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

[Justin Stitt via cfe-commits]

JustinStitt wrote:

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

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