[llvm] [ARM] Use .reloc for dso_local weak symbols in PIC mode instead of GOT indirection (PR #209660)

[Peter Smith via llvm-commits]

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

Thanks for the latest update and for being patient with all the addtional comments. 

The latest update looks good to me. 

When I looked again at the patch with the initial R_ARM_REL32 with a .reloc directive, it would operate on all weak symbols, which is what prompted the failures in the sanitizer tests. 


https://github.com/llvm/llvm-project/pull/209660