[clang] [clang][Dependency Scanning] Adding an API to Diagnose Invalid Negative Stat Cache Entries (PR #135703)

[Jan Svoboda via cfe-commits]

https://github.com/jansvoboda11 commented:

On a second thought, what's the current intent for build system integration? I'm curious why we're emitting a diagnostic here rather than just passing the list of paths back to the build system and letting it decide how to report these.

https://github.com/llvm/llvm-project/pull/135703