[llvm] [DebugNames] Implement per-entry abbreviation support (PR #76731)

[Felipe de Azevedo Piovezan via llvm-commits]

felipepiovezan wrote:

I think I am going to put this on hold for now, I might be able to bend the existing implementation to support this without too much code.

https://github.com/llvm/llvm-project/pull/76731