[clang] [llvm] Make sanitizer special case list slash-agnostic (PR #149886)

[Vitaly Buka via llvm-commits]

vitalybuka wrote:

@DKLoehr I guess for no.3 we need some consensus with @jyknight

For no.4 or even your original patch I am ready to proceed.

However for the original patch additional changes are needed: we need to short circuit prefix/suffix/subsisting optimization.


https://github.com/llvm/llvm-project/pull/149886