[lld] [llvm] IRSymTab: Record _GLOBAL_OFFSET_TABLE_ for ELF x86 (PR #89463)

[Arthur Eubanks via llvm-commits]

aeubanks wrote:

I was trying to understand why we couldn't resolve `_GLOBAL_OFFSET_TABLE_` after LTO in lld. Ideally we wouldn't special case linker-synthesized symbols in LLVM?

https://github.com/llvm/llvm-project/pull/89463