[all-commits] [llvm/llvm-project] 8d1782: [clang][Driver] Fix Linux/sparc64 -m32 (#98124)

[Rainer Orth via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8d17824890f668cca654a6b821d642bd3192dc81
      https://github.com/llvm/llvm-project/commit/8d17824890f668cca654a6b821d642bd3192dc81
  Author: Rainer Orth <ro at gcc.gnu.org>
  Date:   2024-07-10 (Wed, 10 Jul 2024)

  Changed paths:
    M clang/lib/Driver/ToolChains/Gnu.cpp

  Log Message:
  -----------
  [clang][Driver] Fix Linux/sparc64 -m32 (#98124)

`clang` currently fails to find a GCC installation on Linux/sparc64 with
`-m32`. `strace` reveals that `clang` tries to access
`/usr/lib/gcc/sparcv9-linux-gnu` (which doesn't exist) instead of
`/usr/lib/gcc/sparc64-linux-gnu`.

It turns out that 20d497c26fc95c80a1bacb38820d92e5f52bec58 was overeager
in removing some of the necessary directories.

Fixed by reverting the Linux/sparc* part of the patch.

Tested on `sparc64-unknown-linux-gnu`.



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