llvm-project

e7215803 - [Instrumentor] Add unreachable support; unreachable stack trace printing (#197339)

[Instrumentor] Add unreachable support; unreachable stack trace printing (#197339) Allow to instrument unreachable and provide a use case to identify an unreachable was reached. Duplicate of https://github.com/llvm/llvm-project/pull/195408 as I can't use GH properly.