[clang] [clang] Add optional pass to remove UBSAN traps using PGO (PR #84214)

[Vitaly Buka via cfe-commits]

vitalybuka wrote:

> @vitalybuka the test you added `remote-traps.c` seems to be failing on a few buildbots, can you take a look?
> 
> * https://lab.llvm.org/buildbot/#/builders/231/builds/21492
> * https://lab.llvm.org/buildbot/#/builders/280/builds/6

looking

https://github.com/llvm/llvm-project/pull/84214