[llvm] [LLVM][TableGen] Check overloaded intrinsic mangling suffix conflicts (PR #110324)

[Rahul Joshi via llvm-commits]

jurahul wrote:

> > I did actually run into this oddity when removing some of the amdgpu atomic intrinsics
> 
> Could you please elaborate on this? I don't really understand what kind of issue you can hit when _removing_ intrinsics.

May be @arsenm meant "renaming" and not "removing"? @arsenm can you clarify?

https://github.com/llvm/llvm-project/pull/110324