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

[Jinjie Huang via llvm-commits]

Jinjie-Huang wrote:

I've modified the test to use the minimal assembly, but I currently don't have an ARM machine, so ARM tests haven't been added for now...

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