[all-commits] [llvm/llvm-project] 8a05c2: Add an off-by-default warning to complain about MS...

[Oliver Hunt via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8a05c20c963db27db0c93b422dab061a0d53a91f
      https://github.com/llvm/llvm-project/commit/8a05c20c963db27db0c93b422dab061a0d53a91f
  Author: Oliver Hunt <oliver at apple.com>
  Date:   2025-05-13 (Tue, 13 May 2025)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/AttrDocs.td
    M clang/include/clang/Basic/DiagnosticGroups.td
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/lib/Sema/SemaDecl.cpp
    M clang/test/Sema/bitfield-layout.c
    M clang/test/Sema/bitfield-layout_1.c
    M clang/test/Sema/mms-bitfields.c
    M clang/test/SemaCXX/bitfield.cpp
    A clang/test/SemaCXX/ms_struct-bitfield-padding.cpp

  Log Message:
  -----------
  Add an off-by-default warning to complain about MSVC bitfield padding (#117428)

This just adds a warning for bitfields placed next to other bitfields
where the underlying type has different storage. Under the MS struct
bitfield packing ABI such bitfields are not packed.



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