[llvm] [BOLT] Fix incorrect CU-indicies in gdb-index (PR #151927)

[via llvm-commits]

itrofimow wrote:

Hi @aaupov ! Maybe you could merge this PR for me and give this one https://github.com/llvm/llvm-project/pull/151923 a quick look?

https://github.com/llvm/llvm-project/pull/151927