Simon Peyton Jones pushed to branch wip/T26315 at Glasgow Haskell Compiler / GHC Commits: 54be78ef by Ben Gamari at 2025-08-19T16:28:05-04:00 testsuite: Fix T20006b This test is supposed to fail for non-threaded ways yet it was previously marked as only failing in `normal`. Fix this. - - - - - f4bac607 by Simon Peyton Jones at 2025-08-19T16:28:47-04:00 Take yet more care with reporting redundant constraints This small patch fixes #25992, which relates to reporting redundant constraints on default-method declarations. See (TRC5) in Note [Tracking redundant constraints] - - - - - ab130fec by fendor at 2025-08-19T16:29:29-04:00 Bump dependencies of hadrian-bootstrap-gen to use GHC 9.6.7 - - - - - 6d02ac6f by fendor at 2025-08-19T16:29:29-04:00 Bump required GHC version for test-bootstrap jobs to 9.10.1 Include test-bootstrap job for GHC 9.12.2. Update hadrian bootstrap plans use GHC 9.10 and 9.12 Remove older GHC bootstrap configurations. We require at least GHC 9.10.1 to build GHC. Adds plans for: * 9.10.1 * 9.10.2 * 9.12.1 * 9.12.2 - - - - - 9e857171 by Brandon Chinn at 2025-08-20T11:47:46-04:00 Don't warn unused-imports with used generated imports Fixes #21730 * The old notion of "implicit" import has been renamed to "generated". See Note [Generated imports] in GHC.Hs.ImpExp. * ImportMap now keeps track of generated and user-written imports separately. This avoids the fake SrcSpan we used to give the implicit Prelude import, and the hack that went with it. * -ddump-minimal-imports now considers generated imports (but still only warns on + prints user-written imports) * bestImport considers generated imports to take priority over user-written imports. - - - - - 9fb3bad4 by Ben Gamari at 2025-08-20T11:48:31-04:00 mailmap: Use ben@well-typed.com more liberally Nearly all of this work was done while working for Well-Typed. - - - - - 774fec37 by Ben Gamari at 2025-08-20T11:49:15-04:00 Add primop to annotate the call stack with arbitrary data We introduce a new primop `annotateStack#` which allows us to push arbitrary data onto the call-stack. This allows us to extract the data later when decoding the stack, for example when an exception is thrown, showing more information to the user without having to annotate the full call-stack with `HasCallStack` constraints. A new stack frame value is introduced `AnnFrame`, which consists of nothing but a generic payload. The primop has a small wrapper API that allows users to annotate their call-stack in programs. There is a pure API and an IO-based one. The former is a little bit dubious, as it affects the evaluation of a program, so use with care. The latter is "safe", as it doesn't change the evaluation of the program. The stack annotation mechanism is similarly implemented to the `ExceptionAnnotation` and `Exception`, there is a typeclass to indicate something can be pushed onto the call-stack and all values are wrapped in the existential `SomeStackAnnotation`, which recover the type of the annotation payload. There is currently no builtin way to show the stack annotations when `Backtraces` are displayed (i.e., when showing stack traces to the user), which we will address in a follow-up MR. ------------------------- Metric Increase: ghc_experimental_so ------------------------- We increase the size of the package, so this is not unreasonable. Co-Authored-By: fendor Co-Authored-By: Ben Gamari - - - - - fdfa3892 by Ben Gamari at 2025-08-20T11:49:57-04:00 testsuite: Add regression test for #24606 - - - - - 39b2e382 by Cheng Shao at 2025-08-20T11:50:40-04:00 compiler: only use `Name` instead of `Id` in `SptEntry` As a part of #26298, this patch refactors `SptEntry` to only carry a `Name` instead of `Id`: we do not care about extra information like caffyness or type at all in any static pointer related codegen logic. This is necessary to make `SptEntry` serializable, as a part of the grand plan of serializable bytecode. Co-authored-by: Codex - - - - - 276f8ea8 by Vekhir -- at 2025-08-20T11:51:35-04:00 Bump Cabal dependency - - - - - 0b9c7437 by Zubin Duggal at 2025-08-20T11:52:18-04:00 ci: Teach ci.sh to fetch FreeBSD artifacts from ghcup unofficial bindists and bootstrap compiler on FreeBSD to 9.10.1 Also refactor fetch_ghc logic in ci.sh, renaming the GHC_VERSION enviorment configuration variable to FETCH_GHC_VERSION, making it clear that it is intended for use on platforms like Windows and FreeBSD where we don't want to use the GHC excecutable from the platform environment and instead need to download and install GHC-$FETCH_GHC_VERSION from a release bindist. Fixes #26296 - - - - - b2914797 by Cheng Shao at 2025-08-20T11:53:00-04:00 driver: use UniqSet for hiddenModules in DynFlags/FinderOpts This patch replaces Set ModuleName with UniqSet ModuleName in DynFlags.hiddenModules and FinderOpts.finder_hiddenModules for improved efficiency. Co-authored-by: Codex - - - - - 0335d899 by Cheng Shao at 2025-08-20T11:53:00-04:00 driver: use UniqMap ModuleName in the finder This patch replaces Map ModuleName with UniqMap ModuleName in the finder for improved efficiency. Co-authored-by: Codex - - - - - 91f4faaa by Cheng Shao at 2025-08-20T11:53:43-04:00 configure: check python3 version and require minimal 3.7 Since !9515, the testsuite driver requires python3 version to be at least 3.7, though this has never been checked by configure logic. This patch implements the version check. Fixes #23234. Co-authored-by: Codex - - - - - df4ee9b4 by Cheng Shao at 2025-08-20T11:54:25-04:00 compiler: use zero cost coerce in GHC.CmmToAsm.CFG.loopInfo This patch refactors GHC.CmmToAsm.CFG.loopInfo to use zero cost coerce and thus addresses the TODO. For coerce to work, constructors of Label/LabelMap/LabelSet from GHC.Cmm.Dataflow.Label are exposed, though I believe it's a worthy tradeoff to avoid unnecessary runtime cost without using unsafeCoerce, since the latter could be a landmine for future refactoring. Co-authored-by: Codex - - - - - ccda188d by Simon Peyton Jones at 2025-08-20T11:55:07-04:00 Start with empty inerts in shortcut solving When short-cut solving we were starting with an inert set that had unsolved Wanteds. This caused an infinite loop (#26314), because a typechecker plugin kept being given that unsolved Wanted. It's better just to start with an empty inert set - - - - - c8882ed7 by Ben Gamari at 2025-08-20T11:55:49-04:00 configure: Bump minimal bootstrap GHC version to 9.8 - - - - - f0a19d74 by fendor at 2025-08-20T19:55:00-04:00 Remove deprecated functions from the ghci package - - - - - ebeb991b by fendor at 2025-08-20T19:55:00-04:00 base: Remove unstable heap representation details from GHC.Exts - - - - - e368e247 by Rodrigo Mesquita at 2025-08-20T19:55:42-04:00 bytecode: Use 32bits for breakpoint index Fixes #26325 - - - - - 42724462 by Simon Hengel at 2025-08-21T17:52:11-04:00 Serialize wired-in names as external names when creating HIE files Note that the domain of de-serialized names stays the same. Specifically, for known-key names, before `lookupKnownKeyName` was used, while now this is handled by `lookupOrigNameCache` which captures the same range provided that the OrigNameCache has been initialized with `knownKeyNames` (which is the case by default). (fixes #26238) - - - - - 6a43f8ec by Cheng Shao at 2025-08-21T17:52:52-04:00 compiler: fix closure C type in SPT init code This patch fixes the closure C type in SPT init code to StgClosure, instead of the previously incorrect StgPtr. Having an incorrect C type makes SPT init code not compatible with other foreign stub generation logic, which may also emit their own extern declarations for the same closure symbols and thus will clash with the incorrect prototypes in SPT init code. - - - - - 5b5d9d47 by Ben Gamari at 2025-08-25T14:29:35-04:00 Revert "STM: don't create a transaction in the rhs of catchRetry# (#26028)" This reverts commit 0a5836891ca29836a24c306d2a364c2e4b5377fd - - - - - 10f06163 by Cheng Shao at 2025-08-25T14:30:16-04:00 wasm: ensure setKeepCAFs() is called in ghci This patch is a critical bugfix for #26106, see comment and linked issue for details. - - - - - bedc1004 by Cheng Shao at 2025-08-26T09:31:18-04:00 compiler: use zero cost coerce in hoopl setElems/mapToList This patch is a follow-up of !14680 and changes setElems/mapToList in GHC/Cmm/Dataflow/Label to use coerce instead of mapping mkHooplLabel over the keys. - - - - - 13250d97 by Ryan Scott at 2025-08-26T09:31:59-04:00 Reject infix promoted data constructors without DataKinds In the rename, make sure to apply the same `DataKinds` checks for both `HsTyVar` (for prefix promoted data constructors) and `HsOpTy` (for infix promoted data constructors) alike. Fixes #26318. - - - - - 37655c46 by Teo Camarasu at 2025-08-26T15:24:51-04:00 tests: disable T22859 under LLVM This test was failing under the LLVM backend since the allocations differ from the NCG. Resolves #26282 - - - - - 2cbba9d6 by Teo Camarasu at 2025-08-26T15:25:33-04:00 base-exports: update version numbers As the version of the compiler has been bumped, a lot of the embedded version numbers will need to be updated if we ever run this test with `--test-accept` so let's just update them now, and keep future diffs clean. - - - - - f9f2ffcf by Alexandre Esteves at 2025-08-27T07:19:14-04:00 Import new name for 'utimbuf' on windows to fix #26337 Fixes an `-Wincompatible-pointer-types` instance that turns into an error on recent toolchains and surfaced as such on nixpkgs when doing linux->ucrt cross. This long-standing warning has been present at least since 9.4: ``` C:\GitLabRunner\builds\0\1709189\tmp\ghc16652_0\ghc_4.c:26:115: error: warning: incompatible pointer types passing 'struct utimbuf *' to parameter of type 'struct _utimbuf *' [-Wincompatible-pointer-types] | 26 | HsInt32 ghczuwrapperZC9ZCbaseZCSystemziPosixziInternalsZCzuutime(char* a1, struct utimbuf* a2) {return _utime(a1, a2);} | ^ HsInt32 ghczuwrapperZC9ZCbaseZCSystemziPosixziInternalsZCzuutime(char* a1, struct utimbuf* a2) {return _utime(a1, a2);} ^~ C:\GitLabRunner\builds\0\1709189\_build\stage0\lib\..\..\mingw\x86_64-w64-mingw32\include\sys\utime.h:109:72: error: note: passing argument to parameter '_Utimbuf' here | 109 | __CRT_INLINE int __cdecl _utime(const char *_Filename,struct _utimbuf *_Utimbuf) { | ^ __CRT_INLINE int __cdecl _utime(const char *_Filename,struct _utimbuf *_Utimbuf) { ``` - - - - - ae89f000 by Hassan Al-Awwadi at 2025-08-27T07:19:56-04:00 Adds the fucnction addDependentDirectory to Q, resolving issue #26148. This function adds a new directory to the list of things a module depends upon. That means that when the contents of the directory change, the recompilation checker will notice this and the module will be recompiled. Documentation has also been added for addDependentFunction and addDependentDirectory in the user guide. - - - - - 00478944 by Simon Peyton Jones at 2025-08-27T16:48:30+01:00 Comments only - - - - - a7884589 by Simon Peyton Jones at 2025-08-28T11:08:23+01:00 Type-family occurs check in unification The occurs check in `GHC.Core.Unify.uVarOrFam` was inadequate in dealing with type families. Better now. See Note [The occurs check in the Core unifier]. As I did this I realised that the whole apartness thing is trickier than I thought: see the new Note [Shortcomings of the apartness test] - - - - - 8adfc222 by sheaf at 2025-08-28T19:47:17-04:00 Fix orientation in HsWrapper composition (<.>) This commit fixes the order in which WpCast HsWrappers are composed, fixing a bug introduced in commit 56b32c5a2d5d7cad89a12f4d74dc940e086069d1. Fixes #26350 - - - - - eb2ab1e2 by Oleg Grenrus at 2025-08-29T11:00:53-04:00 Generalise thNameToGhcName by adding HasHscEnv There were multiple single monad-specific `getHscEnv` across codebase. HasHscEnv is modelled on HasDynFlags. My first idea was to simply add thNameToGhcNameHsc and thNameToGhcNameTc, but those would been exactly the same as thNameToGhcName already. Also add an usage example to thNameToGhcName and mention that it's recommended way of looking up names in GHC plugins - - - - - 2d575a7f by fendor at 2025-08-29T11:01:36-04:00 configure: Bump minimal bootstrap GHC version to 9.10 - - - - - 716274a5 by Simon Peyton Jones at 2025-08-29T17:27:12-04:00 Fix deep subsumption again This commit fixed #26255: commit 56b32c5a2d5d7cad89a12f4d74dc940e086069d1 Author: sheaf Date: Mon Aug 11 15:50:47 2025 +0200 Improve deep subsumption This commit improves the DeepSubsumption sub-typing implementation in GHC.Tc.Utils.Unify.tc_sub_type_deep by being less eager to fall back to unification. But alas it still wasn't quite right for view patterns: #26331 This MR does a generalisation to fix it. A bit of a sledgehammer to crack a nut, but nice. * Add a field `ir_inst :: InferInstFlag` to `InferResult`, where ``` data InferInstFlag = IIF_Sigma | IIF_ShallowRho | IIF_DeepRho ``` * The flag says exactly how much `fillInferResult` should instantiate before filling the hole. * We can also use this to replace the previous very ad-hoc `tcInferSigma` that was used to implement GHCi's `:type` command. - - - - - 27206c5e by sheaf at 2025-08-29T17:28:14-04:00 Back-compat for TH SpecialiseP data-con of Pragma This commit improves the backwards-compatibility story for the SpecialiseP constructor of the Template Haskell 'Pragma' datatype. Instead of keeping the constructor but deprecating it, this commit makes it into a bundled pattern synonym of the Pragma datatype. We no longer deprecate it; it's useful for handling old-form specialise pragmas. - - - - - 26dbcf61 by fendor at 2025-08-30T05:10:08-04:00 Move stack decoding logic from ghc-heap to ghc-internal The stack decoding logic in `ghc-heap` is more sophisticated than the one currently employed in `CloneStack`. We want to use the stack decoding implementation from `ghc-heap` in `base`. We cannot simply depend on `ghc-heap` in `base` due do bootstrapping issues. Thus, we move the code that is necessary to implement stack decoding to `ghc-internal`. This is the right location, as we don't want to add a new API to `base`. Moving the stack decoding logic and re-exposing it in ghc-heap is insufficient, though, as we have a dependency cycle between. * ghc-heap depends on stage1:ghc-internal * stage0:ghc depends on stage0:ghc-heap To fix this, we remove ghc-heap from the set of `stage0` dependencies. This is not entirely straight-forward, as a couple of boot dependencies, such as `ghci` depend on `ghc-heap`. Luckily, the boot compiler of GHC is now >=9.10, so we can migrate `ghci` to use `ghc-internal` instead of `ghc-heap`, which already exports the relevant modules. However, we cannot 100% remove ghc's dependency on `ghc-heap`, since when we compile `stage0:ghc`, `stage1:ghc-internal` is not yet available. Thus, when we compile with the boot-compiler, we still depend on an older version of `ghc-heap`, and only use the modules from `ghc-internal`, if the `ghc-internal` version is recent enough. ------------------------- Metric Increase: T24602_perf_size T25046_perf_size_gzip T25046_perf_size_unicode T25046_perf_size_unicode_gzip size_hello_artifact size_hello_artifact_gzip size_hello_unicode size_hello_unicode_gzip ------------------------- These metric increases are unfortunate, they are most likely caused by the larger (literally in terms of lines of code) stack decoder implementation that are now linked into hello-word binaries. On linux, it is almost a 10% increase, which is considerable. - - - - - bd80bb70 by fendor at 2025-08-30T05:10:08-04:00 Implement `decode` in terms of `decodeStackWithIpe` Uses the more efficient stack decoder implementation. - - - - - 24441165 by fendor at 2025-08-30T05:10:08-04:00 Remove stg_decodeStackzh - - - - - fb9cc882 by Simon Peyton Jones at 2025-08-30T05:10:51-04:00 Fix a long standing bug in the coercion optimiser We were mis-optimising ForAllCo, leading to #26345 Part of the poblem was the tricky tower of abstractions leading to the dreadful GHC.Core.TyCo.Subst.substForAllCoTyVarBndrUsing This function was serving two masters: regular substitution, but also coercion optimsation. So tricky was it that it did so wrong. In this MR I locate all the fancy footwork for coercion optimisation in GHC.Core.Coercion.Opt, where it belongs. That leaves substitution free to be much simpler. - - - - - 88997f1b by Simon Peyton Jones at 2025-09-01T10:48:03+01:00 Refactor to solve forall-constraints via an implication again WIP to fix #26315 - - - - - 3ca95c3f by Simon Peyton Jones at 2025-09-01T10:48:03+01:00 wibble - - - - - 72d975c5 by Simon Peyton Jones at 2025-09-01T17:46:19+01:00 Improvements ..needs documentation - - - - - 282 changed files: - .gitlab-ci.yml - .gitlab/ci.sh - .gitlab/generate-ci/gen_ci.hs - .gitlab/jobs.yaml - .mailmap - compiler/GHC/Builtin/primops.txt.pp - compiler/GHC/ByteCode/Asm.hs - compiler/GHC/ByteCode/Types.hs - compiler/GHC/Cmm/Dataflow/Label.hs - compiler/GHC/CmmToAsm/CFG.hs - compiler/GHC/Core/Coercion.hs - compiler/GHC/Core/Coercion/Opt.hs - compiler/GHC/Core/Opt/Monad.hs - compiler/GHC/Core/TyCo/Compare.hs - compiler/GHC/Core/TyCo/Subst.hs - compiler/GHC/Core/Type.hs - compiler/GHC/Core/Unify.hs - compiler/GHC/Driver/Backpack.hs - compiler/GHC/Driver/Config/Finder.hs - compiler/GHC/Driver/DynFlags.hs - compiler/GHC/Driver/Env.hs - compiler/GHC/Driver/Env/Types.hs - compiler/GHC/Driver/Main.hs - compiler/GHC/Driver/Make.hs - compiler/GHC/Driver/Session.hs - compiler/GHC/Hs/ImpExp.hs - compiler/GHC/HsToCore/Binds.hs - compiler/GHC/HsToCore/Docs.hs - compiler/GHC/HsToCore/Usage.hs - compiler/GHC/Iface/Ext/Ast.hs - compiler/GHC/Iface/Ext/Binary.hs - compiler/GHC/Iface/Ext/Types.hs - compiler/GHC/Iface/Make.hs - compiler/GHC/Iface/Recomp.hs - compiler/GHC/Iface/Recomp/Types.hs - compiler/GHC/Iface/Tidy/StaticPtrTable.hs - compiler/GHC/Parser/Header.hs - compiler/GHC/Plugins.hs - compiler/GHC/Rename/HsType.hs - compiler/GHC/Rename/Names.hs - compiler/GHC/Runtime/Heap/Inspect.hs - compiler/GHC/StgToByteCode.hs - compiler/GHC/StgToCmm/Prim.hs - compiler/GHC/StgToJS/Prim.hs - compiler/GHC/StgToJS/StaticPtr.hs - compiler/GHC/Tc/Deriv/Utils.hs - compiler/GHC/Tc/Errors/Ppr.hs - compiler/GHC/Tc/Gen/App.hs - compiler/GHC/Tc/Gen/Bind.hs - compiler/GHC/Tc/Gen/Expr.hs - compiler/GHC/Tc/Gen/Expr.hs-boot - 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/Module.hs - compiler/GHC/Tc/Solver/Dict.hs - compiler/GHC/Tc/Solver/Equality.hs - compiler/GHC/Tc/Solver/InertSet.hs - compiler/GHC/Tc/Solver/Monad.hs - compiler/GHC/Tc/Solver/Solve.hs - compiler/GHC/Tc/TyCl/Instance.hs - compiler/GHC/Tc/Types.hs - compiler/GHC/Tc/Types/Evidence.hs - compiler/GHC/Tc/Types/Origin.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/Zonk/TcType.hs - compiler/GHC/Tc/Zonk/Type.hs - compiler/GHC/ThToHs.hs - compiler/GHC/Types/Name/Cache.hs - compiler/GHC/Types/Name/Reader.hs - compiler/GHC/Types/SptEntry.hs - compiler/GHC/Unit/Finder.hs - compiler/GHC/Unit/Finder/Types.hs - compiler/GHC/Unit/Module/Deps.hs - compiler/ghc.cabal.in - configure.ac - docs/users_guide/9.16.1-notes.rst - docs/users_guide/separate_compilation.rst - ghc/GHCi/UI.hs - hadrian/bootstrap/generate_bootstrap_plans - hadrian/bootstrap/hadrian-bootstrap-gen.cabal - hadrian/bootstrap/plan-9_10_1.json - hadrian/bootstrap/plan-9_6_5.json → hadrian/bootstrap/plan-9_10_2.json - hadrian/bootstrap/plan-9_6_6.json → hadrian/bootstrap/plan-9_12_1.json - hadrian/bootstrap/plan-9_6_4.json → hadrian/bootstrap/plan-9_12_2.json - − hadrian/bootstrap/plan-9_6_1.json - − hadrian/bootstrap/plan-9_6_2.json - − hadrian/bootstrap/plan-9_6_3.json - − hadrian/bootstrap/plan-9_8_1.json - − hadrian/bootstrap/plan-9_8_2.json - hadrian/bootstrap/plan-bootstrap-9_10_1.json - hadrian/bootstrap/plan-bootstrap-9_6_5.json → hadrian/bootstrap/plan-bootstrap-9_10_2.json - hadrian/bootstrap/plan-bootstrap-9_6_6.json → hadrian/bootstrap/plan-bootstrap-9_12_1.json - hadrian/bootstrap/plan-bootstrap-9_8_1.json → hadrian/bootstrap/plan-bootstrap-9_12_2.json - − hadrian/bootstrap/plan-bootstrap-9_6_1.json - − hadrian/bootstrap/plan-bootstrap-9_6_2.json - − hadrian/bootstrap/plan-bootstrap-9_6_3.json - − hadrian/bootstrap/plan-bootstrap-9_6_4.json - − hadrian/bootstrap/plan-bootstrap-9_8_2.json - hadrian/bootstrap/src/Main.hs - hadrian/hadrian.cabal - hadrian/src/Rules/ToolArgs.hs - hadrian/src/Settings/Default.hs - libraries/base/changelog.md - libraries/base/src/GHC/Exts.hs - libraries/base/src/GHC/Stack/CloneStack.hs - libraries/ghc-boot-th/GHC/Boot/TH/Ppr.hs - libraries/ghc-experimental/ghc-experimental.cabal.in - + libraries/ghc-experimental/src/GHC/Stack/Annotation/Experimental.hs - libraries/ghc-heap/GHC/Exts/Heap/ClosureTypes.hs - libraries/ghc-heap/GHC/Exts/Heap/Closures.hs - + libraries/ghc-heap/GHC/Exts/Heap/Constants.hs - + libraries/ghc-heap/GHC/Exts/Heap/InfoTable.hs - + libraries/ghc-heap/GHC/Exts/Heap/InfoTable/Types.hs - + libraries/ghc-heap/GHC/Exts/Heap/InfoTableProf.hs - libraries/ghc-heap/GHC/Exts/Heap/ProfInfo/Types.hs - libraries/ghc-heap/GHC/Exts/Stack.hs - + libraries/ghc-heap/GHC/Exts/Stack/Constants.hs - libraries/ghc-heap/GHC/Exts/Stack/Decode.hs - libraries/ghc-heap/ghc-heap.cabal.in - libraries/ghc-heap/cbits/HeapPrim.cmm → libraries/ghc-internal/cbits/HeapPrim.cmm - libraries/ghc-heap/cbits/Stack.cmm → libraries/ghc-internal/cbits/Stack.cmm - libraries/ghc-internal/cbits/StackCloningDecoding.cmm - libraries/ghc-heap/cbits/Stack_c.c → libraries/ghc-internal/cbits/Stack_c.c - libraries/ghc-internal/ghc-internal.cabal.in - libraries/ghc-internal/jsbits/base.js - libraries/ghc-internal/src/GHC/Internal/ClosureTypes.hs - libraries/ghc-internal/src/GHC/Internal/Exception/Backtrace.hs - + libraries/ghc-internal/src/GHC/Internal/Heap/Closures.hs - libraries/ghc-heap/GHC/Exts/Heap/Constants.hsc → libraries/ghc-internal/src/GHC/Internal/Heap/Constants.hsc - libraries/ghc-heap/GHC/Exts/Heap/InfoTable.hsc → libraries/ghc-internal/src/GHC/Internal/Heap/InfoTable.hsc - libraries/ghc-heap/GHC/Exts/Heap/InfoTable/Types.hsc → libraries/ghc-internal/src/GHC/Internal/Heap/InfoTable/Types.hsc - libraries/ghc-heap/GHC/Exts/Heap/InfoTableProf.hsc → libraries/ghc-internal/src/GHC/Internal/Heap/InfoTableProf.hsc - 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