[llvm] [BOLT][DWARF] Fix debug info update issue with dwarf4 dwp (PR #155619)

[Paschalis Mpeis via llvm-commits]

https://github.com/paschalis-mpeis commented:

Thanks for improving support for split dwarf.
As this is generic, we’d welcome a test that runs on AArch64 too (if not much effort). :)



https://github.com/llvm/llvm-project/pull/155619