[compiler-rt] [TSan] Fix deadlocks during TSan error reporting on Apple platforms (PR #151495)

[Dan Blackwell via llvm-commits]

DanBlackwell wrote:

Ok @thurstond, I have guarded this all so that only Apple platforms release locks before outputting. It's quite a big diff, let me know if you think it needs splitting up.

https://github.com/llvm/llvm-project/pull/151495