[compiler-rt] Synchronizing ASAN init on Windows (PR #71833)

[Zack Johnson via llvm-commits]

zacklj89 wrote:

Thanks @vitalybuka! I was trying to add reviewers as well (you, @strega-nil , and @barcharcraz), but I was unable to. Are there specific permissions needed, or something I missed in the Contributing.md?

https://github.com/llvm/llvm-project/pull/71833