[llvm] [PPC] Lower unreachable IR instruction to a trap. (PR #101379)

[Nikita Popov via llvm-commits]

https://github.com/nikic requested changes to this pull request.

I don't think it's appropriate to do this as a per-target opt-in (as long as there is no technical requirement that is actually target specific). If you want to do this change, it should happen globally in clang, for all targets.

https://github.com/llvm/llvm-project/pull/101379