[all-commits] [llvm/llvm-project] 6ac631: [LLVM] Only enable `-fno-lifetime-dse` in LTO mode...

[Joseph Huber via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6ac63129b7ef3413c9f86b81e9d33a619f94f911
      https://github.com/llvm/llvm-project/commit/6ac63129b7ef3413c9f86b81e9d33a619f94f911
  Author: Joseph Huber <huberjn at outlook.com>
  Date:   2025-03-14 (Fri, 14 Mar 2025)

  Changed paths:
    M llvm/cmake/modules/HandleLLVMOptions.cmake

  Log Message:
  -----------
  [LLVM] Only enable `-fno-lifetime-dse` in LTO mode (#131381)

Summary:
Always passing this option is problematic since it is not supported by
`clang.` this leads to conflicts when using extra CMake tools like
`compile-commands` or `include-what-you-use`. This mainly works around a
bug that showed up during the LTO build. Theoretically this can show up
without LTO, but it's likely to work.

This can be removed once
https://github.com/llvm/llvm-project/issues/24952 is resolved.



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