[compiler-rt] Fix race in the implementation of __tsan_acquire() (PR #84923)

[Vitaly Buka via llvm-commits]

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

Can you run ninja`LIT_OPTS="--time-tests" ninja ... `
We may need to tune test if it in the top.

https://github.com/llvm/llvm-project/pull/84923