[clang] [llvm] [Coroutines] Change `llvm.coro.noop` to accept `llvm_anyptr_ty` instead (PR #102096)

[Joseph Huber via cfe-commits]

jhuber6 wrote:

> I imagine the better fix would be to either overload the intrinsic or make it return a pointer in the global address space, depending on whether it's semantics tied to globals or this is just an implementation choice.

It's definitely tied to globals for `noop` in this case, so I did what you suggested. I think we should apply this to a lot of the other ones, but they should be separate patches and this solves my immediate problem.

https://github.com/llvm/llvm-project/pull/102096