[llvm-branch-commits] [compiler-rt] [compiler-rt] Add 'csan' library for the concurrency sanitizer (PR #225782)

[Vitaly Buka via llvm-branch-commits]

https://github.com/vitalybuka approved this pull request.

LGTM, but too many domain specific things for which I can't tell if they correct. I guess we will iterated on them as needed.

https://github.com/llvm/llvm-project/pull/225782