[all-commits] [llvm/llvm-project] 8a6867: [Driver, AArch64] Ensure -arch logic is Darwin-spec...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8a686716e360157ad5726560cc5ea61be647893c
      https://github.com/llvm/llvm-project/commit/8a686716e360157ad5726560cc5ea61be647893c
  Author: Fangrui Song <i at maskray.me>
  Date:   2023-12-05 (Tue, 05 Dec 2023)

  Changed paths:
    M clang/lib/Driver/ToolChains/Arch/AArch64.cpp
    M clang/test/Driver/arm-arch-darwin.c

  Log Message:
  -----------
  [Driver,AArch64] Ensure -arch logic is Darwin-specific

`-arch` is a Darwin-specific option that is ignored for other targets
and not known by GCC. It leads to an error for non-Darwin OSes for
non-AArch64 architectures. Ensure that it leads to an error for AArch64
non-Darwin OSes as well.