[clang] [compiler-rt] [llvm] [TySan] User-friendly (C style) pointer type names for error reports (PR #166381)

[Florian Hahn via cfe-commits]

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

Overall LGM, but not sure about the common practices for sharing helpers between sanitizers, so another review would be good .

https://github.com/llvm/llvm-project/pull/166381