[clang] [llvm] [Sanitizer] Make sanitizer passes idempotent (PR #99439)

[Vitaly Buka via cfe-commits]

vitalybuka wrote:

> > @vitalybuka @nikic Let me know if anything needs to be changed in this PR? Else, will merge the PR after approval.
> 
> Please review.

you should click "re-request review" button next to review.

https://github.com/llvm/llvm-project/pull/99439