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[Git][ghc/ghc][wip/torsten.schmits/mwb/mp-backports] Bunch of backports
by Torsten Schmits (＠torsten.schmits) 16 Jan '26

16 Jan '26

Torsten Schmits pushed to branch wip/torsten.schmits/mwb/mp-backports at Glasgow Haskell Compiler / GHC Commits: b118f201 by Fendor at 2026-01-16T14:55:01+01:00 Bunch of backports - - - - - 97 changed files: - compiler/GHC.hs - compiler/GHC/ByteCode/Asm.hs - compiler/GHC/ByteCode/Linker.hs - compiler/GHC/ByteCode/Types.hs - compiler/GHC/Core/Map/Expr.hs - compiler/GHC/Core/Opt/Pipeline.hs - compiler/GHC/Core/TyCo/Rep.hs - compiler/GHC/CoreToIface.hs - compiler/GHC/Data/FastString.hs - + compiler/GHC/Data/FlatBag.hs - compiler/GHC/Data/IOEnv.hs - compiler/GHC/Data/OsPath.hs - compiler/GHC/Data/SmallArray.hs - compiler/GHC/Data/Strict.hs - compiler/GHC/Data/TrieMap.hs - compiler/GHC/Driver/Backpack.hs - compiler/GHC/Driver/CodeOutput.hs - compiler/GHC/Driver/Config/Finder.hs - compiler/GHC/Driver/DynFlags.hs - compiler/GHC/Driver/Env.hs - compiler/GHC/Driver/Hooks.hs - compiler/GHC/Driver/Main.hs - compiler/GHC/Driver/Make.hs - compiler/GHC/Driver/MakeFile.hs - compiler/GHC/Driver/MakeFile/JSON.hs - compiler/GHC/Driver/Pipeline.hs - compiler/GHC/Driver/Pipeline/Execute.hs - compiler/GHC/Driver/Session.hs - compiler/GHC/HsToCore/Monad.hs - compiler/GHC/HsToCore/Usage.hs - compiler/GHC/Iface/Binary.hs - compiler/GHC/Iface/Decl.hs - compiler/GHC/Iface/Env.hs - compiler/GHC/Iface/Errors.hs - compiler/GHC/Iface/Ext/Binary.hs - compiler/GHC/Iface/Ext/Fields.hs - compiler/GHC/Iface/Ext/Utils.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/Rename.hs - compiler/GHC/Iface/Syntax.hs - compiler/GHC/Iface/Type.hs - compiler/GHC/IfaceToCore.hs - compiler/GHC/IfaceToCore.hs-boot - compiler/GHC/Linker/Deps.hs - compiler/GHC/Linker/ExtraObj.hs - compiler/GHC/Linker/Loader.hs - compiler/GHC/Linker/Static.hs - compiler/GHC/Rename/Names.hs - compiler/GHC/Rename/Unbound.hs - compiler/GHC/Runtime/Eval.hs - compiler/GHC/Runtime/Interpreter.hs - compiler/GHC/Runtime/Interpreter/JS.hs - compiler/GHC/Runtime/Loader.hs - compiler/GHC/Stg/CSE.hs - compiler/GHC/StgToByteCode.hs - compiler/GHC/StgToJS/Linker/Linker.hs - compiler/GHC/StgToJS/Object.hs - compiler/GHC/SysTools/Cpp.hs - compiler/GHC/Tc/Errors/Hole.hs - compiler/GHC/Tc/Gen/Splice.hs - compiler/GHC/Tc/Instance/Family.hs - compiler/GHC/Tc/Module.hs - compiler/GHC/Tc/Utils/Backpack.hs - compiler/GHC/Tc/Utils/Monad.hs - compiler/GHC/Types/Basic.hs - compiler/GHC/Types/FieldLabel.hs - compiler/GHC/Types/Name.hs - compiler/GHC/Types/Name/Ppr.hs - compiler/GHC/Types/Var.hs - compiler/GHC/Unit/Env.hs - compiler/GHC/Unit/Finder.hs - compiler/GHC/Unit/Finder/Types.hs - + compiler/GHC/Unit/Home/Graph.hs - compiler/GHC/Unit/Home/ModInfo.hs - + compiler/GHC/Unit/Home/PackageTable.hs - compiler/GHC/Unit/Module/Graph.hs - compiler/GHC/Unit/Module/Location.hs - compiler/GHC/Unit/Module/ModIface.hs - compiler/GHC/Unit/Module/ModSummary.hs - compiler/GHC/Unit/Module/Status.hs - compiler/GHC/Utils/Binary.hs - compiler/GHC/Utils/Binary/Typeable.hs - compiler/Language/Haskell/Syntax/Type.hs - compiler/Language/Haskell/Syntax/Type.hs-boot - compiler/ghc.cabal.in - docs/users_guide/using-optimisation.rst - ghc/GHCi/Leak.hs - ghc/GHCi/UI.hs - ghc/Main.hs - ghc/ghc-bin.cabal.in - libraries/ghci/GHCi/CreateBCO.hs - libraries/ghci/GHCi/ResolvedBCO.hs - utils/haddock The diff was not included because it is too large. View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/b118f2016ab0f5bc8f35518dc79fcc3… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/b118f2016ab0f5bc8f35518dc79fcc3… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc] Pushed new branch wip/andreask/experimental_changelog
by Andreas Klebinger (＠AndreasK) 16 Jan '26

16 Jan '26

Andreas Klebinger pushed new branch wip/andreask/experimental_changelog at Glasgow Haskell Compiler / GHC -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/tree/wip/andreask/experimental_changel… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][wip/26737] 5 commits: Add evals for strict data-con args in worker-functions
by Simon Peyton Jones (＠simonpj) 16 Jan '26

16 Jan '26

Simon Peyton Jones pushed to branch wip/26737 at Glasgow Haskell Compiler / GHC Commits: c56567ec by Simon Peyton Jones at 2026-01-15T23:19:04+00:00 Add evals for strict data-con args in worker-functions This fixes #26722, by adding an eval in a worker for arguments of strict data constructors, even if the function body uses them strictly. See (WIS1) in Note [Which Ids should be strictified] I took the opportunity to make substantial improvements in the documentation for call-by-value functions. See especially Note [CBV Function Ids: overview] in GHC.Types.Id.Info Note [Which Ids should be CBV candidates?] ditto Note [EPT enforcement] in GHC.Stg.EnforceEpt among others. - - - - - 9719ce5d by Simon Peyton Jones at 2026-01-15T23:19:04+00:00 Improve `interestingArg` This function analyses a function's argument to see if it is interesting enough to deserve an inlining discount. Improvements for * LitRubbish arguments * exprIsExpandable arguments See Note [Interesting arguments] which is substantially rewritten. - - - - - 7b616b9f by Cheng Shao at 2026-01-16T06:45:00-05:00 compiler: fix regression when compiling foreign stubs in the rts unit This patch fixes a regression when compiling foreign stubs in the rts unit introduced in 05e25647f72bc102061af3f20478aa72bff6ff6e. A simple revert would fix it, but it's better to implement a proper fix with comment for better understanding of the underlying problem, see the added comment for explanation. Co-authored-by: Codex <codex(a)openai.com> - - - - - c343ef64 by Sylvain Henry at 2026-01-16T06:45:51-05:00 base: remove GHC.JS.Prim.Internal.Build (#23432) See accepted CLC proposal https://github.com/haskell/core-libraries-committee/issues/329 - - - - - 7e15862f by Simon Peyton Jones at 2026-01-16T13:32:37+00:00 Make the implicit-parameter class have representational role This MR addresses #26737, by making the built-in class IP have a representational role for its second parameter. See Note [IP: implicit parameter class] in ghc-internal:GHC.Internal.Classes.IP In fact, IP is (unfortunately, currently) exposed by base:GHC.Base, so we ran a quick CLC proposal to agree the change: https://github.com/haskell/core-libraries-committee/issues/385 Some (small) compilations get faster because they only need to load (small) interface file GHC.Internal.Classes.IP.hi, rather than (large) GHC.Internal.Classes.hi. Plus a Windows only reduction on T5205 (a known trouble maker see #26782 Metric Decrease: T10421 T12150 T12425 T24582 T5205 T5837 - - - - - 38 changed files: - compiler/GHC/Builtin/Names.hs - compiler/GHC/Core/Opt/Arity.hs - compiler/GHC/Core/Opt/Simplify/Utils.hs - compiler/GHC/Core/Opt/SpecConstr.hs - compiler/GHC/Core/Opt/WorkWrap.hs - compiler/GHC/Core/Opt/WorkWrap/Utils.hs - compiler/GHC/Core/Tidy.hs - compiler/GHC/Core/Unfold.hs - compiler/GHC/Core/Utils.hs - compiler/GHC/CoreToStg/Prep.hs - compiler/GHC/Driver/CodeOutput.hs - compiler/GHC/Stg/EnforceEpt.hs - compiler/GHC/Stg/Lint.hs - compiler/GHC/StgToCmm/Closure.hs - compiler/GHC/StgToCmm/Expr.hs - compiler/GHC/Types/Id.hs - compiler/GHC/Types/Id/Info.hs - compiler/GHC/Types/Id/Make.hs - docs/users_guide/9.16.1-notes.rst - libraries/base/base.cabal.in - libraries/base/changelog.md - − libraries/base/src/GHC/JS/Prim/Internal/Build.hs - libraries/ghc-internal/ghc-internal.cabal.in - libraries/ghc-internal/src/GHC/Internal/Classes.hs - + libraries/ghc-internal/src/GHC/Internal/Classes/IP.hs - testsuite/tests/interface-stability/base-exports.stdout - testsuite/tests/interface-stability/base-exports.stdout-javascript-unknown-ghcjs - testsuite/tests/interface-stability/base-exports.stdout-mingw32 - testsuite/tests/interface-stability/base-exports.stdout-ws-32 - testsuite/tests/interface-stability/ghc-prim-exports.stdout - testsuite/tests/interface-stability/ghc-prim-exports.stdout-mingw32 - testsuite/tests/simplCore/should_compile/T18013.stderr - + testsuite/tests/simplCore/should_compile/T26722.hs - + testsuite/tests/simplCore/should_compile/T26722.stderr - testsuite/tests/simplCore/should_compile/all.T - testsuite/tests/th/TH_implicitParams.stdout - + testsuite/tests/typecheck/should_compile/T26737.hs - testsuite/tests/typecheck/should_compile/all.T The diff was not included because it is too large. View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/8ee3246a227b22459e85c845d38250… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/8ee3246a227b22459e85c845d38250… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc] Pushed new branch wip/torsten.schmits/mwb/mp-backports
by Torsten Schmits (＠torsten.schmits) 16 Jan '26

16 Jan '26

Torsten Schmits pushed new branch wip/torsten.schmits/mwb/mp-backports at Glasgow Haskell Compiler / GHC -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/tree/wip/torsten.schmits/mwb/mp-backpo… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][wip/spj-unf-size] 14 commits: Add evals for strict data-con args in worker-functions
by Simon Peyton Jones (＠simonpj) 16 Jan '26

16 Jan '26

Simon Peyton Jones pushed to branch wip/spj-unf-size at Glasgow Haskell Compiler / GHC Commits: c56567ec by Simon Peyton Jones at 2026-01-15T23:19:04+00:00 Add evals for strict data-con args in worker-functions This fixes #26722, by adding an eval in a worker for arguments of strict data constructors, even if the function body uses them strictly. See (WIS1) in Note [Which Ids should be strictified] I took the opportunity to make substantial improvements in the documentation for call-by-value functions. See especially Note [CBV Function Ids: overview] in GHC.Types.Id.Info Note [Which Ids should be CBV candidates?] ditto Note [EPT enforcement] in GHC.Stg.EnforceEpt among others. - - - - - 9719ce5d by Simon Peyton Jones at 2026-01-15T23:19:04+00:00 Improve `interestingArg` This function analyses a function's argument to see if it is interesting enough to deserve an inlining discount. Improvements for * LitRubbish arguments * exprIsExpandable arguments See Note [Interesting arguments] which is substantially rewritten. - - - - - 7b616b9f by Cheng Shao at 2026-01-16T06:45:00-05:00 compiler: fix regression when compiling foreign stubs in the rts unit This patch fixes a regression when compiling foreign stubs in the rts unit introduced in 05e25647f72bc102061af3f20478aa72bff6ff6e. A simple revert would fix it, but it's better to implement a proper fix with comment for better understanding of the underlying problem, see the added comment for explanation. Co-authored-by: Codex <codex(a)openai.com> - - - - - c343ef64 by Sylvain Henry at 2026-01-16T06:45:51-05:00 base: remove GHC.JS.Prim.Internal.Build (#23432) See accepted CLC proposal https://github.com/haskell/core-libraries-committee/issues/329 - - - - - 643cc5e9 by Simon Peyton Jones at 2026-01-16T12:23:48+00:00 Work in progress on unfoldings re-engineering - - - - - 6dd9a7f2 by Simon Peyton Jones at 2026-01-16T12:23:48+00:00 Fix a bad, subtle bug in exprIsConApp_maybe In extend_in_scope We were simply overwriting useful bindings in the in-scope set, notably ones that had unfoldings. That could lead to repeated simplifier iterations. - - - - - 9d3512a6 by Simon Peyton Jones at 2026-01-16T12:24:32+00:00 Minor refactoring... Plus: don't be so eager to inline when argument is a non-value, but has some struture. We want *some* incentive though. - - - - - 957256d3 by Simon Peyton Jones at 2026-01-16T12:26:15+00:00 Adjust * Reduce caseElimDiscount to 10 Example: f_nand in spectral/hartel/event is quite big but was still getting inlined; that make f_simulate too big for SpecConstr * Increase jumpSize. Not so much cheaper than tail calls. I'm trying making them the same size. - - - - - d4a49670 by Simon Peyton Jones at 2026-01-16T12:26:15+00:00 Typo - - - - - 1c711a53 by Simon Peyton Jones at 2026-01-16T12:26:16+00:00 Wibbles - - - - - e388a025 by Simon Peyton Jones at 2026-01-16T12:26:16+00:00 Wibble unused variables - - - - - e497bf91 by Simon Peyton Jones at 2026-01-16T12:26:16+00:00 Make case expressions and applications a bit bigger - - - - - 593743bb by Simon Peyton Jones at 2026-01-16T12:26:16+00:00 Wibbles - - - - - b335d5d7 by Simon Peyton Jones at 2026-01-16T12:40:20+00:00 Wibble - - - - - 41 changed files: - compiler/GHC/Builtin/PrimOps.hs - compiler/GHC/Core.hs - compiler/GHC/Core/Lint.hs - compiler/GHC/Core/Opt/Arity.hs - compiler/GHC/Core/Opt/LiberateCase.hs - compiler/GHC/Core/Opt/OccurAnal.hs - compiler/GHC/Core/Opt/Pipeline.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/Utils.hs - compiler/GHC/Core/Opt/SpecConstr.hs - compiler/GHC/Core/Opt/WorkWrap.hs - compiler/GHC/Core/Opt/WorkWrap/Utils.hs - compiler/GHC/Core/Ppr.hs - compiler/GHC/Core/Seq.hs - compiler/GHC/Core/SimpleOpt.hs - compiler/GHC/Core/Subst.hs - compiler/GHC/Core/Tidy.hs - compiler/GHC/Core/TyCo/Subst.hs - compiler/GHC/Core/Unfold.hs - compiler/GHC/Core/Unfold/Make.hs - compiler/GHC/Core/Utils.hs - compiler/GHC/CoreToStg/Prep.hs - compiler/GHC/Driver/CodeOutput.hs - compiler/GHC/Driver/Config/Core/Opt/Simplify.hs - compiler/GHC/Stg/EnforceEpt.hs - compiler/GHC/Stg/Lint.hs - compiler/GHC/StgToCmm/Closure.hs - compiler/GHC/StgToCmm/Expr.hs - compiler/GHC/Types/Id.hs - compiler/GHC/Types/Id/Info.hs - compiler/GHC/Types/Id/Make.hs - libraries/base/base.cabal.in - libraries/base/changelog.md - − libraries/base/src/GHC/JS/Prim/Internal/Build.hs - testsuite/tests/interface-stability/base-exports.stdout-javascript-unknown-ghcjs - testsuite/tests/simplCore/should_compile/T18013.stderr - + testsuite/tests/simplCore/should_compile/T26722.hs - + testsuite/tests/simplCore/should_compile/T26722.stderr - testsuite/tests/simplCore/should_compile/all.T The diff was not included because it is too large. View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/440f2511a4b9c4f82d59ab282b298d… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/440f2511a4b9c4f82d59ab282b298d… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][wip/marge_bot_batch_merge_job] 4 commits: compiler: fix regression when compiling foreign stubs in the rts unit
by Marge Bot (＠marge-bot) 16 Jan '26

16 Jan '26

Marge Bot pushed to branch wip/marge_bot_batch_merge_job at Glasgow Haskell Compiler / GHC Commits: 7b616b9f by Cheng Shao at 2026-01-16T06:45:00-05:00 compiler: fix regression when compiling foreign stubs in the rts unit This patch fixes a regression when compiling foreign stubs in the rts unit introduced in 05e25647f72bc102061af3f20478aa72bff6ff6e. A simple revert would fix it, but it's better to implement a proper fix with comment for better understanding of the underlying problem, see the added comment for explanation. Co-authored-by: Codex <codex(a)openai.com> - - - - - c343ef64 by Sylvain Henry at 2026-01-16T06:45:51-05:00 base: remove GHC.JS.Prim.Internal.Build (#23432) See accepted CLC proposal https://github.com/haskell/core-libraries-committee/issues/329 - - - - - e114327a by Simon Peyton Jones at 2026-01-16T07:17:40-05:00 Improve newtype unwrapping Ticket #26746 describes several relatively-minor shortcomings of newtype unwrapping. This MR addresses them, while also (arguably) simplifying the code a bit. See new Note [Solving newtype equalities: overview] and Note [Decomposing newtype equalities] and Note [Eager newtype decomposition] and Note [Even more eager newtype decomposition] For some reason, on Windows only, runtime allocations decrease for test T5205 (from 52k to 48k). I have not idea why. No change at all on Linux. I'm just going to accept the change. (I saw this same effect in another MR so I think it's a fault in the baseline.) Metric Decrease: T5205 - - - - - 1c92069b by Andreas Klebinger at 2026-01-16T07:17:41-05:00 testsuite: Widen acceptance window for T5205. Fixes #26782 - - - - - 21 changed files: - compiler/GHC/Core/FamInstEnv.hs - compiler/GHC/Driver/CodeOutput.hs - compiler/GHC/Tc/Instance/Family.hs - compiler/GHC/Tc/Solver/Equality.hs - compiler/GHC/Tc/Solver/Monad.hs - libraries/base/base.cabal.in - libraries/base/changelog.md - − libraries/base/src/GHC/JS/Prim/Internal/Build.hs - testsuite/tests/deriving/should_fail/T8984.stderr - testsuite/tests/deriving/should_fail/deriving-via-fail.stderr - testsuite/tests/deriving/should_fail/deriving-via-fail4.stderr - testsuite/tests/deriving/should_fail/deriving-via-fail5.stderr - testsuite/tests/interface-stability/base-exports.stdout-javascript-unknown-ghcjs - testsuite/tests/perf/should_run/all.T - + testsuite/tests/typecheck/should_compile/T26746.hs - testsuite/tests/typecheck/should_compile/all.T - testsuite/tests/typecheck/should_fail/T15801.stderr - testsuite/tests/typecheck/should_fail/T22924b.stderr - testsuite/tests/typecheck/should_fail/TcCoercibleFail.hs - testsuite/tests/typecheck/should_fail/TcCoercibleFail.stderr - testsuite/tests/typecheck/should_fail/all.T The diff was not included because it is too large. View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/f337d38e0a1f93dabd815522221dbc… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/f337d38e0a1f93dabd815522221dbc… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc] Pushed new branch wip/perf-notes-less-pushes
by Cheng Shao (＠TerrorJack) 16 Jan '26

16 Jan '26

Cheng Shao pushed new branch wip/perf-notes-less-pushes at Glasgow Haskell Compiler / GHC -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/tree/wip/perf-notes-less-pushes You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc] Pushed new branch wip/libffi-clib-use-mirror
by Cheng Shao (＠TerrorJack) 16 Jan '26

16 Jan '26

Cheng Shao pushed new branch wip/libffi-clib-use-mirror at Glasgow Haskell Compiler / GHC -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/tree/wip/libffi-clib-use-mirror You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][master] base: remove GHC.JS.Prim.Internal.Build (#23432)
by Marge Bot (＠marge-bot) 16 Jan '26

16 Jan '26

Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC Commits: c343ef64 by Sylvain Henry at 2026-01-16T06:45:51-05:00 base: remove GHC.JS.Prim.Internal.Build (#23432) See accepted CLC proposal https://github.com/haskell/core-libraries-committee/issues/329 - - - - - 4 changed files: - libraries/base/base.cabal.in - libraries/base/changelog.md - − libraries/base/src/GHC/JS/Prim/Internal/Build.hs - testsuite/tests/interface-stability/base-exports.stdout-javascript-unknown-ghcjs The diff was not included because it is too large. View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/c343ef64ceb67d77619547b2e77cc8c… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/c343ef64ceb67d77619547b2e77cc8c… You're receiving this email because of your account on gitlab.haskell.org.

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[Git][ghc/ghc][master] compiler: fix regression when compiling foreign stubs in the rts unit
by Marge Bot (＠marge-bot) 16 Jan '26

16 Jan '26

Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC Commits: 7b616b9f by Cheng Shao at 2026-01-16T06:45:00-05:00 compiler: fix regression when compiling foreign stubs in the rts unit This patch fixes a regression when compiling foreign stubs in the rts unit introduced in 05e25647f72bc102061af3f20478aa72bff6ff6e. A simple revert would fix it, but it's better to implement a proper fix with comment for better understanding of the underlying problem, see the added comment for explanation. Co-authored-by: Codex <codex(a)openai.com> - - - - - 1 changed file: - compiler/GHC/Driver/CodeOutput.hs Changes: ===================================== compiler/GHC/Driver/CodeOutput.hs ===================================== @@ -296,10 +296,15 @@ outputForeignStubs logger tmpfs dflags unit_state mod location stubs mk_include i = "#include \"" ++ ST.unpack i ++ "\"\n" in case mrts_pkg of Just rts_pkg -> concatMap mk_include (unitIncludes rts_pkg) - -- This case only happens when compiling foreign stub for the rts - -- library itself. The only time we do this at the moment is for - -- IPE information for the RTS info tables - Nothing -> "" + -- The Nothing case only happens when compiling + -- foreign stubs for the rts library itself (e.g. + -- building with +ipe), and the rts unit is not + -- registered yet. + -- + -- The generated stubs may still use RTS API, so + -- we must ensure that Rts.h is included, + -- otherwise we may run into regressions (#26779). + Nothing -> "#include \"Rts.h\"\n" -- wrapper code mentions the ffi_arg type, which comes from ffi.h ffi_includes View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/7b616b9f0236f4160f28923784b448f… -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/7b616b9f0236f4160f28923784b448f… You're receiving this email because of your account on gitlab.haskell.org.

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