[clang] [Clang] Implement labelled type filtering for overflow/truncation sanitizers w/ SSCLs (PR #107332)

[Vitaly Buka via cfe-commits]

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

Actually LGTM,
Request for doc and test is quite straightforward. No need to block on me.


https://github.com/llvm/llvm-project/pull/107332