Rodrigo Mesquita pushed to branch wip/romes/27461 at Glasgow Haskell Compiler / GHC

Commits:

• 3ec9e2b9
  by Mike Pilgrem at 2026-07-31T08:21:33-04:00

  GHC Guide: Improve docs on response files
  

• e5b2a1f7
  by sheaf at 2026-07-31T08:22:23-04:00

  Disable Core Lint for TcPlugin_RewritePerf
  
  This is a compiler performance test, but the test source hard-coded
  -dcore-lint, defeating the measurement.
  
  -------------------------
  Metric Decrease:
      TcPlugin_RewritePerf
  -------------------------
  

• 85b10c00
  by Alan Zimmerman at 2026-07-31T22:09:47+01:00

  EPA: Remove LocatedP from OverlapMode
  
  We have
  
    type LocatedP = GenLocated SrcSpanAnnP
    type SrcSpanAnnP = EpAnn AnnPragma
  
  As the first step in removing this in favour of LocatedA which only
  captures location, comments and trailing annotations, we remove it
  from OverlapMode
  
  We do this by moving the AnnPragma into the TTG extension point
  instead.
  

• c9a34a00
  by Viktor Dukhovni at 2026-08-02T04:34:17-04:00

  Fix note typo
  

• 4f2a21f7
  by Andreas Klebinger at 2026-08-02T22:46:46-04:00

  Apply oneShot Monad trick to STG LintM
  

• 21e4b89d
  by Andreas Klebinger at 2026-08-02T22:46:46-04:00

  stgLint: Use a single reader env for read only arguments.
  

• d415f38a
  by Alan Zimmerman at 2026-08-02T22:47:27-04:00

  EPA: Remove LocatedP from CType
  
  The next step of removing use of LocatedP by moving
  the AnnPragma for CType into its TTG extension point
  instead.
  

• 8fc6f882
  by Simon Jakobi at 2026-08-05T14:53:41-04:00

  testsuite: Don't crash on non-UTF-8 test output
  
  read_stdout, read_stderr_for, read_comp_stderr and read_diff decoded
  strictly (the first three with UTF-8, read_diff with the locale
  encoding), so a test emitting invalid UTF-8 (binary output, or a crash
  truncating a multi-byte character) raised UnicodeDecodeError and was
  reported as a framework failure instead of its actual result.
  
  Decode with errors='replace', like read_no_crs and safe_print.
  
  Assisted-by: Claude Fable 5
  

• 56534866
  by Simon Jakobi at 2026-08-05T14:53:41-04:00

  testsuite: Colorize the test summary, also in CI
  
  The summary headings were plain, and SUMMARY was colored unconditionally,
  so the escapes also ended up in the file written by --summary-file.
  Color is now decided per output sink via term_color.colored_if; see the
  comments in term_color.
  
  CI logs are not a tty, but GitLab's log viewer renders ANSI colors, so
  add --force-colors and pass it in .gitlab/ci.sh.
  
  Assisted-by: Claude Opus 5
  

• bceb541a
  by Simon Jakobi at 2026-08-05T14:53:42-04:00

  testsuite: Repeat unexpected failure output in the summary
  
  Finding out why a test failed meant scrolling back through a possibly
  very long log to the point where the test ran. The summary now repeats
  the captured output of unexpected failures, before the statistics, so
  the most interesting part is at the end of the log (#16720).
  
  Output mismatches report their diff instead of the mismatching stream
  (see Note [Redundant output in test results]). The repeated output is
  bounded per stream, and skipped altogether beyond
  MAX_SUMMARY_OUTPUT_TESTS failure blocks. Tests failing identically in
  several ways share one block.
  
  Test results now report a source-relative directory, stable regardless
  of where the run was started from.
  
  Assisted-by: Claude Fable 5
  

• 2ab02c57
  by Ben Gamari at 2026-08-05T14:54:24-04:00

  base: Don't drop exception context in SomeException(toException)
  
  For reasons that are lost to time, the implementation of [CLC #200]
  that was merged inappropriately dropped `ExceptionContext` in the
  `toException` implementation given to `SomeException`.
  
  Fix this infelicity.
  
  [CLC #200]: https://github.com/haskell/core-libraries-committee/issues/200
  

• 126ce574
  by Vladislav Zavialov at 2026-08-05T14:55:05-04:00

  Test case for #20902
  
  Starting with GHC 9.14.1 (the first major release to include 51e3ec83),
  and from point releases GHC 9.10.2 and GHC 9.12.3 (backports cc4470be68
  and b30f25591e), all examples in this ticket are handled as expected.
  

• b14d8d59
  by Alan Zimmerman at 2026-08-05T14:55:46-04:00

  EPA: Remove LocatedP, last use in WarningTxt
  
  The last step of removing LocatedP, by moving the AnnPragma for
  WarningTxt into its TTG extension point instead.
  
  This also allows us to remove LocatedP and SrcSpanAnnP
  

• 70b58c8f
  by Vladislav Zavialov at 2026-08-05T14:56:27-04:00

  Test cases for #18725
  
  Starting with GHC 9.4 (the first release to include 268efcc9a4), the program in
  this ticket no longer panics. A standalone kind signature breaks the recursive
  loop, so the type constructor can be used in a kind within its own group.
  
  T18725a checks that this is accepted with the signature present, while T18725b
  confirms it is still rejected without it.
  

• b18c8dd5
  by Zubin Duggal at 2026-08-06T15:51:01-04:00

  hie files: Dump the type table when dumping with -ddump-hie
  

• f839d0fb
  by Zubin Duggal at 2026-08-06T15:51:01-04:00

  hie files: Take evidence for quantified constraints into account when saving evidence terms to the hie ast
  
  Fixes #25709
  

• 5753ebaa
  by Simon Jakobi at 2026-08-06T15:51:43-04:00

  testsuite: fix stale paths for the ghc-config build artifacts
  
  ghc-config.hs moved from testsuite/mk/ to testsuite/ghc-config/ in
  6c7a49139c, but the .gitignore entry and the clean rule still referred to
  the old location. As a result the compiled ghc-config binary, which
  boilerplate.mk rebuilds on every make-driven test run, showed up as an
  untracked file and was never cleaned.
  
  Assisted-by: Claude Opus 5
  

• 246d4d72
  by Simon Peyton Jones at 2026-08-06T15:52:25-04:00

  Documentation only
  
  ...driven by my investigation of #27591
  

• be69e9df
  by Alan Zimmerman at 2026-08-06T15:53:05-04:00

  EPA: Replace AnnPragma with individual types
  
  We introduced AnnPragma as a common type for all pragma usages wrapped
  in LocatedP / SrcSpanAnnP. Now that those are gone, and the AnnPragma
  moved into the TTG points for the given items, we can ensure that each
  carries only the annotations it needs.
  
  So we remove AnnPragma, and in its place bring in
    AnnCType
    AnnWarningTxt
    AnnOverlap
    AnnAnnDecl
    AnnPragSCC
  

• 0779e12c
  by Simon Jakobi at 2026-08-07T12:36:11-04:00

  Cmm: print unreachable blocks under -dppr-debug (#27368)
  
  Unreachable blocks linger in a CmmGraph's block map for most of the Cmm
  pipeline, but pprCmmGraph only ever printed the blocks reachable from the
  entry, so dumps looked consistent while the graph was not. Issues like
   #27368 were hard to debug due to this.
  
  pprCmmGraph now appends the stored-but-unreachable blocks under a
  "// unreachable blocks:" heading when -dppr-debug is on.
  See Note [unreachable blocks] in GHC.Cmm.Pipeline.
  
  Assisted-by: Claude Opus 5
  

• 3a0f9a51
  by Simon Peyton Jones at 2026-08-07T12:36:54-04:00

  Fix three bugs related to required type args and INLINE pragmas
  
  * `GHC.Core.Opt.Arity.mkEtaForAllMCo` got the visibility flags back to front,
    leading to a Lint error (#27557)
  
  * The arity in an InlineSaturation is the VisArity not the Arity; the
    two can differ when we have "required" type arguments.  This made the
    INLINE pragma argument counting go wrong in `makeCorePair` (#27590).
  
  * When a simple binding has a type signature, we take special path in `tcPolyCheck`,
    leading to an outer `AbsBinds` that has no dictionaries, even when the binding
    is in fact overloaded.  That confused the inline-arity computation in
    `makeCorePair` (#27589).
  
  The latter two are fixed using the new function `GHC.HsToCore.Binds.findSatArity`.
  That actually simplifies the API of `makeCorePair`, which is nice.
  
  The first bug is fixed by swapping the visiblity flags in
  `GHC.Core.Opt.Arity.mkEtaForAllMCo`
  
  Getting the INLINE behaviour right led to some perf changes:
    * Runtime /halved/ on T7954 due to better specialisation
    * Compile time increased by 6% in T21839c because a bit more inlining
      happened, as it always should have done.
    * For some reason compile-time max-bytes-used dropped by 30% on
      T27336, but only on one build configuration; and it increased
      on LinkableUsage02 by 6% on another configuration
  
  Geometric mean effect on our compile time benchmarks is +0.1%.
  
  Metric Decrease:
      T27336
      T7954
  Metric Increase:
      LinkableUsage02
      T21839c
  

• 4f985108
  by Vladislav Zavialov at 2026-08-07T17:49:50-04:00

  Discard type arguments in tcPatToExpr (#27440, #27583)
  
  The builder expression of an implicitly bidirectional pattern synonym must not
  mention types written in the RHS:
  
    * Invisible type arguments led to a panic (#27440)
    * Required type arguments failed with out-of-scope variables (#27583)
  
  Both are now discarded, following the precedent established by pattern
  signatures (#9867).
  
  Discarding type arguments takes some care: a type pattern cannot be told from a
  value pattern by syntax alone, as the `type` keyword may be omitted. Consider:
  
      data T a b c where
        MkT :: forall a. forall b c -> a -> T a b c
  
      pattern P :: x -> T x y z
      pattern P x = MkT @a (type b) c x
  
  In P's right-hand side, `@a` and `type b` are clearly type arguments, but what
  about `c` and `x`? We can only tell by matching the patterns against MkT's
  type. So tcPatToExpr now runs in TcM and matches the arguments against the
  constructor's TyVarBinders using zipPatsBndrs, which is made public for this
  purpose. The resulting builder is $bP x = MkT _ _ x.
  
  See Note [Discarding types in the builder expression].
  
  Test cases: T27440a T27440b T27440c T27440d T27440e
              T27583a T27583b T27583c T27583d T27583e T27583f T27583g
  
  Metric Increase: LinkableUsage02
  Metric Decrease: T27336
  
  Assisted-by: Claude Opus 5
  

• eb1dcd4d
  by sheaf at 2026-08-07T17:50:40-04:00

  mkWpFun_FRR: fix ordering of coercion composition
  
  When the subsumption machinery generates an eta-expansion, we must
  perform a representation polymorphism check to ensure the lambda binder
  it introduces has a fixed runtime representation.
  This is done in GHC.Tc.Utils.mkWpFun_FRR.
  
  This check involves composing quite a few coercions, arising from
  representation-polymorphism checks on both the actual and expected
  argument types. These coercions are then chained using HsWrapper
  composition, <.>. The ordering of composition was incorrect, leading to
  the Core Lint failure reported in #27639. This commit fixes that.
  
  Fixes #27639
  

• 3a552476
  by Simon Jakobi at 2026-08-09T15:20:06-04:00

  Word64Map: add compareSize
  
  compareSize m c compares the size of a map to an Int, but unlike
  compare (size m) c it stops traversing the map once the outcome is
  determined.
  
  Based on https://github.com/haskell/containers/pull/1139
  
  Assisted-by: Claude Opus 5
  

• 6e2c99d8
  by Simon Jakobi at 2026-08-09T15:20:06-04:00

  Use a pigeonhole sort for deterministic UniqDFM iteration
  
  Deterministic UniqDFM iteration used a list mergesort, allocating O(n
  log n) cons cells and contributing significantly to compiler allocations
  (#27459).
  
  Use a pigeonhole sort where appropriate, while retaining the mergesort
  fallback. See Note [Sorting a UDFM] and Note [Cost of deterministic
  iteration].
  
  The peak_megabytes_allocated increase for LinkableUsage02 is probably
  due to GC timing noise. See #27613.
  
  -------------------------
  Metric Decrease:
      InstanceMatching
      InstanceMatching1
      ManyAlternatives
      T12707
      T13379
      T13719
      T24471
      T27336
      T5321FD
      T5321Fun
      T783
  Metric Increase 'peak_megabytes_allocated':
      LinkableUsage02
  -------------------------
  
  Assisted-by: gpt-5.6-sol via Codex CLI
  

• a938ab12
  by sheaf at 2026-08-09T15:20:48-04:00

  Testsuite: don't measure max residency for T27336
  
  We really care more about total allocations for this test, so this commit
  removes the maximum residency measurement.

• 7d94bb78
  by Alan Zimmerman at 2026-08-09T15:21:29-04:00

  EPA: Remove LocatedE, replace with LocatedA
  
  This gets rid of one more LocatedXXX occurrence
  

• d6004471
  by Simon Peyton Jones at 2026-08-10T12:16:22+02:00

  Major patch to re-engineer known-key names
  
  This big patch implements the New Plan for known-key names,
  described in #27013.
  
  Read the big Note [Overview of known-key names] in GHC.Types.Name
  
  Some things had to be reworked slightly to accomodate the new known-keys
  design. A significant one was the generation of auxiliary KindRep
  bindings, which was greatly simplified. Note [Grand plan for Typeable]
  was updated accordingly. Another example: GHC.Internal.CString was
  merged into GHC.Internal.Types.
  
  Co-authored-by: Rodrigo Mesquita <rodrigo.m.mesquita@gmail.com>
  
  The couple hundreds of hours spent here by Rodrigo were sponsored by Well-Typed
  
  Metrics: compile_time/bytes allocated
  -------------------------------------
                                                         Baseline
                                    Test    Metric          value      New value Change
  ------------------------------------------------------------------------------------------
        MultiComponentModules100(normal) ghc/alloc 24,312,779,672 24,990,470,432  +2.8%  BAD
     MultiComponentModulesRecomp(normal) ghc/alloc    601,924,960    621,884,888  +3.3%  BAD
  MultiComponentModulesRecomp100(normal) ghc/alloc 11,884,065,432 12,531,373,704  +5.4%  BAD
               MultiLayerModules(normal) ghc/alloc  3,861,537,072  3,706,919,512  -4.0% GOOD
                          T13701(normal) ghc/alloc  3,517,246,392  3,237,179,616  -8.0% GOOD
                          T13820(normal) ghc/alloc     28,961,056     29,663,208  +2.4%  BAD
                          T14697(normal) ghc/alloc    472,044,184    443,550,048  -6.0% GOOD
                          T18140(normal) ghc/alloc     47,905,664     49,115,808  +2.5%  BAD
                           T4801(normal) ghc/alloc    269,339,096    263,432,040  -2.2% GOOD
                            T783(normal) ghc/alloc    341,112,672    333,339,952  -2.3% GOOD
                  hard_hole_fits(normal) ghc/alloc    222,164,728    213,433,808  -3.9% GOOD
                        mhu-perf(normal) ghc/alloc     49,011,440     46,706,280  -4.7% GOOD
  
                               geo. mean                                          +0.1%
                               minimum                                            -8.0%
                               maximum                                            +5.4%
  
  All performance regressions were investigated in depth. The surviving
  ones:
  
  - MultiComponentModules100, MultiComponentModulesRecomp100,
    MultiComponentModulesRecomp regresses because existing bugs that make
    an additional implicit edge do too much redundant work: #27053 and #27461
  - T13820, T18140, T10547, T13035 regress because we load an additional
    interface and associated Names for GHC.Essentials.
  
  -------------------------
  Metric Decrease:
      MultiLayerModules
      T13701
      T14697
      T26989
      T4801
      T783
      hard_hole_fits
      mhu-perf
      size_hello_obj
  Metric Increase:
      LinkableUsage01
      LinkableUsage02
      MultiComponentModules100
      MultiComponentModulesRecomp
      MultiComponentModulesRecomp100
      T10547
      T13035
      T13820
      T18140
      T18698a
      T18698b
      T20049
  -------------------------
  
  Bumps submodule binary
  
  Closes #27013
  

• 0a84f911
  by sheaf at 2026-08-10T12:22:47+02:00

  Allow GHC.Essentials to be hidden
  
  This commit overhauls several aspects of the known entity handling,
  in order to allow GHC.Essentials to be hidden without a proliferation
  of special cases in the compiler.
  
  The main contribution is to introduce the 'UnresolvedImport' datatype
  which cleans up a lot of ad-hoc handling relating to 'ModSummary',
  fixing #27603. This allows us to reduce duplication, e.g. by having
  Backpack reuse 'mkUnresolvedImports' instead of replicating the
  "add implicit imports" logic. It also makes it easier to avoid
  undesirable edge cases (such as making sure that the Template Haskell
  'reifyModule' function does not leak the implicit GHC.Essentials import).
  In particular, the infamous 'findImportedModuleWithIsBoot' is now simply
  'resolveImport', taking a single 'UnresolvedImport' and resolving it
  to a 'FindResult' (usually a 'Module').
  
  Other changes:
  
    - Cache the result of looking up GHC.Essentials (in TcM and DsM
      environments) to avoid redundant work.
      This reduces allocations on LinkableUsage01 and hard_hole_fits.
    - Properly look up known entities for StaticPointers like we do for
      other known entities everywhere else. This allows e.g. modules in
      ghc-internal to use -XStaticPointers.
    - When using multiple home units, we are now careful to handle the
      situation in which we may have multiple GHC.Essentials modules
      around. See the new tests under 'driver/multipleHomeUnits'.
  

• 57befcc6
  by Rodrigo Mesquita at 2026-08-10T13:51:52+01:00

  loopImports: Don't dup ms_uid in summary imports
  
  We were writing the ms_unitid of the mod summary with every single
  import of that module
  
  That complicated the code (as though the UnitId in that list could ever
  be something else) and also allocates unnecessarily per every mod
  import. Very slight allocation decrease measured locally in a few tests:
  (MultiComponentModulesRecomp: -0.06%; MultiComponentModulesRecomp100: -0.05%)
  
  Purely a clean up.
  

• b481e017
  by Rodrigo Mesquita at 2026-08-10T14:14:15+01:00

  downsweep: make control flow simpler and cache correct
  
  This refactor extracts the control flow of downsweep into a single
  function `dfsBuild`, which takes care of iteratively expanding and
  traversing all nodes of the in-construction module graph necessary to
  build a full `ModuleGraph`.
  
  There are three levels of caching going on, all of which are necessary
  to make sure we don't do repeated work (notably, NEVER summarise the
  same module twice).
  
  1. `dfsBuild` accumulates the final module graph and never revisits the
     same node of the module graph. Cache is keyed by the final
     `ModuleGraph`s `NodeKey`s.
  
  2. For Module A in home-unit u1, each import in the list of imports
     needs to be *found* (call to `findImportedModuleWithIsBoot`): at this
     point, we only have the `ModuleName` of the import, not the `Module`.
     This *finding* is somewhat expensive, so we cache it as well
     (`ImportsCache`). The cache key is the home-unit to which the module
     belongs~[1], the import package qualifier, and the ModuleName.
  
     [1] Different home-units will have different package flags, which means
     potentially different `Module` resolution for the same `ModuleName`.
  
  3. The most expensive operation we want to avoid is summarising a
     `Module` into a `ModSummary`, which notably involves parsing the
     module header from scratch.
     The third cache, in essence, maps a `Module` to its `ModSummary`
     (named `ModSummaryCache`). This cache upholds the invariant: we NEVER
     summarise the same module twice. In practice, the cache key is the
     Module's UnitId and the Source path; the reason is we need to
     distinguish between `.hs` and `.hs-boot` files, as their summaries
     will differ.
  
     Note that (2) can't guarantee this alone: Two ModuleName imports in
     separate units can (and likely do) map to the same `Module`.
  
  Note that the previous implementation failed to achieve the
  no-duplicate-work summarisation invariant, and we ended up doing a
  quadratic amount of processing in scenarios like test
  `MultiComponentModules100`.
  
  See also Note [Downsweep Control Flow and Caching]
  
  Fixes #27461
  
  Perf changes:
           MultiComponentModules(normal) ghc/alloc  2,097,389,264  1,992,186,736  -5.0% GOOD
        MultiComponentModules100(normal) ghc/alloc 24,310,173,770 21,293,867,360 -12.4% GOOD
     MultiComponentModulesRecomp(normal) ghc/alloc    602,761,394    498,543,984 -17.3% GOOD
  MultiComponentModulesRecomp100(normal) ghc/alloc 11,885,968,240  8,895,404,864 -25.2% GOOD
  
  -------------------------
  Metric Decrease:
      MultiComponentModules
      MultiComponentModules100
      MultiComponentModulesRecomp
      MultiComponentModulesRecomp100
  -------------------------
  

• 9e469109
  by Rodrigo Mesquita at 2026-08-10T15:14:23+01:00

  implicitRequirementsShallow can never reach HoleUnit
  
  findImportedModule will never return `HoleUnit` for a `ModuleName`
  (a `HoleUnit` can only be found as a signature instantiation, never as a
  directly *imported* thing)
  
  Therefore, we can drop `[ModuleName]` returned by
  `implicitRequirementsShallow`, which makes many things dead code.
  Namely, the call to `implicitRequirementsShallow` from
  GHC.Driver.Downsweep which was a performance bottleneck (for doing lots
  of duplicate work in findImportedModule) is now entirely gone.
  
  Fixes #27053
  
  In an MR with this patch and the downsweep refactor (previous commit), CI says:
  
           MultiComponentModules(normal) ghc/alloc  2,097,396,728  1,943,662,304  -7.3% GOOD
        MultiComponentModules100(normal) ghc/alloc 24,310,182,136 17,227,574,440 -29.1% GOOD
     MultiComponentModulesRecomp(normal) ghc/alloc    602,769,518    449,973,656 -25.3% GOOD
  MultiComponentModulesRecomp100(normal) ghc/alloc 11,885,976,408  4,828,894,160 -59.4% GOOD
  
  -------------------------
  Metric Decrease:
      MultiComponentModules
      MultiComponentModules100
      MultiComponentModulesRecomp
      MultiComponentModulesRecomp100
  -------------------------
  

• ef6473b5
  by Rodrigo Mesquita at 2026-08-10T15:14:29+01:00

  downsweep: Cache negative results
  
  When traversing a module graph structure, a uniquely identified node
  should always expand to the same thing.
  
  I don't see how visiting the same node which failed to be expanded a
  first time would ever successfully expand the second time we try to
  expand it (eg. when coming from a different edge to it -- it is still
  the same node!). The node expansion is local, based just based on the
  node itself, not on the path to get there.
  
  Therefore, this patch removes the weird behavior and commentary of
  `dfsBuild` wrt to `Nothing` not being cached and being potentially
  expanded a second time around to something different, which was
  misleading and, ultimately, incorrect.
  
  Now, we have a `MGRes`, which is more explicit about a node being
  Skipped just being a node that is ignored whenever it is found (and that
  skip is cached) -- and we may want to do this due to failures or due to
  just trying nodes which might not work on purpose, like hs-boots.
  
  We uniformly cache positive and negative results and remove the
  assumption that there might be an ordering in which the same node
  visited at a later time might be expanded differently.
  
  This makes it possible to traverse the module nodes in parallel without
  a change in behavior, since there's no longer a hidden ordering
  requirement.
  

• f74959b3
  by Rodrigo Mesquita at 2026-08-10T15:14:29+01:00

  Organize and clean-up GHC.Driver.Downsweep
  
  Simply some cosmetic changes, moving definitions around to structure the
  module better into its relevant sections
  
  (In go (ns ++ ss), it's not a problem to use ++ because it's a good
  producer and we won't have to append fully before processing the next
  item in go)
  

900 changed files:

• .gitlab/ci.sh
• + changelog.d/T27368-ppr-unreachable-cmm-blocks.md
• + changelog.d/T27440
• + changelog.d/T27455
• + changelog.d/T27557
• + changelog.d/T27583
• + changelog.d/T27589
• + changelog.d/T27639
• + changelog.d/downsweep-refactor
• + changelog.d/refactor-known-names
• compiler/GHC.hs
• + compiler/GHC/Builtin.hs
• + compiler/GHC/Builtin/KnownKeys.hs
• + compiler/GHC/Builtin/KnownOccs.hs
• + compiler/GHC/Builtin/Modules.hs
• − compiler/GHC/Builtin/Names.hs
• − compiler/GHC/Builtin/Names/TH.hs
• compiler/GHC/Builtin/PrimOps.hs
• compiler/GHC/Builtin/PrimOps/Casts.hs
• compiler/GHC/Builtin/PrimOps/Ids.hs
• + compiler/GHC/Builtin/TH.hs
• compiler/GHC/Builtin/Uniques.hs
• compiler/GHC/Builtin/Uniques.hs-boot
• − compiler/GHC/Builtin/Utils.hs
• + compiler/GHC/Builtin/WiredIn/Ids.hs
• compiler/GHC/Builtin/Types/Prim.hs → compiler/GHC/Builtin/WiredIn/Prim.hs
• compiler/GHC/Builtin/Types/Literals.hs → compiler/GHC/Builtin/WiredIn/TypeLits.hs
• compiler/GHC/Builtin/Types.hs → compiler/GHC/Builtin/WiredIn/Types.hs
• compiler/GHC/Builtin/Types.hs-boot → compiler/GHC/Builtin/WiredIn/Types.hs-boot
• compiler/GHC/ByteCode/Asm.hs
• compiler/GHC/Cmm.hs
• compiler/GHC/Cmm/Pipeline.hs
• compiler/GHC/Core.hs
• compiler/GHC/Core/Class.hs
• compiler/GHC/Core/Coercion.hs
• compiler/GHC/Core/DataCon.hs
• compiler/GHC/Core/FVs.hs
• compiler/GHC/Core/FamInstEnv.hs
• compiler/GHC/Core/Lint.hs
• compiler/GHC/Core/Make.hs
• compiler/GHC/Core/Multiplicity.hs
• compiler/GHC/Core/Opt/Arity.hs
• compiler/GHC/Core/Opt/ConstantFold.hs
• compiler/GHC/Core/Opt/CprAnal.hs
• compiler/GHC/Core/Opt/DmdAnal.hs
• compiler/GHC/Core/Opt/LiberateCase.hs
• compiler/GHC/Core/Opt/OccurAnal.hs
• compiler/GHC/Core/Opt/SetLevels.hs
• compiler/GHC/Core/Opt/Simplify/Env.hs
• compiler/GHC/Core/Opt/Simplify/Iteration.hs
• compiler/GHC/Core/Opt/SpecConstr.hs
• compiler/GHC/Core/Opt/Specialise.hs
• compiler/GHC/Core/Opt/WorkWrap/Utils.hs
• compiler/GHC/Core/Ppr.hs
• compiler/GHC/Core/Predicate.hs
• compiler/GHC/Core/Rules.hs
• compiler/GHC/Core/SimpleOpt.hs
• compiler/GHC/Core/Subst.hs
• compiler/GHC/Core/TyCo/FVs.hs
• compiler/GHC/Core/TyCo/Rep.hs
• compiler/GHC/Core/TyCon.hs
• compiler/GHC/Core/Type.hs
• compiler/GHC/Core/Unfold.hs
• compiler/GHC/Core/Unify.hs
• compiler/GHC/Core/Utils.hs
• compiler/GHC/CoreToIface.hs
• compiler/GHC/CoreToStg.hs
• compiler/GHC/CoreToStg/Prep.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/Driver/Backpack.hs
• compiler/GHC/Driver/Config/Tidy.hs
• compiler/GHC/Driver/Downsweep.hs
• compiler/GHC/Driver/DynFlags.hs
• compiler/GHC/Driver/Env.hs
• compiler/GHC/Driver/Env/KnotVars.hs
• compiler/GHC/Driver/Env/Types.hs
• compiler/GHC/Driver/Flags.hs
• compiler/GHC/Driver/Main/Hsc.hs
• compiler/GHC/Driver/Main/Passes.hs
• compiler/GHC/Driver/Make.hs
• compiler/GHC/Driver/MakeFile.hs
• compiler/GHC/Driver/Pipeline.hs
• compiler/GHC/Driver/Pipeline/Execute.hs
• compiler/GHC/Driver/Plugins.hs
• compiler/GHC/Driver/Session.hs
• compiler/GHC/Hs/Decls.hs
• compiler/GHC/Hs/Decls/Overlap.hs
• compiler/GHC/Hs/Dump.hs
• compiler/GHC/Hs/Expr.hs
• compiler/GHC/Hs/ImpExp.hs
• compiler/GHC/Hs/Lit.hs
• compiler/GHC/Hs/Pat.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/Expr.hs
• compiler/GHC/HsToCore/Foreign/C.hs
• compiler/GHC/HsToCore/Foreign/Call.hs
• compiler/GHC/HsToCore/Foreign/JavaScript.hs
• compiler/GHC/HsToCore/Foreign/Utils.hs
• compiler/GHC/HsToCore/Foreign/Wasm.hs
• compiler/GHC/HsToCore/ListComp.hs
• compiler/GHC/HsToCore/Match.hs
• compiler/GHC/HsToCore/Match/Literal.hs
• compiler/GHC/HsToCore/Monad.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/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/Env.hs
• − compiler/GHC/Iface/Env.hs-boot
• compiler/GHC/Iface/Errors/Ppr.hs
• compiler/GHC/Iface/Errors/Types.hs
• compiler/GHC/Iface/Ext/Ast.hs
• compiler/GHC/Iface/Ext/Types.hs
• compiler/GHC/Iface/Load.hs
• compiler/GHC/Iface/Make.hs
• compiler/GHC/Iface/Recomp.hs
• compiler/GHC/Iface/Syntax.hs
• compiler/GHC/Iface/Tidy.hs
• compiler/GHC/Iface/Type.hs
• compiler/GHC/Iface/Warnings.hs
• compiler/GHC/IfaceToCore.hs
• compiler/GHC/Parser.y
• compiler/GHC/Parser/Annotation.hs
• compiler/GHC/Parser/Errors/Ppr.hs
• compiler/GHC/Parser/Header.hs
• compiler/GHC/Parser/PostProcess.hs
• compiler/GHC/Plugins.hs
• compiler/GHC/Rename/Env.hs
• compiler/GHC/Rename/Expr.hs
• compiler/GHC/Rename/HsType.hs
• compiler/GHC/Rename/Lit.hs
• compiler/GHC/Rename/Module.hs
• compiler/GHC/Rename/Names.hs
• compiler/GHC/Rename/Pat.hs
• compiler/GHC/Rename/Splice.hs
• compiler/GHC/Rename/Unbound.hs
• compiler/GHC/Rename/Utils.hs
• compiler/GHC/Runtime/Context.hs
• compiler/GHC/Runtime/Debugger.hs
• compiler/GHC/Runtime/Eval.hs
• compiler/GHC/Runtime/Heap/Inspect.hs
• compiler/GHC/Runtime/Interpreter.hs
• compiler/GHC/Runtime/Loader.hs
• compiler/GHC/Stg/BcPrep.hs
• compiler/GHC/Stg/Lint.hs
• compiler/GHC/Stg/Unarise.hs
• compiler/GHC/StgToByteCode.hs
• compiler/GHC/StgToCmm/Bind.hs
• compiler/GHC/StgToCmm/DataCon.hs
• compiler/GHC/StgToCmm/Env.hs
• compiler/GHC/StgToCmm/Foreign.hs
• compiler/GHC/StgToCmm/Lit.hs
• compiler/GHC/StgToCmm/Ticky.hs
• compiler/GHC/StgToJS/Apply.hs
• compiler/GHC/StgToJS/Arg.hs
• compiler/GHC/StgToJS/Expr.hs
• compiler/GHC/StgToJS/FFI.hs
• compiler/GHC/StgToJS/Linker/Utils.hs
• compiler/GHC/StgToJS/Utils.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/Ppr.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/Export.hs
• compiler/GHC/Tc/Gen/Expr.hs
• 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/Pat.hs
• compiler/GHC/Tc/Gen/Sig.hs
• compiler/GHC/Tc/Gen/Splice.hs
• compiler/GHC/Tc/Instance/Class.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/FunDeps.hs
• compiler/GHC/Tc/Solver/InertSet.hs
• compiler/GHC/Tc/Solver/Monad.hs
• compiler/GHC/Tc/Solver/Rewrite.hs
• compiler/GHC/Tc/TyCl.hs
• compiler/GHC/Tc/TyCl/Build.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/Constraint.hs
• compiler/GHC/Tc/Types/Evidence.hs
• compiler/GHC/Tc/Types/LclEnv.hs
• compiler/GHC/Tc/Types/Origin.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/TcType.hs
• compiler/GHC/Tc/Utils/Unify.hs
• compiler/GHC/Tc/Validity.hs
• compiler/GHC/Tc/Zonk/Type.hs
• compiler/GHC/ThToHs.hs
• compiler/GHC/Types/Arity.hs
• compiler/GHC/Types/DefaultEnv.hs
• compiler/GHC/Types/Error/Codes.hs
• compiler/GHC/Types/ForeignCall.hs
• compiler/GHC/Types/Hint.hs
• compiler/GHC/Types/Hint/Ppr.hs
• compiler/GHC/Types/Id/Make.hs
• compiler/GHC/Types/InlinePragma.hs
• compiler/GHC/Types/Literal.hs
• compiler/GHC/Types/Name.hs
• compiler/GHC/Types/Name/Cache.hs
• compiler/GHC/Types/Name/Ppr.hs
• compiler/GHC/Types/Name/Reader.hs
• compiler/GHC/Types/RepType.hs
• compiler/GHC/Types/TyThing.hs
• compiler/GHC/Types/Unique.hs
• compiler/GHC/Types/Unique/DFM.hs
• compiler/GHC/Types/Unique/FM.hs
• + compiler/GHC/Types/UnresolvedImport.hs
• compiler/GHC/Types/Var.hs
• compiler/GHC/Unit.hs
• compiler/GHC/Unit/Env.hs
• compiler/GHC/Unit/External.hs
• compiler/GHC/Unit/External/Index.hs
• compiler/GHC/Unit/External/ModuleOrigin.hs
• compiler/GHC/Unit/External/Providers.hs
• compiler/GHC/Unit/Finder.hs
• compiler/GHC/Unit/Finder/Types.hs
• compiler/GHC/Unit/Module/Deps.hs
• compiler/GHC/Unit/Module/ModSummary.hs
• compiler/GHC/Unit/Module/Warnings.hs
• compiler/GHC/Unit/State.hs
• compiler/GHC/Unit/Types.hs
• compiler/GHC/Utils/Binary.hs
• − compiler/GHC/Utils/Binary/Typeable.hs
• compiler/Language/Haskell/Syntax/Expr.hs
• compiler/ghc.cabal.in
• docs/users_guide/debugging.rst
• docs/users_guide/separate_compilation.rst
• docs/users_guide/using.rst
• ghc/GHCi/UI.hs
• ghc/GHCi/UI/Monad.hs
• ghc/Main.hs
• libraries/base/base.cabal.in
• libraries/base/changelog.md
• libraries/base/src/Control/Applicative.hs
• libraries/base/src/Control/Concurrent.hs
• libraries/base/src/Control/Concurrent/Chan.hs
• libraries/base/src/Control/Concurrent/QSem.hs
• libraries/base/src/Control/Concurrent/QSemN.hs
• libraries/base/src/Data/Array/Byte.hs
• libraries/base/src/Data/Bifoldable.hs
• libraries/base/src/Data/Bifoldable1.hs
• libraries/base/src/Data/Bifunctor.hs
• libraries/base/src/Data/Bitraversable.hs
• libraries/base/src/Data/Bool.hs
• libraries/base/src/Data/Complex.hs
• libraries/base/src/Data/Data.hs
• libraries/base/src/Data/Enum.hs
• libraries/base/src/Data/Fixed.hs
• libraries/base/src/Data/Foldable1.hs
• libraries/base/src/Data/Functor/Classes.hs
• libraries/base/src/Data/Functor/Compose.hs
• libraries/base/src/Data/Functor/Contravariant.hs
• libraries/base/src/Data/Functor/Product.hs
• libraries/base/src/Data/Functor/Sum.hs
• libraries/base/src/Data/List.hs
• libraries/base/src/Data/List/NonEmpty.hs
• libraries/base/src/Data/List/NubOrdSet.hs
• libraries/base/src/Data/Semigroup.hs
• libraries/base/src/Data/Version.hs
• libraries/base/src/GHC/Base.hs
• libraries/base/src/GHC/ByteOrder.hs
• + libraries/base/src/GHC/Essentials.hs
• libraries/base/src/GHC/Exts.hs
• libraries/base/src/GHC/Fingerprint.hs
• libraries/base/src/GHC/RTS/Flags.hs
• libraries/base/src/GHC/ResponseFile.hs
• libraries/base/src/GHC/Stats.hs
• libraries/base/src/GHC/Weak/Finalize.hs
• libraries/base/src/Numeric.hs
• libraries/base/src/Prelude.hs
• libraries/base/src/System/CPUTime/Posix/ClockGetTime.hsc
• libraries/base/src/System/CPUTime/Posix/RUsage.hsc
• libraries/base/src/System/CPUTime/Posix/Times.hsc
• libraries/base/src/System/CPUTime/Unsupported.hs
• libraries/base/src/System/Console/GetOpt.hs
• libraries/base/src/System/Exit.hs
• libraries/base/src/System/IO.hs
• libraries/base/src/System/IO/OS.hs
• libraries/base/src/System/IO/Unsafe.hs
• libraries/base/src/System/Info.hs
• libraries/base/src/System/Timeout.hs
• libraries/base/src/Text/Printf.hs
• libraries/base/src/Text/Read.hs
• libraries/base/src/Text/Show/Functions.hs
• libraries/base/tests/perf/ElemFusionUnknownList_O1.stderr
• libraries/base/tests/perf/ElemFusionUnknownList_O2.stderr
• libraries/binary
• libraries/ghc-experimental/src/Data/Sum/Experimental.hs
• libraries/ghc-experimental/src/Data/Tuple/Experimental.hs
• libraries/ghc-experimental/src/GHC/Profiling/Eras.hs
• libraries/ghc-experimental/src/Prelude/Experimental.hs
• libraries/ghc-internal/codepages/MakeTable.hs
• libraries/ghc-internal/ghc-internal.cabal.in
• libraries/ghc-internal/include/RtsIfaceSymbols.h
• libraries/ghc-internal/src/GHC/Internal/AllocationLimitHandler.hs
• libraries/ghc-internal/src/GHC/Internal/Arr.hs
• libraries/ghc-internal/src/GHC/Internal/ArrayArray.hs
• libraries/ghc-internal/src/GHC/Internal/Base.hs
• libraries/ghc-internal/src/GHC/Internal/Bignum/Backend.hs
• libraries/ghc-internal/src/GHC/Internal/Bignum/Backend/GMP.hs
• libraries/ghc-internal/src/GHC/Internal/Bignum/Backend/Native.hs
• libraries/ghc-internal/src/GHC/Internal/Bignum/BigNat.hs
• libraries/ghc-internal/src/GHC/Internal/Bignum/BigNat.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Bignum/Integer.hs
• libraries/ghc-internal/src/GHC/Internal/Bignum/Integer.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Bignum/Natural.hs
• libraries/ghc-internal/src/GHC/Internal/Bignum/Natural.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Bignum/Primitives.hs
• libraries/ghc-internal/src/GHC/Internal/Bignum/WordArray.hs
• libraries/ghc-internal/src/GHC/Internal/Bits.hs
• libraries/ghc-internal/src/GHC/Internal/ByteOrder.hs
• libraries/ghc-internal/src/GHC/Internal/CString.hs
• libraries/ghc-internal/src/GHC/Internal/Char.hs
• libraries/ghc-internal/src/GHC/Internal/Classes.hs
• libraries/ghc-internal/src/GHC/Internal/Classes/IP.hs
• libraries/ghc-internal/src/GHC/Internal/Clock.hsc
• libraries/ghc-internal/src/GHC/Internal/ClosureTypes.hs
• libraries/ghc-internal/src/GHC/Internal/Conc/Bound.hs
• libraries/ghc-internal/src/GHC/Internal/Conc/IO.hs
• libraries/ghc-internal/src/GHC/Internal/Conc/POSIX.hs
• libraries/ghc-internal/src/GHC/Internal/Conc/POSIX/Const.hsc
• libraries/ghc-internal/src/GHC/Internal/Conc/Signal.hs
• libraries/ghc-internal/src/GHC/Internal/Conc/Sync.hs
• libraries/ghc-internal/src/GHC/Internal/ConsoleHandler.hsc
• libraries/ghc-internal/src/GHC/Internal/Control/Arrow.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Category.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Concurrent/MVar.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Exception.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad/Fail.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad/Fix.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad/IO/Class.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad/ST.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad/ST/Imp.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad/ST/Lazy.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad/ST/Lazy/Imp.hs
• libraries/ghc-internal/src/GHC/Internal/Control/Monad/Zip.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Bits.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Coerce.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Data.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Dynamic.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Either.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Foldable.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Function.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Functor.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Functor/Const.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Functor/Identity.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Functor/Utils.hs
• libraries/ghc-internal/src/GHC/Internal/Data/IORef.hs
• libraries/ghc-internal/src/GHC/Internal/Data/List.hs
• libraries/ghc-internal/src/GHC/Internal/Data/List/NonEmpty.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Maybe.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Monoid.hs
• libraries/ghc-internal/src/GHC/Internal/Data/NonEmpty.hs
• libraries/ghc-internal/src/GHC/Internal/Data/OldList.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Ord.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Proxy.hs
• libraries/ghc-internal/src/GHC/Internal/Data/STRef.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Semigroup/Internal.hs
• libraries/ghc-internal/src/GHC/Internal/Data/String.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Traversable.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Tuple.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Type/Bool.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Type/Coercion.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Type/Equality.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Type/Ord.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Typeable.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Typeable/Internal.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Unique.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Version.hs
• libraries/ghc-internal/src/GHC/Internal/Data/Void.hs
• libraries/ghc-internal/src/GHC/Internal/Debug/Trace.hs
• libraries/ghc-internal/src/GHC/Internal/Desugar.hs
• libraries/ghc-internal/src/GHC/Internal/Encoding/UTF8.hs
• libraries/ghc-internal/src/GHC/Internal/Enum.hs
• libraries/ghc-internal/src/GHC/Internal/Enum.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Environment.hs
• libraries/ghc-internal/src/GHC/Internal/Err.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Arr.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Array.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Control.hs
• libraries/ghc-internal/src/GHC/Internal/Event/EPoll.hsc
• libraries/ghc-internal/src/GHC/Internal/Event/IntTable.hs
• libraries/ghc-internal/src/GHC/Internal/Event/IntVar.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Internal.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Internal/Types.hs
• libraries/ghc-internal/src/GHC/Internal/Event/KQueue.hsc
• libraries/ghc-internal/src/GHC/Internal/Event/Manager.hs
• libraries/ghc-internal/src/GHC/Internal/Event/PSQ.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Poll.hsc
• libraries/ghc-internal/src/GHC/Internal/Event/Thread.hs
• libraries/ghc-internal/src/GHC/Internal/Event/TimeOut.hs
• libraries/ghc-internal/src/GHC/Internal/Event/TimerManager.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Unique.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Windows.hsc
• libraries/ghc-internal/src/GHC/Internal/Event/Windows/Clock.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Windows/ConsoleEvent.hsc
• libraries/ghc-internal/src/GHC/Internal/Event/Windows/FFI.hsc
• libraries/ghc-internal/src/GHC/Internal/Event/Windows/ManagedThreadPool.hs
• libraries/ghc-internal/src/GHC/Internal/Event/Windows/Thread.hs
• libraries/ghc-internal/src/GHC/Internal/Exception.hs
• libraries/ghc-internal/src/GHC/Internal/Exception/Backtrace.hs
• libraries/ghc-internal/src/GHC/Internal/Exception/Backtrace.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Exception/Context.hs
• libraries/ghc-internal/src/GHC/Internal/Exception/Context.hs-boot
• libraries/ghc-internal/src/GHC/Internal/Exception/Type.hs
• libraries/ghc-internal/src/GHC/Internal/Exception/Type.hs-boot
• libraries/ghc-internal/src/GHC/Internal/ExecutionStack.hs
• libraries/ghc-internal/src/GHC/Internal/ExecutionStack/Internal.hsc
• libraries/ghc-internal/src/GHC/Internal/Exts.hs
• libraries/ghc-internal/src/GHC/Internal/Fingerprint.hs
• libraries/ghc-internal/src/GHC/Internal/Fingerprint/Type.hs
• libraries/ghc-internal/src/GHC/Internal/Float.hs
• libraries/ghc-internal/src/GHC/Internal/Float/ConversionUtils.hs
• libraries/ghc-internal/src/GHC/Internal/Float/RealFracMethods.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/C/ConstPtr.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/C/Error.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/C/String.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/C/String/Encoding.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/C/Types.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/ForeignPtr/Imp.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Marshal/Alloc.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Marshal/Array.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Marshal/Error.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Marshal/Pool.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Marshal/Utils.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Ptr.hs
• libraries/ghc-internal/src/GHC/Internal/Foreign/Storable.hs
• libraries/ghc-internal/src/GHC/Internal/ForeignPtr.hs
• libraries/ghc-internal/src/GHC/Internal/ForeignSrcLang.hs
• libraries/ghc-internal/src/GHC/Internal/Functor/ZipList.hs
• libraries/ghc-internal/src/GHC/Internal/GHCi.hs
• libraries/ghc-internal/src/GHC/Internal/GHCi/Helpers.hs
• libraries/ghc-internal/src/GHC/Internal/Generics.hs
• libraries/ghc-internal/src/GHC/Internal/Heap/Closures.hs
• libraries/ghc-internal/src/GHC/Internal/Heap/Constants.hsc
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• testsuite/tests/typecheck/should_fail/T15883d.stderr
• testsuite/tests/typecheck/should_fail/T21130.stderr
• testsuite/tests/typecheck/should_fail/T3323.stderr
• testsuite/tests/typecheck/should_fail/T5095.stderr
• testsuite/tests/typecheck/should_fail/T7279.stderr
• testsuite/tests/typecheck/should_fail/TcStaticPointersFail02.stderr
• testsuite/tests/typecheck/should_fail/TyAppPat_PatternBindingExistential.stderr
• testsuite/tests/typecheck/should_fail/tcfail072.stderr
• testsuite/tests/typecheck/should_fail/tcfail097.stderr
• testsuite/tests/typecheck/should_fail/tcfail133.stderr
• testsuite/tests/typecheck/should_run/T22510.stdout
• testsuite/tests/unboxedsums/UbxSumLevPoly.hs
• testsuite/tests/unboxedsums/unboxedsums_unit_tests.hs
• + testsuite/tests/vdq-rta/should_compile/T27583a.hs
• + testsuite/tests/vdq-rta/should_compile/T27583b.hs
• + testsuite/tests/vdq-rta/should_compile/T27583c.hs
• + testsuite/tests/vdq-rta/should_compile/T27583d.hs
• + testsuite/tests/vdq-rta/should_compile/T27583e.hs
• + testsuite/tests/vdq-rta/should_compile/T27583g.hs
• testsuite/tests/vdq-rta/should_compile/all.T
• + testsuite/tests/vdq-rta/should_fail/T27440e.hs
• + testsuite/tests/vdq-rta/should_fail/T27440e.stderr
• + testsuite/tests/vdq-rta/should_fail/T27583f.hs
• + testsuite/tests/vdq-rta/should_fail/T27583f.stderr
• testsuite/tests/vdq-rta/should_fail/all.T
• testsuite/tests/warnings/should_compile/DerivingTypeable.stderr
• utils/check-exact/ExactPrint.hs
• utils/check-exact/Utils.hs
• utils/check-ppr/Main.hs
• utils/genprimopcode/Main.hs
• utils/haddock/haddock-api/src/Haddock/Convert.hs
• utils/haddock/haddock-api/src/Haddock/GhcUtils.hs
• utils/haddock/haddock-api/src/Haddock/Interface.hs
• utils/haddock/haddock-api/src/Haddock/Interface/AttachInstances.hs
• utils/haddock/haddock-api/src/Haddock/Interface/Create.hs
• utils/haddock/haddock-api/src/Haddock/Interface/Rename.hs
• utils/haddock/haddock-api/src/Haddock/Types.hs

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