[llvm] [DebugInfo][LLVM IR] Verifier checks for the extraData (PR #167971)

[Vladislav Dzhidzhoev via llvm-commits]

https://github.com/dzhidzhoev approved this pull request.

LGTM

I think it's better to use [IR] tag instead of [LLVM IR] in the commit title, as it is more widely used if we look at `git log`.

https://github.com/llvm/llvm-project/pull/167971