[compiler-rt] [compiler-rt][ubsan] erase hard drive upon UB (PR #87251)

[Kees Cook via llvm-commits]

https://github.com/kees commented:

I think we need to follow the recent examples from Jia Tan and make sure we've got overly complete test coverage. Can you add some Codegen tests as well?

https://github.com/llvm/llvm-project/pull/87251