[llvm] [LLVM][DWARF] Change .debug_names abbrev to be an index (PR #81200)

[David Blaikie via llvm-commits]

https://github.com/dwblaikie commented:

Thanks! This looks like the right direction to me (ideally we'd actually share some of the code, but making it more similar at least goes part way to easing such a merge & at least making the differences/reasons for differences clearer, against the similarities)

https://github.com/llvm/llvm-project/pull/81200