[clang] [llvm] [Clang] Fix nomerge attribute not working with __builtin_trap(), __debugbreak(), __builtin_verbose_trap() (PR #101549)

[Fangrui Song via llvm-commits]

MaskRay wrote:

> > Thanks for reporting. Those tests are failed due to not updated properly. I relanded this change with updated tests: [ae6dc64](https://github.com/llvm/llvm-project/commit/ae6dc64ec670891cb15049277e43133d4df7fb4b).
> 
> Your updated change still seems to cause the test `CodeGen/attr-nomerge.cpp` to fail on AArch64 bots:
> 
> * [lab.llvm.org/buildbot#/builders/17/builds/1677](https://lab.llvm.org/buildbot/#/builders/17/builds/1677)
> * [lab.llvm.org/buildbot#/builders/154/builds/2248](https://lab.llvm.org/buildbot/#/builders/154/builds/2248)
> * [lab.llvm.org/buildbot#/builders/190/builds/3065](https://lab.llvm.org/buildbot/#/builders/190/builds/3065)
> 
> Can you either fix or revert if you need time to investigate?

Hopefully fixed by c5f1395f2f7f92015748069528d46ad89cecc9f1. If not, perhaps a fixed `-triple` should be used instead.

https://github.com/llvm/llvm-project/pull/101549