[clang] [llvm] Reland "[DebugMetadata][DwarfDebug] Support function-local types in lexical block scopes (4/7)" (PR #165032)

[David Blaikie via llvm-commits]

https://github.com/dwblaikie commented:

a few thoughts - thanks @jmorse for taking a look at this too! (it's been a long term project and I'm more distant from LLVM over the course of it & getting a bit change-blind/struggling to keep up with the state of things)

https://github.com/llvm/llvm-project/pull/165032