[compiler-rt] [llvm] [compiler-rt] Add AMDGPU Device UndefinedBehaviorSanitizer runtime (PR #219972)

[Joseph Huber via llvm-commits]

jhuber6 wrote:

ping, the core sanitizer changes are a few hundred lines and mostly mechanical, so I'm hoping this is acceptable to the sanitizer maintainers. I am planning a follow-up that factors the HSA layer into a more common utility as well, but did not want to complicate this PR before there was a need.

https://github.com/llvm/llvm-project/pull/219972