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

[Vitaly Buka via cfe-commits]

vitalybuka wrote:

> @vitalybuka Can we move forward with this? The most recent commit uses the `=sanitize` `=no_sanitize` wording that you prefer.

yes, we can
you should press "re-request review" after update

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