[clang] [llvm] [clang][IR] Overload @llvm.thread.pointer to support non-AS0 targets (PR #132489)

[Eli Friedman via llvm-commits]

https://github.com/efriedma-quic commented:

I think you also need to fix the backends so if they see thread_pointer intrinsic with the wrong address-space, they don't crash.

https://github.com/llvm/llvm-project/pull/132489