[compiler-rt] [tsan] Fix running check-ubsan with COMPILER_RT_DEBUG=ON (PR #83886)

[Fangrui Song via llvm-commits]

https://github.com/MaskRay requested changes to this pull request.

Commented on #83890. Yes, 83890 looks better than this one.

https://github.com/llvm/llvm-project/pull/83886