[llvm] [AArch64][BOLT] Fold local-exec TLS relocations into loads and stores (PR #215531)

[Peter Smith via llvm-commits]

https://github.com/smithp35 approved this pull request.

Thanks for the update. LGTM on the AArch64 llvm backend side. Would be good to get an approval for the BOLT side before merging. 

https://github.com/llvm/llvm-project/pull/215531