[llvm] [LLVM][DWARF] Add support for monolithic types in .debug_names (PR #70515)

[David Blaikie via llvm-commits]

dwblaikie wrote:

(if we don't get this perfect by Friday, it's probably close enough I'm happy to approve and I can do some follow-ups post-commit, FWIW)

https://github.com/llvm/llvm-project/pull/70515