[llvm] [LLVM][DWARF] Add support for monolithic types in .debug_names (PR #68131)

[David Blaikie via llvm-commits]

https://github.com/dwblaikie commented:

Given the concerns around memory usage of keeping the TUs alive - maybe we should 
discuss that/consider those issues before getting into the weeds of the mechanics of this review (I left a few more comments before I realized maybe they won't make sense anyway, depending on the direction)?

https://github.com/llvm/llvm-project/pull/68131