[lld] [LLD][ELF] Don't spill to same memory region (PR #129795)

[Peter Smith via llvm-commits]

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

Thanks for the update. LGTM on my side. Would be good to give MaskRay some time to comment too.

https://github.com/llvm/llvm-project/pull/129795