[llvm] [DebugInfo] Use human-friendly printing for DWARF column attributes (PR #71062)

[J. Ryan Stinnett via llvm-commits]

jryans wrote:

Thanks for taking a look @OCHyams!

I have updated existing tests to match the new output and also added a new test specifically for checking this kind of source coordinate output.

https://github.com/llvm/llvm-project/pull/71062