[llvm] [BOLT][DWARF] Add support for transitive DW_AT_name/DW_AT_linkage_name resolution for DW_AT_name/DW_AT_linkage_name. (PR #119493)

[Alexander Yermolovich via llvm-commits]

ayermolo wrote:

> Looks fine to me, but please change the commit message to match the title rather than using `refactor + support abstr chain`

That will be automatically be used when Squash and merge through UI.
Thanks for review.

https://github.com/llvm/llvm-project/pull/119493