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

[Stephen Hines via llvm-commits]

stephenhines wrote:

Why stop at erasing "your" hard drive? Why not erase the hard drive for anyone else's machine that you've ever received a code review from? Oh no!

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