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

[Teresa Johnson via llvm-commits]

https://github.com/teresajohnson commented:

A few questions about tests below. Also, ModuleSymbolTable::CollectAsmSymbols is called when building the ModuleSummaryIndex for ThinLTO - I don't see any ThinLTO tests modified or added here - do we need one to make sure nothing surprising happens in that mode?

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