Zubin pushed to branch wip/9.10.3-backports at Glasgow Haskell Compiler / GHC Commits: 72e5c618 by Zubin Duggal at 2025-07-24T05:38:10+05:30 Prepare 9.10.3 prerelease - - - - - 2 changed files: - configure.ac - + docs/users_guide/9.10.3-notes.rst Changes: ===================================== configure.ac ===================================== @@ -22,7 +22,7 @@ AC_INIT([The Glorious Glasgow Haskell Compilation System], [9.10.2], [glasgow-ha AC_CONFIG_MACRO_DIRS([m4]) # Set this to YES for a released version, otherwise NO -: ${RELEASE=YES} +: ${RELEASE=NO} # The primary version (e.g. 7.5, 7.4.1) is set in the AC_INIT line # above. If this is not a released version, then we will append the ===================================== docs/users_guide/9.10.3-notes.rst ===================================== @@ -0,0 +1,165 @@ +.. _release-9-10-3: + +Version 9.10.3 +=============== +The significant changes to the various parts of the compiler are listed in the +following sections. See the `migration guide +https://gitlab.haskell.org/ghc/ghc/-/wikis/migration/9.10`_ on the GHC Wiki +for specific guidance on migrating programs to this release. + + +Compiler +~~~~~~~~ + +- Don't cache solved [W] HasCallStack constraints to avoid re-using old + call-stacks instead of constructing new ones. (:ghc-ticket:`25529`) + +- Fix EmptyCase panic in tcMatches when \case{} is checked against a function + type preceded by invisible forall. (:ghc-ticket:`25960`) + +- Fix panic triggered by combination of \case{} and forall t ->. (:ghc-ticket:`25004`) + +- Fix GHC.SysTools.Ar archive member size writing logic that was emitting wrong + archive member sizes in headers. (:ghc-ticket:`26120`, :ghc-ticket:`22586`) + +- Fix multiple bugs in name resolution of subordinate import lists related to + type namespace specifiers and hiding clauses. (:ghc-ticket:`22581`, :ghc-ticket:`25983`, :ghc-ticket:`25984`, :ghc-ticket:`25991`) + +- Use mkTrAppChecked in ds_ev_typeable to avoid false negatives for type + equality involving function types. (:ghc-ticket:`25998`) + +- Fix bytecode generation for ``tagToEnum# <LITERAL>``. (:ghc-ticket:`25975`) + +- Don't report used duplicate record fields as unused. (:ghc-ticket:`24035`) + +- Propagate long distance info to guarded let binds for better pattern-match + checking warnings. (:ghc-ticket:`25749`) + +- Prevent incorrect unpacking optimizations for GADTs with multiple constructors. (:ghc-ticket:`25672`) + +- Introduce a separate argument limit for forced specs via SPEC argument with + warning when limit is exceeded. (:ghc-ticket:`25197`) + +Build system and packaging +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +- 9.10 hadrian can build with Cabal-3.12.1. (:ghc-ticket:`25605`) + +- GHC settings: always unescape escaped spaces to fix handling of spaces in + executable paths. (:ghc-ticket:`25204`) + +Native code generator backend +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +- x86 NCG: Fix code generation of bswap64 on i386. (:ghc-ticket:`25601`) + +- AArch64 NCG: Fix sub-word arithmetic right shift by zero-extending sub-word + values. (:ghc-ticket:`26061`) + +- NCG: AArch64 - Add -finter-module-far-jumps flag for modules with far jumps + outside the current module. (:ghc-ticket:`24648`) + +LLVM backend +~~~~~~~~~~~~ + +- LLVM: fix typo in padLiveArgs that was incorrectly computing too many padding + registers causing segfaults. (:ghc-ticket:`25770`, :ghc-ticket:`25773`) + +- llvmGen: Fix linkage of built-in arrays to use Appending linkage instead of + Internal. (:ghc-ticket:`25769`) + +- llvmGen: Fix built-in variable predicate to check for `@llvm` rather than + `$llvm`. + +WebAssembly backend +~~~~~~~~~~~~~~~~~~~ + +- wasm: use primitive opcodes for fabs and sqrt operations. + +Runtime system +~~~~~~~~~~~~~~ + +- rts: Implement WEAK EXTERNAL undef redirection by target symbol name. + +- rts: Handle API set symbol versioning conflicts. + +- rts: fix rts_clearMemory logic when sanity checks are enabled. (:ghc-ticket:`26011`) + +- rts/linker: Improve efficiency of proddable blocks structure by using binary + search instead of linked lists for better performance with split sections. (:ghc-ticket:`26009`) + +- rts/linker/PEi386: Don't repeatedly load DLLs by maintaining a hash-set of + loaded DLL names. (:ghc-ticket:`26009`, :ghc-ticket:`26052`) + +- rts/linker: Don't fail due to RTLD_NOW by attempting eager binding first, + then reverting to lazy binding on failure. (:ghc-ticket:`25943`) + +``base`` library +~~~~~~~~~~~~~~~~ + +- base: Expose Backtraces constructor and fields. (:ghc-ticket:`26049`) + +- base: Note strictness changes made in 4.16.0.0. (:ghc-ticket:`25886`) + +- Fix bugs in ``integerRecipMod`` and ``integerPowMod`` return values. (:ghc-ticket:`26017`) + +``ghc`` library +~~~~~~~~~~~~~~~ + +- perf: Replace uses of genericLength with strictGenericLength to reduce time + spent in 'assembleBCOs' and allocations. (:ghc-ticket:`25706`) + +Build tools +~~~~~~~~~~~ + +- configure: Drop probing of ld.gold since `gold` has been dropped from + binutils-2.44. (:ghc-ticket:`25716`) + +- get-win32-tarballs.py: List tarball files to be downloaded if we cannot find + them. (:ghc-ticket:`25929`) + +- hp2ps Utilities.c: include stdlib.h instead of extern malloc and realloc. + +Included libraries +~~~~~~~~~~~~~~~~~~ + +The package database provided with this distribution also contains a number of +packages other than GHC itself. See the changelogs provided with these packages +for further change information. + +.. ghc-package-list:: + + libraries/array/array.cabal: Dependency of ``ghc`` library + libraries/base/base.cabal: Core library + libraries/binary/binary.cabal: Dependency of ``ghc`` library + libraries/bytestring/bytestring.cabal: Dependency of ``ghc`` library + libraries/Cabal/Cabal/Cabal.cabal: Dependency of ``ghc-pkg`` utility + libraries/Cabal/Cabal-syntax/Cabal-syntax.cabal: Dependency of ``ghc-pkg`` utility + libraries/containers/containers/containers.cabal: Dependency of ``ghc`` library + libraries/deepseq/deepseq.cabal: Dependency of ``ghc`` library + libraries/directory/directory.cabal: Dependency of ``ghc`` library + libraries/exceptions/exceptions.cabal: Dependency of ``ghc`` and ``haskeline`` library + libraries/filepath/filepath.cabal: Dependency of ``ghc`` library + compiler/ghc.cabal: The compiler itself + libraries/ghci/ghci.cabal: The REPL interface + libraries/ghc-boot/ghc-boot.cabal: Internal compiler library + libraries/ghc-boot-th/ghc-boot-th.cabal: Internal compiler library + libraries/ghc-compact/ghc-compact.cabal: Core library + libraries/ghc-heap/ghc-heap.cabal: GHC heap-walking library + libraries/ghc-prim/ghc-prim.cabal: Core library + libraries/haskeline/haskeline.cabal: Dependency of ``ghci`` executable + libraries/hpc/hpc.cabal: Dependency of ``hpc`` executable + libraries/integer-gmp/integer-gmp.cabal: Core library + libraries/mtl/mtl.cabal: Dependency of ``Cabal`` library + libraries/parsec/parsec.cabal: Dependency of ``Cabal`` library + libraries/pretty/pretty.cabal: Dependency of ``ghc`` library + libraries/process/process.cabal: Dependency of ``ghc`` library + libraries/stm/stm.cabal: Dependency of ``haskeline`` library + libraries/template-haskell/template-haskell.cabal: Core library + libraries/terminfo/terminfo.cabal: Dependency of ``haskeline`` library + libraries/text/text.cabal: Dependency of ``Cabal`` library + libraries/time/time.cabal: Dependency of ``ghc`` library + libraries/transformers/transformers.cabal: Dependency of ``ghc`` library + libraries/unix/unix.cabal: Dependency of ``ghc`` library + libraries/Win32/Win32.cabal: Dependency of ``ghc`` library + libraries/xhtml/xhtml.cabal: Dependency of ``haddock`` executable \ No newline at end of file View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/72e5c618bd6386ce03018537ad447d78... -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/72e5c618bd6386ce03018537ad447d78... 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