[llvm] [DwarfDump] Add new set of line-table-related statistics to llvm-dwarfdump (PR #93289)

[Stephen Tozer via llvm-commits]

SLTozer wrote:

> It might be possible using yaml2obj? Setting up yaml2obj tests for DWARF can be pretty fiddly though. I don't want to block this patch if others are broadly happy though

I looked at yaml2obj, couldn't figure out a way to get it to do what I need - it seems like it doesn't support debug lines, and if it does I haven't found out how to make it do so.

https://github.com/llvm/llvm-project/pull/93289