Marge Bot pushed to branch wip/marge_bot_batch_merge_job at Glasgow Haskell Compiler / GHC
Commits:
a5d6ef4a by Wolfgang Jeltsch at 2026-03-05T11:13:13-05:00
Correct `hIsReadable` and `hIsWritable` for duplex handles
This contribution implements CLC proposal #371. It changes `hIsReadable`
and `hIsWritable` such that they always throw a respective exception
when encountering a closed or semi-closed handle, not just in the case
of a file handle.
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185a153f by Wolfgang Jeltsch at 2026-03-05T11:13:13-05:00
Document `SemiClosedHandle`
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3c54a97d by Wolfgang Jeltsch at 2026-03-05T11:13:13-05:00
Tell users what “semi-closed” means for duplex handles
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5596c215 by Ilias Tsitsimpis at 2026-03-05T11:13:19-05:00
Fix determinism of linker arguments
The switch from Data.Map to UniqMap in 3b5be05ac29 introduced
non-determinism in the order of packages passed to the linker.
This resulted in non-reproducible builds where the DT_NEEDED entries in
dynamic libraries were ordered differently across builds.
Fix the regression by explicitly sorting the package list derived from
UniqMap.
Fixes #26838
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08f1e65f by Matthew Pickering at 2026-03-05T11:13:20-05:00
determinism: Use a deterministic renaming when writing bytecode files
Now when writing the bytecode file, a counter and substitution are used
to provide deterministic keys to local variables (rather than relying on
uniques). This change ensures that `.gbc` are produced
deterministically.
Fixes #26499
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de3ca0b3 by Teo Camarasu at 2026-03-05T11:13:22-05:00
ghc-internal: delete Version hs-boot loop
Version has a Read instance which needs Unicode but part of the Unicode interface is the unicode version. This is easy to resolve. We simply don't re-export the version from the Unicode module.
Resolves #26940
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15645271 by Sylvain Henry at 2026-03-05T11:13:53-05:00
Linker: implement support for COMMON symbols (#6107)
Add some support for COMMON symbols. We don't support common symbols
having different sizes where the larger one is allocated after the
smaller one. The linker will fail with an appropriate error message if
it happens.
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d3c199a8 by Cheng Shao at 2026-03-05T11:13:54-05:00
compiler: fix redundant import of GHC.Hs.Lit
This patch removes a redundant import of `GHC.Hs.Lit` which causes a
ghc build failure with validate flavours when bootstrapping from 9.14.
Fixes #26972.
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5716bf15 by Cheng Shao at 2026-03-05T11:13:55-05:00
compiler: avoid unneeded traversals in GHC.Unit.State
Following !15591, this patch avoids unneeded traversals in
`reportCycles`/`reportUnusable` when log verbosity is below given
threshold. Also applies `logVerbAtLeast` when appropriate.
Co-authored-by: Codex
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b29d3057 by Cheng Shao at 2026-03-05T11:13:56-05:00
ghc-internal: fix redundant import in GHC.Internal.Event.Windows.ManagedThreadPool
This patch fixes redundant import in
`GHC.Internal.Event.Windows.ManagedThreadPool` that causes a
compilation error when building windows target with validate flavours
and bootstrapping from 9.14. Fixes #26976.
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6af24bee by sheaf at 2026-03-05T11:13:57-05:00
System.Info.fullCompilerVersion: add 'since' annot
Fixes #26973
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cab927f7 by Sylvain Henry at 2026-03-05T11:14:05-05:00
Hadrian: deprecate --bignum and automatically enable +native_bignum for JS
Deprecate --bignum=... to select the bignum backend. It's only used to
select the native backend, and this can be done with the +native_bignum
flavour transformer.
Additionally, we automatically enable +native_bignum for the JS target
because the GMP backend isn't supported.
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10554bf2 by Sylvain Henry at 2026-03-05T11:14:11-05:00
JS: fix putEnum/fromEnum (#24593)
Don't go through Word16 when serializing Enums.
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4281bc8b by Andreas Klebinger at 2026-03-05T11:14:12-05:00
Docs: Document -fworker-wrapper-cbv default setting.
Fixes #26841
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33 changed files:
- compiler/GHC/ByteCode/Serialize.hs
- compiler/GHC/Hs/Type.hs
- compiler/GHC/StgToJS/Object.hs
- compiler/GHC/Unit/State.hs
- compiler/GHC/Utils/Error.hs
- docs/users_guide/using-optimisation.rst
- hadrian/README.md
- hadrian/src/CommandLine.hs
- hadrian/src/Main.hs
- hadrian/src/Settings.hs
- libraries/base/changelog.md
- libraries/base/src/GHC/Unicode.hs
- libraries/base/src/System/Info.hs
- libraries/ghc-internal/ghc-internal.cabal.in
- − libraries/ghc-internal/src/GHC/Internal/Data/Version.hs-boot
- libraries/ghc-internal/src/GHC/Internal/Event/Windows/ManagedThreadPool.hs
- libraries/ghc-internal/src/GHC/Internal/IO/Handle.hs
- libraries/ghc-internal/src/GHC/Internal/IO/Handle/Text.hs
- libraries/ghc-internal/src/GHC/Internal/IO/Handle/Types.hs
- libraries/ghc-internal/src/GHC/Internal/Unicode.hs
- libraries/ghc-internal/src/GHC/Internal/Unicode/Version.hs
- libraries/ghc-internal/tools/ucd2haskell/exe/UCD2Haskell/ModuleGenerators.hs
- rts/Linker.c
- rts/LinkerInternals.h
- rts/linker/Elf.c
- rts/linker/MachO.c
- rts/linker/PEi386.c
- testsuite/tests/rts/linker/Makefile
- + testsuite/tests/rts/linker/T6107.hs
- + testsuite/tests/rts/linker/T6107.stdout
- + testsuite/tests/rts/linker/T6107_sym1.s
- + testsuite/tests/rts/linker/T6107_sym2.s
- testsuite/tests/rts/linker/all.T
The diff was not included because it is too large.
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/240cc9ab3403633590d7077a72369fb...
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View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/240cc9ab3403633590d7077a72369fb...
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