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

[Devon Loehr via llvm-commits]

DKLoehr wrote:

> Would be simple just normalize patters on load? Same for queries?

I don't know what the implications of this are, but it seems much simpler so we can try that instead.

I don't know what a query is in this context.

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