[lld] [ELF] Fix TLS GD against non-preemptible dynamic symbols in DSOs (PR #207881)

[Jessica Clarke via llvm-commits]

jrtc27 wrote:

Sure, I'll try reworking the message tomorrow; my thoughts were definitely coming out jumbled with it being late at night (and this was the polished version of them...)

https://github.com/llvm/llvm-project/pull/207881