[PATCH] D87029: [AIX] Implement AIX special bitfield related alignment rules

[Xiangling Liao via Phabricator via cfe-commits]

Xiangling_L created this revision.
Xiangling_L added reviewers: jasonliu, hubert.reinterpretcast.
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Herald added a subscriber: cfe-commits.
Xiangling_L requested review of this revision.

1.[bool, char, short] bitfields have the same alignment as unsigned int
2.Adjust alignment on typedef field decls/honor align attribute
3.Fix alignment for scoped enum class
4.Long long bitfield has 4bytes alignment and StorageUnitSize under 32 bit compile mode
5.Emit error for oversized bitfield under 32bit mode


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D87029

Files:
  clang/lib/AST/RecordLayoutBuilder.cpp
  clang/lib/Sema/SemaDecl.cpp
  clang/test/Layout/aix-bitfield-alignment.cpp
  clang/test/Layout/aix-oversized-bitfield.cpp

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