[lld] [llvm] [DTLTO][LLD][ELF] Add support for Integrated Distributed ThinLTO (PR #142757)

[via llvm-commits]

bd1976bris wrote:

> @bd1976bris The previous comment appears to report failures for the new test dtlto/files.test
> 
> ```
> # RUN: at line 34
> z:\b\llvm-clang-x86_64-sie-win\build\bin\ld.lld.exe @l.rsp
> # executed command: 'z:\b\llvm-clang-x86_64-sie-win\build\bin\ld.lld.exe' @l.rsp
> # .---command stderr------------
> # | ld.lld: error: cannot open Files\Python310\python.exe: no such file or directory
> # `-----------------------------
> # error: command failed with exit status: 1
> ```

Thanks! I believe the paths in the response file need to be quoted to handle spaces - e.g., "C:\Program Files\Python310\python.exe". Would you prefer I revert this PR and open a new one with the fix, or should I just push a point fix to address the buildbot failure?

https://github.com/llvm/llvm-project/pull/142757