[all-commits] [llvm/llvm-project] cf8c35: Revert "[Lex] Warn when defining or undefining any...

[Nico Weber via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cf8c358dc9414e3de9f65eebdfdcb66dd5817857
      https://github.com/llvm/llvm-project/commit/cf8c358dc9414e3de9f65eebdfdcb66dd5817857
  Author: Nico Weber <thakis at chromium.org>
  Date:   2023-05-17 (Wed, 17 May 2023)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/lib/Basic/Targets/AArch64.cpp
    M clang/lib/Lex/PPDirectives.cpp
    M clang/test/Lexer/builtin_redef.c
    M clang/test/Preprocessor/macro-reserved.c
    M clang/test/Preprocessor/macro-reserved.cpp

  Log Message:
  -----------
  Revert "[Lex] Warn when defining or undefining any builtin macro"

This reverts commit 22e3f587fd1ff97185014cb1ba723579ed2150d3.
Breaks check-clang on arm, see https://reviews.llvm.org/D144654#4349954

Also reverts follow-up "[AArch64] Don't redefine _LP64 and __LP64__"

This reverts commit e55d52cd34fb7a6a6617639d147b9d0abaceeeab.