[llvm-branch-commits] [Remarks] BitstreamRemarkParser: Refactor error handling (PR #156511)

[Florian Hahn via llvm-branch-commits]

https://github.com/fhahn commented:

> NFCI (except for error messages on invalid bitstream files).

Would it be possible to add a test for the new error messages w/o too much effort?

https://github.com/llvm/llvm-project/pull/156511