[llvm] Aggregate errors from llvm-dwarfdump --verify (PR #79648)

[Kevin Frei via llvm-commits]

kevinfrei wrote:

> Your PR descriptions says `llvm-dwarfutil` but based on your reply you were talking about `llvm-dwarfdump`

ZOMG, you are correct: I typed "llvm-dwarfutil" when I meant "llvm-dwarfdump". Fixed 🤡

https://github.com/llvm/llvm-project/pull/79648