Ben Gamari pushed to branch wip/T26197 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
  

• 4e1de71c
  by Ben Gamari at 2023-06-21T21:07:48-04:00

  configure: Bump version to 9.9
  
  Bumps haddock submodule.
  

• 5b6612bc
  by Ben Gamari at 2023-06-23T03:56:49-04:00

  rts: Work around missing prototypes errors
  
  Darwin's toolchain inexpliciably claims that `write_barrier` and friends
  have declarations without prototypes, despite the fact that (a) they are
  definitions, and (b) the prototypes appear only a few lines above. Work
  around this by making the definitions proper prototypes.
  

• 43b66a13
  by Matthew Pickering at 2023-06-23T03:57:26-04:00

  ghcup-metadata: Fix date modifier (M = minutes, m = month)
  
  Fixes #23552
  

• 564164ef
  by Luite Stegeman at 2023-06-24T10:27:29+09:00

  Support large stack frames/offsets in GHCi bytecode interpreter
  
  Bytecode instructions like PUSH_L (push a local variable) contain
  an operand that refers to the stack slot. Before this patch, the
  operand type was SmallOp (Word16), limiting the maximum stack
  offset to 65535 words. This could cause compiler panics in some
  cases (See #22888).
  
  This patch changes the operand type for stack offsets from
  SmallOp to Op, removing the stack offset limit.
  
  Fixes #22888
  

• 8d6574bc
  by Sylvain Henry at 2023-06-26T13:15:06-04:00

  JS: support levity-polymorphic datatypes (#22360,#22291)
  
  - thread knowledge about levity into PrimRep instead of panicking
  - JS: remove assumption that unlifted heap objects are rts objects (TVar#, etc.)
  
  Doing this also fixes #22291 (test added).
  
  There is a small performance hit (~1% more allocations).
  
  Metric Increase:
      T18698a
      T18698b
  

• 5578bbad
  by Matthew Pickering at 2023-06-26T13:15:43-04:00

  MR Review Template: Mention "Blocked on Review" label
  
  In order to improve our MR review processes we now have the label
  "Blocked on Review" which allows people to signal that a MR is waiting
  on a review to happen.
  
  See: https://mail.haskell.org/pipermail/ghc-devs/2023-June/021255.html
  

• 4427e9cf
  by Matthew Pickering at 2023-06-26T13:15:43-04:00

  Move MR template to Default.md
  
  This makes it more obvious what you have to modify to affect the default
  template rather than looking in the project settings.
  

• 522bd584
  by Arnaud Spiwack at 2023-06-26T13:16:33-04:00

  Revert "Avoid desugaring non-recursive lets into recursive lets"
  
  This (temporary) reverts commit 3e80c2b40213bebe302b1bd239af48b33f1b30ef.
  
  Fixes #23550
  

• c59fbb0b
  by Torsten Schmits at 2023-06-26T19:34:20+02:00

  Propagate breakpoint information when inlining across modules
  
  Tracking ticket: #23394
  
  MR: !10448
  
  * Add constructor `IfaceBreakpoint` to `IfaceTickish`
  * Store breakpoint data in interface files
  * Store `BreakArray` for the breakpoint's module, not the current module, in BCOs
  * Store module name in BCOs instead of `Unique`, since the `Unique` from an `Iface` doesn't match the modules in GHCi's
    state
  * Allocate module name in `ModBreaks`, like `BreakArray`
  * Lookup breakpoint by module name in GHCi
  * Skip creating breakpoint instructions when no `ModBreaks` are available, rather than injecting `ModBreaks` in the
    linker when breakpoints are enabled, and panicking when `ModBreaks` is missing
  

• 6f904808
  by Greg Steuck at 2023-06-27T16:53:07-04:00

  Remove undefined FP_PROG_LD_BUILD_ID from configure.ac's
  

• e89aa072
  by Andrei Borzenkov at 2023-06-27T16:53:44-04:00

  Remove arity inference in type declarations (#23514)
  
  Arity inference in type declarations was introduced
  as a workaround for the lack of @k-binders.
  
  They were added in 4aea0a72040, so I simplified all
  of this by simply removing arity inference altogether.
  
  This is part of GHC Proposal #425 "Invisible binders in type
  declarations".
  

• 459dee1b
  by Torsten Schmits at 2023-06-27T16:54:20-04:00

  Relax defaulting of RuntimeRep/Levity when printing
  
  Fixes #16468
  
  MR: !10702
  
  Only default RuntimeRep to LiftedRep when variables are bound by the toplevel forall
  

• 151f8f18
  by Torsten Schmits at 2023-06-27T16:54:57-04:00

  Remove duplicate link label in linear types docs
  

• ecdc4353
  by Rodrigo Mesquita at 2023-06-28T12:24:57-04:00

  Stop configuring unused Ld command in `settings`
  
  GHC has no direct dependence on the linker. Rather, we depend upon the C
  compiler for linking and an object-merging program (which is typically
  `ld`) for production of GHCi objects and merging of C stubs into final
  object files.
  
  Despite this, for historical reasons we still recorded information about
  the linker into `settings`. Remove these entries from `settings`,
  `hadrian/cfg/system.config`, as well as the `configure` logic
  responsible for this information.
  
  Closes #23566.
  

• bf9ec3e4
  by Bryan Richter at 2023-06-28T12:25:33-04:00

  Remove extraneous debug output
  

• 7eb68dd6
  by Bryan Richter at 2023-06-28T12:25:33-04:00

  Work with unset vars in -e mode
  

• 49c27936
  by Bryan Richter at 2023-06-28T12:25:33-04:00

  Pass positional arguments in their positions
  
  By quoting $cmd, the default "bash -i" is a single argument to run, and
  no file named "bash -i" actually exists to be run.
  

• 887dc4fc
  by Bryan Richter at 2023-06-28T12:25:33-04:00

  Handle unset value in -e context
  

• 5ffc7d7b
  by Rodrigo Mesquita at 2023-06-28T21:07:36-04:00

  Configure CPP into settings
  
  There is a distinction to be made between the Haskell Preprocessor and
  the C preprocessor. The former is used to preprocess Haskell files,
  while the latter is used in C preprocessing such as Cmm files.
  
  In practice, they are both the same program (usually the C compiler) but
  invoked with different flags.
  
  Previously we would, at configure time, configure the haskell
  preprocessor and save the configuration in the settings file, but,
  instead of doing the same for CPP, we had hardcoded in GHC that the CPP
  program was either `cc -E` or `cpp`.
  
  This commit fixes that asymmetry by also configuring CPP at configure
  time, and tries to make more explicit the difference between HsCpp and
  Cpp (see Note [Preprocessing invocations]).
  
  Note that we don't use the standard CPP and CPPFLAGS to configure Cpp,
  but instead use the non-standard --with-cpp and --with-cpp-flags.
  The reason is that autoconf sets CPP to "$CC -E", whereas we expect the
  CPP command to be configured as a standalone executable rather than a
  command. These are symmetrical with --with-hs-cpp and
  --with-hs-cpp-flags.
  
  Cleanup: Hadrian no longer needs to pass the CPP configuration for CPP
           to be C99 compatible through -optP, since we now configure that
           into settings.
  
  Closes #23422
  

• 5efa9ca5
  by Ben Gamari at 2023-06-28T21:08:13-04:00

  hadrian: Always canonicalize topDirectory
  
  Hadrian's `topDirectory` is intended to provide an absolute path to the
  root of the GHC tree. However, if the tree is reached via a symlink this
  
  One question here is whether the `canonicalizePath` call is expensive
  enough to warrant caching. In a quick microbenchmark I observed that
  `canonicalizePath "."` takes around 10us per call; this seems
  sufficiently low not to worry.
  
  Alternatively, another approach here would have been to rather move the
  canonicalization into `m4/fp_find_root.m4`. This would have avoided
  repeated canonicalization but sadly path canonicalization is a hard
  problem in POSIX shell.
  
  Addresses #22451.
  

• b3e1436f
  by aadaa_fgtaa at 2023-06-28T21:08:53-04:00

  Optimise ELF linker (#23464)
  
  - cache last elements of `relTable`, `relaTable` and `symbolTables` in `ocInit_ELF`
  - cache shndx table in ObjectCode
  - run `checkProddableBlock` only with debug rts
  

• 30525b00
  by Ben Gamari at 2023-06-28T21:09:30-04:00

  compiler: Introduce MO_{ACQUIRE,RELEASE}_FENCE
  

• b787e259
  by Ben Gamari at 2023-06-28T21:09:30-04:00

  compiler: Drop MO_WriteBarrier
  
  rts: Drop write_barrier
  

• 7550b4a5
  by Ben Gamari at 2023-06-28T21:09:30-04:00

  rts: Drop load_store_barrier()
  
  This is no longer used.
  

• d5f2875e
  by Ben Gamari at 2023-06-28T21:09:31-04:00

  rts: Drop last instances of prim_{write,read}_barrier
  

• 965ac2ba
  by Ben Gamari at 2023-06-28T21:09:31-04:00

  rts: Eliminate remaining uses of load_load_barrier
  

• 0fc5cb97
  by Sven Tennie at 2023-06-28T21:09:31-04:00

  compiler: Drop MO_ReadBarrier
  

• 7a7d326c
  by Ben Gamari at 2023-06-28T21:09:31-04:00

  rts: Drop load_load_barrier
  
  This is no longer used.
  

• 9f63da66
  by Sven Tennie at 2023-06-28T21:09:31-04:00

  Delete write_barrier function
  

• bb0ed354
  by Ben Gamari at 2023-06-28T21:09:31-04:00

  rts: Make collectFreshWeakPtrs definition a prototype
  
  x86-64/Darwin's toolchain inexplicably warns that collectFreshWeakPtrs
  needs to be a prototype.
  

• ef81a1eb
  by Sven Tennie at 2023-06-28T21:10:08-04:00

  Fix number of free double regs
  
  D1..D4 are defined for aarch64 and thus not free.
  

• c335fb7c
  by Ryan Scott at 2023-06-28T21:10:44-04:00

  Fix typechecking of promoted empty lists
  
  The `'[]` case in `tc_infer_hs_type` is smart enough to handle arity-0 uses of
  `'[]` (see the newly added `T23543` test case for an example), but the `'[]`
  case in `tc_hs_type` was not. We fix this by changing the `tc_hs_type` case to
  invoke `tc_infer_hs_type`, as prescribed in `Note [Future-proofing the type
  checker]`.
  
  There are some benign changes to test cases' expected output due to the new
  code path using `forall a. [a]` as the kind of `'[]` rather than `[k]`.
  
  Fixes #23543.
  

• fcf310e7
  by Rodrigo Mesquita at 2023-06-28T21:11:21-04:00

  Configure MergeObjs supports response files rather than Ld
  
  The previous configuration script to test whether Ld supported response
  files was
  * Incorrect (see #23542)
  * Used, in practice, to check if the *merge objects tool* supported
    response files.
  
  This commit modifies the macro to run the merge objects tool (rather
  than Ld), using a response file, and checking the result with $NM
  
  Fixes #23542
  

• 78b2f3cc
  by Sylvain Henry at 2023-06-28T21:12:02-04:00

  JS: fix JS stack printing (#23565)
  

• 9f01d14b
  by Matthew Pickering at 2023-06-29T04:13:41-04:00

  Add -fpolymorphic-specialisation flag (off by default at all optimisation levels)
  
  Polymorphic specialisation has led to a number of hard to diagnose
  incorrect runtime result bugs (see #23469, #23109, #21229, #23445) so
  this commit introduces a flag `-fpolymorhphic-specialisation` which
  allows users to turn on this experimental optimisation if they are
  willing to buy into things going very wrong.
  
  Ticket #23469
  

• b1e611d5
  by Ben Gamari at 2023-06-29T04:14:17-04:00

  Rip out runtime linker/compiler checks
  
  We used to choose flags to pass to the toolchain at runtime based on the
  platform running GHC, and in this commit we drop all of those runtime
  linker checks
  
  Ultimately, this represents a change in policy: We no longer adapt at
  runtime to the toolchain being used, but rather make final decisions
  about the toolchain used at /configure time/
  (we have deleted Note [Run-time linker info] altogether!).
  
  This works towards the goal of having all toolchain configuration logic
  living in the same place, which facilities the work towards a
  runtime-retargetable GHC (see #19877).
  
  As of this commit, the runtime linker/compiler logic was moved to
  autoconf, but soon it, and the rest of the existing toolchain
  configuration logic, will live in the standalone ghc-toolchain program
  (see !9263)
  
  In particular, what used to be done at runtime is now as follows:
  * The flags -Wl,--no-as-needed for needed shared libs are configured
    into settings
  * The flag -fstack-check is configured into settings
  * The check for broken tables-next-to-code was outdated
  * We use the configured c compiler by default as the assembler program
  * We drop `asmOpts` because we already configure -Qunused-arguments flag
    into settings (see !10589)
  
  Fixes #23562
  
  Co-author: Rodrigo Mesquita (@alt-romes)
  

• 8b35e8ca
  by Ben Gamari at 2023-06-29T18:46:12-04:00

  Define FFI_GO_CLOSURES
  
  The libffi shipped with Apple's XCode toolchain does not contain a
  definition of the FFI_GO_CLOSURES macro, despite containing references
  to said macro. Work around this by defining the macro, following the
  model of a similar workaround in OpenJDK [1].
  
  [1] https://github.com/openjdk/jdk17u-dev/pull/741/files
  

• d7ef1704
  by Ben Gamari at 2023-06-29T18:46:12-04:00

  base: Fix incorrect CPP guard
  
  This was guarded on `darwin_HOST_OS` instead of `defined(darwin_HOST_OS)`.
  

• 7c7d1f66
  by Ben Gamari at 2023-06-29T18:46:48-04:00

  rts/Trace: Ensure that debugTrace arguments are used
  
  As debugTrace is a macro we must take care to ensure that
  the fact is clear to the compiler lest we see warnings.
  

• cb92051e
  by Ben Gamari at 2023-06-29T18:46:48-04:00

  rts: Various warnings fixes
  

• dec81dd1
  by Ben Gamari at 2023-06-29T18:46:48-04:00

  hadrian: Ignore warnings in unix and semaphore-compat
  

• d7f6448a
  by Matthew Pickering at 2023-06-30T12:38:43-04:00

  hadrian: Fix dependencies of docs:* rule
  
  For the docs:* rule we need to actually build the package rather than
  just the haddocks for the dependent packages. Therefore we depend on the
  .conf files of the packages we are trying to build documentation for as
  well as the .haddock files.
  
  Fixes #23472
  

• cec90389
  by sheaf at 2023-06-30T12:39:27-04:00

  Add tests for #22106
  
  Fixes #22106
  

• 083794b1
  by Torsten Schmits at 2023-07-03T03:27:27-04:00

  Add -fbreak-points to control breakpoint insertion
  
  Rather than statically enabling breakpoints only for the interpreter,
  this adds a new flag.
  
  Tracking ticket: #23057
  
  MR: !10466
  

• fd8c5769
  by Ben Gamari at 2023-07-03T03:28:04-04:00

  rts: Ensure that pinned allocations respect block size
  
  Previously, it was possible for pinned, aligned allocation requests to
  allocate beyond the end of the pinned accumulator block. Specifically,
  we failed to account for the padding needed to achieve the requested
  alignment in the "large object" check. With large alignment requests,
  this can result in the allocator using the capability's pinned object
  accumulator block to service a request which is larger than
  `PINNED_EMPTY_SIZE`.
  
  To fix this we reorganize `allocatePinned` to consistently account for
  the alignment padding in all large object checks. This is a bit subtle
  as we must handle the case of a small allocation request filling the
  accumulator block, as well as large requests.
  
  Fixes #23400.
  

• 98185d52
  by Ben Gamari at 2023-07-03T03:28:05-04:00

  testsuite: Add test for #23400
  

• 4aac0540
  by Ben Gamari at 2023-07-03T03:28:42-04:00

  ghc-heap: Support for BLOCKING_QUEUE closures
  

• 03f941f4
  by Ben Bellick at 2023-07-03T03:29:29-04:00

  Add some structured diagnostics in Tc/Validity.hs
  
  This addresses the work of ticket #20118
  Created the following constructors for TcRnMessage
   - TcRnInaccessibleCoAxBranch
   - TcRnPatersonCondFailure
  

• 6074cc3c
  by Moisés Ackerman at 2023-07-03T03:30:13-04:00

  Add failing test case for #23492
  

• 356a2692
  by Moisés Ackerman at 2023-07-03T03:30:13-04:00

  Use generated src span for catch-all case of record selector functions
  
  This fixes #23492. The problem was that we used the real source span
  of the field declaration for the generated catch-all case in the
  selector function, in particular in the generated call to
  `recSelError`, which meant it was included in the HIE output. Using
  `generatedSrcSpan` instead means that it is not included.
  

• 3efe7f39
  by Moisés Ackerman at 2023-07-03T03:30:13-04:00

  Introduce genLHsApp and genLHsLit helpers in GHC.Rename.Utils
  

• dd782343
  by Moisés Ackerman at 2023-07-03T03:30:13-04:00

  Construct catch-all default case using helpers
  
  GHC.Rename.Utils concrete helpers instead of wrapGenSpan + HS AST constructors
  

• 0e09c38e
  by Ryan Hendrickson at 2023-07-03T03:30:56-04:00

  Add regression test for #23549
  

• 32741743
  by Alexis King at 2023-07-03T03:31:36-04:00

  perf tests: Increase default stack size for MultiLayerModules
  
  An unhelpfully small stack size appears to have been the real culprit
  behind the metric fluctuations in #19293. Debugging metric decreases
  triggered by !10729 helped to finally identify the problem.
  
  Metric Decrease:
      MultiLayerModules
      MultiLayerModulesTH_Make
      T13701
      T14697
  

• 82ac6bf1
  by Bryan Richter at 2023-07-03T03:32:15-04:00

  Add missing void prototypes to rts functions
  
  See #23561.
  

• 6078b429
  by Ben Gamari at 2023-07-03T03:32:51-04:00

  gitlab-ci: Refactor compilation of gen_ci
  
  Flakify and document it, making it far less sensitive to the build
  environment.
  

• aa2db0ae
  by Ben Gamari at 2023-07-03T03:33:29-04:00

  testsuite: Update documentation

• 924a2362
  by Gregory Gerasev at 2023-07-03T03:34:10-04:00

  Better error for data deriving of type synonym/family. Closes #23522
  

• 4457da2a
  by Dave Barton at 2023-07-03T03:34:51-04:00

  Fix some broken links and typos
  

• de5830d0
  by Ben Gamari at 2023-07-04T22:03:59-04:00

  configure: Rip out Solaris dyld check
  
  Solaris 11 was released over a decade ago and, moreover, I doubt we have
  any Solaris users
  

• 59c5fe1d
  by doyougnu at 2023-07-04T22:04:56-04:00

  CI: add JS release and debug builds, regen CI jobs
  

• 679bbc97
  by Vladislav Zavialov at 2023-07-04T22:05:32-04:00

  testsuite: Do not require CUSKs
  
  Numerous tests make use of CUSKs (complete user-supplied kinds),
  a legacy feature scheduled for deprecation. In order to proceed
  with the said deprecation, the tests have been updated to use SAKS
  instead (standalone kind signatures).
  
  This also allows us to remove the Haskell2010 language pragmas that
  were added in 115cd3c85a8 to work around the lack of CUSKs in GHC2021.
  

• 945d3599
  by Ben Gamari at 2023-07-04T22:06:08-04:00

  gitlab: Drop backport-for-8.8 MR template
  
  Its usefulness has long passed.

• 66c721d3
  by Alan Zimmerman at 2023-07-04T22:06:44-04:00

  EPA: Simplify GHC/Parser.y comb2
  
  Use the HasLoc instance from Ast.hs to allow comb2 to work with
  anything with a SrcSpan
  
  This gets rid of the custom comb2A, comb2Al, comb2N functions, and
  removes various reLoc calls.
  

• 2be99b7e
  by Matthew Pickering at 2023-07-04T22:07:21-04:00

  Fix deprecation warning when deprecated identifier is from another module
  
  A stray 'Just' was being printed in the deprecation message.
  
  Fixes #23573
  

• 46c9bcd6
  by Ben Gamari at 2023-07-04T22:07:58-04:00

  rts: Don't rely on initializers for sigaction_t
  
  As noted in #23577, CentOS's ancient toolchain throws spurious
  missing-field-initializer warnings.
  

• ec55035f
  by Ben Gamari at 2023-07-04T22:07:58-04:00

  hadrian: Don't treat -Winline warnings as fatal
  
  Such warnings are highly dependent upon the toolchain, platform, and
  build configuration. It's simply too fragile to rely on these.
  

• 3a09b789
  by Ben Gamari at 2023-07-04T22:07:58-04:00

  hadrian: Only pass -Wno-nonportable-include-path on Darwin
  
  This flag, which was introduced due to #17798, is only understood by
  Clang and consequently throws warnings on platforms using gcc. Sadly,
  there is no good way to treat such warnings as non-fatal with `-Werror`
  so for now we simply make this flag specific to platforms known to use
  Clang and case-insensitive filesystems (Darwin and Windows).
  
  See #23577.
  

• 4af7eac2
  by Mario Blažević at 2023-07-04T22:08:38-04:00

  Fixed ticket #23571, TH.Ppr.pprLit hanging on large numeric literals
  

• 2304c697
  by Ben Gamari at 2023-07-04T22:09:15-04:00

  compiler: Make OccSet opaque
  

• cf735db8
  by Andrei Borzenkov at 2023-07-04T22:09:51-04:00

  Add Note about why we need forall in Code to be on the right
  

• fb140f82
  by Hécate Moonlight at 2023-07-04T22:10:34-04:00

  Relax the constraint about the foreign function's calling convention of FinalizerPtr to capi as well as ccall.

• 9ce44336
  by meooow25 at 2023-07-05T11:42:37-04:00

  Improve the situation with the stimes cycle
  
  Currently the Semigroup stimes cycle is resolved in GHC.Base by
  importing stimes implementations from a hs-boot file. Resolve the cycle
  using hs-boot files for required classes (Num, Integral) instead. Now
  stimes can be defined directly in GHC.Base, making inlining and
  specialization possible.
  
  This leads to some new boot files for `GHC.Num` and `GHC.Real`, the
  methods for those are only used to implement `stimes` so it doesn't
  appear that these boot files will introduce any new performance traps.
  
  Metric Decrease:
      T13386
      T8095
  Metric Increase:
      T13253
      T13386
      T18698a
      T18698b
      T19695
      T8095
  

• 9edcb1fb
  by Jaro Reinders at 2023-07-05T11:43:24-04:00

  Refactor Unique to be represented by Word64
  
  In #22010 we established that Int was not always sufficient to store all
  the uniques we generate during compilation on 32-bit platforms. This
  commit addresses that problem by using Word64 instead of Int for
  uniques.
  
  The core of the change is in GHC.Core.Types.Unique and
  GHC.Core.Types.Unique.Supply. However, the representation of uniques is
  used in many other places, so those needed changes too. Additionally, the RTS
  has been extended with an atomic_inc64 operation.
  
  One major change from this commit is the introduction of the Word64Set and
  Word64Map data types. These are adapted versions of IntSet and IntMap
  from the containers package. These are planned to be upstreamed in the
  future.
  
  As a natural consequence of these changes, the compiler will be a bit
  slower and take more space on 32-bit platforms. Our CI tests indicate
  around a 5% residency increase.
  
  Metric Increase:
      CoOpt_Read
      CoOpt_Singletons
      LargeRecord
      ManyAlternatives
      ManyConstructors
      MultiComponentModules
      MultiComponentModulesRecomp
      MultiLayerModulesTH_OneShot
      RecordUpdPerf
      T10421
      T10547
      T12150
      T12227
      T12234
      T12425
      T12707
      T13035
      T13056
      T13253
      T13253-spj
      T13379
      T13386
      T13719
      T14683
      T14697
      T14766
      T15164
      T15703
      T16577
      T16875
      T17516
      T18140
      T18223
      T18282
      T18304
      T18698a
      T18698b
      T18923
      T1969
      T19695
      T20049
      T21839c
      T3064
      T3294
      T4801
      T5030
      T5321FD
      T5321Fun
      T5631
      T5642
      T5837
      T6048
      T783
      T8095
      T9020
      T9198
      T9233
      T9630
      T9675
      T9872a
      T9872b
      T9872b_defer
      T9872c
      T9872d
      T9961
      TcPlugin_RewritePerf
      UniqLoop
      WWRec
      hard_hole_fits
  

• 6b9db7d4
  by Brandon Chinn at 2023-07-05T11:44:03-04:00

  Fix docs for __GLASGOW_HASKELL_FULL_VERSION__ macro

• 40f4ef7c
  by Torsten Schmits at 2023-07-05T18:06:19-04:00

  Substitute free variables captured by breakpoints in SpecConstr
  
  Fixes #23267
  

• 2b55cb5f
  by sheaf at 2023-07-05T18:07:07-04:00

  Reinstate untouchable variable error messages
  
  This extra bit of information was accidentally being discarded after
  a refactoring of the way we reported problems when unifying a type
  variable with another type. This patch rectifies that.
  

• 53ed21c5
  by Rodrigo Mesquita at 2023-07-05T18:07:47-04:00

  configure: Drop Clang command from settings
  
  Due to 01542cb7227614a93508b97ecad5b16dddeb6486 we no longer use the
  `runClang` function, and no longer need to configure into settings the
  Clang command. We used to determine options at runtime to pass clang when
  it was used as an assembler, but now that we configure at configure time
  we no longer need to.
  

• 6fdcf969
  by Torsten Schmits at 2023-07-06T12:12:09-04:00

  Filter out nontrivial substituted expressions in substTickish
  
  Fixes #23272
  

• 41968fd6
  by Sylvain Henry at 2023-07-06T12:13:02-04:00

  JS: testsuite: use req_c predicate instead of js_broken
  

• 74a4dd2e
  by Sylvain Henry at 2023-07-06T12:13:02-04:00

  JS: implement some file primitives (lstat,rmdir) (#22374)
  
  - Implement lstat and rmdir.
  - Implement base_c_s_is* functions (testing a file type)
  - Enable passing tests
  

• 7e759914
  by Sylvain Henry at 2023-07-07T02:39:38-04:00

  JS: cleanup utils (#23314)
  
  - Removed unused code
  - Don't export unused functions
  - Move toTypeList to Closure module
  

• f617655c
  by Sylvain Henry at 2023-07-07T02:39:38-04:00

  JS: rename VarType/Vt into JSRep
  

• 19216ca5
  by Sylvain Henry at 2023-07-07T02:39:38-04:00

  JS: remove custom PrimRep conversion (#23314)
  
  We use the usual conversion to PrimRep and then we convert these
  PrimReps to JSReps.
  

• d3de8668
  by Sylvain Henry at 2023-07-07T02:39:38-04:00

  JS: don't use isRuntimeRepKindedTy in JS FFI
  

• 8d1b75cb
  by Matthew Pickering at 2023-07-07T02:40:15-04:00

  ghcup-metadata: Also updates ghcup-nightlies-0.0.7.yaml file
  
  Fixes #23600
  

• e524fa7f
  by Matthew Pickering at 2023-07-07T02:40:15-04:00

  ghcup-metadata: Use dynamically linked alpine bindists
  
  In theory these will work much better on alpine to allow people to build
  statically linked applications there. We don't need to distribute a
  statically linked application ourselves in order to allow that.
  
  Fixes #23602
  

• 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!
  

• b9e7beb9
  by Ben Gamari at 2023-07-07T11:32:22-04:00

  Drop circle-ci-job.sh
  

• 9955eead
  by Ben Gamari at 2023-07-07T11:32:22-04:00

  testsuite: Allow preservation of unexpected output
  
  Here we introduce a new flag to the testsuite driver,
  --unexpected-output-dir=<dir>, which allows the user to ask
  the driver to preserve unexpected output from tests. The intent is for
  this to be used in CI to allow users to more easily fix unexpected
  platform-dependent output.
  

• 48f80968
  by Ben Gamari at 2023-07-07T11:32:22-04:00

  gitlab-ci: Preserve unexpected output
  
  Here we enable use of the testsuite driver's `--unexpected-output-dir`
  flag by CI, preserving the result as an artifact for use by users.
  

• 76983a0d
  by Matthew Pickering at 2023-07-07T11:32:58-04:00

  driver: Fix -S with .cmm files
  
  There was an oversight in the driver which assumed that you would always
  produce a `.o` file when compiling a .cmm file.
  
  Fixes #23610
  

• 6df15e93
  by Mike Pilgrem at 2023-07-07T11:33:40-04:00

  Update Hadrian's stack.yaml

• 1dff43cf
  by Ben Gamari at 2023-07-08T05:05:37-04:00

  compiler: Rework ShowSome
  
  Previously the field used to filter the sub-declarations to show
  was rather ad-hoc and was only able to show at most one sub-declaration.
  

• 8165404b
  by Ben Gamari at 2023-07-08T05:05:37-04:00

  testsuite: Add test to catch changes in core libraries
  
  This adds testing infrastructure to ensure that changes in core
  libraries (e.g. `base` and `ghc-prim`) are caught in CI.
  

• ec1c32e2
  by Melanie Phoenix at 2023-07-08T05:06:14-04:00

  Deprecate Data.List.NonEmpty.unzip
  

• 5d2442b8
  by Ben Gamari at 2023-07-08T05:06:51-04:00

  Drop latent mentions of -split-objs
  
  Closes #21134.
  

• a9bc20cb
  by Oleg Grenrus at 2023-07-08T05:07:31-04:00

  Add warn_and_run test kind
  
  This is a compile_and_run variant which also captures the GHC's
  stderr. The warn_and_run name is best I can come up with,
  as compile_and_run is taken.
  
  This is useful specifically for testing warnings.  We want to test that
  when warning triggers, and it's not a false positive, i.e. that the
  runtime behaviour is indeed "incorrect".
  
  As an example a single test is altered to use warn_and_run
  

• c7026962
  by Ben Gamari at 2023-07-08T05:08:11-04:00

  configure: Don't use ld.gold on i386
  
  ld.gold appears to produce invalid static constructor tables on i386.
  While ideally we would add an autoconf check to check for this
  brokenness, sadly such a check isn't easy to compose. Instead to
  summarily reject such linkers on i386.
  
  Somewhat hackily closes #23579.
  

• 054261dd
  by Andrew Lelechenko at 2023-07-08T19:32:47-04:00

  Add since annotations for Data.Foldable1
  

• 550af505
  by Sylvain Henry at 2023-07-08T19:33:28-04:00

  JS: support -this-unit-id for programs in the linker (#23613)
  

• d284470a
  by Andrew Lelechenko at 2023-07-08T19:34:08-04:00

  Bump text submodule
  

• 8e11630e
  by jade at 2023-07-10T16:58:40-04:00

  Add a hint to enable ExplicitNamespaces for type operator imports (Fixes/Enhances #20007)
  
  As suggested in #20007 and implemented in !8895, trying to import type operators
  will suggest a fix to use the 'type' keyword, without considering whether
  ExplicitNamespaces is enabled. This patch will query whether ExplicitNamespaces
  is enabled and add a hint to suggest enabling ExplicitNamespaces if it isn't enabled,
  alongside the suggestion of adding the 'type' keyword.
  

• 61b1932e
  by sheaf at 2023-07-10T16:59:26-04:00

  tyThingLocalGREs: include all DataCons for RecFlds
  
  The GREInfo for a record field should include the collection of all
  the data constructors of the parent TyCon that have this record field.
  This information was being incorrectly computed in the tyThingLocalGREs
  function for a DataCon, as we were not taking into account other
  DataCons with the same parent TyCon.
  
  Fixes #23546
  

• e6627cbd
  by Alan Zimmerman at 2023-07-10T17:00:05-04:00

  EPA: Simplify GHC/Parser.y comb3
  
  A follow up to !10743
  

• ee20da34
  by Andrew Lelechenko at 2023-07-10T17:01:01-04:00

  Document that compareByteArrays# is available since ghc-prim-0.5.2.0
  

• 4926af7b
  by Matthew Pickering at 2023-07-10T17:01:38-04:00

  Revert "Bump text submodule"
  
  This reverts commit d284470a77042e6bc17bdb0ab0d740011196958a.
  
  This commit requires that we bootstrap with ghc-9.4, which we do not
  require until #23195 has been completed.
  
  Subsequently this has broken nighty jobs such as the rocky8 job which in
  turn has broken nightly releases.
  

• d1c92bf3
  by Ben Gamari at 2023-07-11T08:07:02-04:00

  compiler: Fingerprint more code generation flags
  
  Previously our recompilation check was quite inconsistent in its
  coverage of non-optimisation code generation flags. Specifically, we
  failed to account for most flags that would affect the behavior of
  generated code in ways that might affect the result of a program's
  execution (e.g. `-feager-blackholing`, `-fstrict-dicts`)
  
  Closes #23369.
  

• eb623149
  by Ben Gamari at 2023-07-11T08:07:02-04:00

  compiler: Record original thunk info tables on stack
  
  Here we introduce a new code generation option, `-forig-thunk-info`,
  which ensures that an `stg_orig_thunk_info` frame is pushed before every
  update frame. This can be invaluable when debugging thunk cycles and
  similar.
  
  See Note [Original thunk info table frames] for details.
  
  Closes #23255.
  

• 4731f44e
  by Jaro Reinders at 2023-07-11T08:07:40-04:00

  Fix wrong MIN_VERSION_GLASGOW_HASKELL macros
  
  I forgot to change these after rebasing.
  

• dd38aca9
  by Andreas Schwab at 2023-07-11T13:55:56+00:00

  Hadrian: enable GHCi support on riscv64
  

• 09a5c6cc
  by Josh Meredith at 2023-07-12T11:25:13-04:00

  JavaScript: support unicode code points > 2^16 in toJSString using String.fromCodePoint (#23628)
  

• 29fbbd4e
  by Matthew Pickering at 2023-07-12T11:25:49-04:00

  Remove references to make build system in mk/build.mk
  
  Fixes #23636
  

• 630e3026
  by sheaf at 2023-07-12T11:26:43-04:00

  Valid hole fits: don't panic on a Given
  
  The function GHC.Tc.Errors.validHoleFits would end up panicking when
  encountering a Given constraint. To fix this, it suffices to filter out
  the Givens before continuing.
  
  Fixes #22684
  

• c39f279b
  by Matthew Pickering at 2023-07-12T23:18:38-04:00

  Use deb10 for i386 bindists
  
  deb9 is now EOL so it's time to upgrade the i386 bindist to use deb10
  
  Fixes #23585
  

• bf9b9de0
  by Krzysztof Gogolewski at 2023-07-12T23:19:15-04:00

  Fix #23567, a specializer bug
  
  Found by Simon in https://gitlab.haskell.org/ghc/ghc/-/issues/23567#note_507834
  
  The testcase isn't ideal because it doesn't detect the bug in master,
  unless doNotUnbox is removed as in
  https://gitlab.haskell.org/ghc/ghc/-/issues/23567#note_507692.
  But I have confirmed that with that modification, it fails before
  and passes afterwards.
  

• 84c1a4a2
  by Bartłomiej Cieślar at 2023-07-12T23:20:08-04:00

  Comments
  

• b2846cb5
  by Bartłomiej Cieślar at 2023-07-12T23:20:08-04:00

  updates to comments
  

• 2af23f0e
  by Bartłomiej Cieślar at 2023-07-12T23:20:08-04:00

  changes
  

• 6143838a
  by sheaf at 2023-07-13T08:02:17-04:00

  Fix deprecation of record fields
  
  Commit 3f374399 inadvertently broke the deprecation/warning mechanism
  for record fields due to its introduction of record field namespaces.
  
  This patch ensures that, when a top-level deprecation is applied to
  an identifier, it applies to all the record fields as well.
  This is achieved by refactoring GHC.Rename.Env.lookupLocalTcNames, and
  GHC.Rename.Env.lookupBindGroupOcc, to not look up a fixed number of
  NameSpaces but to look up all NameSpaces and filter out the irrelevant
  ones.
  

• 6fd8f566
  by sheaf at 2023-07-13T08:02:17-04:00

  Introduce greInfo, greParent
  
  These are simple helper functions that wrap the internal
  field names gre_info, gre_par.
  

• 7f0a86ed
  by sheaf at 2023-07-13T08:02:17-04:00

  Refactor lookupGRE_... functions
  
  This commit consolidates all the logic for looking up something in
  the Global Reader Environment into the single function lookupGRE.
  This allows us to declaratively specify all the different modes of
  looking up in the GlobalRdrEnv, and avoids manually passing around
  filtering functions as was the case in e.g. the function
  GHC.Rename.Env.lookupSubBndrOcc_helper.
  
  -------------------------
  Metric Decrease:
      T8095
  -------------------------
  -------------------------
  Metric Increase:
      T8095
  -------------------------
  

• 5e951395
  by Rodrigo Mesquita at 2023-07-13T08:02:54-04:00

  configure: Drop DllWrap command
  
  We used to configure into settings a DllWrap command for windows
  builds and distributions, however, we no longer do, and dllwrap is
  effectively unused.
  
  This simplification is motivated in part by the larger
  toolchain-selection project (#19877, !9263)
  

• e10556b6
  by Teo Camarasu at 2023-07-14T16:28:46-04:00

  base: fix haddock syntax in GHC.Profiling
  

• 0f3fda81
  by Matthew Pickering at 2023-07-14T16:29:23-04:00

  Revert "CI: add JS release and debug builds, regen CI jobs"
  
  This reverts commit 59c5fe1d4b624423b1c37891710f2757bb58d6af.
  
  This commit added two duplicate jobs on all validate pipelines, so we
  are reverting for now whilst we work out what the best way forward is.
  
  Ticket #23618
  

• 54bca324
  by Alan Zimmerman at 2023-07-15T03:23:26-04:00

  EPA: Simplify GHC/Parser.y sLL
  
  Follow up to !10743
  

• c8863828
  by sheaf at 2023-07-15T03:24:06-04:00

  Configure: canonicalise PythonCmd on Windows
  
  This change makes PythonCmd resolve to a canonical absolute path on
  Windows, which prevents HLS getting confused (now that we have a
  build-time dependency on python).
  
  fixes #23652
  

• ca1e636a
  by Rodrigo Mesquita at 2023-07-15T03:24:42-04:00

  Improve Note [Binder-swap during float-out]
  

• cf86f3ec
  by Matthew Craven at 2023-07-16T01:42:09+02:00

  Equality of forall-types is visibility aware
  
  This patch finally (I hope) nails the question of whether
     (forall a. ty) and (forall a -> ty)
  are `eqType`: they aren't!
  
  There is a long discussion in #22762, plus useful Notes:
  
  * Note [ForAllTy and type equality] in GHC.Core.TyCo.Compare
  * Note [Comparing visiblities] in GHC.Core.TyCo.Compare
  * Note [ForAllCo] in GHC.Core.TyCo.Rep
  
  It also establishes a helpful new invariant for ForAllCo,
  and ForAllTy, when the bound variable is a CoVar:in that
  case the visibility must be coreTyLamForAllTyFlag.
  
  All this is well documented in revised Notes.
  

• 7f13acbf
  by Vladislav Zavialov at 2023-07-16T01:56:27-04:00

  List and Tuple<n>: update documentation
  
  Add the missing changelog.md entries and @since-annotations.
  

• 2afbddb0
  by Andrei Borzenkov at 2023-07-16T10:21:24+04:00

  Type patterns (#22478, #18986)
  
  Improved name resolution and type checking of type patterns in constructors:
  
  1. HsTyPat: a new dedicated data type that represents type patterns in
     HsConPatDetails instead of reusing HsPatSigType
  
  2. rnHsTyPat: a new function that renames a type
     pattern and collects its binders into three groups:
      - explicitly bound type variables, excluding locally bound
        variables
      - implicitly bound type variables from kind signatures
        (only if ScopedTypeVariables are enabled)
      - named wildcards (only from kind signatures)
  2a. rnHsPatSigTypeBindingVars: removed in favour of rnHsTyPat
  2b. rnImplcitTvBndrs: removed because no longer needed
  
  3. collect_pat: updated to collect type variable binders from type patterns
     (this means that types and terms use the same infrastructure to detect
     conflicting bindings, unused variables and name shadowing)
  3a. CollVarTyVarBinders: a new CollectFlag constructor that enables
      collection of type variables
  
  4. tcHsTyPat: a new function that typechecks type patterns, capable of
     handling polymorphic kinds.
     See Note [Type patterns: binders and unifiers]
  
  Examples of code that is now accepted:
  
     f = \(P @a) -> \(P @a) -> ...  -- triggers -Wname-shadowing
  
     g :: forall a. Proxy a -> ...
     g (P @a) = ...                 -- also triggers -Wname-shadowing
  
     h (P @($(TH.varT (TH.mkName "t")))) = ...
                                    -- t is bound at splice time
  
     j (P @(a :: (x,x))) = ...      -- (x,x) is no longer rejected
  
     data T where
       MkT :: forall (f :: forall k. k -> Type).
         f Int -> f Maybe -> T
     k :: T -> ()
     k (MkT @f (x :: f Int) (y :: f Maybe)) = ()
                                    -- f :: forall k. k -> Type
  
  Examples of code that is rejected with better error messages:
  
    f (Left @a @a _) = ...
    -- new message:
    --     • Conflicting definitions for ‘a’
    --       Bound at: Test.hs:1:11
    --                 Test.hs:1:14
  
  Examples of code that is now rejected:
  
    {-# OPTIONS_GHC -Werror=unused-matches #-}
    f (P @a) = ()
    -- Defined but not used: type variable ‘a’
  

• eb1a6ab1
  by sheaf at 2023-07-16T09:20:45-04:00

  Don't use substTyUnchecked in newMetaTyVar
  
  There were some comments that explained that we needed to use an
  unchecked substitution function because of issue #12931, but that
  has since been fixed, so we should be able to use substTy instead now.
  

• c7bbad9a
  by sheaf at 2023-07-17T02:48:19-04:00

  rnImports: var shouldn't import NoFldSelectors
  
  In an import declaration such as
  
    import M ( var )
  
  the import of the variable "var" should **not** bring into scope record
  fields named "var" which are defined with NoFieldSelectors.
  Doing so can cause spurious "unused import" warnings, as reported in
  ticket #23557.
  
  Fixes #23557
  

• 1af2e773
  by sheaf at 2023-07-17T02:48:19-04:00

  Suggest similar names in imports
  
  This commit adds similar name suggestions when importing. For example
  
    module A where { spelling = 'o' }
    module B where { import B ( speling ) }
  
  will give rise to the error message:
  
    Module ‘A’ does not export ‘speling’.
    Suggested fix: Perhaps use ‘spelling’
  
  This also provides hints when users try to import record fields defined
  with NoFieldSelectors.
  

• 654fdb98
  by Alan Zimmerman at 2023-07-17T02:48:55-04:00

  EPA: Store leading AnnSemi for decllist in al_rest
  
  This simplifies the markAnnListA implementation in ExactPrint
  

• 22565506
  by sheaf at 2023-07-17T21:12:59-04:00

  base: add COMPLETE pragma to BufferCodec PatSyn
  
  This implements CLC proposal #178, rectifying an oversight in the
  implementation of CLC proposal #134 which could lead to spurious
  pattern match warnings.
  
  https://github.com/haskell/core-libraries-committee/issues/178
  https://github.com/haskell/core-libraries-committee/issues/134
  

• 860f6269
  by sheaf at 2023-07-17T21:13:00-04:00

  exactprint: silence incomplete record update warnings
  

• df706de3
  by sheaf at 2023-07-17T21:13:00-04:00

  Re-instate -Wincomplete-record-updates
  
  Commit e74fc066 refactored the handling of record updates to use
  the HsExpanded mechanism. This meant that the pattern matching inherent
  to a record update was considered to be "generated code", and thus we
  stopped emitting "incomplete record update" warnings entirely.
  
  This commit changes the "data Origin = Source | Generated" datatype,
  adding a field to the Generated constructor to indicate whether we
  still want to perform pattern-match checking. We also have to do a bit
  of plumbing with HsCase, to record that the HsCase arose from an
  HsExpansion of a RecUpd, so that the error message continues to mention
  record updates as opposed to a generic "incomplete pattern matches in case"
  error.
  
  Finally, this patch also changes the way we handle inaccessible code
  warnings. Commit e74fc066 was also a regression in this regard, as we
  were emitting "inaccessible code" warnings for case statements spuriously
  generated when desugaring a record update (remember: the desugaring mechanism
  happens before typechecking; it thus can't take into account e.g. GADT information
  in order to decide which constructors to include in the RHS of the desugaring
  of the record update).
  We fix this by changing the mechanism through which we disable inaccessible
  code warnings: we now check whether we are in generated code in
  GHC.Tc.Utils.TcMType.newImplication in order to determine whether to
  emit inaccessible code warnings.
  
  Fixes #23520
  Updates haddock submodule, to avoid incomplete record update warnings
  

• 1d05971e
  by sheaf at 2023-07-17T21:13:00-04:00

  Propagate long-distance information in do-notation
  
  The preceding commit re-enabled pattern-match checking inside record
  updates. This revealed that #21360 was in fact NOT fixed by e74fc066.
  
  This commit makes sure we correctly propagate long-distance information
  in do blocks, e.g. in
  
  ```haskell
  data T = A { fld :: Int } | B
  
  f :: T -> Maybe T
  f r = do
    a@A{} <- Just r
    Just $ case a of { A _ -> A 9 }
  ```
  
  we need to propagate the fact that "a" is headed by the constructor "A"
  to see that the case expression "case a of { A _ -> A 9 }" cannot fail.
  
  Fixes #21360
  

• bea0e323
  by sheaf at 2023-07-17T21:13:00-04:00

  Skip PMC for boring patterns
  
  Some patterns introduce no new information to the pattern-match
  checker (such as plain variable or wildcard patterns). We can thus
  skip doing any pattern-match checking on them when the sole purpose
  for doing so was introducing new long-distance information.
  
  See Note [Boring patterns] in GHC.Hs.Pat.
  
  Doing this avoids regressing in performance now that we do additional
  pattern-match checking inside do notation.
  

• ddcdd88c
  by Rodrigo Mesquita at 2023-07-17T21:13:36-04:00

  Split GHC.Platform.ArchOS from ghc-boot into ghc-platform
  
  Split off the `GHC.Platform.ArchOS` module from the `ghc-boot` package
  into this reinstallable standalone package which abides by the PVP, in
  part motivated by the ongoing work on `ghc-toolchain` towards runtime
  retargetability.
  

• b55a8ea7
  by Sylvain Henry at 2023-07-17T21:14:27-04:00

  JS: better implementation for plusWord64 (#23597)
  

• 889c2bbb
  by sheaf at 2023-07-18T06:37:32-04:00

  Do primop rep-poly checks when instantiating
  
  This patch changes how we perform representation-polymorphism checking
  for primops (and other wired-in Ids such as coerce).
  When instantiating the primop, we check whether each type variable
  is required to instantiated to a concrete type, and if so we create a
  new concrete metavariable (a ConcreteTv) instead of a simple MetaTv.
  (A little subtlety is the need to apply the substitution obtained from
  instantiating to the ConcreteTvOrigins, see
  Note [substConcreteTvOrigin] in GHC.Tc.Utils.TcMType.)
  
  This allows us to prevent representation-polymorphism in non-argument
  position, as that is required for some of these primops.
  
  We can also remove the logic in tcRemainingValArgs, except for
  the part concerning representation-polymorphic unlifted newtypes.
  The function has been renamed rejectRepPolyNewtypes; all it does now
  is reject unsaturated occurrences of representation-polymorphic newtype
  constructors when the representation of its argument isn't a concrete
  RuntimeRep (i.e. still a PHASE 1 FixedRuntimeRep check).
  The Note [Eta-expanding rep-poly unlifted newtypes] in GHC.Tc.Gen.Head
  gives more explanation about a possible path to PHASE 2, which would be
  in line with the treatment for primops taken in this patch.
  
  We also update the Core Lint check to handle this new framework. This
  means Core Lint now checks representation-polymorphism in continuation
  position like needed for catch#.
  
  Fixes #21906
  
  -------------------------
  Metric Increase:
      LargeRecord
  -------------------------
  

• 00648e5d
  by Krzysztof Gogolewski at 2023-07-18T06:38:10-04:00

  Core Lint: distinguish let and letrec in locations
  
  Lint messages were saying "in the body of letrec" even for non-recursive
  let.
  
  I've also renamed BodyOfLetRec to BodyOfLet in stg, since there's no
  separate letrec.
  

• 787bae96
  by Krzysztof Gogolewski at 2023-07-18T06:38:50-04:00

  Use extended literals when deriving Show
  
  This implements GHC proposal
  https://github.com/ghc-proposals/ghc-proposals/pull/596
  
  Also add support for Int64# and Word64#; see testcase ShowPrim.
  

• 257f1567
  by Jaro Reinders at 2023-07-18T06:39:29-04:00

  Add StgFromCore and StgCodeGen linting
  

• 34d08a20
  by Ben Gamari at 2023-07-19T03:33:22-04:00

  Reg.Liveness: Strictness
  

• c5deaa27
  by Ben Gamari at 2023-07-19T03:33:22-04:00

  Reg.Liveness: Don't repeatedly construct UniqSets
  

• b947250b
  by Ben Gamari at 2023-07-19T03:33:22-04:00

  compiler/Types: Ensure that fromList-type operations can fuse
  
  In #20740 I noticed that mkUniqSet does not fuse. In practice, allowing
  it to do so makes a considerable difference in allocations due to the
  backend.
  
  Metric Decrease:
      T12707
      T13379
      T3294
      T4801
      T5321FD
      T5321Fun
      T783
  

• 6c88c2ba
  by Sven Tennie at 2023-07-19T03:33:59-04:00

  x86 Codegen: Implement MO_S_MulMayOflo for W16
  

• 5f1154e0
  by Sven Tennie at 2023-07-19T03:33:59-04:00

  x86 CodeGen: MO_S_MulMayOflo better error message for rep > W64
  
  It's useful to see which value made the pattern match fail. (If it ever
  occurs.)
  

• e8c9a95f
  by Sven Tennie at 2023-07-19T03:33:59-04:00

  x86 CodeGen: Implement MO_S_MulMayOflo for W8
  
  This case wasn't handled before. But, the test-primops test suite showed
  that it actually might appear.
  

• a36f9dc9
  by Sven Tennie at 2023-07-19T03:33:59-04:00

  Add test for %mulmayoflo primop
  
  The test expects a perfect implementation with no false positives.
  

• 38a36248
  by Matthew Pickering at 2023-07-19T03:34:36-04:00

  lint-ci-config: Generate jobs-metadata.json
  
  We also now save the jobs-metadata.json and jobs.yaml file as artifacts
  as:
  
  * It might be useful for someone who is modifying CI to copy jobs.yaml
    if they are having trouble regenerating locally.
  * jobs-metadata.json is very useful for downstream pipelines to work out
    the right job to download.
  
  Fixes #23654
  

• 1535a671
  by Vladislav Zavialov at 2023-07-19T03:35:12-04:00

  Initialize 9.10.1-notes.rst
  
  Create new release notes for the next GHC release (GHC 9.10)
  

• 3bd4d5b5
  by sheaf at 2023-07-19T03:35:53-04:00

  Prioritise Parent when looking up class sub-binder
  
  When we look up children GlobalRdrElts of a given Parent, we sometimes
  would rather prioritise those GlobalRdrElts which have the right Parent,
  and sometimes prioritise those that have the right NameSpace:
  
    - in export lists, we should prioritise NameSpace
    - for class/instance binders, we should prioritise Parent
  
  See Note [childGREPriority] in GHC.Types.Name.Reader.
  
  fixes #23664
  

• 9c8fdda3
  by Alan Zimmerman at 2023-07-19T03:36:29-04:00

  EPA: Improve annotation management in getMonoBind
  
  Ensure the LHsDecl for a FunBind has the correct leading comments and
  trailing annotations.
  
  See the added note for details.
  

• ff884b77
  by Matthew Pickering at 2023-07-19T11:42:02+01:00

  Remove unused files in .gitlab
  
  These were left over after 6078b429
  

• 29ef590c
  by Matthew Pickering at 2023-07-19T11:42:52+01:00

  gen_ci: Add hie.yaml file
  
  This allows you to load `gen_ci.hs` into HLS, and now it is a huge
  module, that is quite useful.
  

• 808b55cf
  by Matthew Pickering at 2023-07-19T12:24:41+01:00

  ci: Make "fast-ci" the default validate configuration
  
  We are trying out a lighter weight validation pipeline where by default
  we just test on 5 platforms:
  
  * x86_64-deb10-slow-validate
  * windows
  * x86_64-fedora33-release
  * aarch64-darwin
  * aarch64-linux-deb10
  
  In order to enable the "full" validation pipeline you can apply the
  `full-ci` label which will enable all the validation pipelines.
  
  All the validation jobs are still run on a marge batch.
  
  The goal is to reduce the overall CI capacity so that pipelines start
  faster for MRs and marge bot batches are faster.
  
  Fixes #23694
  

• 0b23db03
  by Alan Zimmerman at 2023-07-20T05:28:47-04:00

  EPA: Simplify GHC/Parser.y sL1
  
  This is the next patch in a series simplifying location management in
  GHC/Parser.y
  
  This one simplifies sL1, to use the HasLoc instances introduced in
  !10743 (closed)
  

• 3ece9856
  by Ben Gamari at 2023-07-21T07:30:45-04:00

  nativeGen: Explicitly set flags of text sections on Windows
  
  The binutils documentation (for COFF) claims,
  
  > If no flags are specified, the default flags depend upon the section
  > name. If the section name is not recognized, the default will be for the
  > section to be loaded and writable.
  
  We previously assumed that this would do the right thing for split
  sections (e.g. a section named `.text$foo` would be correctly inferred
  to be a text section). However, we have observed that this is not the
  case (at least under the clang toolchain used on Windows): when
  split-sections is enabled, text sections are treated by the assembler as
  data (matching the "default" behavior specified by the documentation).
  
  Avoid this by setting section flags explicitly. This should fix split
  sections on Windows.
  
  Fixes #22834.
  

• db7f7240
  by Ben Gamari at 2023-07-21T07:30:45-04:00

  nativeGen: Set explicit section types on all platforms
  

• b444c16f
  by Finley McIlwaine at 2023-07-21T07:31:28-04:00

  Insert documentation into parsed signature modules
  
  Causes haddock comments in signature modules to be properly
  inserted into the AST (just as they are for regular modules)
  if the `-haddock` flag is given.
  
  Also adds a test that compares `-ddump-parsed-ast` output
  for a signature module to prevent further regressions.
  
  Fixes #23315
  

• f9b952a7
  by Ben Gamari at 2023-07-21T11:58:05-04:00

  Bump base bound to <4.20
  
  For GHC 9.8.
  

• c30cea53
  by Ben Gamari at 2023-07-21T23:23:49-04:00

  primops: Introduce unsafeThawByteArray#
  
  This addresses an odd asymmetry in the ByteArray# primops, which
  previously provided unsafeFreezeByteArray# but no corresponding
  thaw operation.
  
  Closes #22710
  

• 87f9bd47
  by Ben Gamari at 2023-07-21T23:23:49-04:00

  testsuite: Elaborate in interface stability README
  
  This discussion didn't make it into the original MR.
  

• e4350b41
  by Matthew Pickering at 2023-07-21T23:24:25-04:00

  Allow users to override non-essential haddock options in a Flavour
  
  We now supply the non-essential options to haddock using the `extraArgs`
  field, which can be specified in a Flavour so that if an advanced user
  wants to change how documentation is generated then they can use
  something other than the `defaultHaddockExtraArgs`.
  
  This does have the potential to regress some packaging if a user has
  overridden `extraArgs` themselves, because now they also need to add
  the haddock options to extraArgs. This can easily be done by appending
  `defaultHaddockExtraArgs` to their extraArgs invocation but someone
  might not notice this behaviour has changed.
  
  In any case, I think passing the non-essential options in this manner is
  the right thing to do and matches what we do for the "ghc" builder,
  which by default doesn't pass any optmisation levels, and would likewise
  be very bad if someone didn't pass suitable `-O` levels for builds.
  
  Fixes #23625
  

• fc186b0c
  by Ilias Tsitsimpis at 2023-07-21T23:25:03-04:00

  ghc-prim: Link against libatomic
  
  Commit b4d39adbb58 made 'hs_cmpxchg64()' available to all architectures.
  Unfortunately this made GHC to fail to build on armel, since armel needs
  libatomic to support atomic operations on 64-bit word sizes.
  
  Configure libraries/ghc-prim/ghc-prim.cabal to link against libatomic,
  the same way as we do in rts/rts.cabal.
  

• 4f5538a8
  by Matthew Pickering at 2023-07-21T23:25:39-04:00

  simplifier: Correct InScopeSet in rule matching
  
  The in-scope set passedto the `exprIsLambda_maybe` call lacked all the
  in-scope binders. @simonpj suggests this fix where we augment the
  in-scope set with the free variables of expression which fixes this
  failure mode in quite a direct way.
  
  Fixes #23630
  

• 5ad8d597
  by Krzysztof Gogolewski at 2023-07-21T23:26:17-04:00

  Add a test for #23413
  
  It was fixed by commit e1590ddc661d6: Add the SolverStage monad.
  

• 7e05f6df
  by sheaf at 2023-07-21T23:26:56-04:00

  Finish migration of diagnostics in GHC.Tc.Validity
  
  This patch finishes migrating the error messages in GHC.Tc.Validity
  to use the new diagnostic infrastructure.
  
  It also refactors the error message datatypes for class and family
  instances, to common them up under a single datatype as much as possible.
  

• 4876fddc
  by Matthew Pickering at 2023-07-21T23:27:33-04:00

  ci: Enable some more jobs to run in a marge batch
  
  In !10907 I made the majority of jobs not run on a validate pipeline but
  then forgot to renable a select few jobs on the marge batch MR.
  

• 026991d7
  by Jens Petersen at 2023-07-21T23:28:13-04:00

  user_guide/flags.py: python-3.12 no longer includes distutils
  
  packaging.version seems able to handle this fine
  

• b91bbc2b
  by Matthew Pickering at 2023-07-21T23:28:50-04:00

  ci: Mention ~full-ci label in MR template
  
  We mention that if you need a full validation pipeline then you can
  apply the ~full-ci label to your MR in order to test against the full
  validation pipeline (like we do for marge).
  

• 42b05e9b
  by sheaf at 2023-07-22T12:36:00-04:00

  RTS: declare setKeepCAFs symbol
  
  Commit 08ba8720 failed to declare the dependency of keepCAFsForGHCi on
  the symbol setKeepCAFs in the RTS, which led to undefined symbol errors
  on Windows, as exhibited by the testcase frontend001.
  
  Thanks to Moritz Angermann and Ryan Scott for the diagnosis and fix.
  
  Fixes #22961
  

• a72015d6
  by sheaf at 2023-07-22T12:36:01-04:00

  Mark plugins-external as broken on Windows
  
  This test is broken on Windows, so we explicitly mark it as such now
  that we stop skipping plugin tests on Windows.
  

• cb9c93d7
  by sheaf at 2023-07-22T12:36:01-04:00

  Stop marking plugin tests as fragile on Windows
  
  Now that b2bb3e62 has landed we are in a better situation with
  regards to plugins on Windows, allowing us to unmark many plugin tests
  as fragile.
  
  Fixes #16405
  

• a7349217
  by Krzysztof Gogolewski at 2023-07-22T12:36:37-04:00

  Misc cleanup
  
  - Remove unused RDR names
  - Fix typos in comments
  - Deriving: simplify boxConTbl and remove unused litConTbl
  - chmod -x GHC/Exts.hs, this seems accidental
  

• 33b6850a
  by Vladislav Zavialov at 2023-07-23T10:27:37-04:00

  Visible forall in types of terms: Part 1 (#22326)
  
  This patch implements part 1 of GHC Proposal #281,
  introducing explicit `type` patterns and `type` arguments.
  
  Summary of the changes:
  
  1. New extension flag:
       RequiredTypeArguments
  
  2. New user-facing syntax:
       `type p` patterns    (represented by EmbTyPat)
       `type e` expressions (represented by HsEmbTy)
  
  3. Functions with required type arguments (visible forall)
     can now be defined and applied:
        idv :: forall a -> a -> a    -- signature   (relevant change: checkVdqOK in GHC/Tc/Validity.hs)
        idv (type a) (x :: a) = x    -- definition  (relevant change: tcPats in GHC/Tc/Gen/Pat.hs)
        x = idv (type Int) 42        -- usage       (relevant change: tcInstFun in GHC/Tc/Gen/App.hs)
  
  4. template-haskell support:
        TH.TypeE corresponds to HsEmbTy
        TH.TypeP corresponds to EmbTyPat
  
  5. Test cases and a new User's Guide section
  
  Changes *not* included here are the t2t (term-to-type) transformation
  and term variable capture; those belong to part 2.
  

• 73b5c7ce
  by sheaf at 2023-07-23T10:28:18-04:00

  Add test for #22424
  
  This is a simple Template Haskell test in which we refer to
  record selectors by their exact Names, in two different ways.
  
  Fixes #22424
  

• 83cbc672
  by Ben Gamari at 2023-07-24T07:40:49+00:00

  ghc-toolchain: Initial commit
  

• 31dcd26c
  by Rodrigo Mesquita at 2023-07-24T07:40:49+00:00

  ghc-toolchain: Toolchain Selection
  
  This commit integrates ghc-toolchain, the brand new way of configuring
  toolchains for GHC, with the Hadrian build system, with configure, and
  extends and improves the first iteration of ghc-toolchain.
  
  The general overview is
  
  * We introduce a program invoked `ghc-toolchain --triple=...` which, when run,
    produces a file with a `Target`. A `GHC.Toolchain.Target.Target`
    describes the properties of a target and the toolchain (executables
    and configured flags) to produce code for that target
  
  * Hadrian was modified to read Target files, and will both
    * Invoke the toolchain configured in the Target file as needed
    * Produce a `settings` file for GHC based on the Target file for that stage
  
  * `./configure` will invoke ghc-toolchain to generate target files, but
    it will also generate target files based on the flags configure itself
    configured (through `.in` files that are substituted)
  
    * By default, the Targets generated by configure are still (for now) the ones used by Hadrian
  
    * But we additionally validate the Target files generated by
      ghc-toolchain against the ones generated by configure, to get a head
      start on catching configuration bugs before we transition
      completely.
  
    * When we make that transition, we will want to drop a lot of the
      toolchain configuration logic from configure, but keep it otherwise.
  
  * For each compiler stage we should have 1 target file (up to a stage compiler we can't run in our machine)
    * We just have a HOST target file, which we use as the target for stage0
    * And a TARGET target file, which we use for stage1 (and later stages, if not cross compiling)
    * Note there is no BUILD target file, because we only support cross compilation where BUILD=HOST
    * (for more details on cross-compilation see discussion on !9263)
  
  See also
  * Note [How we configure the bundled windows toolchain]
  * Note [ghc-toolchain consistency checking]
  * Note [ghc-toolchain overview]
  
  Ticket: #19877
  MR: !9263
  

• a732b6d3
  by Rodrigo Mesquita at 2023-07-24T07:40:49+00:00

  Add flag to enable/disable ghc-toolchain based configurations
  
  This flag is disabled by default, and we'll use the
  configure-generated-toolchains by default until we remove the toolchain
  configuration logic from configure.
  

• 61eea240
  by Rodrigo Mesquita at 2023-07-24T07:40:49+00:00

  Split ghc-toolchain executable to new packge
  
  In light of #23690, we split the ghc-toolchain executable out of the
  library package to be able to ship it in the bindist using Hadrian.
  
  Ideally, we eventually revert this commit.
  

• 38e795ff
  by Rodrigo Mesquita at 2023-07-24T07:40:49+00:00

  Ship ghc-toolchain in the bindist
  
  Add the ghc-toolchain binary to the binary distribution we ship to
  users, and teach the bindist configure to use the existing ghc-toolchain.
  

• 32cae784
  by Matthew Craven at 2023-07-24T16:48:24-04:00

  Kill off gen_bytearray_addr_access_ops.py
  
  The relevant primop descriptions are now
  generated directly by genprimopcode.
  
  This makes progress toward fixing #23490, but it is not
  a complete fix since there is more than one way in which
  cabal-reinstall (hadrian/build build-cabal) is broken.
  

• 02e6a6ce
  by Matthew Pickering at 2023-07-24T16:49:00-04:00

  compiler: Remove unused `containers.h` include
  
  Fixes #23712
  

• 822ef66b
  by Matthew Pickering at 2023-07-25T08:44:50-04:00

  Fix pretty printing of WARNING pragmas
  
  There is still something quite unsavoury going on with WARNING pragma
  printing because the printing relies on the fact that for decl
  deprecations the SourceText of WarningTxt is empty. However, I let that
  lion sleep and just fixed things directly.
  
  Fixes #23465
  

• e7b38ede
  by Matthew Pickering at 2023-07-25T08:45:28-04:00

  ci-images: Bump to commit which has 9.6 image
  
  The test-bootstrap job has been failing for 9.6 because we accidentally
  used a non-master commit.
  

• bb408936
  by Matthew Pickering at 2023-07-25T08:45:28-04:00

  Update bootstrap plans for 9.6.2 and 9.4.5
  

• 355e1792
  by Alan Zimmerman at 2023-07-26T10:17:32-04:00

  EPA: Simplify GHC/Parser.y comb4/comb5
  
  Use the HasLoc instance from Ast.hs to allow comb4/comb5 to work with
  anything with a SrcSpan
  
  Also get rid of some more now unnecessary reLoc calls.
  

• 9393df83
  by Gavin Zhao at 2023-07-26T10:18:16-04:00

  compiler: make -ddump-asm work with wasm backend NCG
  
  Fixes #23503.
  
  Now the `-ddump-asm` flag is respected in the wasm backend
  NCG, so developers can directly view the generated ASM instead of
  needing to pass `-S` or `-keep-tmp-files` and manually find & open
  the assembly file.
  
  Ideally, we should be able to output the assembly files in smaller
  chunks like in other NCG backends. This would also make dumping assembly
  stats easier. However, this would require a large refactoring, so for
  short-term debugging purposes I think the current approach works fine.
  
  Signed-off-by: Gavin Zhao <git@gzgz.dev>
  

• 79463036
  by Krzysztof Gogolewski at 2023-07-26T10:18:54-04:00

  llvm: Restore accidentally deleted code in 0fc5cb97
  
  Fixes #23711
  

• 20db7e26
  by Rodrigo Mesquita at 2023-07-26T10:19:33-04:00

  configure: Default missing options to False when preparing ghc-toolchain Targets
  
  This commit fixes building ghc with 9.2 as the boostrap compiler.
  
  The ghc-toolchain patch assumed all _STAGE0 options were available, and
  forgot to account for this missing information in 9.2.
  
  Ghc 9.2 does not have in settings whether ar supports -l, hence can't
  report it with --info (unliked 9.4 upwards).
  
  The fix is to default the missing information (we default "ar supports
  -l" and other missing options to False)
  

• fac9e84e
  by Naïm Favier at 2023-07-26T10:20:16-04:00

  docs: Fix typo

• 503fd647
  by Bartłomiej Cieślar at 2023-07-26T17:23:10-04:00

  This MR is an implementation of the proposal #516.
  
  It adds a warning -Wincomplete-record-selectors for usages of a record
  field access function (either a record selector or getField @"rec"),
  while trying to silence the warning whenever it can be sure that a constructor
  without the record field would not be invoked (which would otherwise cause
  the program to fail). For example:
  
      data T = T1 | T2 {x :: Bool}
  
      f a = x a -- this would throw an error
  
      g T1 = True
      g a = x a -- this would not throw an error
  
      h :: HasField "x" r Bool => r -> Bool
      h = getField @"x"
  
      j :: T -> Bool
      j = h -- this would throw an error because of the `HasField`
            -- constraint being solved
  
  See the tests DsIncompleteRecSel* and TcIncompleteRecSel for more examples of the warning.
  See Note [Detecting incomplete record selectors] in GHC.HsToCore.Expr for implementation details
  

• af6fdf42
  by Arnaud Spiwack at 2023-07-26T17:23:52-04:00

  Fix user-facing label in MR template
  

• 5d45b92a
  by Matthew Pickering at 2023-07-27T05:46:46-04:00

  ci: Test bootstrapping configurations with full-ci and on marge batches
  
  There have been two incidents recently where bootstrapping has been
  broken by removing support for building with 9.2.*.
  
  The process for bumping the minimum required version starts with bumping
  the configure version and then other CI jobs such as the bootstrap jobs
  have to be updated. We must not silently bump the minimum required
  version.
  
  Now we are running a slimmed down validate pipeline it seems worthwile
  to test these bootstrap configurations in the full-ci pipeline.
  

• 25d4fee7
  by Matthew Pickering at 2023-07-27T05:46:46-04:00

  bootstrap: Remove ghc-9_2_* plans
  
  We are anticipating shortly making it necessary to use ghc-9.4 to boot
  the compiler.
  

• 2f66da16
  by Matthew Pickering at 2023-07-27T05:46:46-04:00

  Update bootstrap plans for ghc-platform and ghc-toolchain dependencies
  
  Fixes #23735
  

• c8c6eab1
  by Matthew Pickering at 2023-07-27T05:46:46-04:00

  bootstrap: Disable -selftest flag from bootstrap plans
  
  This saves on building one dependency (QuickCheck) which is unecessary
  for bootstrapping.
  

• a80ca086
  by Andrew Lelechenko at 2023-07-27T05:47:26-04:00

  Link reference paper and package from System.Mem.{StableName,Weak}
  

• a5319358
  by David Knothe at 2023-07-28T13:13:10-04:00

  Update Match Datatype
  
  EquationInfo currently contains a list of the equation's patterns together with a CoreExpr that is to be evaluated after a successful match on this equation.
  All the match-functions only operate on the first pattern of an equation - after successfully matching it, match is called recursively on the tail of the pattern list.
  We can express this more clearly and make the code a little more elegant by updating the datatype of EquationInfo as follows:
  
  data EquationInfo
      = EqnMatch { eqn_pat = Pat GhcTc, eqn_rest = EquationInfo }
      | EqnDone { eqn_rhs = MatchResult CoreExpr }
  
  An EquationInfo now explicitly exposes its first pattern which most functions operate on, and exposes the equation that remains after processing the first pattern. An EqnDone signifies an empty equation where the CoreExpr can now be evaluated.
  

• 86ad1af9
  by David Binder at 2023-07-28T13:13:53-04:00

  Improve documentation for Data.Fixed
  

• f8fa1d08
  by Ben Gamari at 2023-07-28T13:14:31-04:00

  ghc-prim: Use C11 atomics
  
  Previously `ghc-prim`'s atomic wrappers used the legacy `__sync_*`
  family of C builtins. Here we refactor these to rather use the
  appropriate C11 atomic equivalents, allowing us to be more explicit
  about the expected ordering semantics.
  

• 0bfc8908
  by Finley McIlwaine at 2023-07-28T18:46:26-04:00

  Include -haddock in DynFlags fingerprint
  
  The -haddock flag determines whether or not the resulting .hi files
  contain haddock documentation strings. If the existing .hi files do
  not contain haddock documentation strings and the user requests them,
  we should recompile.
  

• 40425c50
  by Andreas Klebinger at 2023-07-28T18:47:02-04:00

  Aarch64 NCG: Use encoded immediates for literals.
  
  Try to generate
  
      instr x2, <imm>
  
  instead of
  
      mov x1, lit
      instr x2, x1
  
  When possible. This get's rid if quite a few redundant
  mov instructions.
  
  I believe this causes a metric decrease for LargeRecords as
  we reduce register pressure.
  
  -------------------------
  Metric Decrease:
      LargeRecord
  -------------------------
  

• e9a0fa3f
  by Andrew Lelechenko at 2023-07-28T18:47:42-04:00

  Bump filepath submodule to 1.4.100.4
  
  Resolves #23741
  
  Metric Decrease:
      MultiComponentModules
      MultiComponentModulesRecomp
      MultiLayerModules
      MultiLayerModulesRecomp
      T10421
      T12234
      T12425
      T13035
      T13701
      T13719
      T16875
      T18304
      T18698a
      T18698b
      T21839c
      T9198
      TcPlugin_RewritePerf
      hard_hole_fits
  
  Metric decrease on Windows can be probably attributed to https://github.com/haskell/filepath/pull/183
  

• ee93edfd
  by Andrew Lelechenko at 2023-07-28T18:48:21-04:00

  Add since pragmas to GHC.IO.Handle.FD
  

• d0369802
  by Simon Peyton Jones at 2023-07-30T09:24:48+01:00

  Make the occurrence analyser smarter about join points
  
  This MR addresses #22404.  There is a big Note
  
     Note [Occurrence analysis for join points]
  
  that explains it all.  Significant changes
  
  * New field occ_join_points in OccEnv
  
  * The NonRec case of occAnalBind splits into two cases:
    one for existing join points (which does the special magic for
    Note [Occurrence analysis for join points], and one for other
    bindings.
  
  * mkOneOcc adds in info from occ_join_points.
  
  * All "bring into scope" activity is centralised in the
    new function `addInScope`.
  
  * I made a local data type LocalOcc for use inside the occurrence analyser
    It is like OccInfo, but lacks IAmDead and IAmALoopBreaker, which in turn
    makes computationns over it simpler and more efficient.
  
  * I found quite a bit of allocation in GHC.Core.Rules.getRules
    so I optimised it a bit.
  
  More minor changes
  
  * I found I was using (Maybe Arity) a lot, so I defined a new data
    type JoinPointHood and used it everwhere.  This touches a lot of
    non-occ-anal files, but it makes everything more perspicuous.
  
  * Renamed data constructor WithUsageDetails to WUD, and
    WithTailUsageDetails to WTUD
  
  This also fixes #21128, on the way.
  
  --------- Compiler perf -----------
  I spent quite a time on performance tuning, so even though it
  does more than before, the occurrence analyser runs slightly faster
  on average.  Here are the compile-time allocation changes over 0.5%
  
        CoOpt_Read(normal) ghc/alloc    766,025,520    754,561,992  -1.5%
  CoOpt_Singletons(normal) ghc/alloc    759,436,840    762,925,512  +0.5%
       LargeRecord(normal) ghc/alloc  1,814,482,440  1,799,530,456  -0.8%
         PmSeriesT(normal) ghc/alloc     68,159,272     67,519,720  -0.9%
            T10858(normal) ghc/alloc    120,805,224    118,746,968  -1.7%
            T11374(normal) ghc/alloc    164,901,104    164,070,624  -0.5%
            T11545(normal) ghc/alloc     79,851,808     78,964,704  -1.1%
            T12150(optasm) ghc/alloc     73,903,664     71,237,544  -3.6% GOOD
            T12227(normal) ghc/alloc    333,663,200    331,625,864  -0.6%
            T12234(optasm) ghc/alloc     52,583,224     52,340,344  -0.5%
            T12425(optasm) ghc/alloc     81,943,216     81,566,720  -0.5%
            T13056(optasm) ghc/alloc    294,517,928    289,642,512  -1.7%
        T13253-spj(normal) ghc/alloc    118,271,264     59,859,040 -49.4% GOOD
            T15164(normal) ghc/alloc  1,102,630,352  1,091,841,296  -1.0%
            T15304(normal) ghc/alloc  1,196,084,000  1,166,733,000  -2.5%
            T15630(normal) ghc/alloc    148,729,632    147,261,064  -1.0%
            T15703(normal) ghc/alloc    379,366,664    377,600,008  -0.5%
            T16875(normal) ghc/alloc     32,907,120     32,670,976  -0.7%
            T17516(normal) ghc/alloc  1,658,001,888  1,627,863,848  -1.8%
            T17836(normal) ghc/alloc    395,329,400    393,080,248  -0.6%
            T18140(normal) ghc/alloc     71,968,824     73,243,040  +1.8%
            T18223(normal) ghc/alloc    456,852,568    453,059,088  -0.8%
            T18282(normal) ghc/alloc    129,105,576    131,397,064  +1.8%
            T18304(normal) ghc/alloc     71,311,712     70,722,720  -0.8%
           T18698a(normal) ghc/alloc    208,795,112    210,102,904  +0.6%
           T18698b(normal) ghc/alloc    230,320,736    232,697,976  +1.0%  BAD
            T19695(normal) ghc/alloc  1,483,648,128  1,504,702,976  +1.4%
            T20049(normal) ghc/alloc     85,612,024     85,114,376  -0.6%
           T21839c(normal) ghc/alloc    415,080,992    410,906,216  -1.0% GOOD
             T4801(normal) ghc/alloc    247,590,920    250,726,272  +1.3%
             T6048(optasm) ghc/alloc     95,699,416     95,080,680  -0.6%
              T783(normal) ghc/alloc    335,323,384    332,988,120  -0.7%
             T9233(normal) ghc/alloc    709,641,224    685,947,008  -3.3% GOOD
             T9630(normal) ghc/alloc    965,635,712    948,356,120  -1.8%
             T9675(optasm) ghc/alloc    444,604,152    428,987,216  -3.5% GOOD
             T9961(normal) ghc/alloc    303,064,592    308,798,800  +1.9%  BAD
             WWRec(normal) ghc/alloc    503,728,832    498,102,272  -1.1%
  
                 geo. mean                                          -1.0%
                 minimum                                           -49.4%
                 maximum                                            +1.9%
  
  In fact these figures seem to vary between platforms; generally worse
  on i386 for some reason.  The Windows numbers vary by 1% espec in
  benchmarks where the total allocation is low. But the geom mean stays
  solidly negative, which is good.  The "increase/decrease" list below
  covers all platforms.
  
  The big win on T13253-spj comes because it has a big nest of join
  points, each occurring twice in the next one.  The new occ-anal takes
  only one iteration of the simplifier to do the inlining; the old one
  took four.  Moreover, we get much smaller code with the new one:
  
    New: Result size of Tidy Core
      = {terms: 429, types: 84, coercions: 0, joins: 14/14}
  
    Old: Result size of Tidy Core
      = {terms: 2,437, types: 304, coercions: 0, joins: 10/10}
  
  --------- Runtime perf -----------
  No significant changes in nofib results, except a 1% reduction in
  compiler allocation.
  
  Metric Decrease:
      CoOpt_Read
      T13253-spj
      T9233
      T9630
      T9675
      T12150
      T21839c
      LargeRecord
      MultiComponentModulesRecomp
      T10421
      T13701
      T10421
      T13701
      T12425
  
  Metric Increase:
      T18140
      T9961
      T18282
      T18698a
      T18698b
      T19695
  

• 42aa7fbd
  by Julian Ospald at 2023-07-30T17:22:01-04:00

  Improve documentation around IOException and ioe_filename
  
  See:
  
  * https://github.com/haskell/core-libraries-committee/issues/189
  * https://github.com/haskell/unix/pull/279
  * https://github.com/haskell/unix/pull/289
  

• 33598ecb
  by Sylvain Henry at 2023-08-01T14:45:54-04:00

  JS: implement getMonotonicTime (fix #23687)
  

• d2bedffd
  by Bartłomiej Cieślar at 2023-08-01T14:46:40-04:00

  Implementation of the Deprecated Instances proposal #575
  
  This commit implements the ability to deprecate certain instances,
  which causes the compiler to emit the desired deprecation message
  whenever they are instantiated. For example:
  
    module A where
    class C t where
    instance {-# DEPRECATED "dont use" #-} C Int where
  
    module B where
    import A
    f :: C t => t
    f = undefined
    g :: Int
    g = f -- "dont use" emitted here
  
  The implementation is as follows:
    - In the parser, we parse deprecations/warnings attached to instances:
  
        instance {-# DEPRECATED "msg" #-} Show X
        deriving instance {-# WARNING "msg2" #-} Eq Y
  
      (Note that non-standalone deriving instance declarations do not support
      this mechanism.)
  
    - We store the resulting warning message in `ClsInstDecl` (respectively, `DerivDecl`).
      In `GHC.Tc.TyCl.Instance.tcClsInstDecl` (respectively, `GHC.Tc.Deriv.Utils.newDerivClsInst`),
      we pass on that information to `ClsInst` (and eventually store it in `IfaceClsInst` too).
  
    - Finally, when we solve a constraint using such an instance, in
      `GHC.Tc.Instance.Class.matchInstEnv`, we emit the appropriate warning
      that was stored in `ClsInst`.
      Note that we only emit a warning when the instance is used in a different module
      than it is defined, which keeps the behaviour in line with the deprecation of
      top-level identifiers.
  
  Signed-off-by: Bartłomiej Cieślar <bcieslar2001@gmail.com>
  

• d5a65af6
  by Ben Gamari at 2023-08-01T14:47:18-04:00

  compiler: Style fixes
  

• 7218c80a
  by Ben Gamari at 2023-08-01T14:47:19-04:00

  rts: Fix implicit cast
  
  This ensures that Task.h can be built with a C++ compiler.
  

• d6d5aafc
  by Ben Gamari at 2023-08-01T14:47:19-04:00

  testsuite: Fix warning in hs_try_putmvar001
  

• d9eddf7a
  by Ben Gamari at 2023-08-01T14:47:19-04:00

  testsuite: Add AtomicModifyIORef test
  

• f9eea4ba
  by Ben Gamari at 2023-08-01T14:47:19-04:00

  rts: Introduce NO_WARN macro
  
  This allows fine-grained ignoring of warnings.
  

• 497b24ec
  by Ben Gamari at 2023-08-01T14:47:19-04:00

  rts: Simplify atomicModifyMutVar2# implementation
  
  Previously we would perform a redundant load in the non-threaded RTS in
  atomicModifyMutVar2# implementation for the benefit of the non-moving
  GC's write barrier. Eliminate this.
  

• 52ee082b
  by Ben Gamari at 2023-08-01T14:47:19-04:00

  rts: Introduce more principled fence operations
  

• cd3c0377
  by Ben Gamari at 2023-08-01T14:47:19-04:00

  rts: Introduce SET_INFO_RELAXED
  

• 6df2352a
  by Ben Gamari at 2023-08-01T14:47:19-04:00

  rts: Style fixes
  

• 4ef6f319
  by Ben Gamari at 2023-08-01T14:47:19-04:00

  codeGen/tsan: Rework handling of spilling
  

• f9ca7e27
  by Ben Gamari at 2023-08-01T14:47:19-04:00

  hadrian: More debug information
  

• df4153ac
  by Ben Gamari at 2023-08-01T14:47:19-04:00

  Improve TSAN documentation
  

• fecae988
  by Ben Gamari at 2023-08-01T14:47:19-04:00

  hadrian: More selective TSAN instrumentation
  

• 465a9a0b
  by Alan Zimmerman at 2023-08-01T14:47:56-04:00

  EPA: Provide correct annotation span for ImportDecl
  
  Use the whole declaration, rather than just the span of the 'import'
  keyword.
  
  Metric Decrease:
     T9961
     T5205
  Metric Increase:
    T13035
  

• ae63d0fa
  by Bartłomiej Cieślar at 2023-08-01T14:48:40-04:00

  Add cases to T23279: HasField for deprecated record fields
  
  This commit adds additional tests from ticket #23279 to ensure that we don't
  regress on reporting deprecated record fields in conjunction with HasField,
  either when using overloaded record dot syntax or directly through `getField`.
  
  Fixes #23279
  

• 00fb6e6b
  by Andreas Klebinger at 2023-08-01T14:49:17-04:00

  AArch NCG: Pure refactor
  
  Combine some alternatives. Add some line breaks for overly long lines
  

• 8f3b3b78
  by Andreas Klebinger at 2023-08-01T14:49:54-04:00

  Aarch ncg: Optimize immediate use for address calculations
  
  When the offset doesn't fit into the immediate we now just reuse the
  general getRegister' code path which is well optimized to compute the
  offset into a register instead of a special case for CmmRegOff.
  
  This means we generate a lot less code under certain conditions which is
  why performance metrics for these improve.
  
  -------------------------
  Metric Decrease:
      T4801
      T5321FD
      T5321Fun
  -------------------------
  

• 74a882dc
  by MorrowM at 2023-08-02T06:00:03-04:00

  Add a RULE to make lookup fuse
  
  See https://github.com/haskell/core-libraries-committee/issues/175
  
  Metric Increase:
      T18282
  

• cca74dab
  by Ben Gamari at 2023-08-02T06:00:39-04:00

  hadrian: Ensure that way-flags are passed to CC
  
  Previously the way-specific compilation flags (e.g. `-DDEBUG`,
  `-DTHREADED_RTS`) would not be passed to the CC invocations. This meant
  that C dependency files would not correctly reflect
  dependencies predicated on the way, resulting in the rather
  painful #23554.
  
  Closes #23554.
  

• 622b483c
  by Jaro Reinders at 2023-08-02T06:01:20-04:00

  Native 32-bit Enum Int64/Word64 instances
  
  This commits adds more performant Enum Int64 and Enum Word64 instances
  for 32-bit platforms, replacing the Integer-based implementation.
  
  These instances are a copy of the Enum Int and Enum Word instances with
  minimal changes to manipulate Int64 and Word64 instead.
  
  On i386 this yields a 1.5x performance increase and for the JavaScript
  back end it even yields a 5.6x speedup.
  
  Metric Decrease:
      T18964
  

• c8bd7fa4
  by Sylvain Henry at 2023-08-02T06:02:03-04:00

  JS: fix typos in constants (#23650)
  

• b9d5bfe9
  by Josh Meredith at 2023-08-02T06:02:40-04:00

  JavaScript: update MK_TUP macros to use current tuple constructors (#23659)
  

• 28211215
  by Matthew Pickering at 2023-08-02T06:03:19-04:00

  ci: Pass -Werror when building hadrian in hadrian-ghc-in-ghci job
  
  Warnings when building Hadrian can end up cluttering the output of HLS,
  and we've had bug reports in the past about these warnings when building
  Hadrian. It would be nice to turn on -Werror on at least one build of
  Hadrian in CI to avoid a patch introducing warnings when building
  Hadrian.
  
  Fixes #23638
  

• aca20a5d
  by Ben Gamari at 2023-08-02T06:03:55-04:00

  codeGen: Ensure that TSAN is aware of writeArray# write barriers
  
  By using a proper release store instead of a fence.
  

• 453c0531
  by Ben Gamari at 2023-08-02T06:03:55-04:00

  codeGen: Ensure that array reads have necessary barriers
  
  This was the cause of #23541.
  

• 93a0d089
  by Arnaud Spiwack at 2023-08-02T06:04:37-04:00

  Add test for #23550
  

• 6a2f4a20
  by Arnaud Spiwack at 2023-08-02T06:04:37-04:00

  Desugar non-recursive lets to non-recursive lets (take 2)
  
  This reverts commit 522bd584f71ddeda21efdf0917606ce3d81ec6cc. And
  takes care of the case that I missed in my previous attempt. Namely
  the case of an AbsBinds with no type variables and no dictionary
  variable.
  
  Ironically, the comment explaining why non-recursive lets were
  desugared to recursive lets were pointing specifically at this case
  as the reason. I just failed to understand that it was until Simon PJ
  pointed it out to me.
  
  See #23550 for more discussion.
  

• ff81d53f
  by jade at 2023-08-02T06:05:20-04:00

  Expand documentation of List & Data.List
  
  This commit aims to improve the documentation and examples
  of symbols exported from Data.List
  

• fa4e5913
  by Jade at 2023-08-02T06:06:03-04:00

  Improve documentation of Semigroup & Monoid
  
  This commit aims to improve the documentation of various symbols
  exported from Data.Semigroup and Data.Monoid
  

• 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
  

• e2c91bff
  by Gergő Érdi at 2023-08-03T02:55:46+01:00

  Desugar bindings in the context of their evidence
  
  Closes #23172
  

• 481f4a46
  by Gergő Érdi at 2023-08-03T07:48:43+01:00

  Add flag to `-f{no-}specialise-incoherents` to enable/disable specialisation of
  incoherent instances
  
  Fixes #23287
  

• d751c583
  by Profpatsch at 2023-08-04T12:24:26-04:00

  base: Improve String & IsString documentation
  

• 01db1117
  by Ben Gamari at 2023-08-04T12:25:02-04:00

  rts/win32: Ensure reliability of IO manager shutdown
  
  When the Win32 threaded IO manager shuts down, `ioManagerDie` sends an
  `IO_MANAGER_DIE` event to the IO manager thread using the
  `io_manager_event` event object. Finally, it will closes the event object,
  and invalidate `io_manager_event`.
  
  Previously, `readIOManagerEvent` would see that `io_manager_event` is
  invalid and return `0`, suggesting that everything is right with the
  world. This meant that if `ioManagerDie` invalidated the handle before
  the event manager was blocked on the event we would end up in a
  situation where the event manager would never realize it was asked to
  shut down.
  
  Fix this by ensuring that `readIOManagerEvent` instead returns
  `IO_MANAGER_DIE` when we detect that the event object has been
  invalidated by `ioManagerDie`.
  
  Fixes #23691.
  

• fdef003a
  by Ryan Scott at 2023-08-04T12:25:39-04:00

  Look through TH splices in splitHsApps
  
  This modifies `splitHsApps` (a key function used in typechecking function
  applications) to look through untyped TH splices and quasiquotes. Not doing so
  was the cause of #21077. This builds on !7821 by making `splitHsApps` match on
  `HsUntypedSpliceTop`, which contains the `ThModFinalizers` that must be run as
  part of invoking the TH splice. See the new `Note [Looking through Template
  Haskell splices in splitHsApps]` in `GHC.Tc.Gen.Head`.
  
  Along the way, I needed to make the type of `splitHsApps.set` slightly more
  general to accommodate the fact that the location attached to a quasiquote is
  a `SrcAnn NoEpAnns` rather than a `SrcSpanAnnA`.
  
  Fixes #21077.
  

• e77a0b41
  by Ben Gamari at 2023-08-04T12:26:15-04:00

  Bump deepseq submodule to 1.5.
  
  And bump bounds
  
  (cherry picked from commit 1228d3a4a08d30eaf0138a52d1be25b38339ef0b)
  

• cebb5819
  by Ben Gamari at 2023-08-04T12:26:15-04:00

  configure: Bump minimal boot GHC version to 9.4
  
  (cherry picked from commit d3ffdaf9137705894d15ccc3feff569d64163e8e)
  

• 83766dbf
  by Ben Gamari at 2023-08-04T12:26:15-04:00

  template-haskell: Bump version to 2.21.0.0
  
  Bumps exceptions submodule.
  
  (cherry picked from commit bf57fc9aea1196f97f5adb72c8b56434ca4b87cb)
  

• 1211112a
  by Ben Gamari at 2023-08-04T12:26:15-04:00

  base: Bump version to 4.19
  
  Updates all boot library submodules.
  
  (cherry picked from commit 433d99a3c24a55b14ec09099395e9b9641430143)
  

• 3ab5efd9
  by Ben Gamari at 2023-08-04T12:26:15-04:00

  testsuite: Normalise versions more aggressively
  
  In backpack hashes can contain `+` characters.
  
  (cherry picked from commit 024861af51aee807d800e01e122897166a65ea93)
  

• d52be957
  by Ben Gamari at 2023-08-04T12:26:15-04:00

  testsuite: Declare bkpcabal08 as fragile
  
  Due to spurious output changes described in #23648.
  
  (cherry picked from commit c046a2382420f2be2c4a657c56f8d95f914ea47b)
  

• e75a58d1
  by Ben Gamari at 2023-08-04T12:26:15-04:00

  gitlab-ci: Only mark linker_unload_native as broken in static jobs
  
  This test passes on dynamically-linked Alpine.
  
  (cherry picked from commit f356a7e8ec8ec3d6b2b30fd175598b9b80065d87)
  

• 8b176514
  by Ben Gamari at 2023-08-04T12:26:15-04:00

  testsuite: Update base-exports
  

• 4b647936
  by Ben Gamari at 2023-08-04T12:26:15-04:00

  testsuite/interface-stability: normalise versions
  
  This eliminates spurious changes from version bumps.
  

• 0eb54c05
  by Ben Gamari at 2023-08-04T12:26:51-04:00

  linker/PEi386: Don't sign-extend symbol section number
  
  Previously we incorrectly interpreted PE section numbers as signed
  values. However, this isn't the case; rather, it's an unsigned 16-bit number
  with a few special bit-patterns (0xffff and 0xfffe). This resulted in #22941
  as the linker would conclude that the sections were invalid.
  
  Fixing this required quite a bit of refactoring.
  
  Closes #22941.
  

• fd7ce39c
  by Ben Gamari at 2023-08-04T12:27:28-04:00

  testsuite: Mark MulMayOflo_full as broken rather than skipping
  
  To ensure that we don't accidentally fix it.
  
  See #23742.
  

• 824092f2
  by Ben Gamari at 2023-08-04T12:27:28-04:00

  nativeGen/AArch64: Fix sign extension in MulMayOflo
  
  Previously the 32-bit implementations of MulMayOflo would use the
  a non-sensical sign-extension mode. Rewrite these to reflect what gcc 11
  produces. Also similarly rework the 16- and 8-bit cases.
  
  This now passes the MulMayOflo tests in ghc/test-primops> in all four
  widths, including the precision tests.
  
  Fixes #23721.
  

• 1b15dbc4
  by Jan Hrček at 2023-08-04T12:28:08-04:00

  Fix haddock markup in code example for coerce
  

• 46fd8ced
  by Vladislav Zavialov at 2023-08-04T12:28:44-04:00

  Fix (~) and (@) infix operators in TH splices (#23748)
  
  8168b42a "Whitespace-sensitive bang patterns" allows GHC to accept
  the following infix operators:
  
  	a ~ b = ()
  	a @ b = ()
  
  But not if TH is used to generate those declarations:
  
  	$([d| a ~ b = ()
  	      a @ b = ()
  	    |])
  
  	-- Test.hs:5:2: error: [GHC-55017]
  	--    Illegal variable name: ‘~’
  	--    When splicing a TH declaration: (~_0) a_1 b_2 = GHC.Tuple.Prim.()
  
  This is easily fixed by modifying `reservedOps` in GHC.Utils.Lexeme
  

• a1899d8f
  by Aaron Allen at 2023-08-04T12:29:24-04:00

  [#23663] Show Flag Suggestions in GHCi
  
  Makes suggestions when using `:set` in GHCi with a misspelled flag. This
  mirrors how invalid flags are handled when passed to GHC directly. Logic
  for producing flag suggestions was moved to GHC.Driver.Sesssion so it
  can be shared.
  
  resolves #23663
  

• 03f2debd
  by Rodrigo Mesquita at 2023-08-04T12:30:00-04:00

  Improve ghc-toolchain validation configure warning
  
  Fixes the layout of the ghc-toolchain validation warning produced by
  configure.
  

• de25487d
  by Alan Zimmerman at 2023-08-04T12:30:36-04:00

  EPA make getLocA a synonym for getHasLoc
  
  This is basically a no-op change, but allows us to make future changes
  that can rely on the HasLoc instances
  
  And I presume this means we can use more precise functions based on
  class resolution, so the Windows CI build reports
  
  Metric Decrease:
      T12234
      T13035
  

• 3ac423b9
  by Ben Gamari at 2023-08-04T12:31:13-04:00

  ghc-platform: Add upper bound on base
  
  Hackage upload requires this.

• 8ba20b21
  by Matthew Craven at 2023-08-04T17:22:59-04:00

  Adjust and clarify handling of primop effects
  
  Fixes #17900; fixes #20195.
  
  The existing "can_fail" and "has_side_effects" primop attributes
  that previously governed this were used in inconsistent and
  confusingly-documented ways, especially with regard to raising
  exceptions.  This patch replaces them with a single "effect"
  attribute, which has four possible values: NoEffect, CanFail,
  ThrowsException, and ReadWriteEffect.  These are described in
  Note [Classifying primop effects].
  
  A substantial amount of related documentation has been re-drafted
  for clarity and accuracy.
  
  In the process of making this attribute format change for literally
  every primop, several existing mis-classifications were detected and
  corrected.  One of these mis-classifications was tagToEnum#, which
  is now considered CanFail; this particular fix is known to cause a
  regression in performance for derived Enum instances.  (See #23782.)
  Fixing this is left as future work.
  
  New primop attributes "cheap" and "work_free" were also added,
  and used in the corresponding parts of GHC.Core.Utils.
  
  In view of their actual meaning and uses, `primOpOkForSideEffects`
  and `exprOkForSideEffects` have been renamed to `primOpOkToDiscard`
  and `exprOkToDiscard`, respectively.
  
  Metric Increase:
      T21839c
  

• 41bf2c09
  by sheaf at 2023-08-04T17:23:42-04:00

  Update inert_solved_dicts for ImplicitParams
  
  When adding an implicit parameter dictionary to the inert set, we must
  make sure that it replaces any previous implicit parameter dictionaries
  that overlap, in order to get the appropriate shadowing behaviour, as in
  
    let ?x = 1 in let ?x = 2 in ?x
  
  We were already doing this for inert_cans, but we weren't doing the same
  thing for inert_solved_dicts, which lead to the bug reported in #23761.
  
  The fix is thus to make sure that, when handling an implicit parameter
  dictionary in updInertDicts, we update **both** inert_cans and
  inert_solved_dicts to ensure a new implicit parameter dictionary
  correctly shadows old ones.
  
  Fixes #23761
  

• 43578d60
  by Matthew Craven at 2023-08-05T01:05:36-04:00

  Bump bytestring submodule to 0.11.5.1
  

• 91353622
  by Ben Gamari at 2023-08-05T01:06:13-04:00

  Initial commit of Note [Thunks, blackholes, and indirections]
  
  This Note attempts to summarize the treatment of thunks, thunk update,
  and indirections.
  
  This fell out of work on #23185.
  

• 8d686854
  by sheaf at 2023-08-05T01:06:54-04:00

  Remove zonk in tcVTA
  
  This removes the zonk in GHC.Tc.Gen.App.tc_inst_forall_arg and its
  accompanying Note [Visible type application zonk]. Indeed, this zonk
  is no longer necessary, as we no longer maintain the invariant that
  types are well-kinded without zonking; only that typeKind does not
  crash; see Note [The Purely Kinded Type Invariant (PKTI)].
  
  This commit removes this zonking step (as well as a secondary zonk),
  and replaces the aforementioned Note with the explanatory
  Note [Type application substitution], which justifies why the
  substitution performed in tc_inst_forall_arg remains valid without
  this zonking step.
  
  Fixes #23661
  

• 19dea673
  by Ben Gamari at 2023-08-05T01:07:30-04:00

  Bump nofib submodule
  
  Ensuring that nofib can be build using the same range of bootstrap
  compilers as GHC itself.
  

• aa07402e
  by Luite Stegeman at 2023-08-05T23:15:55+09:00

  JS: Improve compatibility with recent emsdk
  
  The JavaScript code in libraries/base/jsbits/base.js had some
  hardcoded offsets for fields in structs, because we expected
  the layout of the data structures to remain unchanged. Emsdk
  3.1.42 changed the layout of the stat struct, breaking this
  assumption, and causing code in .hsc files accessing the
  stat struct to fail.
  
  This patch improves compatibility with recent emsdk by
  removing the assumption that data layouts stay unchanged:
  
      1. offsets of fields in structs used by JavaScript code are
         now computed by the configure script, so both the .js and
         .hsc files will automatically use the new layout if anything
         changes.
      2. the distrib/configure script checks that the emsdk version
         on a user's system is the same version that a bindist was
         booted with, to avoid data layout inconsistencies
  
  See #23641
  

• b938950d
  by Luite Stegeman at 2023-08-07T06:27:51-04:00

  JS: Fix missing local variable declarations
  
  This fixes some missing local variable declarations that were
  found by running the testsuite in strict mode.
  
  Fixes #23775
  

• 6c0e2247
  by sheaf at 2023-08-07T13:31:21-04:00

  Update Haddock submodule to fix #23368
  
  This submodule update adds the following three commits:
  
  bbf1c8ae - Check for puns
  0550694e - Remove fake exports for (~), List, and Tuple<n>
  5877bceb - Fix pretty-printing of Solo and MkSolo
  
  These commits fix the issues with Haddock HTML rendering reported in
  ticket #23368.
  
  Fixes #23368
  

• 5b5be3ea
  by Matthew Pickering at 2023-08-07T13:32:00-04:00

  Revert "Bump bytestring submodule to 0.11.5.1"
  
  This reverts commit 43578d60bfc478e7277dcd892463cec305400025.
  
  Fixes #23789
  

• 01961be3
  by Ben Gamari at 2023-08-08T02:47:14-04:00

  configure: Derive library version from ghc-prim.cabal.in
  
  Since ghc-prim.cabal is now generated by Hadrian, we cannot depend upon
  it.
  
  Closes #23726.
  

• 3b373838
  by Ryan Scott at 2023-08-08T02:47:49-04:00

  tcExpr: Push expected types for untyped TH splices inwards
  
  In !10911, I deleted a `tcExpr` case for `HsUntypedSplice` in favor of a much
  simpler case that simply delegates to `tcApp`. Although this passed the test
  suite at the time, this was actually an error, as the previous `tcExpr` case
  was critically pushing the expected type inwards. This actually matters for
  programs like the one in #23796, which GHC would not accept with type inference
  alone—we need full-blown type _checking_ to accept these.
  
  I have added back the previous `tcExpr` case for `HsUntypedSplice` and now
  explain why we have two different `HsUntypedSplice` cases (one in `tcExpr` and
  another in `splitHsApps`) in `Note [Looking through Template Haskell splices in
  splitHsApps]` in `GHC.Tc.Gen.Head`.
  
  Fixes #23796.
  

• 0ef1d8ae
  by sheaf at 2023-08-08T21:26:51-04:00

  Compute all emitted diagnostic codes
  
  This commit introduces in GHC.Types.Error.Codes the function
  
    constructorCodes :: forall diag. (...) => Map DiagnosticCode String
  
  which computes a collection of all the diagnostic codes that correspond
  to a particular type. In particular, we can compute the collection of
  all diagnostic codes emitted by GHC using the invocation
  
    constructorCodes @GhcMessage
  
  We then make use of this functionality in the new "codes" test which
  checks consistency and coverage of GHC diagnostic codes.
  It performs three checks:
  
    - check 1: all non-outdated GhcDiagnosticCode equations
      are statically used.
    - check 2: all outdated GhcDiagnosticCode equations
      are statically unused.
    - check 3: all statically used diagnostic codes are covered by
      the testsuite (modulo accepted exceptions).
  

• 4bc7b1e5
  by Fraser Tweedale at 2023-08-08T21:27:32-04:00

  numberToRangedRational: fix edge cases for exp ≈ (maxBound :: Int)
  
  Currently a negative exponent less than `minBound :: Int` results in
  Infinity, which is very surprising and obviously wrong.
  
  ```
  λ> read "1e-9223372036854775808" :: Double
  0.0
  λ> read "1e-9223372036854775809" :: Double
  Infinity
  ```
  
  There is a further edge case where the exponent can overflow when
  increased by the number of tens places in the integer part, or
  underflow when decreased by the number of leading zeros in the
  fractional part if the integer part is zero:
  
  ```
  λ> read "10e9223372036854775807" :: Double
  0.0
  λ> read "0.01e-9223372036854775808" :: Double
  Infinity
  ```
  
  To resolve both of these issues, perform all arithmetic and
  comparisons involving the exponent in type `Integer`.  This approach
  also eliminates the need to explicitly check the exponent against
  `maxBound :: Int` and `minBound :: Int`, because the allowed range
  of the exponent (i.e. the result of `floatRange` for the target
  floating point type) is certainly within those bounds.
  
  This change implements CLC proposal 192:
  https://github.com/haskell/core-libraries-committee/issues/192
  

• 6eab07b2
  by Alan Zimmerman at 2023-08-08T21:28:10-04:00

  EPA: Remove Location from WarningTxt source
  
  This is not needed.
  

• 1a98d673
  by Sebastian Graf at 2023-08-09T16:24:29-04:00

  Cleanup a TODO introduced in 1f94e0f7
  
  The change must have slipped through review of !4412
  

• 2274abc8
  by Sebastian Graf at 2023-08-09T16:24:29-04:00

  More explicit strictness in GHC.Real
  

• ce8aa54c
  by Sebastian Graf at 2023-08-09T16:24:30-04:00

  exprIsTrivial: Factor out shared implementation
  
  The duplication between `exprIsTrivial` and `getIdFromTrivialExpr_maybe` has
  been bugging me for a long time.
  
  This patch introduces an inlinable worker function `trivial_expr_fold` acting
  as the single, shared decision procedure of triviality. It "returns" a
  Church-encoded `Maybe (Maybe Id)`, so when it is inlined, it fuses to similar
  code as before.
  (Better code, even, in the case of `getIdFromTrivialExpr` which presently
  allocates a `Just` constructor that cancels away after this patch.)
  

• d004a36d
  by Sebastian Graf at 2023-08-09T16:24:30-04:00

  Simplify: Simplification of arguments in a single function
  
  The Simplifier had a function `simplArg` that wasn't called in `rebuildCall`,
  which seems to be the main way to simplify args. Hence I consolidated the code
  path to call `simplArg`, too, renaming to `simplLazyArg`.
  

• 8c73505e
  by Sebastian Graf at 2023-08-09T16:24:30-04:00

  Core.Ppr: Omit case binder for empty case alternatives
  
  A minor improvement to pretty-printing
  

• d8d993f1
  by Sebastian Graf at 2023-08-09T16:24:30-04:00

  Disable tests RepPolyWrappedVar2 and RepPolyUnsafeCoerce1 in JS backend
  
  ... because those coerce between incompatible/unknown PrimReps.
  

• f06e87e4
  by Sebastian Graf at 2023-08-09T16:24:30-04:00

  Inlining literals into boring contexts is OK
  

• 4a6b7c87
  by Sebastian Graf at 2023-08-09T16:24:30-04:00

  Clarify floating of unsafeEqualityProofs (#23754)
  

• b0f4752e
  by Sebastian Graf at 2023-08-09T16:24:30-04:00

  Kill SetLevel.notWorthFloating.is_triv (#23270)
  
  We have had it since b84ba676034, when it operated on annotated expressions.
  Nowadays it operates on vanilla `CoreExpr` though, so we should just call
  `exprIsTrivial`; thus handling empty cases and string literals correctly.
  

• 7e0c8b3b
  by Sebastian Graf at 2023-08-09T16:24:30-04:00

  ANFise string literal arguments (#23270)
  
  This instates the invariant that a trivial CoreExpr translates to an atomic
  StgExpr. Nice.
  
  Annoyingly, in -O0 we sometimes generate
  ```
  foo = case "blah"# of sat { __DEFAULT -> unpackCString# sat }
  ```
  which makes it a bit harder to spot that we can emit a standard
  `stg_unpack_cstring` thunk.
  
  Fixes #23270.
  

• 357f2738
  by Sebastian Graf at 2023-08-09T16:24:30-04:00

  Deactivate -fcatch-nonexhaustive-cases in ghc-bignum (#23345)
  

• 59202c80
  by Sebastian Graf at 2023-08-09T16:24:30-04:00

  CorePrep: Eliminate EmptyCase and unsafeEqualityProof in CoreToStg instead
  
  We eliminate EmptyCase by way of `coreToStg (Case e _ _ []) = coreToStg e` now.
  The main reason is that it plays far better in conjunction with eta expansion
  (as we aim to do for arguments in CorePrep, #23083), because we can discard
  any arguments, `(case e of {}) eta == case e of {}`, whereas in `(e |> co) eta`
  it's impossible to discard the argument.
  
  We do also give the same treatment to unsafeCoerce proofs and treat them as
  trivial iff their RHS is trivial.
  
  It is also both much simpler to describe than the previous mechanism of emitting
  an unsafe coercion and simpler to implement, removing quite a bit of commentary
  and `CorePrepProv`.
  
  In the ghc/alloc perf test `LargeRecord`, we introduce an additional Simplifier
  iteration due to #17910. E.g., FloatOut produces a binding
  ```
  lvl_s6uK [Occ=Once1] :: GHC.Types.Int
  [LclId]
  lvl_s6uK = GHC.Types.I# 2#
  
  lvl_s6uL [Occ=Once1] :: GHC.Types.Any
  [LclId]
  lvl_s6uL
    = case Unsafe.Coerce.unsafeEqualityProof ... of
      { Unsafe.Coerce.UnsafeRefl v2_i6tr -> lvl_s6uK `cast` (... v2_i6tr ...)
      }
  ```
  That occurs once and hence is pre-inlined unconditionally in the next Simplifier
  pass. It's non-trivial to find a way around that, but not really harmful
  otherwise. Hence we accept a 1.2% increase on some architectures.
  
  Metric Increase:
      LargeRecord
  

• 00d31188
  by Sebastian Graf at 2023-08-09T16:24:30-04:00

  CorePrep: Eta expand arguments (#23083)
  
  Previously, we'd only eta expand let bindings and lambdas,
  now we'll also eta expand arguments such as in T23083:
  ```hs
  g f h = f (h `seq` (h $))
  ```
  Unless `-fpedantic-bottoms` is set, we'll now transform to
  ```hs
  g f h = f (\eta -> h eta)
  ```
  in CorePrep.
  
  See the new `Note [Eta expansion of arguments in CorePrep]` for the details.
  
  We only do this optimisation with -O2 because we saw 2-3% ghc/alloc regressions
  in T4801 and T5321FD.
  
  Fixes #23083.
  

• bf885d7a
  by Matthew Craven at 2023-08-09T16:25:07-04:00

  Bump bytestring submodule to 0.11.5, again
  
  Fixes #23789.
  
  The bytestring commit used here is unreleased;
  a release can be made when necessary.
  

• 7acbf0fd
  by Sven Tennie at 2023-08-10T19:17:11-04:00

  Serialize CmmRetInfo in .rodata
  
  The handling of case was missing.
  

• 0c3136f2
  by Sven Tennie at 2023-08-10T19:17:11-04:00

  Reference StgRetFun payload by its struct field address
  
  This is easier to grasp than relative pointer offsets.
  

• f68ff313
  by Sven Tennie at 2023-08-10T19:17:11-04:00

  Better variable name: u -> frame
  
  The 'u' was likely introduced by copy'n'paste.
  

• 0131bb7f
  by Sven Tennie at 2023-08-10T19:17:11-04:00

  Make checkSTACK() public
  
  Such that it can also be used in tests.
  

• 7b6e1e53
  by Sven Tennie at 2023-08-10T19:17:11-04:00

  Publish stack related fields in DerivedConstants.h
  
  These will be used in ghc-heap to decode these parts of the stack.
  

• 907ed054
  by Sven Tennie at 2023-08-10T19:17:11-04:00

  ghc-heap: Decode StgStack and its stack frames
  
  Previously, ghc-heap could only decode heap closures.
  
  The approach is explained in detail in note
  [Decoding the stack].
  

• 6beb6ac2
  by Sven Tennie at 2023-08-10T19:17:11-04:00

  Remove RetFunType from RetFun stack frame representation
  
  It's a technical detail. The single usage is replaced by a predicate.
  

• 006bb4f3
  by Sven Tennie at 2023-08-10T19:17:11-04:00

  Better parameter name
  
  The call-site uses the term "offset", too.
  

• d4c2c1af
  by Sven Tennie at 2023-08-10T19:17:11-04:00

  Make closure boxing pure
  
  There seems to be no need to do something complicated. However, the
  strictness of the closure pointer matters, otherwise a thunk gets
  decoded.
  

• 8d8426c9
  by Sven Tennie at 2023-08-10T19:17:11-04:00

  Document entertainGC in test
  
  It wasn't obvious why it's there and what its role is.
  
  Also, increase the "entertainment level" a bit.
  
  I checked in STG and Cmm dumps that this really generates closures (and
  is not e.g. constant folded away.)
  

• cc52c358
  by Finley McIlwaine at 2023-08-10T19:17:47-04:00

  Add -dipe-stats flag
  
  This is useful for seeing which info tables have information.
  

• 261c4acb
  by Finley McIlwaine at 2023-08-10T19:17:47-04:00

  Add -finfo-table-map-with-fallback -finfo-table-map-with-stack
  
  The -fno-info-table-map-with-stack flag omits STACK info tables from the info
  table map, and the -fno-info-table-map-with-fallback flag omits info tables
  with defaulted source locations from the map. In a test on the Agda codebase
  the build results were about 7% smaller when both of those types of tables
  were omitted.
  
  Adds a test that verifies that passing each combination of these flags
  results in the correct output for -dipe-stats, which is disabled for the js
  backend since profiling is not implemented.
  
  This commit also refactors a lot of the logic around extracting info tables
  from the Cmm results and building the info table map.
  
  This commit also fixes some issues in the users guide rst source to fix
  warnings that were noticed while debugging the documentation for these flags.
  
  Fixes #23702
  

• d7047e0d
  by Jaro Reinders at 2023-08-14T04:41:42-04:00

  Add changelog entry for specialised Enum Int64/Word64 instances
  

• 52f5e8fb
  by cydparser at 2023-08-14T04:42:20-04:00

  Fix -ddump-to-file and -ddump-timings interaction (#20316)
  

• 1274c5d6
  by cydparser at 2023-08-14T04:42:20-04:00

  Update release notes (#20316)
  

• 8e699b23
  by Matthew Pickering at 2023-08-14T10:44:47-04:00

  base: Add changelog entry for CLC #188
  
  This proposal modified the implementations of copyBytes, moveBytes and
  fillBytes (as detailed in the proposal)
  
  https://github.com/haskell/core-libraries-committee/issues/188
  

• 026f040a
  by Matthew Pickering at 2023-08-14T10:45:23-04:00

  packaging: Build manpage in separate directory to other documentation
  
  We were installing two copies of the manpage:
  
  * One useless one in the `share/doc` folder, because we copy the doc/
    folder into share/
  * The one we deliberately installed into `share/man` etc
  
  The solution is to build the manpage into the `manpage` directory when
  building the bindist, and then just install it separately.
  
  Fixes #23707
  

• 524c60c8
  by Bartłomiej Cieślar at 2023-08-14T13:46:33-04:00

  Report deprecated fields bound by record wildcards when used
  
  This commit ensures that we emit the appropriate warnings when
  a deprecated record field bound by a record wildcard is used.
  
  For example:
  
      module A where
      data Foo = Foo {x :: Int, y :: Bool, z :: Char}
  
      {-# DEPRECATED x "Don't use x" #-}
      {-# WARNING y "Don't use y" #-}
  
      module B where
      import A
  
      foo (Foo {..}) = x
  
  This will cause us to emit a "Don't use x" warning, with location the
  location of the record wildcard. Note that we don't warn about `y`,
  because it is unused in the RHS of `foo`.
  
  Fixes #23382
  

• d6130065
  by Matthew Pickering at 2023-08-14T13:47:11-04:00

  Add zstd suffix to jobs which rely on zstd
  
  This was causing some confusion as the job was named simply
  "x86_64-linux-deb10-validate", which implies a standard configuration
  rather than any dependency on libzstd.
  

• e24e44fc
  by Matthew Pickering at 2023-08-14T13:47:11-04:00

  ci: Always run project-version job
  
  This is needed for the downstream test-primops pipeline to workout what
  the version of a bindist produced by a pipeline is.
  

• f17b9d62
  by Matthew Pickering at 2023-08-14T13:47:11-04:00

  gen_ci: Rework how jobs-metadata.json is generated
  
  * We now represent a job group a triple of Maybes, which makes it easier
    to work out when jobs are enabled/disabled on certain pipelines.
  
  ```
  data JobGroup a = StandardTriple { v :: Maybe (NamedJob a)
                                   , n :: Maybe (NamedJob a)
                                   , r :: Maybe (NamedJob a) }
  ```
  
  * `jobs-metadata.json`  generation is reworked using the following
    algorithm.
    - For each pipeline type, find all the platforms we are doing builds
      for.
    - Select one build per platform
    - Zip together the results
  
  This way we can choose different pipelines for validate/nightly/release
  which makes the metadata also useful for validate pipelines. This
  feature is used by the test-primops downstream CI in order to select the
  right bindist for testing validate pipelines.
  
  This makes it easier to inspect which jobs are going to be enabled on a
  particular pipeline.
  

• f9a5563d
  by Matthew Pickering at 2023-08-14T13:47:11-04:00

  gen_ci: Rules rework
  
  In particular we now distinguish between whether we are dealing with a
  Nightly/Release pipeline (which labels don't matter for) and a validate
  pipeline where labels do matter.
  
  The overall goal here is to allow a disjunction of labels for validate
  pipelines, for example,
  
  > Run a job if we have the full-ci label or test-primops label
  
  Therefore the "ValidateOnly" rules are treated as a set of disjunctions
  rather than conjunctions like before.
  
  What this means in particular is that if we want to ONLY run a job if a
  label is set, for example, "FreeBSD" label then we have to override the
  whole label set.
  
  Fixes #23772
  

• d54b0c1d
  by Matthew Pickering at 2023-08-14T13:47:11-04:00

  ci: set -e for lint-ci-config scripts
  

• 994a9b35
  by Matthew Pickering at 2023-08-14T13:47:11-04:00

  ci: Fix job metadata generation
  

• e194ed2b
  by Ben Gamari at 2023-08-15T00:58:09-04:00

  users-guide: Note that GHC2021 doesn't include ExplicitNamespaces
  
  As noted in #23801.
  

• d814bda9
  by Ben Gamari at 2023-08-15T05:43:53-04:00

  users-guide: Support both distutils and packaging
  
  As noted in #23818, some old distributions (e.g. Debian 9) only include
  `distutils` while newer distributions only include `packaging`.
  
  Fixes #23818.
  

• 1726db3f
  by Ben Gamari at 2023-08-15T05:43:53-04:00

  users-guide: Ensure extlinks is compatible with Sphinx <4
  
  The semantics of the `extlinks` attribute annoyingly changed in Sphinx
  4. Reflect this in our configuration. See #22690.
  
  Fixes #23807.
  

• 173338cf
  by Matthew Pickering at 2023-08-15T22:00:24-04:00

  ci: Run full-ci on master and release branches
  
  Fixes #23737
  

• bdab6898
  by Andrew Lelechenko at 2023-08-15T22:01:03-04:00

  Add @since pragmas for Data.Ord.clamp and GHC.Float.clamp
  

• 662d351b
  by Matthew Pickering at 2023-08-16T09:35:04-04:00

  ghc-toolchain: Match CPP args with configure script
  
  At the moment we need ghc-toolchain to precisely match the output as
  provided by the normal configure script. The normal configure script
  (FP_HSCPP_CMD_WITH_ARGS) branches on whether we are using clang or gcc
  so we match that logic exactly in ghc-toolchain.
  
  The old implementation (which checks if certain flags are supported) is
  better but for now we have to match to catch any potential errors in the
  configuration.
  
  Ticket: #23720
  

• 09c6759e
  by Matthew Pickering at 2023-08-16T09:35:04-04:00

  configure: Fix `-Wl,--no-as-needed` check
  
  The check was failing because the args supplied by $$1 were quoted which
  failed because then the C compiler thought they were an input file.
  
  Fixes #23720
  

• 2129678b
  by Matthew Pickering at 2023-08-16T09:35:04-04:00

  configure: Add flag which turns ghc-toolchain check into error
  
  We want to catch these errors in CI, but first we need to a flag which
  turns this check into an error.
  

• 6e2aa8e0
  by Matthew Pickering at 2023-08-16T09:35:04-04:00

  ci: Enable --enable-strict-ghc-toolchain-check for all CI jobs
  
  This will cause any CI job to fail if we have a mismatch between what
  ghc-toolchain reports and what ./configure natively reports. Fixing
  these kinds of issues is highest priority for 9.10 release.
  

• 12d39e24
  by Rodrigo Mesquita at 2023-08-16T09:35:04-04:00

  Pass user-specified options to ghc-toolchain
  
  The current user interface to configuring target toolchains is `./configure`.
  
  In !9263 we added a new tool to configure target toolchains called
  `ghc-toolchain`, but the blessed way of creating these toolchains is
  still through configure.
  
  However, we were not passing the user-specified options given with the
  `./configure` invocation to the ghc-toolchain tool.
  
  This commit remedies that by storing the user options and environment
  variables in USER_* variables, which then get passed to GHC-toolchain.
  
  The exception to the rule is the windows bundled toolchain, which
  overrides the USER_* variables with whatever flags the windows bundled
  toolchain requires to work.
  We consider the bundled toolchain to be effectively the user specifying
  options, since the actual user delegated that configuration work.
  
  Closes #23678
  

• f7b3c3a0
  by Rodrigo Mesquita at 2023-08-16T09:35:04-04:00

  ghc-toolchain: Parse javascript and ghcjs as a Arch and OS
  

• 8a0ae4ee
  by Rodrigo Mesquita at 2023-08-16T09:35:04-04:00

  ghc-toolchain: Fix ranlib option
  

• 31e9ec96
  by Rodrigo Mesquita at 2023-08-16T09:35:04-04:00

  Check Link Works with -Werror
  

• bc1998b3
  by Matthew Pickering at 2023-08-16T09:35:04-04:00

  Only check for no_compact_unwind support on darwin
  
  While writing ghc-toolchain we noticed that the
  FP_PROG_LD_NO_COMPACT_UNWIND check is subtly wrong. Specifically, we
  pass -Wl,-no_compact_unwind to cc. However, ld.gold interprets this as
  -n o_compact_unwind, which is a valid argument.
  
  Fixes #23676
  

• 0283f36e
  by Matthew Pickering at 2023-08-16T09:35:04-04:00

  Add some javascript special cases to ghc-toolchain
  
  On javascript there isn't a choice of toolchain but some of the
  configure checks were not accurately providing the correct answer.
  
  1. The linker was reported as gnu LD because the --version output
     mentioned gnu LD.
  2. The --target flag makes no sense on javascript but it was just
     ignored by the linker, so we add a special case to stop ghc-toolchain
     thinking that emcc supports --target when used as a linker.
  

• a48ec5f8
  by Matthew Pickering at 2023-08-16T09:35:04-04:00

  check for emcc in gnu_LD check
  

• 50df2e69
  by Matthew Pickering at 2023-08-16T09:35:04-04:00

  Add ldOverrideWhitelist to only default to ldOverride on windows/linux
  
  On some platforms - ie darwin, javascript etc we really do not want to
  allow the user to use any linker other than the default one as this
  leads to all kinds of bugs. Therefore it is a bit more prudant to add a
  whitelist which specifies on which platforms it might be possible to use
  a different linker.
  

• a669a39c
  by Matthew Pickering at 2023-08-16T09:35:04-04:00

  Fix plaform glob in FPTOOLS_SET_C_LD_FLAGS
  
  A normal triple may look like
  
  x86_64-unknown-linux
  
  but when cross-compiling you get $target set to a quad such as..
  
  aarch64-unknown-linux-gnu
  
  Which should also match this check.
  

• c52b6769
  by Matthew Pickering at 2023-08-16T09:35:04-04:00

  ghc-toolchain: Pass ld-override onto ghc-toolchain
  

• 039b484f
  by Matthew Pickering at 2023-08-16T09:35:04-04:00

  ld override: Make whitelist override user given option
  

• d2b63cbc
  by Matthew Pickering at 2023-08-16T09:35:05-04:00

  ghc-toolchain: Add format mode to normalise differences before diffing.
  
  The "format" mode takes an "--input" and "--ouput" target file and
  formats it.
  
  This is intended to be useful on windows where the
  configure/ghc-toolchain target files can't be diffed very easily because
  the path separators are different.
  

• f2b39e4a
  by Matthew Pickering at 2023-08-16T09:35:05-04:00

  ghc-toolchain: Bump ci-images commit to get new ghc-wasm-meta
  
  We needed to remove -Wno-unused-command-line-argument from the arguments
  passed in order for the configure check to report correctly.
  
  See https://gitlab.haskell.org/ghc/ghc/-/merge_requests/10976#note_516335
  

• 92103830
  by Matthew Pickering at 2023-08-16T09:35:05-04:00

  configure: MergeObjsCmd - distinguish between empty string and unset variable
  
  If `MergeObjsCmd` is explicitly set to the empty string then we should
  assume that MergeObjs is just not supported.
  
  This is especially important for windows where we set MergeObjsCmd to ""
  in m4/fp_setup_windows_toolchain.m4.
  

• 3500bb2c
  by Matthew Pickering at 2023-08-16T09:35:05-04:00

  configure: Add proper check to see if object merging works
  

• 08c9a014
  by Matthew Pickering at 2023-08-16T09:35:05-04:00

  ghc-toolchain: If MergeObjsCmd is not set, replace setting with Nothing
  
  If the user explicitly chooses to not set a MergeObjsCmd then it is
  correct to use Nothing for tgtMergeObjs field in the Target file.
  

• c9071d94
  by Matthew Pickering at 2023-08-16T09:35:05-04:00

  HsCppArgs: Augment the HsCppOptions
  
  This is important when we pass -I when setting up the windows toolchain.
  

• 294a6d80
  by Matthew Pickering at 2023-08-16T09:35:05-04:00

  Set USER_CPP_ARGS when setting up windows toolchain
  

• bde4b5d4
  by Rodrigo Mesquita at 2023-08-16T09:35:05-04:00

  Improve handling of Cc as a fallback
  

• f4c1c3a3
  by Rodrigo Mesquita at 2023-08-16T09:35:05-04:00

  ghc-toolchain: Configure Cpp and HsCpp correctly when user specifies flags
  
  In ghc-toolchain, we were only /not/ configuring required flags when the
  user specified any flags at all for the  of the HsCpp and Cpp tools.
  
  Otherwise, the linker takes into consideration the user specified flags
  to determine whether to search for a better linker implementation, but
  already configured the remaining GHC and platform-specific flags
  regardless of the user options.
  
  Other Tools consider the user options as a baseline for further
  configuration (see `findProgram`), so #23689 is not applicable.
  
  Closes #23689
  

• bfe4ffac
  by Matthew Pickering at 2023-08-16T09:35:05-04:00

  CPP_ARGS: Put new options after user specified options
  
  This matches up with the behaviour of ghc-toolchain, so that the output
  of both matches.
  

• a6828173
  by Gergő Érdi at 2023-08-16T09:35:41-04:00

  If a defaulting plugin made progress, re-zonk wanteds before built-in defaulting
  
  Fixes #23821.
  

• e2b38115
  by Sylvain Henry at 2023-08-17T07:54:06-04:00

  JS: implement openat(AT_FDCWD...) (#23697)
  
  Use `openSync` to implement `openat(AT_FDCWD...)`.
  

• a975c663
  by sheaf at 2023-08-17T07:54:47-04:00

  Use unsatisfiable for missing methods w/ defaults
  
  When a class instance has an Unsatisfiable constraint in its context
  and the user has not explicitly provided an implementation of a method,
  we now always provide a RHS of the form `unsatisfiable @msg`, even
  if the method has a default definition available. This ensures that,
  when deferring type errors, users get the appropriate error message
  instead of a possible runtime loop, if class default methods were
  defined recursively.
  
  Fixes #23816
  

• 45ca51e5
  by Ben Gamari at 2023-08-17T15:16:41-04:00

  ghc-internal: Initial commit of the skeleton
  

• 88bbf8c5
  by Ben Gamari at 2023-08-17T15:16:41-04:00

  ghc-experimental: Initial commit
  

• 664468c0
  by Ben Gamari at 2023-08-17T15:17:17-04:00

  testsuite/cloneStackLib: Fix incorrect format specifiers
  

• eaa835bb
  by Ben Gamari at 2023-08-17T15:17:17-04:00

  rts/ipe: Fix const-correctness of IpeBufferListNode
  
  Both info tables and the string table should be `const`
  

• 78f6f6fd
  by Ben Gamari at 2023-08-17T15:17:17-04:00

  nonmoving: Drop dead debugging utilities
  
  These are largely superceded by support in the ghc-utils GDB extension.
  

• 3f6e8f42
  by Ben Gamari at 2023-08-17T15:17:17-04:00

  nonmoving: Refactor management of mark thread
  
  Here we refactor that treatment of the worker thread used by the
  nonmoving GC for concurrent marking, avoiding creating a new thread with
  every major GC cycle. As well, the new scheme is considerably easier to
  reason about, consolidating all state in one place, accessed via a small
  set of accessors with clear semantics.
  

• 88c32b7d
  by Ben Gamari at 2023-08-17T15:17:17-04:00

  testsuite: Skip T23221 in nonmoving GC ways
  
  This test is very dependent upon GC behavior.
  

• 381cfaed
  by Ben Gamari at 2023-08-17T15:17:17-04:00

  ghc-heap: Don't expose stack dirty and marking fields
  
  These are GC metadata and are not relevant to the end-user. Moreover,
  they are unstable which makes ghc-heap harder to test than necessary.
  

• 16828ca5
  by Luite Stegeman at 2023-08-21T18:42:53-04:00

  bump process submodule to include macOS fix and JS support
  

• b4d5f6ed
  by Matthew Pickering at 2023-08-21T18:43:29-04:00

  ci: Add support for triggering test-primops pipelines
  
  This commit adds 4 ways to trigger testing with test-primops.
  
  1. Applying the ~test-primops label to a validate pipeline.
  2. A manually triggered job on a validate pipeline
  3. A nightly pipeline job
  4. A release pipeline job
  
  Fixes #23695
  

• 32c50daa
  by Matthew Pickering at 2023-08-21T18:43:29-04:00

  Add test-primops label support
  
  The test-primops CI job requires some additional builds in the
  validation pipeline, so we make sure to enable these jobs when
  test-primops label is set.
  

• 73ca8340
  by Matthew Pickering at 2023-08-21T18:43:29-04:00

  Revert "Aarch ncg: Optimize immediate use for address calculations"
  
  This reverts commit 8f3b3b78a8cce3bd463ed175ee933c2aabffc631.
  
  See #23793
  

• 5546ad9e
  by Matthew Pickering at 2023-08-21T18:43:29-04:00

  Revert "AArch NCG: Pure refactor"
  
  This reverts commit 00fb6e6b06598752414a0b9a92840fb6ca61338d.
  
  See #23793
  

• 02dfcdc2
  by Matthew Pickering at 2023-08-21T18:43:29-04:00

  Revert "Aarch64 NCG: Use encoded immediates for literals."
  
  This reverts commit 40425c5021a9d8eb5e1c1046e2d5fa0a2918f96c.
  
  See #23793
  
  -------------------------
  Metric Increase:
      T4801
      T5321FD
      T5321Fun
  -------------------------
  

• 7be4a272
  by Matthew Pickering at 2023-08-22T08:55:20+01:00

  ci: Remove manually triggered test-ci job
  
  This doesn't work on slimmed down pipelines as the needed jobs don't
  exist.
  
  If you want to run test-primops then apply the label.
  

• 76a4d11b
  by Jaro Reinders at 2023-08-22T08:08:13-04:00

  Remove Ptr example from roles docs
  

• 069729d3
  by Bryan Richter at 2023-08-22T08:08:49-04:00

  Guard against duplicate pipelines in forks
  

• f861423b
  by Rune K. Svendsen at 2023-08-22T08:09:35-04:00

  dump-decls: fix "Ambiguous module name"-error
  
  Fixes errors of the following kind, which happen when dump-decls is run on a package that contains a module name that clashes with that of another package.
  
  ```
  dump-decls: <no location info>: error:
      Ambiguous module name `System.Console.ANSI.Types':
        it was found in multiple packages:
        ansi-terminal-0.11.4 ansi-terminal-types-0.11.5
  ```
  

• edd8bc43
  by Krzysztof Gogolewski at 2023-08-22T12:31:20-04:00

  Fix MultiWayIf linearity checking (#23814)
  
  Co-authored-by: Thomas BAGREL <thomas.bagrel@tweag.io>
  

• 4ba088d1
  by konsumlamm at 2023-08-22T12:32:02-04:00

  Update `Control.Concurrent.*` documentation
  

• 015886ec
  by ARATA Mizuki at 2023-08-22T15:13:13-04:00

  Support 128-bit SIMD on AArch64 via LLVM backend
  

• 52a6d868
  by Krzysztof Gogolewski at 2023-08-22T15:13:51-04:00

  Testsuite cleanup
  
  - Remove misleading help text in perf_notes, ways are not metrics
  - Remove no_print_summary - this was used for Phabricator
  - In linters tests, run 'git ls-files' just once.
    Previously, it was called on each has_ls_files()
  - Add ghc-prim.cabal to gitignore, noticed in #23726
  - Remove ghc-prim.cabal, it was accidentally committed in 524c60c8cd
  

• ab40aa52
  by Alan Zimmerman at 2023-08-22T15:14:28-04:00

  EPA: Use Introduce [DeclTag] in AnnSortKey
  
  The AnnSortKey is used to keep track of the order of declarations for
  printing when the container has split them apart.
  
  This applies to HsValBinds and ClassDecl, ClsInstDecl.
  
  When making modifications to the list of declarations, the new order
  must be captured for when it must be printed. For each list of
  declarations (binds and sigs for a HsValBind) we can just store the
  list in order.
  
  To recreate the list when printing, we must merge them, and this is
  what the AnnSortKey records. It used to be indexed by SrcSpan, we now
  simply index by a marker as to which list to take the next item from.
  

• e7db36c1
  by sheaf at 2023-08-23T08:41:28-04:00

  Don't attempt pattern synonym error recovery
  
  This commit gets rid of the pattern synonym error recovery mechanism
  (recoverPSB). The rationale is that the fake pattern synonym binding
  that the recovery mechanism introduced could lead to undesirable
  knock-on errors, and it isn't really feasible to conjure up a
  satisfactory binding as pattern synonyms can be used both in expressions
  and patterns.
  See Note [Pattern synonym error recovery] in GHC.Tc.TyCl.PatSyn.
  
  It isn't such a big deal to eagerly fail compilation on a pattern synonym
  that doesn't typecheck anyway.
  
  Fixes #23467
  

• 6ccd9d65
  by Ben Gamari at 2023-08-23T08:42:05-04:00

  base: Don't use Data.ByteString.Internals.memcpy
  
  This function is now deprecated from `bytestring`. Use
  `Foreign.Marshal.Utils.copyBytes` instead.
  
  Fixes #23880.
  

• 0bfa0031
  by Matthew Pickering at 2023-08-23T13:43:48-04:00

  hadrian: Uniformly pass buildOptions to all builders in runBuilder
  
  In Builder.hs, runBuilderWith mostly ignores the buildOptions in BuildInfo.
  
  This leads to hard to diagnose bugs as any build options you pass with
  runBuilderWithCmdOptions are ignored for many builders.
  
  Solution: Uniformly pass buildOptions to the invocation of cmd.
  
  Fixes #23845
  

• 9cac8f11
  by Matthew Pickering at 2023-08-23T13:43:48-04:00

  Abstract windows toolchain setup
  
  This commit splits up the windows toolchain setup logic into two
  functions.
  
  * FP_INSTALL_WINDOWS_TOOLCHAIN - deals with downloading the toolchain if
    it isn't already downloaded
  * FP_SETUP_WINDOWS_TOOLCHAIN - sets the environment variables to point
    to the correct place
  
  FP_SETUP_WINDOWS_TOOLCHAIN is abstracted from the location of the mingw
  toolchain and also the eventual location where we will install the
  toolchain in the installed bindist.
  
  This is the first step towards #23608
  

• 6c043187
  by Matthew Pickering at 2023-08-23T13:43:48-04:00

  Generate build.mk for bindists
  
  The config.mk.in script was relying on some variables which were
  supposed to be set by build.mk but therefore never were when used to
  install a bindist.
  
  Specifically
  
  * BUILD_PROF_LIBS to determine whether we had profiled libraries or not
  * DYNAMIC_GHC_PROGRAMS to determine whether we had shared libraries or
    not
  
  Not only were these never set but also not really accurate because you
  could have shared libaries but still statically linked ghc executable.
  
  In addition variables like GhcLibWays were just never used, so those
  have been deleted from the script.
  
  Now instead we generate a build.mk file which just directly specifies
  which RtsWays we have supplied in the bindist and whether we have
  DYNAMIC_GHC_PROGRAMS.
  

• fe23629b
  by Matthew Pickering at 2023-08-23T13:43:48-04:00

  hadrian: Add reloc-binary-dist-* targets
  
  This adds a command line option to build a "relocatable" bindist.
  
  The bindist is created by first creating a normal bindist and then
  installing it using the `RelocatableBuild=YES` option. This creates a
  bindist without any wrapper scripts pointing to the libdir.
  
  The motivation for this feature is that we want to ship relocatable
  bindists on windows and this method is more uniform than the ad-hoc
  method which lead to bugs such as #23608 and #23476
  
  The relocatable bindist can be built with the "reloc-binary-dist" target
  and supports the same suffixes as the normal "binary-dist" command to
  specify the compression style.
  

• 41cbaf44
  by Matthew Pickering at 2023-08-23T13:43:48-04:00

  packaging: Fix installation scripts on windows/RelocatableBuild case
  
  This includes quite a lot of small fixes which fix the installation
  makefile to work on windows properly. This also required fixing the
  RelocatableBuild variable which seemed to have been broken for a long
  while.
  
  Sam helped me a lot writing this patch by providing a windows machine to
  test the changes. Without him it would have taken ages to tweak
  everything.
  
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  

• 03474456
  by Matthew Pickering at 2023-08-23T13:43:48-04:00

  ci: Build relocatable bindist on windows
  
  We now build the relocatable bindist target on windows, which means we
  test and distribute the new method of creating a relocatable bindist.
  

• d0b48113
  by Matthew Pickering at 2023-08-23T13:43:48-04:00

  hadrian: Add error when trying to build binary-dist target on windows
  
  The binary dist produced by `binary-dist` target doesn't work on windows
  because of the wrapper script the makefile installs. In order to not
  surprise any packagers we just give an error if someone tries to build
  the old binary-dist target rather than the reloc-binary-dist target.
  

• 7cbf9361
  by Matthew Pickering at 2023-08-23T13:43:48-04:00

  hadrian: Remove query' logic to use tooldir
  

• 03fad42e
  by Matthew Pickering at 2023-08-23T13:43:48-04:00

  configure: Set WindresCmd directly and removed unused variables
  
  For some reason there was an indirection via the Windres variable before
  setting WindresCmd. That indirection led to #23855.
  
  I then also noticed that these other variables were just not used
  anywhere when trying to work out what the correct condition was for this
  bit of the configure script.
  

• c82770f5
  by sheaf at 2023-08-23T13:43:48-04:00

  Apply shellcheck suggestion to SUBST_TOOLDIR

• 896e35e5
  by sheaf at 2023-08-23T13:44:34-04:00

  Compute hints from TcSolverReportMsg
  
  This commit changes how hints are handled in conjunction with
  constraint solver report messages.
  
  Instead of storing `[GhcHint]` in the TcRnSolverReport error constructor,
  we compute the hints depending on the underlying TcSolverReportMsg.
  This disentangles the logic and makes it easier to add new hints for
  certain errors.
  

• a05cdaf0
  by Alexander Esgen at 2023-08-23T13:45:16-04:00

  users-guide: remove note about fatal Haddock parse failures
  

• 4908d798
  by Ben Gamari at 2023-08-23T17:36:41-04:00

  base: Introduce Data.Enum
  

• f59707c7
  by Ben Gamari at 2023-08-23T17:36:41-04:00

  base: Add export list to GHC.Num.Integer
  

• b1054053
  by Ben Gamari at 2023-08-23T17:36:41-04:00

  base: Add export list to GHC.Num
  

• 6baa481d
  by Ben Gamari at 2023-08-23T17:36:41-04:00

  base: Add export list to GHC.Num.Natural
  

• 2ac15233
  by Ben Gamari at 2023-08-23T17:36:41-04:00

  base: Add export list to GHC.Float
  

• f3c489de
  by Ben Gamari at 2023-08-23T17:36:41-04:00

  base: Add export list to GHC.Real
  

• 94f59eaa
  by Ben Gamari at 2023-08-23T17:36:41-04:00

  base: Eliminate module reexport in GHC.Exception
  
  The metric increase here isn't strictly due to this commit but it's a
  rather small, incidental change.
  
  Metric Increase:
      T8095
      T13386
  
  Metric Decrease:
      T8095
      T13386
      T18304
  

• be1fc7df
  by Ben Gamari at 2023-08-23T17:36:41-04:00

  base: Add disclaimers in internal modules
  
  To warn users that these modules are internal and their interfaces may
  change with little warning.
  
  As proposed in Core Libraries Committee #146 [CLC146].
  
  [CLC146]: https://github.com/haskell/core-libraries-committee/issues/146
  

• 0326f3f4
  by sheaf at 2023-08-23T17:37:29-04:00

  Bump Cabal submodule
  
  We need to bump the Cabal submodule to include commit ec75950
  which fixes an issue with a dodgy import Rep(..) which relied
  on GHC bug #23570
  

• 0504cd08
  by Facundo Domínguez at 2023-08-23T17:38:11-04:00

  Fix typos in the documentation of Data.OldList.permutations

• 1420b8cb
  by Antoine Leblanc at 2023-08-24T16:18:17-04:00

  Be more eager in TyCon boot validity checking
  
  This commit performs boot-file consistency checking for TyCons into
  checkValidTyCl. This ensures that we eagerly catch any mismatches,
  which prevents the compiler from seeing these inconsistencies and
  panicking as a result.
  
  See Note [TyCon boot consistency checking] in GHC.Tc.TyCl.
  
  Fixes #16127
  

• d99c816f
  by Finley McIlwaine at 2023-08-24T16:18:55-04:00

  Refactor estimation of stack info table provenance
  
  This commit greatly refactors the way we compute estimated provenance for stack
  info tables. Previously, this process was done using an entirely separate traversal
  of the whole Cmm code stream to build the map from info tables to source locations.
  The separate traversal is now fused with the Cmm code generation pipeline in
  GHC.Driver.Main.
  
  This results in very significant code generation speed ups when -finfo-table-map is
  enabled. In testing, this patch reduces code generation times by almost 30% with
  -finfo-table-map and -O0, and 60% with -finfo-table-map and -O1 or -O2 .
  
  Fixes #23103
  

• d3e0124c
  by Finley McIlwaine at 2023-08-24T16:18:55-04:00

  Add a test checking overhead of -finfo-table-map
  
  We want to make sure we don't end up with poor codegen performance resulting from
  -finfo-table-map again as in #23103. This test adds a performance test tracking
  total allocations while compiling ExactPrint with -finfo-table-map.
  

• fcfc1777
  by Ben Gamari at 2023-08-25T10:58:16-04:00

  llvmGen: Add export list to GHC.Llvm.MetaData
  

• 5880fff6
  by Ben Gamari at 2023-08-25T10:58:16-04:00

  llvmGen: Allow LlvmLits in MetaExprs
  
  This omission appears to be an oversight.
  

• 86ce92a2
  by Ben Gamari at 2023-08-25T10:58:16-04:00

  compiler: Move platform feature predicates to GHC.Driver.DynFlags
  
  These are useful in `GHC.Driver.Config.*`.
  

• a6a38742
  by Ben Gamari at 2023-08-25T10:58:16-04:00

  llvmGen: Introduce infrastructure for module flag metadata
  

• e9af2cf3
  by Ben Gamari at 2023-08-25T10:58:16-04:00

  llvmGen: Don't pass stack alignment via command line
  
  As of https://reviews.llvm.org/D103048 LLVM no longer supports the
  `-stack-alignment=...` flag. Instead this information is passed via a
  module flag metadata node.
  
  This requires dropping support for LLVM 11 and 12.
  
  Fixes #23870
  

• a936f244
  by Alan Zimmerman at 2023-08-25T10:58:56-04:00

  EPA: Keep track of "in" token for WarningTxt category
  
  A warning can now be written with a category, e.g.
  
      {-# WARNInG in "x-c" e "d" #-}
  
  Keep track of the location of the 'in' keyword and string, as well as
  the original SourceText of the label, in case it uses character escapes.
  

• 3df8a653
  by Matthew Pickering at 2023-08-25T17:42:18-04:00

  Remove redundant import in InfoTableProv
  
  The copyBytes function is provided by the import of Foreign.
  
  Fixes #23889
  

• d6f807ec
  by Ben Gamari at 2023-08-25T17:42:54-04:00

  gitlab/issue-template: Mention report-a-bug

• 50b9f75d
  by Artin Ghasivand at 2023-08-26T20:02:50+03:30

  Added StandaloneKindSignature examples to replace CUSKs ones
  

• 2f6309a4
  by Vladislav Zavialov at 2023-08-27T03:47:37-04:00

  Remove outdated CPP in compiler/* and template-haskell/*
  
  The boot compiler was bumped to 9.4 in cebb5819b43.
  There is no point supporting older GHC versions with CPP.
  

• 5248fdf7
  by Zubin Duggal at 2023-08-28T15:01:09+05:30

  testsuite: Add regression test for #23861
  
  Simon says this was fixed by
  
  commit 8d68685468d0b6e922332a3ee8c7541efbe46137
  Author: sheaf <sam.derbyshire@gmail.com>
  Date:   Fri Aug 4 15:28:45 2023 +0200
  
      Remove zonk in tcVTA
  

• b6903f4d
  by Zubin Duggal at 2023-08-28T12:33:58-04:00

  testsuite: Add regression test for #23864
  
  Simon says this was fixed by
  
  commit 59202c800f2c97c16906120ab2561f6e1556e4af
  Author: Sebastian Graf <sebastian.graf@kit.edu>
  Date:   Fri Mar 31 17:35:22 2023 +0200
  
      CorePrep: Eliminate EmptyCase and unsafeEqualityProof in CoreToStg instead
  
      We eliminate EmptyCase by way of `coreToStg (Case e _ _ []) = coreToStg e` now.
      The main reason is that it plays far better in conjunction with eta expansion
      (as we aim to do for arguments in CorePrep, #23083), because we can discard
      any arguments, `(case e of {}) eta == case e of {}`, whereas in `(e |> co) eta`
      it's impossible to discard the argument.
  

• 9eecdf33
  by sheaf at 2023-08-28T18:54:06+00:00

  Remove ScopedTypeVariables => TypeAbstractions
  
  This commit implements [amendment 604](https://github.com/ghc-proposals/ghc-proposals/pull/604/)
  to [GHC proposal 448](https://github.com/ghc-proposals/ghc-proposals/pull/448)
  by removing the implication of language extensions
  
    ScopedTypeVariables => TypeAbstractions
  
  To limit breakage, we now allow type arguments in constructor patterns
  when both ScopedTypeVariables and TypeApplications are enabled, but
  we emit a warning notifying the user that this is deprecated behaviour
  that will go away starting in GHC 9.12.
  
  Fixes #23776
  

• fadd5b4d
  by sheaf at 2023-08-28T18:54:06+00:00

  .stderr: ScopedTypeVariables =/> TypeAbstractions
  
  This commit accepts testsuite changes for the changes in the previous
  commit, which mean that TypeAbstractions is no longer implied by
  ScopedTypeVariables.
  

• 4f5fb500
  by Greg Steuck at 2023-08-29T07:55:13-04:00

  Repair `codes` test on OpenBSD by explicitly requesting extended RE
  

• 6bbde581
  by Vasily Sterekhov at 2023-08-29T12:06:58-04:00

  Add test for #23540
  
  `T23540.hs` makes use of `explainEv` from `HieQueries.hs`, so
  `explainEv` has been moved to `TestUtils.hs`.
  

• 257bb3bd
  by Vasily Sterekhov at 2023-08-29T12:06:58-04:00

  Add test for #23120
  

• 4f192947
  by Vasily Sterekhov at 2023-08-29T12:06:58-04:00

  Make some evidence uses reachable by toHie
  
  Resolves #23540, #23120
  
  This adds spans to certain expressions in the typechecker and renamer,
  and lets 'toHie' make use of those spans. Therefore the relevant
  evidence uses for the following syntax will now show up under the
  expected nodes in 'HieAst's:
  
  - Overloaded literals ('IsString', 'Num', 'Fractional')
  
  - Natural patterns and N+k patterns ('Eq', 'Ord', and instances from the
    overloaded literals being matched on)
  
  - Arithmetic sequences ('Enum')
  
  - Monadic bind statements ('Monad')
  
  - Monadic body statements ('Monad', 'Alternative')
  
  - ApplicativeDo ('Applicative', 'Functor')
  
  - Overloaded lists ('IsList')
  
  Also see Note [Source locations for implicit function calls]
  
  In the process of handling overloaded lists I added an extra 'SrcSpan'
  field to 'VAExpansion' - this allows us to more accurately reconstruct
  the locations from the renamer in 'rebuildHsApps'. This also happens to
  fix #23120.
  
  See the additions to Note [Looking through HsExpanded]
  

• fe9fcf9d
  by Sylvain Henry at 2023-08-29T12:07:50-04:00

  ghc-heap: rename C file (fix #23898)
  

• b60d6576
  by Krzysztof Gogolewski at 2023-08-29T12:08:29-04:00

  Misc cleanup
  
  - Builtin.PrimOps: ReturnsAlg was used only for unboxed tuples.
    Rename to ReturnsTuple.
  - Builtin.Utils: use SDoc for a panic message.
    The comment about <<details unavailable>> was obsoleted by e8d356773b56.
  - TagCheck: fix wrong logic. It was zipping a list 'args' with its
    version 'args_cmm' after filtering.
  - Core.Type: remove an outdated 1999 comment about unlifted polymorphic types
  - hadrian: remove leftover debugging print
  

• 3054fd6d
  by Krzysztof Gogolewski at 2023-08-29T12:09:08-04:00

  Add a regression test for #23903
  
  The bug has been fixed by commit bad2f8b8aa8424.
  

• 21584b12
  by Ben Gamari at 2023-08-29T19:52:02-04:00

  README: Refer to ghc-hq repository for contributor and governance information
  

• e542d590
  by sheaf at 2023-08-29T19:52:40-04:00

  Export setInertSet from GHC.Tc.Solver.Monad
  
  We used to export getTcSInerts and setTcSInerts from GHC.Tc.Solver.Monad.
  These got renamed to getInertSet/setInertSet in e1590ddc. That commit also removed
  the export of setInertSet, but that function is useful for the GHC API.
  

• 694ec5b1
  by sheaf at 2023-08-30T10:18:32-04:00

  Don't bundle children for non-parent Avails
  
  We used to bundle all children of the parent Avail with things that
  aren't the parent, e.g. with
  
    class C a where
      type T a
      meth :: ..
  
  we would bundle the whole Avail (C, T, meth) with all of C, T and meth,
  instead of only with C.
  
  Avoiding this fixes #23570
  

• d926380d
  by Krzysztof Gogolewski at 2023-08-30T10:19:08-04:00

  Fix typos
  

• d07080d2
  by Josh Meredith at 2023-08-30T19:42:32-04:00

  JS: Implement missing C functions `rename`, `realpath`, and `getcwd` (#23806)
  

• e2940272
  by David Binder at 2023-08-30T19:43:08-04:00

  Bump submodules of hpc and hpc-bin to version 0.7.0.0
  
  hpc 0.7.0.0 dropped SafeHaskell safety guarantees in order to simplify
  compatibility with newer versions of the directory package which
  dropped all SafeHaskell guarantees.
  

• 5d56d05c
  by David Binder at 2023-08-30T19:43:08-04:00

  Bump hpc bound in ghc.cabal.in
  

• 99fff496
  by Dominik Schrempf at 2023-08-31T00:04:46-04:00

  ghc classes documentation: rm redundant comment
  

• fe021bab
  by Dominik Schrempf at 2023-08-31T00:04:46-04:00

  prelude documentation: various nits
  

• 48c84547
  by Dominik Schrempf at 2023-08-31T00:04:46-04:00

  integer documentation: minor corrections
  

• 20cd12f4
  by Dominik Schrempf at 2023-08-31T00:04:46-04:00

  real documentation: nits
  

• dd39bdc0
  by sheaf at 2023-08-31T00:05:27-04:00

  Add a test for #21765
  
  This issue (of reporting a constraint as being redundant even though
  removing it causes typechecking to fail) was fixed in aed1974e.
  This commit simply adds a regression test.
  
  Fixes #21765
  

• f1ec3628
  by Andrew Lelechenko at 2023-08-31T23:53:30-04:00

  Export foldl' from Prelude and bump submodules
  
  See https://github.com/haskell/core-libraries-committee/issues/167 for discussion
  
  Metric Decrease:
      T8095
      T13386
  Metric Increase:
      T13386
      T8095
  
  T8095 ghc/alloc decreased on x86_64, but increased on aarch64.
  T13386 ghc/alloc decreased on x86_64-windows, but increased on other platforms.
  Neither has anything to do with `foldl'`, so I conclude that both are flaky.
  

• 3181b97d
  by Gergő Érdi at 2023-08-31T23:54:06-04:00

  Allow cross-tyvar defaulting proposals from plugins
  
  Fixes #23832.
  

• 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.
  

• e4af506e
  by Sebastian Graf at 2023-09-01T14:29:12-04:00

  Clarify Note [GlobalId/LocalId] after CorePrep (#23797)
  
  Fixes #23797.
  

• ac29787c
  by Sylvain Henry at 2023-09-01T14:30:02-04:00

  Fix warning with UNPACK on sum type (#23921)
  

• 9765ac7b
  by Zubin Duggal at 2023-09-05T00:37:45-04:00

  hadrian: track python dependencies in doc rules
  

• 1578215f
  by sheaf at 2023-09-05T00:38:26-04:00

  Bump Haddock to fix #23616
  
  This commit updates the Haddock submodule to include
  the fix to #23616.
  
  Fixes #23616
  

• 5a2fe35a
  by David Binder at 2023-09-05T00:39:07-04:00

  Fix example in GHC user guide in SafeHaskell section
  
  The example given in the SafeHaskell section uses an implementation of
  Monad which no longer works. This MR removes the non-canonical return
  instance and adds the necessary instances of Functor and Applicative.
  

• 291d81ae
  by Matthew Pickering at 2023-09-05T14:03:10-04:00

  driver: Check transitive closure of haskell package dependencies when deciding whether to relink
  
  We were previously just checking whether direct package dependencies had
  been modified. This caused issues when compiling without optimisations
  as we wouldn't relink the direct dependency if one of its dependenices
  changed.
  
  Fixes #23724
  

• 35da0775
  by Krzysztof Gogolewski at 2023-09-05T14:03:47-04:00

  Re-export GHC.Utils.Panic.Plain from GHC.Utils.Panic
  
  Fixes #23930
  

• 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.
  

• 3930d793
  by Jaro Reinders at 2023-09-06T18:42:55-04:00

  Make STG rewriter produce updatable closures
  

• 0104221a
  by Krzysztof Gogolewski at 2023-09-06T18:43:32-04:00

  configure: update message to use hadrian (#22616)
  

• b34f8586
  by Alan Zimmerman at 2023-09-07T10:58:38-04:00

  EPA: Incorrect locations for UserTyVar with '@'
  
  In T13343.hs, the location for the @ is not within the span of the
  surrounding UserTyVar.
  
    type Bad @v = (forall (v1 :: RuntimeRep) (a1 :: TYPE v). a1) :: TYPE v
  
  Widen it so it is captured.
  
  Closes #23887
  

• 8046f020
  by Finley McIlwaine at 2023-09-07T10:59:15-04:00

  Bump haddock submodule to fix #23920
  
  Removes the fake export of `FUN` from Prelude. Fixes #23920.
  
  Bumps haddock submodule.
  

• e0aa8c6e
  by Krzysztof Gogolewski at 2023-09-07T11:00:03-04:00

  Fix wrong role in mkSelCo_maybe
  
  In the Lint failure in #23938, we start with a coercion Refl :: T a ~R T a,
  and call mkSelCo (SelTyCon 1 nominal) Refl.
  The function incorrectly returned Refl :: a ~R a. The returned role
  should be nominal, according to the SelCo rule:
  
        co : (T s1..sn) ~r0 (T t1..tn)
        r = tyConRole tc r0 i
        ----------------------------------
        SelCo (SelTyCon i r) : si ~r ti
  
  In this test case, r is nominal while r0 is representational.
  

• 1d92f2df
  by Gergő Érdi at 2023-09-08T04:04:30-04:00

  If we have multiple defaulting plugins, then we should zonk in between them
  
  after any defaulting has taken place, to avoid a defaulting plugin seeing
  a metavariable that has already been filled.
  
  Fixes #23821.
  

• eaee4d29
  by Gergő Érdi at 2023-09-08T04:04:30-04:00

  Improvements to the documentation of defaulting plugins
  
  Based on @simonpj's draft and comments in !11117
  

• ede3df27
  by Alan Zimmerman at 2023-09-08T04:05:06-04:00

  EPA: Incorrect span for LWarnDec GhcPs
  
  The code (from T23465.hs)
  
      {-# WARNInG in "x-c" e "d" #-}
      e = e
  
  gives an incorrect span for the LWarnDecl GhcPs
  
  Closes #23892
  
  It also fixes the Test23465/Test23464 mixup
  

• a0ccef7a
  by Krzysztof Gogolewski at 2023-09-08T04:05:42-04:00

  Valid hole fits: don't suggest unsafeCoerce (#17940)
  

• 9ab5a448
  by Alan Zimmerman at 2023-09-08T18:26:53+01:00

  Match changes in wip/az/T23885-unicode-funtycon
  

• 88b942c4
  by Oleg Grenrus at 2023-09-08T19:58:42-04:00

  Add warning for badly staged types.
  
  Resolves #23829.
  
  The stage violation results in out-of-bound names in splices.
  Technically this is an error, but someone might rely on this!?
  
  Internal changes:
  - we now track stages for TyVars.
  - thLevel (RunSplice _) = 0, instead of panic, as reifyInstances does
    in fact rename its argument type, and it can contain variables.
  

• 9861f787
  by Ben Gamari at 2023-09-08T19:59:19-04:00

  rts: Fix invalid symbol type
  
  I suspect this code is dead since we haven't observed this failing
  despite the obviously incorrect macro name.
  

• 03ed6a9a
  by Ben Gamari at 2023-09-08T19:59:19-04:00

  testsuite: Add simple test exercising C11 atomics in GHCi
  
  See #22012.
  

• 1aa5733a
  by Ben Gamari at 2023-09-08T19:59:19-04:00

  rts/RtsSymbols: Add AArch64 outline atomic operations
  
  Fixes #22012 by adding the symbols described in
  https://github.com/llvm/llvm-project/blob/main/llvm/docs/Atomics.rst#libcalls-atomic.
  
  Ultimately this would be better addressed by #22011, but this is a first
  step in the right direction and fixes the immediate symptom.
  
  Note that we dropped the `__arch64_cas16` operations as these provided
  by all platforms's compilers. Also, we don't link directly against the
  libgcc/compiler-rt definitions but rather provide our own wrappers to
  work around broken toolchains (e.g. https://bugs.gentoo.org/868018).
  
  Generated via https://gitlab.haskell.org/ghc/ghc/-/snippets/5733.
  

• 8f7d3041
  by Matthew Pickering at 2023-09-08T19:59:55-04:00

  ci: Build debian12 and fedora38 bindists
  
  This adds builds for the latest releases for fedora and debian
  
  We build these bindists in nightly and release pipelines.
  

• a1f0d55c
  by Felix Leitz at 2023-09-08T20:00:37-04:00

  Fix documentation around extension implication for MultiParamTypeClasses/ConstrainedClassMethods.
  

• 98166389
  by Teo Camarasu at 2023-09-12T04:30:54-04:00

  docs: move -xn flag beside --nonmoving-gc
  
  It makes sense to have these beside each other as they are aliases.
  

• f367835c
  by Teo Camarasu at 2023-09-12T04:30:55-04:00

  nonmoving: introduce a family of dense allocators
  
  Supplement the existing power 2 sized nonmoving allocators with a family
  of dense allocators up to a configurable threshold.
  
  This should reduce waste from rounding up block sizes while keeping the
  amount of allocator sizes manageable.
  
  This patch:
    - Adds a new configuration option `--nonmoving-dense-allocator-count`
      to control the amount of these new dense allocators.
    - Adds some constants to `NonmovingAllocator` in order to keep
      marking fast with the new allocators.
  
  Resolves #23340
  

• 2b07bf2e
  by Teo Camarasu at 2023-09-12T04:30:55-04:00

  Add changelog entry for #23340
  

• f96fe681
  by sheaf at 2023-09-12T04:31:44-04:00

  Use printGhciException in run{Stmt, Decls}
  
  When evaluating statements in GHCi, we need to use printGhciException
  instead of the printException function that GHC provides in order to
  get the appropriate error messages that are customised for ghci use.
  

• d09b932b
  by psilospore at 2023-09-12T04:31:44-04:00

  T23686: Suggest how to enable Language Extension when in ghci
  Fixes #23686
  

• da30f0be
  by Matthew Craven at 2023-09-12T04:32:24-04:00

  Unarise: Split Rubbish literals in function args
  
  Fixes #23914.  Also adds a check to STG lint that
  these args are properly unary or nullary after unarisation
  

• 261b6747
  by Matthew Pickering at 2023-09-12T04:33:04-04:00

  darwin: Bump MAXOSX_DEPLOYMENT_TARGET to 10.13
  
  This bumps the minumum supported version to 10.13 (High Sierra) which is
  6 years old at this point.
  
  Fixes #22938
  

• f418f919
  by Mario Blažević at 2023-09-12T04:33:45-04:00

  Fix TH pretty-printing of nested GADTs, issue #23937
  
  This commit fixes `Language.Haskell.TH.Ppr.pprint` so that it correctly
  pretty-prints GADTs declarations contained within data family instances.
  
  Fixes #23937
  

• d7a64753
  by John Ericson at 2023-09-12T04:34:20-04:00

  Put hadrian non-bootstrap plans through `jq`
  
  This makes it possible to review changes with conventional diffing
  tools.
  
  This is picking up where ad8cfed4195b1bbfc15b841f010e75e71f63157d left
  off.
  

• ff0a709a
  by Sylvain Henry at 2023-09-12T08:46:28-04:00

  JS: fix some tests
  
  - Tests using Setup programs need to pass --with-hc-pkg
  - Several other fixes
  
  See https://gitlab.haskell.org/ghc/ghc/-/wikis/javascript-backend/bug_triage
  for the current status
  

• fc86f0e7
  by Krzysztof Gogolewski at 2023-09-12T08:47:04-04:00

  Fix in-scope set assertion failure (#23918)
  
  Patch by Simon
  

• 21a906c2
  by Matthew Pickering at 2023-09-12T17:21:04+02:00

  Add -Winconsistent-flags warning
  
  The warning fires when inconsistent command line flags are passed.
  
  For example:
  
  * -dynamic-too and -dynamic
  * -dynamic-too on windows
  * -O and --interactive
  * etc
  
  This is on by default and allows users to control whether the warning is
  displayed and whether it should be an error or not.
  
  Fixes #22572
  

• dfc4f426
  by Krzysztof Gogolewski at 2023-09-12T20:31:35-04:00

  Avoid serializing BCOs with the internal interpreter
  
  Refs #23919
  

• 9217950b
  by Finley McIlwaine at 2023-09-13T08:06:03-04:00

  Fix numa auto configure
  

• 98e7c1cf
  by Simon Peyton Jones at 2023-09-13T08:06:40-04:00

  Add -fno-cse to T15426 and T18964
  
  This -fno-cse change is to avoid these performance tests depending on
  flukey CSE stuff.  Each contains several independent tests, and we don't
  want them to interact.
  
  See #23925.
  
  By killing CSE we expect a 400% increase in T15426, and 100% in T18964.
  
  Metric Increase:
      T15426
      T18964
  

• 236a134e
  by Simon Peyton Jones at 2023-09-13T08:06:40-04:00

  Tiny refactor
  
  canEtaReduceToArity was only called internally, and always with
  two arguments equal to zero.  This patch just specialises the
  function, and renames it to cantEtaReduceFun.
  
  No change in behaviour.
  

• 56b403c9
  by Ben Gamari at 2023-09-13T19:21:36-04:00

  spec-constr: Lift argument limit for SPEC-marked functions
  
  When the user adds a SPEC argument to a function, they are informing us
  that they expect the function to be specialised. However, previously
  this instruction could be preempted by the specialised-argument limit
  (sc_max_args). Fix this.
  
  This fixes #14003.
  

• 6840012e
  by Simon Peyton Jones at 2023-09-13T19:22:13-04:00

  Fix eta reduction
  
  Issue #23922 showed that GHC was bogusly eta-reducing a join point.
  We should never eta-reduce (\x -> j x) to j, if j is a join point.
  
  It is extremly difficult to trigger this bug.  It took me 45 mins of
  trying to make a small tests case, here immortalised as T23922a.
  

• e5c00092
  by Andreas Klebinger at 2023-09-14T08:57:43-04:00

  Profiling: Properly escape characters when using `-pj`.
  
  There are some ways in which unusual characters like quotes or others
  can make it into cost centre names. So properly escape these.
  
  Fixes #23924
  

• ec490578
  by Ellie Hermaszewska at 2023-09-14T08:58:24-04:00

  Use clearer example variable names for bool eliminator
  

• 5126a2fe
  by Sylvain Henry at 2023-09-15T11:18:02-04:00

  Add missing int64/word64-to-double/float rules (#23907)
  
  CLC proposal: https://github.com/haskell/core-libraries-committee/issues/203
  

• 566ef411
  by Mario Blažević at 2023-09-15T11:18:43-04:00

  Fix and test TH pretty-printing of type operator role declarations
  
  This commit fixes and tests `Language.Haskell.TH.Ppr.pprint` so that it
  correctly pretty-prints `type role` declarations for operator names.
  
  Fixes #23954
  

• 8e05c54a
  by Simon Peyton Jones at 2023-09-16T01:42:33-04:00

  Use correct FunTyFlag in adjustJoinPointType
  
  As the Lint error in #23952 showed, the function adjustJoinPointType
  was failing to adjust the FunTyFlag when adjusting the type.
  
  I don't think this caused the seg-fault reported in the ticket,
  but it is definitely.  This patch fixes it.
  
  It is tricky to come up a small test case; Krzysztof came up with
  this one, but it only triggers a failure in GHC 9.6.
  

• 778c84b6
  by Pierre Le Marre at 2023-09-16T01:43:15-04:00

  Update to Unicode 15.1.0
  
  See: https://www.unicode.org/versions/Unicode15.1.0/
  

• f9d79a6c
  by Alan Zimmerman at 2023-09-18T00:00:14-04:00

  EPA: track unicode version for unrestrictedFunTyCon
  
  Closes #23885
  
  Updates haddock submodule
  

• 9374f116
  by Andrew Lelechenko at 2023-09-18T00:00:54-04:00

  Bump parsec submodule to allow text-2.1 and bytestring-0.12
  

• 7ca0240e
  by Ben Gamari at 2023-09-18T15:16:48-04:00

  base: Advertise linear time of readFloat
  
  As noted in #23538, `readFloat` has runtime that scales nonlinearly in
  the size of its input. Consequently, its use on untrusted input can
  be exploited as a denial-of-service vector. Point this out and suggest
  use of `read` instead.
  
  See #23538.
  

• f3f58f13
  by Simon Peyton Jones at 2023-09-18T15:17:24-04:00

  Remove dead code GHC.CoreToStg.Prep.canFloat
  
  This function never fires, so we can delete it: #23965.
  

• ccab5b15
  by Ben Gamari at 2023-09-18T15:18:02-04:00

  base/changelog: Move fix for #23907 to 9.8.1 section
  
  Since the fix was backported to 9.8.1
  

• 51b57d65
  by Matthew Pickering at 2023-09-19T08:44:31-04:00

  Add aarch64 alpine bindist
  
  This is dynamically linked and makes creating statically linked
  executables more straightforward.
  
  Fixes #23482
  

• 02c87213
  by Matthew Pickering at 2023-09-19T08:44:31-04:00

  Add aarch64-deb11 bindist
  
  This adds a debian 11 release job for aarch64.
  
  Fixes #22005
  

• 8b61dfd6
  by Alexis King at 2023-09-19T08:45:13-04:00

  Don’t store the async exception masking state in CATCH frames
  

• 86d2971e
  by doyougnu at 2023-09-19T19:08:19-04:00

  compiler,ghci: error codes link to HF error index
  
  closes: #23259
  
  - adds -fprint-error-index-links={auto|always|never} flag
  

• 5f826c18
  by sheaf at 2023-09-19T19:09:03-04:00

  Pass quantified tyvars in tcDefaultAssocDecl
  
  This commit passes the correct set of quantified type variables written
  by the user in associated type default declarations for validity
  checking. This ensures that validity checking of associated type defaults
  mirrors that of standalone type family instances.
  
  Fixes #23768 (see testcase T23734 in subsequent commit)
  

• aba18424
  by sheaf at 2023-09-19T19:09:03-04:00

  Avoid panic in mkGADTVars
  
  This commit avoids panicking in mkGADTVars when we encounter
  a type variable as in #23784 that is bound by a user-written
  forall but not actually used.
  
  Fixes #23784
  

• a525a92a
  by sheaf at 2023-09-19T19:09:03-04:00

  Adjust reporting of unused tyvars in data FamInsts
  
  This commit adjusts the validity checking of data family
  instances to improve the reporting of unused type variables.
  
  See Note [Out of scope tvs in data family instances] in GHC.Tc.Validity.
  
  The problem was that, in a situation such as
  
    data family D :: Type
    data instance forall (d :: Type). D = MkD
  
  the RHS passed to 'checkFamPatBinders' would be the TyCon app
  
    R:D d
  
  which mentions the type variable 'd' quantified in the user-written
  forall. Thus, when computing the set of unused type variables in
  the RHS of the data family instance, we would find that 'd' is used,
  and report a strange error message that would say that 'd' is not
  bound on the LHS.
  
  To fix this, we special-case the data-family instance case,
  manually extracting all the type variables that appear in the
  arguments of all the data constructores of the data family instance.
  
  Fixes #23778
  

• 28dd52ee
  by sheaf at 2023-09-19T19:09:03-04:00

  Unused tyvars in FamInst: only report user tyvars
  
  This commit changes how we perform some validity checking for
  coercion axioms to mirror how we handle default declarations for
  associated type families. This allows us to keep track of whether
  type variables in type and data family instances were user-written
  or not, in order to only report the user-written ones in
  "unused type variable" error messages.
  
  Consider for example:
  
    {-# LANGUAGE PolyKinds #-}
    type family F
    type instance forall a. F = ()
  
  In this case, we get two quantified type variables,
  (k :: Type) and (a :: k); the second being user-written, but the first
  is introduced by the typechecker. We should only report 'a' as being
  unused, as the user has no idea what 'k' is.
  
  Fixes #23734
  

• 1eed645c
  by sheaf at 2023-09-19T19:09:03-04:00

  Validity: refactor treatment of data families
  
  This commit refactors the reporting of unused type variables in type
  and data family instances to be more principled. This avoids ad-hoc
  logic in the treatment of data family instances.
  

• 35bc506b
  by John Ericson at 2023-09-19T19:09:40-04:00

  Remove `ghc-cabal`
  
  It is dead code since the Make build system was removed.
  
  I tried to go over every match of `git grep -i ghc-cabal` to find other
  stray bits. Some of those might be workarounds that can be further
  removed.
  

• 665ca116
  by John Paul Adrian Glaubitz at 2023-09-19T19:10:39-04:00

  Re-add unregisterised build support for sparc and sparc64
  
  Closes #23959
  

• 142f8740
  by Matthew Pickering at 2023-09-19T19:11:16-04:00

  Bump ci-images to use updated version of Alex
  
  Fixes #23977
  

• fa977034
  by John Ericson at 2023-09-21T12:55:25-04:00

  Use Cabal 3.10 for Hadrian
  
  We need the newer version for `CABAL_FLAG_*` env vars for #17191.
  

• a5d22cab
  by John Ericson at 2023-09-21T12:55:25-04:00

  hadrian: `need` any `configure` script we will call
  
  When the script is changed, we should reconfigure.
  

• db882b57
  by John Ericson at 2023-09-21T12:55:25-04:00

  hadrian: Make it easier to debug Cabal configure
  
  Right now, output is squashed. This make per-package configure scripts
  extremely hard to maintain, because we get vague "library is missing"
  errors when the actually probably is usually completely unrelated except
  for also involving the C/C++ toolchain.
  
  (I can always pass `-VVV` to Hadrian locally, but these errors are
  subtle and I often cannot reproduce them locally!)
  
  `--disable-option-checking` was added back in
  75c6e0684dda585c37b4ac254cd7a13537a59a91 but seems to be a bit overkill;
  if other flags are passed that are not recognized behind the two from
  Cabal mentioned in the former comment, we *do* want to know about it.
  

• 7ed65f5a
  by John Ericson at 2023-09-21T12:55:25-04:00

  hadrian: Increase verbosity of certain cabal commands
  
  This is a hack to get around the cabal function we're calling
  *decreasing* the verbosity it passes to another function, which is the
  stuff we often actually care about. Sigh.
  
  Keeping this a separate commit so if this makes things too verbose it is
  easy to revert.
  

• a4fde569
  by John Ericson at 2023-09-21T12:55:25-04:00

  rts: Move most external symbols logic to the configure script
  
  This is much more terse because we are programmatically handling the
  leading underscore.
  
  `findPtr` however is still handled in the Cabal file because we need a
  newer Cabal to pass flags to the configure script automatically.
  
  Co-Authored-By: Ben Gamari <ben@well-typed.com>
  

• 56cc85fb
  by Andrew Lelechenko at 2023-09-21T12:56:21-04:00

  Bump Cabal submodule to allow text-2.1 and bytestring-0.12
  

• 0cd6148c
  by Matthew Pickering at 2023-09-21T12:56:21-04:00

  hadrian: Generate Distribution/Fields/Lexer.x before creating a source-dist
  

• b10ba6a3
  by Andrew Lelechenko at 2023-09-21T12:56:21-04:00

  Bump hadrian's index-state to upgrade alex at least to 3.2.7.3
  

• 11ecc37b
  by Luite Stegeman at 2023-09-21T12:57:03-04:00

  JS: correct file size and times
  
  Programs produced by the JavaScript backend were returning
  incorrect file sizes and modification times, causing cabal
  related tests to fail.
  
  This fixes the problem and adds an additional test that verifies
  basic file information operations.
  
  fixes #23980
  

• b35fd2cd
  by Ben Gamari at 2023-09-21T12:57:39-04:00

  gitlab-ci: Drop libiserv from upload_ghc_libs
  
  libiserv has been merged into the ghci package.
  

• 37ad04e8
  by Ben Gamari at 2023-09-21T12:58:15-04:00

  testsuite: Fix Windows line endings
  

• 5795b365
  by Ben Gamari at 2023-09-21T12:58:15-04:00

  testsuite: Use makefile_test
  

• 15118740
  by Ben Gamari at 2023-09-21T12:58:55-04:00

  system-cxx-std-lib: Add license and description

• 0208f1d5
  by Ben Gamari at 2023-09-21T12:59:33-04:00

  gitlab/issue-templates: Rename bug.md -> default.md
  
  So that it is visible by default.
  

• 23cc3f21
  by Andrew Lelechenko at 2023-09-21T20:18:11+01:00

  Bump submodule text to 2.1
  

• b8e4fe23
  by Andrew Lelechenko at 2023-09-22T20:05:05-04:00

  Bump submodule unix to 2.8.2.1
  

• 54b2016e
  by John Ericson at 2023-09-23T11:40:41-04:00

  Move lib{numa,dw} defines to RTS configure
  
  Clean up the m4 to handle the auto case always and be more consistent.
  Also simplify the CPP --- we should always have both headers if we are
  using libnuma.
  
  "side effects" (AC_DEFINE, and AC_SUBST) are removed from the macros to
  better separate searching from actions taken based on search results.
  This might seem overkill now, but will make shuffling logic between
  configure scripts easier later.
  
  The macro comments are converted from `dnl` to `#` following the
  recomendation in
  https://www.gnu.org/software/autoconf/manual/autoconf-2.71/html_node/Macro-Definitions.html
  

• d51b601b
  by John Ericson at 2023-09-23T11:40:50-04:00

  Shuffle libzstd configuring between scripts
  
  Like the prior commit for libdw and libnuma, `AC_DEFINE` to RTS
  configure, `AC_SUBST` goes to the top-level configure script, and the
  documentation of the m4 macro is improved.
  

• d1425af0
  by John Ericson at 2023-09-23T11:41:03-04:00

  Move `FP_ARM_OUTLINE_ATOMICS` to RTS configure
  
  It is just `AC_DEFINE` it belongs there instead.
  

• 18de37e4
  by John Ericson at 2023-09-23T11:41:03-04:00

  Move mmap in the runtime linker check to the RTS configure
  
  `AC_DEFINE` should go there instead.
  

• 74132c2b
  by Andrew Lelechenko at 2023-09-25T21:56:54-04:00

  Elaborate comment on GHC_NO_UNICODE
  

• de142aa2
  by Ben Gamari at 2023-09-26T15:25:03-04:00

  gitlab-ci: Mark T22012 as broken on CentOS 7
  
  Due to #23979.
  

• 6a896ce8
  by Teo Camarasu at 2023-09-26T15:25:39-04:00

  hadrian: better error for failing to find file's dependencies
  
  Resolves #24004
  

• d697a6c2
  by Stefan Holdermans at 2023-09-26T20:58:37+00:00

  Refactor uses of `partitionEithers . map`
  
  This patch changes occurences of the idiom
  `partitionEithers (map f xs)` by the simpler form
  `partitionWith f xs` where `partitionWith` is the utility function
  defined in `GHC.Utils.Misc`.
  
  Resolves: #23953
  

• 8a2968b7
  by Stefan Holdermans at 2023-09-26T20:58:37+00:00

  Refactor uses of `partitionEithers <$> mapM f xs`
  
  This patch changes occurences of the idiom
  `partitionEithers <$> mapM f xs` by the simpler form
  `partitionWithM f xs` where `partitionWithM` is a utility function
  newly added to `GHC.Utils.Misc`.
  

• 6a27eb97
  by Stefan Holdermans at 2023-09-26T20:58:37+00:00

  Mark `GHC.Utils.Misc.partitionWithM` as inlineable
  
  This patch adds an `INLINEABLE` pragma for `partitionWithM` to ensure
  that the right-hand side of the definition of this function remains
  available for specialisation at call sites.
  

• f1e5245a
  by David Binder at 2023-09-27T01:19:00-04:00

  Add RTS option to supress tix file
  

• 1f43124f
  by David Binder at 2023-09-27T01:19:00-04:00

  Add expected output to testsuite in test interface-stability/base-exports
  

• b9d2c354
  by David Binder at 2023-09-27T01:19:00-04:00

  Expose HpcFlags and getHpcFlags from GHC.RTS.Flags
  

• 345675c6
  by David Binder at 2023-09-27T01:19:00-04:00

  Fix expected output of interface-stability test
  

• 146e1c39
  by David Binder at 2023-09-27T01:19:00-04:00

  Implement getHpcFlags
  

• 61ba8e20
  by David Binder at 2023-09-27T01:19:00-04:00

  Add section in user guide
  

• ea05f890
  by David Binder at 2023-09-27T01:19:01-04:00

  Rename --emit-tix-file to --write-tix-file
  

• cabce2ce
  by David Binder at 2023-09-27T01:19:01-04:00

  Update the golden files for interface stability
  

• 1dbdb9d0
  by Krzysztof Gogolewski at 2023-09-27T01:19:37-04:00

  Refactor: introduce stgArgRep
  
  The function 'stgArgType' returns the type in STG. But this violates
  the abstraction: in STG we're supposed to operate on PrimReps.
  
  This introduces
  stgArgRep ty = typePrimRep (stgArgType ty)
  stgArgRep1 ty = typePrimRep1 (stgArgType ty)
  stgArgRep_maybe ty = typePrimRep_maybe (stgArgType ty)
  
  stgArgType is still directly used for unboxed tuples (should be fixable), FFI
  and in ticky.
  

• b02f8042
  by Mario Blažević at 2023-09-27T17:33:28-04:00

  Fix TH pretty-printer's parenthesization
  
  This PR Fixes `Language.Haskell.TH.Ppr.pprint` so it correctly emits parentheses where needed.
  
  Fixes #23962, #23968, #23971, and #23986
  

• 79104334
  by Krzysztof Gogolewski at 2023-09-27T17:34:04-04:00

  Add a testcase for #17564
  
  The code in the ticket relied on the behaviour of Derived constraints.
  Derived constraints were removed in GHC 9.4 and now the code works
  as expected.
  

• d7a80143
  by sheaf at 2023-09-28T03:25:53-04:00

  lint-codes: add new modes of operation
  
  This commit adds two new modes of operation to the lint-codes
  utility:
  
    list - list all statically used diagnostic codes
    outdated - list all outdated diagnostic codes
  
  The previous behaviour is now:
  
    test - test consistency and coverage of diagnostic codes
  

• 477d223c
  by sheaf at 2023-09-28T03:25:53-04:00

  lint codes: avoid using git-grep
  
  We manually traverse through the filesystem to find the diagnostic codes
  embedded in .stdout and .stderr files, to avoid any issues with old
  versions of grep.
  
  Fixes #23843
  

• a38ae69a
  by sheaf at 2023-09-28T03:25:53-04:00

  lint-codes: add Hadrian targets
  
  This commit adds new Hadrian targets:
  
    codes, codes:used - list all used diagnostic codes
    codes:outdated - list outdated diagnostic codes
  
  This allows users to easily query GHC for used and outdated
  diagnostic codes, e.g.
  
    hadrian/build -j --flavour=<..> codes
  
  will list all used diagnostic codes in the command line by running
  the lint-codes utility in the "list codes" mode of operation.
  
  The diagnostic code consistency and coverage test is still run as usual,
  through the testsuite:
  
    hadrian/build test --only="codes"
  

• 9cdd629b
  by Ben Gamari at 2023-09-28T03:26:29-04:00

  hadrian: Install LICENSE files in bindists
  
  Fixes #23548.
  

• b8ebf876
  by Matthew Craven at 2023-09-28T03:27:05-04:00

  Fix visibility when eta-reducing a type lambda
  
  Fixes #24014.
  

• d3874407
  by Torsten Schmits at 2023-09-30T16:08:10-04:00

  Fix several mistakes around free variables in iface breakpoints
  
  Fixes #23612 , #23607, #23998 and #23666.
  
  MR: !11026
  
  The fingerprinting logic in `Iface.Recomp` failed lookups when processing decls containing breakpoints for two reasons:
  
  * IfaceBreakpoint created binders for free variables instead of expressions
  
  * When collecting free names for the dependency analysis for fingerprinting, breakpoint FVs were skipped
  

• ef5342cd
  by Simon Peyton Jones at 2023-09-30T16:08:48-04:00

  Refactor to combine HsLam and HsLamCase
  
  This MR is pure refactoring (#23916):
  * Combine `HsLam` and `HsLamCase`
  * Combine `HsCmdLam` and `HsCmdLamCase`
  
  This just arranges to treat uniformly
     \x -> e
     \case pi -> ei
     \cases pis -> ie
  
  In the exising code base the first is treated differently
  to the latter two.
  
  No change in behaviour.
  
  More specifics:
  
  * Combine `HsLam` and `HsLamCase` (constructors of `Language.Haskell.Syntax.Expr.HsExpr`) into one data construtor covering
    * Lambda
    * `\case`
    * `\cases`
  
  * The new `HsLam` has an argument of type `HsLamVariant` to distinguish the three cases.
  
  * Similarly, combine `HsCmdLam` and `HsCmdLamCase` (constructors of `Language.Haskell.Syntax.Expr.HsCmd` ) into one.
  
  * Similarly, combine `mkHsLamPV` and `mkHsLamCasePV` (methods of class `DisambECP`) into one. (Thank you Alan Zimmerman.)
  
  * Similarly, combine `LambdaExpr` and `LamCaseAlt` (constructors of `Language.Haskell.Syntax.Expr.HsMatchContext`) into one: `LamAlt` with a `HsLamVariant` argument.
  
  * Similarly, combine `KappaExpr` and `ArrowLamCaseAlt` (constructors of `Language.Haskell.Syntax.Expr.HsArrowMatchContext`) into one: `ArrowLamAlt` with a `HsLamVariant` argument.
  
  * Similarly, combine `PsErrLambdaInPat` and `PsErrLambdaCaseInPat` (constructors of `GHC.Parser.Errors.Ppr.PsError`) into one.
  
  * Similarly, combine `PsErrLambdaInPat` and `PsErrLambdaCaseInPat` (constructors of `GHC.Parser.Errors.Ppr.PsError`) into one.
  
  * In the same `PsError` data type, combine `PsErrLambdaCmdInFunAppCmd` and `PsErrLambdaCaseCmdInFunAppCmd` into one.
  
  * In the same `PsError` data tpye, combine `PsErrLambdaInFunAppExpr` and `PsErrLambdaCaseInFunAppExpr` into one.
  
  p* Smilarly combine `ExpectedFunTyLam` and `ExpectedFunTyLamCase` (constructors of `GHC.Tc.Types.Origin.ExpectedFunTyOrigin`) into one.
  
  Phew!
  

• b048bea0
  by Andreas Klebinger at 2023-09-30T16:09:24-04:00

  Arm: Make ppr methods easier to use by not requiring NCGConfig
  

• 2adc0508
  by Andreas Klebinger at 2023-09-30T16:09:24-04:00

  AArch64: Fix broken conditional jumps for offsets >= 1MB
  
  Rewrite conditional jump instructions with offsets >= 1MB to use unconditional jumps
  to avoid overflowing the immediate.
  
  Fixes #23746
  

• 1424f790
  by Alan Zimmerman at 2023-09-30T16:10:00-04:00

  EPA: Replace Monoid with NoAnn
  
  We currently use the Monoid class as a constraint on Exact Print
  Annotation functions, so we can use mempty. But this leads to
  requiring Semigroup instances too, which do not always make sense.
  
  Instead, introduce a class NoAnn, with a function noAnn analogous to
  mempty.
  
  Closes #20372
  
  Updates haddock submodule
  

• c1a3ecde
  by Ben Gamari at 2023-09-30T16:10:36-04:00

  users-guide: Refactor handling of :base-ref: et al.
  

• bc204783
  by Richard Eisenberg at 2023-10-02T14:50:52+02:00

  Simplify and correct nasty case in coercion opt
  
  This fixes #21062.
  
  No test case, because triggering this code seems challenging.
  

• 9c9ca67e
  by Andrew Lelechenko at 2023-10-04T05:42:28-04:00

  Bump bytestring submodule to 0.12.0.2
  

• 4e46dc2b
  by Andrew Lelechenko at 2023-10-04T05:42:28-04:00

  Inline bucket_match
  

• f6b2751f
  by Ben Gamari at 2023-10-04T05:43:05-04:00

  configure: Fix #21712 again
  
  This is a bit of a shot in the dark to fix #24033, which appears to be
  another instance of #21712. For some reason the ld-override logic
  *still* appears to be active on Darwin targets (or at least one).
  Consequently, on misconfigured systems we may choose a non-`ld64`
  linker.
  
  It's a bit unclear exactly what happened in #24033 but ultimately the
  check added for #21712 was not quite right, checking for the
  `ghc_host_os` (the value of which depends upon the bootstrap compiler)
  instead of the target platform. Fix this.
  
  Fixes #24033.
  

• 2f0a101d
  by Krzysztof Gogolewski at 2023-10-04T05:43:42-04:00

  Add a regression test for #24029
  

• 8cee3fd7
  by sheaf at 2023-10-04T05:44:22-04:00

  Fix non-symbolic children lookup of fixity decl
  
  The fix for #23664 did not correctly account for non-symbolic names
  when looking up children of a given parent. This one-line fix changes
  that.
  
  Fixes #24037
  

• a4785b33
  by Cheng Shao at 2023-10-04T05:44:59-04:00

  rts: fix incorrect ticket reference
  

• e037f459
  by Ben Gamari at 2023-10-04T05:45:35-04:00

  users-guide: Fix discussion of -Wpartial-fields
  
   * fix a few typos
   * add a new example showing when the warning fires
   * clarify the existing example
   * point out -Wincomplete-record-selects
  
  Fixes #24049.
  

• 8ff3134e
  by Matthew Pickering at 2023-10-05T05:34:58-04:00

  Revert "Pass preprocessor options to C compiler when building foreign C files (#16737)"
  
  This reverts commit 1c18d3b41f897f34a93669edaebe6069f319f9e2.
  
  `-optP` should pass options to the preprocessor, that might be a very
  different program to the C compiler, so passing the options to the C
  compiler is likely to result in `-optP` being useless.
  
  Fixes #17185 and #21291
  

• 8f6010b9
  by Ben Gamari at 2023-10-05T05:35:36-04:00

  rts/nonmoving: Fix on LLP64 platforms
  
  Previously `NONMOVING_SEGMENT_MASK` and friends were defined with the `UL`
  size suffix. However, this is wrong on LLP64 platforms like Windows,
  where `long` is 32-bits.
  
  Fixes #23003.
  Fixes #24042.
  

• f20d02f8
  by Andreas Klebinger at 2023-10-05T05:36:14-04:00

  Fix isAArch64Bitmask for 32bit immediates.
  
  Fixes #23802
  

• 63afb701
  by Bryan Richter at 2023-10-05T05:36:49-04:00

  Work around perf note fetch failure
  
  Addresses #24055.
  

• 242102f4
  by Krzysztof Gogolewski at 2023-10-05T05:37:26-04:00

  Add a test for #21348
  

• 7d390bce
  by Rewbert at 2023-10-05T05:38:08-04:00

  Fixes #24046
  

• 69abb171
  by Finley McIlwaine at 2023-10-06T14:06:28-07:00

  Ensure unconstrained instance dictionaries get IPE info
  
  In the `StgRhsCon` case of `GHC.Stg.Debug.collectStgRhs`, we were not coming up
  with an initial source span based on the span of the binder, which was causing
  instance dictionaries without dynamic superclass constraints to not have source
  locations in their IPE info. Now they do.
  
  Resolves #24005
  

• 390443b7
  by Andreas Klebinger at 2023-10-07T10:00:20-04:00

  rts: Split up rts/include/stg/MachRegs.h by arch
  

• 3685942f
  by Bryan Richter at 2023-10-07T10:00:56-04:00

  Actually set hackage index state
  
  Or at least, use a version of the cabal command that *claims* to set the
  index state.
  
  Time will tell.
  

• 46a0e5be
  by Bryan Richter at 2023-10-07T10:00:56-04:00

  Update hackage index state
  

• d4b037de
  by Bryan Richter at 2023-10-07T10:00:56-04:00

  Ensure hadrian uses CI's hackage index state
  

• e206be64
  by Andrew Lelechenko at 2023-10-08T15:06:14-04:00

  Do not use O_NONBLOCK on regular files or block devices
  
  CLC proposal https://github.com/haskell/core-libraries-committee/issues/166
  

• a06197c4
  by David Binder at 2023-10-08T15:06:55-04:00

  Update hpc-bin submodule to 0.69
  

• ed6785b6
  by David Binder at 2023-10-08T15:06:55-04:00

  Update Hadrian with correct path to happy file for hpc-bin
  

• 94066d58
  by Alan Zimmerman at 2023-10-09T21:35:53-04:00

  EPA: Introduce HasAnnotation class
  
  The class is defined as
  
      class HasAnnotation e where
        noAnnSrcSpan :: SrcSpan -> e
  
  This generalises noAnnSrcSpan, and allows
  
      noLocA :: (HasAnnotation e) => a -> GenLocated e a
      noLocA = L (noAnnSrcSpan noSrcSpan)
  

• 8792a1bc
  by Ben Gamari at 2023-10-09T21:36:29-04:00

  Bump unix submodule to v2.8.3.0
  

• e96c51cb
  by Andreas Klebinger at 2023-10-10T16:44:27+01:00

  Add a flag -fkeep-auto-rules to optionally keep auto-generated rules around.
  
  The motivation for the flag is given in #21917.
  

• 3ed58cef
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  hadrian: Add ghcToolchain to tool args list
  
  This allows you to load ghc-toolchain and ghc-toolchain-bin into HLS.
  

• 476c02d4
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  ghc-toolchain: Normalise triple via config.sub
  
  We were not normalising the target triple anymore like we did with the
  old make build system.
  
  Fixes #23856
  

• 303dd237
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  ghc-toolchain: Add missing vendor normalisation
  
  This is copied from m4/ghc_convert_vendor.m4
  
  Towards #23868
  

• 838026c9
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  ghc-toolchain: Add loongarch64 to parseArch
  
  Towards #23868
  

• 1a5bc0b5
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  Add same LD hack to ghc-toolchain
  
  In the ./configure script, if you pass the `LD` variable then this has
  the effect of stopping use searching for a linker and hence passing
  `-fuse-ld=...`.
  
  We want to emulate this logic in ghc-toolchain, if a use explicilty
  specifies `LD` variable then don't add `-fuse-ld=..` with the goal of
  making ./configure and ghc-toolchain agree on which flags to use when
  using the C compiler as a linker.
  
  This is quite unsavoury as we don't bake the choice of LD into the
  configuration anywhere but what's important for now is making
  ghc-toolchain and ./configure agree as much as possible.
  
  See #23857 for more discussion
  

• 42d50b5a
  by Ben Gamari at 2023-10-10T19:01:22-04:00

  ghc-toolchain: Check for C99 support with -std=c99
  
  Previously we failed to try enabling C99 support with `-std=c99`, as
  `autoconf` attempts. This broke on older compilers (e.g. CentOS 7) which
  don't enable C99 by default.
  
  Fixes #23879.
  

• da2961af
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  ghc-toolchain: Add endianess check using __BYTE_ORDER__ macro
  
  In very old toolchains the BYTE_ORDER macro is not set but thankfully
  the __BYTE_ORDER__ macro can be used instead.
  

• d8da73cd
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  configure: AC_PATH_TARGET_TOOL for LD
  
  We want to make sure that LD is set to an absolute path in order to be
  consistent with the `LD=$(command -v ld)` call. The AC_PATH_TARGET_TOOL
  macro uses the absolute path rather than AC_CHECK_TARGET_TOOL which
  might use a relative path.
  

• 171f93cc
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  ghc-toolchain: Check whether we need -std=gnu99 for CPP as well
  
  In ./configure the C99 flag is passed to the C compiler when used as a C
  preprocessor. So we also check the same thing in ghc-toolchain.
  

• 89a0918d
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  Check for --target linker flag separately to C compiler
  
  There are situations where the C compiler doesn't accept `--target` but
  when used as a linker it does (but doesn't do anything most likely)
  
  In particular with old gcc toolchains, the C compiler doesn't support
  --target but when used as a linker it does.
  

• 37218329
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  Use Cc to compile test file in nopie check
  
  We were attempting to use the C compiler, as a linker, to compile a file
  in the nopie check, but that won't work in general as the flags we pass
  to the linker might not be compatible with the ones we pass when using
  the C compiler.
  

• 9b2dfd21
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  configure: Error when ghc-toolchain fails to compile
  
  This is a small QOL change as if you are working on ghc-toolchain and it
  fails to compile then configure will continue and can give you outdated
  results.
  

• 1f0de49a
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  configure: Check whether -no-pie works when the C compiler is used as a linker
  
  `-no-pie` is a flag we pass when using the C compiler as a linker (see
  pieCCLDOpts in GHC.Driver.Session) so we should test whether the C
  compiler used as a linker supports the flag, rather than just the C
  compiler.
  

• 62cd2579
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  ghc-toolchain: Remove javascript special case for --target detection
  
  emcc when used as a linker seems to ignore the --target flag, and for
  consistency with configure which now tests for --target, we remove this
  special case.
  

• 0720fde7
  by Ben Gamari at 2023-10-10T19:01:22-04:00

  toolchain: Don't pass --target to emscripten toolchain
  
  As noted in `Note [Don't pass --target to emscripten toolchain]`,
  emscripten's `emcc` is rather inconsistent with respect to its treatment
  of the `--target` flag. Avoid this by special-casing this toolchain
  in the `configure` script and `ghc-toolchain`.
  
  Fixes on aspect of #23744.
  

• 6354e1da
  by Matthew Pickering at 2023-10-10T19:01:22-04:00

  hadrian: Don't pass `--gcc-options` as a --configure-arg to cabal configure
  
  Stop passing -gcc-options which mixed together linker flags and
  non-linker flags. There's no guarantee the C compiler will accept both
  of these in each mode.
  

• c00a4bd6
  by Ben Gamari at 2023-10-10T19:01:22-04:00

  configure: Probe stage0 link flags
  
  For consistency with later stages and CC.
  

• 1f11e7c4
  by Sebastian Graf at 2023-10-10T19:01:58-04:00

  Stricter Binary.get in GHC.Types.Unit (#23964)
  
  I noticed some thunking while looking at Core.
  This change has very modest, but throughout positive ghc/alloc effect:
  
  ```
   hard_hole_fits(normal) ghc/alloc    283,057,664    281,620,872  -0.5%
  
                geo. mean                                          -0.1%
                minimum                                            -0.5%
                maximum                                            +0.0%
  ```
  
  Fixes #23964.
  

• a4f1a181
  by Bryan Richter at 2023-10-10T19:02:37-04:00

  rel_eng/upload.sh cleanups
  

• 80705335
  by doyougnu at 2023-10-10T19:03:18-04:00

  ci: add javascript label rule
  
  This adds a rule which triggers the javascript job when the "javascript"
  label is assigned to an MR.
  

• a2c0fff6
  by Matthew Craven at 2023-10-10T19:03:54-04:00

  Make 'wWarningFlagsDeps' include every WarningFlag
  
  Fixes #24071.
  

• d055f099
  by Jan Hrček at 2023-10-10T19:04:33-04:00

  Fix pretty printing of overlap pragmas in TH splices (fixes #24074)
  

• 0746b868
  by Andreas Klebinger at 2023-10-10T19:05:09-04:00

  Aarch64 NCG: Use encoded immediates for literals.
  
  Try to generate
  
      instr x2, <imm>
  
  instead of
  
      mov x1, lit
      instr x2, x1
  
  When possible. This get's rid if quite a few redundant
  mov instructions.
  
  I believe this causes a metric decrease for LargeRecords as
  we reduce register pressure.
  
  -------------------------
  Metric Decrease:
      LargeRecord
  -------------------------
  

• 739f4e6f
  by Andreas Klebinger at 2023-10-10T19:05:09-04:00

  AArch NCG: Refactor getRegister'
  
  Remove some special cases which can be handled just as well by the
  generic case.
  
  This increases code re-use while also fixing #23749. Since some of the
  special case wasn't upholding Note [Signed arithmetic on AArch64].
  

• 1b213d33
  by Andreas Klebinger at 2023-10-10T19:05:09-04:00

  Aarch ncg: Optimize immediate use for address calculations
  
  When the offset doesn't fit into the immediate we now just reuse the
  general getRegister' code path which is well optimized to compute the
  offset into a register instead of a special case for CmmRegOff.
  
  This means we generate a lot less code under certain conditions which is
  why performance metrics for these improve.
  
  -------------------------
  Metric Decrease:
      T4801
      T5321FD
      T5321Fun
  -------------------------
  

• b7df0732
  by John Ericson at 2023-10-11T16:02:11-04:00

  RTS configure: Move over mem management checks
  
  These are for heap allocation, a strictly RTS concern.
  
  All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
  belongs in the RTS configure and should be safe to move without
  modification.
  
  The RTS configure one has a new
  ```
  AC_CHECK_SIZEOF([void *])
  ```
  that the top-level configure version didn't have, so that
  `ac_cv_sizeof_void_p` is defined. Once more code is moved over in latter
  commits, that can go away.
  
  Progress towards #17191
  

• 41130a65
  by John Ericson at 2023-10-11T16:02:11-04:00

  RTS configure: Move over `__thread` check
  
  This used by (@bgamari thinks) the `GCThread` abstraction in the RTS.
  
  All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
  belongs in the RTS configure and should be safe to move without
  modification.
  
  Progress towards #17191
  

• cc5ec2bd
  by John Ericson at 2023-10-11T16:02:11-04:00

  RTS configure: Move over misc function checks
  
  These are for general use in the RTS.
  
  All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
  belongs in the RTS configure and should be safe to move without
  modification.
  
  Progress towards #17191
  

• 809e7c2d
  by John Ericson at 2023-10-11T16:02:11-04:00

  RTS configure: Move over `eventfd` check
  
  This check is for the RTS part of the event manager and has a
  corresponding part in `base`.
  
  All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
  belongs in the RTS configure and should be safe to move without
  modification.
  
  Progress towards #17191
  

• 58f3babf
  by John Ericson at 2023-10-11T16:02:48-04:00

  Split `FP_CHECK_PTHREADS` and move part to RTS configure
  
  `NEED_PTHREAD_LIB` is unused since
  3609340743c1b25fdfd0e18b1670dac54c8d8623 (part of the make build
  system), and so is no longer defined.
  
  Progress towards #17191
  

• e99cf237
  by Moritz Angermann at 2023-10-11T16:03:24-04:00

  nativeGen: section flags for .text$foo only
  
  Commit 3ece9856d157c85511d59f9f862ab351bbd9b38b, was supposed to fix
  #22834 in !9810.
  
  It does however add "xr" indiscriminatly to .text sections
  even if splitSections is disabled. This leads to the assembler saying:
  
  ghc_1.s:7849:0: error:
       Warning: Ignoring changed section attributes for .text
       |
  7849 | .section .text,"xr"
       | ^
  

• f383a242
  by Sylvain Henry at 2023-10-11T16:04:04-04:00

  Modularity: pass TempDir instead of DynFlags (#17957)
  

• 34fc28b0
  by John Ericson at 2023-10-12T06:48:28-04:00

  Test that functions from `mingwex` are available
  
  Ryan wrote these two minimizations, but they never got added to the test
  suite.
  
  See #23309, #23378
  
  Co-Authored-By: Ben Gamari <bgamari.foss@gmail.com>
  Co-Authored-By: Ryan Scott <ryan.gl.scott@gmail.com>
  

• bdb54a0e
  by John Ericson at 2023-10-12T06:48:28-04:00

  Do not check for the `mingwex` library in `/configure`
  
  See the recent discussion in !10360 --- Cabal will itself check for the
  library for the packages that need it, and while the autoconf check
  additionally does some other things like define a `HAS_LIBMINGWEX` C
  Preprocessor macro, those other things are also unused and unneeded.
  
  Progress towards #17191, which aims to get rid of `/configure` entirely.
  

• 43e814e1
  by Ben Gamari at 2023-10-12T06:49:40-04:00

  base: Introduce move modules into src
  
  The only non-move changes here are whitespace changes to pass the
  `whitespace` test and a few testsuite adaptations.
  

• df81536f
  by Moritz Angermann at 2023-10-12T06:50:16-04:00

  [PEi386 linker] Bounds check and null-deref guard
  
  We should resonably be able to expect that we won't exceed the number of
  sections if we assume to be dealing with legal object files. We can however
  not guarantee that we get some negative values, and while we try to
  special case most, we should exclude negative indexing into the sections
  array.
  
  We also need to ensure that we do not try to derefences targetSection,
  if it is NULL, due to the switch statement.
  

• c74c4f00
  by John Ericson at 2023-10-12T10:31:13-04:00

  Move apple compat check to RTS configure
  

• c80778ea
  by John Ericson at 2023-10-12T10:31:13-04:00

  Move clock/timer fun checks to RTS configure
  
  Actual library check (which will set the Cabal flag) is left in the
  top-level configure for now.
  
  Progress towards #17191
  

• 7f9f2686
  by John Ericson at 2023-10-12T10:31:13-04:00

  Move visibility and "musttail" annotation checks to the RTS configure
  
  All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
  belongs in the RTS configure and should be safe to move without
  modification.
  
  Progress towards #17191
  

• ffb3efe6
  by John Ericson at 2023-10-12T10:31:13-04:00

  Move leading underscore checks to RTS configure
  
  `CabalLeadingUnderscore` is done via Hadrian already, so we can stop
  `AC_SUBST`ing it completely.
  

• 25fa4b02
  by John Ericson at 2023-10-12T10:31:13-04:00

  Move alloca, fork, const, and big endian checks to RTS configure
  
  All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
  belongs in the RTS configure and should be safe to move without
  modification.
  

• 5170f42a
  by John Ericson at 2023-10-12T10:31:13-04:00

  Move libdl check to RTS configure
  

• ea7a1447
  by John Ericson at 2023-10-12T10:31:13-04:00

  Adjust `FP_FIND_LIBFFI`
  
  Just set vars, and `AC_SUBST` in top-level configure.
  
  Don't define `HAVE_SYSTEM_LIBFFI` because nothing is using it. It hasn't
  be in used since 3609340743c1b25fdfd0e18b1670dac54c8d8623 (part of the
  make build system).
  

• f399812c
  by John Ericson at 2023-10-12T10:31:13-04:00

  Split BFD support to RTS configure
  
  The flag is still in the top-level configure, but the other checks
  (which define various macros --- important) are in the RTS configure.
  

• f64f44e9
  by John Ericson at 2023-10-12T10:31:13-04:00

  Split libm check between top level and RTS
  

• dafc4709
  by Moritz Angermann at 2023-10-12T10:31:49-04:00

  CgUtils.fixStgRegStmt respect register width
  
  This change ensure that the reg + offset computation is always of the
  same size.  Before this we could end up with a 64bit register, and then
  add a 32bit offset (on 32bit platforms).  This not only would fail type
  sanity checking, but also incorrectly truncate 64bit values into 32bit
  values silently on 32bit architectures.
  

• 9e6ef7ba
  by Matthew Pickering at 2023-10-12T20:35:00-04:00

  hadrian: Decrease verbosity of cabal commands
  
  In Normal, most tools do not produce output to stdout unless there are
  error conditions.
  
  Reverts 7ed65f5a1bc8e040e318ccff395f53a9bbfd8217
  

• 08fc27af
  by John Ericson at 2023-10-12T20:35:36-04:00

  Do not substitute `@...@` for stage-specific values in cabal files
  
  `rts` and `ghc-prim` now no longer have a `*.cabal.in` to set Cabal flag
  defaults; instead manual choices are passed to configure in the usual
  way.
  
  The old way was fundamentally broken, because it meant we were baking
  these Cabal files for a specific stage. Now we only do stage-agnostic
  @...@ substitution in cabal files (the GHC version), and so all
  stage-specific configuration is properly confined to `_build` and the
  right stage dir.
  
  Also `include-ghc-prim` is a flag that no longer exists for `ghc-prim`
  (it was removed in 835d8ddbbfb11796ea8a03d1806b7cee38ba17a6) so I got
  rid of it.
  
  Co-Authored-By: Matthew Pickering <matthewtpickering@gmail.com>
  

• a0ac8785
  by Sebastian Graf at 2023-10-14T19:17:12-04:00

  Fix restarts in .ghcid
  
  Using the whole of `hadrian/` restarted in a loop for me.
  

• fea9ecdb
  by Sebastian Graf at 2023-10-14T19:17:12-04:00

  CorePrep: Refactor FloatingBind (#23442)
  
  A drastically improved architecture for local floating in CorePrep
  that decouples the decision of whether a float is going to be let- or case-bound
  from how far it can float (out of strict contexts, out of lazy contexts, to
  top-level).
  
  There are a couple of new Notes describing the effort:
  
    * `Note [Floating in CorePrep]` for the overview
    * `Note [BindInfo and FloatInfo]` for the new classification of floats
    * `Note [Floats and FloatDecision]` for how FloatInfo is used to inform
      floating decisions
  
  This is necessary ground work for proper treatment of Strict fields and
  unlifted values at top-level.
  
  Fixes #23442.
  
  NoFib results (omitted = 0.0%):
  ```
  --------------------------------------------------------------------------------
          Program         Allocs    Instrs
  --------------------------------------------------------------------------------
           pretty           0.0%     -1.6%
              scc           0.0%     -1.7%
  --------------------------------------------------------------------------------
              Min           0.0%     -1.7%
              Max           0.0%     -0.0%
   Geometric Mean          -0.0%     -0.0%
  ```
  

• 32523713
  by Matthew Pickering at 2023-10-14T19:17:49-04:00

  hadrian: Move ghcBinDeps into ghcLibDeps
  
  This completes a5227080b57cb51ac34d4c9de1accdf6360b818b, the
  `ghc-usage.txt` and `ghci-usage.txt` file are also used by the `ghc`
  library so need to make sure they are present in the libdir even if we
  are not going to build `ghc-bin`.
  
  This also fixes things for cross compilers because the stage2
  cross-compiler requires the ghc-usage.txt file, but we are using
  the stage2 lib folder but not building stage3:exe:ghc-bin so
  ghc-usage.txt was not being generated.
  

• ec3c4488
  by sheaf at 2023-10-14T19:18:29-04:00

  Combine GREs when combining in mkImportOccEnv
  
  In `GHC.Rename.Names.mkImportOccEnv`, we sometimes discard one import
  item in favour of another, as explained in Note [Dealing with imports]
  in `GHC.Rename.Names`. However, this can cause us to lose track of
  important parent information.
  
  Consider for example #24084:
  
    module M1 where { class C a where { type T a } }
    module M2 ( module M1 ) where { import M1 }
    module M3 where { import M2 ( C, T ); instance C () where T () = () }
  
  When processing the import list of `M3`, we start off (for reasons that
  are not relevant right now) with two `Avail`s attached to `T`, namely
  `C(C, T)` and `T(T)`. We combine them in the `combine` function of
  `mkImportOccEnv`; as described in Note [Dealing with imports] we discard
  `C(C, T)` in favour of `T(T)`. However, in doing so, we **must not**
  discard the information want that `C` is the parent of `T`. Indeed,
  losing track of this information can cause errors when importing,
  as we could get an error of the form
  
    ‘T’ is not a (visible) associated type of class ‘C’
  
  We fix this by combining the two GREs for `T` using `plusGRE`.
  
  Fixes #24084
  

• 257c2807
  by Ilias Tsitsimpis at 2023-10-14T19:19:07-04:00

  hadrian: Pass -DNOSMP to C compiler when needed
  
  Hadrian passes the -DNOSMP flag to GHC when the target doesn't support
  SMP, but doesn't pass it to CC as well, leading to the following
  compilation error on mips64el:
  
  | Run Cc (FindCDependencies CDep) Stage1: rts/sm/NonMovingScav.c => _build/stage1/rts/build/c/sm/NonMovingScav.o.d
  Command line: /usr/bin/mips64el-linux-gnuabi64-gcc -E -MM -MG -MF _build/stage1/rts/build/c/hooks/FlagDefaults.thr_debug_p_o.d -MT _build/stage1/rts/build/c/hooks/FlagDefaults.o -Irts/include -I_build/stage1/rts/build -I_build/stage1/rts/build/include -Irts/include -x c rts/hooks/FlagDefaults.c -Wall -Wextra -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Winline -Wpointer-arith -Wmissing-noreturn -Wnested-externs -Wredundant-decls -Wundef -fno-strict-aliasing -DTHREADED_RTS -DDEBUG -fomit-frame-pointer -O2 -g -Irts -I_build/stage1/rts/build -DDEBUG -fno-omit-frame-pointer -g3 -O0
  ===> Command failed with error code: 1
  In file included from rts/include/Stg.h:348,
                   from rts/include/Rts.h:38,
                   from rts/hooks/FlagDefaults.c:8:
  rts/include/stg/SMP.h:416:2: error: #error memory barriers unimplemented on this architecture
    416 | #error memory barriers unimplemented on this architecture
        |  ^~~~~
  rts/include/stg/SMP.h:440:2: error: #error memory barriers unimplemented on this architecture
    440 | #error memory barriers unimplemented on this architecture
        |  ^~~~~
  rts/include/stg/SMP.h:464:2: error: #error memory barriers unimplemented on this architecture
    464 | #error memory barriers unimplemented on this architecture
        |  ^~~~~
  
  The old make system correctly passed this flag to both GHC and CC [1].
  
  Fix this error by passing -DNOSMP to CC as well.
  
  [1] https://gitlab.haskell.org/ghc/ghc/-/blob/00920f176b0235d5bb52a8e054d89a664f8938fe/rts/ghc.mk#L407
  
  Closes #24082
  

• 13d3c613
  by John Ericson at 2023-10-14T19:19:42-04:00

  Users Guide: Drop dead code for Haddock refs to `parallel`
  
  I noticed while working on !11451 that `@LIBRARY_parallel_UNIT_ID@` was
  not substituted. It is dead code -- there is no `parallel-ref` usages
  and it doesn't look like there ever was (going back to
  3e5d0f188d6c8633e55e9ba6c8941c07e459fa4b), so let's delete it.
  

• fe067577
  by Sylvain Henry at 2023-10-18T19:40:25-04:00

  Avoid out-of-bound array access in bigNatIsPowerOf2 (fix #24066)
  
  bigNatIndex# in the `where` clause wasn't guarded by "bigNatIsZero a".
  

• cc1625b1
  by Sylvain Henry at 2023-10-18T19:40:25-04:00

  Bignum: fix right shift of negative BigNat with native backend
  

• cbe4400d
  by Sylvain Henry at 2023-10-18T19:40:25-04:00

  Rts: expose rtsOutOfBoundsAccess symbol
  

• 72c7380c
  by Sylvain Henry at 2023-10-18T19:40:25-04:00

  Hadrian: enable `-fcheck-prim-bounds` in validate flavour
  
  This allows T24066 to fail when the bug is present.
  
  Otherwise the out-of-bound access isn't detected as it happens in
  ghc-bignum which wasn't compiled with the bounds check.
  

• f9436990
  by John Ericson at 2023-10-18T19:41:01-04:00

  Make Hadrian solely responsible for substituting `docs/users_guide/ghc_config.py.in`
  
  Fixes #24091
  Progress on #23966
  
  Issue #24091 reports that `@ProjectVersion@` is no longer being
  substituted in the GHC user's guide. I assume this is a recent issue,
  but I am not sure how it's worked since
  c1a3ecde720b3bddc2c8616daaa06ee324e602ab; it looks like both Hadrian and
  configure are trying to substitute the same `.in` file!
  
  Now only Hadrian does. That is better anyways; already something that
  issue #23966 requested.
  
  It seems like we were missing some dependencies in Hadrian. (I really,
  really hate that this is possible!) Hopefully it is fixed now.
  

• b12df0bb
  by John Ericson at 2023-10-18T19:41:37-04:00

  `ghcversion.h`: No need to cope with undefined `ProjectPatchLevel*`
  
  Since 4e6c80197f1cc46dfdef0300de46847c7cfbdcb0, these are guaranteed to
  be defined. (Guaranteed including a test in the testsuite.)
  

• 0295375a
  by John Ericson at 2023-10-18T19:41:37-04:00

  Generate `ghcversion.h` from a `.in` file
  
  Now that there are no conditional sections (see the previous commit), we
  can just a do simple substitution rather than pasting it together line
  by line.
  
  Progress on #23966
  

• 740a1b85
  by Krzysztof Gogolewski at 2023-10-19T11:37:20-04:00

  Add a regression test for #24064
  

• 921fbf2f
  by Hécate Moonlight at 2023-10-19T11:37:59-04:00

  CLC Proposal #182: Export List from Data.List
  
  Proposal link: https://github.com/haskell/core-libraries-committee/issues/182
  

• 4f02d3c1
  by Sylvain Henry at 2023-10-20T04:01:32-04:00

  rts: fix small argument passing on big-endian arch (fix #23387)
  

• b86243b4
  by Sylvain Henry at 2023-10-20T04:02:13-04:00

  Interpreter: fix literal alignment on big-endian architectures (fix #19261)
  
  Literals weren't correctly aligned on big-endian, despite what the
  comment said.
  

• a4b2ec47
  by Sylvain Henry at 2023-10-20T04:02:54-04:00

  Testsuite: recomp011 and recomp015 are fixed on powerpc
  
  These tests have been fixed but not tested and re-enabled on big-endian
  powerpc (see comments in #11260 and #11323)
  

• fded7dd4
  by Sebastian Graf at 2023-10-20T04:03:30-04:00

  CorePrep: Allow floating dictionary applications in -O0 into a Rec (#24102)

• 02efc181
  by John Ericson at 2023-10-22T02:48:55-04:00

  Move function checks to RTS configure
  
  Some of these functions are used in `base` too, but we can copy the
  checks over to its configure if that's an issue.
  

• 5f4bccab
  by John Ericson at 2023-10-22T02:48:55-04:00

  Move over a number of C-style checks to RTS configure
  

• 5cf04f58
  by John Ericson at 2023-10-22T02:48:55-04:00

  Move/Copy more `AC_DEFINE` to RTS config
  
  Only exception is the LLVM version macros, which are used for GHC
  itself.
  

• b8ce5dfe
  by John Ericson at 2023-10-22T02:48:55-04:00

  Define `TABLES_NEXT_TO_CODE` in the RTS configure
  
  We create a new cabal flag to facilitate this.
  

• 4a40271e
  by John Ericson at 2023-10-22T02:48:55-04:00

  Configure scripts: `checkOS`: Make a bit more robust
  
  `mingw64` and `mingw32` are now both accepted for `OSMinGW32`. This
  allows us to cope with configs/triples that we haven't normalized extra
  being what GNU `config.sub` does.
  

• 16bec0a0
  by John Ericson at 2023-10-22T02:48:55-04:00

  Generate `ghcplatform.h` from RTS configure
  
  We create a new cabal flag to facilitate this.
  

• 7dfcab2f
  by John Ericson at 2023-10-22T02:48:55-04:00

  Get rid of all mention of `mk/config.h`
  
  The RTS configure script is now solely responsible for managing its
  headers; the top level configure script does not help.
  

• c1e3719c
  by Cheng Shao at 2023-10-22T02:49:33-04:00

  rts: drop stale mentions of MIN_UPD_SIZE
  
  We used to have MIN_UPD_SIZE macro that describes the minimum reserved
  size for thunks, so that the thunk can be overwritten in place as
  indirections or blackholes. However, this macro has not been actually
  defined or used anywhere since a long time ago; StgThunkHeader already
  reserves a padding word for this purpose. Hence this patch which drops
  stale mentions of MIN_UPD_SIZE.
  

• d24b0d85
  by Andrew Lelechenko at 2023-10-22T02:50:11-04:00

  base changelog: move non-backported entries from 4.19 section to 4.20
  
  Neither !10933 (check https://hackage.haskell.org/package/base-4.19.0.0/docs/src/Text.Read.Lex.html#numberToRangedRational)
  nor !10189 (check https://hackage.haskell.org/package/base-4.19.0.0/docs/src/Data.List.NonEmpty.html#unzip)
  were backported to `base-4.19.0.0`. Moving them to `base-4.20.0.0` section.
  
  Also minor stylistic changes to other entries, bringing them to a uniform form.
  

• de78b32a
  by Alan Zimmerman at 2023-10-23T09:09:41-04:00

  EPA Some tweaks to annotations
  
  - Fix span for GRHS
  - Move TrailingAnns from last match to FunBind
  - Fix GADT 'where' clause span
  - Capture full range for a CaseAlt Match
  

• d5a8780d
  by Simon Hengel at 2023-10-23T09:10:23-04:00

  Update primitives.rst

• 4d075924
  by Josh Meredith at 2023-10-24T23:04:12+11:00

  JS/userguide: add explanation of writing jsbits
  

• 07ab5cc1
  by Cheng Shao at 2023-10-24T15:40:32-04:00

  testsuite: increase timeout of ghc-api tests for wasm32
  
  ghc-api tests for wasm32 are more likely to timeout due to the large
  wasm module sizes, especially when testing with wasm native tail
  calls, given wasmtime's handling of tail call opcodes are suboptimal
  at the moment. It makes sense to increase timeout specifically for
  these tests on wasm32. This doesn't affect other targets, and for
  wasm32 we don't increase timeout for all tests, so not to risk letting
  major performance regressions slip through the testsuite.
  

• 0d6acca5
  by Greg Steuck at 2023-10-26T08:44:23-04:00

  Explicitly require RLIMIT_AS before use in OSMem.c
  
  This is done elsewhere in the source tree. It also suddenly is
  required on OpenBSD.
  

• 9408b086
  by Sylvain Henry at 2023-10-26T08:45:03-04:00

  Modularity: modularize external linker
  
  Decouple runLink from DynFlags to allow calling runLink more easily.
  This is preliminary work for calling Emscripten's linker (emcc) from
  our JavaScript linker.
  

• e0f35030
  by doyougnu at 2023-10-27T08:41:12-04:00

  js: add JStg IR, remove unsaturated constructor
  
  - Major step towards #22736 and adding the optimizer in #22261
  

• 35587eba
  by Simon Peyton Jones at 2023-10-27T08:41:48-04:00

  Fix a bug in tail calls with ticks
  
  See #24078 for the diagnosis.  The change affects only
  the Tick case of occurrence analysis.
  
  It's a bit hard to test, so no regression test (yet anyway).
  

• 9bc5cb92
  by Matthew Craven at 2023-10-28T07:06:17-04:00

  Teach tag-inference about SeqOp/seq#
  
  Fixes the STG/tag-inference analogue of #15226.
  
  Co-Authored-By: Simon Peyton Jones <simon.peytonjones@gmail.com>
  

• 34f06334
  by Moritz Angermann at 2023-10-28T07:06:53-04:00

  [PEi386] Mask SYM_TYPE_DUP_DISCARD in makeSymbolExtra
  
  48e391952c17ff7eab10b0b1456e3f2a2af28a9b
  introduced `SYM_TYPE_DUP_DISCARD` to the bitfield.
  
  The linker however, failed to mask the `SYM_TYPE_DUP_DISCARD` value.
  Thus `== SYM_TYPE_CODE` comparisons easily failed. This lead to us
  relocating DATA lookups (GOT) into E8 (call) and E9 (jump) instructions.
  

• 5b51b2a2
  by Mario Blažević at 2023-10-28T07:07:33-04:00

  Fix and test for issue #24111, TH.Ppr output of pattern synonyms
  

• 723bc352
  by Alan Zimmerman at 2023-10-30T20:36:41-04:00

  EPA: print doc comments as normal comments
  
  And ignore the ones allocated in haddock processing.
  
  It does not guarantee that every original haddock-like comment appears
  in the output, as it discards ones that have no legal attachment point.
  
  closes #23459
  

• 21b76843
  by Simon Peyton Jones at 2023-10-30T20:37:17-04:00

  Fix non-termination bug in equality solver
  
  constraint left-to-right then right to left, forever.
  
  Easily fixed.
  

• 270867ac
  by Sebastian Graf at 2023-10-30T20:37:52-04:00

  ghc-toolchain: build with `-package-env=-` (#24131)
  
  Otherwise globally installed libraries (via `cabal install --lib`)
  break the build.
  
  Fixes #24131.
  

• 4d08364e
  by Alan Zimmerman at 2023-10-31T19:46:45+00:00

  EPA: match changes in GHC
  
  - EPA: Comments in AnchorOperation
  - EPA: Remove EpaEofComment
  

• 7a90020f
  by Krzysztof Gogolewski at 2023-10-31T20:03:37-04:00

  docs: fix ScopedTypeVariables example (#24101)
  
  The previous example didn't compile.
  
  Furthermore, it wasn't demonstrating the point properly.
  I have changed it to an example which shows that 'a' in the signature
  must be the same 'a' as in the instance head.
  

• 49f69f50
  by Krzysztof Gogolewski at 2023-10-31T20:04:13-04:00

  Fix pretty-printing of type family dependencies
  
  "where" should be after the injectivity annotation.
  

• 73c191c0
  by Ben Gamari at 2023-10-31T20:04:49-04:00

  gitlab-ci: Bump LLVM bootstrap jobs to Debian 12
  
  As the Debian 10 images have too old an LLVM.
  
  Addresses #24056.
  

• 5b0392e0
  by Matthew Pickering at 2023-10-31T20:04:49-04:00

  ci: Run aarch64 llvm backend job with "LLVM backend" label
  
  This brings it into line with the x86 LLVM backend job.
  

• 9f9c9227
  by Ryan Scott at 2023-11-01T09:19:12-04:00

  More robust checking for DataKinds
  
  As observed in #22141, GHC was not doing its due diligence in catching code
  that should require `DataKinds` in order to use. Most notably, it was allowing
  the use of arbitrary data types in kind contexts without `DataKinds`, e.g.,
  
  ```hs
  data Vector :: Nat -> Type -> Type where
  ```
  
  This patch revamps how GHC tracks `DataKinds`. The full specification is
  written out in the `DataKinds` section of the GHC User's Guide, and the
  implementation thereof is described in `Note [Checking for DataKinds]` in
  `GHC.Tc.Validity`. In brief:
  
  * We catch _type_-level `DataKinds` violations in the renamer. See
    `checkDataKinds` in `GHC.Rename.HsType` and `check_data_kinds` in
    `GHC.Rename.Pat`.
  
  * We catch _kind_-level `DataKinds` violations in the typechecker, as this
    allows us to catch things that appear beneath type synonyms. (We do *not*
    want to do this in type-level contexts, as it is perfectly fine for a type
    synonym to mention something that requires DataKinds while still using the
    type synonym in a module that doesn't enable DataKinds.) See `checkValidType`
    in `GHC.Tc.Validity`.
  
  * There is now a single `TcRnDataKindsError` that classifies all manner of
    `DataKinds` violations, both in the renamer and the typechecker. The
    `NoDataKindsDC` error has been removed, as it has been subsumed by
    `TcRnDataKindsError`.
  
  * I have added `CONSTRAINT` is `isKindTyCon`, which is what checks for illicit
    uses of data types at the kind level without `DataKinds`. Previously,
    `isKindTyCon` checked for `Constraint` but not `CONSTRAINT`. This is
    inconsistent, given that both `Type` and `TYPE` were checked by `isKindTyCon`.
    Moreover, it thwarted the implementation of the `DataKinds` check in
    `checkValidType`, since we would expand `Constraint` (which was OK without
    `DataKinds`) to `CONSTRAINT` (which was _not_ OK without `DataKinds`) and
    reject it. Now both are allowed.
  
  * I have added a flurry of additional test cases that test various corners of
    `DataKinds` checking.
  
  Fixes #22141.
  

• 575d7690
  by Sylvain Henry at 2023-11-01T09:19:53-04:00

  JS: fix FFI "wrapper" and "dynamic"
  
  Fix codegen and helper functions for "wrapper" and "dynamic" foreign
  imports.
  
  Fix tests:
  - ffi006
  - ffi011
  - T2469
  - T4038
  
  Related to #22363
  

• 81fb8885
  by Alan Zimmerman at 2023-11-01T22:23:56-04:00

  EPA: Use full range for Anchor
  
  This change requires a series of related changes, which must all land
  at the same time, otherwise all the EPA tests break.
  
  * Use the current Anchor end as prior end
  
    Use the original anchor location end as the source of truth for
    calculating print deltas.
  
    This allows original spacing to apply in most cases, only changed
    AST items need initial delta positions.
  
  * Add DArrow to TrailingAnn
  
  * EPA Introduce HasTrailing in ExactPrint
  
     Use [TrailingAnn] in enterAnn and remove it from
     ExactPrint (LocatedN RdrName)
  
  * In HsDo, put TrailingAnns at top of LastStmt
  
  * EPA: do not convert comments to deltas when balancing.
  
  * EPA: deal with fallout from getMonoBind
  
  * EPA fix captureLineSpacing
  
  * EPA print any comments in the span before exiting it
  
  * EPA: Add comments to AnchorOperation
  
  * EPA: remove AnnEofComment, it is no longer used
  
  Updates Haddock submodule
  

• 03e82511
  by Rodrigo Mesquita at 2023-11-01T22:24:32-04:00

  Fix in docs regarding SSymbol, SNat, SChar (#24119)
  

• 362cc693
  by Matthew Pickering at 2023-11-01T22:25:08-04:00

  hadrian: Update bootstrap plans (9.4.6, 9.4.7, 9.6.2, 9.6.3, 9.8.1)
  
  Updating the bootstrap plans with more recent GHC versions.
  

• 00b9b8d3
  by Matthew Pickering at 2023-11-01T22:25:08-04:00

  ci: Add 9.8.1 bootstrap testing job
  

• ef3d20f8
  by Matthew Pickering at 2023-11-01T22:25:08-04:00

  Compatibility with 9.8.1 as boot compiler
  
  This fixes several compatability issues when using 9.8.1 as the boot
  compiler.
  
  * An incorrect version guard on the stack decoding logic in ghc-heap
  * Some ghc-prim bounds need relaxing
  * ghc is no longer wired in, so we have to remove the -this-unit-id ghc
    call.
  
  Fixes #24077
  

• 6755d833
  by Jaro Reinders at 2023-11-03T10:54:42+01:00

  Add NCG support for common 64bit operations to the x86 backend.
  
  These used to be implemented via C calls which was obviously quite bad
  for performance for operations like simple addition.
  
  Co-authored-by: Andreas Klebinger
  

• 0dfb1fa7
  by Vladislav Zavialov at 2023-11-03T14:08:41-04:00

  T2T in Expressions (#23738)
  
  This patch implements the T2T (term-to-type) transformation in
  expressions. Given a function with a required type argument
  	vfun :: forall a -> ...
  
  the user can now call it as
  	vfun (Maybe Int)
  
  instead of
  	vfun (type (Maybe Int))
  
  The Maybe Int argument is parsed and renamed as a term (HsExpr), but then
  undergoes a conversion to a type (HsType).
  See the new function expr_to_type in compiler/GHC/Tc/Gen/App.hs
  and Note [RequiredTypeArguments and the T2T mapping]
  
  Left as future work: checking for puns.
  

• cc1c7c54
  by Duncan Coutts at 2023-11-05T00:23:44-04:00

  Add a test for I/O managers
  
  It tries to cover the cases of multiple threads waiting on the same
  fd for reading and multiple threads waiting for writing, including
  wait cancellation by async exceptions.
  
  It should work for any I/O manager, in-RTS or in-Haskell.
  Unfortunately it will not currently work for Windows because it relies
  on anonymous unix sockets. It could in principle be ported to use
  Windows named pipes.
  

• 2e448f98
  by Cheng Shao at 2023-11-05T00:23:44-04:00

  Skip the IOManager test on wasm32 arch.
  
  The test relies on the sockets API which are not (yet) available.

• fe50eb35
  by Cheng Shao at 2023-11-05T00:24:20-04:00

  compiler: fix eager blackhole symbol in wasm32 NCG
  

• af771148
  by Cheng Shao at 2023-11-05T00:24:20-04:00

  testsuite: fix optasm tests for wasm32
  

• 1b90735c
  by Matthew Pickering at 2023-11-05T00:24:20-04:00

  testsuite: Add wasm32 to testsuite arches with NCG
  
  The compiler --info reports that wasm32 compilers have a NCG, so we
  should agree with that here.
  

• db9a6496
  by Alan Zimmerman at 2023-11-05T00:24:55-04:00

  EPA: make locA a function, not a field name
  
  And use it to generalise reLoc
  
  The following for the windows pipeline one. 5.5%
  
  Metric Increase:
      T5205
  

• 833e250c
  by Simon Peyton Jones at 2023-11-05T00:25:31-04:00

  Update the unification count in wrapUnifierX
  
  Omitting this caused type inference to fail in #24146.
  This was an accidental omision in my refactoring of the
  equality solver.
  

• e451139f
  by Andreas Klebinger at 2023-11-05T00:26:07-04:00

  Remove an accidental git conflict marker from a comment.
  

• e7da0d25
  by Alan Zimmerman at 2023-11-05T11:20:31+00:00

  EPA: match changes in GHC, l2l cleanup
  

• 30baac7a
  by Tobias Haslop at 2023-11-06T10:50:32+00:00

  Add laws relating between Foldable/Traversable with their Bi- superclasses
  
  See https://github.com/haskell/core-libraries-committee/issues/205 for
  discussion.
  
  This commit also documents that the tuple instances only satisfy the
  laws up to lazyness, similar to the documentation added in !9512.
  

• df626f00
  by Tobias Haslop at 2023-11-07T02:20:37-05:00

  Elaborate on the quantified superclass of Bifunctor
  
  This was requested in the comment
  https://github.com/haskell/core-libraries-committee/issues/93#issuecomment-1597271700
  for when Traversable becomes a superclass of Bitraversable, but similarly
  applies to Functor/Bifunctor, which already are in a superclass relationship.
  

• 8217acb8
  by Alan Zimmerman at 2023-11-07T02:21:12-05:00

  EPA: get rid of l2l and friends
  
  Replace them with
  
    l2l to convert the location
    la2la to convert a GenLocated thing
  
  Updates haddock submodule
  

• dd88a260
  by Luite Stegeman at 2023-11-07T02:21:53-05:00

  JS: remove broken newIdents from JStg Monad
  
  GHC.JS.JStg.Monad.newIdents was broken, resulting in duplicate
  identifiers being generated in h$c1, h$c2, ... .
  
  This change removes the broken newIdents.
  

• 455524a2
  by Matthew Craven at 2023-11-09T08:41:59-05:00

  Create specially-solved DataToTag class
  
  Closes #20532. This implements CLC proposal 104:
    https://github.com/haskell/core-libraries-committee/issues/104
  
  The design is explained in Note [DataToTag overview]
  in GHC.Tc.Instance.Class. This replaces the existing
  `dataToTag#` primop.
  
  These metric changes are not "real"; they represent Unique-related
  flukes triggering on a different set of jobs than they did previously.
  See also #19414.
  
  Metric Decrease:
      T13386
      T8095
  Metric Increase:
      T13386
      T8095
  
  Co-authored-by: Simon Peyton Jones <simon.peytonjones@gmail.com>
  

• a05f4554
  by Alan Zimmerman at 2023-11-09T08:42:35-05:00

  EPA: get rid of glRR and friends in GHC/Parser.y
  
  With the HasLoc and HasAnnotation classes, we can replace a
  number of type-specific helper functions in the parser with
  polymorphic ones instead
  
  Metric Decrease:
      MultiLayerModulesTH_Make
  

• 18498538
  by Cheng Shao at 2023-11-09T16:58:12+00:00

  ci: bump ci-images for wasi-sdk upgrade
  

• 52c0fc69
  by PHO at 2023-11-09T19:16:22-05:00

  Don't assume the current locale is *.UTF-8, set the encoding explicitly
  
  primops.txt contains Unicode characters:
  > LC_ALL=C ./genprimopcode --data-decl < ./primops.txt
  > genprimopcode: <stdin>: hGetContents: invalid argument (cannot decode byte sequence starting from 226)
  
  Hadrian must also avoid using readFile' to read primops.txt because it
  tries to decode the file with a locale-specific encoding.
  

• 7233b3b1
  by PHO at 2023-11-09T19:17:01-05:00

  Use '[' instead of '[[' because the latter is a Bash-ism
  
  It doesn't work on platforms where /bin/sh is something other than Bash.
  

• 6dbab180
  by Simon Peyton Jones at 2023-11-09T19:17:36-05:00

  Add an extra check in kcCheckDeclHeader_sig
  
  Fix #24083 by checking for a implicitly-scoped type variable that is not
  actually bound.  See Note [Disconnected type variables] in GHC.Tc.Gen.HsType
  
  For some reason, on aarch64-darwin we saw a 2.8% decrease in compiler
  allocations for MultiLayerModulesTH_Make; but 0.0% on other architectures.
  
  Metric Decrease:
      MultiLayerModulesTH_Make
  

• 22551364
  by Sven Tennie at 2023-11-11T06:35:22-05:00

  AArch64: Delete unused LDATA pseudo-instruction
  
  Though there were consuming functions for LDATA, there were no
  producers. Thus, the removed code was "dead".
  

• 2a0ec8eb
  by Alan Zimmerman at 2023-11-11T06:35:59-05:00

  EPA: harmonise acsa and acsA in GHC/Parser.y
  
  With the HasLoc class, we can remove the acsa helper function,
  using acsA instead.
  

• 4ceac14d
  by Alan Zimmerman at 2023-11-11T15:16:41+00:00

  EPA: Replace Anchor with EpaLocation
  
  Match GHC
  

• 7ae517a0
  by Teo Camarasu at 2023-11-12T08:04:12-05:00

  nofib: bump submodule
  
  This includes changes that:
  - fix building a benchmark with HEAD
  - remove a Makefile-ism that causes errors in bash scripts
  
  Resolves #24178
  

• 3f0036ec
  by Alan Zimmerman at 2023-11-12T08:04:47-05:00

  EPA: Replace Anchor with EpaLocation
  
  An Anchor has a location and an operation, which is either that it is
  unchanged or that it has moved with a DeltaPos
  
      data Anchor = Anchor { anchor :: RealSrcSpan
                           , anchor_op :: AnchorOperation }
  
  An EpaLocation also has either a location or a DeltaPos
  
      data EpaLocation = EpaSpan !RealSrcSpan !(Strict.Maybe BufSpan)
                       | EpaDelta !DeltaPos ![LEpaComment]
  
  Now that we do not care about always having a location in the anchor,
  we remove Anchor and replace it with EpaLocation
  
  We do this with a type alias initially, to ease the transition.
  The alias will be removed in time.
  
  We also have helpers to reconstruct the AnchorOperation from an
  EpaLocation. This is also temporary.
  
  Updates Haddock submodule
  

• a7492048
  by Alan Zimmerman at 2023-11-12T13:43:07+00:00

  EPA: get rid of AnchorOperation
  
  Now that the Anchor type is an alias for EpaLocation, remove
  AnchorOperation.
  
  Updates haddock submodule
  

• 0745c34d
  by Andrew Lelechenko at 2023-11-13T16:25:07-05:00

  Add since annotation for showHFloat
  

• e98051a5
  by Rodrigo Mesquita at 2023-11-15T13:18:58-05:00

  Suppress duplicate librares linker warning of new macOS linker
  
  Fixes #24167
  
  XCode 15 introduced a new linker which warns on duplicate libraries being
  linked. To disable this warning, we pass -Wl,-no_warn_duplicate_libraries as
  suggested by Brad King in CMake issue #25297.
  
  This flag isn't necessarily available to other linkers on darwin, so we must
  only configure it into the CC linker arguments if valid.
  

• c411c431
  by Rodrigo Mesquita at 2023-11-15T13:18:58-05:00

  testsuite: Encoding test witnesses recent iconv bug is fragile
  
  A regression in the new iconv() distributed with XCode 15 and MacOS
  Sonoma causes the test 'encoding004' to fail in the CP936 roundrip.
  
  We mark this test as fragile until this is fixed upstream (rather than
  broken, since previous versions of iconv pass the test)
  
  See #24161
  

• ce7fe5a9
  by Rodrigo Mesquita at 2023-11-15T13:18:58-05:00

  testsuite: Update to LC_ALL=C no longer being ignored in darwin
  
  MacOS seems to have fixed an issue where it used to ignore the variable
  `LC_ALL` in program invocations and default to using Unicode.
  
  Since the behaviour seems to be fixed to account for the locale
  variable, we mark tests that were previously broken in spite of it as
  fragile (since they now pass in recent macOS distributions)
  
  See #24161
  

• e6c803f7
  by Rodrigo Mesquita at 2023-11-15T13:18:58-05:00

  darwin: Fix single_module is obsolete warning
  
  In XCode 15's linker, -single_module is the default and otherwise
  passing it as a flag results in a warning being raised:
  
      ld: warning: -single_module is obsolete
  
  This patch fixes this warning by, at configure time, determining whether
  the linker supports -single_module (which is likely false for all
  non-darwin linkers, and true for darwin linkers in previous versions of
  macOS), and using that information at runtime to decide to pass or not
  the flag in the invocation.
  
  Fixes #24168
  

• 929ba2f9
  by Rodrigo Mesquita at 2023-11-15T13:18:58-05:00

  testsuite: Skip MultiLayerModulesTH_Make on darwin
  
  The recent toolchain upgrade on darwin machines resulted in the
  MultiLayerModulesTH_Make test metrics varying too much from the
  baseline, ultimately blocking the CI pipelines.
  
  This commit skips the test on darwin to temporarily avoid failures due
  to the environment change in the runners. However, the metrics
  divergence is being investigated still (tracked in #24177)
  

• af261ccd
  by Rodrigo Mesquita at 2023-11-15T13:18:58-05:00

  configure: check target (not build) understands -no_compact_unwind
  
  Previously, we were branching on whether the build system was darwin to
  shortcut this check, but we really want to branch on whether the target
  system (which is what we are configuring ld_prog for) is darwin.
  

• 2125c176
  by Luite Stegeman at 2023-11-15T13:19:38-05:00

  JS: Fix missing variable declarations
  
  The JStg IR update was missing some local variable declarations
  that were present earlier, causing global variables to be used
  implicitly (or an error in JavaScript strict mode).
  
  This adds the local variable declarations again.
  

• 99ced73b
  by Krzysztof Gogolewski at 2023-11-15T13:20:14-05:00

  Remove loopy superclass solve mechanism
  
  Programs with a -Wloopy-superclass-solve warning will now fail with an error.
  
  Fixes #23017
  

• 2aff2361
  by Zubin Duggal at 2023-11-15T13:20:50-05:00

  users-guide: Fix links to libraries from the users-guide.
  
  The unit-ids generated in c1a3ecde720b3bddc2c8616daaa06ee324e602ab include the
  package name, so we don't need to explicitly add it to the links.
  
  Fixes #24151
  

• 27981fac
  by Alan Zimmerman at 2023-11-15T13:21:25-05:00

  EPA: splitLHsForAllTyInvis does not return ann
  
  We did not use the annotations returned from splitLHsForAllTyInvis, so
  do not return them.
  

• a6467834
  by Krzysztof Gogolewski at 2023-11-15T22:22:59-05:00

  Document defaulting of RuntimeReps
  
  Fixes #24099
  

• 2776920e
  by Simon Peyton Jones at 2023-11-15T22:23:35-05:00

  Second fix to #24083
  
  My earlier fix turns out to be too aggressive for data/type families
  
  See wrinkle (DTV1) in Note [Disconnected type variables]
  

• cee81370
  by Sylvain Henry at 2023-11-16T09:57:46-05:00

  Fix unusable units and module reexport interaction (#21097)
  
  This commit fixes an issue with ModUnusable introduced in df0f148feae.
  
  In mkUnusableModuleNameProvidersMap we traverse the list of unusable
  units and generate ModUnusable origin for all the modules they contain:
  exposed modules, hidden modules, and also re-exported modules. To do
  this we have a two-level map:
  
    ModuleName -> Unit:ModuleName (aka Module) -> ModuleOrigin
  
  So for each module name "M" in broken unit "u" we have:
    "M" -> u:M -> ModUnusable reason
  
  However in the case of module reexports we were using the *target*
  module as a key. E.g. if "u:M" is a reexport for "X" from unit "o":
     "M" -> o:X -> ModUnusable reason
  
  Case 1: suppose a reexport without module renaming (u:M -> o:M) from
  unusable unit u:
     "M" -> o:M -> ModUnusable reason
  
  Here it's claiming that the import of M is unusable because a reexport
  from u is unusable. But if unit o isn't unusable we could also have in
  the map:
     "M" -> o:M -> ModOrigin ...
  
  Issue: the Semigroup instance of ModuleOrigin doesn't handle the case
  (ModUnusable <> ModOrigin)
  
  Case 2: similarly we could have 2 unusable units reexporting the same module
  without renaming, say (u:M -> o:M) and (v:M -> o:M) with u and v
  unusable. It gives:
  
    "M" -> o:M -> ModUnusable ... (for u)
    "M" -> o:M -> ModUnusable ... (for v)
  
  Issue: the Semigroup instance of ModuleOrigin doesn't handle the case
  (ModUnusable <> ModUnusable).
  
  This led to #21097, #16996, #11050.
  
  To fix this, in this commit we make ModUnusable track whether the module
  used as key is a reexport or not (for better error messages) and we use
  the re-export module as key. E.g. if "u:M" is a reexport for "o:X" and u
  is unusable, we now record:
  
      "M" -> u:M -> ModUnusable reason reexported=True
  
  So now, we have two cases for a reexport u:M -> o:X:
     - u unusable: "M" -> u:M -> ModUnusable ... reexported=True
     - u usable:   "M" -> o:X -> ModOrigin   ... reexportedFrom=u:M
  
  The second case is indexed with o:X because in this case the Semigroup
  instance of ModOrigin is used to combine valid expositions of a module
  (directly or via reexports).
  
  Note that module lookup functions select usable modules first (those who
  have a ModOrigin value), so it doesn't matter if we add new ModUnusable
  entries in the map like this:
  
    "M" -> {
      u:M -> ModUnusable ... reexported=True
      o:M -> ModOrigin ...
    }
  
  The ModOrigin one will be used. Only if there is no ModOrigin or
  ModHidden entry will the ModUnusable error be printed. See T21097 for an
  example printing several reasons why an import is unusable.
  

• 3e606230
  by Krzysztof Gogolewski at 2023-11-16T09:58:22-05:00

  Fix IPE test
  
  A helper function was defined in a different module than used.
  To reproduce: ./hadrian/build test --test-root-dirs=testsuite/tests/rts/ipe
  

• 49f5264b
  by Andreas Klebinger at 2023-11-16T20:52:11-05:00

  Properly compute unpacked sizes for -funpack-small-strict-fields.
  
  Use rep size rather than rep count to compute the size.
  
  Fixes #22309
  

• b4f84e4b
  by James Henri Haydon at 2023-11-16T20:52:53-05:00

  Explicit methods for Alternative Compose
  
  Explicitly define some and many in Alternative instance for
  Data.Functor.Compose
  
  Implementation of https://github.com/haskell/core-libraries-committee/issues/181
  

• 9bc0dd1f
  by Ignat Insarov at 2023-11-16T20:53:34-05:00

  Add permutations for non-empty lists.
  
  Approved by CLC in https://github.com/haskell/core-libraries-committee/issues/68#issuecomment-1221409837
  

• 5643ecf9
  by Andrew Lelechenko at 2023-11-16T20:53:34-05:00

  Update changelog and since annotations for Data.List.NonEmpty.permutations
  
  Approved by CLC in https://github.com/haskell/core-libraries-committee/issues/68#issuecomment-1221409837
  

• 94ff2134
  by Oleg Alexander at 2023-11-16T20:54:15-05:00

  Update doc string for traceShow
  
  Updated doc string for traceShow.
  

• faff671a
  by Luite Stegeman at 2023-11-17T14:12:51+01:00

  JS: clean up some foreign imports
  

• 856e0a4e
  by Sven Tennie at 2023-11-18T06:54:11-05:00

  AArch64: Remove unused instructions
  
  As these aren't ever emitted, we don't even know if they work or will
  ever be used. If one of them is needed in future, we may easily re-add
  it.
  
  Deleted instructions are:
  - CMN
  - ANDS
  - BIC
  - BICS
  - EON
  - ORN
  - ROR
  - TST
  - STP
  - LDP
  - DMBSY
  

• 615441ef
  by Alan Zimmerman at 2023-11-18T06:54:46-05:00

  EPA: Replace Monoid with NoAnn
  
  Remove the final Monoid instances in the exact print infrastructure.
  
  For Windows CI
  
  Metric Decrease:
      T5205
  

• 5a6c49d4
  by David Feuer at 2023-11-20T18:53:18-05:00

  Speed up stimes in instance Semigroup Endo
  
  As discussed at
  https://github.com/haskell/core-libraries-committee/issues/4
  

• cf9da4b3
  by Andrew Lelechenko at 2023-11-20T18:53:18-05:00

  base: reflect latest changes in the changelog
  

• 48bf364e
  by Alan Zimmerman at 2023-11-20T18:53:54-05:00

  EPA: Use SrcSpan in EpaSpan
  
  This is more natural, since we already need to deal with invalid
  RealSrcSpans, and that is exactly what SrcSpan.UnhelpfulSpan is for.
  
  Updates haddock submodule.
  

• 97ec37cc
  by Sebastian Graf at 2023-11-20T18:54:31-05:00

  Add regression test for #6070
  
  Fixes #6070.
  

• e9d5ae41
  by Owen Shepherd at 2023-11-21T18:32:23-05:00

  chore: Correct typo in the gitlab MR template
  
  [skip ci]
  

• f158a8d0
  by Rodrigo Mesquita at 2023-11-21T18:32:59-05:00

  Improve error message when reading invalid `.target` files
  
  A `.target` file generated by ghc-toolchain or by configure can become
  invalid if the target representation (`Toolchain.Target`) is changed
  while the files are not re-generated by calling `./configure` or
  `ghc-toolchain` again. There is also the issue of hadrian caching the
  dependencies on `.target` files, which makes parsing fail when reading
  reading the cached value if the representation has been updated.
  
  This patch provides a better error message in both situations, moving
  away from a terrible `Prelude.read: no parse` error that you would get
  otherwise.
  
  Fixes #24199
  

• 955520c6
  by Ben Gamari at 2023-11-21T18:33:34-05:00

  users guide: Note that QuantifiedConstraints implies ExplicitForAll
  
  Fixes #24025.
  

• 17ec3e97
  by Owen Shepherd at 2023-11-22T09:37:28+01:00

  fix: Change type signatures in NonEmpty export comments to reflect reality
  
  This fixes several typos in the comments of
  Data.List.NonEmpty export list items.
  

• 2fd78f9f
  by Samuel Thibault at 2023-11-22T11:49:13-05:00

  Fix the platform string for GNU/Hurd
  
  As commited in Cargo
  https://github.com/haskell/cabal/pull/9434
  there is confusion between "gnu" and "hurd". This got fixed in Cargo, we
  need the converse in Hadrian.
  
  Fixes #24180
  

• a79960fe
  by Alan Zimmerman at 2023-11-22T11:49:48-05:00

  EPA: Tuple Present no longer has annotation
  
  The Present constructor for a Tuple argument will never have an exact
  print annotation. So make this impossible.
  

• 121c9ab7
  by David Binder at 2023-11-22T21:12:29-05:00

  Unify the hpc testsuites
  
  The hpc testsuite was split between testsuite/tests/hpc
  and the submodule libraries/hpc/test. This commit unifies
  the two testsuites in the GHC repository in the directory
  testsuite/tests/hpc.
  

• d2733a05
  by Alan Zimmerman at 2023-11-22T21:13:05-05:00

  EPA: empty tup_tail has noAnn
  
  In Parser.y, the tup_tail rule had the following option
            | {- empty -} %shift   { return [Left noAnn] }
  
  Once this works through PostProcess.hs, it means we add an extra
  Missing constructor if the last item was a comma.
  
  Change the annotation type to a Bool to indicate this, and use the
  EpAnn Anchor for the print location for the others.
  

• fa576eb8
  by Andreas Klebinger at 2023-11-24T08:29:13-05:00

  Fix FMA primops generating broken assembly on x86.
  
  `genFMA3Code` assumed that we had to take extra precations to avoid overwriting
  the result of `getNonClobberedReg`. One of these special cases caused a bug resulting
  in broken assembly.
  
  I believe we don't need to hadle these cases specially at all, which means this MR simply
  deletes the special cases to fix the bug.
  
  Fixes #24160
  

• 34d86315
  by Alan Zimmerman at 2023-11-24T08:29:49-05:00

  EPA: Remove parenthesizeHsType
  
  This is called from PostProcess.hs, and adds spurious parens.
  With the looser version of exact printing we had before we could
  tolerate this, as they would be swallowed by the original at the same
  place.
  
  But with the next change (remove EpAnnNotUsed) they result in
  duplicates in the output.
  
  For Darwin build:
  
  Metric Increase:
      MultiLayerModulesTH_OneShot
  

• 3ede659d
  by Vladislav Zavialov at 2023-11-26T06:43:32-05:00

  Add name for -Wdeprecated-type-abstractions (#24154)
  
  This warning had no name or flag and was triggered unconditionally.
  Now it is part of -Wcompat.
  

• 7902ebf8
  by Alan Zimmerman at 2023-11-26T06:44:08-05:00

  EPA: Remove EpAnnNotUsed
  
  We no longer need the EpAnnNotUsed constructor for EpAnn, as we can
  represent an unused annotation with an anchor having a EpaDelta of
  zero, and empty comments and annotations.
  
  This simplifies code handling annotations considerably.
  
  Updates haddock submodule
  
  Metric Increase:
      parsing001
  

• 471b2672
  by Mario Blažević at 2023-11-26T06:44:48-05:00

  Bumped the upper bound of text to <2.2
  

• d1bf25c7
  by Vladislav Zavialov at 2023-11-26T11:45:49-05:00

  Term variable capture (#23740)
  
  This patch changes type variable lookup rules (lookupTypeOccRn) and
  implicit quantification rules (filterInScope) so that variables bound
  in the term namespace can be captured at the type level
  
    {-# LANGUAGE RequiredTypeArguments #-}
    f1 x = g1 @x                -- `x` used in a type application
    f2 x = g2 (undefined :: x)  -- `x` used in a type annotation
    f3 x = g3 (type x)          -- `x` used in an embedded type
    f4 x = ...
      where g4 :: x -> x        -- `x` used in a type signature
            g4 = ...
  
  This change alone does not allow us to accept examples shown above,
  but at least it gets them past the renamer.
  

• da863d15
  by Vladislav Zavialov at 2023-11-26T11:46:26-05:00

  Update Note [hsScopedTvs and visible foralls]
  
  The Note was written before GHC gained support for visible forall in
  types of terms. Rewrite a few sentences and use a better example.
  

• b5213542
  by Matthew Pickering at 2023-11-27T12:53:59-05:00

  testsuite: Add mechanism to collect generic metrics
  
  * Generalise the metric logic by adding an additional field which
    allows you to specify how to query for the actual value. Previously
    the method of querying the baseline value was abstracted (but always
    set to the same thing).
  
  * This requires rejigging how the stat collection works slightly but now
    it's more uniform and hopefully simpler.
  
  * Introduce some new "generic" helper functions for writing generic
    stats tests.
  
    - collect_size ( deviation, path )
      Record the size of the file as a metric
  
    - stat_from_file ( metric, deviation, path )
      Read a value from the given path, and store that as a metric
  
    - collect_generic_stat ( metric, deviation, get_stat)
      Provide your own `get_stat` function, `lambda way: <Int>`, which
      can be used to establish the current value of the metric.
  
    - collect_generic_stats ( metric_info ):
      Like collect_generic_stat but provide the whole dictionary of metric
      definitions.
  
      { metric: {
          deviation: <Int>
          current: lambda way: <Int>
          } }
  
  * Introduce two new "size" metrics for keeping track of build products.
      - `size_hello_obj` - The size of `hello.o` from compiling hello.hs
      - `libdir` - The total size of the `libdir` folder.
  
  * Track the number of modules in the AST tests
     - CountDepsAst
     - CountDepsParser
  
  This lays the infrastructure for #24191 #22256 #17129
  

• 7d9a2e44
  by ARATA Mizuki at 2023-11-27T12:54:39-05:00

  x86: Don't require -mavx2 when using 256-bit floating-point SIMD primitives
  
  Fixes #24222
  

• 4e5ff6a4
  by Alan Zimmerman at 2023-11-27T12:55:15-05:00

  EPA: Remove SrcSpanAnn
  
  Now that we only have a single constructor for EpAnn, And it uses a
  SrcSpan for its location, we can do away with SrcSpanAnn completely.
  It only existed to wrap the original SrcSpan in a location, and
  provide a place for the exact print annotation.
  
  For darwin only:
  Metric Increase:
      MultiLayerModulesTH_OneShot
  
  Updates haddock submodule
  

• e05bca39
  by Krzysztof Gogolewski at 2023-11-28T08:00:55-05:00

  testsuite: don't initialize testdir to '.'
  
  The test directory is removed during cleanup, if there's an interrupt
  that could remove the entire repository.
  
  Fixes #24219
  

• af881674
  by Alan Zimmerman at 2023-11-28T08:01:30-05:00

  EPA: Clean up mkScope in Ast.hs
  
  Now that we have HasLoc we can get rid of all the custom variants of
  mkScope
  
  For deb10-numa
  
  Metric Increase:
      libdir
  

• 292983c8
  by Ben Gamari at 2023-11-28T22:44:28-05:00

  distrib: Rediscover otool and install_name_tool on Darwin
  
  In the bindist configure script we must rediscover the `otool` and
  `install_name_tool`s since they may be different from the build
  environment.
  
  Fixes #24211.
  

• dfe1c354
  by Stefan Schulze Frielinghaus at 2023-11-28T22:45:04-05:00

  llvmGen: Align objects in the data section
  
  Objects in the data section may be referenced via tagged pointers.
  Thus, align those objects to a 4- or 8-byte boundary for 32- or 64-bit
  platforms, respectively.  Note, this may need to be reconsidered if
  objects with a greater natural alignment requirement are emitted as e.g.
  128-bit atomics.
  
  Fixes #24163.
  

• f6c486c3
  by Matthew Pickering at 2023-11-29T11:08:13-05:00

  metrics: Widen libdir and size_hello_obj acceptance window
  
  af8816740d9b8759be1a22af8adcb5f13edeb61d shows that the libdir size can
  fluctuate quite significantly even when the change is quite small.
  Therefore we widen the acceptance window to 10%.
  

• 99a6a49c
  by Alan Zimmerman at 2023-11-29T11:08:49-05:00

  EPA: Clean up TC Monad Utils
  
  We no longer need the alternative variant of addLocM (addLocMA)
  nor wrapLocAM, wrapLocSndMA.
  
  aarch64-darwin
  Metric Increase:
      MultiLayerModulesTH_OneShot
  
  deb10-numa-slow
  Metric Decrease:
      libdir
  

• 94fb8d47
  by Alan Zimmerman at 2023-11-29T18:10:26+00:00

  Match GHC, No comments in EpaDelta for comments
  

• cbc03fa0
  by Sebastian Graf at 2023-11-30T12:37:21-05:00

  perf tests: Move comments into new `Note [Sensitivity to unique increment]` (#19414)
  
  And additionally to T12545, link from T8095, T13386 to this new Note.
  

• c7623b22
  by Alan Zimmerman at 2023-11-30T12:37:56-05:00

  EPA: EpaDelta for comment has no comments
  
  EpaLocation is used to position things. It has two constructors,
  EpaSpan holding a SrcSpan, and EpaDelta with a delta position and a
  possible list of comments.  The comment list is needed because the
  location in EpaDelta has no absolute information to decide which
  comments should be emitted before them when printing.
  
  But it is also used for specifying the position of a comment.  To
  prevent the absurdity of a comment position having a list of comments
  in it, we make EpaLocation parameterisable, using comments for the
  normal case and a constant for within comments.
  
  Updates haddock submodule.
  
  aarch64-darwin
  Metric Decrease:
      MultiLayerModulesTH_OneShot
  

• bd8acc0c
  by Krzysztof Gogolewski at 2023-11-30T12:38:32-05:00

  Kind-check body of a required forall
  
  We now require that in 'forall a -> ty', ty has kind TYPE r for some r.
  Fixes #24176
  

• 010fb784
  by Owen Shepherd at 2023-12-03T00:10:09-05:00

  docs(NonEmpty/group): Remove incorrect haddock link quotes in code block
  

• cda9c12d
  by Owen Shepherd at 2023-12-03T00:10:09-05:00

  docs(NonEmpty/group): Remove cycle from group haddock example
  

• 495265b9
  by Owen Shepherd at 2023-12-03T00:10:09-05:00

  docs(NonEmpty/group): Use repl haddock syntax in group docs
  

• d134d1de
  by Owen Shepherd at 2023-12-03T00:10:09-05:00

  docs(NonEmpty/group): Use list [] notation in group haddock
  

• dfcf629c
  by Owen Shepherd at 2023-12-03T00:10:10-05:00

  docs(NonEmpty/group): Specify final property of group function in haddock
  

• cad3b734
  by Owen Shepherd at 2023-12-03T00:10:10-05:00

  fix: Add missing property of List.group
  

• bad37656
  by Matthew Pickering at 2023-12-03T00:10:46-05:00

  testsuite: Fix T21097b test with make 4.1 (deb9)
  
  cee81370cd6ef256f66035e3116878d4cb82e28b recently added a test which
  failed on deb9 because the version of make was emitting the recipe
  failure to stdout rather than stderr.
  
  One way to fix this is to be more precise in the test about which part
  of the output we care about inspecting.
  

• 5efdf421
  by Matthew Pickering at 2023-12-03T00:11:21-05:00

  testsuite: Track size of libdir in bytes
  
  For consistency it's better if we track all size metrics in bytes.
  
  Metric Increase:
    libdir
  

• f5eb0f29
  by Matthew Pickering at 2023-12-03T00:11:22-05:00

  testsuite: Remove rogue trace in testsuite
  
  I accidentally left a trace in the generics metric patch.
  

• d5610737
  by Claudio Bley at 2023-12-06T16:13:33-05:00

  Only exit ghci in -e mode when :add command fails
  
  Previously, when running `ghci -e ':add Sample.hs'` the process would
  exit with exit code 1 if the file exists and could be loaded.
  
  Fixes #24115
  

• 0f0c53a5
  by Vladislav Zavialov at 2023-12-06T16:14:09-05:00

  T2T in Patterns (#23739)
  
  This patch implements the T2T (term-to-type) transformation in patterns.
  Patterns that are checked against a visible forall can now be written
  without the `type` keyword:
  
  	  \(type t) (x :: t) -> ...   -- old
  	  \t (x :: t) -> ...          -- new
  
  The `t` binder is parsed and renamed as a term pattern (Pat), but
  then undergoes a conversion to a type pattern (HsTyPat).
  See the new function pat_to_type_pat in compiler/GHC/Tc/Gen/Pat.hs
  

• 10a1a6c6
  by Sebastian Graf at 2023-12-06T16:14:45-05:00

  Pmc: Fix SrcLoc and warning for incomplete irrefutable pats (#24234)
  
  Before, the source location would point at the surrounding function definition,
  causing the confusion in #24234.
  I also took the opportunity to introduce a new `LazyPatCtx :: HsMatchContext _`
  to make the warning message say "irrefutable pattern" instead of "pattern
  binding".
  

• 36b9a38c
  by Matthew Pickering at 2023-12-06T16:15:21-05:00

  libraries: Bump filepath to 1.4.200.1 and unix to 2.8.4.0
  
  Updates filepath submodule
  Updates unix submodule
  
  Fixes #24240
  

• 91ff0971
  by Matthew Pickering at 2023-12-06T16:15:21-05:00

  Submodule linter: Allow references to tags
  
  We modify the submodule linter so that if the bumped commit is a
  specific tag then the commit is accepted.
  
  Fixes #24241
  

• 86f652dc
  by Zubin Duggal at 2023-12-06T16:15:21-05:00

  hadrian: set -Wno-deprecations for directory and Win32
  
  The filepath bump to 1.4.200.1 introduces a deprecation warning.
  
  See https://gitlab.haskell.org/ghc/ghc/-/issues/24240
      https://github.com/haskell/filepath/pull/206
  

• 7ac6006e
  by Sylvain Henry at 2023-12-06T16:16:02-05:00

  Zap OccInfo on case binders during StgCse #14895 #24233
  
  StgCse can revive dead binders:
  
    case foo of dead { Foo x y -> Foo x y; ... }
    ===>
    case foo of dead { Foo x y -> dead; ... } -- dead is no longer dead
  
  So we must zap occurrence information on case binders.
  
  Fix #14895 and #24233
  

• 57c391c4
  by Sebastian Graf at 2023-12-06T16:16:37-05:00

  Cpr: Turn an assertion into a check to deal with some dead code (#23862)
  
  See the new `Note [Dead code may contain type confusions]`.
  
  Fixes #23862.
  

• c1c8abf8
  by Zubin Duggal at 2023-12-08T02:25:07-05:00

  testsuite: add test for #23944
  

• 6329d308
  by Zubin Duggal at 2023-12-08T02:25:07-05:00

  driver: Only run a dynamic-too pipeline if object files are going to be generated
  
  Otherwise we run into a panic in hscMaybeWriteIface: "Unexpected DT_Dyn state
  when writing simple interface" when dynamic-too is enabled
  
  We could remove the panic and just write the interface even if the state is `DT_Dyn`,
  but it seems pointless to run the pipeline twice when `hscMaybeWriteIface` is already
  designed to write both `hi` and `dyn_hi` files if dynamic-too is enabled.
  
  Fixes #23944.
  

• 28811f88
  by Simon Peyton Jones at 2023-12-08T05:47:18-05:00

  Improve duplicate elimination in SpecConstr
  
  This partially fixes #24229.
  
  See the new Note [Pattern duplicate elimination] in SpecConstr
  

• fec7894f
  by Simon Peyton Jones at 2023-12-08T05:47:18-05:00

  Make SpecConstr deal with casts better
  
  This patch does two things, to fix #23209:
  
  * It improves SpecConstr so that it no longer quantifies over
    coercion variables.  See Note [SpecConstr and casts]
  
  * It improves the rule matcher to deal nicely with the case where
    the rule does not quantify over coercion variables, but the the
    template has a cast in it.  See Note [Casts in the template]
  

• 8db8d2fd
  by Zubin Duggal at 2023-12-08T05:47:54-05:00

  driver: Don't lose track of nodes when we fail to resolve cycles
  
  The nodes that take part in a cycle should include both hs-boot and hs files,
  but when we fail to resolve a cycle, we were only counting the nodes from the
  graph without boot files.
  
  Fixes #24196
  

• c5b4efd3
  by Zubin Duggal at 2023-12-08T05:48:30-05:00

  testsuite: Skip MultiLayerModulesTH_OneShot on darwin
  
  See #24177
  

• fae472a9
  by Wendao Lee at 2023-12-08T05:49:12-05:00

  docs(Data.Char):Add more detailed descriptions for some functions
  
  Related changed function's docs:
  
  -GHC.Unicode.isAlpha
  -GHC.Unicode.isPrint
  -GHC.Unicode.isAlphaNum
  
  Add more details for what the function will return.
  
  Co-authored-by: Bodigrim <andrew.lelechenko@gmail.com>
  

• ca7510e4
  by Malik Ammar Faisal at 2023-12-08T05:49:55-05:00

  Fix float parsing in GHC Cmm Lexer
  
  Add test case for bug #24224
  

• d8baa1bd
  by Simon Peyton Jones at 2023-12-08T15:40:37+00:00

  Take care when simplifying unfoldings
  
  This MR fixes a very subtle bug exposed by #24242.
  
  See Note [Environment for simplLetUnfolding].
  
  I also updated a bunch of Notes on shadowing
  

• 03ca551d
  by Simon Peyton Jones at 2023-12-08T15:54:50-05:00

  Comments only in FloatIn
  
  Relevant to #3458
  

• 50c78779
  by Simon Peyton Jones at 2023-12-08T15:54:50-05:00

  Comments only in SpecConstr
  

• 9431e195
  by Simon Peyton Jones at 2023-12-08T15:54:50-05:00

  Add test for #22238
  

• d9e4c597
  by Vladislav Zavialov at 2023-12-11T04:19:34-05:00

  Make forall a keyword (#23719)
  
  Before this change, GHC used to accept `forall` as a term-level
  identifier:
  
  	-- from constraints-0.13
  	forall :: forall p. (forall a. Dict (p a)) -> Dict (Forall p)
  	forall d = ...
  
  Now it is a parse error.
  
  The -Wforall-identifier warning has served its purpose and is now
  a deprecated no-op.
  

• 58d56644
  by Zubin Duggal at 2023-12-11T04:20:10-05:00

  driver: Ensure we actually clear the interactive context before reloading
  
  Previously we called discardIC, but immediately after set the session
  back to an old HscEnv that still contained the IC
  
  Partially addresses #24107
  Fixes #23405
  

• 8e5745a0
  by Zubin Duggal at 2023-12-11T04:20:10-05:00

  driver: Ensure we force the lookup of old build artifacts before returning the build plan
  
  This prevents us from retaining all previous build artifacts in memory until a
  recompile finishes, instead only retaining the exact artifacts we need.
  
  Fixes #24118
  

• 105c370c
  by Zubin Duggal at 2023-12-11T04:20:10-05:00

  testsuite: add test for #24118 and #24107
  
  MultiLayerModulesDefsGhci was not able to catch the leak because it uses
  :l which discards the previous environment.
  
  Using :r catches both of these leaks
  

• e822ff88
  by Zubin Duggal at 2023-12-11T04:20:10-05:00

  compiler: Add some strictness annotations to ImportSpec and related constructors
  This prevents us from retaining entire HscEnvs.
  
  Force these ImportSpecs when forcing the GlobalRdrEltX
  
  Adds an NFData instance for Bag
  
  Fixes #24107
  

• 522c12a4
  by Zubin Duggal at 2023-12-11T04:20:10-05:00

  compiler: Force IfGlobalRdrEnv in NFData instance.
  

• 188b280d
  by Arnaud Spiwack at 2023-12-11T15:33:31+01:00

  LinearTypes => MonoLocalBinds
  

• 8e0446df
  by Arnaud Spiwack at 2023-12-11T15:44:28+01:00

  Linear let and where bindings
  
  For expediency, the initial implementation of linear types in GHC
  made it so that let and where binders would always be considered
  unrestricted. This was rather unpleasant, and probably a big obstacle
  to adoption. At any rate, this was not how the proposal was designed.
  
  This patch fixes this infelicity. It was surprisingly difficult to
  build, which explains, in part, why it took so long to materialise.
  
  As of this patch, let or where bindings marked with %1 will be
  linear (respectively %p for an arbitrary multiplicity p). Unmarked let
  will infer their multiplicity.
  
  Here is a prototypical example of program that used to be rejected and
  is accepted with this patch:
  
  ```haskell
  f :: A %1 -> B
  g :: B %1 -> C
  
  h :: A %1 -> C
  h x = g y
    where
      y = f x
  ```
  
  Exceptions:
  - Recursive let are unrestricted, as there isn't a clear semantics of
    what a linear recursive binding would be.
  - Destructive lets with lazy bindings are unrestricted, as their
    desugaring isn't linear (see also #23461).
  - (Strict) destructive lets with inferred polymorphic type are
    unrestricted. Because the desugaring isn't linear (See #18461
    down-thread).
  
  Closes #18461 and #18739
  
  Co-authored-by: @jackohughes
  

• effa7e2d
  by Matthew Craven at 2023-12-12T04:37:20-05:00

  Introduce `dataToTagSmall#` primop (closes #21710)
  
  ...and use it to generate slightly better code when dataToTag#
  is used at a "small data type" where there is no need to mess
  with "is_too_big_tag" or potentially look at an info table.
  
  Metric Decrease:
      T18304
  

• 35c7aef6
  by Matthew Craven at 2023-12-12T04:37:20-05:00

  Fix formatting of Note [alg-alt heap check]
  

• 7397c784
  by Oleg Grenrus at 2023-12-12T04:37:56-05:00

  Allow untyped brackets in typed splices and vice versa.
  
  Resolves #24190
  
  Apparently the check was essentially always (as far as I can trace back: d0d47ba76f8f0501cf3c4966bc83966ab38cac27),
  and while it does catch some mismatches, the type-checker will catch
  them too. OTOH, it prevents writing completely reasonable programs.
  

• 32d208e1
  by Vladislav Zavialov at 2023-12-12T20:41:36+03:00

  EPA: Match changes to LHsToken removal
  

• a3ee3b99
  by Moritz Angermann at 2023-12-12T19:50:58-05:00

  Drop hard Xcode dependency
  
  XCODE_VERSION calls out to `xcodebuild`, which is only available
  when having `Xcode` installed. The CommandLineTools are not
  sufficient. To install Xcode, you must have an apple id to download
  the Xcode.xip from apple.
  
  We do not use xcodebuild anywhere in our build explicilty. At best
  it appears to be a proxy for checking the linker or the compiler.
  These should rather be done with
  ```
  xcrun ld -version
  ```
  or similar, and not by proxy through Xcode. The CLR should be
  sufficient for building software on macOS.
  

• 1c9496e0
  by Vladislav Zavialov at 2023-12-12T19:51:34-05:00

  docs: update information on RequiredTypeArguments
  
  Update the User's Guide and Release Notes to account for the recent
  progress in the implementation of RequiredTypeArguments.
  

• d0b17576
  by Ben Gamari at 2023-12-13T06:33:37-05:00

  rts/eventlog: Fix off-by-one in assertion
  
  Previously we failed to account for the NULL terminator `postString`
  asserted that there is enough room in the buffer for the string.
  

• a10f9b9b
  by Ben Gamari at 2023-12-13T06:33:37-05:00

  rts/eventlog: Honor result of ensureRoomForVariableEvent is
  
  Previously we would keep plugging along, even if isn't enough room for
  the event.
  

• 0e0f41c0
  by Ben Gamari at 2023-12-13T06:33:37-05:00

  rts/eventlog: Avoid truncating event sizes
  
  Previously ensureRoomForVariableEvent would truncate the desired size to
  16-bits, resulting in #24197.
  
  Fixes #24197.
  

• 64e724c8
  by Artin Ghasivand at 2023-12-13T06:34:20-05:00

  Remove the "Derived Constraint" argument of TcPluginSolver, docs
  

• fe6d97dd
  by Vladislav Zavialov at 2023-12-13T06:34:56-05:00

  EPA: Move tokens into GhcPs extension fields (#23447)
  
  Summary of changes
  
  * Remove Language.Haskell.Syntax.Concrete
  * Move all tokens into GhcPs extension fields (LHsToken -> EpToken)
  * Create new TTG extension fields as needed
  * Drop the MultAnn wrapper
  
  Updates the haddock submodule.
  
  Co-authored-by: Alan Zimmerman <alan.zimm@gmail.com>
  

• 8106e695
  by Zubin Duggal at 2023-12-13T06:35:34-05:00

  testsuite: use copy_files in T23405
  
  This prevents the tree from being dirtied when the file is modified.
  

• ed0e4099
  by Bryan Richter at 2023-12-14T04:30:53-05:00

  Document ghc package's PVP-noncompliance
  
  This changes nothing, it just makes the status quo explicit.
  

• 8bef8d9f
  by Luite Stegeman at 2023-12-14T04:31:33-05:00

  JS: Mark spurious CI failures js_fragile(24259)
  
  This marks the spurious test failures on the JS platform as
  js_fragile(24259), so we don't hold up merge requests while
  fixing the underlying issues.
  
  See #24259
  

• 1c79526a
  by Finley McIlwaine at 2023-12-15T12:24:40-08:00

  Late plugins
  

• 000c3302
  by Finley McIlwaine at 2023-12-15T12:24:40-08:00

  withTiming on LateCCs and late plugins
  

• be4551ac
  by Finley McIlwaine at 2023-12-15T12:24:40-08:00

  add test for late plugins
  

• 7c29da9f
  by Finley McIlwaine at 2023-12-15T12:24:40-08:00

  Document late plugins
  

• 9a52ae46
  by Ben Gamari at 2023-12-20T07:07:26-05:00

  Fix thunk update ordering
  
  Previously we attempted to ensure soundness of concurrent thunk update
  by synchronizing on the access of the thunk's info table pointer field.
  This was believed to be sufficient since the indirectee (which may
  expose a closure allocated by another core) would not be examined
  until the info table pointer update is complete.
  
  However, it turns out that this can result in data races in the presence
  of multiple threads racing a update a single thunk. For instance,
  consider this interleaving under the old scheme:
  
              Thread A                             Thread B
              ---------                            ---------
      t=0     Enter t
        1     Push update frame
        2     Begin evaluation
  
        4     Pause thread
        5     t.indirectee=tso
        6     Release t.info=BLACKHOLE
  
        7     ... (e.g. GC)
  
        8     Resume thread
        9     Finish evaluation
        10    Relaxed t.indirectee=x
  
        11                                         Load t.info
        12                                         Acquire fence
        13                                         Inspect t.indirectee
  
        14    Release t.info=BLACKHOLE
  
  Here Thread A enters thunk `t` but is soon paused, resulting in `t`
  being lazily blackholed at t=6. Then, at t=10 Thread A finishes
  evaluation and updates `t.indirectee` with a relaxed store.
  
  Meanwhile, Thread B enters the blackhole. Under the old scheme this
  would introduce an acquire-fence but this would only synchronize with
  Thread A at t=6. Consequently, the result of the evaluation, `x`, is not
  visible to Thread B, introducing a data race.
  
  We fix this by treating the `indirectee` field as we do all other
  mutable fields. This means we must always access this field with
  acquire-loads and release-stores.
  
  See #23185.
  

• f4b53538
  by Vladislav Zavialov at 2023-12-20T07:08:02-05:00

  docs: Fix link to 051-ghc-base-libraries.rst
  
  The proposal is no longer available at the previous URL.
  

• f7e21fab
  by Matthew Pickering at 2023-12-21T14:57:40+00:00

  hadrian: Build all executables in bin/ folder
  
  In the end the bindist creation logic copies them all into the bin
  folder. There is no benefit to building a specific few binaries in the
  lib/bin folder anymore.
  
  This also removes the ad-hoc logic to copy the touchy and unlit
  executables from stage0 into stage1. It takes <1s to build so we might
  as well just build it.
  

• 0038d052
  by Zubin Duggal at 2023-12-22T23:28:00-05:00

  testsuite: mark jspace as fragile on i386.
  
  This test has been flaky for some time and has been failing consistently on
  i386-linux since 8e0446df landed.
  
  See #24261
  

• dfd670a0
  by Ben Bellick at 2023-12-24T10:10:31-05:00

  Deprecate -ddump-json and introduce -fdiagnostics-as-json
  
  Addresses #19278
  
  This commit deprecates the underspecified -ddump-json flag and
  introduces a newer, well-specified flag -fdiagnostics-as-json.
  
  Also included is a JSON schema as part of the documentation.
  
  The -ddump-json flag will be slated for removal shortly after this merge.
  

• 609e6225
  by Ben Bellick at 2023-12-24T10:10:31-05:00

  Deprecate -ddump-json and introduce -fdiagnostics-as-json
  
  Addresses #19278
  
  This commit deprecates the underspecified -ddump-json flag and
  introduces a newer, well-specified flag -fdiagnostics-as-json.
  
  Also included is a JSON schema as part of the documentation.
  
  The -ddump-json flag will be slated for removal shortly after this merge.
  

• 865513b2
  by Ömer Sinan Ağacan at 2023-12-24T10:11:13-05:00

  Fix BNF in user manual 6.6.8.2: formal syntax for instance declarations
  

• c247b6be
  by Zubin Duggal at 2023-12-25T16:01:23-05:00

  docs: document permissibility of -XOverloadedLabels (#24249)
  
  Document the permissibility introduced by
  https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0170-unrestricted-overloadedlabels.rst
  

• e5b7eb59
  by Ömer Sinan Ağacan at 2023-12-25T16:02:03-05:00

  Fix a code block syntax in user manual sec. 6.8.8.6
  

• 2db11c08
  by Ben Gamari at 2023-12-29T15:35:48-05:00

  genSym: Reimplement via CAS on 32-bit platforms
  
  Previously the remaining use of the C implementation on 32-bit platforms
  resulted in a subtle bug, #24261. This was due to the C object (which
  used the RTS's `atomic_inc64` macro) being compiled without `-threaded`
  yet later being used in a threaded compiler.
  
  Side-step this issue by using the pure Haskell `genSym` implementation on
  all platforms. This required implementing `fetchAddWord64Addr#` in terms
  of CAS on 64-bit platforms.
  

• 19328a8c
  by Xiaoyan Ren at 2023-12-29T15:36:30-05:00

  Do not color the diagnostic code in error messages (#24172)
  

• 685b467c
  by Krzysztof Gogolewski at 2023-12-29T15:37:06-05:00

  Enforce that bindings of implicit parameters are lifted
  
  Fixes #24298
  

• bc4d67b7
  by Matthew Craven at 2023-12-31T06:15:42-05:00

  StgToCmm: Detect some no-op case-continuations
  
  ...and generate no code for them. Fixes #24264.
  

• 5b603139
  by Krzysztof Gogolewski at 2023-12-31T06:16:18-05:00

  Revert "testsuite: mark jspace as fragile on i386."
  
  This reverts commit 0038d052c8c80b4b430bb2aa1c66d5280be1aa95.
  
  The atomicity bug should be fixed by !11802.
  

• d55216ad
  by Krzysztof Gogolewski at 2024-01-01T12:05:49-05:00

  Refactor: store [[PrimRep]] rather than [Type] in STG
  
  StgConApp stored a list of types. This list was used exclusively
  during unarisation of unboxed sums (mkUbxSum).
  However, this is at a wrong level of abstraction:
  STG shouldn't be concerned with Haskell types, only PrimReps.
  Update the code to store a [[PrimRep]]. Also, there's no point in storing
  this list when we're not dealing with an unboxed sum.
  

• 8b340bc7
  by Ömer Sinan Ağacan at 2024-01-01T12:06:29-05:00

  Kind signatures docs: mention that they're allowed in newtypes
  

• 989bf8e5
  by Zubin Duggal at 2024-01-03T20:08:47-05:00

  ci: Ensure we use the correct bindist name for the test artifact when generating
  release ghcup metadata
  
  Fixes #24268
  

• 89299a89
  by Krzysztof Gogolewski at 2024-01-03T20:09:23-05:00

  Refactor: remove calls to typePrimRepArgs
  
  The function typePrimRepArgs is just a thin wrapper around
  typePrimRep, adding a VoidRep if the list is empty.
  However, in StgToByteCode, we were discarding that VoidRep anyway,
  so there's no point in calling it.
  

• c7be0c68
  by mmzk1526 at 2024-01-03T20:10:07-05:00

  Use "-V" for alex version check for better backward compatibility
  Fixes #24302.
  In recent versions of alex, "-v" is used for "--verbose" instead of "-version".
  

• 67dbcc0a
  by Krzysztof Gogolewski at 2024-01-05T02:07:18-05:00

  Fix VoidRep handling in ghci debugger
  
  'go' inside extractSubTerms was giving a bad result given a VoidRep,
  attempting to round towards the next multiple of 0.
  I don't understand much about the debugger but the code should be better
  than it was.
  
  Fixes #24306
  

• 90ea574e
  by Krzysztof Gogolewski at 2024-01-05T02:07:54-05:00

  VoidRep-related refactor
  
  * In GHC.StgToByteCode, replace bcIdPrimId with idPrimRep,
    bcIdArgRep with idArgRep, atomPrimRep with stgArgRep1.
    All of them were duplicates.
  * In GHC.Stg.Unarise, we were converting a PrimRep to a Type and back to
    PrimRep. Remove the calls to primRepToType and typePrimRep1 which cancel out.
  * In GHC.STG.Lint, GHC.StgToCmm, GHC.Types.RepType we were filtering out
    VoidRep from the result of typePrimRep. But typePrimRep never returns
    VoidRep - remove the filtering.
  

• eaf72479
  by brian at 2024-01-06T23:03:09-05:00

  Add unaligned Addr# primops
  
  Implements CLC proposal #154:
    https://github.com/haskell/core-libraries-committee/issues/154
  
  * add unaligned addr primops
  
  * add tests
  
  * accept tests
  
  * add documentation
  
  * fix js primops
  
  * uncomment in access ops
  
  * use Word64 in tests
  
  * apply suggestions
  
  * remove extra file
  
  * move docs
  
  * remove random options
  
  * use setByteArray# primop
  
  * better naming
  
  * update base-exports test
  
  * add base-exports for other architectures
  

• d471d445
  by Krzysztof Gogolewski at 2024-01-06T23:03:47-05:00

  Remove VoidRep from PrimRep, introduce PrimOrVoidRep
  
  This introduces
  
  data PrimOrVoidRep = VoidRep | NVRep PrimRep
  
  changes typePrimRep1 to return PrimOrVoidRep, and adds a new function
  typePrimRepU to be used when the argument is definitely non-void.
  Details in Note [VoidRep] in GHC.Types.RepType.
  
  Fixes #19520
  

• 48720a07
  by Matthew Craven at 2024-01-08T18:57:36-05:00

  Apply Note [Sensitivity to unique increment] to LargeRecord
  

• 9e2e180f
  by Sebastian Graf at 2024-01-08T18:58:13-05:00

  Debugging: Add diffUFM for convenient diffing between UniqFMs
  

• 948f3e35
  by Sebastian Graf at 2024-01-08T18:58:13-05:00

  Rename Opt_D_dump_stranal to Opt_D_dump_dmdanal
  
  ... and Opt_D_dump_str_signatures to Opt_D_dump_dmd_signatures
  

• 4e217e3e
  by Sebastian Graf at 2024-01-08T18:58:13-05:00

  Deprecate -ddump-stranal and -ddump-str-signatures
  
  ... and suggest -ddump-dmdanal and -ddump-dmd-signatures instead
  

• 6c613c90
  by Sebastian Graf at 2024-01-08T18:58:13-05:00

  Move testsuite/tests/stranal to testsuite/tests/dmdanal
  
  A separate commit so that the rename is obvious to Git(Lab)
  

• c929f02b
  by Sebastian Graf at 2024-01-08T18:58:13-05:00

  CoreSubst: Stricten `substBndr` and `cloneBndr`
  
  Doing so reduced allocations of `cloneBndr` by about 25%.
  
  ```
  T9233(normal) ghc/alloc    672,488,656    663,083,216  -1.4% GOOD
  T9675(optasm) ghc/alloc    423,029,256    415,812,200  -1.7%
  
      geo. mean                                          -0.1%
      minimum                                            -1.7%
      maximum                                            +0.1%
  ```
  
  Metric Decrease:
      T9233
  

• e3ca78f3
  by Krzysztof Gogolewski at 2024-01-10T17:35:59-05:00

  Deprecate -Wsemigroup
  
  This warning was used to prepare for Semigroup becoming a superclass
  of Monoid, and for (<>) being exported from Prelude. This happened in
  GHC 8.4 in 8ae263ceb3566 and feac0a3bc69fd3.
  
  The leftover logic for (<>) has been removed in GHC 9.8, 4d29ecdfcc79.
  Now the warning does nothing at all and can be deprecated.
  

• 08d14925
  by amesgen at 2024-01-10T17:36:42-05:00

  WASM metadata: use correct GHC version
  

• 7a808419
  by Xiaoyan Ren at 2024-01-10T17:37:24-05:00

  Allow SCC declarations in TH (#24081)
  

• 28827c51
  by Xiaoyan Ren at 2024-01-10T17:37:24-05:00

  Fix prettyprinting of SCC pragmas
  

• ae9cc1a8
  by Matthew Craven at 2024-01-10T17:38:01-05:00

  Fix loopification in the presence of void arguments
  
  This also removes Note [Void arguments in self-recursive tail calls],
  which was just misleading.  It's important to count void args both
  in the function's arity and at the call site.
  
  Fixes #24295.
  

• b718b145
  by Zubin Duggal at 2024-01-10T17:38:36-05:00

  testsuite: Teach testsuite driver about c++ sources
  

• 09cb57ad
  by Zubin Duggal at 2024-01-10T17:38:36-05:00

  driver: Set -DPROFILING when compiling C++ sources with profiling
  
  Earlier, we used to pass all preprocessor flags to the c++ compiler.
  This meant that -DPROFILING was passed to the c++ compiler because
  it was a part of C++ flags
  However, this was incorrect and the behaviour was changed in
  8ff3134ed4aa323b0199ad683f72165e51a59ab6. See #21291.
  
  But that commit exposed this bug where -DPROFILING was no longer being passed
  when compiling c++ sources.
  
  The fix is to explicitly include -DPROFILING in `opt_cxx` when profiling is
  enabled to ensure we pass the correct options for the way to both C and C++
  compilers
  
  Fixes #24286
  

• 2cf9dd96
  by Zubin Duggal at 2024-01-10T17:38:36-05:00

  testsuite: rename objcpp -> objcxx
  
  To avoid confusion with C Pre Processsor
  

• af6932d6
  by Simon Peyton Jones at 2024-01-10T17:39:12-05:00

  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.
  
  Easily fixed.
  

• 4a39b5ff
  by Zubin Duggal at 2024-01-10T17:39:48-05:00

  ci: Fix typo in mk_ghcup_metadata.py
  
  There was a missing colon in the fix to #24268 in 989bf8e53c08eb22de716901b914b3607bc8dd08
  

• 13503451
  by Zubin Duggal at 2024-01-10T17:40:24-05:00

  release-ci: remove release-x86_64-linux-deb11-release+boot_nonmoving_gc job
  
  There is no reason to have this release build or distribute this variation.
  This configuration is for testing purposes only.
  

• afca46a4
  by Sebastian Graf at 2024-01-10T17:41:00-05:00

  Parser: Add a Note detailing why we need happy's `error` to implement layout
  

• eaf8a06d
  by Krzysztof Gogolewski at 2024-01-11T00:43:17+01:00

  Turn -Wtype-equality-out-of-scope on by default
  
  Also remove -Wnoncanonical-{monoid,monad}-instances from -Wcompat,
  since they are enabled by default. Refresh wcompat-warnings/ test
  with new -Wcompat warnings.
  
  Part of #24267
  
  Co-authored-by: sheaf <sam.derbyshire@gmail.com>
  

• 42bee5aa
  by Sebastian Graf at 2024-01-12T21:16:21-05:00

  Arity: Require called *exactly once* for eta exp with -fpedantic-bottoms (#24296)
  
  In #24296, we had a program in which we eta expanded away an error despite the
  presence of `-fpedantic-bottoms`.
  This was caused by turning called *at least once* lambdas into one-shot lambdas,
  while with `-fpedantic-bottoms` it is only sound to eta expand over lambdas that
  are called *exactly* once.
  An example can be found in `Note [Combining arity type with demand info]`.
  
  Fixes #24296.
  

• 7e95f738
  by Andreas Klebinger at 2024-01-12T21:16:57-05:00

  Aarch64: Enable -mfma by default.
  
  Fixes #24311
  

• e43788d0
  by Jason Shipman at 2024-01-14T12:47:38-05:00

  Add more instances for Compose: Fractional, RealFrac, Floating, RealFloat
  
  CLC proposal #226 https://github.com/haskell/core-libraries-committee/issues/226
  

• ae6d8cd2
  by Sebastian Graf at 2024-01-14T12:48:15-05:00

  Pmc: COMPLETE pragmas associated with Family TyCons should apply to representation TyCons as well (#24326)
  
  Fixes #24326.
  

• c5fc7304
  by sheaf at 2024-01-15T14:15:29-05:00

  Use lookupOccRn_maybe in TH.lookupName
  
  When looking up a value, we want to be able to find both variables
  and record fields. So we should not use the lookupSameOccRn_maybe
  function, as we can't know ahead of time which record field namespace
  a record field with the given textual name will belong to.
  
  Fixes #24293
  

• da908790
  by Krzysztof Gogolewski at 2024-01-15T14:16:05-05:00

  Make the build more strict on documentation errors
  
  * Detect undefined labels. This can be tested by adding :ref:`nonexistent`
    to a documentation rst file; attempting to build docs will fail.
    Fixed the undefined label in `9.8.1-notes.rst`.
  * Detect errors. While we have plenty of warnings, we can at least enforce
    that Sphinx does not report errors.
    Fixed the error in `required_type_arguments.rst`.
  
  Unrelated change: I have documented that the `-dlint` enables
  `-fcatch-nonexhaustive-cases`, as can be verified by checking
  `enableDLint`.
  

• 5077416e
  by Javier Sagredo at 2024-01-16T15:40:06-05:00

  Profiling: Adds an option to not start time profiling at startup
  
  Using the functionality provided by
  d89deeba47ce04a5198a71fa4cbc203fe2c90794, this patch creates a new rts
  flag `--no-automatic-time-samples` which disables the time profiling
  when starting a program. It is then expected that the user starts it
  whenever it is needed.
  
  Fixes #24337
  

• 5776008c
  by Matthew Pickering at 2024-01-16T15:40:42-05:00

  eventlog: Fix off-by-one error in postIPE
  
  We were missing the extra_comma from the calculation of the size of the
  payload of postIPE. This was causing assertion failures when the event
  would overflow the buffer by one byte, as ensureRoomForVariable event
  would report there was enough space for `n` bytes but then we would
  write `n + 1` bytes into the buffer.
  
  Fixes #24287
  

• 66dc09b1
  by Simon Peyton Jones at 2024-01-16T15:41:18-05:00

  Improve SpecConstr (esp nofib/spectral/ansi)
  
  This MR makes three improvements to SpecConstr: see #24282
  
  * It fixes an outright (and recently-introduced) bug in `betterPat`, which
    was wrongly forgetting to compare the lengths of the argument lists.
  
  * It enhances ConVal to inclue a boolean for work-free-ness, so that the
    envt can contain non-work-free constructor applications, so that we
    can do more: see Note [ConVal work-free-ness]
  
  * It rejigs `subsumePats` so that it doesn't reverse the list.  This can
    make a difference because, when patterns overlap, we arbitrarily pick
    the first.  There is no "right" way, but this retains the old
    pre-subsumePats behaviour, thereby "fixing" the regression in #24282.
  
  Nofib results
  
     +========================================
     |                 spectral/ansi  -21.14%
     | spectral/hartel/comp_lab_zift   -0.12%
     |       spectral/hartel/parstof   +0.09%
     |           spectral/last-piece   -2.32%
     |           spectral/multiplier   +6.03%
     |                 spectral/para   +0.60%
     |               spectral/simple   -0.26%
     +========================================
     |                     geom mean   -0.18%
     +----------------------------------------
  
  The regression in `multiplier` is sad, but it simply replicates GHC's
  previous behaviour (e.g. GHC 9.6).
  

• 65da79b3
  by Matthew Pickering at 2024-01-16T15:41:54-05:00

  hadrian: Reduce Cabal verbosity
  
  The comment claims that `simpleUserHooks` decrease verbosity, and it
  does, but only for the `postConf` phase. The other phases are too
  verbose with `-V`.
  
  At the moment > 5000 lines of the build log are devoted to output from
  `cabal copy`.
  
  So I take the simple approach and just decrease the verbosity level
  again.
  
  If the output of `postConf` is essential then it would be better to
  implement our own `UserHooks` which doesn't decrease the verbosity for
  `postConf`.
  
  Fixes #24338
  

• 16414d7d
  by Matthew Pickering at 2024-01-17T10:54:59-05:00

  Stop retaining old ModGuts throughout subsequent simplifier phases
  
  Each phase of the simplifier typically rewrites the majority of ModGuts,
  so we want to be able to release the old ModGuts as soon as possible.
  
  `name_ppr_ctxt` lives throught the whole optimiser phase and it was
  retaining a reference to `ModGuts`, so we were failing to release the
  old `ModGuts` until the end of the phase (potentially doubling peak
  memory usage for that particular phase).
  
  This was discovered using eras profiling (#24332)
  
  Fixes #24328
  

• 7f0879e1
  by Matthew Pickering at 2024-01-17T10:55:35-05:00

  Update nofib submodule
  

• 320454d3
  by Cheng Shao at 2024-01-17T23:02:40+00:00

  ci: bump ci-images for updated wasm image
  

• 2eca52b4
  by Cheng Shao at 2024-01-17T23:06:44+00:00

  base: treat all FDs as "nonblocking" on wasm
  
  On posix platforms, when performing read/write on FDs, we check the
  nonblocking flag first. For FDs without this flag (e.g. stdout), we
  call fdReady() first, which in turn calls poll() to wait for I/O to be
  available on that FD. This is problematic for wasm32-wasi: although
  select()/poll() is supported via the poll_oneoff() wasi syscall, that
  syscall is rather heavyweight and runtime behavior differs in
  different wasi implementations. The issue is even worse when targeting
  browsers, given there's no satisfactory way to implement async I/O as
  a synchronous syscall, so existing JS polyfills for wasi often give up
  and simply return ENOSYS.
  
  Before we have a proper I/O manager that avoids poll_oneoff() for
  async I/O on wasm, this patch improves the status quo a lot by merely
  pretending all FDs are "nonblocking". Read/write on FDs will directly
  invoke read()/write(), which are much more reliably handled in
  existing wasi implementations, especially those in browsers.
  
  Fixes #23275 and the following test cases: T7773 isEOF001 openFile009
  T4808 cgrun025
  
  Approved by CLC proposal #234:
  https://github.com/haskell/core-libraries-committee/issues/234
  

• 83c6c710
  by Andrew Lelechenko at 2024-01-18T05:21:49-05:00

  base: clarify how to disable warnings about partiality of Data.List.{head,tail}
  

• c4078f2f
  by Simon Peyton Jones at 2024-01-18T05:22:25-05:00

  Fix four bug in handling of (forall cv. body_ty)
  
  These bugs are all described in #24335
  
  It's not easy to provoke the bug, hence no test case.
  

• 119586ea
  by Alexis King at 2024-01-19T00:08:00-05:00

  Always refresh profiling CCSes after running pending initializers
  
  Fixes #24171.
  

• 9718d970
  by Oleg Grenrus at 2024-01-19T00:08:36-05:00

  Set default-language: GHC2021 in ghc library
  
  Go through compiler/ sources, and remove
  all BangPatterns (and other GHC2021 enabled extensions in these files).
  

• 3ef71669
  by Matthew Pickering at 2024-01-19T21:55:16-05:00

  testsuite: Remove unused have_library function
  
  Also remove the hence unused testsuite option `--test-package-db`.
  
  Fixes #24342
  

• 5b7fa20c
  by Jade at 2024-01-19T21:55:53-05:00

  Fix Spelling in the compiler
  
  Tracking: #16591
  

• 09875f48
  by Matthew Pickering at 2024-01-20T12:20:44-05:00

  testsuite: Implement `isInTreeCompiler` in a more robust way
  
  Just a small refactoring to avoid redundantly specifying the same
  strings in two different places.
  

• 0d12b987
  by Jade at 2024-01-20T12:21:20-05:00

  Change maintainer email from cvs-ghc@haskell.org to ghc-devs@haskell.org. Fixes #22142
  

• eebdd316
  by Apoorv Ingle at 2024-01-23T13:49:12+00:00

  Changes for haskell/haddock#18324
  

• 1fa1c00c
  by Jade at 2024-01-23T19:17:03-05:00

  Enhance Documentation of functions exported by Data.Function
  
  This patch aims to improve the documentation of functions exported
  in Data.Function
  
  Tracking: #17929
  Fixes: #10065
  

• ab47a43d
  by Jade at 2024-01-23T19:17:39-05:00

  Improve documentation of hGetLine.
  
  - Add explanation for whether a newline is returned
  - Add examples
  
  Fixes #14804
  

• dd4af0e5
  by Cheng Shao at 2024-01-23T19:18:17-05:00

  Fix genapply for cross-compilation by nuking fragile CPP logic
  
  This commit fixes incorrectly built genapply when cross compiling
  (#24347) by nuking all fragile CPP logic in it from the orbit. All
  target-specific info are now read from DerivedConstants.h at runtime,
  see added note for details. Also removes a legacy Makefile and adds
  haskell language server support for genapply.
  

• 0cda2b8b
  by Cheng Shao at 2024-01-23T19:18:17-05:00

  rts: enable wasm32 register mapping
  
  The wasm backend didn't properly make use of all Cmm global registers
  due to #24347. Now that it is fixed, this patch re-enables full
  register mapping for wasm32, and we can now generate smaller & faster
  wasm modules that doesn't always spill arguments onto the stack. Fixes #22460 #24152.
  

• 0325a6e5
  by Greg Steuck at 2024-01-24T01:29:44-05:00

  Avoid utf8 in primops.txt.pp comments
  
  They don't make it through readFile' without explicitly setting the
  encoding. See https://gitlab.haskell.org/ghc/ghc/-/issues/17755
  

• 1aaf0bd8
  by David Binder at 2024-01-24T01:30:20-05:00

  Bump hpc and hpc-bin submodule
  
  Bump hpc to 0.7.0.1
  Bump hpc-bin to commit d1780eb2
  

• e693a4e8
  by Ben Gamari at 2024-01-24T01:30:56-05:00

  testsuite: Ignore stderr in T8089
  
  Otherwise spurious "Killed: 9" messages to stderr may cause the test to fail.
  Fixes #24361.

• a40f4ab2
  by sheaf at 2024-01-24T14:04:33-05:00

  Fix FMA instruction on LLVM
  
  We were emitting the wrong instructions for fused multiply-add
  operations on LLVM:
  
    - the instruction name is "llvm.fma.f32" or "llvm.fma.f64", not "fmadd"
    - LLVM does not support other instructions such as "fmsub"; instead
      we implement these by flipping signs of some arguments
    - the instruction is an LLVM intrinsic, which requires handling it
      like a normal function call instead of a machine instruction
  
  Fixes #24223
  

• 69abc786
  by Andrei Borzenkov at 2024-01-24T14:05:09-05:00

  Add changelog entry for renaming tuples from (,,...,,) to Tuple<n> (24291)
  

• 0ac8f385
  by Cheng Shao at 2024-01-25T00:27:48-05:00

  compiler: remove unused GHC.Linker module
  
  The GHC.Linker module is empty and unused, other than as a hack for
  the make build system. We can remove it now that make is long gone;
  the note is moved to GHC.Linker.Loader instead.
  

• 699da01b
  by Hécate Moonlight at 2024-01-25T00:28:27-05:00

  Clarification for newtype constructors when using `coerce`
  

• b2d8cd85
  by Matt Walker at 2024-01-26T09:50:08-05:00

  Fix #24308
  
  Add tests for semicolon separated where clauses
  

• 0da490a1
  by Ben Gamari at 2024-01-26T17:34:41-05:00

  hsc2hs: Bump submodule
  

• 3f442fd2
  by Ben Gamari at 2024-01-26T17:34:41-05:00

  Bump containers submodule to 0.7
  

• 82a1c656
  by Sebastian Nagel at 2024-01-29T02:32:40-05:00

  base: with{Binary}File{Blocking} only annotates own exceptions
  
  Fixes #20886
  
  This ensures that inner, unrelated exceptions are not misleadingly
  annotated with the opened file.
  

• 9294a086
  by Andreas Klebinger at 2024-01-29T02:33:15-05:00

  Fix fma warning when using llvm on aarch64.
  
  On aarch64 fma is always on so the +fma flag doesn't exist for that
  target. Hence no need to try and pass +fma to llvm.
  
  Fixes #24379
  

• ced2e731
  by sheaf at 2024-01-29T17:27:12-05:00

  No shadowing warnings for NoFieldSelector fields
  
  This commit ensures we don't emit shadowing warnings when a user
  shadows a field defined with NoFieldSelectors.
  
  Fixes #24381
  

• 8eeadfad
  by Patrick at 2024-01-29T17:27:51-05:00

  Fix bug wrong span of nested_doc_comment #24378
  
  close #24378
  1. Update the start position of span in `nested_doc_comment` correctly.
  and hence the spans of identifiers of haddoc can be computed correctly.
  2. add test `HaddockSpanIssueT24378`.
  

• a557580f
  by Alexey Radkov at 2024-01-30T19:41:52-05:00

  Fix irrelevant dodgy-foreign-imports warning on import f-pointers by value
  
  A test *сс018* is attached (not sure about the naming convention though).
  Note that without the fix, the test fails with the *dodgy-foreign-imports*
  warning passed to stderr. The warning disappears after the fix.
  
  GHC shouldn't warn on imports of natural function pointers from C by value
  (which is feasible with CApiFFI), such as
  
  ```haskell
  foreign import capi "cc018.h value f" f :: FunPtr (Int -> IO ())
  ```
  
  where
  
  ```c
  void (*f)(int);
  ```
  
  See a related real-world use-case
  [here](https://gitlab.com/daniel-casanueva/pcre-light/-/merge_requests/17).
  There, GHC warns on import of C function pointer `pcre_free`.
  

• ca99efaf
  by Alexey Radkov at 2024-01-30T19:41:53-05:00

  Rename test cc018 -> T24034
  

• 88c38dd5
  by Ben Gamari at 2024-01-30T19:42:28-05:00

  rts/TraverseHeap.c: Ensure that PosixSource.h is included first

• ca2e919e
  by Simon Peyton Jones at 2024-01-31T09:29:45+00:00

  Make decomposeRuleLhs a bit more clever
  
  This fixes #24370 by making decomposeRuleLhs undertand
  dictionary /functions/ as well as plain /dictionaries/
  

• 94ce031d
  by Teo Camarasu at 2024-02-01T05:49:49-05:00

  doc: Add -Dn flag to user guide
  
  Resolves #24394

• 31553b11
  by Ben Gamari at 2024-02-01T12:21:29-05:00

  cmm: Introduce MO_RelaxedRead
  
  In hand-written Cmm it can sometimes be necessary to atomically load
  from memory deep within an expression (e.g. see the `CHECK_GC` macro).
  This MachOp provides a convenient way to do so without breaking the
  expression into multiple statements.
  

• 0785cf81
  by Ben Gamari at 2024-02-01T12:21:29-05:00

  codeGen: Use relaxed accesses in ticky bumping
  

• be423dda
  by Ben Gamari at 2024-02-01T12:21:29-05:00

  base: use atomic write when updating timer manager
  

• 8a310e35
  by Ben Gamari at 2024-02-01T12:21:29-05:00

  Use relaxed atomics to manipulate TSO status fields
  

• d6809ee4
  by Ben Gamari at 2024-02-01T12:21:29-05:00

  rts: Add necessary barriers when manipulating TSO owner
  

• 39e3ac5d
  by Ben Gamari at 2024-02-01T12:21:29-05:00

  rts: Use `switch` to branch on why_blocked
  
  This is a semantics-preserving refactoring.
  

• 515eb33d
  by Ben Gamari at 2024-02-01T12:21:29-05:00

  rts: Fix synchronization on thread blocking state
  
  We now use a release barrier whenever we update a thread's blocking
  state. This required widening StgTSO.why_blocked as AArch64 does not
  support atomic writes on 16-bit values.
  

• eb38812e
  by Ben Gamari at 2024-02-01T12:21:29-05:00

  rts: Fix data race in threadPaused
  
  This only affects an assertion in the debug RTS and only needs relaxed
  ordering.
  

• 26c48dd6
  by Ben Gamari at 2024-02-01T12:21:29-05:00

  rts: Fix data race in threadStatus#
  

• 6af43ab4
  by Ben Gamari at 2024-02-01T12:21:29-05:00

  rts: Fix data race in Interpreter's preemption check
  

• 9502ad3c
  by Ben Gamari at 2024-02-01T12:21:29-05:00

  rts/Messages: Fix data race
  

• 60802db5
  by Ben Gamari at 2024-02-01T12:21:30-05:00

  rts/Prof: Fix data race
  

• ef8ccef5
  by Ben Gamari at 2024-02-01T12:21:30-05:00

  rts: Use relaxed ordering on dirty/clean info tables updates
  
  When changing the dirty/clean state of a mutable object we needn't have
  any particular ordering.
  

• 76fe2b75
  by Ben Gamari at 2024-02-01T12:21:30-05:00

  codeGen: Use relaxed-read in closureInfoPtr
  

• a6316eb4
  by Ben Gamari at 2024-02-01T12:21:30-05:00

  STM: Use acquire loads when possible
  
  Full sequential consistency is not needed here.
  

• 6bddfd3d
  by Ben Gamari at 2024-02-01T12:21:30-05:00

  rts: Use fence rather than redundant load
  
  Previously we would use an atomic load to ensure acquire ordering.
  However, we now have `ACQUIRE_FENCE_ON`, which allows us to express this
  more directly.
  

• 55c65dbc
  by Ben Gamari at 2024-02-01T12:21:30-05:00

  rts: Fix data races in profiling timer
  

• 856b5e75
  by Ben Gamari at 2024-02-01T12:21:30-05:00

  Add Note [C11 memory model]
  

• 6534da24
  by Cheng Shao at 2024-02-01T12:22:07-05:00

  compiler: move generic cmm optimization logic in NCG to a standalone module
  
  This commit moves GHC.CmmToAsm.cmmToCmm to a standalone module,
  GHC.Cmm.GenericOpt. The main motivation is enabling this logic to be
  run in the wasm backend NCG code, which is defined in other modules
  that's imported by GHC.CmmToAsm, causing a cyclic dependency issue.
  

• 87e34888
  by Cheng Shao at 2024-02-01T12:22:07-05:00

  compiler: explicitly disable PIC in wasm32 NCG
  
  This commit explicitly disables the ncgPIC flag for the wasm32 target.
  The wasm backend doesn't support PIC for the time being.
  

• c6ce242e
  by Cheng Shao at 2024-02-01T12:22:07-05:00

  compiler: enable generic cmm optimizations in wasm backend NCG
  
  This commit enables the generic cmm optimizations in other NCGs to be
  run in the wasm backend as well, followed by a late cmm control-flow
  optimization pass. The added optimizations do catch some corner cases
  not handled by the pre-NCG cmm pipeline and are useful in generating
  smaller CFGs.
  

• 151dda4e
  by Andrei Borzenkov at 2024-02-01T12:22:43-05:00

  Namespacing for WARNING/DEPRECATED pragmas (#24396)
  
  New syntax for WARNING and DEPRECATED pragmas was added,
  namely namespace specifierss:
  
    namespace_spec ::= 'type' | 'data' | {- empty -}
  
    warning ::= warning_category namespace_spec namelist strings
  
    deprecation ::= namespace_spec namelist strings
  
  A new data type was introduced to represent these namespace specifiers:
  
    data NamespaceSpecifier =
      NoSpecifier |
      TypeNamespaceSpecifier (EpToken "type") |
      DataNamespaceSpecifier (EpToken "data")
  
  Extension field XWarning now contains this NamespaceSpecifier.
  
  lookupBindGroupOcc function was changed: it now takes NamespaceSpecifier
  and checks that the namespace of the found names matches the passed flag.
  With this change {-# WARNING data D "..." #-} pragma will only affect value
  namespace and {-# WARNING type D "..." #-} will only affect type
  namespace. The same logic is applicable to DEPRECATED pragmas.
  
  Finding duplicated warnings inside rnSrcWarnDecls now takes into
  consideration NamespaceSpecifier flag to allow warnings with the
  same names that refer to different namespaces.
  

• 38c3afb6
  by Bryan Richter at 2024-02-01T12:23:19-05:00

  CI: Disable the test-cabal-reinstall job
  
  Fixes #24363
  

• 27020458
  by Matthew Craven at 2024-02-03T01:53:26-05:00

  Bump bytestring submodule to something closer to 0.12.1
  
  ...mostly so that 16d6b7e835ffdcf9b894e79f933dd52348dedd0c
  (which reworks unaligned writes in Builder) and the stuff in
  https://github.com/haskell/bytestring/pull/631 can see wider testing.
  
  The less-terrible code for unaligned writes used in Builder on
  hosts not known to be ulaigned-friendly also takes less effort
  for GHC to compile, resulting in a metric decrease for T21839c
  on some platforms.
  
  The metric increase on T21839r is caused by the unrelated commit
  750dac33465e7b59100698a330b44de7049a345c.  It perhaps warrants
  further analysis and discussion (see #23822) but is not critical.
  
  Metric Decrease:
  T21839c
  Metric Increase:
  T21839r
  

• cdddeb0f
  by Rodrigo Mesquita at 2024-02-03T01:54:02-05:00

  Work around autotools setting C11 standard in CC/CXX
  
  In autoconf >=2.70, C11 is set by default for $CC and $CXX via the
  -std=...11 flag. In this patch, we split the "-std" flag out of the $CC
  and $CXX variables, which we traditionally assume to be just the
  executable name/path, and move it to $CFLAGS/$CXXFLAGS instead.
  
  Fixes #24324
  

• 5ff7cc26
  by Apoorv Ingle at 2024-02-03T13:14:46-06:00

  Expand `do` blocks right before typechecking using the `HsExpansion` philosophy.
  
  - Fixes #18324 #20020 #23147 #22788 #15598 #22086 #21206
  
  - The change is detailed in
    - Note [Expanding HsDo with HsExpansion] in `GHC.Tc.Gen.Do`
    - Note [Doing HsExpansion in the Renamer vs Typechecker] in `GHC.Rename.Expr`
           expains the rational of doing expansions in type checker as opposed to in the renamer
  
  - Adds new datatypes:
    - `GHC.Hs.Expr.XXExprGhcRn`: new datatype makes this expansion work easier
      1. Expansion bits for Expressions, Statements and Patterns in (`ExpandedThingRn`)
      2. `PopErrCtxt` a special GhcRn Phase only artifcat to pop the previous error message in the error context stack
  
    - `GHC.Basic.Origin` now tracks the reason for expansion in case of Generated
      This is useful for type checking cf. `GHC.Tc.Gen.Expr.tcExpr` case for `HsLam`
  
    - Kills `HsExpansion` and `HsExpanded` as we have inlined them in `XXExprGhcRn` and `XXExprGhcTc`
  
  - Ensures warnings such as
    1. Pattern match checks
    2. Failable patterns
    3. non-() return in body statements are preserved
  
  - Kill `HsMatchCtxt` in favor of `TcMatchAltChecker`
  
  - Testcases:
    * T18324 T20020 T23147 T22788 T15598 T22086
    * T23147b (error message check),
    * DoubleMatch (match inside a match for pmc check)
    * pattern-fails (check pattern match with non-refutable pattern, eg. newtype)
    * Simple-rec (rec statements inside do statment)
    * T22788 (code snippet from #22788)
    * DoExpanion1 (Error messages for body statments)
    * DoExpansion2 (Error messages for bind statements)
    * DoExpansion3 (Error messages for let statements)
  
  Also repoint haddock to the right submodule so that the test (haddockHypsrcTest) pass
  
  Metric Increase 'compile_time/bytes allocated':
      T9020
  
  The testcase is a pathalogical example of a `do`-block with many statements that do nothing.
  Given that we are expanding the statements into function binds, we will have to bear
  a (small) 2% cost upfront in the compiler to unroll the statements.
  

• 0df8ce27
  by Vladislav Zavialov at 2024-02-04T03:55:14-05:00

  Reduce parser allocations in allocateCommentsP
  
  In the most common case, the comment queue is empty, so we can skip the
  work of processing it. This reduces allocations by about 10% in the
  parsing001 test.
  
  Metric Decrease:
      MultiLayerModulesRecomp
      parsing001
  

• ae856a82
  by Matthew Pickering at 2024-02-05T12:22:39+00:00

  ghc-internals fallout
  

• cfd68290
  by Simon Peyton Jones at 2024-02-05T17:58:33-05:00

  Stop dropping a case whose binder is demanded
  
  This MR fixes #24251.
  
  See Note [Case-to-let for strictly-used binders]
  in GHC.Core.Opt.Simplify.Iteration, plus #24251, for
  lots of discussion.
  
  Final Nofib changes over 0.1%:
  +-----------------------------------------
  |        imaginary/digits-of-e2    -2.16%
  |                imaginary/rfib    -0.15%
  |                    real/fluid    -0.10%
  |                   real/gamteb    -1.47%
  |                       real/gg    -0.20%
  |                 real/maillist    +0.19%
  |                      real/pic    -0.23%
  |                      real/scs    -0.43%
  |               shootout/n-body    -0.41%
  |        shootout/spectral-norm    -0.12%
  +========================================
  |                     geom mean    -0.05%
  
  Pleasingly, overall executable size is down by just over 1%.
  
  Compile times (in perf/compiler) wobble around a bit +/- 0.5%, but the
  geometric mean is -0.1% which seems good.
  

• e4d137bb
  by Simon Peyton Jones at 2024-02-05T17:58:33-05:00

  Add Note [Bangs in Integer functions]
  
  ...to document the bangs in the functions in GHC.Num.Integer
  

• ce90f12f
  by Andrei Borzenkov at 2024-02-05T17:59:09-05:00

  Hide WARNING/DEPRECATED namespacing under -XExplicitNamespaces (#24396)
  

• e2ea933f
  by Simon Peyton Jones at 2024-02-06T10:12:04-05:00

  Refactoring in preparation for lazy skolemisation
  
  * Make HsMatchContext and HsStmtContext be parameterised over the
    function name itself, rather than over the pass.
    See [mc_fun field of FunRhs] in Language.Haskell.Syntax.Expr
      - Replace types
          HsMatchContext GhcPs --> HsMatchContextPs
          HsMatchContext GhcRn --> HsMatchContextRn
          HsMatchContext GhcTc --> HsMatchContextRn  (sic! not Tc)
          HsStmtContext  GhcRn --> HsStmtContextRn
      - Kill off convertHsMatchCtxt
  
  * Split GHC.Tc.Type.BasicTypes.TcSigInfo so that TcCompleteSig (describing
    a complete user-supplied signature) is its own data type.
      - Split TcIdSigInfo(CompleteSig, PartialSig) into
          TcCompleteSig(CSig)
          TcPartialSig(PSig)
      - Use TcCompleteSig in tcPolyCheck, CheckGen
      - Rename types and data constructors:
          TcIdSigInfo         --> TcIdSig
          TcPatSynInfo(TPSI)  --> TcPatSynSig(PatSig)
      - Shuffle around helper functions:
          tcSigInfoName           (moved to GHC.Tc.Types.BasicTypes)
          completeSigPolyId_maybe (moved to GHC.Tc.Types.BasicTypes)
          tcIdSigName             (inlined and removed)
          tcIdSigLoc              (introduced)
      - Rearrange the pattern match in chooseInferredQuantifiers
  
  * Rename functions and types:
      tcMatchesCase         --> tcCaseMatches
      tcMatchesFun          --> tcFunBindMatches
      tcMatchLambda         --> tcLambdaMatches
      tcPats                --> tcMatchPats
      matchActualFunTysRho  --> matchActualFunTys
      matchActualFunTySigma --> matchActualFunTy
  
  * Add HasDebugCallStack constraints to:
      mkBigCoreVarTupTy, mkBigCoreTupTy, boxTy,
      mkPiTy, mkPiTys, splitAppTys, splitTyConAppNoView_maybe
  
  * Use `penv` from the outer context in the inner loop of
    GHC.Tc.Gen.Pat.tcMultiple
  
  * Move tcMkVisFunTy, tcMkInvisFunTy, tcMkScaledFunTys down the file,
    factor out and export tcMkScaledFunTy.
  
  * Move isPatSigCtxt down the file.
  
  * Formatting and comments
  
  Co-authored-by: Vladislav Zavialov <vlad.z.4096@gmail.com>
  

• f5d3e03c
  by Andrei Borzenkov at 2024-02-06T10:12:04-05:00

  Lazy skolemisation for @a-binders (#17594)
  
  This patch is a preparation for @a-binders implementation.  The main changes are:
  
  * Skolemisation is now prepared to deal with @binders.
    See Note [Skolemisation overview] in GHC.Tc.Utils.Unify.
    Most of the action is in
      - Utils.Unify.matchExpectedFunTys
      - Gen.Pat.tcMatchPats
      - Gen.Expr.tcPolyExprCheck
      - Gen.Binds.tcPolyCheck
  
  Some accompanying refactoring:
  
  * I found that funTyConAppTy_maybe was doing a lot of allocation, and
    rejigged userTypeError_maybe to avoid calling it.
  

• 532993c8
  by Zubin Duggal at 2024-02-06T10:12:41-05:00

  driver: Really don't lose track of nodes when we fail to resolve cycles
  
  This fixes a bug in 8db8d2fd1c881032b1b360c032b6d9d072c11723, where we could lose
  track of acyclic components at the start of an unresolved cycle. We now ensure we
  never loose track of any of these components.
  
  As T24275 demonstrates, a "cyclic" SCC might not really be a true SCC:
  
  When viewed without boot files, we have a single SCC
  
  ```
  [REC main:T24275B [main:T24275B {-# SOURCE #-},
                     main:T24275A {-# SOURCE #-}]
       main:T24275A [main:T24275A {-# SOURCE #-}]]
  ```
  
  But with boot files this turns into
  
  ```
  [NONREC main:T24275B {-# SOURCE #-} [],
   REC main:T24275B [main:T24275B {-# SOURCE #-},
                     main:T24275A {-# SOURCE #-}]
      main:T24275A {-# SOURCE #-} [main:T24275B],
   NONREC main:T24275A [main:T24275A {-# SOURCE #-}]]
  ```
  
  Note that this is truly not an SCC, as no nodes are reachable from T24275B.hs-boot.
  However, we treat this entire group as a single "SCC" because it seems so when we
  analyse the graph without taking boot files into account.
  
  Indeed, we must return a single ResolvedCycle element in the BuildPlan for this
  as described in Note [Upsweep].
  
  However, since after resolving this is not a true SCC anymore, `findCycle` fails
  to find a cycle and we have a sub-optimal error message as a result.
  
  To handle this, I extended `findCycle` to not assume its input is an SCC, and to
  try harder to find cycles in its input.
  
  Fixes #24275
  

• b35dd613
  by Zubin Duggal at 2024-02-06T10:13:17-05:00

  GHCi: Lookup breakpoint CCs in the correct module
  
  We need to look up breakpoint CCs in the module that the breakpoint
  points to, and not the current module.
  
  Fixes #24327
  

• b09e6958
  by Zubin Duggal at 2024-02-06T10:13:17-05:00

  testsuite: Add test for #24327
  

• 569b4c10
  by doyougnu at 2024-02-07T03:06:26-05:00

  ts: add compile_artifact, ignore_extension flag
  
  In b521354216f2821e00d75f088d74081d8b236810 the testsuite gained the
  capability to collect generic metrics. But this assumed that the test
  was not linking and producing artifacts and we only wanted to track
  object files, interface files, or build artifacts from the compiler
  build. However, some backends, such as the JS backend, produce artifacts when
  compiling, such as the jsexe directory which we want to track.
  
  This patch:
  
  - tweaks the testsuite to collect generic metrics on any build artifact
  in the test directory.
  
  - expands the exe_extension function to consider windows and adds the
  ignore_extension flag.
  
  - Modifies certain tests to add the ignore_extension flag. Tests such as
  heaprof002 expect a .ps file, but on windows without ignore_extensions
  the testsuite will look for foo.exe.ps. Hence the flag.
  
  - adds the size_hello_artifact test
  

• 75a31379
  by doyougnu at 2024-02-07T03:06:26-05:00

  ts: add wasm_arch, heapprof002 wasm extension
  

• c9731d6d
  by Rodrigo Mesquita at 2024-02-07T03:07:03-05:00

  Synchronize bindist configure for #24324
  
  In cdddeb0f1280b40cc194028bbaef36e127175c4c, we set up a
  workaround for #24324 in the in-tree configure script, but forgot to
  update the bindist configure script accordingly. This updates it.
  

• d309f4e7
  by Matthew Pickering at 2024-02-07T03:07:38-05:00

  distrib/configure: Fix typo in CONF_GCC_LINKER_OPTS_STAGE2 variable
  
  Instead we were setting CONF_GCC_LINK_OPTS_STAGE2 which meant that we
  were missing passing `--target` when invoking the linker.
  
  Fixes #24414
  

• 77db84ab
  by Ben Gamari at 2024-02-08T00:35:22-05:00

  llvmGen: Adapt to allow use of new pass manager.
  
  We now must use `-passes` in place of `-O<n>` due to #21936.
  
  Closes #21936.
  

• 3c9ddf97
  by Matthew Pickering at 2024-02-08T00:35:59-05:00

  testsuite: Mark length001 as fragile on javascript
  
  Modifying the timeout multiplier is not a robust way to get this test to
  reliably fail. Therefore we mark it as fragile until/if javascript ever
  supports the stack limit.
  

• 20b702b5
  by Matthew Pickering at 2024-02-08T00:35:59-05:00

  Javascript: Don't filter out rtsDeps list
  
  This logic appears to be incorrect as it would drop any dependency which
  was not in a direct dependency of the package being linked.
  
  In the ghc-internals split this started to cause errors because
  `ghc-internal` is not a direct dependency of most packages, and hence
  important symbols to keep which are hard coded into the js runtime were
  getting dropped.
  

• 2df96366
  by Ben Gamari at 2024-02-08T00:35:59-05:00

  base: Cleanup whitespace in cbits
  

• 44f6557a
  by Ben Gamari at 2024-02-08T00:35:59-05:00

  Move `base` to `ghc-internal`
  
  Here we move a good deal of the implementation of `base` into a new
  package, `ghc-internal` such that it can be evolved independently
  from the user-visible interfaces of `base`.
  
  While we want to isolate implementation from interfaces, naturally, we
  would like to avoid turning `base` into a mere set of module re-exports.
  However, this is a non-trivial undertaking for a variety of reasons:
  
   * `base` contains numerous known-key and wired-in things, requiring
     corresponding changes in the compiler
  
   * `base` contains a significant amount of C code and corresponding
     autoconf logic, which is very fragile and difficult to break apart
  
   * `base` has numerous import cycles, which are currently dealt with via
     carefully balanced `hs-boot` files
  
   * We must not break existing users
  
  To accomplish this migration, I tried the following approaches:
  
  * [Split-GHC.Base]: Break apart the GHC.Base knot to allow incremental
    migration of modules into ghc-internal: this knot is simply too
    intertwined to be easily pulled apart, especially given the rather
    tricky import cycles that it contains)
  
  * [Move-Core]: Moving the "core" connected component of base (roughly
    150 modules) into ghc-internal. While the Haskell side of this seems
    tractable, the C dependencies are very subtle to break apart.
  
  * [Move-Incrementally]:
  
    1. Move all of base into ghc-internal
    2. Examine the module structure and begin moving obvious modules (e.g.
       leaves of the import graph) back into base
    3. Examine the modules remaining in ghc-internal, refactor as necessary
       to facilitate further moves
    4. Go to (2) iterate until the cost/benefit of further moves is
       insufficient to justify continuing
    5. Rename the modules moved into ghc-internal to ensure that they don't
       overlap with those in base
    6. For each module moved into ghc-internal, add a shim module to base
       with the declarations which should be exposed and any requisite
       Haddocks (thus guaranteeing that base will be insulated from changes
       in the export lists of modules in ghc-internal
  
  Here I am using the [Move-Incrementally] approach, which is empirically
  the least painful of the unpleasant options above
  
  Bumps haddock submodule.
  
  Metric Decrease:
      haddock.Cabal
      haddock.base
  Metric Increase:
      MultiComponentModulesRecomp
      T16875
      size_hello_artifact
  

• e8fb2451
  by Vladislav Zavialov at 2024-02-08T00:36:36-05:00

  Haddock comments on infix constructors (#24221)
  
  Rewrite the `HasHaddock` instance for `ConDecl GhcPs` to account for
  infix constructors.
  
  This change fixes a Haddock regression (introduced in 19e80b9af252)
  that affected leading comments on infix data constructor declarations:
  
  	-- | Docs for infix constructor
  	| Int :* Bool
  
  The comment should be associated with the data constructor (:*), not
  with its left-hand side Int.
  

• 9060d55b
  by Ben Gamari at 2024-02-08T00:37:13-05:00

  Add os-string as a boot package
  
  Introduces `os-string` submodule. This will be necessary for
  `filepath-1.5`.
  

• 9d65235a
  by Ben Gamari at 2024-02-08T00:37:13-05:00

  gitignore: Ignore .hadrian_ghci_multi/
  

• d7ee12ea
  by Ben Gamari at 2024-02-08T00:37:13-05:00

  hadrian: Set -this-package-name
  
  When constructing the GHC flags for a package Hadrian must take care to
  set `-this-package-name` in addition to `-this-unit-id`. This hasn't
  broken until now as we have not had any uses of qualified package
  imports. However, this will change with `filepath-1.5` and the
  corresponding `unix` bump, breaking `hadrian/multi-ghci`.
  

• f2dffd2e
  by Ben Gamari at 2024-02-08T00:37:13-05:00

  Bump filepath to 1.5.0.0
  
  Required bumps of the following submodules:
  
   * `directory`
   * `filepath`
   * `haskeline`
   * `process`
   * `unix`
   * `hsc2hs`
   * `Win32`
   * `semaphore-compat`
  
  and the addition of `os-string` as a boot package.
  

• ab533e71
  by Matthew Pickering at 2024-02-08T00:37:50-05:00

  Use specific clang assembler when compiling with -fllvm
  
  There are situations where LLVM will produce assembly which older gcc
  toolchains can't handle. For example on Deb10, it seems that LLVM >= 13
  produces assembly which the default gcc doesn't support.
  
  A more robust solution in the long term is to require a specific LLVM
  compatible assembler when using -fllvm.
  
  Fixes #16354
  

• c32b6426
  by Matthew Pickering at 2024-02-08T00:37:50-05:00

  Update CI images with LLVM 15, ghc-9.6.4 and cabal-install-3.10.2.0
  

• 5fcd58be
  by Matthew Pickering at 2024-02-08T00:37:50-05:00

  Update bootstrap plans for 9.4.8 and 9.6.4
  

• 707a32f5
  by Matthew Pickering at 2024-02-08T00:37:50-05:00

  Add alpine 3_18 release job
  
  This is mainly experimental and future proofing to enable a smooth
  transition to newer alpine releases once 3_12 is too old.
  

• c37931b3
  by John Ericson at 2024-02-08T06:39:05-05:00

  Generate LLVM min/max bound policy via Hadrian
  
  Per #23966, I want the top-level configure to only generate
  configuration data for Hadrian, not do any "real" tasks on its own.
  This is part of that effort --- one less file generated by it.
  
  (It is still done with a `.in` file, so in a future world non-Hadrian
  also can easily create this file.)
  
  Split modules:
  
  - GHC.CmmToLlvm.Config
  - GHC.CmmToLlvm.Version
  - GHC.CmmToLlvm.Version.Bounds
  - GHC.CmmToLlvm.Version.Type
  
  This also means we can get rid of the silly `unused.h` introduced in
  !6803 / 7dfcab2f4bcb7206174ea48857df1883d05e97a2 as temporary kludge.
  
  Part of #23966
  

• 9f987235
  by Apoorv Ingle at 2024-02-08T06:39:42-05:00

  Enable mdo statements to use HsExpansions
  Fixes: #24411
  Added test T24411 for regression
  

• f8429266
  by Jade at 2024-02-08T14:56:50+01:00

  Adjust test for ghc MR !10993
  

• 762b2120
  by Jade at 2024-02-08T15:17:15+00:00

  Improve Monad, Functor & Applicative docs
  
  This patch aims to improve the documentation of Functor, Applicative,
  Monad and related symbols. The main goal is to make it more consistent
  and make accessible. See also: !10979 (closed) and !10985 (closed)
  
  Ticket #17929
  
  Updates haddock submodule
  

• 151770ca
  by Josh Meredith at 2024-02-10T14:28:15-05:00

  JavaScript codegen: Use GHC's tag inference where JS backend-specific evaluation inference was previously used (#24309)
  

• 2e880635
  by Zubin Duggal at 2024-02-10T14:28:51-05:00

  ci: Allow release-hackage-lint to fail
  
  Otherwise it blocks the ghcup metadata pipeline from running.
  

• b0293f78
  by Matthew Pickering at 2024-02-10T14:29:28-05:00

  rts: eras profiling mode
  
  The eras profiling mode is useful for tracking the life-time of
  closures. When a closure is written, the current era is recorded in the
  profiling header. This records the era in which the closure was created.
  
  * Enable with -he
  * User mode: Use functions ghc-experimental module GHC.Profiling.Eras to modify the era
  * Automatically: --automatic-era-increment, increases the user era on major
    collections
  * The first era is era 1
  * -he<era> can be used with other profiling modes to select a specific
    era
  
  If you just want to record the era but not to perform heap profiling you
  can use `-he --no-automatic-heap-samples`.
  
  https://well-typed.com/blog/2024/01/ghc-eras-profiling/
  
  Fixes #24332
  

• be674a2c
  by Jade at 2024-02-10T14:30:04-05:00

  Adjust error message for trailing whitespace in as-pattern.
  
  Fixes #22524
  

• 53ef83f9
  by doyougnu at 2024-02-10T14:30:47-05:00

  gitlab: js: add codeowners
  
  Fixes:
  - #24409
  
  Follow on from:
  - #21078 and MR !9133
  - When we added the JS backend this was forgotten. This patch adds the
  rightful codeowners.
  

• 8bbe12f2
  by Matthew Pickering at 2024-02-10T14:31:23-05:00

  Bump CI images so that alpine3_18 image includes clang15
  
  The only changes here are that clang15 is now installed on the
  alpine-3_18 image.
  

• df9fd9f7
  by Sylvain Henry at 2024-02-12T12:18:42-05:00

  JS: handle stored null StablePtr
  
  Some Haskell codes unsafely cast StablePtr into ptr to compare against
  NULL. E.g. in direct-sqlite:
  
    if castStablePtrToPtr aggStPtr /= nullPtr then
  
  where `aggStPtr` is read (`peek`) from zeroed memory initially.
  
  We fix this by giving these StablePtr the same representation as other
  null pointers. It's safe because StablePtr at offset 0 is unused (for
  this exact reason).
  

• 55346ede
  by Sylvain Henry at 2024-02-12T12:18:42-05:00

  JS: disable MergeObjsMode test
  
  This isn't implemented for JS backend objects.
  

• aef587f6
  by Sylvain Henry at 2024-02-12T12:18:42-05:00

  JS: add support for linking C sources
  
  Support linking C sources with JS output of the JavaScript backend.
  See the added documentation in the users guide.
  
  The implementation simply extends the JS linker to use the objects (.o)
  that were already produced by the emcc compiler and which were filtered
  out previously. I've also added some options to control the link with C
  functions (see the documentation about pragmas).
  
  With this change I've successfully compiled the direct-sqlite package
  which embeds the sqlite.c database code. Some wrappers are still
  required (see the documentation about wrappers) but everything generic
  enough to be reused for other libraries have been integrated into
  rts/js/mem.js.
  

• b71b392f
  by Sylvain Henry at 2024-02-12T12:18:42-05:00

  JS: avoid EMCC logging spurious failure
  
  emcc would sometime output messages like:
  
    cache:INFO: generating system asset: symbol_lists/424b44514e43d789148e69e4e7d1c7fdc0350b79.json... (this will be cached in "/emsdk/upstream/emscripten/cache/symbol_lists/424b44514e43d789148e69e4e7d1c7fdc0350b79.json" for subsequent builds)
    cache:INFO:  - ok
  
  Cf https://github.com/emscripten-core/emscripten/issues/18607
  
  This breaks our tests matching the stderr output. We avoid this by setting EMCC_LOGGING=0
  

• ff2c0cc9
  by Simon Peyton Jones at 2024-02-12T12:19:17-05:00

  Remove a dead comment
  
  Just remove an out of date block of commented-out code, and tidy up
  the relevant Notes.  See #8317.
  

• bedb4f0d
  by Teo Camarasu at 2024-02-12T18:50:33-05:00

  nonmoving: Add support for heap profiling
  
  Add support for heap profiling while using the nonmoving collector.
  
  We greatly simply the implementation by disabling concurrent collection for
  GCs when heap profiling is enabled. This entails that the marked objects on
  the nonmoving heap are exactly the live objects.
  
  Note that we match the behaviour for live bytes accounting by taking the size
  of objects on the nonmoving heap to be that of the segment's block
  rather than the object itself.
  
  Resolves #22221
  

• d0d5acb5
  by Teo Camarasu at 2024-02-12T18:51:09-05:00

  doc: Add requires prof annotation to options that require it
  
  Resolves #24421
  

• 6d1e2386
  by Alan Zimmerman at 2024-02-13T22:00:28+03:00

  EPA: Match changes to HsParTy and HsFunTy
  

• 57bb8c92
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  deriveConstants: add needed constants for wasm backend
  
  This commit adds needed constants to deriveConstants. They are used by
  RTS code in the wasm backend to support the JSFFI logic.
  

• 615eb855
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  compiler: make genSym use C-based atomic increment on non-JS 32-bit platforms
  
  The pure Haskell implementation causes i386 regression in unrelated
  work that can be fixed by using C-based atomic increment, see added
  comment for details.
  

• a9918891
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  compiler: allow JSFFI for wasm32
  
  This commit allows the javascript calling convention to be used when
  the target platform is wasm32.
  

• 8771a53b
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  compiler: allow boxed JSVal as a foreign type
  
  This commit allows the boxed JSVal type to be used as a foreign
  argument/result type.
  

• 053c92b3
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  compiler: ensure ctors have the right priority on wasm32
  
  This commit fixes the priorities of ctors generated by GHC codegen on
  wasm32, see the referred note for details.
  

• b7942e0a
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  compiler: add JSFFI desugar logic for wasm32
  
  This commit adds JSFFI desugar logic for the wasm backend.
  

• 2c1dca76
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  compiler: add JavaScriptFFI to supported extension list on wasm32
  
  This commit adds JavaScriptFFI as a supported extension when the
  target platform is wasm32.
  

• 9ad0e2b4
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  rts/ghc-internal: add JSFFI support logic for wasm32
  
  This commit adds rts/ghc-internal logic to support the wasm backend's
  JSFFI functionality.
  

• e9ebea66
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  ghc-internal: fix threadDelay for wasm in browsers
  
  This commit fixes broken threadDelay for wasm when it runs in
  browsers, see added note for detailed explanation.
  

• f85f3fdb
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  utils: add JSFFI utility code
  
  This commit adds JavaScript util code to utils to support the wasm
  backend's JSFFI functionality:
  
  - jsffi/post-link.mjs, a post-linker to process the linked wasm module
    and emit a small complement JavaScript ESM module to be used with it
    at runtime
  - jsffi/prelude.js, a tiny bit of prelude code as the JavaScript side
    of runtime logic
  - jsffi/test-runner.mjs, run the jsffi test cases
  
  Co-authored-by: amesgen <amesgen@amesgen.de>
  

• 77e91500
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  hadrian: distribute jsbits needed for wasm backend's JSFFI support
  
  The post-linker.mjs/prelude.js files are now distributed in the
  bindist libdir, so when using the wasm backend's JSFFI feature, the
  user wouldn't need to fetch them from a ghc checkout manually.
  

• c47ba1c3
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  testsuite: add opts.target_wrapper
  
  This commit adds opts.target_wrapper which allows overriding the
  target wrapper on a per test case basis when testing a cross target.
  This is used when testing the wasm backend's JSFFI functionality; the
  rest of the cases are tested using wasmtime, though the jsffi cases
  are tested using the node.js based test runner.
  

• 8e048675
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  testsuite: T22774 should work for wasm JSFFI
  
  T22774 works since the wasm backend now supports the JSFFI feature.
  

• 1d07f9a6
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  testsuite: add JSFFI test cases for wasm backend
  
  This commit adds a few test cases for the wasm backend's JSFFI
  functionality, as well as a simple README to instruct future
  contributors to add new test cases.
  

• b8997080
  by Cheng Shao at 2024-02-13T14:07:49-05:00

  docs: add documentation for wasm backend JSFFI
  
  This commit adds changelog and user facing documentation for the wasm
  backend's JSFFI feature.
  

• ffeb000d
  by David Binder at 2024-02-13T14:08:30-05:00

  Add tests from libraries/process/tests and libraries/Win32/tests to GHC
  
  These tests were previously part of the libraries, which themselves are
  submodules of the GHC repository. This commit moves the tests directly
  to the GHC repository.
  

• 5a932cf2
  by David Binder at 2024-02-13T14:08:30-05:00

  Do not execute win32 tests on non-windows runners
  

• 500d8cb8
  by Jade at 2024-02-13T14:09:07-05:00

  prevent GHCi (and runghc) from suggesting other symbols when not finding main
  
  Fixes: #23996
  

• b19ec331
  by Cheng Shao at 2024-02-13T14:09:46-05:00

  rts: update xxHash to v0.8.2
  

• 4a97bdb8
  by Cheng Shao at 2024-02-13T14:09:46-05:00

  rts: use XXH3_64bits hash on all 64-bit platforms
  
  This commit enables XXH3_64bits hash to be used on all 64-bit
  platforms. Previously it was only enabled on x86_64, so platforms like
  aarch64 silently falls back to using XXH32 which degrades the hashing
  function quality.
  

• ee01de7d
  by Cheng Shao at 2024-02-13T14:09:46-05:00

  rts: define XXH_INLINE_ALL
  
  This commit cleans up how we include the xxhash.h header and only
  define XXH_INLINE_ALL, which is sufficient to inline the xxHash
  functions without symbol collision.
  

• 0e01e1db
  by Alan Zimmerman at 2024-02-14T02:13:22-05:00

  EPA: Move EpAnn out of extension points
  
  Leaving a few that are too tricky, maybe some other time.
  
  Also
   - remove some unneeded helpers from Parser.y
   - reduce allocations with strictness annotations
  
  Updates haddock submodule
  
  Metric Decrease:
      parsing001
  

• de589554
  by Andreas Klebinger at 2024-02-14T02:13:59-05:00

  Fix ffi callbacks with >6 args and non-64bit args.
  
  Check for ptr/int arguments rather than 64-bit width arguments when counting
  integer register arguments.
  The old approach broke when we stopped using exclusively W64-sized types to represent
  sub-word sized integers.
  
  Fixes #24314
  

• 9c588f19
  by Fendor at 2024-02-14T11:05:36+01:00

  Adapt to GHC giving better Name's for linking
  

• 325b7613
  by Ben Gamari at 2024-02-14T14:27:45-05:00

  rts/EventLog: Place eliminate duplicate strlens
  
  Previously many of the `post*` implementations would first compute the
  length of the event's strings in order to determine the event length.
  Later we would then end up computing the length yet again in
  `postString`. Now we instead pass the string length to `postStringLen`,
  avoiding the repeated work.
  

• 8aafa51c
  by Ben Gamari at 2024-02-14T14:27:46-05:00

  rts/eventlog: Place upper bound on IPE string field lengths
  
  The strings in IPE events may be of unbounded length. Limit the lengths
  of these fields to 64k characters to ensure that we don't exceed the
  maximum event length.
  

• 0e60d52c
  by Zubin Duggal at 2024-02-14T14:27:46-05:00

  rts: drop unused postString function
  

• d8d1333a
  by Cheng Shao at 2024-02-14T14:28:23-05:00

  compiler/rts: fix wasm unreg regression
  
  This commit fixes two wasm unreg regressions caught by a nightly
  pipeline:
  
  - Unknown stg_scheduler_loopzh symbol when compiling scheduler.cmm
  - Invalid _hs_constructor(101) function name when handling ctor
  

• 264a4fa9
  by Owen Shepherd at 2024-02-15T09:41:06-05:00

  feat: Add sortOn to Data.List.NonEmpty
  
  Adds `sortOn` to `Data.List.NonEmpty`, and adds
  comments describing when to use it, compared to
  `sortWith` or `sortBy . comparing`.
  
  The aim is to smooth out the API between
  `Data.List`, and `Data.List.NonEmpty`.
  
  This change has been discussed in the
  [clc issue](https://github.com/haskell/core-libraries-committee/issues/227).
  

• b57200de
  by Fendor at 2024-02-15T09:41:47-05:00

  Prefer RdrName over OccName for looking up locations in doc renaming step
  
  Looking up by OccName only does not take into account when functions are
  only imported in a qualified way.
  
  Fixes issue #24294
  
  Bump haddock submodule to include regression test
  

• 8ad02724
  by Luite Stegeman at 2024-02-15T17:33:32-05:00

  JS: add simple optimizer
  
  The simple optimizer reduces the size of the code generated by the
  JavaScript backend without the complexity and performance penalty
  of the optimizer in GHCJS.
  
  Also see #22736
  
  Metric Decrease:
      libdir
      size_hello_artifact
  

• 20769b36
  by Matthew Pickering at 2024-02-15T17:34:07-05:00

  base: Expose `--no-automatic-time-samples` in `GHC.RTS.Flags` API
  
  This patch builds on 5077416e12cf480fb2048928aa51fa4c8fc22cf1 and
  modifies the base API to reflect the new RTS flag.
  
  CLC proposal #243 - https://github.com/haskell/core-libraries-committee/issues/243
  
  Fixes #24337
  

• 778e1db3
  by Andrei Borzenkov at 2024-02-16T16:12:07+03:00

  Namespace specifiers for fixity signatures
  

• 08031ada
  by Teo Camarasu at 2024-02-16T13:37:00-05:00

  base: export System.Mem.performBlockingMajorGC
  
  The corresponding C function was introduced in
  ba73a807edbb444c49e0cf21ab2ce89226a77f2e. As part of #22264.
  
  Resolves #24228
  
  The CLC proposal was disccused at: https://github.com/haskell/core-libraries-committee/issues/230
  
  Co-authored-by: Ben Gamari <bgamari.foss@gmail.com>
  

• 1f534c2e
  by Florian Weimer at 2024-02-16T13:37:42-05:00

  Fix C output for modern C initiative
  
  GCC 14 on aarch64 rejects the C code written by GHC with this kind of
  error:
  
     error: assignment to ‘ffi_arg’ {aka ‘long unsigned int’} from ‘HsPtr’ {aka ‘void *’} makes integer from pointer without a cast [-Wint-conversion]
           68 | *(ffi_arg*)resp = cret;
              |                 ^
  
  Add the correct cast.
  
  For more information on this see:
  https://fedoraproject.org/wiki/Changes/PortingToModernC
  
  Tested-by: Richard W.M. Jones <rjones@redhat.com>
  

• 5d3f7862
  by Matthew Craven at 2024-02-16T13:38:18-05:00

  Bump bytestring submodule to 0.12.1.0
  

• 902ebcc2
  by Ian-Woo Kim at 2024-02-17T06:01:01-05:00

  Add missing BCO handling in scavenge_one.
  

• 97d26206
  by Sylvain Henry at 2024-02-17T06:01:44-05:00

  Make cast between words and floats real primops (#24331)
  
  First step towards fixing #24331. Replace foreign prim imports with real
  primops.
  

• a40e4781
  by Sylvain Henry at 2024-02-17T06:01:44-05:00

  Perf: add constant folding for bitcast between float and word (#24331)
  

• 5fd2c00f
  by Sylvain Henry at 2024-02-17T06:01:44-05:00

  Perf: replace stack checks with assertions in casting primops
  
  There are RESERVED_STACK_WORDS free words (currently 21) on the stack,
  so omit the checks.
  
  Suggested by Cheng Shao.
  

• 401dfe7b
  by Sylvain Henry at 2024-02-17T06:01:44-05:00

  Reexport primops from GHC.Float + add deprecation
  

• 4ab48edb
  by Ben Gamari at 2024-02-17T06:02:21-05:00

  rts/Hash: Don't iterate over chunks if we don't need to free data
  
  When freeing a `HashTable` there is no reason to walk over the hash list
  before freeing it if the user has not given us a `dataFreeFun`.
  
  Noticed while looking at #24410.
  

• bd5a1f91
  by Cheng Shao at 2024-02-17T06:03:00-05:00

  compiler: add SEQ_CST fence support
  
  In addition to existing Acquire/Release fences, this commit adds
  SEQ_CST fence support to GHC, allowing Cmm code to explicitly emit a
  fence that enforces total memory ordering. The following logic is
  added:
  
  - The MO_SeqCstFence callish MachOp
  - The %prim fence_seq_cst() Cmm syntax and the SEQ_CST_FENCE macro in Cmm.h
  - MO_SeqCstFence lowering logic in every single GHC codegen backend
  

• 2ce2a493
  by Cheng Shao at 2024-02-17T06:03:38-05:00

  testsuite: fix hs_try_putmvar002 for targets without pthread.h
  
  hs_try_putmvar002 includes pthread.h and doesn't work on targets
  without this header (e.g. wasm32). It doesn't need to include this
  header at all. This was previously unnoticed by wasm CI, though recent
  toolchain upgrade brought in upstream changes that completely removes
  pthread.h in the single-threaded wasm32-wasi sysroot, therefore we
  need to handle that change.
  

• 1fb3974e
  by Cheng Shao at 2024-02-17T06:03:38-05:00

  ci: bump ci-images to use updated wasm image
  
  This commit bumps our ci-images revision to use updated wasm image.
  

• 56e3f097
  by Andrew Lelechenko at 2024-02-17T06:04:13-05:00

  Bump submodule text to 2.1.1
  
  T17123 allocates less because of improvements to Data.Text.concat in 1a6a06a.
  
  Metric Decrease:
      T17123
  

• a7569495
  by Cheng Shao at 2024-02-17T06:04:51-05:00

  rts: remove redundant rCCCS initialization
  
  This commit removes the redundant logic of initializing each
  Capability's rCCCS to CCS_SYSTEM in initProfiling(). Before
  initProfiling() is called during RTS startup, each Capability's rCCCS
  has already been assigned CCS_SYSTEM when they're first initialized.
  

• 7a0293cc
  by Ben Gamari at 2024-02-19T07:11:00-05:00

  Drop dependence on `touch`
  
  This drops GHC's dependence on the `touch` program, instead implementing
  it within GHC. This eliminates an external dependency and means that we
  have one fewer program to keep track of in the `configure` script
  

• 0dbd729e
  by Andrei Borzenkov at 2024-02-19T07:11:37-05:00

  Parser, renamer, type checker for @a-binders (#17594)
  
  GHC Proposal 448 introduces binders for invisible type arguments
  (@a-binders) in various contexts. This patch implements @-binders
  in lambda patterns and function equations:
  
    {-# LANGUAGE TypeAbstractions #-}
  
    id1 :: a -> a
    id1 @t x = x :: t      -- @t-binder on the LHS of a function equation
  
    higherRank :: (forall a. (Num a, Bounded a) => a -> a) -> (Int8, Int16)
    higherRank f = (f 42, f 42)
  
    ex :: (Int8, Int16)
    ex = higherRank (\ @a x -> maxBound @a - x )
                           -- @a-binder in a lambda pattern in an argument
                           -- to a higher-order function
  
  Syntax
  ------
  
  To represent those @-binders in the AST, the list of patterns in Match
  now uses ArgPat instead of Pat:
  
    data Match p body
       = Match {
           ...
  -        m_pats  :: [LPat p],
  +        m_pats  :: [LArgPat p],
           ...
     }
  
  + data ArgPat pass
  +   = VisPat (XVisPat pass) (LPat pass)
  +   | InvisPat (XInvisPat pass) (HsTyPat (NoGhcTc pass))
  +   | XArgPat !(XXArgPat pass)
  
  The VisPat constructor represents patterns for visible arguments,
  which include ordinary value-level arguments and required type arguments
  (neither is prefixed with a @), while InvisPat represents invisible type
  arguments (prefixed with a @).
  
  Parser
  ------
  
  In the grammar (Parser.y), the lambda and lambda-cases productions of
  aexp non-terminal were updated to accept argpats instead of apats:
  
    aexp : ...
  -        | '\\' apats '->' exp
  +        | '\\' argpats '->' exp
           ...
  -        | '\\' 'lcases' altslist(apats)
  +        | '\\' 'lcases' altslist(argpats)
           ...
  
  + argpat : apat
  +        | PREFIX_AT atype
  
  Function left-hand sides did not require any changes to the grammar, as
  they were already parsed with productions capable of parsing @-binders.
  Those binders were being rejected in post-processing (isFunLhs), and now
  we accept them.
  
  In Parser.PostProcess, patterns are constructed with the help of
  PatBuilder, which is used as an intermediate data structure when
  disambiguating between FunBind and PatBind. In this patch we define
  ArgPatBuilder to accompany PatBuilder. ArgPatBuilder is a short-lived
  data structure produced in isFunLhs and consumed in checkFunBind.
  
  Renamer
  -------
  
  Renaming of @-binders builds upon prior work on type patterns,
  implemented in 2afbddb0f24, which guarantees proper scoping and
  shadowing behavior of bound type variables.
  
  This patch merely defines rnLArgPatsAndThen to process a mix of visible
  and invisible patterns:
  
  + rnLArgPatsAndThen :: NameMaker -> [LArgPat GhcPs] -> CpsRn [LArgPat GhcRn]
  + rnLArgPatsAndThen mk = mapM (wrapSrcSpanCps rnArgPatAndThen) where
  +   rnArgPatAndThen (VisPat x p)    = ... rnLPatAndThen ...
  +   rnArgPatAndThen (InvisPat _ tp) = ... rnHsTyPat ...
  
  Common logic between rnArgPats and rnPats is factored out into the
  rn_pats_general helper.
  
  Type checker
  ------------
  
  Type-checking of @-binders builds upon prior work on lazy skolemisation,
  implemented in f5d3e03c56f.
  
  This patch extends tcMatchPats to handle @-binders. Now it takes and
  returns a list of LArgPat rather than LPat:
  
    tcMatchPats ::
                ...
  -             -> [LPat GhcRn]
  +             -> [LArgPat GhcRn]
                ...
  -             -> TcM ([LPat GhcTc], a)
  +             -> TcM ([LArgPat GhcTc], a)
  
  Invisible binders in the Match are matched up with invisible (Specified)
  foralls in the type. This is done with a new clause in the `loop` worker
  of tcMatchPats:
  
    loop :: [LArgPat GhcRn] -> [ExpPatType] -> TcM ([LArgPat GhcTc], a)
    loop (L l apat : pats) (ExpForAllPatTy (Bndr tv vis) : pat_tys)
      ...
      -- NEW CLAUSE:
      | InvisPat _ tp <- apat, isSpecifiedForAllTyFlag vis
      = ...
  
  In addition to that, tcMatchPats no longer discards type patterns. This
  is done by filterOutErasedPats in the desugarer instead.
  
  x86_64-linux-deb10-validate+debug_info
  Metric Increase:
      MultiLayerModulesTH_OneShot
  

• 486979b0
  by Jade at 2024-02-19T07:12:13-05:00

  Add specialized sconcat implementation for Data.Monoid.First and Data.Semigroup.First
  
  Approved CLC Proposal: https://github.com/haskell/core-libraries-committee/issues/246
  Fixes: #24346
  

• 17e309d2
  by John Ericson at 2024-02-19T07:12:49-05:00

  Fix reST in users guide
  
  It appears that aef587f65de642142c1dcba0335a301711aab951 wasn't valid syntax.
  

• 35b0ad90
  by Brandon Chinn at 2024-02-19T07:13:25-05:00

  Fix searching for errors in sphinx build
  

• 4696b966
  by Cheng Shao at 2024-02-19T07:14:02-05:00

  hadrian: fix wasm backend post linker script permissions
  
  The post-link.mjs script was incorrectly copied and installed as a
  regular data file without executable permission, this commit fixes it.
  

• a6142e0c
  by Cheng Shao at 2024-02-19T07:14:40-05:00

  testsuite: mark T23540 as fragile on i386
  
  See #24449 for details.
  

• 249caf0d
  by Matthew Craven at 2024-02-19T20:36:09-05:00

  Add @since annotation to Data.Data.mkConstrTag
  

• cdd939e7
  by Jade at 2024-02-19T20:36:46-05:00

  Enhance documentation of Data.Complex
  

• d04f384f
  by Ben Gamari at 2024-02-21T04:59:23-05:00

  hadrian/bindist: Ensure that phony rules are marked as such
  
  Otherwise make may not run the rule if file with the same name as the
  rule happens to exist.
  

• efcbad2d
  by Ben Gamari at 2024-02-21T04:59:23-05:00

  hadrian: Generate HSC2HS_EXTRAS variable in bindist installation
  
  We must generate the hsc2hs wrapper at bindist installation time since
  it must contain `--lflag` and `--cflag` arguments which depend upon the
  installation path.
  
  The solution here is to substitute these variables in the configure
  script (see mk/hsc2hs.in). This is then copied over a dummy wrapper in
  the install rules.
  
  Fixes #24050.
  

• c540559c
  by Matthew Pickering at 2024-02-21T04:59:23-05:00

  ci: Show --info for installed compiler
  

• ab9281a2
  by Matthew Pickering at 2024-02-21T04:59:23-05:00

  configure: Correctly set --target flag for linker opts
  
  Previously we were trying to use the FP_CC_SUPPORTS_TARGET with 4
  arguments, when it only takes 3 arguments. Instead we need to use the
  `FP_PROG_CC_LINKER_TARGET` function in order to set the linker flags.
  
  Actually fixes #24414
  

• 9460d504
  by Rodrigo Mesquita at 2024-02-21T04:59:59-05:00

  configure: Do not override existing linker flags in FP_LD_NO_FIXUP_CHAINS
  

• 77629e76
  by Andrei Borzenkov at 2024-02-21T05:00:35-05:00

  Namespacing for fixity signatures (#14032)
  
  Namespace specifiers were added to syntax of fixity signatures:
    - sigdecl ::= infix prec ops | ...
    + sigdecl ::= infix prec namespace_spec ops | ...
  
  To preserve namespace during renaming MiniFixityEnv type
  now has separate FastStringEnv fields for names that should be
  on the term level and for name that should be on the type level.
  
  makeMiniFixityEnv function was changed to fill MiniFixityEnv in the right way:
   - signatures without namespace specifiers fill both fields
   - signatures with 'data' specifier fill data field only
   - signatures with 'type' specifier fill type field only
  
  Was added helper function lookupMiniFixityEnv that takes care about
  looking for a name in an appropriate namespace.
  
  Updates haddock submodule.
  
  Metric Decrease:
      MultiLayerModulesTH_OneShot
  

• 84357d11
  by Teo Camarasu at 2024-02-21T05:01:11-05:00

  rts: only collect live words in nonmoving census when non-concurrent
  
  This avoids segfaults when the mutator modifies closures as we examine
  them.
  
  Resolves #24393
  

• 9ca56dd3
  by Ian-Woo Kim at 2024-02-21T05:01:53-05:00

  mutex wrap in refreshProfilingCCSs
  

• 1387966a
  by Cheng Shao at 2024-02-21T05:02:32-05:00

  rts: remove unused HAVE_C11_ATOMICS macro
  
  This commit removes the unused HAVE_C11_ATOMICS macro. We used to have
  a few places that have fallback paths when HAVE_C11_ATOMICS is not
  defined, but that is completely redundant, since the
  FP_CC_SUPPORTS__ATOMICS configure check will fail when the C compiler
  doesn't support C11 style atomics. There are also many places (e.g. in
  unreg backend, SMP.h, library cbits, etc) where we unconditionally use
  C11 style atomics anyway which work in even CentOS 7 (gcc 4.8), the
  oldest distro we test in our CI, so there's no value in keeping
  HAVE_C11_ATOMICS.
  

• 0f40d68f
  by Andreas Klebinger at 2024-02-21T05:03:09-05:00

  RTS: -Ds - make sure incall is non-zero before dereferencing it.
  
  Fixes #24445
  

• e5886de5
  by Ben Gamari at 2024-02-21T05:03:44-05:00

  rts/AdjustorPool: Use ExecPage abstraction
  
  This is just a minor cleanup I found while reviewing the implementation.
  

• 826c5b47
  by Torsten Schmits at 2024-02-21T13:17:05+01:00

  rename GHC.Tuple.Prim to GHC.Tuple
  

• 09941666
  by Adam Gundry at 2024-02-21T13:53:12+00:00

  Define GHC2024 language edition (#24320)
  
  See https://github.com/ghc-proposals/ghc-proposals/pull/613. Also
  fixes #24343 and improves the documentation of language editions.
  
  Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
  

• 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
  

• 5121a4ed
  by Ben Gamari at 2024-02-23T06:40:55-05:00

  Allow docstrings after exports
  
  Here we extend the parser and AST to preserve docstrings following
  export items. We then extend Haddock to parse `@since` annotations in
  such docstrings, allowing changes in export structure to be properly
  documented.
  
  Bumps haddock submodule.
  

• 30cfd251
  by Torsten Schmits at 2024-02-24T13:00:42-05:00

  rename GHC.Tuple.Prim to GHC.Tuple
  

• 0eb2265d
  by Hécate Moonlight at 2024-02-24T16:02:16-05:00

  Improve the synopsis and description of base
  

• 2e36f5d2
  by Jade at 2024-02-24T16:02:51-05:00

  Error Messages: Properly align cyclic module error
  
  Fixes: #24476
  

• bbfb051c
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  Allow docstrings after exports
  
  Here we extend the parser and AST to preserve docstrings following
  export items. We then extend Haddock to parse `@since` annotations in
  such docstrings, allowing changes in export structure to be properly
  documented.
  

• d8d6ad8c
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  ghc-internal: Move modules into GHC.Internal.* namespace
  
  Bumps haddock submodule due to testsuite output changes.
  

• a82af7cd
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  ghc-internal: Rewrite `@since ` to `@since base-`
  
  These will be incrementally moved to the export sites in `base` where
  possible.
  

• ca3836e1
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  base: Migrate Haddock `not-home` pragmas from `ghc-internal`
  
  This ensures that we do not use `base` stub modules as declarations'
  homes when not appropriate.
  

• c8cf3e26
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  base: Partially freeze exports of GHC.Base
  
  Sadly there are still a few module reexports. However, at least we have
  decoupled from the exports of `GHC.Internal.Base`.
  

• 272573c6
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  Move Haddock named chunks
  

• 2d8a881d
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  Drop GHC.Internal.Data.Int
  

• 55c4c385
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  compiler: Fix mention to `GHC....` modules in wasm desugaring
  
  Really, these references should be via known-key names anyways. I have
  fixed the proximate issue here but have opened #24472 to track the
  additional needed refactoring.
  

• 64150911
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  Accept performance shifts from ghc-internal restructure
  
  As expected, Haddock now does more work. Less expected is that some
  other testcases actually get faster, presumably due to less interface
  file loading. As well, the size_hello_artifact test regressed a bit when
  debug information is enabled due to debug information for the new stub
  symbols.
  
  Metric Decrease:
      T12227
      T13056
  Metric Increase:
      haddock.Cabal
      haddock.base
      MultiLayerModulesTH_OneShot
      size_hello_artifact
  

• 317a915b
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  Expose GHC.Wasm.Prim from ghc-experimental
  
  Previously this was only exposed from `ghc-internal` which violates our
  agreement that users shall not rely on things exposed from that package.
  
  Fixes #24479.
  

• 3bbd2bf2
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  compiler/tc: Small optimisation of evCallStack
  
  Don't lookupIds unless we actually need them.
  

• 3e5c9e3c
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  compiler/tc: Use toException instead of SomeException
  

• 125714a6
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  base: Factor out errorBelch
  
  This was useful when debugging
  

• 3d6aae7c
  by Ben Gamari at 2024-02-24T19:10:23-05:00

  base: Clean up imports of GHC.Stack.CloneStack
  

• 6900306e
  by Ben Gamari at 2024-02-24T19:10:24-05:00

  base: Move PrimMVar to GHC.Internal.MVar
  

• 28f8a148
  by Ben Gamari at 2024-02-24T19:10:24-05:00

  base: Move prettyCallStack to GHC.Internal.Stack
  

• 4892de47
  by Ben Gamari at 2024-02-24T19:10:24-05:00

  base: Explicit dependency to workaround #24436
  
  Currently `ghc -M` fails to account for `.hs-boot` files correctly,
  leading to issues with cross-package one-shot builds failing. This
  currently manifests in `GHC.Exception` due to the boot file for
  `GHC.Internal.Stack`. Work around this by adding an explicit `import`,
  ensuring that `GHC.Internal.Stack` is built before `GHC.Exception`.
  
  See #24436.
  

• 294c93a5
  by Ben Gamari at 2024-02-24T19:10:24-05:00

  base: Use displayException in top-level exception handler
  
  Happily this also allows us to eliminate a special case for Deadlock
  exceptions.
  
  Implements [CLC #198](https://github.com/haskell/core-libraries-committee/issues/198).
  

• 732db81d
  by Ben Gamari at 2024-02-24T19:12:18-05:00

  Merge remote-tracking branch 'origin/ghc-head' into HEAD
  

• cf756a25
  by Ben Gamari at 2024-02-24T22:11:53-05:00

  rts: Fix symbol references in Wasm RTS
  

• 4e4d47a0
  by Jade at 2024-02-26T15:17:20-05:00

  GHCi: Improve response to unloading, loading and reloading modules
  
  Fixes #13869
  

• f3de8a3c
  by Zubin Duggal at 2024-02-26T15:17:57-05:00

  rel-eng/fetch-gitlab.py: Fix name of aarch64 alpine 3_18 release job
  

• c71bfdff
  by Cheng Shao at 2024-02-26T15:18:35-05:00

  hadrian/hie-bios: pass -j to hadrian
  
  This commit passes -j to hadrian in the hadrian/hie-bios scripts. When
  the user starts HLS in a fresh clone that has just been configured, it
  takes quite a while for hie-bios to pick up the ghc flags and start
  actual indexing, due to the fact that the hadrian build step defaulted
  to -j1, so -j speeds things up and improve HLS user experience in GHC.
  Also add -j flag to .ghcid to speed up ghcid, and sets the Windows
  build root to .hie-bios which also works and unifies with other
  platforms, the previous build root _hie-bios was missing from
  .gitignore anyway.
  

• 50bfdb46
  by Cheng Shao at 2024-02-26T15:18:35-05:00

  ci: enable parallelism in hadrian/ghci scripts
  
  This commit enables parallelism when the hadrian/ghci scripts are
  called in CI. The time bottleneck is in the hadrian build step, but
  previously the build step wasn't parallelized.
  

• 61a78231
  by Felix Yan at 2024-02-26T15:19:14-05:00

  m4: Correctly detect GCC version
  
  When calling as `cc`, GCC does not outputs lowercased "gcc" at least in 13.2.1 version here.
  
  ```
  $ cc --version
  cc (GCC) 13.2.1 20230801
  ...
  ```
  
  This fails the check and outputs the confusing message: `configure: $CC is not gcc; assuming it's a reasonably new C compiler`
  
  This patch makes it check for upper-cased "GCC" too so that it works correctly:
  
  ```
  checking version of gcc... 13.2.1
  ```

• 001aa539
  by Teo Camarasu at 2024-02-27T13:26:46-05:00

  Fix formatting in whereFrom docstring
  
  Previously it used markdown syntax rather than Haddock syntax for code quotes
  

• e8034d15
  by Teo Camarasu at 2024-02-27T13:26:46-05:00

  Move ClosureType type to ghc-internal
  
  - Use ClosureType for InfoProv.ipDesc.
  - Use ClosureType for CloneStack.closureType.
  - Now ghc-heap re-exports this type from ghc-internal.
  
  See the accompanying CLC proposal: https://github.com/haskell/core-libraries-committee/issues/210
  
  Resolves #22600
  

• 3da0a551
  by Matthew Craven at 2024-02-27T13:27:22-05:00

  StgToJS: Simplify ExprInline constructor of ExprResult
  
  Its payload was used only for a small optimization in genAlts,
  avoiding a few assignments for programs of this form:
  
    case NormalDataCon arg1 arg2 of x { NormalDataCon x1 x2 -> ... ; }
  
  But when compiling with optimizations, this sort of code is
  generally eliminated by case-of-known-constructor in Core-to-Core.
  So it doesn't seem worth tracking and cleaning up again in StgToJS.
  

• 61bc92cc
  by Cheng Shao at 2024-02-27T16:58:42-05:00

  rts: add missing ccs_mutex guard to internal_dlopen
  
  See added comment for details. Closes #24423.
  

• dd29d3b2
  by doyougnu at 2024-02-27T16:59:23-05:00

  cg: Remove GHC.Cmm.DataFlow.Collections
  
  In pursuit of #15560 and #17957 and generally removing redundancy.
  

• d3a050d2
  by Cheng Shao at 2024-02-27T17:00:00-05:00

  utils: remove unused lndir from tree
  
  Ever since the removal of the make build system, the in tree lndir
  hasn't been actually built, so this patch removes it.
  

• 86bf7010
  by Ben Gamari at 2024-02-27T19:28:10-05:00

  Merge remote-tracking branch 'origin/ghc-head' into HEAD
  

• 74b24a9b
  by Teo Camarasu at 2024-02-28T16:32:58+00:00

  rts: avoid checking bdescr of value outside of Haskell heap
  
  In nonmovingTidyWeaks we want to check if the key of a weak pointer
  lives in the non-moving heap. We do this by checking the flags of the
  block the key lives in. But we need to be careful with values that live
  outside the Haskell heap, since they will lack a block descriptor and
  looking for one may lead to a segfault. In this case we should just
  accept that it isn't on the non-moving heap.
  
  Resolves #24492
  

• b4cae4ec
  by Simon Peyton Jones at 2024-02-29T02:10:08-05:00

  In mkDataConRep, ensure the in-scope set is right
  
  A small change that fixes #24489
  

• 3836a110
  by Cheng Shao at 2024-02-29T21:25:45-05:00

  testsuite: fix T23540 fragility on 32-bit platforms
  
  T23540 is fragile on 32-bit platforms. The root cause is usage of
  `getEvidenceTreesAtPoint`, which internally relies on `Name`'s `Ord`
  instance, which is indeterministic. The solution is adding a
  deterministic `Ord` instance for `EvidenceInfo` and sorting the
  evidence trees before pretty printing. Fixes #24449.
  

• 960c8d47
  by Teo Camarasu at 2024-02-29T21:26:20-05:00

  Reduce AtomicModifyIORef increment count
  
  This test leads to a lot of contention when N>2 and becomes very slow. Let's reduce the amount of work we do to compensate. Resolves #24490
  

• 2e46c8ad
  by Matthew Pickering at 2024-03-01T05:48:06-05:00

  hadrian: Improve parallelism in binary-dist-dir rule
  
  I noticed that the "docs" target was needed after the libraries and
  executables were built. We can improve the parallelism by needing
  everything at once so that documentation can be built immediately after
  a library is built for example.
  

• cb6c11fe
  by Matthew Pickering at 2024-03-01T05:48:07-05:00

  ci: Bump windows and freebsd boot compilers to 9.6.4
  
  We have previously bumped the docker images to use 9.6.4, but neglected
  to bump the windows images until now.
  

• 30f06996
  by Matthew Pickering at 2024-03-01T05:48:07-05:00

  ci: darwin: Update to 9.6.2 for boot compiler
  
  9.6.4 is currently broken due to #24050
  
  Also update to use LLVM-15 rather than LLVM-11, which is out of date.
  

• d9d69e12
  by Matthew Pickering at 2024-03-01T05:48:07-05:00

  Bump minimum bootstrap version to 9.6
  

• 67ace1c5
  by Matthew Pickering at 2024-03-01T05:48:07-05:00

  ci: Enable more documentation building
  
  Here we enable documentation building on
  
  1. Darwin: The sphinx toolchain was already installed so we enable html
     and manpages.
  2. Rocky8: Full documentation (toolchain already installed)
  3. Alpine: Full documetnation (toolchain already installed)
  4. Windows: HTML and manpages (toolchain already installed)
  
  Fixes #24465
  

• 39583c39
  by Matthew Pickering at 2024-03-01T05:48:42-05:00

  ci: Bump ci-images to allow updated aarch64-alpine image with llvm15 and clang15
  

• d91d00fc
  by Torsten Schmits at 2024-03-01T15:01:50-05:00

  Introduce ListTuplePuns extension
  
  This implements Proposal 0475, introducing the `ListTuplePuns` extension
  which is enabled by default.
  
  Disabling this extension makes it invalid to refer to list, tuple and
  sum type constructors by using built-in syntax like `[Int]`,
  `(Int, Int)`, `(# Int#, Int# #)` or `(# Int | Int #)`.
  Instead, this syntax exclusively denotes data constructors for use with
  `DataKinds`.
  The conventional way of referring to these data constructors by
  prefixing them with a single quote (`'(Int, Int)`) is now a parser
  error.
  
  Tuple declarations have been moved to `GHC.Tuple.Prim` and the `Solo`
  data constructor has been renamed to `MkSolo` (in a previous commit).
  Unboxed tuples and sums now have real source declarations in `GHC.Types`.
  Unit and solo types for tuples are now called `Unit`, `Unit#`, `Solo`
  and `Solo#`.
  Constraint tuples now have the unambiguous type constructors `CTuple<n>`
  as well as `CUnit` and `CSolo`, defined in `GHC.Classes` like before.
  
  A new parser construct has been added for the unboxed sum data
  constructor declarations.
  
  The type families `Tuple`, `Sum#` etc. that were intended to provide
  nicer syntax have been omitted from this change set due to inference
  problems, to be implemented at a later time.
  See the MR discussion for more info.
  
  Updates the submodule utils/haddock.
  Updates the cabal submodule due to new language extension.
  
      Metric Increase:
          haddock.base
  
      Metric Decrease:
          MultiLayerModulesTH_OneShot
          size_hello_artifact
  
  Proposal document: https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0475-tuple-syntax.rst
  
  Merge request: https://gitlab.haskell.org/ghc/ghc/-/merge_requests/8820
  
  Tracking ticket: https://gitlab.haskell.org/ghc/ghc/-/issues/21294
  

• bbdb6286
  by Sylvain Henry at 2024-03-01T15:01:50-05:00

  JS linker: filter unboxed tuples
  

• dec6d8d3
  by Arnaud Spiwack at 2024-03-01T15:02:30-05:00

  Improve error messages coming from non-linear patterns
  
  This enriched the `CtOrigin` for non-linear patterns to include data
  of the pattern that created the constraint (which can be quite useful
  if it occurs nested in a pattern) as well as an explanation why the
  pattern is non-restricted in (at least in some cases).
  

• 6612388e
  by Arnaud Spiwack at 2024-03-01T15:02:30-05:00

  Adjust documentation of linear lets according to committee decision
  

• 1c064ef1
  by Cheng Shao at 2024-03-02T17:11:19-05:00

  compiler: start deprecating cmmToRawCmmHook
  
  cmmToRawCmmHook was added 4 years ago in
  d561c8f6244f8280a2483e8753c38e39d34c1f01. Its only user is the
  Asterius project, which has been archived and deprecated in favor of
  the ghc wasm backend. This patch starts deprecating cmmToRawCmmHook by
  placing a DEPRECATED pragma, and actual removal shall happen in a
  future GHC major release if no issue to oppose the deprecation has
  been raised in the meantime.
  

• 9b74845f
  by Andrew Lelechenko at 2024-03-02T17:11:55-05:00

  Data.List.NonEmpty.unzip: use WARNING with category instead of DEPRECATED
  
  CLC proposal: https://github.com/haskell/core-libraries-committee/issues/258
  

• 61bb5ff6
  by Finley McIlwaine at 2024-03-04T09:01:40-08:00

  add -fprof-late-overloaded and -fprof-late-overloaded-calls
  
  * Refactor late cost centre insertion for extensibility
  * Add two more late cost centre insertion methods that add SCCs to overloaded
    top level bindings and call sites with dictionary arguments.
  * Some tests for the basic functionality of the new insertion methods
  
  Resolves: #24500
  

• 82ccb801
  by Andreas Klebinger at 2024-03-04T19:59:14-05:00

  x86-ncg: Fix fma codegen when arguments are globals
  
  Fix a bug in the x86 ncg where results would be wrong when the desired output
  register and one of the input registers were the same global.
  
  Also adds a tiny optimization to make use of the memory addressing
  support when convenient.
  
  Fixes #24496
  

• 18ad1077
  by Matthew Pickering at 2024-03-05T14:22:31-05:00

  rel_eng: Update hackage docs upload scripts
  
  This adds the upload of ghc-internal and ghc-experimental to our scripts
  which upload packages to hackage.
  

• bf47c9ba
  by Matthew Pickering at 2024-03-05T14:22:31-05:00

  docs: Remove stray module comment from GHC.Profiling.Eras
  

• 37d9b340
  by Matthew Pickering at 2024-03-05T14:22:31-05:00

  Fix ghc-internal cabal file
  
  The file mentioned some artifacts relating to the base library. I have
  renamed these to the new ghc-internal variants.
  

• 23f2a478
  by Matthew Pickering at 2024-03-05T14:22:31-05:00

  Fix haddock source links and hyperlinked source
  
  There were a few issues with the hackage links:
  
  1. We were using the package id rather than the package name for the
     package links. This is fixed by now allowing the template to mention
     %pkg% or %pkgid% and substituing both appropiatly.
  2. The `--haddock-base-url` flag is renamed to `--haddock-for-hackage`
     as the new base link works on a local or remote hackage server.
  3. The "src" path including too much stuff, so cross-package source
     links were broken as the template was getting double expanded.
  
  Fixes #24086
  

• 2fa336a9
  by Ben Gamari at 2024-03-05T14:23:07-05:00

  filepath: Bump submodule to 1.5.2.0
  

• 31217944
  by Ben Gamari at 2024-03-05T14:23:07-05:00

  os-string: Bump submodule to 2.0.2
  

• 4074a3f2
  by Matthew Pickering at 2024-03-05T21:44:35-05:00

  base: Reflect new era profiling RTS flags in GHC.RTS.Flags
  
  * -he profiling mode
  * -he profiling selector
  * --automatic-era-increment
  
  CLC proposal #254 - https://github.com/haskell/core-libraries-committee/issues/254
  

• a8c0e31b
  by Sylvain Henry at 2024-03-05T21:45:14-05:00

  JS: faster implementation for some numeric primitives (#23597)
  
  Use faster implementations for the following primitives in the JS
  backend by not using JavaScript's BigInt:
  - plusInt64
  - minusInt64
  - minusWord64
  - timesWord64
  - timesInt64
  
  Co-authored-by: Josh Meredith <joshmeredith2008@gmail.com>
  

• 21e3f325
  by Cheng Shao at 2024-03-05T21:45:52-05:00

  rts: add -xr option to control two step allocator reserved space size
  
  This patch adds a -xr RTS option to control the size of virtual memory
  address space reserved by the two step allocator on a 64-bit platform,
  see added documentation for explanation. Closes #24498.
  

• dedcf102
  by Cheng Shao at 2024-03-06T13:39:04-05:00

  rts: expose HeapAlloc.h as public header
  
  This commit exposes HeapAlloc.h as a public header. The intention is
  to expose HEAP_ALLOCED/HEAP_ALLOCED_GC, so they can be used in
  assertions in other public headers, and they may also be useful for
  user code.
  

• d19441d7
  by Cheng Shao at 2024-03-06T13:39:04-05:00

  rts: assert pointer is indeed heap allocated in Bdescr()
  
  This commit adds an assertion to Bdescr() to assert the pointer is
  indeed heap allocated. This is useful to rule out RTS bugs that
  attempt to access non-existent block descriptor of a static closure, #24492
  being one such example.
  

• 9a656a04
  by Ben Gamari at 2024-03-06T13:39:39-05:00

  ghc-experimental: Add dummy dependencies to work around #23942
  
  This is a temporary measure to improve CI reliability until a proper
  solution is developed.
  
  Works around #23942.
  

• 1e84b924
  by Simon Peyton Jones at 2024-03-06T13:39:39-05:00

  Three compile perf improvements with deep nesting
  
  These were changes are all triggered by #24471.
  
  1. Make GHC.Core.Opt.SetLevels.lvlMFE behave better when there are
     many free variables.  See Note [Large free-variable sets].
  
  2. Make GHC.Core.Opt.Arity.floatIn a bit lazier in its Cost argument.
     This benefits the common case where the ArityType turns out to
     be nullary. See Note [Care with nested expressions]
  
  3. Make GHC.CoreToStg.Prep.cpeArg behave for deeply-nested
     expressions.  See Note [Eta expansion of arguments in CorePrep]
     wrinkle (EA2).
  
  Compile times go down by up to 4.5%, and much more in artificial
  cases. (Geo mean of compiler/perf changes is -0.4%.)
  
  Metric Decrease:
      CoOpt_Read
      T10421
      T12425
  

• c4b13113
  by Hécate Moonlight at 2024-03-06T13:40:17-05:00

  Use "module" instead of "library" when applicable in base haddocks
  

• 9cd9efb4
  by Vladislav Zavialov at 2024-03-07T13:01:54+03:00

  Rephrase error message to say "visible arguments" (#24318)
  
  * Main change: make the error message generated by mkFunTysMsg more
    accurate by changing "value arguments" to "visible arguments".
  
  * Refactor: define a new type synonym VisArity and use it instead of
    Arity in a few places.
  
  It might be the case that there other places in the compiler that should
  talk about visible arguments rather than value arguments, but I haven't
  tried to find them all, focusing only on the error message reported in
  the ticket.
  

• 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.
  

• d523a6a7
  by Ben Gamari at 2024-03-07T19:40:45-05:00

  Bump array submodule
  

• 7e55003c
  by Ben Gamari at 2024-03-07T19:40:45-05:00

  Bump stm submodule
  

• 32d337ef
  by Ben Gamari at 2024-03-07T19:40:45-05:00

  Introduce exception context
  
  Here we introduce the `ExceptionContext` type and `ExceptionAnnotation`
  class, allowing dynamically-typed user-defined annotations to be
  attached to exceptions.
  
  CLC Proposal: https://github.com/haskell/core-libraries-committee/issues/199
  GHC Proposal: https://github.com/ghc-proposals/ghc-proposals/pull/330
  

• 39f3d922
  by Ben Gamari at 2024-03-07T19:40:46-05:00

  testsuite/interface-stability: Update documentation
  

• fdea7ada
  by Ben Gamari at 2024-03-07T19:40:46-05:00

  ghc-internal: comment formatting
  

• 4fba42ef
  by Ben Gamari at 2024-03-07T19:40:46-05:00

  compiler: Default and warn ExceptionContext constraints
  

• 3886a205
  by Ben Gamari at 2024-03-07T19:40:46-05:00

  base: Introduce exception backtraces
  
  Here we introduce the `Backtraces` type and associated machinery for
  attaching these via `ExceptionContext`. These has a few compile-time
  regressions (`T15703` and `T9872d`) due to the additional dependencies
  in the exception machinery.
  
  As well, there is a surprisingly large regression in the
  `size_hello_artifact` test. This appears to be due to various `Integer` and
  `Read` bits now being reachable at link-time. I believe it should be
  possible to avoid this but I have accepted the change for now to get the
  feature merged.
  
  CLC Proposal: https://github.com/haskell/core-libraries-committee/issues/199
  GHC Proposal: https://github.com/ghc-proposals/ghc-proposals/pull/330
  
  Metric Increase:
      T15703
      T9872d
      size_hello_artifact
  

• 18c5409f
  by Ben Gamari at 2024-03-07T19:40:46-05:00

  users guide: Release notes for exception backtrace work
  

• f849c5fc
  by Ben Gamari at 2024-03-07T19:40:46-05:00

  compiler: Don't show ExceptionContext of GhcExceptions
  
  Most GhcExceptions are user-facing errors and therefore the
  ExceptionContext has little value. Ideally we would enable
  it in the DEBUG compiler but I am leaving this for future work.
  

• dc646e6f
  by Sylvain Henry at 2024-03-07T19:40:46-05:00

  Disable T9930fail for the JS target (cf #19174)
  

• bfc09760
  by Alan Zimmerman at 2024-03-07T19:41:22-05:00

  Update showAstData to honour blanking of AnnParen
  
  Also tweak rendering of SrcSpan to remove extra blank line.
  

• 50454a29
  by Ben Gamari at 2024-03-08T03:32:42-05:00

  ghc-internal: Eliminate GHC.Internal.Data.Kind
  
  This was simply reexporting things from `ghc-prim`. Instead reexport
  these directly from `Data.Kind`. Also add build ordering dependency to
  work around #23942.
  

• 38a4b6ab
  by Ben Gamari at 2024-03-08T03:33:18-05:00

  rts: Fix SET_HDR initialization of retainer set
  
  This fixes a regression in retainer set profiling introduced by
  b0293f78cb6acf2540389e22bdda420d0ab874da. Prior to that commit
  the heap traversal word would be initialized by `SET_HDR` using
  `LDV_RECORD_CREATE`. However, the commit added a `doingLDVProfiling`
  check in `LDV_RECORD_CREATE`, meaning that this initialization no longer
  happened.
  
  Given that this initialization was awkwardly indirectly anyways, I have
  fixed this by explicitly initializating the heap traversal word to
  `NULL` in `SET_PROF_HDR`. This is equivalent to the previous behavior,
  but much more direct.
  
  Fixes #24513.
  

• 635abccc
  by Ben Gamari at 2024-03-08T17:09:06-05:00

  Bump ghc version to 9.10
  

• 2859a637
  by Ben Gamari at 2024-03-08T18:26:47-05:00

  base: Use strerror_r instead of strerror
  
  As noted by #24344, `strerror` is not necessarily thread-safe.
  Thankfully, POSIX.1-2001 has long offered `strerror_r`, which is
  safe to use.
  
  Fixes #24344.
  
  CLC discussion: https://github.com/haskell/core-libraries-committee/issues/249
  

• 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
  

• edb9bf77
  by Jade at 2024-03-09T03:39:38-05:00

  Error messages: Improve Error messages for Data constructors in type signatures.
  
  This patch improves the error messages from invalid type signatures by
  trying to guess what the user did and suggesting an appropriate fix.
  
  Partially fixes: #17879
  

• cfb197e3
  by Patrick at 2024-03-09T03:40:15-05:00

  HieAst: add module name #24493
  
  The main purpose of this is to tuck the module name `xxx` in `module xxx where` into the hieAst.
  It should fix #24493.
  
  The following have been done:
  1. Renamed and update the `tcg_doc_hdr :: Maybe (LHsDoc GhcRn)` to `tcg_hdr_info :: (Maybe (LHsDoc GhcRn), Maybe (XRec GhcRn ModuleName))`
     To store the located module name information.
  2. update the `RenamedSource` and `RenamedStuff` with extra `Maybe (XRec GhcRn ModuleName)` located module name information.
  3. add test `testsuite/tests/hiefile/should_compile/T24493.hs` to ensure the module name is added and update several relevent tests.
  4. accompanied submodule haddoc test update MR in https://gitlab.haskell.org/ghc/haddock/-/merge_requests/53
  

• 2341d81e
  by Vaibhav Sagar at 2024-03-09T03:40:54-05:00

  GHC.Utils.Binary: fix a couple of typos
  

• 5580e1bd
  by Ben Gamari at 2024-03-09T03:41:30-05:00

  rts: Drop .wasm suffix from .prof file names
  
  This replicates the behavior on Windows, where `Hi.exe` will produce
  profiling output named `Hi.prof` instead of `Hi.exe.prof`.
  
  While in the area I also fixed the extension-stripping logic, which
  incorrectly rewrote `Hi.exefoo` to `Hi.foo`.
  
  Closes #24515.
  

• 259495ee
  by Cheng Shao at 2024-03-09T03:41:30-05:00

  testsuite: drop exe extension from .hp & .prof filenames
  
  See #24515 for details.
  

• c477a8d2
  by Ben Gamari at 2024-03-09T03:42:05-05:00

  rts/linker: Enable GOT support on all platforms
  
  There is nothing platform-dependent about our GOT implementation and
  GOT support is needed by `T24171` on i386.
  

• 2e592857
  by Vladislav Zavialov at 2024-03-09T03:42:41-05:00

  Drop outdated comment on TcRnIllformedTypePattern
  
  This should have been done in 0f0c53a501b but I missed it.
  

• c554b4da
  by Ben Gamari at 2024-03-09T09:39:20-05:00

  rts/CloneStack: Bounds check array write
  

• 15c590a5
  by Ben Gamari at 2024-03-09T09:39:20-05:00

  rts/CloneStack: Don't expose helper functions in header
  

• e831ce31
  by Ben Gamari at 2024-03-09T09:39:20-05:00

  base: Move internals of GHC.InfoProv into GHC.InfoProv.Types
  
  Such that we can add new helpers into GHC.InfoProv.Types without
  breakage.
  

• 6948e24d
  by Ben Gamari at 2024-03-09T09:39:20-05:00

  rts: Lazily decode IPE tables
  
  Previously we would eagerly allocate `InfoTableEnt`s for each
  info table registered in the info table provenance map. However, this
  costs considerable memory and initialization time. Instead we now
  lazily decode these tables. This allows us to use one-third the memory
  *and* opens the door to taking advantage of sharing opportunities within
  a module.
  
  This required considerable reworking since lookupIPE now must be passed
  its result buffer.
  

• 9204a04e
  by Ben Gamari at 2024-03-09T09:39:20-05:00

  rts/IPE: Don't expose helper in header
  

• 308926ff
  by Ben Gamari at 2024-03-09T09:39:20-05:00

  rts/IPE: Share module_name within a Node
  
  This allows us to shave a 64-bit word off of the packed IPE entry size.
  

• bebdea05
  by Ben Gamari at 2024-03-09T09:39:20-05:00

  IPE: Expose unit ID in InfoTableProv
  
  Here we add the unit ID to the info table provenance structure.
  

• 6519c9ad
  by Ben Gamari at 2024-03-09T09:39:35-05:00

  rts: Refactor GHC.Stack.CloneStack.decode
  
  Don't allocate a Ptr constructor per frame.
  

• ed0b69dc
  by Ben Gamari at 2024-03-09T09:39:35-05:00

  base: Do not expose whereFrom# from GHC.Exts
  

• 2b1faea9
  by Vladislav Zavialov at 2024-03-09T17:38:21-05:00

  docs: Update info on TypeAbstractions
  
  * Mention TypeAbstractions in 9.10.1-notes.rst
  * Set the status to "Experimental".
  * Add a "Since: GHC 9.x" comment to each section.
  

• f8b88918
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  ci-images: Bump Alpine image to bootstrap with 9.8.2
  

• 705e6927
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  testsuite: Mark T24171 as fragile due to #24512
  
  I will fix this but not in time for 9.10.1-alpha1
  

• c74196e1
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  testsuite: Mark linker_unload_native as fragile
  
  In particular this fails on platforms without `dlinfo`. I plan to
  address this but not before 9.10.1-alpha1.
  

• f4d87f7a
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  configure: Bump version to 9.10
  

• 88df9a5f
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  Bump transformers submodule to 0.6.1.1
  

• 8176d5e8
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  testsuite: Increase ulimit for T18623
  
  1 MByte was just too tight and failed intermittently on some platforms
  (e.g. CentOS 7). Bumping the limit to 8 MByte should provide sufficient
  headroom.
  
  Fixes #23139.
  

• c74b38a3
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  base: Bump version to 4.20.0.0
  

• b2937fc3
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  ghc-internal: Set initial version at 9.1001.0
  
  This provides PVP compliance while maintaining a clear correspondence
  between GHC releases and `ghc-internal` versions.
  

• 4ae7d868
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  ghc-prim: Bump version to 0.11.0
  

• 50798dc6
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  template-haskell: Bump version to 2.22.0.0
  

• 8564f976
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  base-exports: Accommodate spurious whitespace changes in 32-bit output
  
  It appears that this was
  

• 9d4f0e98
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  users-guide: Move exception backtrace relnotes to 9.10
  
  This was previously mistakenly added to the GHC 9.8 release notes.
  

• 145eae60
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  gitlab/rel_eng: Fix name of Rocky8 artifact
  

• 39c2a630
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  gitlab/rel_eng: Fix path of generate_jobs_metadata
  

• aed034de
  by Ben Gamari at 2024-03-09T21:21:46-05:00

  gitlab/upload: Rework recompression
  
  The old `combine` approach was quite fragile due to use of filename
  globbing. Moreover, it didn't parallelize well. This refactoring
  makes the goal more obvious, parallelizes better, and is more robust.
  

• 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
  

• dc207d06
  by Ben Gamari at 2024-03-10T08:56:08-04:00

  configure: Bump GHC version to 9.11
  
  Bumps haddock submodule.
  

• 8b2513e8
  by Ben Gamari at 2024-03-11T01:20:03-04:00

  rts/linker: Don't unload code when profiling is enabled
  
  The heap census may contain references (e.g. `Counter.identity`) to
  static data which must be available when the census is reported at the
  end of execution.
  
  Fixes #24512.
  

• 7810b4c3
  by Ben Gamari at 2024-03-11T01:20:03-04:00

  rts/linker: Don't unload native objects when dlinfo isn't available
  
  To do so is unsafe as we have no way of identifying references to
  symbols provided by the object.
  
  Fixes #24513. Fixes #23993.
  

• 0590764c
  by Ben Gamari at 2024-03-11T01:20:39-04:00

  rel_eng/upload: Purge both $rel_name/ and $ver/
  
  This is necessary for prereleases, where GHCup accesses the release via
  `$ver/`
  

• b85a4631
  by Brandon Chinn at 2024-03-12T19:25:56-04:00

  Remove duplicate code normalising slashes
  

• c91946f9
  by Brandon Chinn at 2024-03-12T19:25:56-04:00

  Simplify regexes with raw strings
  

• 1a5f53c6
  by Brandon Chinn at 2024-03-12T19:25:57-04:00

  Don't normalize backslashes in characters
  

• 7ea971d3
  by Andrei Borzenkov at 2024-03-12T19:26:32-04:00

  Fix compiler crash caused by implicit RHS quantification in type synonyms (#24470)
  

• 39f3ac3e
  by Cheng Shao at 2024-03-12T19:27:11-04:00

  Revert "compiler: make genSym use C-based atomic increment on non-JS 32-bit platforms"
  
  This reverts commit 615eb855416ce536e02ed935ecc5a6f25519ae16. It was
  originally intended to fix #24449, but it was merely sweeping the bug
  under the rug. 3836a110577b5c9343915fd96c1b2c64217e0082 has properly
  fixed the fragile test, and we no longer need the C version of genSym.
  Furthermore, the C implementation causes trouble when compiling with
  clang that targets i386 due to alignment warning and libatomic linking
  issue, so it makes sense to revert it.
  

• e6bfb85c
  by Cheng Shao at 2024-03-12T19:27:11-04:00

  compiler: fix out-of-bound memory access of genSym on 32-bit
  
  This commit fixes an unnoticed out-of-bound memory access of genSym on
  32-bit. ghc_unique_inc is 32-bit sized/aligned on 32-bit platforms,
  but we mistakenly treat it as a Word64 pointer in genSym, and
  therefore will accidentally load 2 garbage higher bytes, or with a
  small but non-zero chance, overwrite something else in the data
  section depends on how the linker places the data segments. This
  regression was introduced in !11802 and fixed here.
  

• 77171cd1
  by Ben Orchard at 2024-03-14T09:00:40-04:00

  Note mutability of array and address access primops
  
  Without an understanding of immutable vs. mutable memory, the index
  primop family have a potentially non-intuitive type signature:
  
      indexOffAddr :: Addr# -> Int# -> a
      readOffAddr  :: Addr# -> Int# -> State# d -> (# State# d, a #)
  
  indexOffAddr# might seem like a free generality improvement, which it
  certainly is not!
  
  This change adds a brief note on mutability expectations for most
  index/read/write access primops.
  

• 7da7f8f6
  by Alan Zimmerman at 2024-03-14T09:01:15-04:00

  EPA: Fix regression discarding comments in contexts
  
  Closes #24533
  

• 73be65ab
  by Fendor at 2024-03-19T01:42:53-04:00

  Fix sharing of 'IfaceTyConInfo' during core to iface type translation
  
  During heap analysis, we noticed that during generation of
  'mi_extra_decls' we have lots of duplicates for the instances:
  
  * `IfaceTyConInfo NotPromoted IfaceNormalTyCon`
  * `IfaceTyConInfo IsPromoted IfaceNormalTyCon`
  
  which should be shared instead of duplicated. This duplication increased
  the number of live bytes by around 200MB while loading the agda codebase
  into GHCi.
  
  These instances are created during `CoreToIface` translation, in
  particular `toIfaceTyCon`.
  
  The generated core looks like:
  
      toIfaceTyCon
        = \ tc_sjJw ->
            case $wtoIfaceTyCon tc_sjJw of
            { (# ww_sjJz, ww1_sjNL, ww2_sjNM #) ->
            IfaceTyCon ww_sjJz (IfaceTyConInfo ww1_sjNL ww2_sjNM)
            }
  
  whichs removes causes the sharing to work propery.
  
  Adding explicit sharing, with NOINLINE annotations, changes the core to:
  
      toIfaceTyCon
        = \ tc_sjJq ->
            case $wtoIfaceTyCon tc_sjJq of { (# ww_sjNB, ww1_sjNC #) ->
            IfaceTyCon ww_sjNB ww1_sjNC
            }
  
  which looks much more like sharing is happening.
  We confirmed via ghc-debug that all duplications were eliminated and the
  number of live bytes are noticeably reduced.
  

• bd8209eb
  by Alan Zimmerman at 2024-03-19T01:43:28-04:00

  EPA: Address more 9.10.1-alpha1 regressions from recent changes
  
  Closes #24533
  Hopefully for good this time
  

• 31bf85ee
  by Fendor at 2024-03-19T14:48:08-04:00

  Escape multiple arguments in the settings file
  
  Uses responseFile syntax.
  
  The issue arises when GHC is installed on windows into a location that
  has a space, for example the user name is 'Fake User'.
  The $topdir will also contain a space, consequentially.
  When we resolve the top dir in the string `-I$topdir/mingw/include`,
  then `words` will turn this single argument into `-I/C/Users/Fake` and
  `User/.../mingw/include` which trips up the flag argument parser of
  various tools such as gcc or clang.
  We avoid this by escaping the $topdir before replacing it in
  `initSettngs`.
  Additionally, we allow to escape spaces and quotation marks for
  arguments in `settings` file.
  
  Add regression test case to count the number of options after variable
  expansion and argument escaping took place.
  Additionally, we check that escaped spaces and double quotation marks are
  correctly parsed.
  

• f45f700e
  by Matthew Pickering at 2024-03-19T14:48:44-04:00

  Read global package database from settings file
  
  Before this patch, the global package database was always assumed to be
  in libdir </> package.conf.d.
  
  This causes issues in GHC's build system because there are sometimes
  situations where the package database you need to use is not located in
  the same place as the settings file.
  
  * The stage1 compiler needs to use stage1 libraries, so we should set
    "Global Package DB" for the stage1 compiler to the stage1 package
    database.
  * Stage 2 cross compilers need to use stage2 libraries, so likewise, we
    should set the package database path to `_build/stage2/lib/`
  
  * The normal situation is where the stage2 compiler uses stage1
    libraries. Then everything lines up.
  
  * When installing we have rearranged everything so that the settings
    file and package database line up properly, so then everything should
    continue to work as before. In this case we set the relative package
    db path to `package.conf.d`, so it resolves the same as before.
  
  * ghc-pkg needs to be modified as well to look in the settings file fo
    the package database rather than assuming the global package database
    location relative to the lib folder.
  
  * Cabal/cabal-install will work correctly because they query the global
    package database using `--print-global-package-db`.
  
  A reasonable question is why not generate the "right" settings files in
  the right places in GHC's build system. In order to do this you would
  need to engineer wrappers for all executables to point to a specific
  libdir. There are also situations where the same package db is used by
  two different compilers with two different settings files (think stage2
  cross compiler and stage3 compiler).
  
  In short, this 10 line patch allows for some reasonable simplifications
  in Hadrian at very little cost to anything else.
  
  Fixes #24502
  

• 4c8f1794
  by Matthew Pickering at 2024-03-19T14:48:44-04:00

  hadrian: Remove stage1 testsuite wrappers logic
  
  Now instead of producing wrappers which pass the global package database
  argument to ghc and ghc-pkg, we write the location of the correct
  package database into the settings file so you can just use the intree
  compiler directly.
  

• da0d8ba5
  by Matthew Craven at 2024-03-19T14:49:20-04:00

  Remove unused ghc-internal module "GHC.Internal.Constants"
  

• b56d2761
  by Matthew Craven at 2024-03-19T14:49:20-04:00

  CorePrep: Rework lowering of BigNat# literals
  
  Don't use bigNatFromWord#, because that's terrible:
   * We shouldn't have to traverse a linked list at run-time
     to build a BigNat# literal. That's just silly!
   * The static List object we have to create is much larger
     than the actual BigNat#'s contents, bloating code size.
   * We have to read the corresponding interface file,
     which causes un-tracked implicit dependencies. (#23942)
  
  Instead, encode them into the appropriate platform-dependent
  sequence of bytes, and generate code that copies these bytes
  at run-time from an Addr# literal into a new ByteArray#.
  A ByteArray# literal would be the correct thing to generate,
  but these are not yet supported; see also #17747.
  
  Somewhat surprisingly, this change results in a slight
  reduction in compiler allocations, averaging around 0.5%
  on ghc's compiler performance tests, including when compiling
  programs that contain no bignum literals to begin with.
  The specific cause of this has not been investigated.
  
  Since this lowering no longer reads the interface file for
  GHC.Num.BigNat, the reasoning in Note [Depend on GHC.Num.Integer]
  is obsoleted.  But the story of un-tracked built-in dependencies
  remains complex, and Note [Tracking dependencies on primitives]
  now exists to explain this complexity.
  
  Additionally, many empty imports have been modified to refer to
  this new note and comply with its guidance.  Several empty imports
  necessary for other reasons have also been given brief explanations.
  
  Metric Decrease:
      MultiLayerModulesTH_OneShot
  

• 349ea330
  by Fendor at 2024-03-19T14:50:00-04:00

  Eliminate thunk in 'IfaceTyCon'
  
  Heap analysis showed that `IfaceTyCon` retains a thunk to
  `IfaceTyConInfo`, defeating the sharing of the most common instances of
  `IfaceTyConInfo`.
  We make sure the indirection is removed by adding bang patterns to
  `IfaceTyCon`.
  
  Experimental results on the agda code base, where the `mi_extra_decls`
  were read from disk:
  
  Before this change, we observe around 8654045 instances of:
  
  `IfaceTyCon[Name,THUNK_1_0]`
  
  But these thunks almost exclusively point to a shared value!
  
  Forcing the thunk a little bit more, leads to `ghc-debug` reporting:
  
  `IfaceTyCon[Name:Name,IfaceTyConInfo]`
  
  and a noticeable reduction of live bytes (on agda ~10%).
  

• 594bee0b
  by Krzysztof Gogolewski at 2024-03-19T14:50:36-04:00

  Minor misc cleanups
  
  - GHC.HsToCore.Foreign.JavaScript: remove dropRuntimeRepArgs;
    boxed tuples don't take RuntimeRep args
  - GHC.HsToCore.Foreign.Call: avoid partial pattern matching
  - GHC.Stg.Unarise: strengthen the assertion; we can assert that
    non-rubbish literals are unary rather than just non-void
  - GHC.Tc.Gen.HsType: make sure the fsLit "literal" rule fires
  - users_guide/using-warnings.rst: remove -Wforall-identifier,
    now deprecated and does nothing
  - users_guide/using.rst: fix formatting
  - andy_cherry/test.T: remove expect_broken_for(23272...), 23272 is fixed
  
  The rest are simple cleanups.
  

• cf55a54b
  by Ben Gamari at 2024-03-19T14:51:12-04:00

  mk/relpath: Fix quoting
  
  Previously there were two instances in this script which lacked proper
  quoting. This resulted in `relpath` invocations in the binary
  distribution Makefile producing incorrect results on Windows, leading to
  confusing failures from `sed` and the production of empty package
  registrations.
  
  Fixes #24538.
  

• 5ff88389
  by Bryan Richter at 2024-03-19T14:51:48-04:00

  testsuite: Disable T21336a on wasm
  

• 60023351
  by Ben Gamari at 2024-03-19T22:33:10-04:00

  hadrian/bindist: Eliminate extraneous `dirname` invocation
  
  Previously we would call `dirname` twice per installed library file.
  We now instead reuse this result. This helps appreciably on Windows, where
  processes are quite expensive.
  

• 616ac300
  by Ben Gamari at 2024-03-19T22:33:10-04:00

  hadrian: Package mingw toolchain in expected location
  
  This fixes #24525, a regression due to 41cbaf44a6ab5eb9fa676d65d32df8377898dc89.
  Specifically, GHC expects to find the mingw32 toolchain in the binary distribution
  root. However, after this patch it was packaged in the `lib/` directory.
  

• de9daade
  by Ben Gamari at 2024-03-19T22:33:11-04:00

  gitlab/rel_eng: More upload.sh tweaks
  

• 1dfe12db
  by Ben Gamari at 2024-03-19T22:33:11-04:00

  rel_eng: Drop dead prepare_docs codepath
  

• dd2d748b
  by Ben Gamari at 2024-03-19T22:33:11-04:00

  rel_env/recompress_all: unxz before recompressing
  
  Previously we would rather compress the xz *again*, before in addition
  compressing it with the desired scheme.
  
  Fixes #24545.
  

• 9d936c57
  by Ben Gamari at 2024-03-19T22:33:11-04:00

  mk-ghcup-metadata: Fix directory of testsuite tarball
  
  As reported in #24546, the `dlTest` artifact should be extracted into
  the `testsuite` directory.
  

• 6d398066
  by Ben Gamari at 2024-03-19T22:33:11-04:00

  ghcup-metadata: Don't populate dlOutput unless necessary
  
  ghcup can apparently infer the output name of an artifact from its URL.
  Consequently, we should only include the `dlOutput` field when it would
  differ from the filename of `dlUri`.
  
  Fixes #24547.
  

• 576f8b7e
  by Zubin Duggal at 2024-03-19T22:33:46-04:00

  Revert "Apply shellcheck suggestion to SUBST_TOOLDIR"
  
  This reverts commit c82770f57977a2b5add6e1378f234f8dd6153392.
  
  The shellcheck suggestion is spurious and results in SUBST_TOOLDIR being a
  no-op. `set` sets positional arguments for bash, but we want to set the variable
  given as the first autoconf argument.
  
  Fixes #24542
  
  Metric decreases because the paths in the settings file are now shorter,
  so we allocate less when we read the settings file.
  
  -------------------------
  Metric Decrease:
      T12425
      T13035
      T9198
  -------------------------
  

• cdfe6e01
  by Fendor at 2024-03-19T22:34:22-04:00

  Compact serialisation of IfaceAppArgs
  
  In #24563, we identified that IfaceAppArgs serialisation tags each
  cons cell element with a discriminator byte. These bytes add up
  quickly, blowing up interface files considerably when
  '-fwrite-if-simplified-core' is enabled.
  
  We compact the serialisation by writing out the length of
  'IfaceAppArgs', followed by serialising the elements directly without
  any discriminator byte.
  
  This improvement can decrease the size of some interface files by up
  to 35%.
  

• 97a2bb1c
  by Simon Peyton Jones at 2024-03-20T17:11:29+00:00

  Expand untyped splices in tcPolyExprCheck
  
  Fixes #24559
  

• 5f275176
  by Alan Zimmerman at 2024-03-20T22:44:12-04:00

  EPA: Clean up Exactprint helper functions a bit
  
  - Introduce a helper lens to compose on `EpAnn a` vs `a` versions
  - Rename some prime versions of functions back to non-prime
    They were renamed during the rework
  

• da2a10ce
  by Vladislav Zavialov at 2024-03-20T22:44:48-04:00

  Type operators in promoteOccName (#24570)
  
  Type operators differ from term operators in that they are lexically
  classified as (type) constructors, not as (type) variables.
  
  Prior to this change, promoteOccName did not account for this
  difference, causing a scoping issue that affected RequiredTypeArguments.
  
    type (!@#) = Bool
    f = idee (!@#)      -- Not in scope: ‘!@#’  (BUG)
  
  Now we have a special case in promoteOccName to account for this.
  

• 247fc0fa
  by Preetham Gujjula at 2024-03-21T10:19:18-04:00

  docs: Remove mention of non-existent Ord instance for Complex
  
  The documentation for Data.Complex says that the Ord instance for Complex Float
  is deficient, but there is no Ord instance for Complex a. The Eq instance for
  Complex Float is similarly deficient, so we use that as an example instead.
  

• 6fafc51e
  by Andrei Borzenkov at 2024-03-21T10:19:54-04:00

  Fix TH handling in `pat_to_type_pat` function (#24571)
  
  There was missing case for `SplicePat` in `pat_to_type_at` function,
  hence patterns with splicing that checked against `forall->` doesn't work
  properly because they fall into the "illegal pattern" case.
  
  Code example that is now accepted:
  
    g :: forall a -> ()
    g $([p| a |]) = ()
  

• 52072f8e
  by Sylvain Henry at 2024-03-21T21:01:59-04:00

  Type-check default declarations before deriving clauses (#24566)
  
  See added Note and #24566. Default declarations must be type-checked
  before deriving clauses.
  

• 7dfdf3d9
  by Sylvain Henry at 2024-03-21T21:02:40-04:00

  Lexer: small perf changes
  
  - Use unsafeChr because we know our values to be valid
  - Remove some unnecessary use of `ord` (return Word8 values directly)
  

• 864922ef
  by Sylvain Henry at 2024-03-21T21:02:40-04:00

  JS: fix some comments
  

• 3e0b2b1f
  by Sebastian Graf at 2024-03-21T21:03:16-04:00

  Simplifier: Re-do dependency analysis in abstractFloats (#24551)
  
  In #24551, we abstracted a string literal binding over a type variable,
  triggering a CoreLint error when that binding floated to top-level.
  
  The solution implemented in this patch fixes this by re-doing dependency
  analysis on a simplified recursive let binding that is about to be type
  abstracted, in order to find the minimal set of type variables to abstract over.
  See wrinkle (AB5) of Note [Floating and type abstraction] for more details.
  
  Fixes #24551
  

• 8a8ac65a
  by Matthew Craven at 2024-03-23T00:20:52-04:00

  Improve toInteger @Word32 on 64-bit platforms
  
  On 64-bit platforms, every Word32 fits in an Int, so we can
  convert to Int# without having to perform the overflow check
  integerFromWord# uses internally.
  

• 0c48f2b9
  by Apoorv Ingle at 2024-03-23T00:21:28-04:00

  Fix for #24552 (see testcase T24552)
  
  Fixes for a bug in desugaring pattern synonyms matches, introduced
  while working on  on expanding `do`-blocks in #18324
  
  The `matchWrapper` unecessarily (and incorrectly) filtered out the
  default wild patterns in a match. Now the wild pattern alternative is
  simply ignored by the pm check as its origin is `Generated`.
  The current code now matches the expected semantics according to the language spec.
  

• b72705e9
  by Simon Peyton Jones at 2024-03-23T00:22:04-04:00

  Print more info about kinds in error messages
  
  This fixes #24553, where GHC unhelpfully said
  
    error: [GHC-83865]
      • Expected kind ‘* -> * -> *’, but ‘Foo’ has kind ‘* -> * -> *’
  
  See Note [Showing invisible bits of types in error messages]
  

• 8f7cfc7e
  by Tristan Cacqueray at 2024-03-23T00:22:44-04:00

  docs: remove the don't use float hint
  
  This hint is outdated, ``Complex Float`` are now specialised,
  and the heap space suggestion needs more nuance so it should
  be explained in the unboxed/storable array documentation.
  

• 5bd8ed53
  by Andreas Klebinger at 2024-03-23T16:18:33-04:00

  NCG: Fix a bug in jump shortcutting.
  
  When checking if a jump has more than one destination account for the
  possibility of some jumps not being representable by a BlockId.
  
  We do so by having isJumpishInstr return a `Maybe BlockId` where Nothing
  represents non-BlockId jump destinations.
  
  Fixes #24507
  

• 8d67f247
  by Ben Gamari at 2024-03-23T16:19:09-04:00

  docs: Drop old release notes, add for 9.12.1
  

• 7db8c992
  by Cheng Shao at 2024-03-25T13:45:46-04:00

  rts: fix clang compilation on aarch64
  
  This patch fixes function prototypes in ARMOutlineAtomicsSymbols.h
  which causes "error: address argument to atomic operation must be a
  pointer to _Atomic type" when compiling with clang on aarch64.
  

• 237194ce
  by Sylvain Henry at 2024-03-25T13:46:27-04:00

  Lexer: fix imports for Alex 3.5.1 (#24583)
  

• 810660b7
  by Cheng Shao at 2024-03-25T22:19:16-04:00

  libffi-tarballs: bump libffi-tarballs submodule to libffi 3.4.6
  
  This commit bumps the libffi-tarballs submodule to libffi 3.4.6, which
  includes numerous upstream libffi fixes, especially
  https://github.com/libffi/libffi/issues/760.
  

• d2ba41e8
  by Alan Zimmerman at 2024-03-25T22:19:51-04:00

  EPA: do not duplicate comments in signature RHS
  

• 32a8103f
  by Rodrigo Mesquita at 2024-03-26T21:16:12-04:00

  configure: Use LDFLAGS when trying linkers
  
  A user may configure `LDFLAGS` but not `LD`. When choosing a linker, we
  will prefer `ldd`, then `ld.gold`, then `ld.bfd` -- however, we have to
  check for a working linker. If either of these fail, we try the next in
  line.
  
  However, we were not considering the `$LDFLAGS` when checking if these
  linkers worked. So we would pick a linker that does not support the
  current $LDFLAGS and fail further down the line when we used that linker
  with those flags.
  
  Fixes #24565, where `LDFLAGS=-Wl,-z,pack-relative-relocs` is not
  supported by `ld.gold` but that was being picked still.
  

• bf65a7c3
  by Rodrigo Mesquita at 2024-03-26T21:16:48-04:00

  bindist: Clean xattrs of bin and lib at configure time
  
  For issue #21506, we started cleaning the extended attributes of
  binaries and libraries from the bindist *after* they were installed to
  workaround notarisation (#17418), as part of `make install`.
  
  However, the `ghc-toolchain` binary that is now shipped with the bindist
  must be run at `./configure` time. Since we only cleaned the xattributes
  of the binaries and libs after they were installed, in some situations
  users would be unable to run `ghc-toolchain` from the bindist, failing
  at configure time (#24554).
  
  In this commit we move the xattr cleaning logic to the configure script.
  
  Fixes #24554
  

• cfeb70d3
  by Rodrigo Mesquita at 2024-03-26T21:17:24-04:00

  Revert "NCG: Fix a bug in jump shortcutting."
  
  This reverts commit 5bd8ed53dcefe10b72acb5729789e19ceb22df66.
  
  Fixes #24586
  

• 13223f6d
  by Serge S. Gulin at 2024-03-27T07:28:51-04:00

  JS: `h$rts_isProfiled` is removed from `profiling` and left its version at
  `rts/js/config.js`
  

• 0acfe391
  by Alan Zimmerman at 2024-03-27T07:29:27-04:00

  EPA: Do not extend declaration range for trailine zero len semi
  
  The lexer inserts virtual semicolons having zero width.
  Do not use them to extend the list span of items in a list.
  

• cd0fb82f
  by Alan Zimmerman at 2024-03-27T19:33:08+00:00

  EPA: Fix FamDecl range
  
  The span was incorrect if opt_datafam_kind_sig was empty
  

• f8f384a8
  by Ben Gamari at 2024-03-29T01:23:03-04:00

  Fix type of _get_osfhandle foreign import
  
  Fixes #24601.
  

• 00d3ecf0
  by Alan Zimmerman at 2024-03-29T12:19:10+00:00

  EPA: Extend StringLiteral range to include trailing commas
  
  This goes slightly against the exact printing philosophy where
  trailing decorations should be in an annotation, but the
  practicalities of adding it to the WarningTxt environment, and the
  problems caused by deviating do not make a more principles approach
  worthwhile.
  

• efab3649
  by brandon s allbery kf8nh at 2024-03-31T20:04:01-04:00

  clarify Note [Preproccesing invocations]
  

• c8a4c050
  by Ben Gamari at 2024-04-02T12:50:35-04:00

  rts: Fix TSAN_ENABLED CPP guard
  
  This should be `#if defined(TSAN_ENABLED)`, not `#if TSAN_ENABLED`,
  lest we suffer warnings.
  

• e91dad93
  by Cheng Shao at 2024-04-02T12:50:35-04:00

  rts: fix errors when compiling with TSAN
  
  This commit fixes rts compilation errors when compiling with TSAN:
  
  - xxx_FENCE macros are redefined and trigger CPP warnings.
  - Use SIZEOF_W. WORD_SIZE_IN_BITS is provided by MachDeps.h which
    Cmm.h doesn't include by default.
  

• a9ab9455
  by Cheng Shao at 2024-04-02T12:50:35-04:00

  rts: fix clang-specific errors when compiling with TSAN
  
  This commit fixes clang-specific rts compilation errors when compiling
  with TSAN:
  
  - clang doesn't have -Wtsan flag
  - Fix prototype of ghc_tsan_* helper functions
  - __tsan_atomic_* functions aren't clang built-ins and
    sanitizer/tsan_interface_atomic.h needs to be included
  - On macOS, TSAN runtime library is
    libclang_rt.tsan_osx_dynamic.dylib, not libtsan. -fsanitize-thread
    as a link-time flag will take care of linking the TSAN runtime
    library anyway so remove tsan as an rts extra library
  

• 865bd717
  by Cheng Shao at 2024-04-02T12:50:35-04:00

  compiler: fix github link to __tsan_memory_order in a comment
  

• 07cb627c
  by Cheng Shao at 2024-04-02T12:50:35-04:00

  ci: improve TSAN CI jobs
  
  - Run TSAN jobs with +thread_sanitizer_cmm which enables Cmm
    instrumentation as well.
  - Run TSAN jobs in deb12 which ships gcc-12, a reasonably recent gcc
    that @bgamari confirms he's using in #GHC:matrix.org. Ideally we
    should be using latest clang release for latest improvements in
    sanitizers, though that's left as future work.
  - Mark TSAN jobs as manual+allow_failure in validate pipelines. The
    purpose is to demonstrate that we have indeed at least fixed
    building of TSAN mode in CI without blocking the patch to land, and
    once merged other people can begin playing with TSAN using their own
    dev setups and feature branches.
  

• a1c18c7b
  by Andrei Borzenkov at 2024-04-02T12:51:11-04:00

  Merge tc_infer_hs_type and tc_hs_type into one function using ExpType philosophy (#24299, #23639)
  
  This patch implements refactoring which is a prerequisite to
  updating kind checking of type patterns. This is a huge simplification
  of the main worker that checks kind of HsType.
  
  It also fixes the issues caused by previous code duplication, e.g.
  that we didn't add module finalizers from splices in inference mode.
  

• 817e8936
  by Rodrigo Mesquita at 2024-04-02T20:13:05-04:00

  th: Hide the Language.Haskell.TH.Lib.Internal module from haddock
  
  Fixes #24562
  

• b36ee57b
  by Sylvain Henry at 2024-04-02T20:13:46-04:00

  JS: reenable h$appendToHsString optimization (#24495)
  
  The optimization introducing h$appendToHsString wasn't kicking in
  anymore (while it did in 9.8.1) because of the changes introduced in #23270 (7e0c8b3bab30).
  This patch reenables the optimization by matching on case-expression, as
  done in Cmm for unpackCString# standard thunks.
  
  The test is also T24495 added in the next commits (two commits for ease
  of backporting to 9.8).
  

• 527616e9
  by Sylvain Henry at 2024-04-02T20:13:46-04:00

  JS: fix h$appendToHsString implementation (#24495)
  
  h$appendToHsString needs to wrap its argument in an updatable thunk
  to behave like unpackAppendCString#. Otherwise if a SingleEntry thunk is
  passed, it is stored as-is in a CONS cell, making the resulting list
  impossible to deepseq (forcing the thunk doesn't update the contents of
  the CONS cell)!
  
  The added test checks that the optimization kicks in and that
  h$appendToHsString works as intended.
  
  Fix #24495
  

• faa30b41
  by Simon Peyton Jones at 2024-04-02T20:14:22-04:00

  Deal with duplicate tyvars in type declarations
  
  GHC was outright crashing before this fix: #24604
  

• e0b0c717
  by Simon Peyton Jones at 2024-04-02T20:14:58-04:00

  Try using MCoercion in exprIsConApp_maybe
  
  This is just a simple refactor that makes exprIsConApp_maybe
  a little bit more direct, simple, and efficient.
  
  Metrics: compile_time/bytes allocated
      geo. mean                                          -0.1%
      minimum                                            -2.0%
      maximum                                            -0.0%
  
  Not a big gain, but worthwhile given that the code is, if anything,
  easier to grok.
  

• 15f4d867
  by Duncan Coutts at 2024-04-03T01:27:17-04:00

  Initial ./configure support for selecting I/O managers
  
  In this patch we just define new CPP vars, but don't yet use them
  or replace the existing approach. That will follow.
  
  The intention here is that every I/O manager can be enabled/disabled at
  GHC build time (subject to some constraints). More than one I/O manager
  can be enabled to be built. At least one I/O manager supporting the
  non-threaded RTS must be enabled as well as at least one supporting the
  non-threaded RTS. The I/O managers enabled here will become the choices
  available at runtime at RTS startup (in later patches). The choice can
  be made with RTS flags. There are separate sets of choices for the
  threaded and non-threaded RTS ways, because most I/O managers are
  specific to these ways. Furthermore we must establish a default I/O
  manager for the threaded and non-threaded RTS.
  
  Most I/O managers are platform-specific so there are checks to ensure
  each one can be enabled on the platform. Such checks are also where (in
  future) any system dependencies (e.g. libraries) can be checked.
  
  The output is a set of CPP flags (in the mk/config.h file), with one
  flag per named I/O manager:
  * IOMGR_BUILD_<name>                : which ones should be built (some)
  * IOMGR_DEFAULT_NON_THREADED_<name> : which one is default (exactly one)
  * IOMGR_DEFAULT_THREADED_<name>     : which one is default (exactly one)
  
  and a set of derived flags in IOManager.h
  
  * IOMGR_ENABLED_<name>              : enabled for the current RTS way
  
  Note that IOMGR_BUILD_<name> just says that an I/O manager will be
  built for _some_ RTS way (i.e. threaded or non-threaded). The derived
  flags IOMGR_ENABLED_<name> in IOManager.h say if each I/O manager is
  enabled in the "current" RTS way. These are the ones that can be used
  for conditional compilation of the I/O manager code.
  
  Co-authored-by: Pi Delport <pi@well-typed.com>
  

• 85b0f87a
  by Duncan Coutts at 2024-04-03T01:27:17-04:00

  Change the handling of the RTS flag --io-manager=
  
  Now instead of it being just used on Windows to select between the WinIO
  vs the MIO or Win32-legacy I/O managers, it is now used on all platforms
  for selecting the I/O manager to use.
  
  Right now it remains the case that there is only an actual choice on
  Windows, but that will change later.
  
  Document the --io-manager flag in the user guide.
  
  This change is also reflected in the RTS flags types in the base
  library. Deprecate the export of IoSubSystem from GHC.RTS.Flags with a
  message to import it from GHC.IO.Subsystem.
  
  The way the 'IoSubSystem' is detected also changes. Instead of looking
  at the RTS flag, there is now a C bool global var in the RTS which gets
  set on startup when the I/O manager is selected. This bool var says
  whether the selected I/O manager classifies as "native" on Windows,
  which in practice means the WinIO I/O manager has been selected.
  
  Similarly, the is_io_mng_native_p RTS helper function is re-implemented
  in terms of the selected I/O manager, rather than based on the RTS
  flags.
  
  We do however remove the ./configure --native-io-manager flag because
  we're bringing the WinIO/MIO/Win32-legacy choice under the new general
  scheme for selecting I/O managers, and that new scheme involves no
  ./configure time user choices, just runtime RTS flag choices.
  

• 1a8f020f
  by Duncan Coutts at 2024-04-03T01:27:17-04:00

  Convert {init,stop,exit}IOManager to switch style
  
  Rather than ad-hoc cpp conitionals on THREADED_RTS and mingw32_HOST_OS,
  we use a style where we switch on the I/O manager impl, with cases for
  each I/O manager impl.
  

• a5bad3d2
  by Duncan Coutts at 2024-04-03T01:27:17-04:00

  Split up the CapIOManager content by I/O manager
  
  Using the new IOMGR_ENABLED_<name> CPP defines.
  

• 1d36e609
  by Duncan Coutts at 2024-04-03T01:27:17-04:00

  Convert initIOManagerAfterFork and wakeupIOManager to switch style
  

• c2f26f36
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Move most of waitRead#/Write# from cmm to C
  
  Moves it into the IOManager.c where we can follow the new pattern of
  switching on the selected I/O manager.
  

• 457705a8
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Move most of the delay# impl from cmm to C
  
  Moves it into the IOManager.c where we can follow the new pattern of
  switching on the selected I/O manager.
  
  Uses a new IOManager API: syncDelay, following the naming convention of
  sync* for thread-synchronous I/O & timer/delay operations.
  
  As part of porting from cmm to C, we maintain the rule that the
  why_blocked gets accessed using load acquire and store release atomic
  memory operations. There was one exception to this rule: in the delay#
  primop cmm code on posix (not win32), the why_blocked was being updated
  using a store relaxed, not a store release. I've no idea why. In this
  convesion I'm playing it safe here and using store release consistently.
  

• e93058e0
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  insertIntoSleepingQueue is no longer public
  
  No longer defined in IOManager.h, just a private function in
  IOManager.c. Since it is no longer called from cmm code, just from
  syncDelay. It ought to get moved further into the select() I/O manager
  impl, rather than living in IOManager.c.
  
  On the other hand appendToIOBlockedQueue is still called from cmm code
  in the win32-legacy I/O manager primops async{Read,Write}#, and it is
  also used by the select() I/O manager. Update the CPP and comments to
  reflect this.
  

• 60ce9910
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Move anyPendingTimeoutsOrIO impl from .h to .c
  
  The implementation is eventually going to need to use more private
  things, which will drag in unwanted includes into IOManager.h, so it's
  better to move the impl out of the header file and into the .c file, at
  the slight cost of it no longer being inline.
  
  At the same time, change to the "switch (iomgr_type)" style.
  

• f70b8108
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Take a simpler approach to gcc warnings in IOManager.c
  
  We have lots of functions with conditional implementations for
  different I/O managers. Some functions, for some I/O managers,
  naturally have implementations that do nothing or barf. When only one
  such I/O manager is enabled then the whole function implementation will
  have an implementation that does nothing or barfs. This then results in
  warnings from gcc that parameters are unused, or that the function
  should be marked with attribute noreturn (since barf does not return).
  The USED_IF_THREADS trick for fine-grained warning supression is fine
  for just two cases, but an equivalent here would need
  USED_IF_THE_ONLY_ENABLED_IOMGR_IS_X_OR_Y which would have combinitorial
  blowup. So we take a coarse grained approach and simply disable these
  two warnings for the whole file.
  
  So we use a GCC pragma, with its handy push/pop support:
  
   #pragma GCC diagnostic push
   #pragma GCC diagnostic ignored "-Wsuggest-attribute=noreturn"
   #pragma GCC diagnostic ignored "-Wunused-parameter"
  
  ...
  
   #pragma GCC diagnostic pop
  

• b48805b9
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Add a new trace class for the iomanager
  
  It makes sense now for it to be separate from the scheduler class of
  tracers.
  
  Enabled with +RTS -Do. Document the -Do debug flag in the user guide.
  

• f0c1f862
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Have the throwTo impl go via (new) IOManager APIs
  
  rather than directly operating on the IO manager's data structures.
  
  Specifically, when thowing an async exception to a thread that is
  blocked waiting for I/O or waiting for a timer, then we want to cancel
  that I/O waiting or cancel the timer. Currently this is done directly in
  removeFromQueues() in RaiseAsync.c. We want it to go via proper APIs
  both for modularity but also to let us support multiple I/O managers.
  
  So add sync{IO,Delay}Cancel, which is the cancellation for the
  corresponding sync{IO,Delay}. The implementations of these use the usual
  "switch (iomgr_type)" style.
  

• 4f9e9c4e
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Move awaitEvent into a proper IOManager API
  
  and have the scheduler use it.
  
  Previously the scheduler calls awaitEvent directly, and awaitEvent is
  implemented directly in the RTS I/O managers (select, win32). This
  relies on the old scheme where there's a single active I/O manager for
  each platform and RTS way.
  
  We want to move that to go via an API in IOManager.{h,c} which can then
  call out to the active I/O manager.
  
  Also take the opportunity to split awaitEvent into two. The existing
  awaitEvent has a bool wait parameter, to say if the call should be
  blocking or non-blocking. We split this into two separate functions:
  pollCompletedTimeoutsOrIO and awaitCompletedTimeoutsOrIO. We split them
  for a few reasons: they have different post-conditions (specifically the
  await version is supposed to guarantee that there are threads runnable
  when it completes). Secondly, it is also anticipated that in future I/O
  managers the implementations of the two cases will be simpler if they
  are separated.
  

• 5ad4b30f
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Rename awaitEvent in select and win32 I/O managers
  
  These are now just called from IOManager.c and are the per-I/O manager
  backend impls (whereas previously awaitEvent was the entry point).
  
  Follow the new naming convention in the IOManager.{h,c} of
  awaitCompletedTimeoutsOrIO, with the I/O manager's name as a suffix:
  so awaitCompletedTimeoutsOrIO{Select,Win32}.
  

• d30c6bc6
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Tidy up a couple things in Select.{h,c}
  
  Use the standard #include {Begin,End}Private.h style rather than
  RTS_PRIVATE on individual decls.
  
  And conditionally build the code for the select I/O manager based on
  the new CPP IOMGR_ENABLED_SELECT rather than on THREADED_RTS.
  

• 4161f516
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Add an IOManager API for scavenging TSO blocked_info
  
  When the GC scavenges a TSO it needs to scavenge the tso->blocked_info
  but the blocked_info is a big union and what lives there depends on the
  two->why_blocked, which for I/O-related reasons is something that in
  principle is the responsibility of the I/O manager and not the GC. So
  the right thing to do is for the GC to ask the I/O manager to sscavenge
  the blocked_info if it encounters any I/O-related why_blocked reasons.
  
  So we add scavengeTSOIOManager in IOManager.{h,c} with the usual style.
  
  Now as it happens, right now, there is no special scavenging to do, so
  the implementation of scavengeTSOIOManager is a fancy no-op. That's
  because the select I/O manager uses only the fd and target members,
  which are not GC pointers, and the win32-legacy I/O manager _ought_ to
  be using GC-managed heap objects for the StgAsyncIOResult but it is
  actually usingthe C heap, so again no GC pointers. If the win32-legacy
  were doing this more sensibly, then scavengeTSOIOManager would be the
  right place to do the GC magic.
  
  Future I/O managers will need GC heap objects in the tso->blocked_info
  and will make use of this functionality.
  

• 94a87d21
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Add I/O manager API notifyIOManagerCapabilitiesChanged
  
  Used in setNumCapabilities.
  
  It only does anything for MIO on Posix.
  
  Previously it always invoked Haskell code, but that code only did
  anything on non-Windows (and non-JS), and only threaded. That currently
  effectively means the MIO I/O manager on Posix.
  
  So now it only invokes it for the MIO Posix case.
  

• 3be6d591
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Select an I/O manager early in RTS startup
  
  We need to select the I/O manager to use during startup before the
  per-cap I/O manager initialisation.
  

• aaa294d0
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Make struct CapIOManager be fully opaque
  
  Provide an opaque (forward) definition in Capability.h (since the cap
  contains a *CapIOManager) and then only provide a full definition in
  a new file IOManagerInternals.h. This new file is only supposed to be
  included by the IOManager implementation, not by its users. So that
  means IOManager.c and individual I/O manager implementations.
  
  The posix/Signals.c still needs direct access, but that should be
  eliminated. Anything that needs direct access either needs to be clearly
  part of an I/O manager (e.g. the sleect() one) or go via a proper API.
  

• 877a2a80
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  The select() I/O manager does have some global initialisation
  
  It's just to make sure an exception CAF is a GC root.
  

• 9c51473b
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Add tracing for the main I/O manager actions
  
  Using the new tracer class.
  
  Note: The unconditional definition of showIOManager should be
  compatible with the debugTrace change in 7c7d1f6.
  
  Co-authored-by: Pi Delport <pi@well-typed.com>
  

• c7d3e3a3
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Include the default I/O manager in the +RTS --info output
  
  Document the extra +RTS --info output in the user guide
  

• 8023bad4
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  waitRead# / waitWrite# do not work for win32-legacy I/O manager
  
  Previously it was unclear that they did not work because the code path
  was shared with other I/O managers (in particular select()).
  
  Following the code carefully shows that what actually happens is that
  the calling thread would block forever: the thread will be put into the
  blocked queue, but no other action is scheduled that will ever result in
  it getting unblocked.
  
  It's better to just fail loudly in case anyone accidentally calls it,
  also it's less confusing code.
  

• 83a74d20
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Conditionally ignore some GCC warnings
  
  Some GCC versions don't know about some warnings, and they complain
  that we're ignoring unknown warnings. So we try to ignore the warning
  based on the GCC version.
  

• 1adc6fa4
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Accept changes to base-exports
  
  All the changes are in fact not changes at all.
  
  Previously, the IoSubSystem data type was defined in GHC.RTS.Flags and
  exported from both GHC.RTS.Flags and GHC.IO.SubSystem. Now, the data
  type is defined in GHC.IO.SubSystem and still exported from both
  modules.
  
  Therefore, the same exports and same instances are still available from
  both modules. But the base-exports records only the defining module, and
  so it looks like a change when it is fully compatible.
  
  Related: we do add a deprecation to the export of the type via
  GHC.RTS.Flags, telling people to use the export from GHC.IO.SubSystem.
  
  Also the sort order for some unrelated Show instances changed. No idea
  why.
  
  The same changes apply in the other versions, with a few more changes
  due to sort order weirdness.
  

• 8d950968
  by Duncan Coutts at 2024-04-03T01:27:18-04:00

  Accept metric decrease in T12227
  
  I can't think of any good reason that anything in this MR should have
  changed the number of allocations, up or down.
  
  (Yes this is an empty commit.)
  
  Metric Decrease:
      T12227
  

• e869605e
  by Simon Peyton Jones at 2024-04-03T01:27:55-04:00

  Several improvements to the handling of coercions
  
  * Make `mkSymCo` and `mkInstCo` smarter
    Fixes #23642
  
  * Fix return role of `SelCo` in the coercion optimiser.
    Fixes #23617
  
  * Make the coercion optimiser `opt_trans_rule` work better for newtypes
    Fixes #23619
  

• 1efd0714
  by Simon Peyton Jones at 2024-04-03T01:27:55-04:00

  FloatOut: improve floating for join point
  
  See the new Note [Floating join point bindings].
  
  * Completely get rid of the complicated join_ceiling nonsense, which
    I have never understood.
  
  * Do not float join points at all, except perhaps to top level.
  
  * Some refactoring around wantToFloat, to treat Rec and NonRec more
    uniformly
  

• 9c00154d
  by Simon Peyton Jones at 2024-04-03T01:27:55-04:00

  Improve eta-expansion through call stacks
  
  See Note [Eta expanding through CallStacks] in GHC.Core.Opt.Arity
  
  This is a one-line change, that fixes an inconsistency
  -               || isCallStackPredTy ty
  +               || isCallStackPredTy ty || isCallStackTy ty
  

• 95a9a172
  by Simon Peyton Jones at 2024-04-03T01:27:55-04:00

  Spelling, layout, pretty-printing only
  

• bdf1660f
  by Simon Peyton Jones at 2024-04-03T01:27:55-04:00

  Improve exprIsConApp_maybe a little
  
  Eliminate a redundant case at birth.  This sometimes reduces
  Simplifier iterations.
  
  See Note [Case elim in exprIsConApp_maybe].
  

• 609cd32c
  by Simon Peyton Jones at 2024-04-03T01:27:55-04:00

  Inline GHC.HsToCore.Pmc.Solver.Types.trvVarInfo
  
  When exploring compile-time regressions after meddling with the Simplifier, I
  discovered that GHC.HsToCore.Pmc.Solver.Types.trvVarInfo was very delicately
  balanced.  It's a small, heavily used, overloaded function and it's important
  that it inlines. By a fluke it was before, but at various times in my journey it
  stopped doing so.  So I just added an INLINE pragma to it; no sense in depending
  on a delicately-balanced fluke.
  

• ae24c9bc
  by Simon Peyton Jones at 2024-04-03T01:27:55-04:00

  Slight improvement in WorkWrap
  
  Ensure that WorkWrap preserves lambda binders, in case of join points.  Sadly I
  have forgotten why I made this change (it was while I was doing a lot of
  meddling in the Simplifier, but
    * it does no harm,
    * it is slightly more efficient, and
    * presumably it made something better!
  
  Anyway I have kept it in a separate commit.
  

• e9297181
  by Simon Peyton Jones at 2024-04-03T01:27:55-04:00

  Use named record fields for the CastIt { ... } data constructor
  
  This is a pure refactor
  

• b4581e23
  by Simon Peyton Jones at 2024-04-03T01:27:55-04:00

  Remove a long-commented-out line
  
  Pure refactoring
  

• e026bdf2
  by Simon Peyton Jones at 2024-04-03T01:27:55-04:00

  Simplifier improvements
  
  This MR started as: allow the simplifer to do more in one pass,
  arising from places I could see the simplifier taking two iterations
  where one would do.  But it turned into a larger project, because
  these changes unexpectedly made inlining blow up, especially join
  points in deeply-nested cases.
  
  The main changes are below.  There are also many new or rewritten Notes.
  
  Avoiding simplifying repeatedly
  ~~~~~~~~~~~~~~~
  See Note [Avoiding simplifying repeatedly]
  
  * The SimplEnv now has a seInlineDepth field, which says how deep
    in unfoldings we are.  See Note [Inline depth] in Simplify.Env.
    Currently used only for the next point: avoiding repeatedly
    simplifying coercions.
  
  * Avoid repeatedly simplifying coercions.
    see Note [Avoid re-simplifying coercions] in Simplify.Iteration
    As you'll see from the Note, this makes use of the seInlineDepth.
  
  * Allow Simplify.Iteration.simplAuxBind to inline used-once things.
    This is another part of Note [Post-inline for single-use things], and
    is really good for reducing simplifier iterations in situations like
        case K e of { K x -> blah }
    wher x is used once in blah.
  
  * Make GHC.Core.SimpleOpt.exprIsConApp_maybe do some simple case
    elimination.  Note [Case elim in exprIsConApp_maybe]
  
  * Improve the case-merge transformation:
    - Move the main code to `GHC.Core.Utils.mergeCaseAlts`, to join `filterAlts`
      and friends.  See Note [Merge Nested Cases] in GHC.Core.Utils.
    - Add a new case for `tagToEnum#`; see wrinkle (MC3).
    - Add a new case to look through join points: see wrinkle (MC4)
  
  postInlineUnconditionally
  ~~~~~~~~~~~~~~~~~~~~~~~~~
  * Allow Simplify.Utils.postInlineUnconditionally to inline variables
    that are used exactly once. See Note [Post-inline for single-use things].
  
  * Do not postInlineUnconditionally join point, ever.
    Doing so does not reduce allocation, which is the main point,
    and with join points that are used a lot it can bloat code.
    See point (1) of Note [Duplicating join points] in
    GHC.Core.Opt.Simplify.Iteration.
  
  * Do not postInlineUnconditionally a strict (demanded) binding.
    It will not allocate a thunk (it'll turn into a case instead)
    so again the main point of inlining it doesn't hold.  Better
    to check per-call-site.
  
  * Improve occurrence analyis for bottoming function calls, to help
    postInlineUnconditionally.  See Note [Bottoming function calls]
    in GHC.Core.Opt.OccurAnal
  
  Inlining generally
  ~~~~~~~~~~~~~~~~~~
  * In GHC.Core.Opt.Simplify.Utils.interestingCallContext,
    use RhsCtxt NonRecursive (not BoringCtxt) for a plain-seq case.
    See Note [Seq is boring]  Also, wrinkle (SB1), inline in that
    `seq` context only for INLINE functions (UnfWhen guidance).
  
  * In GHC.Core.Opt.Simplify.Utils.interestingArg,
    - return ValueArg for OtherCon [c1,c2, ...], but
    - return NonTrivArg for OtherCon []
    This makes a function a little less likely to inline if all we
    know is that the argument is evaluated, but nothing else.
  
  * isConLikeUnfolding is no longer true for OtherCon {}.
    This propagates to exprIsConLike.  Con-like-ness has /positive/
    information.
  
  Join points
  ~~~~~~~~~~~
  * Be very careful about inlining join points.
    See these two long Notes
      Note [Duplicating join points] in GHC.Core.Opt.Simplify.Iteration
      Note [Inlining join points] in GHC.Core.Opt.Simplify.Inline
  
  * When making join points, don't do so if the join point is so small
    it will immediately be inlined; check uncondInlineJoin.
  
  * In GHC.Core.Opt.Simplify.Inline.tryUnfolding, improve the inlining
    heuristics for join points. In general we /do not/ want to inline
    join points /even if they are small/.  See Note [Duplicating join points]
    GHC.Core.Opt.Simplify.Iteration.
  
    But sometimes we do: see Note [Inlining join points] in
    GHC.Core.Opt.Simplify.Inline; and the new `isBetterUnfoldingThan` function.
  
  * Do not add an unfolding to a join point at birth.  This is a tricky one
    and has a long Note [Do not add unfoldings to join points at birth]
    It shows up in two places
    - In `mkDupableAlt` do not add an inlining
    - (trickier) In `simplLetUnfolding` don't add an unfolding for a
      fresh join point
    I am not fully satisifed with this, but it works and is well documented.
  
  * In GHC.Core.Unfold.sizeExpr, make jumps small, so that we don't penalise
    having a non-inlined join point.
  
  Performance changes
  ~~~~~~~~~~~~~~~~~~~
  * Binary sizes fall by around 2.6%, according to nofib.
  
  * Compile times improve slightly. Here are the figures over 1%.
  
    I investiate the biggest differnce in T18304. It's a very small module, just
    a few hundred nodes. The large percentage difffence is due to a single
    function that didn't quite inline before, and does now, making code size a
    bit bigger.  I decided gains outweighed the losses.
  
      Metrics: compile_time/bytes allocated (changes over +/- 1%)
      ------------------------------------------------
             CoOpt_Singletons(normal)   -9.2% GOOD
                  LargeRecord(normal)  -23.5% GOOD
  MultiComponentModulesRecomp(normal)   +1.2%
  MultiLayerModulesTH_OneShot(normal)   +4.1%  BAD
                    PmSeriesS(normal)   -3.8%
                    PmSeriesV(normal)   -1.5%
                       T11195(normal)   -1.3%
                       T12227(normal)  -20.4% GOOD
                       T12545(normal)   -3.2%
                       T12707(normal)   -2.1% GOOD
                       T13253(normal)   -1.2%
                   T13253-spj(normal)   +8.1%  BAD
                       T13386(normal)   -3.1% GOOD
                       T14766(normal)   -2.6% GOOD
                       T15164(normal)   -1.4%
                       T15304(normal)   +1.2%
                       T15630(normal)   -8.2%
                      T15630a(normal)          NEW
                       T15703(normal)  -14.7% GOOD
                       T16577(normal)   -2.3% GOOD
                       T17516(normal)  -39.7% GOOD
                       T18140(normal)   +1.2%
                       T18223(normal)  -17.1% GOOD
                       T18282(normal)   -5.0% GOOD
                       T18304(normal)  +10.8%  BAD
                       T18923(normal)   -2.9% GOOD
                        T1969(normal)   +1.0%
                       T19695(normal)   -1.5%
                       T20049(normal)  -12.7% GOOD
                      T21839c(normal)   -4.1% GOOD
                        T3064(normal)   -1.5%
                        T3294(normal)   +1.2%  BAD
                        T4801(normal)   +1.2%
                        T5030(normal)  -15.2% GOOD
                     T5321Fun(normal)   -2.2% GOOD
                        T6048(optasm)  -16.8% GOOD
                         T783(normal)   -1.2%
                        T8095(normal)   -6.0% GOOD
                        T9630(normal)   -4.7% GOOD
                        T9961(normal)   +1.9%  BAD
                        WWRec(normal)   -1.4%
          info_table_map_perf(normal)   -1.3%
                   parsing001(normal)   +1.5%
  
                            geo. mean   -2.0%
                            minimum    -39.7%
                            maximum    +10.8%
  
  * Runtimes generally improve. In the testsuite perf/should_run gives:
     Metrics: runtime/bytes allocated
     ------------------------------------------
               Conversions(normal)   -0.3%
                   T13536a(optasm)  -41.7% GOOD
                     T4830(normal)   -0.1%
             haddock.Cabal(normal)   -0.1%
              haddock.base(normal)   -0.1%
          haddock.compiler(normal)   -0.1%
  
                         geo. mean   -0.8%
                         minimum    -41.7%
                         maximum     +0.0%
  
  * For runtime, nofib is a better test.  The news is mostly good.
    Here are the number more than +/- 0.1%:
  
      # bytes allocated
      ==========================++==========
         imaginary/digits-of-e1 ||  -14.40%
         imaginary/digits-of-e2 ||   -4.41%
            imaginary/paraffins ||   -0.17%
                 imaginary/rfib ||   -0.15%
         imaginary/wheel-sieve2 ||   -0.10%
                  real/compress ||   -0.47%
                     real/fluid ||   -0.10%
                    real/fulsom ||   +0.14%
                    real/gamteb ||   -1.47%
                        real/gg ||   -0.20%
                     real/infer ||   +0.24%
                       real/pic ||   -0.23%
                    real/prolog ||   -0.36%
                       real/scs ||   -0.46%
                   real/smallpt ||   +4.03%
          shootout/k-nucleotide ||  -20.23%
                shootout/n-body ||   -0.42%
         shootout/spectral-norm ||   -0.13%
                spectral/boyer2 ||   -3.80%
           spectral/constraints ||   -0.27%
            spectral/hartel/ida ||   -0.82%
                  spectral/mate ||  -20.34%
                  spectral/para ||   +0.46%
               spectral/rewrite ||   +1.30%
                spectral/sphere ||   -0.14%
      ==========================++==========
                      geom mean ||   -0.59%
  
      real/smallpt has a huge nest of local definitions, and I
      could not pin down a reason for a regression.  But there are
      three big wins!
  
  Metric Decrease:
      CoOpt_Singletons
      LargeRecord
      T12227
      T12707
      T13386
      T13536a
      T14766
      T15703
      T16577
      T17516
      T18223
      T18282
      T18923
      T21839c
      T20049
      T5321Fun
      T5030
      T6048
      T8095
      T9630
      T783
  Metric Increase:
      MultiLayerModulesTH_OneShot
      T13253-spj
      T18304
      T18698a
      T9961
      T3294
  

• 27db3c5e
  by Simon Peyton Jones at 2024-04-03T01:27:55-04:00

  Testsuite message changes from simplifier improvements
  

• 271a7812
  by Simon Peyton Jones at 2024-04-03T01:27:55-04:00

  Account for bottoming functions in OccurAnal
  
  This fixes #24582, a small but long-standing bug
  

• 0fde229f
  by Ben Gamari at 2024-04-04T07:04:58-04:00

  testsuite: Introduce template-haskell-exports test
  

• 0c4a9686
  by Luite Stegeman at 2024-04-04T07:05:39-04:00

  Update correct counter in bumpTickyAllocd
  

• 5f085d3a
  by Fendor at 2024-04-04T14:47:33-04:00

  Replace `SizedSeq` with `FlatBag` for flattened structure
  
  LinkedLists are notoriously memory ineffiecient when all we do is
  traversing a structure.
  As 'UnlinkedBCO' has been identified as a data structure that impacts
  the overall memory usage of GHCi sessions, we avoid linked lists and
  prefer flattened structure for storing.
  
  We introduce a new memory efficient representation of sequential
  elements that has special support for the cases:
  
  * Empty
  * Singleton
  * Tuple Elements
  
  This improves sharing in the 'Empty' case and avoids the overhead of
  'Array' until its constant overhead is justified.
  

• 82cfe10c
  by Fendor at 2024-04-04T14:47:33-04:00

  Compact FlatBag array representation
  
  `Array` contains three additional `Word`'s we do not need in `FlatBag`. Move
  `FlatBag` to `SmallArray`.
  
  Expand the API of SmallArray by `sizeofSmallArray` and add common
  traversal functions, such as `mapSmallArray` and `foldMapSmallArray`.
  Additionally, allow users to force the elements of a `SmallArray`
  via `rnfSmallArray`.
  

• 36a75b80
  by Andrei Borzenkov at 2024-04-04T14:48:10-04:00

  Change how invisible patterns represented in  haskell syntax and TH AST (#24557)
  
  Before this patch:
    data ArgPat p
      = InvisPat (LHsType p)
      | VisPat (LPat p)
  
  With this patch:
    data Pat p
      = ...
      | InvisPat (LHsType p)
      ...
  
  And the same transformation in the TH land. The rest of the
  changes is just updating code to handle new AST and writing tests
  to check if it is possible to create invalid states using TH.
  
  Metric Increase:
      MultiLayerModulesTH_OneShot
  

• 28009fbc
  by Matthew Pickering at 2024-04-04T14:48:46-04:00

  Fix off by one error in seekBinNoExpand and seekBin
  

• 9b9e031b
  by Ben Gamari at 2024-04-04T21:30:08-04:00

  compiler: Allow more types in GHCForeignImportPrim
  
  For many, many years `GHCForeignImportPrim` has suffered from the rather
  restrictive limitation of not allowing any non-trivial types in arguments
  or results. This limitation was justified by the code generator allegely
  barfing in the presence of such types.
  
  However, this restriction appears to originate well before the NCG
  rewrite and the new NCG does not appear to have any trouble with such
  types (see the added `T24598` test). Lift this restriction.
  
  Fixes #24598.
  

• 1324b862
  by Alan Zimmerman at 2024-04-04T21:30:44-04:00

  EPA: Use EpaLocation not SrcSpan in ForeignDecls
  
  This allows us to update them for makeDeltaAst in ghc-exactprint
  

• 19883a23
  by Alan Zimmerman at 2024-04-05T16:58:17-04:00

  EPA: Use EpaLocation for RecFieldsDotDot
  
  So we can update it to a delta position in makeDeltaAst if needed.
  

• e8724327
  by Matthew Pickering at 2024-04-05T16:58:53-04:00

  Remove accidentally committed test.hs
  

• 88cb3e10
  by Fendor at 2024-04-08T09:03:34-04:00

  Avoid UArray when indexing is not required
  
  `UnlinkedBCO`'s can occur many times in the heap. Each `UnlinkedBCO`
  references two `UArray`'s but never indexes them. They are only needed
  to encode the elements into a `ByteArray#`. The three words for
  the lower bound, upper bound and number of elements are essentially
  unused, thus we replace `UArray` with a wrapper around `ByteArray#`.
  This saves us up to three words for each `UnlinkedBCO`.
  
  Further, to avoid re-allocating these words for `ResolvedBCO`, we repeat
  the procedure for `ResolvedBCO` and add custom `Binary` and `Show` instances.
  
  For example, agda's repl session has around 360_000 UnlinkedBCO's,
  so avoiding these three words is already saving us around 8MB residency.
  

• f2cc1107
  by Fendor at 2024-04-08T09:04:11-04:00

  Never UNPACK `FastMutInt` for counting z-encoded `FastString`s
  
  In `FastStringTable`, we count the number of z-encoded FastStrings
  that exist in a GHC session.
  We used to UNPACK the counters to not waste memory, but live retainer
  analysis showed that we allocate a lot of `FastMutInt`s, retained by
  `mkFastZString`.
  
  We lazily compute the `FastZString`, only incrementing the counter when the `FastZString` is
  forced.
  The function `mkFastStringWith` calls `mkZFastString` and boxes the
  `FastMutInt`, leading to the following core:
  
      mkFastStringWith
        = \ mk_fs _  ->
               = case stringTable of
                  { FastStringTable _ n_zencs segments# _ ->
                      ...
                           case ((mk_fs (I# ...) (FastMutInt n_zencs))
                              `cast` <Co:2> :: ...)
                              ...
  
  Marking this field as `NOUNPACK` avoids this reboxing, eliminating the
  allocation of a fresh `FastMutInt` on every `FastString` allocation.
  

• c6def949
  by Matthew Pickering at 2024-04-08T16:06:51-04:00

  Force in_multi to avoid retaining entire hsc_env
  

• fbb91a63
  by Fendor at 2024-04-08T16:06:51-04:00

  Eliminate name thunk in declaration fingerprinting
  
  Thunk analysis showed that we have about 100_000 thunks (in agda and
  `-fwrite-simplified-core`) pointing to the name of the name decl.
  Forcing this thunk fixes this issue.
  
  The thunk created here is retained by the thunk created by forkM, it is
  better to eagerly force this because the result (a `Name`) is already
  retained indirectly via the `IfaceDecl`.
  

• 3b7b0c1c
  by Alan Zimmerman at 2024-04-08T16:07:27-04:00

  EPA: Use EpaLocation in WarningTxt
  
  This allows us to use an EpDelta if needed when using makeDeltaAst.
  

• 12b997df
  by Alan Zimmerman at 2024-04-08T16:07:27-04:00

  EPA: Move DeltaPos and EpaLocation' into GHC.Types.SrcLoc
  
  This allows us to use a NoCommentsLocation for the possibly trailing
  comma location in a StringLiteral.
  This in turn allows us to correctly roundtrip via makeDeltaAst.
  

• 868c8a78
  by Fendor at 2024-04-09T08:51:50-04:00

  Prefer packed representation for CompiledByteCode
  
  As there are many 'CompiledByteCode' objects alive during a GHCi
  session, representing its element in a more packed manner improves space
  behaviour at a minimal cost.
  
  When running GHCi on the agda codebase, we find around 380 live
  'CompiledByteCode' objects. Packing their respective 'UnlinkedByteCode'
  can save quite some pointers.
  

• be3bddde
  by Alan Zimmerman at 2024-04-09T08:52:26-04:00

  EPA: Capture all comments in a ClassDecl
  
  Hopefully the final fix needed for #24533
  

• 3d0806fc
  by Jade at 2024-04-10T05:39:53-04:00

  Validate -main-is flag using parseIdentifier
  
  Fixes #24368
  

• dd530bb7
  by Rodrigo Mesquita at 2024-04-10T05:40:29-04:00

  rts: free error message before returning
  
  Fixes a memory leak in rts/linker/PEi386.c
  

• e008a19a
  by Alexis King at 2024-04-10T05:40:29-04:00

  linker: Avoid linear search when looking up Haskell symbols via dlsym
  
  See the primary Note [Looking up symbols in the relevant objects] for a
  more in-depth explanation.
  
  When dynamically loading a Haskell symbol (typical when running a splice or
  GHCi expression), before this commit we would search for the symbol in
  all dynamic libraries that were loaded. However, this could be very
  inefficient when too many packages are loaded (which can happen if there are
  many package dependencies) because the time to lookup the would be
  linear in the number of packages loaded.
  
  This commit drastically improves symbol loading performance by
  introducing a mapping from units to the handles of corresponding loaded
  dlls. These handles are returned by dlopen when we load a dll, and can
  then be used to look up in a specific dynamic library.
  
  Looking up a given Name is now much more precise because we can get
  lookup its unit in the mapping and lookup the symbol solely in the
  handles of the dynamic libraries loaded for that unit.
  
  In one measurement, the wait time before the expression was executed
  went from +-38 seconds down to +-2s.
  
  This commit also includes Note [Symbols may not be found in pkgs_loaded],
  explaining the fallback to the old behaviour in case no dll can be found
  in the unit mapping for a given Name.
  
  Fixes #23415
  
  Co-authored-by: Rodrigo Mesquita (@alt-romes)
  

• dcfaa190
  by Rodrigo Mesquita at 2024-04-10T05:40:29-04:00

  rts: Make addDLL a wrapper around loadNativeObj
  
  Rewrite the implementation of `addDLL` as a wrapper around the more
  principled `loadNativeObj` rts linker function. The latter should be
  preferred while the former is preserved for backwards compatibility.
  
  `loadNativeObj` was previously only available on ELF platforms, so this
  commit further refactors the rts linker to transform loadNativeObj_ELF
  into loadNativeObj_POSIX, which is available in ELF and MachO platforms.
  
  The refactor made it possible to remove the `dl_mutex` mutex in favour
  of always using `linker_mutex` (rather than a combination of both).
  
  Lastly, we implement `loadNativeObj` for Windows too.
  

• 12931698
  by Rodrigo Mesquita at 2024-04-10T05:40:29-04:00

  Use symbol cache in internal interpreter too
  
  This commit makes the symbol cache that was used by the external
  interpreter available for the internal interpreter too.
  
  This follows from the analysis in #23415 that suggests the internal
  interpreter could benefit from this cache too, and that there is no good
  reason not to have the cache for it too. It also makes it a bit more
  uniform to have the symbol cache range over both the internal and
  external interpreter.
  
  This commit also refactors the cache into a function which is used by
  both `lookupSymbol` and also by `lookupSymbolInDLL`, extending the
  caching logic to `lookupSymbolInDLL` too.
  

• dccd3ea1
  by Ben Gamari at 2024-04-10T05:40:29-04:00

  testsuite: Add test for lookupSymbolInNativeObj
  

• 1b1a92bd
  by Alan Zimmerman at 2024-04-10T05:41:05-04:00

  EPA: Remove unnecessary XRec in CompleteMatchSig
  
  The XRec for [LIdP pass] is not needed for exact printing, remove it.
  

• 6e18ce2b
  by Ben Gamari at 2024-04-12T08:16:09-04:00

  users-guide: Clarify language extension documentation
  
  Over the years the users guide's language extension documentation has
  gone through quite a few refactorings. In the process some of the
  descriptions have been rendered non-sensical. For instance, the
  description of `NoImplicitPrelude` actually describes the semantics of
  `ImplicitPrelude`.
  
  To fix this we:
  
   * ensure that all extensions are named in their "positive" sense (e.g.
     `ImplicitPrelude` rather than `NoImplicitPrelude`).
   * rework the documentation to avoid flag-oriented wording
     like "enable" and "disable"
   * ensure that the polarity of the documentation is consistent with
     reality.
  
  Fixes #23895.
  

• a933aff3
  by Zubin Duggal at 2024-04-12T08:16:45-04:00

  driver: Make `checkHomeUnitsClosed` faster
  
  The implementation of `checkHomeUnitsClosed` was traversing every single path
  in the unit dependency graph - this grows exponentially and quickly grows to be
  infeasible on larger unit dependency graphs.
  
  Instead we replace this with a faster implementation which follows from the
  specificiation of the closure property - there is a closure error if there are
  units which are both are both (transitively) depended upon by home units and
  (transitively) depend on home units, but are not themselves home units.
  
  To compute the set of units required for closure, we first compute the closure
  of the unit dependency graph, then the transpose of this closure, and find all
  units that are reachable from the home units in the transpose of the closure.
  

• 23c3e624
  by Andreas Klebinger at 2024-04-12T08:17:21-04:00

  RTS: Emit warning when -M < -H
  
  Fixes #24487
  

• d23afb8c
  by Ben Gamari at 2024-04-12T08:17:56-04:00

  testsuite: Add broken test for CApiFFI with -fprefer-bytecode
  
  See #24634.
  

• a4bb3a51
  by Ben Gamari at 2024-04-12T08:18:32-04:00

  base: Deprecate GHC.Pack
  
  As proposed in #21461.
  
  Closes #21540.
  

• 55eb8c98
  by Ben Gamari at 2024-04-12T08:19:08-04:00

  ghc-internal: Fix mentions of ghc-internal in deprecation warnings
  
  Closes #24609.
  

• b0fbd181
  by Ben Gamari at 2024-04-12T08:19:44-04:00

  rts: Implement set_initial_registers for AArch64
  
  Fixes #23680.
  

• 14c9ec62
  by Ben Gamari at 2024-04-12T08:20:20-04:00

  ghcup-metadata: Use Debian 9 binaries on Ubuntu 16, 17
  
  Closes #24646.
  

• 35a1621e
  by Ben Gamari at 2024-04-12T08:20:55-04:00

  Bump unix submodule to 2.8.5.1
  
  Closes #24640.
  

• a1c24df0
  by Finley McIlwaine at 2024-04-12T08:21:31-04:00

  Correct default -funfolding-use-threshold in docs
  

• 0255d03c
  by Oleg Grenrus at 2024-04-12T08:22:07-04:00

  FastString is a __Modified__ UTF-8
  

• c3489547
  by Matthew Pickering at 2024-04-12T13:13:44-04:00

  rts: Improve tracing message when nursery is resized
  
  It is sometimes more useful to know how much bigger or smaller the
  nursery got when it is resized.
  
  In particular I am trying to investigate situations where we end up with
  fragmentation due to the nursery (#24577)
  

• 5e4f4ba8
  by Simon Peyton Jones at 2024-04-12T13:14:20-04:00

  Don't generate wrappers for `type data` constructors with StrictData
  
  Previously, the logic for checking if a data constructor needs a wrapper or not
  would take into account whether the constructor's fields have explicit
  strictness (e.g., `data T = MkT !Int`), but the logic would _not_ take into
  account whether `StrictData` was enabled. This meant that something like `type
  data T = MkT Int` would incorrectly generate a wrapper for `MkT` if
  `StrictData` was enabled, leading to the horrible errors seen in #24620. To fix
  this, we disable generating wrappers for `type data` constructors altogether.
  
  Fixes #24620.
  
  Co-authored-by: Ryan Scott <ryan.gl.scott@gmail.com>
  

• 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")
  

• 1de57608
  by Ben Gamari at 2025-07-15T10:04:02-04:00

  compiler: Disable -Wpattern-namespace-specifier
  
  As noted in #26197, this warning adds noise to the build yet isn't
  actionable until 9.18 at the earliest.
  

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• + compiler/GHC/Core/LateCC/Types.hs
• + compiler/GHC/Core/LateCC/Utils.hs
• compiler/GHC/Core/Lint.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/Types.hs
• compiler/GHC/Core/Opt/ConstantFold.hs
• compiler/GHC/Core/Opt/CprAnal.hs
• compiler/GHC/Core/Opt/DmdAnal.hs
• compiler/GHC/Core/Opt/Exitify.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/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/Stats.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/Stats.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/FVs.hs-boot
• 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/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/Prep.hs
• compiler/GHC/Data/Bag.hs
• compiler/GHC/Data/Bitmap.hs
• compiler/GHC/Data/BooleanFormula.hs
• compiler/GHC/Data/EnumSet.hs
• compiler/GHC/Data/FastMutInt.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/Graph/Inductive/PatriciaTree.hs
• compiler/GHC/Data/Graph/UnVar.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/OrdList.hs
• + compiler/GHC/Data/OsPath.hs
• compiler/GHC/Data/Pair.hs
• compiler/GHC/Data/SmallArray.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/Backpack.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/Opt/LiberateCase.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/Diagnostic.hs
• compiler/GHC/Driver/Config/Finder.hs
• compiler/GHC/Driver/Config/HsToCore.hs
• compiler/GHC/Driver/Config/HsToCore/Ticks.hs
• compiler/GHC/Driver/Config/Linker.hs
• compiler/GHC/Driver/Config/Logger.hs
• compiler/GHC/Driver/Config/Parser.hs
• compiler/GHC/Driver/Config/Stg/Pipeline.hs
• compiler/GHC/Driver/Config/StgToCmm.hs
• compiler/GHC/Driver/Config/StgToJS.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/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/Main.hs
• + compiler/GHC/Driver/Main.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/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/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/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.hs-boot
• 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/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/Type.hs-boot
• + 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/JS/Unsat/Syntax.hs
• − compiler/GHC/Linker.hs
• compiler/GHC/Linker/Config.hs
• compiler/GHC/Linker/Deps.hs
• compiler/GHC/Linker/Dynamic.hs
• + compiler/GHC/Linker/External.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/Llvm.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/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/LA64.hs
• − compiler/GHC/Platform/LoongArch64.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/Wasm32.hs
• compiler/GHC/Platform/Ways.hs
• compiler/GHC/Plugins.hs
• compiler/GHC/Prelude/Basic.hs
• compiler/GHC/Rename/Bind.hs
• compiler/GHC/Rename/Doc.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/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/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/Runtime/Utils.hs
• compiler/GHC/Settings.hs
• compiler/GHC/Settings/Constants.hs
• compiler/GHC/Settings/IO.hs
• compiler/GHC/Stg/BcPrep.hs
• compiler/GHC/Stg/CSE.hs
• compiler/GHC/Stg/Debug.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/EnforceEpt/Types.hs
• − compiler/GHC/Stg/InferTags.hs
• − compiler/GHC/Stg/InferTags/Types.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/Sequel.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.hs
• + compiler/GHC/StgToJS/Sinker/Collect.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/Cpp.hs
• − compiler/GHC/SysTools/Info.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/Hole/Plugin.hs-boot
• 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/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/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/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/LclEnv.hs-boot
• 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/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/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/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
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• − libraries/base/GHC/Event/Array.hs
• − libraries/base/GHC/Event/Internal.hs
• − libraries/base/GHC/Event/Internal/Types.hs
• − libraries/base/GHC/Event/Thread.hs
• − libraries/base/GHC/Event/TimeOut.hs
• − libraries/base/GHC/Event/Unique.hs
• − libraries/base/GHC/Event/Windows.hsc
• − libraries/base/GHC/Event/Windows/Clock.hs
• − libraries/base/GHC/Event/Windows/ManagedThreadPool.hs
• − libraries/base/GHC/Event/Windows/Thread.hs
• − libraries/base/GHC/Exception.hs
• − libraries/base/GHC/Exception.hs-boot
• − libraries/base/GHC/Exception/Type.hs
• − libraries/base/GHC/Exception/Type.hs-boot
• − libraries/base/GHC/ExecutionStack.hs
• − libraries/base/GHC/Exts.hs
• − libraries/base/GHC/Fingerprint.hs
• − libraries/base/GHC/Fingerprint/Type.hs
• − libraries/base/GHC/Float.hs
• − libraries/base/GHC/Float/ConversionUtils.hs
• − libraries/base/GHC/Float/RealFracMethods.hs
• − libraries/base/GHC/Foreign.hs
• − libraries/base/GHC/Foreign/Internal.hs
• − libraries/base/GHC/ForeignPtr.hs
• − libraries/base/GHC/GHCi.hs
• − libraries/base/GHC/GHCi/Helpers.hs
• − libraries/base/GHC/Generics.hs
• − libraries/base/GHC/IO.hs
• − libraries/base/GHC/IO.hs-boot
• − libraries/base/GHC/IO/Buffer.hs
• − libraries/base/GHC/IO/BufferedIO.hs
• − libraries/base/GHC/IO/Device.hs
• − libraries/base/GHC/IO/Encoding.hs
• − libraries/base/GHC/IO/Encoding.hs-boot
• − libraries/base/GHC/IO/Encoding/CodePage.hs
• − libraries/base/GHC/IO/Encoding/CodePage/API.hs
• − libraries/base/GHC/IO/Encoding/CodePage/Table.hs
• − libraries/base/GHC/IO/Encoding/Failure.hs
• − libraries/base/GHC/IO/Encoding/Iconv.hs
• − libraries/base/GHC/IO/Encoding/Latin1.hs
• − libraries/base/GHC/IO/Encoding/Types.hs
• − libraries/base/GHC/IO/Encoding/UTF16.hs
• − libraries/base/GHC/IO/Encoding/UTF32.hs
• − libraries/base/GHC/IO/Encoding/UTF8.hs
• − libraries/base/GHC/IO/Exception.hs
• − libraries/base/GHC/IO/Exception.hs-boot
• − libraries/base/GHC/IO/FD.hs
• − libraries/base/GHC/IO/Handle.hs
• − libraries/base/GHC/IO/Handle.hs-boot
• − libraries/base/GHC/IO/Handle/FD.hs
• − libraries/base/GHC/IO/Handle/FD.hs-boot
• − libraries/base/GHC/IO/Handle/Internals.hs
• − libraries/base/GHC/IO/Handle/Lock.hs
• − libraries/base/GHC/IO/Handle/Lock/NoOp.hs
• − libraries/base/GHC/IO/Handle/Lock/Windows.hsc
• − libraries/base/GHC/IO/Handle/Text.hs
• − libraries/base/GHC/IO/Handle/Text.hs-boot
• − libraries/base/GHC/IO/Handle/Types.hs
• − libraries/base/GHC/IO/Handle/Types.hs-boot
• − libraries/base/GHC/IO/Handle/Windows.hs
• − libraries/base/GHC/IO/IOMode.hs
• − libraries/base/GHC/IO/StdHandles.hs
• − libraries/base/GHC/IO/SubSystem.hs
• − libraries/base/GHC/IO/Unsafe.hs
• − libraries/base/GHC/IO/Windows/Encoding.hs
• − libraries/base/GHC/IO/Windows/Paths.hs
• − libraries/base/GHC/IOArray.hs
• − libraries/base/GHC/IOPort.hs
• − libraries/base/GHC/IORef.hs
• − libraries/base/GHC/InfoProv.hsc
• − libraries/base/GHC/Int.hs
• − libraries/base/GHC/Integer.hs
• − libraries/base/GHC/Integer/Logarithms.hs
• − libraries/base/GHC/IsList.hs
• − libraries/base/GHC/Ix.hs
• − libraries/base/GHC/JS/Foreign/Callback.hs
• − libraries/base/GHC/JS/Prim.hs
• − libraries/base/GHC/JS/Prim/Internal.hs
• − libraries/base/GHC/JS/Prim/Internal/Build.hs
• − libraries/base/GHC/List.hs
• − libraries/base/GHC/MVar.hs
• − libraries/base/GHC/Maybe.hs
• − libraries/base/GHC/Natural.hs
• − libraries/base/GHC/Num.hs
• − libraries/base/GHC/OldList.hs
• − libraries/base/GHC/OverloadedLabels.hs
• − libraries/base/GHC/Pack.hs
• − libraries/base/GHC/Profiling.hs
• − libraries/base/GHC/Ptr.hs
• − libraries/base/GHC/Read.hs
• − libraries/base/GHC/Real.hs
• − libraries/base/GHC/Real.hs-boot
• − libraries/base/GHC/Records.hs
• − libraries/base/GHC/ResponseFile.hs
• − libraries/base/GHC/ST.hs
• − libraries/base/GHC/STRef.hs
• − libraries/base/GHC/Show.hs
• − libraries/base/GHC/Stable.hs
• − libraries/base/GHC/StableName.hs
• − libraries/base/GHC/Stack.hs
• − libraries/base/GHC/Stack/CCS.hs-boot
• − libraries/base/GHC/Stack/CloneStack.hs
• − libraries/base/GHC/Stack/Types.hs
• − libraries/base/GHC/StaticPtr.hs
• − libraries/base/GHC/StaticPtr/Internal.hs
• − libraries/base/GHC/Storable.hs
• − libraries/base/GHC/TopHandler.hs
• − libraries/base/GHC/TypeError.hs
• − libraries/base/GHC/TypeLits.hs
• − libraries/base/GHC/TypeLits/Internal.hs
• − libraries/base/GHC/TypeNats.hs
• − libraries/base/GHC/TypeNats/Internal.hs
• − libraries/base/GHC/Unicode.hs
• − libraries/base/GHC/Unicode/Internal/Bits.hs
• − libraries/base/GHC/Unicode/Internal/Char/DerivedCoreProperties.hs
• − libraries/base/GHC/Unicode/Internal/Char/UnicodeData/GeneralCategory.hs
• − libraries/base/GHC/Unicode/Internal/Version.hs
• − libraries/base/GHC/Weak.hs
• − libraries/base/GHC/Weak/Finalize.hs
• − libraries/base/GHC/Windows.hs
• − libraries/base/GHC/Word.hs
• − libraries/base/Numeric.hs
• − libraries/base/Numeric/Natural.hs
• − libraries/base/Prelude.hs
• − libraries/base/System/CPUTime/Utils.hs
• − libraries/base/System/CPUTime/Windows.hsc
• − libraries/base/System/Environment.hs
• − libraries/base/System/Exit.hs
• − libraries/base/System/IO.hs
• − libraries/base/System/IO/Error.hs
• − libraries/base/System/IO/Unsafe.hs
• − libraries/base/System/Info.hs
• − libraries/base/System/Mem.hs
• − libraries/base/System/Mem/StableName.hs
• − libraries/base/System/Mem/Weak.hs
• − libraries/base/System/Posix/Internals.hs
• − libraries/base/System/Posix/Types.hs
• − libraries/base/Text/ParserCombinators/ReadP.hs
• − libraries/base/Text/ParserCombinators/ReadPrec.hs
• − libraries/base/Text/Read.hs
• − libraries/base/Text/Read/Lex.hs
• − libraries/base/Text/Show.hs
• − libraries/base/Type/Reflection.hs
• − libraries/base/Type/Reflection/Unsafe.hs
• − libraries/base/Unsafe/Coerce.hs
• − libraries/base/aclocal.m4
• − libraries/base/base.buildinfo.in
• − libraries/base/base.cabal
• + libraries/base/base.cabal.in
• − libraries/base/cbits/CastFloatWord.cmm
• − libraries/base/cbits/md5.c
• libraries/base/changelog.md
• − libraries/base/configure.ac
• − libraries/base/include/alignment.h
• − libraries/base/include/windows_cconv.h
• − libraries/base/jsbits/base.js
• − libraries/base/prologue.txt
• libraries/base/Control/Applicative.hs → 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/Control/Concurrent/Chan.hs → libraries/base/src/Control/Concurrent/Chan.hs
• + libraries/base/src/Control/Concurrent/MVar.hs
• libraries/base/Control/Concurrent/QSem.hs → libraries/base/src/Control/Concurrent/QSem.hs
• libraries/base/Control/Concurrent/QSemN.hs → libraries/base/src/Control/Concurrent/QSemN.hs
• + libraries/base/src/Control/Exception.hs
• + libraries/base/src/Control/Exception/Annotation.hs
• + libraries/base/src/Control/Exception/Backtrace.hs
• + libraries/base/src/Control/Exception/Base.hs
• + libraries/base/src/Control/Exception/Context.hs
• + libraries/base/src/Control/Monad.hs
• + libraries/base/src/Control/Monad/Fail.hs
• + libraries/base/src/Control/Monad/Fix.hs
• + libraries/base/src/Control/Monad/IO/Class.hs
• + libraries/base/src/Control/Monad/Instances.hs
• + libraries/base/src/Control/Monad/ST.hs
• + libraries/base/src/Control/Monad/ST/Lazy.hs
• + libraries/base/src/Control/Monad/ST/Lazy/Safe.hs
• + libraries/base/src/Control/Monad/ST/Lazy/Unsafe.hs
• + libraries/base/src/Control/Monad/ST/Safe.hs
• + libraries/base/src/Control/Monad/ST/Strict.hs
• + libraries/base/src/Control/Monad/ST/Unsafe.hs
• + libraries/base/src/Control/Monad/Zip.hs
• libraries/base/Data/Array/Byte.hs → libraries/base/src/Data/Array/Byte.hs
• libraries/base/Data/Bifoldable.hs → libraries/base/src/Data/Bifoldable.hs
• libraries/base/Data/Bifoldable1.hs → libraries/base/src/Data/Bifoldable1.hs
• libraries/base/Data/Bifunctor.hs → libraries/base/src/Data/Bifunctor.hs
• libraries/base/Data/Bitraversable.hs → libraries/base/src/Data/Bitraversable.hs
• + libraries/base/src/Data/Bits.hs
• + libraries/base/src/Data/Bool.hs
• + libraries/base/src/Data/Bounded.hs
• + libraries/base/src/Data/Char.hs
• + libraries/base/src/Data/Coerce.hs
• libraries/base/Data/Complex.hs → libraries/base/src/Data/Complex.hs
• + libraries/base/src/Data/Data.hs
• + libraries/base/src/Data/Dynamic.hs
• + libraries/base/src/Data/Either.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/Data/Foldable1.hs → libraries/base/src/Data/Foldable1.hs
• + libraries/base/src/Data/Function.hs
• + libraries/base/src/Data/Functor.hs
• + libraries/base/src/Data/Functor/Classes.hs
• libraries/base/Data/Functor/Compose.hs → libraries/base/src/Data/Functor/Compose.hs
• + libraries/base/src/Data/Functor/Const.hs
• libraries/base/Data/Functor/Contravariant.hs → libraries/base/src/Data/Functor/Contravariant.hs
• + libraries/base/src/Data/Functor/Identity.hs
• libraries/base/Data/Functor/Product.hs → libraries/base/src/Data/Functor/Product.hs
• libraries/base/Data/Functor/Sum.hs → libraries/base/src/Data/Functor/Sum.hs
• + libraries/base/src/Data/IORef.hs
• + libraries/base/src/Data/Int.hs
• + libraries/base/src/Data/Ix.hs
• + libraries/base/src/Data/Kind.hs
• + libraries/base/src/Data/List.hs
• + libraries/base/src/Data/List/NonEmpty.hs
• + libraries/base/src/Data/Maybe.hs
• + libraries/base/src/Data/Monoid.hs
• + libraries/base/src/Data/Ord.hs
• + libraries/base/src/Data/Proxy.hs
• libraries/base/Data/Ratio.hs → libraries/base/src/Data/Ratio.hs
• + libraries/base/src/Data/STRef.hs
• + libraries/base/src/Data/STRef/Lazy.hs
• + libraries/base/src/Data/STRef/Strict.hs
• libraries/base/Data/Semigroup.hs → libraries/base/src/Data/Semigroup.hs
• + libraries/base/src/Data/String.hs
• + libraries/base/src/Data/Traversable.hs
• + libraries/base/src/Data/Tuple.hs
• + libraries/base/src/Data/Type/Bool.hs
• + libraries/base/src/Data/Type/Coercion.hs
• + libraries/base/src/Data/Type/Equality.hs
• + libraries/base/src/Data/Type/Ord.hs
• + libraries/base/src/Data/Typeable.hs
• + libraries/base/src/Data/Unique.hs
• + libraries/base/src/Data/Version.hs
• + libraries/base/src/Data/Void.hs
• + libraries/base/src/Data/Word.hs
• + libraries/base/src/Debug/Trace.hs
• + libraries/base/src/Foreign.hs
• + libraries/base/src/Foreign/C.hs
• + libraries/base/src/Foreign/C/ConstPtr.hs
• + libraries/base/src/Foreign/C/Error.hs
• + libraries/base/src/Foreign/C/String.hs
• + libraries/base/src/Foreign/C/Types.hs
• + libraries/base/src/Foreign/Concurrent.hs
• + libraries/base/src/Foreign/ForeignPtr.hs
• + libraries/base/src/Foreign/ForeignPtr/Safe.hs
• + libraries/base/src/Foreign/ForeignPtr/Unsafe.hs
• + libraries/base/src/Foreign/Marshal.hs
• + libraries/base/src/Foreign/Marshal/Alloc.hs
• + libraries/base/src/Foreign/Marshal/Array.hs
• + libraries/base/src/Foreign/Marshal/Error.hs
• + libraries/base/src/Foreign/Marshal/Pool.hs
• + libraries/base/src/Foreign/Marshal/Safe.hs
• + libraries/base/src/Foreign/Marshal/Unsafe.hs
• + libraries/base/src/Foreign/Marshal/Utils.hs
• + libraries/base/src/Foreign/Ptr.hs
• + libraries/base/src/Foreign/Safe.hs
• + libraries/base/src/Foreign/StablePtr.hs
• + libraries/base/src/Foreign/Storable.hs
• + libraries/base/src/GHC/Arr.hs
• + libraries/base/src/GHC/ArrayArray.hs
• + libraries/base/src/GHC/Base.hs
• + libraries/base/src/GHC/Bits.hs
• + libraries/base/src/GHC/ByteOrder.hs
• + libraries/base/src/GHC/Char.hs
• + libraries/base/src/GHC/Clock.hs
• + libraries/base/src/GHC/Conc.hs
• + libraries/base/src/GHC/Conc/IO.hs
• + libraries/base/src/GHC/Conc/POSIX.hs
• + libraries/base/src/GHC/Conc/POSIX/Const.hs
• + libraries/base/src/GHC/Conc/Signal.hs
• + libraries/base/src/GHC/Conc/Sync.hs
• + libraries/base/src/GHC/Conc/WinIO.hs
• + libraries/base/src/GHC/Conc/Windows.hs
• + libraries/base/src/GHC/ConsoleHandler.hs
• + libraries/base/src/GHC/Constants.hs
• + libraries/base/src/GHC/Desugar.hs
• + libraries/base/src/GHC/Encoding/UTF8.hs
• + libraries/base/src/GHC/Enum.hs
• + libraries/base/src/GHC/Environment.hs
• + libraries/base/src/GHC/Err.hs
• + libraries/base/src/GHC/Event.hs
• + libraries/base/src/GHC/Event/TimeOut.hs
• + libraries/base/src/GHC/Event/Windows.hs
• + libraries/base/src/GHC/Event/Windows/Clock.hs
• + libraries/base/src/GHC/Event/Windows/ConsoleEvent.hs
• + libraries/base/src/GHC/Event/Windows/FFI.hs
• + libraries/base/src/GHC/Event/Windows/ManagedThreadPool.hs
• + libraries/base/src/GHC/Event/Windows/Thread.hs
• + libraries/base/src/GHC/Exception.hs
• + libraries/base/src/GHC/Exception/Type.hs
• + libraries/base/src/GHC/ExecutionStack.hs
• + libraries/base/src/GHC/Exts.hs
• + libraries/base/src/GHC/Fingerprint.hs
• + libraries/base/src/GHC/Fingerprint/Type.hs
• + libraries/base/src/GHC/Float.hs
• + libraries/base/src/GHC/Float/ConversionUtils.hs
• + libraries/base/src/GHC/Float/RealFracMethods.hs
• + libraries/base/src/GHC/Foreign.hs
• + libraries/base/src/GHC/ForeignPtr.hs
• + libraries/base/src/GHC/GHCi.hs
• + libraries/base/src/GHC/GHCi/Helpers.hs
• + libraries/base/src/GHC/Generics.hs
• + libraries/base/src/GHC/IO.hs
• + libraries/base/src/GHC/IO/Buffer.hs
• + libraries/base/src/GHC/IO/BufferedIO.hs
• + libraries/base/src/GHC/IO/Device.hs
• + libraries/base/src/GHC/IO/Encoding.hs
• + libraries/base/src/GHC/IO/Encoding/CodePage.hs
• + libraries/base/src/GHC/IO/Encoding/CodePage/API.hs
• + libraries/base/src/GHC/IO/Encoding/CodePage/Table.hs
• + libraries/base/src/GHC/IO/Encoding/Failure.hs
• + libraries/base/src/GHC/IO/Encoding/Iconv.hs
• + libraries/base/src/GHC/IO/Encoding/Latin1.hs
• + libraries/base/src/GHC/IO/Encoding/Types.hs
• + libraries/base/src/GHC/IO/Encoding/UTF16.hs
• + libraries/base/src/GHC/IO/Encoding/UTF32.hs
• + libraries/base/src/GHC/IO/Encoding/UTF8.hs
• + libraries/base/src/GHC/IO/Exception.hs
• + libraries/base/src/GHC/IO/FD.hs
• + libraries/base/src/GHC/IO/Handle.hs
• + libraries/base/src/GHC/IO/Handle/FD.hs
• + libraries/base/src/GHC/IO/Handle/Internals.hs
• + libraries/base/src/GHC/IO/Handle/Lock.hs
• + libraries/base/src/GHC/IO/Handle/Text.hs
• + libraries/base/src/GHC/IO/Handle/Types.hs
• + libraries/base/src/GHC/IO/Handle/Windows.hs
• + libraries/base/src/GHC/IO/IOMode.hs
• + libraries/base/src/GHC/IO/StdHandles.hs
• + libraries/base/src/GHC/IO/SubSystem.hs
• + libraries/base/src/GHC/IO/Unsafe.hs
• + libraries/base/src/GHC/IO/Windows/Encoding.hs
• + libraries/base/src/GHC/IO/Windows/Handle.hs
• + libraries/base/src/GHC/IO/Windows/Paths.hs
• + libraries/base/src/GHC/IOArray.hs
• + libraries/base/src/GHC/IOPort.hs
• + libraries/base/src/GHC/IORef.hs
• + libraries/base/src/GHC/InfoProv.hs
• + libraries/base/src/GHC/Int.hs
• + libraries/base/src/GHC/Integer.hs
• + libraries/base/src/GHC/Integer/Logarithms.hs
• + libraries/base/src/GHC/IsList.hs
• + libraries/base/src/GHC/Ix.hs
• + libraries/base/src/GHC/JS/Foreign/Callback.hs
• + libraries/base/src/GHC/JS/Prim.hs
• + libraries/base/src/GHC/JS/Prim/Internal.hs
• + libraries/base/src/GHC/JS/Prim/Internal/Build.hs
• + libraries/base/src/GHC/List.hs
• + libraries/base/src/GHC/MVar.hs
• + libraries/base/src/GHC/Maybe.hs
• + libraries/base/src/GHC/Natural.hs
• + libraries/base/src/GHC/Num.hs
• + libraries/base/src/GHC/Num/BigNat.hs
• + libraries/base/src/GHC/Num/Integer.hs
• + libraries/base/src/GHC/Num/Natural.hs
• + libraries/base/src/GHC/OldList.hs
• + libraries/base/src/GHC/OverloadedLabels.hs
• + libraries/base/src/GHC/Profiling.hs
• + libraries/base/src/GHC/Ptr.hs
• + libraries/base/src/GHC/RTS/Flags.hs
• + libraries/base/src/GHC/Read.hs
• + libraries/base/src/GHC/Real.hs
• + libraries/base/src/GHC/Records.hs
• + libraries/base/src/GHC/ResponseFile.hs
• + libraries/base/src/GHC/ST.hs
• + libraries/base/src/GHC/STRef.hs
• + libraries/base/src/GHC/Show.hs
• + libraries/base/src/GHC/Stable.hs
• + libraries/base/src/GHC/StableName.hs
• + libraries/base/src/GHC/Stack.hs
• + libraries/base/src/GHC/Stack/CCS.hs
• + libraries/base/src/GHC/Stack/CloneStack.hs
• + libraries/base/src/GHC/Stack/Types.hs
• + libraries/base/src/GHC/StaticPtr.hs
• + libraries/base/src/GHC/Stats.hs
• + libraries/base/src/GHC/Storable.hs
• + libraries/base/src/GHC/TopHandler.hs
• + libraries/base/src/GHC/TypeError.hs
• + libraries/base/src/GHC/TypeLits.hs
• + libraries/base/src/GHC/TypeNats.hs
• + libraries/base/src/GHC/Unicode.hs
• + libraries/base/src/GHC/Weak.hs
• + libraries/base/src/GHC/Weak/Finalize.hs
• rts/version.c → libraries/base/src/GHC/Weak/Finalizehs
• + libraries/base/src/GHC/Windows.hs
• + libraries/base/src/GHC/Word.hs
• + libraries/base/src/Numeric.hs
• + libraries/base/src/Numeric/Natural.hs
• + libraries/base/src/Prelude.hs
• libraries/base/System/CPUTime.hsc → libraries/base/src/System/CPUTime.hsc
• libraries/base/System/CPUTime/Javascript.hs → libraries/base/src/System/CPUTime/Javascript.hs
• libraries/base/System/CPUTime/Posix/ClockGetTime.hsc → libraries/base/src/System/CPUTime/Posix/ClockGetTime.hsc
• libraries/base/System/CPUTime/Posix/RUsage.hsc → libraries/base/src/System/CPUTime/Posix/RUsage.hsc
• libraries/base/System/CPUTime/Posix/Times.hsc → libraries/base/src/System/CPUTime/Posix/Times.hsc
• libraries/base/System/CPUTime/Unsupported.hs → libraries/base/src/System/CPUTime/Unsupported.hs
• + libraries/base/src/System/CPUTime/Utils.hs
• + libraries/base/src/System/CPUTime/Windows.hsc
• libraries/base/System/Console/GetOpt.hs → libraries/base/src/System/Console/GetOpt.hs
• + libraries/base/src/System/Environment.hs
• + libraries/base/src/System/Environment/Blank.hs
• + libraries/base/src/System/Exit.hs
• + libraries/base/src/System/IO.hs
• + libraries/base/src/System/IO/Error.hs
• + libraries/base/src/System/IO/Unsafe.hs
• + libraries/base/src/System/Info.hs
• + libraries/base/src/System/Mem.hs
• + libraries/base/src/System/Mem/StableName.hs
• + libraries/base/src/System/Mem/Weak.hs
• + libraries/base/src/System/Posix/Internals.hs
• + libraries/base/src/System/Posix/Types.hs
• libraries/base/System/Timeout.hs → libraries/base/src/System/Timeout.hs
• + libraries/base/src/Text/ParserCombinators/ReadP.hs
• + libraries/base/src/Text/ParserCombinators/ReadPrec.hs
• libraries/base/Text/Printf.hs → libraries/base/src/Text/Printf.hs
• + libraries/base/src/Text/Read.hs
• + libraries/base/src/Text/Read/Lex.hs
• + libraries/base/src/Text/Show.hs
• libraries/base/Text/Show/Functions.hs → libraries/base/src/Text/Show/Functions.hs
• + libraries/base/src/Type/Reflection.hs
• + libraries/base/src/Type/Reflection/Unsafe.hs
• + libraries/base/src/Unsafe/Coerce.hs
• + libraries/base/tests/AtomicModifyIORef.hs
• + libraries/base/tests/AtomicModifyIORef.stdout
• libraries/base/tests/IO/Makefile
• libraries/base/tests/IO/T21336/T21336a.stderr
• libraries/base/tests/IO/T21336/all.T
• 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/openFile003.stdout-javascript-unknown-ghcjs
• + libraries/base/tests/IO/withBinaryFile001.hs
• + libraries/base/tests/IO/withBinaryFile001.stderr
• + libraries/base/tests/IO/withBinaryFile002.hs
• + libraries/base/tests/IO/withBinaryFile002.stderr
• + libraries/base/tests/IO/withFile001.hs
• + libraries/base/tests/IO/withFile001.stderr
• + libraries/base/tests/IO/withFile002.hs
• + libraries/base/tests/IO/withFile002.stderr
• + libraries/base/tests/IO/withFileBlocking001.hs
• + libraries/base/tests/IO/withFileBlocking001.stderr
• + libraries/base/tests/IO/withFileBlocking002.hs
• + libraries/base/tests/IO/withFileBlocking002.stderr
• libraries/base/tests/Makefile
• libraries/base/tests/System/all.T
• libraries/base/tests/T15349.stderr
• libraries/base/tests/T16111.stderr
• libraries/base/tests/T19288.stderr
• + libraries/base/tests/T23687.hs
• + libraries/base/tests/T23697.hsc
• + libraries/base/tests/T23697.stdout
• + libraries/base/tests/T24807.hs
• + libraries/base/tests/T24807.stderr
• + libraries/base/tests/T25066.hs
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• libraries/binary
• libraries/bytestring
• libraries/containers
• libraries/deepseq
• libraries/directory
• libraries/exceptions
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• libraries/filepath
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• libraries/ghc-bignum/changelog.md
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• libraries/ghc-compact/ghc-compact.cabal
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• libraries/ghc-compact/tests/compact_mutable.stderr
• libraries/ghc-compact/tests/compact_pinned.stderr
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• libraries/ghc-heap/GHC/Exts/Heap.hs
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• libraries/ghc-heap/GHC/Exts/Heap/ProfInfo/PeekProfInfo.hs
• libraries/ghc-heap/GHC/Exts/Heap/ProfInfo/PeekProfInfo_ProfilingEnabled.hsc
• libraries/ghc-heap/GHC/Exts/Heap/Utils.hsc
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• libraries/ghc-heap/ghc-heap.cabal.in
• libraries/ghc-heap/tests/TestUtils.hs
• libraries/ghc-heap/tests/all.T
• libraries/ghc-heap/tests/parse_tso_flags.hs
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• + libraries/ghc-heap/tests/stack_underflow.hs
• libraries/base/.authorspellings → libraries/ghc-internal/.authorspellings
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• libraries/base/.hlint.yaml → libraries/ghc-internal/.hlint.yaml
• + libraries/ghc-internal/CHANGELOG.md
• + libraries/ghc-internal/LICENSE
• libraries/base/Setup.hs → libraries/ghc-internal/Setup.hs
• + libraries/ghc-internal/aclocal.m4
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• libraries/base/cbits/DarwinUtils.c → libraries/ghc-internal/cbits/DarwinUtils.c
• libraries/base/cbits/IOutils.c → libraries/ghc-internal/cbits/IOutils.c
• libraries/base/cbits/PrelIOUtils.c → libraries/ghc-internal/cbits/PrelIOUtils.c
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• libraries/base/cbits/StackCloningDecoding.cmm → libraries/ghc-internal/cbits/StackCloningDecoding.cmm
• libraries/base/cbits/Win32Utils.c → libraries/ghc-internal/cbits/Win32Utils.c
• libraries/ghc-prim/cbits/atomic.c → libraries/ghc-internal/cbits/atomic.c
• libraries/ghc-prim/cbits/bitrev.c → libraries/ghc-internal/cbits/bitrev.c
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• libraries/base/include/EventConfig.h.in → libraries/ghc-internal/include/EventConfig.h.in
• libraries/base/include/HsBase.h → libraries/ghc-internal/include/HsBase.h
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• libraries/ghc-bignum/include/HsIntegerGmp.h.in → libraries/ghc-internal/include/HsIntegerGmp.h.in
• libraries/ghc-bignum/include/WordSize.h → libraries/ghc-internal/include/WordSize.h
• libraries/base/include/consUtils.h → libraries/ghc-internal/include/consUtils.h
• libraries/base/include/ieee-flpt.h → libraries/ghc-internal/include/ieee-flpt.h
• libraries/base/include/md5.h → libraries/ghc-internal/include/md5.h
• libraries/base/include/winio_structs.h → libraries/ghc-internal/include/winio_structs.h
• libraries/base/install-sh → libraries/ghc-internal/install-sh
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• libraries/ghc-bignum/src/GHC/Num/Backend/Check.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/Backend/Check.hs
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• libraries/ghc-bignum/src/GHC/Num/Backend/GMP.hs → libraries/ghc-internal/src/GHC/Internal/Bignum/Backend/GMP.hs
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• libraries/base/GHC/Conc/POSIX/Const.hsc → libraries/ghc-internal/src/GHC/Internal/Conc/POSIX/Const.hsc
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• libraries/base/GHC/ConsoleHandler.hsc → libraries/ghc-internal/src/GHC/Internal/ConsoleHandler.hsc
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• libraries/base/GHC/Event/EPoll.hsc → libraries/ghc-internal/src/GHC/Internal/Event/EPoll.hsc
• libraries/base/GHC/Event/IntTable.hs → libraries/ghc-internal/src/GHC/Internal/Event/IntTable.hs
• libraries/base/GHC/Event/IntVar.hs → libraries/ghc-internal/src/GHC/Internal/Event/IntVar.hs
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• libraries/base/GHC/Event/Manager.hs → libraries/ghc-internal/src/GHC/Internal/Event/Manager.hs
• libraries/base/GHC/Event/PSQ.hs → libraries/ghc-internal/src/GHC/Internal/Event/PSQ.hs
• libraries/base/GHC/Event/Poll.hsc → libraries/ghc-internal/src/GHC/Internal/Event/Poll.hsc
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• libraries/base/GHC/Event/TimerManager.hs → libraries/ghc-internal/src/GHC/Internal/Event/TimerManager.hs
• + libraries/ghc-internal/src/GHC/Internal/Event/Unique.hs
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• libraries/base/GHC/Event/Windows/ConsoleEvent.hsc → libraries/ghc-internal/src/GHC/Internal/Event/Windows/ConsoleEvent.hsc
• libraries/base/GHC/Event/Windows/FFI.hsc → libraries/ghc-internal/src/GHC/Internal/Event/Windows/FFI.hsc
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• + libraries/ghc-internal/src/GHC/Internal/Exception/Type.hs
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• + libraries/ghc-internal/src/GHC/Internal/ExecutionStack.hs
• libraries/base/GHC/ExecutionStack/Internal.hsc → 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/base/GHC/Fingerprint.hs-boot → 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
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• + libraries/ghc-internal/src/GHC/Internal/Float/RealFracMethods.hs
• + libraries/ghc-internal/src/GHC/Internal/Foreign/C/ConstPtr.hs
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• + libraries/ghc-internal/src/GHC/Internal/Foreign/C/Types.hs
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• + libraries/ghc-internal/src/GHC/Internal/Foreign/ForeignPtr.hs
• + libraries/ghc-internal/src/GHC/Internal/Foreign/ForeignPtr/Imp.hs
• + libraries/ghc-internal/src/GHC/Internal/Foreign/ForeignPtr/Unsafe.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/Safe.hs
• + libraries/ghc-internal/src/GHC/Internal/Foreign/Marshal/Unsafe.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/StablePtr.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/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.hs-boot
• + 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.hs-boot
• + libraries/ghc-internal/src/GHC/Internal/IO/Handle/FD.hs
• + libraries/ghc-internal/src/GHC/Internal/IO/Handle/FD.hs-boot
• + libraries/ghc-internal/src/GHC/Internal/IO/Handle/Internals.hs
• + libraries/ghc-internal/src/GHC/Internal/IO/Handle/Lock.hs
• libraries/base/GHC/IO/Handle/Lock/Common.hs → libraries/ghc-internal/src/GHC/Internal/IO/Handle/Lock/Common.hs
• libraries/base/GHC/IO/Handle/Lock/Flock.hsc → libraries/ghc-internal/src/GHC/Internal/IO/Handle/Lock/Flock.hsc
• libraries/base/GHC/IO/Handle/Lock/LinuxOFD.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
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• + libraries/ghc-internal/src/GHC/Internal/IO/IOMode.hs
• + libraries/ghc-internal/src/GHC/Internal/IO/StdHandles.hs
• libraries/base/GHC/IO/StdHandles.hs-boot → libraries/ghc-internal/src/GHC/Internal/IO/StdHandles.hs-boot
• + 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/base/GHC/IO/Windows/Handle.hsc → 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
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• + 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/base/GHC/RTS/Flags.hsc → 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/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/base/GHC/Stack/CCS.hsc → libraries/ghc-internal/src/GHC/Internal/Stack/CCS.hsc
• + libraries/ghc-internal/src/GHC/Internal/Stack/CloneStack.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/base/GHC/Stats.hsc → 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/base/System/Environment/Blank.hsc → libraries/ghc-internal/src/GHC/Internal/System/Environment/Blank.hsc
• libraries/base/System/Environment/ExecutablePath.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/Mem/StableName.hs
• + libraries/ghc-internal/src/GHC/Internal/System/Posix/Internals.hs
• + libraries/ghc-internal/src/GHC/Internal/System/Posix/Types.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/Quote.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/Text/Show.hs
• + libraries/ghc-internal/src/GHC/Internal/TopHandler.hs
• + libraries/ghc-internal/src/GHC/Internal/Tuple.hs
• + libraries/ghc-internal/src/GHC/Internal/Type/Reflection.hs
• + libraries/ghc-internal/src/GHC/Internal/Type/Reflection/Unsafe.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-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/base/GHC/Unicode/Internal/Char/UnicodeData/SimpleLowerCaseMapping.hs → libraries/ghc-internal/src/GHC/Internal/Unicode/Char/UnicodeData/SimpleLowerCaseMapping.hs
• libraries/base/GHC/Unicode/Internal/Char/UnicodeData/SimpleTitleCaseMapping.hs → libraries/ghc-internal/src/GHC/Internal/Unicode/Char/UnicodeData/SimpleTitleCaseMapping.hs
• libraries/base/GHC/Unicode/Internal/Char/UnicodeData/SimpleUpperCaseMapping.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/base/tools/ucd2haskell/.gitignore → libraries/ghc-internal/tools/ucd2haskell/.gitignore
• libraries/base/tools/ucd2haskell/LICENSE → libraries/ghc-internal/tools/ucd2haskell/LICENSE
• + 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/UCD2Haskell.hs
• + libraries/ghc-internal/tools/ucd2haskell/exe/UCD2Haskell/ModuleGenerators.hs
• libraries/base/tools/ucd2haskell/tests/check_all_chars.py → libraries/ghc-internal/tools/ucd2haskell/tests/check_all_chars.py
• libraries/base/tools/ucd2haskell/tests/check_test_data.py → libraries/ghc-internal/tools/ucd2haskell/tests/check_test_data.py
• libraries/base/tools/ucd2haskell/tests/export_all_chars.hs → libraries/ghc-internal/tools/ucd2haskell/tests/export_all_chars.hs
• libraries/base/tools/ucd2haskell/ucd.sh → libraries/ghc-internal/tools/ucd2haskell/ucd.sh
• + libraries/ghc-internal/tools/ucd2haskell/ucd2haskell.cabal
• + libraries/ghc-internal/tools/ucd2haskell/unicode_version
• + libraries/ghc-platform/CHANGELOG.md
• + libraries/ghc-platform/LICENSE
• + libraries/ghc-platform/Setup.hs
• + libraries/ghc-platform/ghc-platform.cabal
• libraries/ghc-boot/GHC/Platform/ArchOS.hs → libraries/ghc-platform/src/GHC/Platform/ArchOS.hs
• + libraries/ghc-prim/Dummy.hs
• − libraries/ghc-prim/GHC/Classes.hs
• − libraries/ghc-prim/GHC/Prim/Exception.hs
• − libraries/ghc-prim/GHC/Tuple.hs
• − libraries/ghc-prim/GHC/Tuple/Prim.hs
• − libraries/ghc-prim/GHC/Types.hs
• − libraries/ghc-prim/Setup.hs
• libraries/ghc-prim/changelog.md
• libraries/ghc-prim/ghc-prim.cabal
• libraries/ghci/GHCi/BinaryArray.hs
• libraries/ghci/GHCi/BreakArray.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/changelog.md
• libraries/integer-gmp/integer-gmp.cabal
• libraries/integer-gmp/src/GHC/Integer/GMP/Internals.hs
• + libraries/os-string
• libraries/parsec
• libraries/process
• libraries/semaphore-compat
• libraries/stm
• libraries/template-haskell/Language/Haskell/TH.hs
• libraries/template-haskell/Language/Haskell/TH/Lib.hs
• − libraries/template-haskell/Language/Haskell/TH/Lib/Internal.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
• testsuite/tests/stranal/should_run/T14285.stdout → libraries/template-haskell/tests/dataToCodeQUnit.stdout
• libraries/template-haskell/vendored-filepath/System/FilePath.hs
• libraries/terminfo
• libraries/text
• libraries/time
• libraries/transformers
• libraries/unix
• + linters/lint-codes/LintCodes/Args.hs
• + linters/lint-codes/LintCodes/Coverage.hs
• + linters/lint-codes/LintCodes/Static.hs
• + linters/lint-codes/Main.hs
• + linters/lint-codes/Makefile
• + linters/lint-codes/cabal.project
• + linters/lint-codes/ghc.mk
• + linters/lint-codes/lint-codes.cabal
• linters/lint-commit-msg/lint-commit-msg.cabal
• linters/lint-notes/Main.hs
• linters/lint-submodule-refs/Main.hs
• linters/lint-submodule-refs/lint-submodule-refs.cabal
• linters/lint-whitespace/lint-whitespace.cabal
• linters/linters-common/Linters/Common.hs
• linters/linters-common/linters-common.cabal
• llvm-passes
• llvm-targets
• + m4/emsdk_version.m4
• m4/find_ld.m4
• m4/find_llvm_prog.m4
• m4/find_merge_objects.m4
• m4/find_python.m4
• + m4/fp_armv8_outline_atomics.m4
• m4/fp_bfd_support.m4
• m4/fp_cc_linker_flag_try.m4
• m4/fp_cc_supports__atomics.m4
• m4/fp_cc_supports_target.m4
• m4/fp_check_pthreads.m4
• + m4/fp_cmm_cpp_cmd_with_args.m4
• m4/fp_cpp_cmd_with_args.m4
• m4/fp_find_cxx_std_lib.m4
• m4/fp_find_libdw.m4
• m4/fp_find_libffi.m4
• m4/fp_find_libnuma.m4
• m4/fp_find_libzstd.m4
• m4/fp_find_nm.m4
• m4/fp_gcc_supports_no_pie.m4
• m4/fp_gcc_version.m4
• + m4/fp_hs_cpp_cmd_with_args.m4
• + m4/fp_js_cpp_cmd_with_args.m4
• m4/fp_ld_no_fixup_chains.m4
• + m4/fp_ld_no_warn_duplicate_libraries.m4
• − m4/fp_ld_supports_response_files.m4
• m4/fp_leading_underscore.m4
• + m4/fp_link_supports_no_as_needed.m4
• + m4/fp_merge_objects_supports_response_files.m4
• m4/fp_prog_ar_args.m4
• m4/fp_prog_ar_needs_ranlib.m4
• + m4/fp_prog_cc_linker_target.m4
• − m4/fp_prog_context_diff.m4
• m4/fp_prog_ld_filelist.m4
• m4/fp_prog_ld_flag.m4
• m4/fp_prog_ld_is_gnu.m4
• m4/fp_prog_ld_no_compact_unwind.m4
• + m4/fp_prog_ld_single_module.m4
• + m4/fp_prog_move_to_flags.m4
• m4/fp_settings.m4
• m4/fp_setup_project_version.m4
• m4/fp_setup_windows_toolchain.m4
• m4/fptools_alex.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_convert_cpu.m4
• m4/ghc_convert_os.m4
• + m4/ghc_get_power_abi.m4
• + m4/ghc_iomanagers.m4
• m4/ghc_llvm_target.m4
• m4/ghc_select_file_extensions.m4
• m4/ghc_tables_next_to_code.m4
• + m4/ghc_toolchain.m4
• − m4/library_version.m4
• + m4/prep_target_file.m4
• − m4/xcode_version.m4
• + mk/hsc2hs.in
• mk/project.mk.in
• mk/relpath.sh
• mk/system-cxx-std-lib-1.0.conf.in
• nofib
• packages
• rts/.gitignore
• + rts/ARMOutlineAtomicsSymbols.h
• − rts/AdjustorAsm.S
• + rts/AllocArray.c
• + rts/AllocArray.h
• rts/Apply.cmm
• rts/AutoApply.h
• + rts/AutoApplyVecs.h
• rts/Capability.c
• rts/Capability.h
• rts/CheckUnload.c
• + rts/CheckVectorSupport.c
• + rts/CheckVectorSupport.h
• rts/CloneStack.c
• rts/CloneStack.h
• rts/Compact.cmm
• rts/Continuation.c
• rts/ContinuationOps.cmm
• rts/Disassembler.c
• rts/Exception.cmm
• rts/ExecPage.c
• rts/ForeignExports.c
• rts/Globals.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/IPE.h
• 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.h
• rts/Libdw.c
• rts/Linker.c
• rts/LinkerInternals.h
• rts/Messages.c
• rts/OldARMAtomic.c
• rts/PathUtils.c
• rts/PathUtils.h
• rts/Prelude.h
• rts/PrimOps.cmm
• rts/Printer.c
• rts/ProfHeap.c
• rts/ProfHeap.h
• rts/ProfilerReportJson.c
• rts/Profiling.c
• rts/Profiling.h
• rts/Proftimer.c
• rts/RaiseAsync.c
• rts/ReportMemoryMap.c
• rts/RtsAPI.c
• rts/RtsFlags.c
• rts/RtsFlags.h
• rts/RtsMain.c
• rts/RtsMessages.c
• rts/RtsStartup.c
• rts/RtsSymbols.c
• rts/RtsSymbols.h
• rts/RtsUtils.c
• rts/RtsUtils.h
• rts/STM.c
• rts/STM.h
• rts/Schedule.c
• rts/Sparks.c
• rts/StableName.c
• rts/StaticPtrTable.c
• rts/Stats.c
• rts/StgCRun.c
• rts/StgCRunAsm.S
• rts/StgMiscClosures.cmm
• rts/StgStartup.cmm
• rts/StgStdThunks.cmm
• rts/TSANUtils.c
• rts/Task.c
• rts/Task.h
• rts/ThreadLabels.c
• rts/ThreadPaused.c
• rts/Threads.c
• rts/Ticky.c
• rts/TopHandler.c
• rts/Trace.c
• rts/Trace.h
• rts/TraverseHeap.c
• rts/Updates.cmm
• rts/Updates.h
• rts/Weak.c
• rts/adjustor/AdjustorPool.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/ghcplatform.h.bottom
• + rts/ghcplatform.h.top.in
• − rts/ghcversion.h.bottom
• − rts/ghcversion.h.top
• rts/include/Cmm.h
• rts/include/HsFFI.h
• rts/include/Rts.h
• rts/include/RtsAPI.h
• rts/include/Stg.h
• + rts/include/ghcversion.h.in
• rts/include/rts/Adjustor.h
• rts/include/rts/Bytecodes.h
• rts/include/rts/Config.h
• rts/include/rts/Constants.h
• rts/include/rts/EventLogFormat.h
• rts/include/rts/Flags.h
• rts/include/rts/Globals.h
• rts/include/rts/IPE.h
• rts/include/rts/Linker.h
• rts/include/rts/Messages.h
• rts/include/rts/OSThreads.h
• rts/include/rts/TSANUtils.h
• rts/include/rts/Threads.h
• rts/include/rts/Ticky.h
• + rts/include/rts/ghc_ffi.h
• rts/include/rts/prof/CCS.h
• rts/include/rts/prof/Heap.h
• rts/include/rts/prof/LDV.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/sm/HeapAlloc.h → rts/include/rts/storage/HeapAlloc.h
• rts/include/rts/storage/InfoTables.h
• rts/include/rts/storage/TSO.h
• rts/include/stg/MachRegs.h
• + rts/include/stg/MachRegs/arm32.h
• + rts/include/stg/MachRegs/arm64.h
• + rts/include/stg/MachRegs/loongarch64.h
• + rts/include/stg/MachRegs/ppc.h
• + rts/include/stg/MachRegs/riscv64.h
• + rts/include/stg/MachRegs/s390x.h
• + rts/include/stg/MachRegs/wasm32.h
• + rts/include/stg/MachRegs/x86.h
• rts/include/stg/MachRegsForHost.h
• rts/include/stg/MiscClosures.h
• rts/include/stg/Prim.h
• rts/include/stg/SMP.h
• rts/js/arith.js
• + rts/js/config.js
• rts/js/environment.js
• rts/js/gc.js
• rts/js/globals.js
• rts/js/mem.js
• rts/js/profiling.js
• rts/js/rts.js
• rts/js/stableptr.js
• rts/js/string.js
• rts/js/thread.js
• rts/js/time.js
• rts/js/verify.js
• rts/linker/Elf.c
• rts/linker/Elf.h
• rts/linker/ElfTypes.h
• rts/linker/LoadArchive.c
• + rts/linker/LoadNativeObjPosix.c
• + rts/linker/LoadNativeObjPosix.h
• 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/GetTime.c
• rts/posix/OSMem.c
• rts/posix/Select.c
• rts/posix/Select.h
• rts/posix/Signals.c
• rts/posix/ticker/TimerFd.c
• + rts/rts.buildinfo.in
• + rts/rts.cabal
• − rts/rts.cabal.in
• rts/sm/BlockAlloc.c
• rts/sm/CNF.c
• rts/sm/Compact.c
• rts/sm/Evac.c
• rts/sm/GC.c
• rts/sm/GC.h
• rts/sm/GCAux.c
• rts/sm/GCThread.h
• rts/sm/MBlock.c
• rts/sm/MarkWeak.c
• rts/sm/NonMoving.c
• rts/sm/NonMoving.h
• rts/sm/NonMovingAllocate.c
• rts/sm/NonMovingCensus.c
• rts/sm/NonMovingMark.c
• rts/sm/NonMovingSweep.c
• rts/sm/Sanity.c
• rts/sm/Sanity.h
• rts/sm/Scav.c
• rts/sm/Storage.c
• rts/sm/Storage.h
• rts/wasm/GetTime.c
• + rts/wasm/JSFFI.c
• + rts/wasm/JSFFIGlobals.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/AsyncWinIO.c
• rts/win32/AwaitEvent.c
• + rts/win32/AwaitEvent.h
• rts/win32/ConsoleHandler.c
• rts/win32/GetTime.c
• rts/win32/OSMem.c
• rts/win32/OSThreads.c
• rts/win32/ThrIOManager.c
• rts/win32/WorkQueue.c
• − rts/win32/libHSbase.def
• + rts/win32/libHSghc-internal.def
• rts/win32/libHSghc-prim.def
• rts/win32/veh_excn.c
• rts/xxhash.h
• testsuite/README.md
• testsuite/config/ghc
• testsuite/driver/cpu_features.py
• + testsuite/driver/cpuinfo.py
• testsuite/driver/junit.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/Win32/HandleConversion.hs
• + testsuite/tests/Win32/HandleConversion.stdout
• + testsuite/tests/Win32/Makefile
• + testsuite/tests/Win32/PokeTZI.hs
• + testsuite/tests/Win32/Semaphores.hs
• + testsuite/tests/Win32/Semaphores.stdout
• + testsuite/tests/Win32/T4452.hs
• + testsuite/tests/Win32/all.T
• + testsuite/tests/Win32/helloworld.hs
• + testsuite/tests/Win32/lasterror.hs
• + testsuite/tests/Win32/registry001.hs
• + testsuite/tests/Win32/registry001.stdout
• + 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/T22483.stderr
• testsuite/tests/ado/ado002.stderr
• testsuite/tests/ado/ado004.stderr
• testsuite/tests/ado/all.T
• testsuite/tests/annotations/should_fail/annfail03.stderr
• testsuite/tests/annotations/should_fail/annfail04.stderr
• testsuite/tests/annotations/should_fail/annfail05.stderr
• testsuite/tests/annotations/should_fail/annfail06.stderr
• testsuite/tests/annotations/should_fail/annfail08.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/Arity02.stderr
• testsuite/tests/arityanal/should_compile/Arity09.stderr
• testsuite/tests/arityanal/should_compile/Arity13.stderr
• testsuite/tests/arityanal/should_compile/T21755.stderr
• + testsuite/tests/arityanal/should_compile/T24296b.hs
• + testsuite/tests/arityanal/should_compile/T24296b.stderr
• testsuite/tests/arityanal/should_compile/all.T
• testsuite/tests/arityanal/should_run/T21694a.stderr
• + testsuite/tests/arityanal/should_run/T24296.hs
• + testsuite/tests/arityanal/should_run/T24296.stderr
• testsuite/tests/arityanal/should_run/all.T
• testsuite/tests/array/should_run/arr003.stderr
• testsuite/tests/array/should_run/arr004.stderr
• testsuite/tests/array/should_run/arr007.stderr
• testsuite/tests/array/should_run/arr008.stderr
• testsuite/tests/arrows/should_compile/T21301.stderr
• testsuite/tests/backpack/cabal/T14304/Makefile
• testsuite/tests/backpack/cabal/T14304/all.T
• testsuite/tests/backpack/cabal/T15594/Makefile
• testsuite/tests/backpack/cabal/T15594/all.T
• testsuite/tests/backpack/cabal/T16219/Makefile
• testsuite/tests/backpack/cabal/T16219/all.T
• testsuite/tests/backpack/cabal/T20509/Makefile
• testsuite/tests/backpack/cabal/T20509/all.T
• testsuite/tests/backpack/cabal/bkpcabal01/Makefile
• testsuite/tests/backpack/cabal/bkpcabal01/all.T
• testsuite/tests/backpack/cabal/bkpcabal02/Makefile
• testsuite/tests/backpack/cabal/bkpcabal02/all.T
• testsuite/tests/backpack/cabal/bkpcabal02/bkpcabal02.stderr
• testsuite/tests/backpack/cabal/bkpcabal03/Makefile
• testsuite/tests/backpack/cabal/bkpcabal03/all.T
• testsuite/tests/backpack/cabal/bkpcabal04/Makefile
• testsuite/tests/backpack/cabal/bkpcabal04/all.T
• testsuite/tests/backpack/cabal/bkpcabal05/Makefile
• testsuite/tests/backpack/cabal/bkpcabal05/all.T
• testsuite/tests/backpack/cabal/bkpcabal06/Makefile
• testsuite/tests/backpack/cabal/bkpcabal06/all.T
• testsuite/tests/backpack/cabal/bkpcabal07/Makefile
• testsuite/tests/backpack/cabal/bkpcabal08/Makefile
• testsuite/tests/backpack/cabal/bkpcabal08/all.T
• testsuite/tests/backpack/cabal/bkpcabal08/bkpcabal08.stdout
• testsuite/tests/backpack/reexport/bkpreex02.stderr
• testsuite/tests/backpack/reexport/bkpreex03.stdout
• testsuite/tests/backpack/should_compile/all.T
• testsuite/tests/backpack/should_compile/bkp09.stderr
• testsuite/tests/backpack/should_compile/bkp14.stderr
• testsuite/tests/backpack/should_compile/bkp15.stderr
• testsuite/tests/backpack/should_compile/bkp16.bkp
• testsuite/tests/backpack/should_compile/bkp16.stderr
• testsuite/tests/backpack/should_compile/bkp31.stderr
• testsuite/tests/backpack/should_compile/bkp32.stderr
• testsuite/tests/backpack/should_compile/bkp47.stderr
• testsuite/tests/backpack/should_compile/bkp51.stderr
• testsuite/tests/backpack/should_compile/bkp61.stderr
• testsuite/tests/backpack/should_fail/T19244a.stderr
• testsuite/tests/backpack/should_fail/T19244b.stderr
• testsuite/tests/backpack/should_fail/all.T
• testsuite/tests/backpack/should_fail/bkpfail04.stderr
• testsuite/tests/backpack/should_fail/bkpfail06.stderr
• testsuite/tests/backpack/should_fail/bkpfail07.stderr
• testsuite/tests/backpack/should_fail/bkpfail09.stderr
• testsuite/tests/backpack/should_fail/bkpfail11.stderr
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• testsuite/tests/backpack/should_fail/bkpfail13.stderr
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• testsuite/tests/backpack/should_fail/bkpfail16.bkp
• testsuite/tests/backpack/should_fail/bkpfail16.stderr
• testsuite/tests/backpack/should_fail/bkpfail17.stderr
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• testsuite/tests/backpack/should_fail/bkpfail22.stderr
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• testsuite/tests/backpack/should_fail/bkpfail32.stderr
• testsuite/tests/backpack/should_fail/bkpfail33.stderr
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• testsuite/tests/backpack/should_fail/bkpfail42.stderr
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• testsuite/tests/backpack/should_fail/bkpfail46.stderr
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• testsuite/tests/backpack/should_fail/bkpfail48.stderr
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• testsuite/tests/backpack/should_fail/bkpfail50.stderr
• testsuite/tests/backpack/should_fail/bkpfail51.stderr
• testsuite/tests/backpack/should_fail/bkpfail52.stderr
• testsuite/tests/backpack/should_fail/bkpfail53.stderr
• + testsuite/tests/backpack/should_run/T15379-DataToTag.bkp
• + testsuite/tests/backpack/should_run/T15379-DataToTag.stderr
• testsuite/tests/backpack/should_run/all.T
• testsuite/tests/backpack/should_run/bkprun05.stderr
• testsuite/tests/bytecode/T22376/all.T
• + testsuite/tests/bytecode/T24634/Hello.hs
• + testsuite/tests/bytecode/T24634/Main.hs
• + testsuite/tests/bytecode/T24634/Makefile
• + testsuite/tests/bytecode/T24634/T24634a.stdout
• + testsuite/tests/bytecode/T24634/T24634b.stdout
• + testsuite/tests/bytecode/T24634/all.T
• + testsuite/tests/bytecode/T24634/hello_c.c
• + testsuite/tests/bytecode/T24634/hello_c.h
• + testsuite/tests/bytecode/T25090/A.hs
• + testsuite/tests/bytecode/T25090/B.hs
• + testsuite/tests/bytecode/T25090/C.hs
• + testsuite/tests/bytecode/T25090/C.hs-boot
• + testsuite/tests/bytecode/T25090/D.hs
• + testsuite/tests/bytecode/T25090/Makefile
• + testsuite/tests/bytecode/T25090/T25090-debug.stderr
• + testsuite/tests/bytecode/T25090/T25090.stdout
• + testsuite/tests/bytecode/T25090/all.T
• + testsuite/tests/bytecode/T25510/Makefile
• + testsuite/tests/bytecode/T25510/T25510A.hs
• + testsuite/tests/bytecode/T25510/T25510B.hs
• + testsuite/tests/bytecode/T25510/all.T
• + testsuite/tests/bytecode/T25975.hs
• + testsuite/tests/bytecode/T25975.stdout
• testsuite/tests/bytecode/all.T
• testsuite/tests/cabal/T12733/Makefile
• testsuite/tests/cabal/T12733/all.T
• testsuite/tests/cabal/all.T
• testsuite/tests/cabal/cabal03/Makefile
• testsuite/tests/cabal/cabal03/all.T
• testsuite/tests/cabal/cabal04/Makefile
• testsuite/tests/cabal/cabal05/Makefile
• testsuite/tests/cabal/cabal05/all.T
• testsuite/tests/cabal/cabal06/Makefile
• testsuite/tests/cabal/cabal06/all.T
• testsuite/tests/cabal/cabal08/Makefile
• testsuite/tests/cabal/cabal08/all.T
• testsuite/tests/cabal/cabal09/Makefile
• testsuite/tests/cabal/cabal09/all.T
• testsuite/tests/cabal/cabal10/Makefile
• testsuite/tests/cabal/cabal10/all.T
• + testsuite/tests/cabal/fileStatus.hs
• + testsuite/tests/cabal/fileStatus.stdout
• testsuite/tests/cabal/ghcpkg03.stderr
• testsuite/tests/cabal/ghcpkg03.stderr-mingw32
• testsuite/tests/cabal/ghcpkg05.stderr
• testsuite/tests/cabal/ghcpkg05.stderr-mingw32
• testsuite/tests/cabal/sigcabal01/Makefile
• testsuite/tests/cabal/sigcabal01/all.T
• testsuite/tests/cabal/t18567/Makefile
• testsuite/tests/cabal/t18567/all.T
• testsuite/tests/cabal/t19518/Makefile
• testsuite/tests/cabal/t19518/all.T
• testsuite/tests/cabal/t20242/Makefile
• testsuite/tests/cabal/t20242/all.T
• testsuite/tests/cabal/t22333/Makefile
• testsuite/tests/callarity/unittest/CallArity1.hs
• + testsuite/tests/cmm/opt/T24556.cmm
• + testsuite/tests/cmm/opt/T25771.cmm
• + testsuite/tests/cmm/opt/T25771.stderr
• testsuite/tests/cmm/opt/all.T
• testsuite/tests/cmm/should_compile/Makefile
• testsuite/tests/cmm/should_compile/T20725.hs
• + testsuite/tests/cmm/should_compile/T23610.cmm
• + testsuite/tests/cmm/should_compile/T24224.cmm
• + testsuite/tests/cmm/should_compile/T24224.stderr
• + testsuite/tests/cmm/should_compile/T24474-cmm-gets-c-opts.cmm
• + testsuite/tests/cmm/should_compile/T24474-cmm-opt-order.cmm
• + testsuite/tests/cmm/should_compile/T24474.cmm
• testsuite/tests/cmm/should_compile/all.T
• + testsuite/tests/cmm/should_fail/T24474-cmm-override-g0.cmm
• + testsuite/tests/cmm/should_fail/T24474-cmm-override-g0.stderr
• + testsuite/tests/cmm/should_fail/all.T
• testsuite/tests/cmm/should_run/AtomicFetch_cmm.cmm
• testsuite/tests/cmm/should_run/HooplPostorder.hs
• + testsuite/tests/cmm/should_run/JumpTableNoStackDealloc.hs
• + testsuite/tests/cmm/should_run/JumpTableNoStackDealloc.stdout
• + testsuite/tests/cmm/should_run/JumpTableNoStackDeallocGen.hs
• + testsuite/tests/cmm/should_run/JumpTableNoStackDealloc_cmm.cmm
• + testsuite/tests/cmm/should_run/T25601.hs
• + testsuite/tests/cmm/should_run/T25601.stdout
• + testsuite/tests/cmm/should_run/T25601a.cmm
• testsuite/tests/cmm/should_run/all.T
• testsuite/tests/codeGen/should_compile/Makefile
• + testsuite/tests/codeGen/should_compile/T16351.hs
• + testsuite/tests/codeGen/should_compile/T16351.stderr
• testsuite/tests/codeGen/should_compile/T21710a.stderr
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• testsuite/tests/codeGen/should_compile/all.T
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• + testsuite/tests/codeGen/should_compile/callee-no-local.stderr
• testsuite/tests/codeGen/should_compile/cg006.hs
• + testsuite/tests/codeGen/should_gen_asm/T24941.hs
• testsuite/tests/codeGen/should_gen_asm/all.T
• + testsuite/tests/codeGen/should_run/CCallConv.hs
• + testsuite/tests/codeGen/should_run/CCallConv.stdout
• + testsuite/tests/codeGen/should_run/CCallConv_c.c
• + testsuite/tests/codeGen/should_run/CtzClz0.hs
• + testsuite/tests/codeGen/should_run/MulMayOflo.hs
• + testsuite/tests/codeGen/should_run/MulMayOflo_full.cmm
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• + testsuite/tests/codeGen/should_run/OrigThunkInfo.stdout
• testsuite/tests/codeGen/should_run/T16846.stderr
• testsuite/tests/codeGen/should_run/T17920.cmm
• + testsuite/tests/codeGen/should_run/T23034.h
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• testsuite/tests/codeGen/should_run/T23146/all.T
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• testsuite/tests/corelint/LintEtaExpand.stderr
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• testsuite/tests/count-deps/CountDepsParser.stdout
• testsuite/tests/count-deps/Makefile
• testsuite/tests/count-deps/all.T
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• testsuite/tests/stranal/should_compile/EtaExpansion.hs → testsuite/tests/dmdanal/should_compile/EtaExpansion.hs
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• testsuite/tests/rts/decodeMyStack_underflowFrames.hs
• + testsuite/tests/rts/ipe/IpeStats/Fold.hs
• + testsuite/tests/rts/ipe/IpeStats/Makefile
• + testsuite/tests/rts/ipe/IpeStats/all.T
• + testsuite/tests/rts/ipe/T24005/all.T
• + testsuite/tests/rts/ipe/T24005/t24005.hs
• + testsuite/tests/rts/ipe/T24005/t24005.stdout
• testsuite/tests/rts/ipe/all.T
• testsuite/tests/rts/ipe/ipeEventLog.stderr
• testsuite/tests/rts/ipe/ipeEventLog_fromMap.c
• 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/T24171/Lib.hs
• + testsuite/tests/rts/linker/T24171/Makefile
• + testsuite/tests/rts/linker/T24171/T24171.stdout
• + testsuite/tests/rts/linker/T24171/all.T
• + testsuite/tests/rts/linker/T24171/main.c
• + 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
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• testsuite/tests/rts/linker/T7072-obj.c → testsuite/tests/rts/linker/T7072.c
• testsuite/tests/rts/linker/all.T
• + testsuite/tests/rts/linker/load-object.c
• + testsuite/tests/rts/linker/lookupSymbolInNativeObj/Makefile
• + testsuite/tests/rts/linker/lookupSymbolInNativeObj/all.T
• + testsuite/tests/rts/linker/lookupSymbolInNativeObj/lookupSymbolInNativeObj1.c
• + testsuite/tests/rts/linker/lookupSymbolInNativeObj/lookupSymbolInNativeObj1.stdout
• + testsuite/tests/rts/linker/lookupSymbolInNativeObj/obj.c
• + testsuite/tests/rts/linker/reloc-none.c
• + testsuite/tests/rts/linker/reloc-none.stderr
• testsuite/tests/rts/linker/unload_multiple_objs/linker_unload_multiple_objs.c
• testsuite/tests/rts/pause-resume/list_threads_and_misc_roots_c.c
• testsuite/tests/rts/testwsdeque.c
• testsuite/tests/runghc/Makefile
• testsuite/tests/runghc/T7859.stderr
• testsuite/tests/runghc/T7859.stderr-mingw32
• testsuite/tests/runghc/all.T
• testsuite/tests/safeHaskell/check/Check01_A.hs
• testsuite/tests/safeHaskell/check/Check02_A.hs
• testsuite/tests/safeHaskell/check/Check03_A.hs
• testsuite/tests/safeHaskell/check/Check04_A.hs
• testsuite/tests/safeHaskell/check/CheckA.hs
• testsuite/tests/safeHaskell/check/CheckB_Aux.hs
• testsuite/tests/safeHaskell/check/all.T
• testsuite/tests/safeHaskell/check/pkg01/ImpSafe01.stderr
• testsuite/tests/safeHaskell/check/pkg01/ImpSafe04.stderr
• testsuite/tests/safeHaskell/check/pkg01/all.T
• testsuite/tests/safeHaskell/check/pkg01/safePkg01.stdout
• testsuite/tests/safeHaskell/flags/Flags02.hs
• testsuite/tests/safeHaskell/flags/all.T
• 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/SafeLang10.stderr
• testsuite/tests/safeHaskell/safeLanguage/SafeLang12.stderr
• testsuite/tests/safeHaskell/safeLanguage/SafeLang15.stderr
• testsuite/tests/safeHaskell/safeLanguage/SafeLang17.stderr
• testsuite/tests/safeHaskell/safeLanguage/SafeLang18.hs
• testsuite/tests/safeHaskell/unsafeLibs/GoodImport03.hs
• testsuite/tests/safeHaskell/unsafeLibs/T21433.stderr
• testsuite/tests/saks/should_compile/T16724.stdout
• testsuite/tests/saks/should_compile/all.T
• testsuite/tests/saks/should_compile/saks018.hs
• testsuite/tests/saks/should_compile/saks021.hs
• testsuite/tests/saks/should_compile/saks030.hs
• testsuite/tests/saks/should_compile/saks032.hs
• testsuite/tests/saks/should_fail/T16722.stderr
• testsuite/tests/saks/should_fail/all.T
• + testsuite/tests/saks/should_fail/saks018-fail.hs
• + testsuite/tests/saks/should_fail/saks018-fail.stderr
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• + testsuite/tests/saks/should_fail/saks021-fail.stderr
• testsuite/tests/saks/should_fail/saks_fail001.stderr
• testsuite/tests/saks/should_fail/saks_fail003.stderr
• testsuite/tests/showIface/DocsInHiFile1.stdout
• testsuite/tests/showIface/DocsInHiFileTH.hs
• testsuite/tests/showIface/DocsInHiFileTH.stdout
• testsuite/tests/showIface/HaddockIssue849.stdout
• testsuite/tests/showIface/HaddockOpts.stdout
• + testsuite/tests/showIface/HaddockSpanIssueT24378.hs
• + testsuite/tests/showIface/HaddockSpanIssueT24378.stdout
• testsuite/tests/showIface/LanguageExts.stdout
• testsuite/tests/showIface/MagicHashInHaddocks.stdout
• testsuite/tests/showIface/Makefile
• testsuite/tests/showIface/NoExportList.stdout
• testsuite/tests/showIface/Orphans.stdout
• testsuite/tests/showIface/PragmaDocs.stdout
• testsuite/tests/showIface/ReExports.stdout
• testsuite/tests/showIface/all.T
• + testsuite/tests/simd/should_run/Simd009b.hs
• + testsuite/tests/simd/should_run/Simd009c.hs
• testsuite/tests/unboxedsums/T22187.hs → testsuite/tests/simd/should_run/T22187.hs
• testsuite/tests/unboxedsums/T22187_run.hs → testsuite/tests/simd/should_run/T22187_run.hs
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• + testsuite/tests/simd/should_run/simd014.stdout
• + testsuite/tests/simd/should_run/simd014Cmm.cmm
• + testsuite/tests/simd/should_run/simd_insert.hs
• + testsuite/tests/simd/should_run/simd_insert.stdout
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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/prog003/simplCore.oneShot.stderr → testsuite/tests/simplCore/prog003/simplCore-oneShot.stderr
• testsuite/tests/simplCore/prog003/simplCore.oneShot.stdout → testsuite/tests/simplCore/prog003/simplCore-oneShot.stdout
• testsuite/tests/simplCore/prog003/test.T
• + testsuite/tests/simplCore/should_compile/DataToTagFamilyScrut.hs
• + testsuite/tests/simplCore/should_compile/DataToTagFamilyScrut.stderr
• + testsuite/tests/simplCore/should_compile/DsSpecPragmas.hs
• + testsuite/tests/simplCore/should_compile/DsSpecPragmas.stderr
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• testsuite/tests/simplCore/should_compile/Makefile
• testsuite/tests/simplCore/should_compile/OpaqueNoCastWW.stderr
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• testsuite/tests/simplCore/should_compile/T12076sat.hs
• testsuite/tests/simplCore/should_compile/T12603.stdout
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• testsuite/tests/simplCore/should_compile/T15631.stdout
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• testsuite/tests/simplCore/should_compile/T17409.hs
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• testsuite/tests/simplCore/should_compile/T18013.stderr
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• + 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/cbits/iservmain.c
• utils/iserv/iserv.cabal.in
• + utils/jsffi/dyld.mjs
• + utils/jsffi/post-link.mjs
• + utils/jsffi/prelude.mjs
• + utils/jsffi/test-runner.mjs
• utils/llvm-targets/gen-data-layout.sh
• − utils/lndir/lndir-Xos.h
• − utils/lndir/lndir-Xosdefs.h
• − utils/lndir/lndir.c
• − utils/remote-iserv/Makefile
• utils/runghc/Main.hs
• − utils/runghc/Makefile
• − utils/runghc/runghc.wrapper
• − utils/touchy/Makefile
• − utils/touchy/touchy.c
• − utils/touchy/touchy.cabal
• − utils/unlit/Makefile
• − utils/vagrant/bootstrap-deb.sh
• − utils/vagrant/bootstrap-rhel.sh

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