[llvm] Verify threadlocal_address constraints (PR #87841)

[Matthias Braun via llvm-commits]

MatzeB wrote:

@AlexVlx the `test/Transforms/HipStdPar/unsupported-thread-local-indirect-use.ll` does not conform to this verifier check.

I'm not really sure whether this is a desirable pattern, if so then we should document this as an allowed use case for the `threadlocal.address` intrinsic or otherwise can we just remove the test here?

https://github.com/llvm/llvm-project/pull/87841