[lld] [lld][ICF] Prevent merging two sections when they point to non-globals (PR #136641)

[Fangrui Song via llvm-commits]

https://github.com/MaskRay requested changes to this pull request.

I'm traveling with limited internet access and haven't fully analyzed the scenario.

I'm concerned that enumerating relocation types adds unnecessary complexity, potentially opening a new can of worms.
Coverage is poor, other architectures are not covered, and adapting to new relocation types could be challenging.


https://github.com/llvm/llvm-project/pull/136641