[compiler-rt] [llvm] [JITLink] Add initial TLS support for SystemZ (PR #170706)

[Ulrich Weigand via llvm-commits]

https://github.com/uweigand commented:

I think if we enable building the ORC runtime library, we need to make sure that *all* of it works correctly, not just the TLS bits.  It would probably be best to first have a patch that enables the library plus all relevant tests, and then have a follow-on patch that takes care of TLS.

https://github.com/llvm/llvm-project/pull/170706