[all-commits] [llvm/llvm-project] 638d67: [LifetimeSafety] Add better lifetimebound fix-it s...

[Zeyi Xu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 638d6736400891b03f211487ccb643a49f14f743
      https://github.com/llvm/llvm-project/commit/638d6736400891b03f211487ccb643a49f14f743
  Author: Zeyi Xu <mitchell.xu2 at gmail.com>
  Date:   2026-07-16 (Thu, 16 Jul 2026)

  Changed paths:
    M clang/lib/Sema/SemaLifetimeSafety.h
    A clang/test/Sema/LifetimeSafety/annotation-suggestions-fixits.c

  Log Message:
  -----------
  [LifetimeSafety] Add better lifetimebound fix-it spelling for C (#209967)

Use `__attribute__((lifetimebound))` as the default lifetimebound fix-it
spelling in pre-C23 C.
C++ and C23 continue to use `[[clang::lifetimebound]]` as the default
spelling.

When no explicit lifetimebound macro is configured, pre-C23 C only looks
for `__attribute__((lifetimebound))`, C++ and C23 keep looking for
`[[clang::lifetimebound]]` macros first, then
`__attribute__((lifetimebound))`.

Follow up of https://github.com/llvm/llvm-project/pull/204045



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