[all-commits] [llvm/llvm-project] 7c6c2a: [libc] Prefix sanitizer macros with LIBC_ (#205002)

[Nico Weber via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7c6c2af56f4a446c9e5221049eb63527e4ac0a97
      https://github.com/llvm/llvm-project/commit/7c6c2af56f4a446c9e5221049eb63527e4ac0a97
  Author: Nico Weber <thakis at chromium.org>
  Date:   2026-06-24 (Wed, 24 Jun 2026)

  Changed paths:
    M libc/src/__support/FPUtil/x86_64/fenv_x87_utils.h
    M libc/src/__support/macros/sanitizer.h
    M libc/src/sys/epoll/linux/epoll_pwait.cpp
    M libc/src/sys/epoll/linux/epoll_pwait2.cpp
    M libc/src/sys/epoll/linux/epoll_wait.cpp
    M libc/src/sys/socket/linux/recv.cpp
    M libc/src/sys/socket/linux/recvfrom.cpp
    M libc/src/sys/socket/linux/recvmsg.cpp
    M libc/src/sys/socket/linux/socketpair.cpp
    M libc/src/unistd/linux/pipe.cpp
    M libc/src/unistd/linux/pipe2.cpp
    M libc/src/unistd/linux/pread.cpp
    M libc/src/unistd/linux/read.cpp
    M libc/test/src/string/memory_utils/memory_check_utils.h

  Log Message:
  -----------
  [libc] Prefix sanitizer macros with LIBC_ (#205002)

Since these macros leak into user code via libc/shared/math.h,
prefix them with LIBC_ to not cause collisions.

Change created with:

    rg -l MSAN_UNPOISON libc | xargs sed -i '' \
        -e 's/MSAN_UNPOISON/LIBC_MSAN_UNPOISON/g'
    rg -l ASAN_POISON_MEMORY_REGION libc | xargs sed -i '' -e \
        's/ASAN_POISON_MEMORY_REGION/LIBC_ASAN_POISON_MEMORY_REGION/g'
    rg -l ASAN_POISON_MEMORY_REGION libc | xargs sed -i '' -e \
        's/ASAN_POISON_MEMORY_REGION/LIBC_ASAN_POISON_MEMORY_REGION/g'

No behavior change.



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