[llvm] [llvm-dwarfdump] Print number of out-of-line functions described by DWARF (PR #127233)

[Orlando Cazalet-Hyams via llvm-commits]

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

Seems like a reasonable stat to track. Thanks, this LGTM.

Do you have commit access or do you need this merged for you?

https://github.com/llvm/llvm-project/pull/127233