
• .gitlab/rel_eng/recompress-all
• .gitlab/rel_eng/upload.sh
• .gitlab/rel_eng/upload_ghc_libs.py
• .gitlab/test-metrics.sh
• .gitmodules
• .mailmap
• CODEOWNERS
• README.md
• boot
• cabal.project-reinstall
• + changelog.d/T15973
• + changelog.d/T19174.md
• + changelog.d/T25636
• + changelog.d/T27121.md
• + changelog.d/T27124.md
• + changelog.d/T27131
• + changelog.d/binary-array-no-list
• + changelog.d/bytecode-interpreter-hpc-support
• + changelog.d/changelog-entries
• + changelog.d/cmm-import-syntax-changes
• + changelog.d/config
• + changelog.d/fix-duplicate-pmc-warnings
• + changelog.d/fix-finalizers-27072
• + changelog.d/fix-ghci-duplicate-warnings-26233
• + changelog.d/ghc-api-holes-ast-27111
• + changelog.d/ghc-api-namespace-specifier-26678
• + changelog.d/ghc-pkg-long-path-support
• + changelog.d/hadrian-response-files.md
• + changelog.d/hadrian-warn-missing-package-index-16484
• + changelog.d/llvm-22
• + changelog.d/simd_constant_folding
• + changelog.d/skip-test
• + changelog.d/tcplugin_init.md
• + changelog.d/tcplugins-pmc.md
• + changelog.d/typecheckModule-API.md
• + changelog.d/withTcPlugins.md
• compile_flags.txt
• compiler/CodeGen.Platform.h
• compiler/GHC.hs
• compiler/GHC/Builtin/Names.hs
• compiler/GHC/Builtin/Names/TH.hs
• compiler/GHC/Builtin/PrimOps.hs
• compiler/GHC/Builtin/PrimOps/Ids.hs
• compiler/GHC/Builtin/Types.hs
• compiler/GHC/Builtin/Types/Literals.hs
• compiler/GHC/Builtin/Types/Prim.hs
• compiler/GHC/Builtin/Uniques.hs
• compiler/GHC/Builtin/Utils.hs
• compiler/GHC/Builtin/primops.txt.pp
• compiler/GHC/ByteCode/Asm.hs
• + compiler/GHC/ByteCode/Binary.hs
• + compiler/GHC/ByteCode/Breakpoints.hs
• compiler/GHC/ByteCode/InfoTable.hs
• compiler/GHC/ByteCode/Instr.hs
• compiler/GHC/ByteCode/Linker.hs
• + compiler/GHC/ByteCode/Recomp/Binary.hs
• + compiler/GHC/ByteCode/Serialize.hs
• compiler/GHC/ByteCode/Types.hs
• compiler/GHC/Cmm.hs
• compiler/GHC/Cmm/BlockId.hs
• compiler/GHC/Cmm/CLabel.hs
• compiler/GHC/Cmm/CallConv.hs
• compiler/GHC/Cmm/CommonBlockElim.hs
• compiler/GHC/Cmm/Config.hs
• compiler/GHC/Cmm/ContFlowOpt.hs
• compiler/GHC/Cmm/Dataflow.hs
• compiler/GHC/Cmm/Dataflow/Block.hs
• compiler/GHC/Cmm/Dataflow/Graph.hs
• compiler/GHC/Cmm/Dataflow/Label.hs
• compiler/GHC/Cmm/DebugBlock.hs
• compiler/GHC/Cmm/Dominators.hs
• compiler/GHC/Cmm/Expr.hs
• compiler/GHC/Cmm/GenericOpt.hs
• compiler/GHC/Cmm/Graph.hs
• compiler/GHC/Cmm/Info.hs
• compiler/GHC/Cmm/Info/Build.hs
• compiler/GHC/Cmm/InitFini.hs
• compiler/GHC/Cmm/LRegSet.hs
• compiler/GHC/Cmm/LayoutStack.hs
• compiler/GHC/Cmm/Lexer.x
• compiler/GHC/Cmm/Lint.hs
• compiler/GHC/Cmm/Liveness.hs
• compiler/GHC/Cmm/MachOp.hs
• compiler/GHC/Cmm/Node.hs
• compiler/GHC/Cmm/Opt.hs
• compiler/GHC/Cmm/Parser.y
• compiler/GHC/Cmm/Pipeline.hs
• compiler/GHC/Cmm/ProcPoint.hs
• compiler/GHC/Cmm/Reducibility.hs
• compiler/GHC/Cmm/Reg.hs
• compiler/GHC/Cmm/Sink.hs
• compiler/GHC/Cmm/Switch.hs
• compiler/GHC/Cmm/Switch/Implement.hs
• compiler/GHC/Cmm/ThreadSanitizer.hs
• compiler/GHC/Cmm/Type.hs
• + compiler/GHC/Cmm/UniqueRenamer.hs
• compiler/GHC/Cmm/Utils.hs
• compiler/GHC/CmmToAsm.hs
• compiler/GHC/CmmToAsm/AArch64.hs
• compiler/GHC/CmmToAsm/AArch64/CodeGen.hs
• compiler/GHC/CmmToAsm/AArch64/Instr.hs
• compiler/GHC/CmmToAsm/AArch64/Ppr.hs
• compiler/GHC/CmmToAsm/AArch64/RegInfo.hs
• compiler/GHC/CmmToAsm/AArch64/Regs.hs
• compiler/GHC/CmmToAsm/BlockLayout.hs
• compiler/GHC/CmmToAsm/CFG.hs
• compiler/GHC/CmmToAsm/CPrim.hs
• compiler/GHC/CmmToAsm/Config.hs
• compiler/GHC/CmmToAsm/Dwarf.hs
• compiler/GHC/CmmToAsm/Dwarf/Constants.hs
• compiler/GHC/CmmToAsm/Dwarf/Types.hs
• compiler/GHC/CmmToAsm/Format.hs
• compiler/GHC/CmmToAsm/Instr.hs
• + compiler/GHC/CmmToAsm/LA64.hs
• + compiler/GHC/CmmToAsm/LA64/CodeGen.hs
• + compiler/GHC/CmmToAsm/LA64/Cond.hs
• + compiler/GHC/CmmToAsm/LA64/Instr.hs
• + compiler/GHC/CmmToAsm/LA64/Ppr.hs
• + compiler/GHC/CmmToAsm/LA64/RegInfo.hs
• + compiler/GHC/CmmToAsm/LA64/Regs.hs
• compiler/GHC/CmmToAsm/Monad.hs
• compiler/GHC/CmmToAsm/PIC.hs
• compiler/GHC/CmmToAsm/PPC.hs
• compiler/GHC/CmmToAsm/PPC/CodeGen.hs
• compiler/GHC/CmmToAsm/PPC/Instr.hs
• compiler/GHC/CmmToAsm/PPC/Ppr.hs
• compiler/GHC/CmmToAsm/PPC/RegInfo.hs
• compiler/GHC/CmmToAsm/PPC/Regs.hs
• compiler/GHC/CmmToAsm/Ppr.hs
• + compiler/GHC/CmmToAsm/RV64.hs
• + compiler/GHC/CmmToAsm/RV64/CodeGen.hs
• + compiler/GHC/CmmToAsm/RV64/Cond.hs
• + compiler/GHC/CmmToAsm/RV64/Instr.hs
• + compiler/GHC/CmmToAsm/RV64/Ppr.hs
• + compiler/GHC/CmmToAsm/RV64/RegInfo.hs
• + compiler/GHC/CmmToAsm/RV64/Regs.hs
• compiler/GHC/CmmToAsm/Reg/Graph.hs
• compiler/GHC/CmmToAsm/Reg/Graph/Base.hs
• compiler/GHC/CmmToAsm/Reg/Graph/Coalesce.hs
• compiler/GHC/CmmToAsm/Reg/Graph/Spill.hs
• compiler/GHC/CmmToAsm/Reg/Graph/SpillClean.hs
• compiler/GHC/CmmToAsm/Reg/Graph/SpillCost.hs
• compiler/GHC/CmmToAsm/Reg/Graph/Stats.hs
• compiler/GHC/CmmToAsm/Reg/Graph/TrivColorable.hs
• compiler/GHC/CmmToAsm/Reg/Linear.hs
• compiler/GHC/CmmToAsm/Reg/Linear/AArch64.hs
• compiler/GHC/CmmToAsm/Reg/Linear/Base.hs
• compiler/GHC/CmmToAsm/Reg/Linear/FreeRegs.hs
• compiler/GHC/CmmToAsm/Reg/Linear/JoinToTargets.hs
• + compiler/GHC/CmmToAsm/Reg/Linear/LA64.hs
• compiler/GHC/CmmToAsm/Reg/Linear/PPC.hs
• + compiler/GHC/CmmToAsm/Reg/Linear/RV64.hs
• compiler/GHC/CmmToAsm/Reg/Linear/StackMap.hs
• compiler/GHC/CmmToAsm/Reg/Linear/State.hs
• compiler/GHC/CmmToAsm/Reg/Linear/Stats.hs
• compiler/GHC/CmmToAsm/Reg/Linear/X86.hs
• compiler/GHC/CmmToAsm/Reg/Linear/X86_64.hs
• compiler/GHC/CmmToAsm/Reg/Liveness.hs
• + compiler/GHC/CmmToAsm/Reg/Regs.hs
• compiler/GHC/CmmToAsm/Reg/Target.hs
• compiler/GHC/CmmToAsm/Wasm.hs
• compiler/GHC/CmmToAsm/Wasm/Asm.hs
• compiler/GHC/CmmToAsm/Wasm/FromCmm.hs
• compiler/GHC/CmmToAsm/Wasm/Types.hs
• compiler/GHC/CmmToAsm/X86.hs
• compiler/GHC/CmmToAsm/X86/CodeGen.hs
• compiler/GHC/CmmToAsm/X86/Instr.hs
• compiler/GHC/CmmToAsm/X86/Ppr.hs
• compiler/GHC/CmmToAsm/X86/RegInfo.hs
• compiler/GHC/CmmToAsm/X86/Regs.hs
• compiler/GHC/CmmToC.hs
• compiler/GHC/CmmToLlvm.hs
• compiler/GHC/CmmToLlvm/Base.hs
• compiler/GHC/CmmToLlvm/CodeGen.hs
• compiler/GHC/CmmToLlvm/Config.hs
• compiler/GHC/CmmToLlvm/Data.hs
• compiler/GHC/CmmToLlvm/Mangler.hs
• compiler/GHC/CmmToLlvm/Regs.hs
• compiler/GHC/Core.hs
• compiler/GHC/Core/Class.hs
• compiler/GHC/Core/Coercion.hs
• compiler/GHC/Core/Coercion.hs-boot
• compiler/GHC/Core/Coercion/Axiom.hs
• compiler/GHC/Core/Coercion/Opt.hs
• compiler/GHC/Core/ConLike.hs
• compiler/GHC/Core/DataCon.hs
• compiler/GHC/Core/DataCon.hs-boot
• compiler/GHC/Core/FVs.hs
• compiler/GHC/Core/FamInstEnv.hs
• compiler/GHC/Core/InstEnv.hs
• compiler/GHC/Core/LateCC.hs
• compiler/GHC/Core/LateCC/OverloadedCalls.hs
• compiler/GHC/Core/LateCC/TopLevelBinds.hs
• compiler/GHC/Core/LateCC/Types.hs
• compiler/GHC/Core/Lint.hs
• compiler/GHC/Core/Lint/Interactive.hs
• + compiler/GHC/Core/Lint/SubstTypeLets.hs
• compiler/GHC/Core/Make.hs
• compiler/GHC/Core/Map/Expr.hs
• compiler/GHC/Core/Map/Type.hs
• compiler/GHC/Core/Multiplicity.hs
• compiler/GHC/Core/Opt/Arity.hs
• compiler/GHC/Core/Opt/CSE.hs
• compiler/GHC/Core/Opt/CallArity.hs
• compiler/GHC/Core/Opt/CallerCC.hs
• compiler/GHC/Core/Opt/CallerCC/Types.hs
• compiler/GHC/Core/Opt/ConstantFold.hs
• compiler/GHC/Core/Opt/CprAnal.hs
• compiler/GHC/Core/Opt/DmdAnal.hs
• compiler/GHC/Core/Opt/FloatIn.hs
• compiler/GHC/Core/Opt/FloatOut.hs
• compiler/GHC/Core/Opt/Monad.hs
• compiler/GHC/Core/Opt/OccurAnal.hs
• compiler/GHC/Core/Opt/Pipeline.hs
• compiler/GHC/Core/Opt/Pipeline/Types.hs
• + compiler/GHC/Core/Opt/Range.hs
• compiler/GHC/Core/Opt/SetLevels.hs
• compiler/GHC/Core/Opt/Simplify.hs
• compiler/GHC/Core/Opt/Simplify/Env.hs
• compiler/GHC/Core/Opt/Simplify/Inline.hs
• compiler/GHC/Core/Opt/Simplify/Iteration.hs
• compiler/GHC/Core/Opt/Simplify/Monad.hs
• compiler/GHC/Core/Opt/Simplify/Utils.hs
• compiler/GHC/Core/Opt/SpecConstr.hs
• compiler/GHC/Core/Opt/Specialise.hs
• compiler/GHC/Core/Opt/StaticArgs.hs
• compiler/GHC/Core/Opt/WorkWrap.hs
• compiler/GHC/Core/Opt/WorkWrap/Utils.hs
• compiler/GHC/Core/PatSyn.hs
• compiler/GHC/Core/Ppr.hs
• compiler/GHC/Core/Predicate.hs
• compiler/GHC/Core/Reduction.hs
• compiler/GHC/Core/RoughMap.hs
• compiler/GHC/Core/Rules.hs
• compiler/GHC/Core/Rules/Config.hs
• compiler/GHC/Core/SimpleOpt.hs
• compiler/GHC/Core/Subst.hs
• compiler/GHC/Core/Tidy.hs
• compiler/GHC/Core/TyCo/Compare.hs
• compiler/GHC/Core/TyCo/FVs.hs
• compiler/GHC/Core/TyCo/Ppr.hs
• compiler/GHC/Core/TyCo/Rep.hs
• compiler/GHC/Core/TyCo/Rep.hs-boot
• compiler/GHC/Core/TyCo/Subst.hs
• compiler/GHC/Core/TyCo/Tidy.hs
• compiler/GHC/Core/TyCon.hs
• compiler/GHC/Core/TyCon.hs-boot
• compiler/GHC/Core/TyCon/Env.hs
• compiler/GHC/Core/TyCon/RecWalk.hs
• compiler/GHC/Core/Type.hs
• compiler/GHC/Core/Type.hs-boot
• compiler/GHC/Core/Unfold.hs
• compiler/GHC/Core/Unfold/Make.hs
• compiler/GHC/Core/Unify.hs
• compiler/GHC/Core/UsageEnv.hs
• compiler/GHC/Core/Utils.hs
• compiler/GHC/CoreToIface.hs
• compiler/GHC/CoreToStg.hs
• + compiler/GHC/CoreToStg/AddImplicitBinds.hs
• compiler/GHC/CoreToStg/Prep.hs
• compiler/GHC/Data/Bag.hs
• compiler/GHC/Data/BooleanFormula.hs
• compiler/GHC/Data/FastString.hs
• compiler/GHC/Data/FastString/Env.hs
• compiler/GHC/Data/FlatBag.hs
• compiler/GHC/Data/Graph/Collapse.hs
• compiler/GHC/Data/Graph/Color.hs
• compiler/GHC/Data/Graph/Directed.hs
• + compiler/GHC/Data/Graph/Directed/Internal.hs
• + compiler/GHC/Data/Graph/Directed/Reachability.hs
• compiler/GHC/Data/Graph/Inductive/Graph.hs
• compiler/GHC/Data/IOEnv.hs
• + compiler/GHC/Data/List.hs
• compiler/GHC/Data/List/Infinite.hs
• + compiler/GHC/Data/List/NonEmpty.hs
• compiler/GHC/Data/Maybe.hs
• + compiler/GHC/Data/OsPath.hs
• compiler/GHC/Data/Pair.hs
• compiler/GHC/Data/Stream.hs
• compiler/GHC/Data/Strict.hs
• compiler/GHC/Data/StringBuffer.hs
• compiler/GHC/Data/TrieMap.hs
• compiler/GHC/Data/Unboxed.hs
• compiler/GHC/Data/Word64Map.hs
• compiler/GHC/Data/Word64Map/Internal.hs
• compiler/GHC/Data/Word64Map/Lazy.hs
• compiler/GHC/Data/Word64Map/Strict.hs
• compiler/GHC/Data/Word64Map/Strict/Internal.hs
• compiler/GHC/Data/Word64Set.hs
• compiler/GHC/Data/Word64Set/Internal.hs
• compiler/GHC/Driver/Backend.hs
• compiler/GHC/Driver/Backend/Internal.hs
• compiler/GHC/Driver/Backpack.hs
• + compiler/GHC/Driver/ByteCode.hs
• compiler/GHC/Driver/CmdLine.hs
• compiler/GHC/Driver/CodeOutput.hs
• compiler/GHC/Driver/Config.hs
• compiler/GHC/Driver/Config/Cmm.hs
• compiler/GHC/Driver/Config/CmmToAsm.hs
• compiler/GHC/Driver/Config/CmmToLlvm.hs
• compiler/GHC/Driver/Config/Core/Lint.hs
• compiler/GHC/Driver/Config/Core/Lint/Interactive.hs
• compiler/GHC/Driver/Config/Core/Opt/Simplify.hs
• compiler/GHC/Driver/Config/Core/Rules.hs
• compiler/GHC/Driver/Config/CoreToStg/Prep.hs
• compiler/GHC/Driver/Config/Finder.hs
• + compiler/GHC/Driver/Config/Interpreter.hs
• compiler/GHC/Driver/Config/Linker.hs
• compiler/GHC/Driver/Config/Parser.hs
• compiler/GHC/Driver/Config/Stg/Debug.hs
• compiler/GHC/Driver/Config/Stg/Pipeline.hs
• compiler/GHC/Driver/Config/StgToCmm.hs
• compiler/GHC/Driver/Config/Tidy.hs
• + compiler/GHC/Driver/Downsweep.hs
• compiler/GHC/Driver/DynFlags.hs
• compiler/GHC/Driver/Env.hs
• compiler/GHC/Driver/Env/KnotVars.hs
• compiler/GHC/Driver/Env/Types.hs
• compiler/GHC/Driver/Errors.hs
• compiler/GHC/Driver/Errors/Ppr.hs
• compiler/GHC/Driver/Errors/Types.hs
• compiler/GHC/Driver/Flags.hs
• compiler/GHC/Driver/GenerateCgIPEStub.hs
• compiler/GHC/Driver/Hooks.hs
• + compiler/GHC/Driver/IncludeSpecs.hs
• compiler/GHC/Driver/LlvmConfigCache.hs
• compiler/GHC/Driver/Main.hs
• + compiler/GHC/Driver/Main/Compile.hs
• + compiler/GHC/Driver/Main/Compile.hs-boot
• + compiler/GHC/Driver/Main/Hsc.hs
• + compiler/GHC/Driver/Main/Interactive.hs
• + compiler/GHC/Driver/Main/Passes.hs
• + compiler/GHC/Driver/Main/Passes.hs-boot
• compiler/GHC/Driver/Make.hs
• + compiler/GHC/Driver/MakeAction.hs
• compiler/GHC/Driver/MakeFile.hs
• compiler/GHC/Driver/MakeSem.hs
• + compiler/GHC/Driver/Messager.hs
• compiler/GHC/Driver/Monad.hs
• compiler/GHC/Driver/Phases.hs
• compiler/GHC/Driver/Pipeline.hs
• compiler/GHC/Driver/Pipeline.hs-boot
• compiler/GHC/Driver/Pipeline/Execute.hs
• compiler/GHC/Driver/Pipeline/LogQueue.hs
• compiler/GHC/Driver/Pipeline/Monad.hs
• compiler/GHC/Driver/Pipeline/Phases.hs
• compiler/GHC/Driver/Plugins.hs
• compiler/GHC/Driver/Ppr.hs
• compiler/GHC/Driver/Session.hs
• + compiler/GHC/Driver/Session/Inspect.hs
• + compiler/GHC/Driver/Session/Units.hs
• compiler/GHC/Hs.hs
• + compiler/GHC/Hs/Basic.hs
• compiler/GHC/Hs/Binds.hs
• compiler/GHC/Hs/Decls.hs
• + compiler/GHC/Hs/Decls/Overlap.hs
• compiler/GHC/Hs/Doc.hs
• + compiler/GHC/Hs/Doc.hs-boot
• compiler/GHC/Hs/DocString.hs
• compiler/GHC/Hs/Dump.hs
• compiler/GHC/Hs/Expr.hs
• compiler/GHC/Hs/Expr.hs-boot
• compiler/GHC/Hs/Extension.hs
• compiler/GHC/Hs/ImpExp.hs
• compiler/GHC/Hs/Instances.hs
• compiler/GHC/Hs/Lit.hs
• compiler/GHC/Hs/Pat.hs
• compiler/GHC/Hs/Pat.hs-boot
• + compiler/GHC/Hs/Specificity.hs
• compiler/GHC/Hs/Stats.hs
• compiler/GHC/Hs/Syn/Type.hs
• compiler/GHC/Hs/Type.hs
• compiler/GHC/Hs/Utils.hs
• compiler/GHC/HsToCore.hs
• compiler/GHC/HsToCore/Arrows.hs
• compiler/GHC/HsToCore/Binds.hs
• compiler/GHC/HsToCore/Breakpoints.hs
• compiler/GHC/HsToCore/Coverage.hs
• compiler/GHC/HsToCore/Docs.hs
• compiler/GHC/HsToCore/Errors/Ppr.hs
• compiler/GHC/HsToCore/Errors/Types.hs
• compiler/GHC/HsToCore/Expr.hs
• compiler/GHC/HsToCore/Foreign/C.hs
• compiler/GHC/HsToCore/Foreign/Call.hs
• compiler/GHC/HsToCore/Foreign/Decl.hs
• compiler/GHC/HsToCore/Foreign/JavaScript.hs
• compiler/GHC/HsToCore/Foreign/Utils.hs
• compiler/GHC/HsToCore/Foreign/Wasm.hs
• compiler/GHC/HsToCore/GuardedRHSs.hs
• compiler/GHC/HsToCore/ListComp.hs
• compiler/GHC/HsToCore/Match.hs
• compiler/GHC/HsToCore/Match/Constructor.hs
• compiler/GHC/HsToCore/Match/Literal.hs
• compiler/GHC/HsToCore/Monad.hs
• compiler/GHC/HsToCore/Pmc.hs
• compiler/GHC/HsToCore/Pmc/Check.hs
• compiler/GHC/HsToCore/Pmc/Desugar.hs
• compiler/GHC/HsToCore/Pmc/Ppr.hs
• compiler/GHC/HsToCore/Pmc/Solver.hs
• compiler/GHC/HsToCore/Pmc/Solver/Types.hs
• compiler/GHC/HsToCore/Pmc/Types.hs
• compiler/GHC/HsToCore/Pmc/Utils.hs
• compiler/GHC/HsToCore/Quote.hs
• compiler/GHC/HsToCore/Ticks.hs
• compiler/GHC/HsToCore/Types.hs
• compiler/GHC/HsToCore/Usage.hs
• compiler/GHC/HsToCore/Utils.hs
• compiler/GHC/Iface/Binary.hs
• compiler/GHC/Iface/Decl.hs
• compiler/GHC/Iface/Env.hs
• compiler/GHC/Iface/Errors.hs
• compiler/GHC/Iface/Errors/Ppr.hs
• compiler/GHC/Iface/Errors/Types.hs
• compiler/GHC/Iface/Ext/Ast.hs
• compiler/GHC/Iface/Ext/Binary.hs
• compiler/GHC/Iface/Ext/Debug.hs
• compiler/GHC/Iface/Ext/Fields.hs
• compiler/GHC/Iface/Ext/Types.hs
• compiler/GHC/Iface/Ext/Utils.hs
• + compiler/GHC/Iface/Flags.hs
• compiler/GHC/Iface/Load.hs
• compiler/GHC/Iface/Make.hs
• compiler/GHC/Iface/Recomp.hs
• compiler/GHC/Iface/Recomp/Binary.hs
• compiler/GHC/Iface/Recomp/Flags.hs
• + compiler/GHC/Iface/Recomp/Types.hs
• compiler/GHC/Iface/Rename.hs
• compiler/GHC/Iface/Syntax.hs
• compiler/GHC/Iface/Tidy.hs
• compiler/GHC/Iface/Tidy/StaticPtrTable.hs
• compiler/GHC/Iface/Type.hs
• + compiler/GHC/Iface/Warnings.hs
• compiler/GHC/IfaceToCore.hs
• compiler/GHC/IfaceToCore.hs-boot
• compiler/GHC/JS/Ident.hs
• compiler/GHC/JS/JStg/Monad.hs
• compiler/GHC/JS/JStg/Syntax.hs
• compiler/GHC/JS/Make.hs
• compiler/GHC/JS/Opt/Expr.hs
• compiler/GHC/JS/Opt/Simple.hs
• compiler/GHC/JS/Optimizer.hs
• compiler/GHC/JS/Ppr.hs
• compiler/GHC/JS/Syntax.hs
• compiler/GHC/JS/Transform.hs
• + compiler/GHC/Linker/ByteCode.hs
• compiler/GHC/Linker/Config.hs
• compiler/GHC/Linker/Deps.hs
• compiler/GHC/Linker/Dynamic.hs
• + compiler/GHC/Linker/Executable.hs
• − compiler/GHC/Linker/ExtraObj.hs
• compiler/GHC/Linker/Loader.hs
• compiler/GHC/Linker/MacOS.hs
• compiler/GHC/Linker/Static.hs
• compiler/GHC/Linker/Types.hs
• compiler/GHC/Linker/Unit.hs
• compiler/GHC/Linker/Windows.hs
• compiler/GHC/Llvm/MetaData.hs
• compiler/GHC/Llvm/Ppr.hs
• compiler/GHC/Llvm/Syntax.hs
• compiler/GHC/Llvm/Types.hs
• compiler/GHC/Parser.y
• compiler/GHC/Parser/Annotation.hs
• compiler/GHC/Parser/CharClass.hs
• compiler/GHC/Parser/Errors/Basic.hs
• compiler/GHC/Parser/Errors/Ppr.hs
• compiler/GHC/Parser/Errors/Types.hs
• compiler/GHC/Parser/HaddockLex.x
• compiler/GHC/Parser/Header.hs
• compiler/GHC/Parser/Lexer.x
• + compiler/GHC/Parser/Lexer/Interface.hs
• + compiler/GHC/Parser/Lexer/String.x
• compiler/GHC/Parser/PostProcess.hs
• compiler/GHC/Parser/PostProcess/Haddock.hs
• + compiler/GHC/Parser/String.hs
• compiler/GHC/Parser/Types.hs
• compiler/GHC/Platform.hs
• compiler/GHC/Platform/LoongArch64.hs → compiler/GHC/Platform/LA64.hs
• compiler/GHC/Platform/Reg.hs
• compiler/GHC/Platform/Reg/Class.hs
• + compiler/GHC/Platform/Reg/Class/NoVectors.hs
• + compiler/GHC/Platform/Reg/Class/Separate.hs
• + compiler/GHC/Platform/Reg/Class/Unified.hs
• compiler/GHC/Platform/Regs.hs
• + compiler/GHC/Platform/Tag.hs
• compiler/GHC/Platform/Ways.hs
• compiler/GHC/Plugins.hs
• compiler/GHC/Prelude/Basic.hs
• compiler/GHC/Rename/Bind.hs
• compiler/GHC/Rename/Env.hs
• compiler/GHC/Rename/Expr.hs
• compiler/GHC/Rename/Expr.hs-boot
• compiler/GHC/Rename/Fixity.hs
• compiler/GHC/Rename/HsType.hs
• + compiler/GHC/Rename/Lit.hs
• compiler/GHC/Rename/Module.hs
• compiler/GHC/Rename/Names.hs
• compiler/GHC/Rename/Pat.hs
• compiler/GHC/Rename/Splice.hs
• compiler/GHC/Rename/Splice.hs-boot
• compiler/GHC/Rename/Unbound.hs
• compiler/GHC/Rename/Utils.hs
• compiler/GHC/Runtime/Context.hs
• compiler/GHC/Runtime/Debugger.hs
• + compiler/GHC/Runtime/Debugger/Breakpoints.hs
• compiler/GHC/Runtime/Eval.hs
• compiler/GHC/Runtime/Eval/Types.hs
• + compiler/GHC/Runtime/Eval/Utils.hs
• compiler/GHC/Runtime/Heap/Inspect.hs
• compiler/GHC/Runtime/Heap/Layout.hs
• compiler/GHC/Runtime/Interpreter.hs
• + compiler/GHC/Runtime/Interpreter/C.hs
• + compiler/GHC/Runtime/Interpreter/Init.hs
• compiler/GHC/Runtime/Interpreter/JS.hs
• compiler/GHC/Runtime/Interpreter/Process.hs
• compiler/GHC/Runtime/Interpreter/Types.hs
• + compiler/GHC/Runtime/Interpreter/Types/SymbolCache.hs
• + compiler/GHC/Runtime/Interpreter/Wasm.hs
• compiler/GHC/Runtime/Loader.hs
• compiler/GHC/Settings.hs
• compiler/GHC/Settings/IO.hs
• compiler/GHC/Stg/BcPrep.hs
• compiler/GHC/Stg/CSE.hs
• compiler/GHC/Stg/Debug.hs
• + compiler/GHC/Stg/Debug/Types.hs
• compiler/GHC/Stg/InferTags.hs → compiler/GHC/Stg/EnforceEpt.hs
• compiler/GHC/Stg/InferTags/Rewrite.hs → compiler/GHC/Stg/EnforceEpt/Rewrite.hs
• compiler/GHC/Stg/InferTags/TagSig.hs → compiler/GHC/Stg/EnforceEpt/TagSig.hs
• compiler/GHC/Stg/InferTags/Types.hs → compiler/GHC/Stg/EnforceEpt/Types.hs
• compiler/GHC/Stg/FVs.hs
• compiler/GHC/Stg/Lift/Analysis.hs
• compiler/GHC/Stg/Lift/Monad.hs
• compiler/GHC/Stg/Lift/Types.hs
• compiler/GHC/Stg/Lint.hs
• + compiler/GHC/Stg/Make.hs
• compiler/GHC/Stg/Pipeline.hs
• compiler/GHC/Stg/Stats.hs
• compiler/GHC/Stg/Subst.hs
• compiler/GHC/Stg/Syntax.hs
• compiler/GHC/Stg/Unarise.hs
• compiler/GHC/Stg/Utils.hs
• compiler/GHC/StgToByteCode.hs
• compiler/GHC/StgToCmm.hs
• compiler/GHC/StgToCmm/ArgRep.hs
• compiler/GHC/StgToCmm/Bind.hs
• compiler/GHC/StgToCmm/CgUtils.hs
• compiler/GHC/StgToCmm/Closure.hs
• compiler/GHC/StgToCmm/Config.hs
• compiler/GHC/StgToCmm/DataCon.hs
• compiler/GHC/StgToCmm/Env.hs
• compiler/GHC/StgToCmm/Expr.hs
• compiler/GHC/StgToCmm/ExtCode.hs
• compiler/GHC/StgToCmm/Foreign.hs
• compiler/GHC/StgToCmm/Heap.hs
• compiler/GHC/StgToCmm/Hpc.hs
• compiler/GHC/StgToCmm/InfoTableProv.hs
• compiler/GHC/StgToCmm/Layout.hs
• compiler/GHC/StgToCmm/Lit.hs
• compiler/GHC/StgToCmm/Monad.hs
• compiler/GHC/StgToCmm/Prim.hs
• compiler/GHC/StgToCmm/Prof.hs
• compiler/GHC/StgToCmm/TagCheck.hs
• compiler/GHC/StgToCmm/Ticky.hs
• compiler/GHC/StgToCmm/Types.hs
• compiler/GHC/StgToCmm/Utils.hs
• compiler/GHC/StgToJS.hs
• compiler/GHC/StgToJS/Apply.hs
• compiler/GHC/StgToJS/Arg.hs
• compiler/GHC/StgToJS/Closure.hs
• compiler/GHC/StgToJS/CodeGen.hs
• compiler/GHC/StgToJS/DataCon.hs
• compiler/GHC/StgToJS/Deps.hs
• compiler/GHC/StgToJS/Expr.hs
• compiler/GHC/StgToJS/ExprCtx.hs
• compiler/GHC/StgToJS/FFI.hs
• compiler/GHC/StgToJS/Heap.hs
• compiler/GHC/StgToJS/Ids.hs
• compiler/GHC/StgToJS/Linker/Linker.hs
• compiler/GHC/StgToJS/Linker/Opt.hs
• compiler/GHC/StgToJS/Linker/Types.hs
• compiler/GHC/StgToJS/Linker/Utils.hs
• compiler/GHC/StgToJS/Literal.hs
• compiler/GHC/StgToJS/Monad.hs
• compiler/GHC/StgToJS/Object.hs
• compiler/GHC/StgToJS/Prim.hs
• compiler/GHC/StgToJS/Profiling.hs
• compiler/GHC/StgToJS/Regs.hs
• compiler/GHC/StgToJS/Rts/Rts.hs
• compiler/GHC/StgToJS/Rts/Types.hs
• + compiler/GHC/StgToJS/Sinker/Collect.hs
• compiler/GHC/StgToJS/Sinker.hs → compiler/GHC/StgToJS/Sinker/Sinker.hs
• + compiler/GHC/StgToJS/Sinker/StringsUnfloat.hs
• compiler/GHC/StgToJS/Stack.hs
• compiler/GHC/StgToJS/StaticPtr.hs
• compiler/GHC/StgToJS/Symbols.hs
• compiler/GHC/StgToJS/Types.hs
• compiler/GHC/StgToJS/Utils.hs
• compiler/GHC/SysTools.hs
• compiler/GHC/SysTools/Ar.hs
• compiler/GHC/SysTools/BaseDir.hs
• compiler/GHC/SysTools/Cpp.hs
• compiler/GHC/SysTools/Process.hs
• compiler/GHC/SysTools/Tasks.hs
• compiler/GHC/SysTools/Terminal.hs
• compiler/GHC/Tc/Deriv.hs
• compiler/GHC/Tc/Deriv/Functor.hs
• compiler/GHC/Tc/Deriv/Generate.hs
• compiler/GHC/Tc/Deriv/Generics.hs
• compiler/GHC/Tc/Deriv/Infer.hs
• compiler/GHC/Tc/Deriv/Utils.hs
• compiler/GHC/Tc/Errors.hs
• compiler/GHC/Tc/Errors/Hole.hs
• compiler/GHC/Tc/Errors/Hole.hs-boot
• compiler/GHC/Tc/Errors/Hole/FitTypes.hs
• compiler/GHC/Tc/Errors/Hole/Plugin.hs
• compiler/GHC/Tc/Errors/Ppr.hs
• compiler/GHC/Tc/Errors/Types.hs
• compiler/GHC/Tc/Errors/Types/PromotionErr.hs
• compiler/GHC/Tc/Gen/Annotation.hs
• compiler/GHC/Tc/Gen/App.hs
• compiler/GHC/Tc/Gen/Arrow.hs
• compiler/GHC/Tc/Gen/Bind.hs
• compiler/GHC/Tc/Gen/Default.hs
• compiler/GHC/Tc/Gen/Do.hs
• + compiler/GHC/Tc/Gen/Expand.hs
• compiler/GHC/Tc/Gen/Export.hs
• compiler/GHC/Tc/Gen/Expr.hs
• compiler/GHC/Tc/Gen/Expr.hs-boot
• compiler/GHC/Tc/Gen/Foreign.hs
• compiler/GHC/Tc/Gen/Head.hs
• compiler/GHC/Tc/Gen/HsType.hs
• compiler/GHC/Tc/Gen/Match.hs
• compiler/GHC/Tc/Gen/Match.hs-boot
• compiler/GHC/Tc/Gen/Pat.hs
• − compiler/GHC/Tc/Gen/Rule.hs
• compiler/GHC/Tc/Gen/Sig.hs
• compiler/GHC/Tc/Gen/Splice.hs
• compiler/GHC/Tc/Gen/Splice.hs-boot
• compiler/GHC/Tc/Instance/Class.hs
• compiler/GHC/Tc/Instance/Family.hs
• compiler/GHC/Tc/Instance/FunDeps.hs
• compiler/GHC/Tc/Instance/Typeable.hs
• compiler/GHC/Tc/Module.hs
• compiler/GHC/Tc/Plugin.hs
• compiler/GHC/Tc/Solver.hs
• + compiler/GHC/Tc/Solver/Default.hs
• compiler/GHC/Tc/Solver/Dict.hs
• compiler/GHC/Tc/Solver/Equality.hs
• + compiler/GHC/Tc/Solver/FunDeps.hs
• compiler/GHC/Tc/Solver/InertSet.hs
• compiler/GHC/Tc/Solver/Irred.hs
• compiler/GHC/Tc/Solver/Monad.hs
• compiler/GHC/Tc/Solver/Rewrite.hs
• compiler/GHC/Tc/Solver/Solve.hs
• + compiler/GHC/Tc/Solver/Solve.hs-boot
• compiler/GHC/Tc/Solver/Types.hs
• compiler/GHC/Tc/TyCl.hs
• compiler/GHC/Tc/TyCl/Build.hs
• compiler/GHC/Tc/TyCl/Class.hs
• compiler/GHC/Tc/TyCl/Instance.hs
• compiler/GHC/Tc/TyCl/PatSyn.hs
• compiler/GHC/Tc/TyCl/Utils.hs
• compiler/GHC/Tc/Types.hs
• compiler/GHC/Tc/Types/BasicTypes.hs
• compiler/GHC/Tc/Types/Constraint.hs
• + compiler/GHC/Tc/Types/CtLoc.hs
• − compiler/GHC/Tc/Types/CtLocEnv.hs
• compiler/GHC/Tc/Types/ErrCtxt.hs
• − compiler/GHC/Tc/Types/EvTerm.hs
• compiler/GHC/Tc/Types/Evidence.hs
• compiler/GHC/Tc/Types/LclEnv.hs
• compiler/GHC/Tc/Types/Origin.hs
• compiler/GHC/Tc/Types/Origin.hs-boot
• compiler/GHC/Tc/Types/TH.hs
• compiler/GHC/Tc/Types/TcRef.hs
• compiler/GHC/Tc/Utils/Backpack.hs
• compiler/GHC/Tc/Utils/Concrete.hs
• compiler/GHC/Tc/Utils/Env.hs
• compiler/GHC/Tc/Utils/Instantiate.hs
• compiler/GHC/Tc/Utils/Monad.hs
• compiler/GHC/Tc/Utils/TcMType.hs
• − compiler/GHC/Tc/Utils/TcMType.hs-boot
• compiler/GHC/Tc/Utils/TcType.hs
• compiler/GHC/Tc/Utils/TcType.hs-boot
• compiler/GHC/Tc/Utils/Unify.hs
• compiler/GHC/Tc/Utils/Unify.hs-boot
• compiler/GHC/Tc/Validity.hs
• compiler/GHC/Tc/Zonk/Env.hs
• compiler/GHC/Tc/Zonk/Monad.hs
• compiler/GHC/Tc/Zonk/TcType.hs
• compiler/GHC/Tc/Zonk/Type.hs
• compiler/GHC/ThToHs.hs
• compiler/GHC/Types/Annotations.hs
• + compiler/GHC/Types/Arity.hs
• compiler/GHC/Types/Avail.hs
• compiler/GHC/Types/Basic.hs
• − compiler/GHC/Types/BreakInfo.hs
• compiler/GHC/Types/CompleteMatch.hs
• compiler/GHC/Types/CostCentre.hs
• compiler/GHC/Types/CostCentre/State.hs
• + compiler/GHC/Types/DefaultEnv.hs
• compiler/GHC/Types/Demand.hs
• compiler/GHC/Types/Error.hs
• + compiler/GHC/Types/Error.hs-boot
• compiler/GHC/Types/Error/Codes.hs
• compiler/GHC/Types/FieldLabel.hs
• compiler/GHC/Types/Fixity.hs
• compiler/GHC/Types/Fixity/Env.hs
• compiler/GHC/Types/ForeignCall.hs
• compiler/GHC/Types/ForeignStubs.hs
• compiler/GHC/Types/GREInfo.hs
• compiler/GHC/Types/Hint.hs
• compiler/GHC/Types/Hint/Ppr.hs
• compiler/GHC/Types/HpcInfo.hs
• compiler/GHC/Types/IPE.hs
• compiler/GHC/Types/Id.hs
• compiler/GHC/Types/Id/Info.hs
• compiler/GHC/Types/Id/Make.hs
• + compiler/GHC/Types/InlinePragma.hs
• compiler/GHC/Types/Literal.hs
• + compiler/GHC/Types/Literal/Floating.hs
• compiler/GHC/Types/Meta.hs
• compiler/GHC/Types/Name.hs
• compiler/GHC/Types/Name/Cache.hs
• compiler/GHC/Types/Name/Env.hs
• compiler/GHC/Types/Name/Occurrence.hs
• compiler/GHC/Types/Name/Ppr.hs
• compiler/GHC/Types/Name/Reader.hs
• compiler/GHC/Types/Name/Set.hs
• compiler/GHC/Types/PkgQual.hs
• compiler/GHC/Types/ProfAuto.hs
• compiler/GHC/Types/RepType.hs
• compiler/GHC/Types/SafeHaskell.hs
• compiler/GHC/Types/SaneDouble.hs
• compiler/GHC/Types/SourceError.hs
• compiler/GHC/Types/SourceFile.hs
• compiler/GHC/Types/SourceText.hs
• + compiler/GHC/Types/SptEntry.hs
• compiler/GHC/Types/SrcLoc.hs
• + compiler/GHC/Types/ThLevelIndex.hs
• compiler/GHC/Types/Tickish.hs
• compiler/GHC/Types/TyThing.hs
• compiler/GHC/Types/TyThing/Ppr.hs
• compiler/GHC/Types/Unique.hs
• compiler/GHC/Types/Unique/DFM.hs
• + compiler/GHC/Types/Unique/DSM.hs
• compiler/GHC/Types/Unique/DSet.hs
• compiler/GHC/Types/Unique/FM.hs
• compiler/GHC/Types/Unique/Map.hs
• compiler/GHC/Types/Unique/SDFM.hs
• compiler/GHC/Types/Unique/Set.hs
• compiler/GHC/Types/Unique/Supply.hs
• compiler/GHC/Types/Var.hs
• compiler/GHC/Types/Var.hs-boot
• compiler/GHC/Types/Var/Env.hs
• + compiler/GHC/Types/Var/FV.hs
• compiler/GHC/Types/Var/Set.hs
• compiler/GHC/Unit.hs
• compiler/GHC/Unit/Env.hs
• compiler/GHC/Unit/External.hs
• compiler/GHC/Unit/Finder.hs
• compiler/GHC/Unit/Finder/Types.hs
• + compiler/GHC/Unit/Home/Graph.hs
• compiler/GHC/Unit/Home/ModInfo.hs
• + compiler/GHC/Unit/Home/PackageTable.hs
• compiler/GHC/Unit/Info.hs
• compiler/GHC/Unit/Module.hs
• compiler/GHC/Unit/Module/Deps.hs
• compiler/GHC/Unit/Module/Graph.hs
• compiler/GHC/Unit/Module/Imported.hs
• compiler/GHC/Unit/Module/Location.hs
• compiler/GHC/Unit/Module/ModDetails.hs
• compiler/GHC/Unit/Module/ModGuts.hs
• compiler/GHC/Unit/Module/ModIface.hs
• + compiler/GHC/Unit/Module/ModNodeKey.hs
• compiler/GHC/Unit/Module/ModSummary.hs
• + compiler/GHC/Unit/Module/Stage.hs
• compiler/GHC/Unit/Module/Status.hs
• compiler/GHC/Unit/Module/Warnings.hs
• compiler/GHC/Unit/Module/WholeCoreBindings.hs
• compiler/GHC/Unit/State.hs
• + compiler/GHC/Unit/State.hs-boot
• compiler/GHC/Unit/Types.hs
• compiler/GHC/Unit/Types.hs-boot
• compiler/GHC/Utils/Binary.hs
• compiler/GHC/Utils/Binary/Typeable.hs
• + compiler/GHC/Utils/EndoOS.hs
• compiler/GHC/Utils/Error.hs
• compiler/GHC/Utils/Exception.hs
• − compiler/GHC/Utils/FV.hs
• compiler/GHC/Utils/Fingerprint.hs
• compiler/GHC/Utils/GlobalVars.hs
• compiler/GHC/Utils/Json.hs
• compiler/GHC/Utils/Logger.hs
• compiler/GHC/Utils/Misc.hs
• compiler/GHC/Utils/Monad.hs
• compiler/GHC/Utils/Monad/Codensity.hs
• compiler/GHC/Utils/Monad/State/Strict.hs
• compiler/GHC/Utils/Outputable.hs
• compiler/GHC/Utils/Panic.hs
• compiler/GHC/Utils/Panic/Plain.hs
• compiler/GHC/Utils/Ppr.hs
• compiler/GHC/Utils/TmpFs.hs
• compiler/GHC/Utils/Touch.hs
• compiler/GHC/Utils/Trace.hs
• compiler/GHC/Utils/Unique.hs
• compiler/GHC/Utils/Word64.hs
• compiler/GHC/Wasm/ControlFlow.hs
• compiler/GHC/Wasm/ControlFlow/FromCmm.hs
• compiler/Language/Haskell/Syntax.hs
• compiler/Language/Haskell/Syntax/Basic.hs
• compiler/Language/Haskell/Syntax/Binds.hs
• + compiler/Language/Haskell/Syntax/Binds/InlinePragma.hs
• + compiler/Language/Haskell/Syntax/BooleanFormula.hs
• compiler/Language/Haskell/Syntax/Decls.hs
• + compiler/Language/Haskell/Syntax/Decls/Foreign.hs
• + compiler/Language/Haskell/Syntax/Decls/Overlap.hs
• compiler/Language/Haskell/Syntax/Expr.hs
• compiler/Language/Haskell/Syntax/Expr.hs-boot
• compiler/Language/Haskell/Syntax/Extension.hs
• compiler/Language/Haskell/Syntax/ImpExp.hs
• − compiler/Language/Haskell/Syntax/ImpExp.hs-boot
• + compiler/Language/Haskell/Syntax/ImpExp/IsBoot.hs
• compiler/Language/Haskell/Syntax/Lit.hs
• compiler/Language/Haskell/Syntax/Module/Name.hs
• compiler/Language/Haskell/Syntax/Pat.hs
• compiler/Language/Haskell/Syntax/Pat.hs-boot
• + compiler/Language/Haskell/Syntax/Specificity.hs
• compiler/Language/Haskell/Syntax/Type.hs
• compiler/Language/Haskell/Syntax/Type.hs-boot
• compiler/Setup.hs
• compiler/cbits/genSym.c
• compiler/cbits/keepCAFsForGHCi.c
• compiler/ghc.cabal.in
• config.guess
• config.sub
• configure.ac
• distrib/configure.ac.in
• − distrib/cross-port
• distrib/mkDocs/mkDocs
• − docs/Makefile
• docs/index.html.in
• − docs/storage-mgt/Makefile
• + docs/users_guide/10.2.1-notes.rst
• − docs/users_guide/9.12.1-notes.rst
• − docs/users_guide/Makefile
• docs/users_guide/bugs.rst
• docs/users_guide/compare-flags.py
• docs/users_guide/conf.py
• docs/users_guide/debug-info.rst
• docs/users_guide/debugging.rst
• docs/users_guide/diagnostics-as-json-schema-1_0.json
• + docs/users_guide/diagnostics-as-json-schema-1_1.json
• + docs/users_guide/diagnostics-as-json-schema-1_2.json
• docs/users_guide/eventlog-formats.rst
• docs/users_guide/expected-undocumented-flags.txt
• docs/users_guide/extending_ghc.rst
• docs/users_guide/exts/arrows.rst
• docs/users_guide/exts/assert.rst
• docs/users_guide/exts/control.rst
• docs/users_guide/exts/data_kinds.rst
• docs/users_guide/exts/default_signatures.rst
• docs/users_guide/exts/derive_any_class.rst
• docs/users_guide/exts/deriving_extra.rst
• docs/users_guide/exts/deriving_inferred.rst
• docs/users_guide/exts/deriving_strategies.rst
• + docs/users_guide/exts/doandifthenelse.rst
• docs/users_guide/exts/equality_constraints.rst
• docs/users_guide/exts/explicit_namespaces.rst
• docs/users_guide/exts/extended_literals.rst
• docs/users_guide/exts/ffi.rst
• docs/users_guide/exts/gadt.rst
• docs/users_guide/exts/gadt_syntax.rst
• docs/users_guide/exts/generics.rst
• docs/users_guide/exts/hasfield.rst
• docs/users_guide/exts/instances.rst
• docs/users_guide/exts/linear_types.rst
• docs/users_guide/exts/literals.rst
• docs/users_guide/exts/magic_hash.rst
• + docs/users_guide/exts/modifiers.rst
• docs/users_guide/exts/monad_comprehensions.rst
• + docs/users_guide/exts/multiline_strings.rst
• docs/users_guide/exts/multiway_if.rst
• + docs/users_guide/exts/named_defaults.rst
• + docs/users_guide/exts/or_patterns.rst
• docs/users_guide/exts/overloaded_labels.rst
• docs/users_guide/exts/overloaded_record_update.rst
• docs/users_guide/exts/overloaded_strings.rst
• docs/users_guide/exts/parallel_list_comprehensions.rst
• docs/users_guide/exts/pattern_synonyms.rst
• docs/users_guide/exts/patterns.rst
• docs/users_guide/exts/poly_kinds.rst
• docs/users_guide/exts/pragmas.rst
• docs/users_guide/exts/primitives.rst
• + docs/users_guide/exts/qualified_strings.rst
• docs/users_guide/exts/rank_polymorphism.rst
• docs/users_guide/exts/rebindable_syntax.rst
• docs/users_guide/exts/recursive_do.rst
• + docs/users_guide/exts/relaxed_poly_rec.rst
• docs/users_guide/exts/representation_polymorphism.rst
• docs/users_guide/exts/required_type_arguments.rst
• docs/users_guide/exts/rewrite_rules.rst
• docs/users_guide/exts/roles.rst
• docs/users_guide/exts/scoped_type_variables.rst
• docs/users_guide/exts/standalone_deriving.rst
• docs/users_guide/exts/stolen_syntax.rst
• docs/users_guide/exts/strict.rst
• docs/users_guide/exts/syntax.rst
• docs/users_guide/exts/table.rst
• docs/users_guide/exts/template_haskell.rst
• docs/users_guide/exts/tuple_sections.rst
• docs/users_guide/exts/type_abstractions.rst
• docs/users_guide/exts/type_data.rst
• + docs/users_guide/exts/type_defaulting.rst
• docs/users_guide/exts/type_families.rst
• docs/users_guide/exts/type_signatures.rst
• docs/users_guide/exts/types.rst
• docs/users_guide/flags.py
• docs/users_guide/ghc_config.py.in
• − docs/users_guide/ghc_packages.py
• docs/users_guide/ghci.rst
• docs/users_guide/gone_wrong.rst
• docs/users_guide/hints.rst
• docs/users_guide/index.rst
• docs/users_guide/javascript.rst
• docs/users_guide/packages.rst
• docs/users_guide/phases.rst
• docs/users_guide/profiling.rst
• docs/users_guide/release-notes.rst
• docs/users_guide/rtd-theme/layout.html
• docs/users_guide/runtime_control.rst
• docs/users_guide/separate_compilation.rst
• docs/users_guide/using-concurrent.rst
• docs/users_guide/using-optimisation.rst
• docs/users_guide/using-warnings.rst
• docs/users_guide/using.rst
• docs/users_guide/utils.py
• docs/users_guide/wasm.rst
• docs/users_guide/win32-dlls.rst
• − driver/Makefile
• − driver/ghc/Makefile
• − driver/ghci/Makefile
• driver/ghci/ghci.c
• − driver/haddock/Makefile
• driver/utils/cwrapper.c
• driver/utils/isMinTTY.c
• − driver/utils/merge_sections.ld
• − driver/utils/merge_sections_pe.ld
• + ghc/GHC/Driver/Session/Lint.hs
• + ghc/GHC/Driver/Session/Mode.hs
• ghc/GHCi/Leak.hs
• ghc/GHCi/UI.hs
• ghc/GHCi/UI/Exception.hs
• ghc/GHCi/UI/Info.hs
• ghc/GHCi/UI/Monad.hs
• + ghc/GHCi/UI/Print.hs
• ghc/Main.hs
• ghc/ghc-bin.cabal.in
• − ghc/ghc.wrapper
• hadrian/README.md
• hadrian/bindist/Makefile
• hadrian/bindist/config.mk.in
• hadrian/bindist/cwrappers/cwrapper.c
• hadrian/bootstrap/bootstrap.py
• hadrian/bootstrap/generate_bootstrap_plans
• hadrian/bootstrap/hadrian-bootstrap-gen.cabal
• hadrian/bootstrap/plan-9_4_2.json → hadrian/bootstrap/plan-9_10_1.json
• hadrian/bootstrap/plan-9_4_3.json → hadrian/bootstrap/plan-9_10_2.json
• hadrian/bootstrap/plan-9_4_1.json → hadrian/bootstrap/plan-9_10_3.json
• hadrian/bootstrap/plan-9_8_1.json → hadrian/bootstrap/plan-9_12_1.json
• hadrian/bootstrap/plan-9_6_2.json → hadrian/bootstrap/plan-9_12_2.json
• hadrian/bootstrap/plan-9_6_4.json → hadrian/bootstrap/plan-9_14_1.json
• − hadrian/bootstrap/plan-9_4_4.json
• − hadrian/bootstrap/plan-9_4_5.json
• − hadrian/bootstrap/plan-9_4_6.json
• − hadrian/bootstrap/plan-9_4_7.json
• − hadrian/bootstrap/plan-9_4_8.json
• − hadrian/bootstrap/plan-9_6_1.json
• − hadrian/bootstrap/plan-9_6_3.json
• hadrian/bootstrap/plan-bootstrap-9_4_6.json → hadrian/bootstrap/plan-bootstrap-9_10_1.json
• hadrian/bootstrap/plan-bootstrap-9_4_4.json → hadrian/bootstrap/plan-bootstrap-9_10_2.json
• hadrian/bootstrap/plan-bootstrap-9_4_2.json → hadrian/bootstrap/plan-bootstrap-9_10_3.json
• hadrian/bootstrap/plan-bootstrap-9_8_1.json → hadrian/bootstrap/plan-bootstrap-9_12_1.json
• hadrian/bootstrap/plan-bootstrap-9_6_2.json → hadrian/bootstrap/plan-bootstrap-9_12_2.json
• hadrian/bootstrap/plan-bootstrap-9_6_3.json → hadrian/bootstrap/plan-bootstrap-9_14_1.json
• − hadrian/bootstrap/plan-bootstrap-9_4_1.json
• − hadrian/bootstrap/plan-bootstrap-9_4_3.json
• − hadrian/bootstrap/plan-bootstrap-9_4_5.json
• − hadrian/bootstrap/plan-bootstrap-9_4_7.json
• − hadrian/bootstrap/plan-bootstrap-9_4_8.json
• − hadrian/bootstrap/plan-bootstrap-9_6_1.json
• − hadrian/bootstrap/plan-bootstrap-9_6_4.json
• hadrian/bootstrap/src/Main.hs
• hadrian/build-cabal
• hadrian/build-cabal.bat
• hadrian/cabal.project
• hadrian/cfg/default.host.target.in
• hadrian/cfg/default.target.in
• hadrian/cfg/system.config.in
• hadrian/doc/flavours.md
• hadrian/doc/make.md
• hadrian/doc/testsuite.md
• hadrian/doc/user-settings.md
• hadrian/ghci-multi-cabal.in
• hadrian/hadrian.cabal
• hadrian/src/Base.hs
• hadrian/src/Builder.hs
• hadrian/src/CommandLine.hs
• hadrian/src/Context.hs
• hadrian/src/Context/Path.hs
• hadrian/src/Context/Type.hs
• hadrian/src/Flavour.hs
• hadrian/src/Flavour/Type.hs
• hadrian/src/Hadrian/Builder.hs
• hadrian/src/Hadrian/Builder/Ar.hs
• hadrian/src/Hadrian/Haskell/Cabal/Parse.hs
• hadrian/src/Hadrian/Haskell/Cabal/Type.hs
• hadrian/src/Hadrian/Haskell/Hash.hs
• hadrian/src/Hadrian/Oracles/ArgsHash.hs
• hadrian/src/Hadrian/Oracles/Cabal/Type.hs
• hadrian/src/Hadrian/Oracles/DirectoryContents.hs
• hadrian/src/Hadrian/Oracles/Path.hs
• hadrian/src/Hadrian/Oracles/TextFile.hs
• hadrian/src/Hadrian/Utilities.hs
• hadrian/src/Main.hs
• hadrian/src/Oracles/Flag.hs
• hadrian/src/Oracles/Flavour.hs
• hadrian/src/Oracles/ModuleFiles.hs
• hadrian/src/Oracles/Setting.hs
• hadrian/src/Oracles/TestSettings.hs
• hadrian/src/Packages.hs
• + hadrian/src/Progress.hs
• hadrian/src/Rules.hs
• hadrian/src/Rules/BinaryDist.hs
• hadrian/src/Rules/CabalReinstall.hs
• + hadrian/src/Rules/Changelog.hs
• hadrian/src/Rules/Compile.hs
• hadrian/src/Rules/Dependencies.hs
• hadrian/src/Rules/Documentation.hs
• hadrian/src/Rules/Generate.hs
• hadrian/src/Rules/Gmp.hs
• − hadrian/src/Rules/Libffi.hs
• hadrian/src/Rules/Library.hs
• hadrian/src/Rules/Lint.hs
• hadrian/src/Rules/Program.hs
• hadrian/src/Rules/Register.hs
• hadrian/src/Rules/Rts.hs
• hadrian/src/Rules/SourceDist.hs
• hadrian/src/Rules/Test.hs
• hadrian/src/Rules/ToolArgs.hs
• hadrian/src/Settings.hs
• hadrian/src/Settings/Builders/Cabal.hs
• hadrian/src/Settings/Builders/Cc.hs
• hadrian/src/Settings/Builders/Common.hs
• hadrian/src/Settings/Builders/Configure.hs
• hadrian/src/Settings/Builders/DeriveConstants.hs
• hadrian/src/Settings/Builders/GenApply.hs
• hadrian/src/Settings/Builders/GenPrimopCode.hs
• hadrian/src/Settings/Builders/Ghc.hs
• hadrian/src/Settings/Builders/Hsc2Hs.hs
• hadrian/src/Settings/Builders/Make.hs
• − hadrian/src/Settings/Builders/MergeObjects.hs
• hadrian/src/Settings/Builders/RunTest.hs
• hadrian/src/Settings/Builders/SplitSections.hs
• hadrian/src/Settings/Default.hs
• − hadrian/src/Settings/Flavours/Benchmark.hs
• hadrian/src/Settings/Flavours/Development.hs
• hadrian/src/Settings/Flavours/GhcInGhci.hs
• hadrian/src/Settings/Flavours/Performance.hs
• hadrian/src/Settings/Flavours/Quick.hs
• hadrian/src/Settings/Flavours/QuickCross.hs
• hadrian/src/Settings/Flavours/Quickest.hs
• hadrian/src/Settings/Flavours/Release.hs
• hadrian/src/Settings/Flavours/Validate.hs
• hadrian/src/Settings/Packages.hs
• hadrian/src/Settings/Parser.hs
• hadrian/src/Settings/Program.hs
• hadrian/src/Settings/Warnings.hs
• hadrian/src/Way.hs
• hadrian/stack.yaml
• hadrian/stack.yaml.lock
• − libffi-tarballs
• − libffi/Makefile
• − libffi/ln
• libraries/Cabal
• − libraries/Makefile
• libraries/Win32
• libraries/array
• libraries/base/base.cabal → libraries/base/base.cabal.in
• libraries/base/changelog.md
• libraries/base/src/Control/Applicative.hs
• libraries/base/src/Control/Arrow.hs
• libraries/base/src/Control/Category.hs
• libraries/base/src/Control/Concurrent.hs
• libraries/base/src/Control/Exception.hs
• libraries/base/src/Control/Exception/Backtrace.hs
• libraries/base/src/Control/Monad.hs
• libraries/base/src/Control/Monad/Fix.hs
• libraries/base/src/Control/Monad/IO/Class.hs
• libraries/base/src/Control/Monad/Zip.hs
• libraries/base/src/Data/Array/Byte.hs
• libraries/base/src/Data/Bifoldable.hs
• libraries/base/src/Data/Bifoldable1.hs
• libraries/base/src/Data/Bifunctor.hs
• libraries/base/src/Data/Bitraversable.hs
• libraries/base/src/Data/Bool.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Enum.hs → libraries/base/src/Data/Bounded.hs
• libraries/base/src/Data/Char.hs
• libraries/base/src/Data/Complex.hs
• libraries/base/src/Data/Data.hs
• libraries/base/src/Data/Enum.hs
• libraries/base/src/Data/Eq.hs
• libraries/base/src/Data/Fixed.hs
• libraries/base/src/Data/Foldable.hs
• libraries/base/src/Data/Foldable1.hs
• libraries/base/src/Data/Functor.hs
• libraries/base/src/Data/Functor/Classes.hs
• libraries/base/src/Data/Functor/Compose.hs
• libraries/base/src/Data/Functor/Product.hs
• libraries/base/src/Data/Functor/Sum.hs
• libraries/base/src/Data/Ix.hs
• libraries/base/src/Data/List.hs
• libraries/base/src/Data/List/NonEmpty.hs
• + libraries/base/src/Data/List/NubOrdSet.hs
• libraries/base/src/Data/Monoid.hs
• libraries/base/src/Data/Semigroup.hs
• libraries/base/src/Data/Traversable.hs
• libraries/base/src/Data/Version.hs
• libraries/base/src/GHC/Base.hs
• libraries/base/src/GHC/ByteOrder.hs
• libraries/base/src/GHC/Conc.hs
• libraries/base/src/GHC/Conc/Sync.hs
• − libraries/base/src/GHC/Desugar.hs
• libraries/base/src/GHC/Exception.hs
• − libraries/base/src/GHC/ExecutionStack/Internal.hs
• libraries/base/src/GHC/Exts.hs
• libraries/base/src/GHC/Fingerprint.hs
• libraries/base/src/GHC/Generics.hs
• libraries/base/src/GHC/IO/Handle.hs
• libraries/base/src/GHC/IO/StdHandles.hs
• − libraries/base/src/GHC/IOPort.hs
• − libraries/base/src/GHC/JS/Prim/Internal/Build.hs
• libraries/base/src/GHC/Num.hs
• − libraries/base/src/GHC/Pack.hs
• libraries/base/src/GHC/RTS/Flags.hs
• libraries/base/src/GHC/Records.hs
• libraries/base/src/GHC/ResponseFile.hs
• libraries/base/src/GHC/Stack/CloneStack.hs
• libraries/base/src/GHC/Stats.hs
• − libraries/base/src/GHC/TypeLits/Internal.hs
• libraries/base/src/GHC/Unicode.hs
• libraries/base/src/GHC/Weak.hs
• libraries/base/src/GHC/Weak/Finalize.hs
• libraries/base/src/Numeric.hs
• libraries/base/src/Prelude.hs
• libraries/base/src/System/CPUTime/Utils.hs
• libraries/base/src/System/CPUTime/Windows.hsc
• libraries/base/src/System/Console/GetOpt.hs
• libraries/base/src/System/Exit.hs
• libraries/base/src/System/IO.hs
• + libraries/base/src/System/IO/OS.hs
• libraries/base/src/System/Info.hs
• libraries/base/src/System/Mem/Weak.hs
• libraries/base/src/System/Timeout.hs
• libraries/base/src/Text/Printf.hs
• libraries/base/tests/IO/Makefile
• libraries/base/tests/IO/T12010/cbits/initWinSock.c
• libraries/base/tests/IO/T17912.hs
• libraries/base/tests/IO/T18832.hs
• libraries/base/tests/IO/T21336/T21336a.stderr
• libraries/base/tests/IO/T21336/T21336b.stderr
• libraries/base/tests/IO/T4808.stderr
• libraries/base/tests/IO/all.T
• libraries/base/tests/IO/mkdirExists.stderr
• libraries/base/tests/IO/openFile002.stderr
• libraries/base/tests/IO/openFile002.stderr-mingw32
• libraries/base/tests/IO/openFile002.stderr-mingw32-2
• + libraries/base/tests/IO/osHandles001FileDescriptors.hs
• + libraries/base/tests/IO/osHandles001FileDescriptors.stdout
• + libraries/base/tests/IO/osHandles001WindowsHandles.hs
• + libraries/base/tests/IO/osHandles001WindowsHandles.stdout
• + libraries/base/tests/IO/osHandles002FileDescriptors.hs
• + libraries/base/tests/IO/osHandles002FileDescriptors.stderr
• + libraries/base/tests/IO/osHandles002FileDescriptors.stdin
• + libraries/base/tests/IO/osHandles002FileDescriptors.stdout
• + libraries/base/tests/IO/osHandles002WindowsHandles.hs
• + libraries/base/tests/IO/osHandles002WindowsHandles.stderr
• + libraries/base/tests/IO/osHandles002WindowsHandles.stdin
• + libraries/base/tests/IO/osHandles002WindowsHandles.stdout
• libraries/base/tests/IO/withBinaryFile001.stderr
• libraries/base/tests/IO/withBinaryFile002.stderr
• libraries/base/tests/IO/withFile001.stderr
• libraries/base/tests/IO/withFile002.stderr
• libraries/base/tests/IO/withFileBlocking001.stderr
• libraries/base/tests/IO/withFileBlocking002.stderr
• libraries/base/tests/T15349.stderr
• libraries/base/tests/T16111.stderr
• libraries/base/tests/T19288.stderr
• libraries/base/tests/T23454.stderr
• + libraries/base/tests/T24807.hs
• + libraries/base/tests/T24807.stderr
• + libraries/base/tests/T25066.hs
• + libraries/base/tests/T25066.stderr
• libraries/base/tests/T9586.hs
• libraries/base/tests/all.T
• libraries/base/tests/assert.stderr
• libraries/base/tests/char001.hs
• libraries/base/tests/char001.stdout
• libraries/base/tests/dynamic002.hs
• libraries/base/tests/enum01.stdout
• libraries/base/tests/enum01.stdout-alpha-dec-osf3
• libraries/base/tests/enum01.stdout-ws-64
• libraries/base/tests/enum02.stdout
• libraries/base/tests/enum02.stdout-alpha-dec-osf3
• libraries/base/tests/enum02.stdout-mips-sgi-irix
• libraries/base/tests/enum02.stdout-ws-64
• libraries/base/tests/enum02.stdout-x86_64-unknown-openbsd
• libraries/base/tests/enum03.stdout
• libraries/base/tests/enum03.stdout-alpha-dec-osf3
• libraries/base/tests/enum03.stdout-mips-sgi-irix
• libraries/base/tests/enum03.stdout-ws-64
• libraries/base/tests/enum03.stdout-x86_64-unknown-openbsd
• libraries/base/tests/foldableArray.hs
• libraries/base/tests/lex001.hs
• libraries/base/tests/lex001.stdout
• libraries/base/tests/list001.hs
• + libraries/base/tests/perf/ElemFusionUnknownList.hs
• + libraries/base/tests/perf/ElemFusionUnknownList_O1.stderr
• + libraries/base/tests/perf/ElemFusionUnknownList_O2.stderr
• + libraries/base/tests/perf/ElemNoFusion.hs
• + libraries/base/tests/perf/ElemNoFusion_O1.stderr
• + libraries/base/tests/perf/ElemNoFusion_O2.stderr
• libraries/base/tests/perf/T17752.hs
• − libraries/base/tests/perf/T17752.stdout
• + libraries/base/tests/perf/T17752_O1.stderr
• + libraries/base/tests/perf/T17752_O2.stderr
• libraries/base/tests/perf/all.T
• libraries/base/tests/perf/encodingAllocations.hs
• libraries/base/tests/readFloat.stderr
• − libraries/base/tests/topHandler04.hs
• − libraries/base/tests/topHandler04.stderr
• libraries/base/tests/unicode002.stdout
• libraries/base/tests/unicode003.hs
• libraries/base/tests/unicode003.stdout
• libraries/binary
• libraries/bytestring
• libraries/containers
• libraries/deepseq
• libraries/directory
• libraries/exceptions
• + libraries/file-io
• libraries/filepath
• − libraries/ghc-bignum/.gitignore
• + libraries/ghc-bignum/Dummy.hs
• − libraries/ghc-bignum/aclocal.m4
• libraries/ghc-bignum/changelog.md
• − libraries/ghc-bignum/config.mk.in
• − libraries/ghc-bignum/configure.ac
• − libraries/ghc-bignum/ghc-bignum.buildinfo.in
• libraries/ghc-bignum/ghc-bignum.cabal
• − libraries/ghc-bignum/gmp/gmp-tarballs
• − libraries/ghc-bignum/gmp/gmpsrc.patch
• − libraries/ghc-bignum/gmp/ln
• − libraries/ghc-bignum/include/HsIntegerGmp.h.in
• − libraries/ghc-bignum/install-sh
• libraries/base/src/GHC/TypeNats/Internal.hs → libraries/ghc-boot-th/GHC/Boot/TH/Lib.hs
• libraries/template-haskell/Language/Haskell/TH/Lib/Map.hs → libraries/ghc-boot-th/GHC/Boot/TH/Lib/Map.hs
• + libraries/ghc-boot-th/GHC/Boot/TH/Lift.hs
• + libraries/ghc-boot-th/GHC/Boot/TH/Monad.hs
• + libraries/ghc-boot-th/GHC/Boot/TH/Ppr.hs
• + libraries/ghc-boot-th/GHC/Boot/TH/PprLib.hs
• + libraries/ghc-boot-th/GHC/Boot/TH/Quote.hs
• + libraries/ghc-boot-th/GHC/Boot/TH/Syntax.hs
• libraries/ghc-boot-th/GHC/ForeignSrcLang/Type.hs
• libraries/ghc-boot-th/GHC/LanguageExtensions/Type.hs
• libraries/ghc-boot-th/GHC/Lexeme.hs
• libraries/ghc-boot-th/ghc-boot-th.cabal.in
• libraries/ghc-boot/GHC/BaseDir.hs
• libraries/ghc-boot/GHC/Data/ShortText.hs
• libraries/ghc-boot/GHC/Data/SizedSeq.hs
• compiler/GHC/Data/SmallArray.hs → libraries/ghc-boot/GHC/Data/SmallArray.hs
• libraries/ghc-boot/GHC/Serialized.hs
• libraries/ghc-boot/GHC/Settings/Utils.hs
• libraries/ghc-boot/GHC/Unit/Database.hs
• libraries/ghc-boot/GHC/Utils/Encoding.hs
• libraries/ghc-boot/GHC/Utils/Encoding/UTF8.hs
• libraries/ghc-boot/Setup.hs
• libraries/ghc-boot/ghc-boot.cabal.in
• libraries/ghc-compact/GHC/Compact.hs
• libraries/ghc-compact/GHC/Compact/Serialized.hs
• libraries/ghc-compact/ghc-compact.cabal
• + libraries/ghc-compact/tests/T18757.stdout-wasm32-unknown-wasi
• libraries/ghc-compact/tests/all.T
• libraries/ghc-compact/tests/compact_function.stderr
• libraries/ghc-compact/tests/compact_mutable.stderr
• libraries/ghc-compact/tests/compact_pinned.stderr
• libraries/ghc-experimental/CHANGELOG.md
• libraries/ghc-experimental/ghc-experimental.cabal → libraries/ghc-experimental/ghc-experimental.cabal.in
• libraries/ghc-experimental/src/Data/Sum/Experimental.hs
• libraries/ghc-experimental/src/Data/Tuple/Experimental.hs
• + libraries/ghc-experimental/src/GHC/Exception/Backtrace/Experimental.hs
• + libraries/ghc-experimental/src/GHC/PrimOps.hs
• libraries/ghc-experimental/src/GHC/Profiling/Eras.hs
• + libraries/ghc-experimental/src/GHC/RTS/Flags/Experimental.hs
• + libraries/ghc-experimental/src/GHC/Stack/Annotation/Experimental.hs
• + libraries/ghc-experimental/src/GHC/Stack/Decode/Experimental.hs
• + libraries/ghc-experimental/src/GHC/Stats/Experimental.hs
• + libraries/ghc-experimental/src/GHC/TypeLits/Experimental.hs
• + libraries/ghc-experimental/src/GHC/TypeNats/Experimental.hs
• libraries/ghc-experimental/src/GHC/Wasm/Prim.hs
• libraries/ghc-experimental/src/Prelude/Experimental.hs
• + libraries/ghc-experimental/src/System/Mem/Experimental.hs
• + libraries/ghc-experimental/tests/Makefile
• libraries/base/src/GHC/Weak/Finalizehs → libraries/ghc-experimental/tests/all.T
• libraries/base/tests/perf/Makefile → libraries/ghc-experimental/tests/backtraces/Makefile
• + libraries/ghc-experimental/tests/backtraces/T26806a.hs
• + libraries/ghc-experimental/tests/backtraces/T26806a.stderr
• + libraries/ghc-experimental/tests/backtraces/T26806b.hs
• + libraries/ghc-experimental/tests/backtraces/T26806b.stderr
• + libraries/ghc-experimental/tests/backtraces/T26806c.hs
• + libraries/ghc-experimental/tests/backtraces/T26806c.stderr
• + libraries/ghc-experimental/tests/backtraces/all.T
• libraries/ghc-heap/GHC/Exts/Heap.hs
• libraries/ghc-heap/GHC/Exts/Heap/ClosureTypes.hs
• libraries/ghc-heap/GHC/Exts/Heap/Closures.hs
• + libraries/ghc-heap/GHC/Exts/Heap/Constants.hs
• libraries/ghc-heap/GHC/Exts/Heap/FFIClosures_ProfilingDisabled.hsc
• libraries/ghc-heap/GHC/Exts/Heap/FFIClosures_ProfilingEnabled.hsc
• + libraries/ghc-heap/GHC/Exts/Heap/InfoTable.hs
• + libraries/ghc-heap/GHC/Exts/Heap/InfoTable/Types.hs
• + libraries/ghc-heap/GHC/Exts/Heap/InfoTableProf.hs
• libraries/ghc-heap/GHC/Exts/Heap/ProfInfo/PeekProfInfo_ProfilingEnabled.hsc
• libraries/ghc-heap/GHC/Exts/Heap/ProfInfo/Types.hs
• libraries/ghc-heap/GHC/Exts/Heap/Utils.hsc
• libraries/ghc-heap/GHC/Exts/Stack.hs
• + libraries/ghc-heap/GHC/Exts/Stack/Constants.hs
• libraries/ghc-heap/GHC/Exts/Stack/Decode.hs
• libraries/ghc-heap/ghc-heap.cabal.in
• libraries/ghc-heap/tests/parse_tso_flags.hs
• libraries/ghc-heap/tests/stack_big_ret.hs
• libraries/ghc-heap/tests/stack_misc_closures_c.c
• libraries/ghc-heap/tests/tso_and_stack_closures.hs
• libraries/ghc-internal/.gitignore
• libraries/ghc-internal/CHANGELOG.md
• libraries/ghc-internal/aclocal.m4
• libraries/ghc-bignum/README.rst → libraries/ghc-internal/bignum-backend.rst
• libraries/ghc-heap/cbits/HeapPrim.cmm → libraries/ghc-internal/cbits/HeapPrim.cmm
• + libraries/ghc-internal/cbits/RtsIface.c
• libraries/ghc-heap/cbits/Stack.cmm → libraries/ghc-internal/cbits/Stack.cmm
• libraries/ghc-internal/cbits/StackCloningDecoding.cmm
• libraries/ghc-heap/cbits/Stack_c.c → libraries/ghc-internal/cbits/Stack_c.c
• libraries/ghc-internal/cbits/consUtils.c
• libraries/ghc-prim/cbits/debug.c → libraries/ghc-internal/cbits/debug.c
• libraries/ghc-bignum/cbits/gmp_wrappers.c → libraries/ghc-internal/cbits/gmp_wrappers.c
• libraries/ghc-internal/codepages/MakeTable.hs
• libraries/ghc-internal/codepages/Makefile
• libraries/ghc-internal/configure.ac
• libraries/ghc-internal/ghc-internal.buildinfo.in
• libraries/ghc-internal/ghc-internal.cabal → libraries/ghc-internal/ghc-internal.cabal.in
• libraries/ghc-bignum/GMP.rst → libraries/ghc-internal/gmp-backend.rst
• libraries/ghc-bignum/gmp/ghc-gmp.h → libraries/ghc-internal/gmp/ghc-gmp.h
• + libraries/ghc-internal/gmp/gmp-tarballs
• + libraries/ghc-internal/include/HsIntegerGmp.h.in
• + libraries/ghc-internal/include/RtsIfaceSymbols.h
• libraries/ghc-bignum/include/WordSize.h → libraries/ghc-internal/include/WordSize.h
• − libraries/ghc-internal/include/alignment.h
• − libraries/ghc-internal/include/windows_cconv.h
• libraries/ghc-internal/jsbits/base.js
• libraries/ghc-internal/jsbits/errno.js
• libraries/ghc-internal/jsbits/platform.js
• libraries/ghc-internal/prologue.txt
• + libraries/ghc-internal/src/GHC/Internal/AllocationLimitHandler.hs
• libraries/ghc-internal/src/GHC/Internal/Arr.hs
• libraries/ghc-internal/src/GHC/Internal/ArrayArray.hs
• libraries/ghc-internal/src/GHC/Internal/Base.hs
• libraries/ghc-bignum/src/GHC/Num/Backend.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/Backend.hs
• libraries/ghc-bignum/src/GHC/Num/Backend/Check.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/Backend/Check.hs
• libraries/ghc-bignum/src/GHC/Num/Backend/FFI.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/Backend/FFI.hs
• libraries/ghc-bignum/src/GHC/Num/Backend/GMP.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/Backend/GMP.hs
• libraries/ghc-bignum/src/GHC/Num/Backend/Native.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/Backend/Native.hs
• libraries/ghc-bignum/src/GHC/Num/Backend/Selected.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/Backend/Selected.hs
• libraries/ghc-bignum/src/GHC/Num/BigNat.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/BigNat.hs
• libraries/ghc-bignum/src/GHC/Num/BigNat.hs-boot → libraries/ghc-internal/src/GHC/Internal/Bignum/BigNat.hs-boot
• libraries/ghc-bignum/src/GHC/Num/Integer.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/Integer.hs
• libraries/ghc-bignum/src/GHC/Num/Integer.hs-boot → libraries/ghc-internal/src/GHC/Internal/Bignum/Integer.hs-boot
• libraries/ghc-bignum/src/GHC/Num/Natural.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/Natural.hs
• libraries/ghc-bignum/src/GHC/Num/Natural.hs-boot → libraries/ghc-internal/src/GHC/Internal/Bignum/Natural.hs-boot
• libraries/ghc-bignum/src/GHC/Num/Primitives.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/Primitives.hs
• libraries/ghc-bignum/src/GHC/Num/WordArray.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/WordArray.hs
• libraries/ghc-internal/src/GHC/Internal/Bits.hs
• libraries/ghc-internal/src/GHC/Internal/ByteOrder.hs
• − libraries/ghc-internal/src/GHC/Internal/ByteOrder.hs-boot
• libraries/ghc-prim/GHC/CString.hs → libraries/ghc-internal/src/GHC/Internal/CString.hs
• libraries/ghc-internal/src/GHC/Internal/Char.hs
• libraries/ghc-prim/GHC/Classes.hs → libraries/ghc-internal/src/GHC/Internal/Classes.hs
• + libraries/ghc-internal/src/GHC/Internal/Classes/IP.hs
• libraries/ghc-internal/src/GHC/Internal/Clock.hsc
• libraries/ghc-internal/src/GHC/Internal/ClosureTypes.hs
• libraries/ghc-internal/src/GHC/Internal/Conc/Bound.hs
• libraries/ghc-internal/src/GHC/Internal/Conc/IO.hs
• libraries/ghc-internal/src/GHC/Internal/Conc/POSIX.hs
• libraries/ghc-internal/src/GHC/Internal/Conc/Signal.hs
• libraries/ghc-internal/src/GHC/Internal/Conc/Sync.hs
• − libraries/ghc-internal/src/GHC/Internal/Conc/Sync.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Conc/Windows.hs
• libraries/ghc-internal/src/GHC/Internal/ConsoleHandler.hsc
• libraries/ghc-internal/src/GHC/Internal/Control/Arrow.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Category.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Concurrent/MVar.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Exception.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad/Fail.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad/Fix.hs
• + libraries/ghc-internal/src/GHC/Internal/Control/Monad/IO/Class.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad/ST/Imp.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad/ST/Lazy/Imp.hs
• + libraries/ghc-internal/src/GHC/Internal/Control/Monad/Zip.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Bits.hs
• − libraries/ghc-internal/src/GHC/Internal/Data/Bool.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Coerce.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Data.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Dynamic.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Either.hs
• − libraries/ghc-internal/src/GHC/Internal/Data/Eq.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Foldable.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Function.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Functor/Const.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Functor/Identity.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Functor/Utils.hs
• libraries/ghc-internal/src/GHC/Internal/Data/IORef.hs
• − libraries/ghc-internal/src/GHC/Internal/Data/Ix.hs
• libraries/ghc-internal/src/GHC/Internal/Data/List.hs
• + libraries/ghc-internal/src/GHC/Internal/Data/List/NonEmpty.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Maybe.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Monoid.hs
• + libraries/ghc-internal/src/GHC/Internal/Data/NonEmpty.hs
• libraries/ghc-internal/src/GHC/Internal/Data/OldList.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Ord.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Proxy.hs
• libraries/ghc-internal/src/GHC/Internal/Data/STRef.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Semigroup/Internal.hs
• libraries/ghc-internal/src/GHC/Internal/Data/String.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Traversable.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Tuple.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Type/Bool.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Type/Coercion.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Type/Equality.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Type/Ord.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Typeable.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Typeable/Internal.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Unique.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Version.hs
• − libraries/ghc-internal/src/GHC/Internal/Data/Version.hs-boot
• libraries/ghc-prim/GHC/Debug.hs → libraries/ghc-internal/src/GHC/Internal/Debug.hs
• libraries/ghc-internal/src/GHC/Internal/Debug/Trace.hs
• libraries/ghc-internal/src/GHC/Internal/Debug/Trace.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Encoding/UTF8.hs
• libraries/ghc-internal/src/GHC/Internal/Enum.hs
• libraries/ghc-internal/src/GHC/Internal/Enum.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Environment.hs
• libraries/ghc-internal/src/GHC/Internal/Err.hs
• libraries/ghc-internal/src/GHC/Internal/Event.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Arr.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Array.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Control.hs
• libraries/ghc-internal/src/GHC/Internal/Event/EPoll.hsc
• libraries/ghc-internal/src/GHC/Internal/Event/IntTable.hs
• libraries/ghc-internal/src/GHC/Internal/Event/IntVar.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Internal.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Internal/Types.hs
• libraries/ghc-internal/src/GHC/Internal/Event/KQueue.hsc
• libraries/ghc-internal/src/GHC/Internal/Event/Manager.hs
• libraries/ghc-internal/src/GHC/Internal/Event/PSQ.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Poll.hsc
• libraries/ghc-internal/src/GHC/Internal/Event/Thread.hs
• libraries/ghc-internal/src/GHC/Internal/Event/TimeOut.hs
• libraries/ghc-internal/src/GHC/Internal/Event/TimerManager.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Unique.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Windows.hsc
• libraries/ghc-internal/src/GHC/Internal/Event/Windows/Clock.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Windows/ConsoleEvent.hsc
• libraries/ghc-internal/src/GHC/Internal/Event/Windows/FFI.hsc
• libraries/ghc-internal/src/GHC/Internal/Event/Windows/ManagedThreadPool.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Windows/Thread.hs
• libraries/ghc-internal/src/GHC/Internal/Exception.hs
• libraries/ghc-internal/src/GHC/Internal/Exception.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Exception/Backtrace.hs
• libraries/ghc-internal/src/GHC/Internal/Exception/Backtrace.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Exception/Context.hs
• libraries/ghc-internal/src/GHC/Internal/Exception/Context.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Exception/Type.hs
• libraries/ghc-internal/src/GHC/Internal/Exception/Type.hs-boot
• libraries/ghc-internal/src/GHC/Internal/ExecutionStack.hs
• libraries/ghc-internal/src/GHC/Internal/ExecutionStack/Internal.hsc
• libraries/ghc-internal/src/GHC/Internal/Exts.hs
• libraries/ghc-internal/src/GHC/Internal/Fingerprint.hs
• libraries/ghc-internal/src/GHC/Internal/Fingerprint.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Fingerprint/Type.hs
• libraries/ghc-internal/src/GHC/Internal/Float.hs
• libraries/ghc-internal/src/GHC/Internal/Float/ConversionUtils.hs
• libraries/ghc-internal/src/GHC/Internal/Float/RealFracMethods.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/C/ConstPtr.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/C/Error.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/C/String.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/C/String/Encoding.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/C/Types.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/ForeignPtr/Imp.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Marshal/Alloc.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Marshal/Array.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Marshal/Error.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Marshal/Pool.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Marshal/Utils.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Ptr.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Storable.hs
• libraries/ghc-internal/src/GHC/Internal/ForeignPtr.hs
• + libraries/ghc-internal/src/GHC/Internal/ForeignSrcLang.hs
• libraries/ghc-internal/src/GHC/Internal/Functor/ZipList.hs
• libraries/ghc-internal/src/GHC/Internal/GHCi.hs
• libraries/ghc-internal/src/GHC/Internal/GHCi/Helpers.hs
• libraries/ghc-internal/src/GHC/Internal/Generics.hs
• + libraries/ghc-internal/src/GHC/Internal/Heap/Closures.hs
• libraries/ghc-heap/GHC/Exts/Heap/Constants.hsc → libraries/ghc-internal/src/GHC/Internal/Heap/Constants.hsc
• libraries/ghc-heap/GHC/Exts/Heap/InfoTable.hsc → libraries/ghc-internal/src/GHC/Internal/Heap/InfoTable.hsc
• libraries/ghc-heap/GHC/Exts/Heap/InfoTable/Types.hsc → libraries/ghc-internal/src/GHC/Internal/Heap/InfoTable/Types.hsc
• libraries/ghc-heap/GHC/Exts/Heap/InfoTableProf.hsc → libraries/ghc-internal/src/GHC/Internal/Heap/InfoTableProf.hsc
• + libraries/ghc-internal/src/GHC/Internal/Heap/ProfInfo/Types.hs
• libraries/ghc-internal/src/GHC/Internal/IO.hs
• libraries/ghc-internal/src/GHC/Internal/IO.hs-boot
• libraries/ghc-internal/src/GHC/Internal/IO/Buffer.hs
• libraries/ghc-internal/src/GHC/Internal/IO/BufferedIO.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Device.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Encoding.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Encoding/CodePage.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Encoding/CodePage/API.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Encoding/CodePage/Table.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Encoding/Failure.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Encoding/Iconv.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Encoding/Latin1.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Encoding/Types.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Encoding/UTF16.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Encoding/UTF32.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Encoding/UTF8.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Exception.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Exception.hs-boot
• libraries/ghc-internal/src/GHC/Internal/IO/FD.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Handle.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Handle/FD.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Handle/Internals.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Handle/Lock.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Handle/Lock/Flock.hsc
• libraries/ghc-internal/src/GHC/Internal/IO/Handle/Lock/LinuxOFD.hsc
• libraries/ghc-internal/src/GHC/Internal/IO/Handle/Lock/NoOp.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Handle/Lock/Windows.hsc
• libraries/ghc-internal/src/GHC/Internal/IO/Handle/Text.hs
• − libraries/ghc-internal/src/GHC/Internal/IO/Handle/Text.hs-boot
• libraries/ghc-internal/src/GHC/Internal/IO/Handle/Types.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Handle/Types.hs-boot
• libraries/ghc-internal/src/GHC/Internal/IO/Handle/Windows.hs
• libraries/ghc-internal/src/GHC/Internal/IO/IOMode.hs
• libraries/ghc-internal/src/GHC/Internal/IO/StdHandles.hs
• libraries/ghc-internal/src/GHC/Internal/IO/SubSystem.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Unsafe.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Windows/Encoding.hs
• libraries/ghc-internal/src/GHC/Internal/IO/Windows/Handle.hsc
• libraries/ghc-internal/src/GHC/Internal/IO/Windows/Paths.hs
• libraries/ghc-internal/src/GHC/Internal/IOArray.hs
• − libraries/ghc-internal/src/GHC/Internal/IOPort.hs
• libraries/ghc-internal/src/GHC/Internal/IORef.hs
• libraries/ghc-internal/src/GHC/Internal/InfoProv.hs
• libraries/ghc-internal/src/GHC/Internal/InfoProv/Types.hsc
• libraries/ghc-internal/src/GHC/Internal/Int.hs
• libraries/ghc-internal/src/GHC/Internal/Integer.hs
• libraries/ghc-internal/src/GHC/Internal/Integer/Logarithms.hs
• libraries/ghc-internal/src/GHC/Internal/IsList.hs
• libraries/ghc-internal/src/GHC/Internal/Ix.hs
• libraries/ghc-internal/src/GHC/Internal/JS/Foreign/Callback.hs
• libraries/ghc-internal/src/GHC/Internal/JS/Prim.hs
• libraries/ghc-internal/src/GHC/Internal/JS/Prim/Internal.hs
• libraries/ghc-internal/src/GHC/Internal/JS/Prim/Internal/Build.hs
• + libraries/ghc-internal/src/GHC/Internal/LanguageExtensions.hs
• + libraries/ghc-internal/src/GHC/Internal/Lexeme.hs
• libraries/ghc-internal/src/GHC/Internal/List.hs
• libraries/ghc-internal/src/GHC/Internal/MVar.hs
• libraries/ghc-prim/GHC/Magic.hs → libraries/ghc-internal/src/GHC/Internal/Magic.hs
• libraries/ghc-prim/GHC/Magic/Dict.hs → libraries/ghc-internal/src/GHC/Internal/Magic/Dict.hs
• libraries/ghc-internal/src/GHC/Internal/Maybe.hs
• libraries/ghc-internal/src/GHC/Internal/Natural.hs
• libraries/ghc-internal/src/GHC/Internal/Num.hs
• libraries/ghc-internal/src/GHC/Internal/Num.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Numeric.hs
• libraries/ghc-internal/src/GHC/Internal/Numeric/Natural.hs
• libraries/ghc-internal/src/GHC/Internal/OverloadedLabels.hs
• libraries/ghc-internal/src/GHC/Internal/Pack.hs
• + libraries/ghc-internal/src/GHC/Internal/Prim.hs
• libraries/ghc-prim/GHC/Prim/Exception.hs → libraries/ghc-internal/src/GHC/Internal/Prim/Exception.hs
• libraries/ghc-prim/GHC/Prim/Ext.hs → libraries/ghc-internal/src/GHC/Internal/Prim/Ext.hs
• libraries/ghc-prim/GHC/Prim/Panic.hs → libraries/ghc-internal/src/GHC/Internal/Prim/Panic.hs
• libraries/ghc-prim/GHC/Prim/PtrEq.hs → libraries/ghc-internal/src/GHC/Internal/Prim/PtrEq.hs
• libraries/ghc-internal/src/GHC/Internal/Profiling.hs
• libraries/ghc-internal/src/GHC/Internal/Ptr.hs
• libraries/ghc-internal/src/GHC/Internal/RTS/Flags.hsc
• + libraries/ghc-internal/src/GHC/Internal/RTS/Flags/Test.hsc
• libraries/ghc-internal/src/GHC/Internal/Read.hs
• libraries/ghc-internal/src/GHC/Internal/Real.hs
• libraries/ghc-internal/src/GHC/Internal/Real.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Records.hs
• − libraries/ghc-internal/src/GHC/Internal/ResponseFile.hs
• libraries/ghc-internal/src/GHC/Internal/ST.hs
• + libraries/ghc-internal/src/GHC/Internal/STM.hs
• libraries/ghc-internal/src/GHC/Internal/STRef.hs
• libraries/ghc-internal/src/GHC/Internal/Show.hs
• libraries/ghc-internal/src/GHC/Internal/Stable.hs
• libraries/ghc-internal/src/GHC/Internal/StableName.hs
• libraries/ghc-internal/src/GHC/Internal/Stack.hs
• libraries/ghc-internal/src/GHC/Internal/Stack.hs-boot
• + libraries/ghc-internal/src/GHC/Internal/Stack/Annotation.hs
• − libraries/ghc-internal/src/GHC/Internal/Stack/CCS.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Stack/CCS.hsc
• libraries/ghc-internal/src/GHC/Internal/Stack/CloneStack.hs
• libraries/ghc-heap/GHC/Exts/Stack/Constants.hsc → libraries/ghc-internal/src/GHC/Internal/Stack/Constants.hsc
• + libraries/ghc-internal/src/GHC/Internal/Stack/ConstantsProf.hsc
• + libraries/ghc-internal/src/GHC/Internal/Stack/Decode.hs
• libraries/ghc-internal/src/GHC/Internal/Stack/Types.hs
• libraries/ghc-internal/src/GHC/Internal/StaticPtr.hs
• libraries/ghc-internal/src/GHC/Internal/StaticPtr/Internal.hs
• libraries/ghc-internal/src/GHC/Internal/Stats.hsc
• libraries/ghc-internal/src/GHC/Internal/Storable.hs
• libraries/ghc-internal/src/GHC/Internal/System/Environment.hs
• libraries/ghc-internal/src/GHC/Internal/System/Environment/Blank.hsc
• libraries/ghc-internal/src/GHC/Internal/System/Environment/ExecutablePath.hsc
• − libraries/ghc-internal/src/GHC/Internal/System/Exit.hs
• libraries/ghc-internal/src/GHC/Internal/System/IO.hs
• libraries/ghc-internal/src/GHC/Internal/System/IO/Error.hs
• libraries/ghc-internal/src/GHC/Internal/System/Mem.hs
• libraries/ghc-internal/src/GHC/Internal/System/Posix/Internals.hs
• libraries/ghc-internal/src/GHC/Internal/System/Posix/Types.hs
• libraries/template-haskell/Language/Haskell/TH/Lib/Internal.hs → libraries/ghc-internal/src/GHC/Internal/TH/Lib.hs
• + libraries/ghc-internal/src/GHC/Internal/TH/Lift.hs
• + libraries/ghc-internal/src/GHC/Internal/TH/Monad.hs
• + libraries/ghc-internal/src/GHC/Internal/TH/Syntax.hs
• libraries/ghc-internal/src/GHC/Internal/Text/ParserCombinators/ReadP.hs
• libraries/ghc-internal/src/GHC/Internal/Text/ParserCombinators/ReadPrec.hs
• libraries/ghc-internal/src/GHC/Internal/Text/Read.hs
• libraries/ghc-internal/src/GHC/Internal/Text/Read/Lex.hs
• libraries/ghc-internal/src/GHC/Internal/TopHandler.hs
• libraries/ghc-prim/GHC/Tuple.hs → libraries/ghc-internal/src/GHC/Internal/Tuple.hs
• libraries/ghc-internal/src/GHC/Internal/Type/Reflection.hs
• libraries/ghc-internal/src/GHC/Internal/TypeError.hs
• libraries/ghc-internal/src/GHC/Internal/TypeLits.hs
• libraries/ghc-internal/src/GHC/Internal/TypeLits/Internal.hs
• libraries/ghc-internal/src/GHC/Internal/TypeNats.hs
• libraries/ghc-internal/src/GHC/Internal/TypeNats/Internal.hs
• libraries/ghc-prim/GHC/Types.hs → libraries/ghc-internal/src/GHC/Internal/Types.hs
• libraries/ghc-internal/src/GHC/Internal/Unicode.hs
• libraries/ghc-internal/src/GHC/Internal/Unicode/Bits.hs
• libraries/ghc-internal/src/GHC/Internal/Unicode/Char/DerivedCoreProperties.hs
• libraries/ghc-internal/src/GHC/Internal/Unicode/Char/UnicodeData/GeneralCategory.hs
• libraries/ghc-internal/src/GHC/Internal/Unicode/Char/UnicodeData/SimpleLowerCaseMapping.hs
• libraries/ghc-internal/src/GHC/Internal/Unicode/Char/UnicodeData/SimpleTitleCaseMapping.hs
• libraries/ghc-internal/src/GHC/Internal/Unicode/Char/UnicodeData/SimpleUpperCaseMapping.hs
• libraries/ghc-internal/src/GHC/Internal/Unicode/Version.hs
• libraries/ghc-internal/src/GHC/Internal/Unsafe/Coerce.hs
• libraries/ghc-internal/src/GHC/Internal/Wasm/Prim.hs
• libraries/ghc-internal/src/GHC/Internal/Wasm/Prim/Conc.hs
• libraries/ghc-internal/src/GHC/Internal/Wasm/Prim/Conc/Internal.hs
• libraries/ghc-internal/src/GHC/Internal/Wasm/Prim/Exports.hs
• libraries/ghc-internal/src/GHC/Internal/Wasm/Prim/Flag.hs
• libraries/ghc-internal/src/GHC/Internal/Wasm/Prim/Imports.hs
• libraries/ghc-internal/src/GHC/Internal/Wasm/Prim/Types.hs
• libraries/ghc-internal/src/GHC/Internal/Weak.hs
• libraries/ghc-internal/src/GHC/Internal/Weak/Finalize.hs
• libraries/ghc-internal/src/GHC/Internal/Windows.hs
• libraries/ghc-internal/src/GHC/Internal/Word.hs
• + libraries/ghc-internal/tests/Makefile
• rts/version.c → libraries/ghc-internal/tests/all.T
• + libraries/ghc-internal/tests/backtraces/Makefile
• + libraries/ghc-internal/tests/backtraces/T14532a.hs
• + libraries/ghc-internal/tests/backtraces/T14532a.stdout
• + libraries/ghc-internal/tests/backtraces/T14532b.hs
• + libraries/ghc-internal/tests/backtraces/T14532b.stdout
• + libraries/ghc-internal/tests/backtraces/T15395.hs
• + libraries/ghc-internal/tests/backtraces/T15395.stdout
• + libraries/ghc-internal/tests/backtraces/T26507.hs
• + libraries/ghc-internal/tests/backtraces/T26507.stderr
• + libraries/ghc-internal/tests/backtraces/all.T
• + libraries/ghc-internal/tests/stack-annotation/Makefile
• + libraries/ghc-internal/tests/stack-annotation/TestUtils.hs
• + libraries/ghc-internal/tests/stack-annotation/all.T
• + libraries/ghc-internal/tests/stack-annotation/ann_frame001.hs
• + libraries/ghc-internal/tests/stack-annotation/ann_frame001.stdout
• + libraries/ghc-internal/tests/stack-annotation/ann_frame002.hs
• + libraries/ghc-internal/tests/stack-annotation/ann_frame002.stdout
• + libraries/ghc-internal/tests/stack-annotation/ann_frame003.hs
• + libraries/ghc-internal/tests/stack-annotation/ann_frame003.stdout
• + libraries/ghc-internal/tests/stack-annotation/ann_frame004.hs
• + libraries/ghc-internal/tests/stack-annotation/ann_frame004.stdout
• + libraries/ghc-internal/tests/stack-annotation/ann_frame005.hs
• + libraries/ghc-internal/tests/stack-annotation/ann_frame005.stdout
• libraries/ghc-internal/tools/ucd2haskell/README.md
• + libraries/ghc-internal/tools/ucd2haskell/exe/Generator/ByteString.hs
• + libraries/ghc-internal/tools/ucd2haskell/exe/Generator/GeneralCategory.hs
• + libraries/ghc-internal/tools/ucd2haskell/exe/Generator/RangeSwitch.hs
• + libraries/ghc-internal/tools/ucd2haskell/exe/Generator/WordEncoding.hs
• − libraries/ghc-internal/tools/ucd2haskell/exe/Parser/Text.hs
• libraries/ghc-internal/tools/ucd2haskell/exe/UCD2Haskell.hs
• + libraries/ghc-internal/tools/ucd2haskell/exe/UCD2Haskell/ModuleGenerators.hs
• libraries/ghc-internal/tools/ucd2haskell/ucd.sh
• libraries/ghc-internal/tools/ucd2haskell/ucd2haskell.cabal
• libraries/ghc-internal/tools/ucd2haskell/unicode_version
• libraries/ghc-bignum/Setup.hs → libraries/ghc-platform/Setup.hs
• libraries/ghc-platform/src/GHC/Platform/ArchOS.hs
• + libraries/ghc-prim/Dummy.hs
• − libraries/ghc-prim/Setup.hs
• − libraries/ghc-prim/cbits/atomic.c
• − libraries/ghc-prim/cbits/mulIntMayOflo.c
• libraries/ghc-prim/changelog.md
• libraries/ghc-prim/ghc-prim.cabal
• − libraries/ghci/GHCi/BinaryArray.hs
• libraries/ghci/GHCi/BreakArray.hs
• + libraries/ghci/GHCi/Coverage.hs
• libraries/ghci/GHCi/CreateBCO.hs
• + libraries/ghci/GHCi/Debugger.hs
• libraries/ghci/GHCi/FFI.hsc
• libraries/ghci/GHCi/InfoTable.hsc
• libraries/ghci/GHCi/Message.hs
• libraries/ghci/GHCi/ObjLink.hs
• libraries/ghci/GHCi/ResolvedBCO.hs
• libraries/ghci/GHCi/Run.hs
• libraries/ghci/GHCi/Server.hs
• libraries/ghci/GHCi/Signals.hs
• libraries/ghci/GHCi/TH.hs
• libraries/ghci/GHCi/TH/Binary.hs
• libraries/ghci/ghci.cabal.in
• libraries/haskeline
• libraries/hpc
• libraries/integer-gmp/integer-gmp.cabal
• libraries/integer-gmp/src/GHC/Integer/GMP/Internals.hs
• + libraries/libffi-clib
• libraries/mtl
• libraries/os-string
• libraries/parsec
• libraries/process
• libraries/semaphore-compat
• libraries/stm
• + libraries/template-haskell-lift
• + libraries/template-haskell-quasiquoter
• libraries/template-haskell/Language/Haskell/TH/Lib.hs
• libraries/template-haskell/Language/Haskell/TH/Ppr.hs
• libraries/template-haskell/Language/Haskell/TH/PprLib.hs
• libraries/template-haskell/Language/Haskell/TH/Quote.hs
• libraries/template-haskell/Language/Haskell/TH/Syntax.hs
• libraries/template-haskell/changelog.md
• libraries/template-haskell/template-haskell.cabal.in
• libraries/template-haskell/tests/all.T
• + libraries/template-haskell/tests/dataToCodeQUnit.hs
• + libraries/template-haskell/tests/dataToCodeQUnit.stdout
• libraries/template-haskell/vendored-filepath/System/FilePath.hs
• libraries/template-haskell/vendored-filepath/System/FilePath/Posix.hs
• libraries/template-haskell/vendored-filepath/System/FilePath/Windows.hs
• libraries/terminfo
• libraries/text
• libraries/time
• libraries/transformers
• libraries/unix
• libraries/xhtml
• linters/lint-codes/LintCodes/Coverage.hs
• linters/lint-codes/LintCodes/Static.hs
• linters/lint-codes/Main.hs
• − linters/lint-codes/Makefile
• linters/lint-notes/Main.hs
• − linters/lint-notes/Makefile
• linters/lint-whitespace/lint-whitespace.cabal
• llvm-passes
• llvm-targets
• − m4/find_ghc_bootstrap_prog.m4
• m4/find_ld.m4
• m4/find_llvm_prog.m4
• m4/find_merge_objects.m4
• m4/find_python.m4
• m4/fp_cc_supports_target.m4
• m4/fp_check_pthreads.m4
• − m4/fp_check_timer_create.m4
• + m4/fp_cmm_cpp_cmd_with_args.m4
• − m4/fp_copy_shellvar.m4
• m4/fp_find_cxx_std_lib.m4
• m4/fp_find_libdw.m4
• m4/fp_find_nm.m4
• m4/fp_gcc_supports_no_pie.m4
• + m4/fp_js_cpp_cmd_with_args.m4
• m4/fp_leading_underscore.m4
• + m4/fp_linker_supports_verbatim.m4
• m4/fp_prog_ar_args.m4
• m4/fp_prog_cc_linker_target.m4
• − m4/fp_prog_context_diff.m4
• − m4/fp_prog_ld_flag.m4
• − m4/fp_prog_sort.m4
• − m4/fp_set_cflags_c99.m4
• m4/fp_setup_project_version.m4
• m4/fp_setup_windows_toolchain.m4
• − m4/fp_visibility_hidden.m4
• m4/fptools_alex.m4
• m4/fptools_ghc_version.m4
• m4/fptools_happy.m4
• m4/fptools_set_c_ld_flags.m4
• m4/fptools_set_haskell_platform_vars.m4
• m4/fptools_set_platform_vars.m4
• m4/ghc_adjustors_method.m4
• + m4/ghc_get_power_abi.m4
• m4/ghc_llvm_target.m4
• m4/ghc_select_file_extensions.m4
• m4/ghc_tables_next_to_code.m4
• m4/ghc_toolchain.m4
• m4/prep_target_file.m4
• m4/fp_settings.m4 → m4/subst_tooldir.m4
• mk/get-win32-tarballs.py
• mk/hsc2hs.in
• mk/project.mk.in
• mk/system-cxx-std-lib-1.0.conf.in
• − mk/win32-tarballs.md5sum
• nofib
• packages
• + rts/.ubsan-suppressions
• − rts/AdjustorAsm.S
• + rts/AllocArray.c
• + rts/AllocArray.h
• rts/Apply.cmm
• rts/AutoApply.h
• + rts/AutoApplyVecs.h
• rts/BeginPrivate.h
• + rts/BuiltinClosures.c
• + rts/BuiltinClosures.h
• rts/Capability.c
• rts/Capability.h
• rts/CheckUnload.c
• + rts/CheckVectorSupport.c
• + rts/CheckVectorSupport.h
• rts/CloneStack.c
• rts/CloneStack.h
• rts/ClosureFlags.c
• + rts/ClosureTable.c
• + rts/ClosureTable.h
• rts/Compact.cmm
• rts/Continuation.c
• rts/ContinuationOps.cmm
• rts/Disassembler.c
• rts/EndPrivate.h
• rts/Exception.cmm
• rts/ExecPage.c
• rts/Hash.c
• rts/Hash.h
• rts/Heap.c
• rts/HeapStackCheck.cmm
• rts/Hpc.c
• rts/IOManager.c
• rts/IOManager.h
• rts/IOManagerInternals.h
• rts/IPE.c
• rts/Inlines.c
• rts/Interpreter.c
• rts/Interpreter.h
• + rts/Jumps.h
• + rts/Jumps_D.cmm
• + rts/Jumps_V16.cmm
• + rts/Jumps_V32.cmm
• + rts/Jumps_V64.cmm
• rts/LdvProfile.c
• rts/Linker.c
• rts/LinkerInternals.h
• − rts/Makefile
• rts/Messages.c
• rts/PathUtils.c
• rts/PathUtils.h
• rts/Prelude.h
• rts/PrimOps.cmm
• rts/Printer.c
• rts/ProfHeap.c
• rts/Profiling.c
• rts/RaiseAsync.c
• rts/RetainerProfile.c
• rts/RetainerSet.c
• rts/RtsAPI.c
• − rts/RtsDllMain.c
• − rts/RtsDllMain.h
• rts/RtsFlags.c
• rts/RtsFlags.h
• rts/RtsMain.c
• rts/RtsMessages.c
• rts/RtsSignals.h
• rts/RtsStartup.c
• rts/RtsSymbols.c
• rts/RtsSymbols.h
• + rts/RtsToHsIface.c
• rts/RtsUtils.c
• rts/STM.c
• rts/STM.h
• rts/Schedule.c
• rts/Stats.c
• rts/StgCRun.c
• rts/StgCRunAsm.S
• rts/StgMiscClosures.cmm
• rts/StgStartup.cmm
• rts/StgStdThunks.cmm
• rts/Task.c
• rts/Task.h
• rts/ThreadLabels.c
• rts/ThreadPaused.c
• rts/Threads.c
• rts/Threads.h
• rts/Ticky.c
• + rts/TimeoutQueue.c
• + rts/TimeoutQueue.h
• rts/Timer.c
• rts/Trace.c
• rts/Trace.h
• rts/TraverseHeap.c
• rts/Updates.h
• rts/Weak.c
• rts/adjustor/LibffiAdjustor.c
• rts/adjustor/NativeAmd64.c
• rts/adjustor/NativeAmd64Asm.S
• rts/adjustor/NativeAmd64Mingw.c
• rts/adjustor/NativeAmd64MingwAsm.S
• − rts/adjustor/NativeIA64.c
• − rts/adjustor/NativePowerPC.c
• rts/adjustor/Nativei386.c
• rts/adjustor/Nativei386Asm.S
• rts/configure.ac
• rts/eventlog/EventLog.c
• rts/eventlog/EventLog.h
• − rts/external-symbols.list.in
• rts/gen_event_types.py
• rts/include/Cmm.h
• rts/include/HsFFI.h
• − rts/include/Makefile
• rts/include/Rts.h
• rts/include/RtsAPI.h
• rts/include/Stg.h
• rts/include/rts/Adjustor.h
• rts/include/rts/Bytecodes.h
• rts/include/rts/Config.h
• rts/include/rts/Constants.h
• rts/include/rts/Flags.h
• rts/include/rts/IPE.h
• rts/include/rts/Messages.h
• rts/include/rts/NonMoving.h
• rts/include/rts/OSThreads.h
• rts/include/rts/PosixSource.h
• + rts/include/rts/RtsToHsIface.h
• rts/include/rts/StableName.h
• rts/include/rts/StablePtr.h
• rts/include/rts/Threads.h
• rts/include/rts/Ticky.h
• rts/include/rts/Timer.h
• rts/include/rts/Types.h
• rts/include/rts/ghc_ffi.h
• rts/include/rts/prof/CCS.h
• rts/include/rts/storage/Block.h
• rts/include/rts/storage/ClosureMacros.h
• rts/include/rts/storage/ClosureTypes.h
• rts/include/rts/storage/Closures.h
• rts/include/rts/storage/GC.h
• rts/include/rts/storage/Heap.h
• rts/include/rts/storage/HeapAlloc.h
• rts/include/rts/storage/InfoTables.h
• rts/include/rts/storage/TSO.h
• − rts/include/stg/DLL.h
• rts/include/stg/MachRegs.h
• rts/include/stg/MachRegs/loongarch64.h
• rts/include/stg/MachRegs/ppc.h
• rts/include/stg/MachRegs/riscv64.h
• rts/include/stg/MachRegs/x86.h
• rts/include/stg/MiscClosures.h
• rts/include/stg/Prim.h
• rts/include/stg/SMP.h
• rts/include/stg/Ticky.h
• rts/include/stg/Types.h
• rts/js/arith.js
• rts/js/environment.js
• rts/js/gc.js
• rts/js/mem.js
• rts/js/profiling.js
• rts/js/rts.js
• rts/js/string.js
• rts/js/thread.js
• rts/js/time.js
• rts/js/verify.js
• rts/linker/Elf.c
• rts/linker/ElfTypes.h
• rts/linker/InitFini.c
• rts/linker/LoadArchive.c
• rts/linker/LoadNativeObjPosix.c
• rts/linker/M32Alloc.c
• rts/linker/MMap.c
• rts/linker/MMap.h
• rts/linker/MachO.c
• rts/linker/MachOTypes.h
• rts/linker/PEi386.c
• rts/linker/PEi386.h
• + rts/linker/ProddableBlocks.c
• + rts/linker/ProddableBlocks.h
• rts/linker/SymbolExtras.c
• rts/linker/SymbolExtras.h
• rts/linker/elf_got.c
• rts/linker/elf_plt.c
• rts/linker/elf_plt.h
• + rts/linker/elf_plt_riscv64.c
• + rts/linker/elf_plt_riscv64.h
• rts/linker/elf_reloc.c
• rts/linker/elf_reloc.h
• rts/linker/elf_reloc_aarch64.c
• rts/linker/elf_reloc_aarch64.h
• + rts/linker/elf_reloc_riscv64.c
• + rts/linker/elf_reloc_riscv64.h
• rts/linker/macho/plt.c
• rts/posix/OSMem.c
• rts/posix/OSThreads.c
• + rts/posix/Poll.c
• + rts/posix/Poll.h
• rts/posix/Signals.c
• rts/posix/Signals.h
• rts/posix/Ticker.c
• + rts/posix/Timeout.c
• + rts/posix/Timeout.h
• rts/posix/ticker/Pthread.c
• − rts/posix/ticker/Setitimer.c
• − rts/posix/ticker/TimerCreate.c
• rts/posix/ticker/TimerFd.c
• + rts/prim/atomic.c
• libraries/ghc-prim/cbits/bitrev.c → rts/prim/bitrev.c
• libraries/ghc-prim/cbits/bswap.c → rts/prim/bswap.c
• libraries/ghc-prim/cbits/clz.c → rts/prim/clz.c
• libraries/ghc-prim/cbits/ctz.c → rts/prim/ctz.c
• + rts/prim/int64x2minmax.c
• libraries/ghc-prim/cbits/longlong.c → rts/prim/longlong.c
• + rts/prim/mulIntMayOflo.c
• libraries/ghc-prim/cbits/pdep.c → rts/prim/pdep.c
• libraries/ghc-prim/cbits/pext.c → rts/prim/pext.c
• libraries/ghc-prim/cbits/popcnt.c → rts/prim/popcnt.c
• + rts/prim/vectorQuotRem.c
• libraries/ghc-prim/cbits/word2float.c → rts/prim/word2float.c
• rts/rts.buildinfo.in
• rts/rts.cabal
• rts/sm/BlockAlloc.c
• rts/sm/Compact.c
• rts/sm/Evac.c
• rts/sm/Evac.h
• rts/sm/Evac_thr.c → rts/sm/Evac_par.c
• rts/sm/GC.c
• rts/sm/GCTDecl.h
• rts/sm/GCThread.h
• rts/sm/NonMoving.c
• rts/sm/NonMoving.h
• rts/sm/NonMovingAllocate.c
• rts/sm/NonMovingMark.c
• rts/sm/Sanity.c
• rts/sm/Scav.c
• rts/sm/Scav_thr.c → rts/sm/Scav_par.c
• rts/sm/Storage.c
• rts/sm/Storage.h
• rts/wasm/JSFFI.c
• rts/wasm/OSMem.c
• rts/wasm/StgRun.c
• rts/wasm/Wasm.S
• rts/wasm/blocker.cmm
• rts/wasm/jsval.cmm
• rts/wasm/scheduler.cmm
• rts/win32/AsyncMIO.c
• rts/win32/AsyncMIO.h
• rts/win32/AsyncWinIO.c
• rts/win32/ConsoleHandler.c
• rts/win32/OSThreads.c
• rts/win32/ThrIOManager.c
• − rts/win32/libHSffi.def
• − rts/win32/libHSghc-internal.def
• − rts/win32/libHSghc-prim.def
• rts/win32/veh_excn.c
• rts/xxhash.h
• testsuite/.gitignore
• testsuite/config/ghc
• + testsuite/driver/_elffile.py
• testsuite/driver/cpu_features.py
• + testsuite/driver/cpuinfo.py
• testsuite/driver/junit.py
• − testsuite/driver/kill_extra_files.py
• testsuite/driver/perf_notes.py
• testsuite/driver/runtests.py
• testsuite/driver/testglobals.py
• testsuite/driver/testlib.py
• testsuite/driver/testutil.py
• testsuite/ghc-config/ghc-config.hs
• + testsuite/ghc-config/hie.yaml
• testsuite/mk/boilerplate.mk
• testsuite/mk/test.mk
• + testsuite/tests/MiniQuickCheck.hs
• + testsuite/tests/ado/OrPatStrictness.hs
• + testsuite/tests/ado/OrPatStrictness.stderr
• + testsuite/tests/ado/OrPatStrictness.stdout
• testsuite/tests/ado/T13242a.stderr
• testsuite/tests/ado/T16135.stderr
• testsuite/tests/ado/ado004.hs
• testsuite/tests/ado/ado004.stderr
• testsuite/tests/ado/all.T
• testsuite/tests/annotations/should_fail/annfail02.hs
• testsuite/tests/annotations/should_fail/annfail02.stderr
• testsuite/tests/annotations/should_fail/annfail03.stderr
• testsuite/tests/annotations/should_fail/annfail04.stderr
• testsuite/tests/annotations/should_fail/annfail06.stderr
• testsuite/tests/annotations/should_fail/annfail09.stderr
• testsuite/tests/annotations/should_fail/annfail10.hs
• testsuite/tests/annotations/should_fail/annfail10.stderr
• testsuite/tests/annotations/should_fail/annfail12.stderr
• testsuite/tests/annotations/should_run/all.T
• testsuite/tests/arityanal/should_compile/Arity01.stderr
• testsuite/tests/arityanal/should_compile/Arity05.stderr
• testsuite/tests/arityanal/should_compile/Arity08.stderr
• testsuite/tests/arityanal/should_compile/Arity11.stderr
• testsuite/tests/arityanal/should_compile/Arity14.stderr
• testsuite/tests/arityanal/should_run/T21694a.stderr
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• + testsuite/tests/rename/should_fail/T12488a.stderr
• + testsuite/tests/rename/should_fail/T12488a_foo.hs
• + testsuite/tests/rename/should_fail/T12488a_foo.stderr
• + testsuite/tests/rename/should_fail/T12488e.hs
• + testsuite/tests/rename/should_fail/T12488e.stderr
• + testsuite/tests/rename/should_fail/T12488g.hs
• + testsuite/tests/rename/should_fail/T12488g.stderr
• testsuite/tests/rename/should_fail/T12681.hs
• testsuite/tests/rename/should_fail/T12681.stderr
• testsuite/tests/rename/should_fail/T12686a.stderr
• testsuite/tests/rename/should_fail/T12686c.stderr
• testsuite/tests/rename/should_fail/T13568.hs
• testsuite/tests/rename/should_fail/T13568.stderr
• testsuite/tests/rename/should_fail/T13644.hs
• testsuite/tests/rename/should_fail/T13644.stderr
• testsuite/tests/rename/should_fail/T13847.hs
• testsuite/tests/rename/should_fail/T13847.stderr
• testsuite/tests/rename/should_fail/T14032c.hs
• testsuite/tests/rename/should_fail/T14032c.stderr
• testsuite/tests/rename/should_fail/T15487.stderr
• testsuite/tests/rename/should_fail/T15828.stderr
• testsuite/tests/rename/should_fail/T16114.stderr
• testsuite/tests/rename/should_fail/T16635b.stderr
• testsuite/tests/rename/should_fail/T17594b.hs
• testsuite/tests/rename/should_fail/T17594b.stderr
• + testsuite/tests/rename/should_fail/T17594b_th.hs
• + testsuite/tests/rename/should_fail/T17594b_th.stderr
• testsuite/tests/rename/should_fail/T18240a.stderr
• testsuite/tests/rename/should_fail/T18740a.stderr
• testsuite/tests/rename/should_fail/T19843c.stderr
• testsuite/tests/rename/should_fail/T19843h.stderr
• testsuite/tests/rename/should_fail/T19843k.stderr
• testsuite/tests/rename/should_fail/T19843l.hs
• testsuite/tests/rename/should_fail/T19843l.stderr
• testsuite/tests/rename/should_fail/T20147.stderr
• testsuite/tests/rename/should_fail/T21605a.stderr
• testsuite/tests/rename/should_fail/T21605b.stderr
• testsuite/tests/rename/should_fail/T22478b.hs
• testsuite/tests/rename/should_fail/T22478b.stderr
• testsuite/tests/rename/should_fail/T22478e.stderr
• testsuite/tests/rename/should_fail/T22478f.stderr
• + testsuite/tests/rename/should_fail/T22581a.hs
• + testsuite/tests/rename/should_fail/T22581a.stderr
• + testsuite/tests/rename/should_fail/T22581a_helper.hs
• + testsuite/tests/rename/should_fail/T22581b.hs
• + testsuite/tests/rename/should_fail/T22581b.stderr
• + testsuite/tests/rename/should_fail/T22581b_helper.hs
• + testsuite/tests/rename/should_fail/T22688.hs
• + testsuite/tests/rename/should_fail/T22688.stderr
• + testsuite/tests/rename/should_fail/T23501_fail.hs
• + testsuite/tests/rename/should_fail/T23501_fail.stderr
• + testsuite/tests/rename/should_fail/T23501_fail_ext.hs
• + testsuite/tests/rename/should_fail/T23501_fail_ext.stderr
• testsuite/tests/rename/should_fail/T23510a.hs
• testsuite/tests/rename/should_fail/T23510a.stderr
• testsuite/tests/rename/should_fail/T23570b.stderr
• testsuite/tests/rename/should_fail/T23740i.stderr
• + testsuite/tests/rename/should_fail/T23982.hs
• + testsuite/tests/rename/should_fail/T23982.stderr
• + testsuite/tests/rename/should_fail/T23982_aux.hs
• + testsuite/tests/rename/should_fail/T23982b.hs
• + testsuite/tests/rename/should_fail/T23982b.stderr
• + testsuite/tests/rename/should_fail/T23982b_aux.hs
• + testsuite/tests/rename/should_fail/T25056.hs
• + testsuite/tests/rename/should_fail/T25056.stderr
• + testsuite/tests/rename/should_fail/T25056a.hs
• + testsuite/tests/rename/should_fail/T25056b.hs
• + testsuite/tests/rename/should_fail/T25437.hs
• + testsuite/tests/rename/should_fail/T25437.stderr
• + testsuite/tests/rename/should_fail/T25877.hs
• + testsuite/tests/rename/should_fail/T25877.stderr
• + testsuite/tests/rename/should_fail/T25877_aux.hs
• + testsuite/tests/rename/should_fail/T25899e1.hs
• + testsuite/tests/rename/should_fail/T25899e1.stderr
• + testsuite/tests/rename/should_fail/T25899e2.hs
• + testsuite/tests/rename/should_fail/T25899e2.stderr
• + testsuite/tests/rename/should_fail/T25899e3.hs
• + testsuite/tests/rename/should_fail/T25899e3.stderr
• + testsuite/tests/rename/should_fail/T25899e_helper.hs
• + testsuite/tests/rename/should_fail/T25899f.hs
• + testsuite/tests/rename/should_fail/T25899f.stderr
• + testsuite/tests/rename/should_fail/T25899f_helper.hs
• + testsuite/tests/rename/should_fail/T25901_exp_fail_1.hs
• + testsuite/tests/rename/should_fail/T25901_exp_fail_1.stderr
• + testsuite/tests/rename/should_fail/T25901_exp_fail_1_helper.hs
• + testsuite/tests/rename/should_fail/T25901_exp_fail_2.hs
• + testsuite/tests/rename/should_fail/T25901_exp_fail_2.stderr
• + testsuite/tests/rename/should_fail/T25901_exp_fail_2_helper.hs
• + testsuite/tests/rename/should_fail/T25901_imp_hq_fail_5.hs
• + testsuite/tests/rename/should_fail/T25901_imp_hq_fail_5.stderr
• + testsuite/tests/rename/should_fail/T25901_imp_hq_fail_6.hs
• + testsuite/tests/rename/should_fail/T25901_imp_hq_fail_6.stderr
• + testsuite/tests/rename/should_fail/T25901_imp_hu_fail_4.hs
• + testsuite/tests/rename/should_fail/T25901_imp_hu_fail_4.stderr
• + testsuite/tests/rename/should_fail/T25901_imp_sq_fail_2.hs
• + testsuite/tests/rename/should_fail/T25901_imp_sq_fail_2.stderr
• + testsuite/tests/rename/should_fail/T25901_imp_sq_fail_3.hs
• + testsuite/tests/rename/should_fail/T25901_imp_sq_fail_3.stderr
• + testsuite/tests/rename/should_fail/T25901_imp_su_fail_1.hs
• + testsuite/tests/rename/should_fail/T25901_imp_su_fail_1.stderr
• + testsuite/tests/rename/should_fail/T25901_sub_a.hs
• + testsuite/tests/rename/should_fail/T25901_sub_a.stderr
• + testsuite/tests/rename/should_fail/T25901_sub_b.hs
• + testsuite/tests/rename/should_fail/T25901_sub_b.stderr
• + testsuite/tests/rename/should_fail/T25901_sub_c.hs
• + testsuite/tests/rename/should_fail/T25901_sub_c.stderr
• + testsuite/tests/rename/should_fail/T25901_sub_c_helper.hs
• + testsuite/tests/rename/should_fail/T25901_sub_d.hs
• + testsuite/tests/rename/should_fail/T25901_sub_d.stderr
• + testsuite/tests/rename/should_fail/T25901_sub_d_helper.hs
• + testsuite/tests/rename/should_fail/T25901_sub_w.hs
• + testsuite/tests/rename/should_fail/T25901_sub_w.stderr
• + testsuite/tests/rename/should_fail/T25984b.hs
• + testsuite/tests/rename/should_fail/T25984b.stderr
• + testsuite/tests/rename/should_fail/T25991b1.hs
• + testsuite/tests/rename/should_fail/T25991b1.stderr
• + testsuite/tests/rename/should_fail/T25991b2.hs
• + testsuite/tests/rename/should_fail/T25991b2.stderr
• + testsuite/tests/rename/should_fail/T25991b_helper.hs
• + testsuite/tests/rename/should_fail/T26545.hs
• + testsuite/tests/rename/should_fail/T26545.stderr
• testsuite/tests/rename/should_fail/T2901.stderr
• testsuite/tests/rename/should_fail/T3265.stderr
• testsuite/tests/rename/should_fail/T5001b.stderr
• testsuite/tests/rename/should_fail/T5385.hs
• testsuite/tests/rename/should_fail/T5385.stderr
• testsuite/tests/rename/should_fail/T5657.stderr
• testsuite/tests/rename/should_fail/T5951.stderr
• testsuite/tests/rename/should_fail/T6148d.stderr
• testsuite/tests/rename/should_fail/T9006.stderr
• testsuite/tests/rename/should_fail/all.T
• testsuite/tests/rename/should_fail/rn_dup.stderr
• testsuite/tests/rename/should_fail/rnfail026.stderr
• testsuite/tests/rename/should_fail/rnfail044.stderr
• testsuite/tests/rename/should_fail/rnfail051.hs
• testsuite/tests/rename/should_fail/rnfail051.stderr
• testsuite/tests/rename/should_fail/rnfail052.stderr
• testsuite/tests/rename/should_fail/rnfail053.stderr
• testsuite/tests/rename/should_fail/rnfail055.stderr
• testsuite/tests/rename/should_fail/rnfail056.stderr
• + testsuite/tests/rep-poly/NoEtaRequired.hs
• testsuite/tests/rep-poly/RepPolyArgument.stderr
• testsuite/tests/rep-poly/RepPolyBackpack1.stderr
• testsuite/tests/rep-poly/RepPolyBackpack3.stderr
• testsuite/tests/rep-poly/RepPolyBinder.stderr
• testsuite/tests/rep-poly/RepPolyCase1.stderr
• − testsuite/tests/rep-poly/RepPolyCase2.stderr
• testsuite/tests/rep-poly/RepPolyDoBind.stderr
• testsuite/tests/rep-poly/RepPolyDoBody1.stderr
• testsuite/tests/rep-poly/RepPolyDoBody2.stderr
• testsuite/tests/rep-poly/RepPolyInferPatBind.stderr
• testsuite/tests/rep-poly/RepPolyInferPatSyn.stderr
• testsuite/tests/rep-poly/RepPolyLeftSection2.stderr
• testsuite/tests/rep-poly/RepPolyMagic.stderr
• testsuite/tests/rep-poly/RepPolyMcBind.stderr
• testsuite/tests/rep-poly/RepPolyMcBody.stderr
• testsuite/tests/rep-poly/RepPolyMcGuard.stderr
• testsuite/tests/rep-poly/RepPolyNPlusK.stderr
• testsuite/tests/rep-poly/RepPolyPatBind.stderr
• testsuite/tests/rep-poly/RepPolyPatSynRes.stderr
• testsuite/tests/rep-poly/RepPolyRecordUpdate.stderr
• testsuite/tests/rep-poly/RepPolyRightSection.stderr
• testsuite/tests/rep-poly/RepPolyRule1.stderr
• testsuite/tests/rep-poly/RepPolyRule3.stderr
• testsuite/tests/rep-poly/RepPolyTuple.stderr
• testsuite/tests/rep-poly/RepPolyTuple3.stderr
• testsuite/tests/rep-poly/RepPolyTuple4.stderr
• testsuite/tests/rep-poly/RepPolyTupleSection.stderr
• testsuite/tests/rep-poly/RepPolyWrappedVar.stderr
• testsuite/tests/rep-poly/T11473.stderr
• testsuite/tests/rep-poly/T12709.stderr
• testsuite/tests/rep-poly/T12973.stderr
• testsuite/tests/rep-poly/T13233.stderr
• testsuite/tests/rep-poly/T13929.stderr
• testsuite/tests/rep-poly/T14561.stderr
• testsuite/tests/rep-poly/T14561b.stderr
• − testsuite/tests/rep-poly/T17021.stderr
• testsuite/tests/rep-poly/T17817.stderr
• testsuite/tests/rep-poly/T19615.stderr
• testsuite/tests/rep-poly/T19709b.stderr
• testsuite/tests/rep-poly/T20363_show_co.stderr
• testsuite/tests/rep-poly/T20363b.stderr
• − testsuite/tests/rep-poly/T21650_a.stderr
• − testsuite/tests/rep-poly/T21650_b.stderr
• testsuite/tests/rep-poly/T21906.stderr
• testsuite/tests/rep-poly/T23153.stderr
• + testsuite/tests/rep-poly/T23153b.hs
• testsuite/tests/rep-poly/T23154.stderr
• + testsuite/tests/rep-poly/T23883a.hs
• + testsuite/tests/rep-poly/T23883a.stderr
• + testsuite/tests/rep-poly/T23883b.hs
• + testsuite/tests/rep-poly/T23883b.stderr
• + testsuite/tests/rep-poly/T23883c.hs
• + testsuite/tests/rep-poly/T23883c.stderr
• testsuite/tests/rep-poly/T23903.stderr
• + testsuite/tests/rep-poly/T26072.hs
• + testsuite/tests/rep-poly/T26072b.hs
• + testsuite/tests/rep-poly/T26107.hs
• + testsuite/tests/rep-poly/T26528.hs
• testsuite/tests/rep-poly/UnliftedNewtypesCoerceFail.stderr
• testsuite/tests/rep-poly/UnliftedNewtypesLevityBinder.stderr
• testsuite/tests/rep-poly/all.T
• testsuite/tests/roles/should_compile/Roles1.stderr
• testsuite/tests/roles/should_compile/Roles13.stderr
• testsuite/tests/roles/should_compile/Roles14.stderr
• testsuite/tests/roles/should_compile/Roles2.stderr
• testsuite/tests/roles/should_compile/Roles3.stderr
• testsuite/tests/roles/should_compile/Roles4.stderr
• testsuite/tests/roles/should_compile/T8958.stderr
• testsuite/tests/roles/should_fail/Roles10.stderr
• testsuite/tests/roles/should_fail/Roles12.stderr
• testsuite/tests/roles/should_fail/Roles5.hs
• testsuite/tests/roles/should_fail/Roles5.stderr
• testsuite/tests/roles/should_fail/RolesIArray.stderr
• testsuite/tests/roles/should_fail/T23252.stderr
• testsuite/tests/roles/should_fail/T8773.stderr
• testsuite/tests/roles/should_fail/T9204.stderr
• + testsuite/tests/rts/ClosureTable.hs
• + testsuite/tests/rts/ClosureTable_c.c
• testsuite/tests/rts/KeepCafsBase.hs
• testsuite/tests/rts/KeepCafsMain.hs
• testsuite/tests/rts/Makefile
• testsuite/tests/rts/T10672/Makefile
• testsuite/tests/rts/T10672/all.T
• testsuite/tests/rts/T12497.hs
• testsuite/tests/rts/T13082/Makefile
• testsuite/tests/rts/T13082/T13082_fail.stderr → testsuite/tests/rts/T13082/T13082_fail.stdout
• testsuite/tests/rts/T13676.script
• testsuite/tests/rts/T13832.stderr
• testsuite/tests/rts/T13894.hs
• + testsuite/tests/rts/T14497-compact.hs
• + testsuite/tests/rts/T14497-compact.stdout
• testsuite/tests/rts/T1791/Makefile
• + testsuite/tests/rts/T20201a.hs
• + testsuite/tests/rts/T20201a.stderr
• + testsuite/tests/rts/T20201b.hs
• + testsuite/tests/rts/T20201b.stderr
• + testsuite/tests/rts/T22859.hs
• + testsuite/tests/rts/T22859.stderr
• testsuite/tests/rts/T23221.hs
• + testsuite/tests/rts/T24142.hs
• + testsuite/tests/rts/T24142.stdout
• + testsuite/tests/rts/T25198/T25198.hs
• + testsuite/tests/rts/T25198/T25198.stderr
• + testsuite/tests/rts/T25198/all.T
• + testsuite/tests/rts/T25232.hs
• + testsuite/tests/rts/T25280.hs
• + testsuite/tests/rts/T25560.hs
• + testsuite/tests/rts/T27131.hs
• + testsuite/tests/rts/T27131.stdout
• + testsuite/tests/rts/T27131_c.c
• testsuite/tests/rts/T2783.stderr
• testsuite/tests/rts/T7037_main.c
• testsuite/tests/rts/T7040_ghci_c.c
• testsuite/tests/rts/T7087.stderr
• testsuite/tests/rts/T7636.stderr
• + testsuite/tests/rts/TestProddableBlockSet.c
• + testsuite/tests/rts/TimeoutQueue.c
• + testsuite/tests/rts/TimeoutQueue.stdout
• testsuite/tests/rts/all.T
• testsuite/tests/rts/atomicinc.c
• testsuite/tests/rts/cloneStackLib.c
• + testsuite/tests/rts/cloneThreadStackMigrating.hs
• testsuite/tests/rts/continuations/cont_missing_prompt_err.stderr
• testsuite/tests/rts/exec_signals_child.c
• testsuite/tests/rts/flags/all.T
• testsuite/tests/rts/ipe/IpeStats/Makefile
• testsuite/tests/rts/ipe/T24005/t24005.hs
• testsuite/tests/rts/ipe/all.T
• + testsuite/tests/rts/ipe/distinct-tables/Main.hs
• + testsuite/tests/rts/ipe/distinct-tables/Makefile
• + testsuite/tests/rts/ipe/distinct-tables/X.hs
• + testsuite/tests/rts/ipe/distinct-tables/all.T
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables01.stdout
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables02.stdout
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables03.stdout
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables04.stdout
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables05.stdout
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables06.stdout
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables07.stdout
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables08.stdout
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables09.stdout
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables10.stdout
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables11.stdout
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables12.stdout
• + testsuite/tests/rts/ipe/distinct-tables/distinct_tables13.stdout
• testsuite/tests/rts/ipe/ipeEventLog.stderr
• testsuite/tests/rts/ipe/ipeEventLog_fromMap.stderr
• testsuite/tests/rts/ipe/ipeMap.c
• testsuite/tests/rts/ipe/ipe_lib.c
• testsuite/tests/rts/linker/Makefile
• testsuite/tests/rts/linker/T11223/Makefile
• testsuite/tests/rts/linker/T11223/T11223_link_order_a_b_2_fail.stderr
• − testsuite/tests/rts/linker/T11223/T11223_link_order_a_b_2_fail.stderr-ws-32-mingw32
• testsuite/tests/rts/linker/T11223/T11223_link_order_a_b_2_fail.stderr-ws-64-mingw32
• testsuite/tests/rts/linker/T11223/T11223_simple_duplicate_lib.stderr
• − testsuite/tests/rts/linker/T11223/T11223_simple_duplicate_lib.stderr-ws-32-mingw32
• testsuite/tests/rts/linker/T11223/T11223_simple_duplicate_lib.stderr-ws-64-mingw32
• testsuite/tests/rts/linker/T11223/all.T
• + testsuite/tests/rts/linker/T25191.hs
• + testsuite/tests/rts/linker/T25191.stdout
• + testsuite/tests/rts/linker/T25191_foo1.c
• + testsuite/tests/rts/linker/T25191_foo2.c
• testsuite/tests/rts/linker/T2615.hs
• + testsuite/tests/rts/linker/T27072/Lib.c
• + testsuite/tests/rts/linker/T27072/Makefile
• + testsuite/tests/rts/linker/T27072/T27072.stdout
• + testsuite/tests/rts/linker/T27072/all.T
• + testsuite/tests/rts/linker/T27072/main.c
• + testsuite/tests/rts/linker/T6107.hs
• + testsuite/tests/rts/linker/T6107.stdout
• + testsuite/tests/rts/linker/T6107_sym1.s
• + testsuite/tests/rts/linker/T6107_sym2.s
• testsuite/tests/rts/linker/T7072-obj.c → testsuite/tests/rts/linker/T7072.c
• testsuite/tests/rts/linker/all.T
• testsuite/tests/rts/linker/T7072-main.c → testsuite/tests/rts/linker/load-object.c
• testsuite/tests/rts/linker/rdynamic.hs
• + testsuite/tests/rts/linker/reloc-none.c
• + testsuite/tests/rts/linker/reloc-none.stderr
• − testsuite/tests/rts/outofmem.stderr-i386-apple-darwin
• − testsuite/tests/rts/outofmem.stderr-i386-unknown-mingw32
• − testsuite/tests/rts/outofmem.stderr-powerpc-apple-darwin
• testsuite/tests/rts/pause-resume/list_threads_and_misc_roots_c.c
• + testsuite/tests/rts/resizeMutableByteArrayInPlace.hs
• testsuite/tests/rts/testwsdeque.c
• testsuite/tests/runghc/Makefile
• + testsuite/tests/runghc/T16145.hs
• + testsuite/tests/runghc/T16145.stdout
• + testsuite/tests/runghc/T16145_aux.hs
• testsuite/tests/runghc/T7859.stderr
• testsuite/tests/runghc/T7859.stderr-mingw32
• testsuite/tests/runghc/all.T
• testsuite/tests/safeHaskell/check/pkg01/all.T
• testsuite/tests/safeHaskell/flags/SafeFlags17.stderr
• testsuite/tests/safeHaskell/ghci/p12.stderr
• testsuite/tests/safeHaskell/ghci/p16.stderr
• testsuite/tests/safeHaskell/ghci/p4.stderr
• testsuite/tests/safeHaskell/ghci/p5.stderr
• testsuite/tests/safeHaskell/safeLanguage/SafeLang09.stderr
• testsuite/tests/safeHaskell/safeLanguage/SafeLang12.stderr
• testsuite/tests/safeHaskell/safeLanguage/SafeLang15.stderr
• testsuite/tests/safeHaskell/safeLanguage/SafeLang18.hs
• testsuite/tests/safeHaskell/unsafeLibs/GoodImport03.hs
• testsuite/tests/safeHaskell/unsafeLibs/T21433.stderr
• testsuite/tests/saks/should_compile/saks023.stdout
• testsuite/tests/saks/should_compile/saks034.stdout
• testsuite/tests/saks/should_compile/saks035.stdout
• testsuite/tests/saks/should_fail/T16722.stderr
• testsuite/tests/saks/should_fail/saks_fail001.stderr
• testsuite/tests/saks/should_fail/saks_fail003.stderr
• testsuite/tests/showIface/DocsInHiFile.hs
• testsuite/tests/showIface/DocsInHiFile1.stdout
• testsuite/tests/showIface/DocsInHiFileTH.hs
• testsuite/tests/showIface/DocsInHiFileTH.stdout
• testsuite/tests/showIface/DocsInHiFileTHExternal.hs
• testsuite/tests/showIface/HaddockIssue849.hs
• testsuite/tests/showIface/HaddockIssue849.stdout
• testsuite/tests/showIface/HaddockOpts.hs
• testsuite/tests/showIface/HaddockOpts.stdout
• testsuite/tests/showIface/HaddockSpanIssueT24378.hs
• testsuite/tests/showIface/HaddockSpanIssueT24378.stdout
• testsuite/tests/showIface/LanguageExts.stdout
• testsuite/tests/showIface/MagicHashInHaddocks.hs
• testsuite/tests/showIface/MagicHashInHaddocks.stdout
• testsuite/tests/showIface/Makefile
• testsuite/tests/showIface/NoExportList.hs
• testsuite/tests/showIface/NoExportList.stdout
• testsuite/tests/showIface/Orphans.stdout
• testsuite/tests/showIface/PragmaDocs.stdout
• testsuite/tests/showIface/ReExports.stdout
• + testsuite/tests/showIface/T26246a.hs
• + testsuite/tests/showIface/T26246a.stdout
• testsuite/tests/showIface/all.T
• + testsuite/tests/simd/should_run/FloatConstant.hs
• + testsuite/tests/simd/should_run/FloatConstant.stdout
• + testsuite/tests/simd/should_run/IntConstant.hs
• + testsuite/tests/simd/should_run/IntConstant.stdout
• + testsuite/tests/simd/should_run/Makefile
• + testsuite/tests/simd/should_run/Simd009b.hs
• + testsuite/tests/simd/should_run/Simd009c.hs
• + testsuite/tests/simd/should_run/StackAlignment32.hs
• + testsuite/tests/simd/should_run/StackAlignment32.stdout
• + testsuite/tests/simd/should_run/StackAlignment32_main.c
• + testsuite/tests/simd/should_run/StackAlignment64.hs
• + testsuite/tests/simd/should_run/StackAlignment64.stdout
• + testsuite/tests/simd/should_run/StackAlignment64_main.c
• testsuite/tests/unboxedsums/T22187.hs → testsuite/tests/simd/should_run/T22187.hs
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• testsuite/tests/simplCore/T9646/Main.hs
• testsuite/tests/simplCore/T9646/StrictPrim.hs
• testsuite/tests/simplCore/T9646/test.T
• testsuite/tests/simplCore/should_compile/DataToTagFamilyScrut.stderr
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• testsuite/tests/simplCore/should_fail/T7411.stderr
• testsuite/tests/simplCore/should_fail/all.T
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• testsuite/tests/simplCore/should_run/simplrun009.hs
• testsuite/tests/simplStg/should_compile/T15226b.hs
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• testsuite/tests/simplStg/should_compile/T22840.stderr
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• testsuite/tests/simplStg/should_compile/all.T
• testsuite/tests/simplStg/should_compile/inferTags002.stderr
• testsuite/tests/simplStg/should_compile/inferTags003.stderr
• testsuite/tests/simplStg/should_compile/inferTags004.hs
• testsuite/tests/simplStg/should_compile/inferTags004.stderr
• testsuite/tests/simplStg/should_run/all.T
• + testsuite/tests/simplStg/should_run/unpack_enum.hs
• + testsuite/tests/simplStg/should_run/unpack_enum.stdout
• + testsuite/tests/splice-imports/ClassA.hs
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• + testsuite/tests/splice-imports/DodgyLevelExport.stderr
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• + testsuite/tests/splice-imports/LevelImportExports.stdout
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• + testsuite/tests/splice-imports/Makefile
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• testsuite/tests/tcplugins/Common.hs
• testsuite/tests/tcplugins/CtIdPlugin.hs
• testsuite/tests/tcplugins/EmitWantedPlugin.hs
• testsuite/tests/tcplugins/RewritePerfPlugin.hs
• testsuite/tests/tcplugins/RewritePlugin.hs
• testsuite/tests/typecheck/should_compile/T11462.hs → testsuite/tests/tcplugins/T11462.hs
• testsuite/tests/typecheck/should_compile/T11462_Plugin.hs → testsuite/tests/tcplugins/T11462_Plugin.hs
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• testsuite/tests/typecheck/should_compile/T11525_Plugin.hs → testsuite/tests/tcplugins/T11525_Plugin.hs
• + testsuite/tests/tcplugins/T26395.hs
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• + testsuite/tests/tcplugins/T26395_Plugin.hs
• + testsuite/tests/tcplugins/TcPlugin_InitStop_Ghci.hs
• + testsuite/tests/tcplugins/TcPlugin_InitStop_Ghci.script
• + testsuite/tests/tcplugins/TcPlugin_InitStop_Ghci.stderr
• + testsuite/tests/tcplugins/TcPlugin_InitStop_Ghci.stdout
• + testsuite/tests/tcplugins/TcPlugin_InitStop_NoCode.hs
• + testsuite/tests/tcplugins/TcPlugin_InitStop_NoCode.hs-boot
• + testsuite/tests/tcplugins/TcPlugin_InitStop_NoCode.stderr
• + testsuite/tests/tcplugins/TcPlugin_InitStop_NoCode_aux.hs
• + testsuite/tests/tcplugins/TcPlugin_InitStop_Warn.hs
• + testsuite/tests/tcplugins/TcPlugin_InitStop_Warn.stderr
• testsuite/tests/tcplugins/TyFamPlugin.hs
• testsuite/tests/tcplugins/all.T
• + testsuite/tests/tcplugins/tc-plugin-initstop/Makefile
• + testsuite/tests/tcplugins/tc-plugin-initstop/Setup.hs
• + testsuite/tests/tcplugins/tc-plugin-initstop/TcPlugin_InitStop_Plugin.hs
• + testsuite/tests/tcplugins/tc-plugin-initstop/tc-plugin-initstop.cabal
• testsuite/tests/th/ClosedFam1TH.stderr
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• + testsuite/tests/th/EmptyParStmt.hs
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• + testsuite/tests/th/FunNameTH.hs
• + testsuite/tests/th/GadtConSigs_th_dump1.hs
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• + testsuite/tests/th/GadtConSigs_th_pprint1.hs
• + testsuite/tests/th/GadtConSigs_th_pprint1.stderr
• testsuite/tests/th/ListTuplePunsTH.stderr
• testsuite/tests/th/Makefile
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• testsuite/tests/th/T10267.stderr
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• + testsuite/tests/th/TH_MultilineStrings.stdout
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• testsuite/tests/th/all.T
• testsuite/tests/th/overloaded/TH_overloaded_constraints_fail.stderr
• testsuite/tests/th/overloaded/TH_overloaded_csp.stdout
• testsuite/tests/th/overloaded/TH_overloaded_extract.stdout
• + testsuite/tests/th/should_compile/T24870/Def.hs
• + testsuite/tests/th/should_compile/T24870/Use.hs
• + testsuite/tests/th/should_compile/T24870/all.T
• + testsuite/tests/th/wasm/T25473A.hs
• + testsuite/tests/th/wasm/T25473B.hs
• + testsuite/tests/th/wasm/all.T
• testsuite/tests/type-data/should_fail/TDNoPragma.stderr
• testsuite/tests/type-data/should_fail/TDPattern.stderr
• testsuite/tests/type-data/should_run/T22332a.stderr
• + testsuite/tests/typecheck/T13180/T13180.hs
• + testsuite/tests/typecheck/T13180/T13180.hs-boot
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• testsuite/tests/typecheck/T16127/T16127.stderr
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• + testsuite/tests/typecheck/T24026/all.T
• testsuite/tests/typecheck/bug1465/bug1465.stderr
• testsuite/tests/typecheck/no_skolem_info/T10946_sk.stderr
• testsuite/tests/typecheck/no_skolem_info/T13499.stderr
• testsuite/tests/typecheck/no_skolem_info/T14040.stderr
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• testsuite/tests/typecheck/no_skolem_info/T20232.hs
• testsuite/tests/typecheck/no_skolem_info/T20232.stderr
• + testsuite/tests/typecheck/should_compile/ExpansionQLIm.hs
• testsuite/tests/typecheck/should_compile/FloatFDs.hs
• testsuite/tests/typecheck/should_compile/InstanceGivenOverlap.hs
• testsuite/tests/typecheck/should_compile/LocalGivenEqs.hs
• testsuite/tests/typecheck/should_compile/LocalGivenEqs2.hs
• + testsuite/tests/typecheck/should_compile/LocalGivenEqs2.stderr
• testsuite/tests/typecheck/should_compile/LoopOfTheDay1.hs
• testsuite/tests/typecheck/should_compile/LoopOfTheDay2.hs
• testsuite/tests/typecheck/should_compile/LoopOfTheDay3.hs
• testsuite/tests/typecheck/should_compile/Makefile
• testsuite/tests/typecheck/should_compile/MutRec.hs
• + testsuite/tests/typecheck/should_compile/RuleEqs.hs
• + testsuite/tests/typecheck/should_compile/RuleEqs.stderr
• testsuite/tests/typecheck/should_compile/T10504.stderr
• testsuite/tests/typecheck/should_compile/T10770a.hs
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• testsuite/tests/typecheck/should_compile/T11339.hs
• testsuite/tests/typecheck/should_compile/T11339.stderr
• testsuite/tests/typecheck/should_compile/T11397.hs
• + testsuite/tests/typecheck/should_compile/T11505Bar.hs
• + testsuite/tests/typecheck/should_compile/T11505Foo.hs
• + testsuite/tests/typecheck/should_compile/T11505Foo.hs-boot
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• testsuite/tests/typecheck/should_compile/T12427a.stderr
• testsuite/tests/typecheck/should_compile/T12763.stderr
• testsuite/tests/typecheck/should_compile/T13032.stderr
• testsuite/tests/typecheck/should_compile/T13050.stderr
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• + utils/haddock/CHANGES.md
• + utils/haddock/CONTRIBUTING.md
• + utils/haddock/LICENSE
• + utils/haddock/Makefile
• + utils/haddock/README.md
• + utils/haddock/Setup.lhs
• + utils/haddock/cabal.project
• + utils/haddock/doc/.gitignore
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• + utils/haddock/doc/README.md
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• + utils/haddock/doc/cheatsheet/LICENSE
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• + utils/haddock/html-test/src/B.hs
• + utils/haddock/html-test/src/Bold.hs
• + utils/haddock/html-test/src/Bug1.hs
• + utils/haddock/html-test/src/Bug1004.hs
• + utils/haddock/html-test/src/Bug1033.hs
• + utils/haddock/html-test/src/Bug1035.hs
• + utils/haddock/html-test/src/Bug1050.hs
• + utils/haddock/html-test/src/Bug1054.hs
• + utils/haddock/html-test/src/Bug1063.hs
• + utils/haddock/html-test/src/Bug1067A.hs
• + utils/haddock/html-test/src/Bug1067B.hs
• + utils/haddock/html-test/src/Bug1103.hs
• + utils/haddock/html-test/src/Bug195.hs
• + utils/haddock/html-test/src/Bug2.hs
• + utils/haddock/html-test/src/Bug201.hs
• + utils/haddock/html-test/src/Bug253.hs
• + utils/haddock/html-test/src/Bug25739.hs
• + utils/haddock/html-test/src/Bug26.hs
• + utils/haddock/html-test/src/Bug26246.hs
• + utils/haddock/html-test/src/Bug280.hs
• + utils/haddock/html-test/src/Bug294.hs
• + utils/haddock/html-test/src/Bug298.hs
• + utils/haddock/html-test/src/Bug3.hs
• + utils/haddock/html-test/src/Bug308.hs
• + utils/haddock/html-test/src/Bug308CrossModule.hs
• + utils/haddock/html-test/src/Bug310.hs
• + utils/haddock/html-test/src/Bug313.hs
• + utils/haddock/html-test/src/Bug335.hs
• + utils/haddock/html-test/src/Bug4.hs
• + utils/haddock/html-test/src/Bug458.hs
• + utils/haddock/html-test/src/Bug466.hs
• + utils/haddock/html-test/src/Bug546.hs
• + utils/haddock/html-test/src/Bug548.hs
• + utils/haddock/html-test/src/Bug574.hs
• + utils/haddock/html-test/src/Bug6.hs
• + utils/haddock/html-test/src/Bug613.hs
• + utils/haddock/html-test/src/Bug647.hs
• + utils/haddock/html-test/src/Bug679.hs
• + utils/haddock/html-test/src/Bug7.hs
• + utils/haddock/html-test/src/Bug8.hs
• + utils/haddock/html-test/src/Bug85.hs
• + utils/haddock/html-test/src/Bug865.hs
• + utils/haddock/html-test/src/Bug923.hs
• + utils/haddock/html-test/src/Bug952.hs
• + utils/haddock/html-test/src/Bug953.hs
• + utils/haddock/html-test/src/Bug973.hs
• + utils/haddock/html-test/src/BugDeprecated.hs
• + utils/haddock/html-test/src/BugExportHeadings.hs
• + utils/haddock/html-test/src/Bugs.hs
• + utils/haddock/html-test/src/BundledPatterns.hs
• + utils/haddock/html-test/src/BundledPatterns2.hs
• + utils/haddock/html-test/src/ConstructorArgs.hs
• + utils/haddock/html-test/src/ConstructorPatternExport.hs
• + utils/haddock/html-test/src/CrossPackageDocs.hs_hidden
• + utils/haddock/html-test/src/DefaultAssociatedTypes.hs
• + utils/haddock/html-test/src/DefaultSignatures.hs
• + utils/haddock/html-test/src/DeprecatedClass.hs
• + utils/haddock/html-test/src/DeprecatedData.hs
• + utils/haddock/html-test/src/DeprecatedFunction.hs
• + utils/haddock/html-test/src/DeprecatedFunction2.hs
• + utils/haddock/html-test/src/DeprecatedFunction3.hs
• + utils/haddock/html-test/src/DeprecatedModule.hs
• + utils/haddock/html-test/src/DeprecatedModule2.hs
• + utils/haddock/html-test/src/DeprecatedNewtype.hs
• + utils/haddock/html-test/src/DeprecatedReExport.hs
• + utils/haddock/html-test/src/DeprecatedRecord.hs
• + utils/haddock/html-test/src/DeprecatedTypeFamily.hs
• + utils/haddock/html-test/src/DeprecatedTypeSynonym.hs
• + utils/haddock/html-test/src/DuplicateRecordFields.hs
• + utils/haddock/html-test/src/Examples.hs
• + utils/haddock/html-test/src/ExportSince1.hs
• + utils/haddock/html-test/src/ExportSince2.hs
• + utils/haddock/html-test/src/Extensions.hs
• + utils/haddock/html-test/src/FunArgs.hs
• + utils/haddock/html-test/src/GADTRecords.hs
• + utils/haddock/html-test/src/GadtConstructorArgs.hs
• + utils/haddock/html-test/src/Hash.hs
• + utils/haddock/html-test/src/Hidden.hs
• + utils/haddock/html-test/src/HiddenInstances.hs
• + utils/haddock/html-test/src/HiddenInstancesA.hs
• + utils/haddock/html-test/src/HiddenInstancesB.hs
• + utils/haddock/html-test/src/Hyperlinks.hs
• + utils/haddock/html-test/src/Identifiers.hs
• + utils/haddock/html-test/src/IgnoreExports.hs
• + utils/haddock/html-test/src/ImplicitParams.hs
• + utils/haddock/html-test/src/Instances.hs
• + utils/haddock/html-test/src/LinearTypes.hs
• + utils/haddock/html-test/src/Math.hs
• + utils/haddock/html-test/src/Minimal.hs
• + utils/haddock/html-test/src/ModuleWithWarning.hs
• + utils/haddock/html-test/src/NamedDoc.hs
• + utils/haddock/html-test/src/NamespacedIdentifiers.hs
• + utils/haddock/html-test/src/Nesting.hs
• + utils/haddock/html-test/src/NoLayout.hs
• + utils/haddock/html-test/src/NonGreedy.hs
• + utils/haddock/html-test/src/Operators.hs
• + utils/haddock/html-test/src/OrphanInstances.hs
• + utils/haddock/html-test/src/OrphanInstancesClass.hs
• + utils/haddock/html-test/src/OrphanInstancesType.hs
• + utils/haddock/html-test/src/PR643.hs
• + utils/haddock/html-test/src/PR643_1.hs
• + utils/haddock/html-test/src/PatternSyns.hs
• + utils/haddock/html-test/src/PatternSyns2.hs
• + utils/haddock/html-test/src/PromotedTypes.hs
• + utils/haddock/html-test/src/Properties.hs
• + utils/haddock/html-test/src/PruneWithWarning.hs
• + utils/haddock/html-test/src/QuantifiedConstraints.hs
• + utils/haddock/html-test/src/QuasiExpr.hs
• + utils/haddock/html-test/src/QuasiQuote.hs
• + utils/haddock/html-test/src/RedactTypeSynonyms.hs
• + utils/haddock/html-test/src/SectionLabels.hs
• + utils/haddock/html-test/src/SpuriousSuperclassConstraints.hs
• + utils/haddock/html-test/src/T23616.hs
• + utils/haddock/html-test/src/T24294.hs
• + utils/haddock/html-test/src/TH.hs
• + utils/haddock/html-test/src/TH2.hs
• + utils/haddock/html-test/src/Table.hs
• + utils/haddock/html-test/src/Test.hs
• + utils/haddock/html-test/src/Threaded.hs
• + utils/haddock/html-test/src/Threaded_TH.hs
• + utils/haddock/html-test/src/Ticket112.hs
• + utils/haddock/html-test/src/Ticket61.hs
• + utils/haddock/html-test/src/Ticket61_Hidden.hs
• + utils/haddock/html-test/src/Ticket75.hs
• + utils/haddock/html-test/src/TitledPicture.hs
• + utils/haddock/html-test/src/TypeFamilies.hs
• + utils/haddock/html-test/src/TypeFamilies2.hs
• + utils/haddock/html-test/src/TypeFamilies3.hs
• + utils/haddock/html-test/src/TypeOperators.hs
• + utils/haddock/html-test/src/UnboxedStuff.hs
• + utils/haddock/html-test/src/Unicode.hs
• + utils/haddock/html-test/src/Unicode2.hs
• + utils/haddock/html-test/src/Visible.hs
• + utils/haddock/hypsrc-test/Main.hs
• + utils/haddock/hypsrc-test/ref/src/Bug1091.html
• + utils/haddock/hypsrc-test/ref/src/CPP.html
• + utils/haddock/hypsrc-test/ref/src/CallingQuotes.html
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• + utils/haddock/hypsrc-test/ref/src/Operators.html
• + utils/haddock/hypsrc-test/ref/src/Polymorphism.html
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• + utils/haddock/hypsrc-test/ref/src/Quasiquoter.html
• + utils/haddock/hypsrc-test/ref/src/Records.html
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• + utils/haddock/hypsrc-test/ref/src/TemplateHaskellSplices.html
• + utils/haddock/hypsrc-test/ref/src/Types.html
• + utils/haddock/hypsrc-test/ref/src/UsingQuasiquotes.html
• + utils/haddock/hypsrc-test/run
• + utils/haddock/hypsrc-test/src/Bug1091.hs
• + utils/haddock/hypsrc-test/src/CPP.hs
• + utils/haddock/hypsrc-test/src/Classes.hs
• + utils/haddock/hypsrc-test/src/Constructors.hs
• + utils/haddock/hypsrc-test/src/Identifiers.hs
• + utils/haddock/hypsrc-test/src/Include1For1091.h
• + utils/haddock/hypsrc-test/src/Include2For1091.h
• + utils/haddock/hypsrc-test/src/LinkingIdentifiers.hs
• + utils/haddock/hypsrc-test/src/Literals.hs
• + utils/haddock/hypsrc-test/src/Operators.hs
• + utils/haddock/hypsrc-test/src/Polymorphism.hs
• + utils/haddock/hypsrc-test/src/PositionPragmas.hs
• + utils/haddock/hypsrc-test/src/Quasiquoter.hs
• + utils/haddock/hypsrc-test/src/Records.hs
• + utils/haddock/hypsrc-test/src/TemplateHaskellQuasiquotes.hs
• + utils/haddock/hypsrc-test/src/TemplateHaskellSplices.hs
• + utils/haddock/hypsrc-test/src/Types.hs
• + utils/haddock/hypsrc-test/src/UsingQuasiquotes.hs
• + utils/haddock/latex-test/Main.hs
• + utils/haddock/latex-test/ref/ConstructorArgs/ConstructorArgs.tex
• + utils/haddock/latex-test/ref/DefaultSignatures/DefaultSignatures.tex
• + utils/haddock/latex-test/ref/Deprecated/Deprecated.tex
• + utils/haddock/latex-test/ref/Example/Example.tex
• + utils/haddock/latex-test/ref/GadtConstructorArgs/GadtConstructorArgs.tex
• + utils/haddock/latex-test/ref/LinearTypes/LinearTypes.tex
• + utils/haddock/latex-test/ref/LinearTypes/haddock.sty
• + utils/haddock/latex-test/ref/LinearTypes/main.tex
• + utils/haddock/latex-test/ref/NamespacedIdentifier/NamespacedIdentifiers.tex
• + utils/haddock/latex-test/ref/RedactTypeSynonyms/RedactTypeSynonyms.tex
• + utils/haddock/latex-test/ref/Simple/Simple.tex
• + utils/haddock/latex-test/ref/TypeFamilies3/TypeFamilies3.tex
• + utils/haddock/latex-test/ref/UnboxedStuff/UnboxedStuff.tex
• + utils/haddock/latex-test/run
• + utils/haddock/latex-test/src/ConstructorArgs/ConstructorArgs.hs
• + utils/haddock/latex-test/src/DefaultSignatures/DefaultSignatures.hs
• + utils/haddock/latex-test/src/Deprecated/Deprecated.hs
• + utils/haddock/latex-test/src/Example/Example.hs
• + utils/haddock/latex-test/src/GadtConstructorArgs/GadtConstructorArgs.hs
• + utils/haddock/latex-test/src/LinearTypes/LinearTypes.hs
• + utils/haddock/latex-test/src/NamespacedIdentifier/NamespacedIdentifier.hs
• + utils/haddock/latex-test/src/RedactTypeSynonyms/RedactTypeSynonyms.hs
• + utils/haddock/latex-test/src/Simple/Simple.hs
• + utils/haddock/latex-test/src/TypeFamilies3/TypeFamilies3.hs
• + utils/haddock/latex-test/src/UnboxedStuff/UnboxedStuff.hs
• − utils/hp2ps/Makefile
• utils/hp2ps/Utilities.c
• − utils/hp2ps/hp2ps.wrapper
• utils/hpc
• utils/hsc2hs
• − utils/iserv/Makefile
• − utils/iserv/iserv.cabal.in
• + utils/jsffi/dyld.mjs
• utils/jsffi/post-link.mjs
• utils/jsffi/prelude.js → utils/jsffi/prelude.mjs
• utils/llvm-targets/gen-data-layout.sh
• − utils/remote-iserv/Makefile
• utils/runghc/Main.hs
• − utils/runghc/Makefile
• − utils/runghc/runghc.wrapper
• − utils/unlit/Makefile
• − utils/vagrant/bootstrap-deb.sh
• − utils/vagrant/bootstrap-rhel.sh

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