[clang] [UBSAN] Preserve ubsan code with ubsan-unique-traps (PR #83470)

[Oskar Wirga via cfe-commits]

oskarwirga wrote:

> I changed my design, so I don't need this patch. Given https://godbolt.org/z/4KfEKq7zb, I can revert your patch, or just leave it as is. I have no preference.

I would prefer leaving it as is, I will make a note to revisit this pending further testing on my end to see how useful it really is. Thank you :) 

https://github.com/llvm/llvm-project/pull/83470