[lld] [ELF] Don't resolve relocations referencing SHN_ABS to tombstone in non-SHF_ALLOC sections (PR #79238)

[Fangrui Song via llvm-commits]

MaskRay wrote:

> This patch resolves the issue we have. I posted an example of the kind of code that triggers it in the previous PR.

Thanks for verification. Do you have more information about `SHN_ABS` in debug sections? Ideally you can share a reproduce tarball (`ld.lld --reproduce=rep.tar`) after minimization.

https://github.com/llvm/llvm-project/pull/79238