[llvm] [llvm-dwarfdump][LineCov 2/3] Add coverage baseline comparison and line table coverage in isolation (PR #183790)

[via llvm-commits]

unexpectedlydefined wrote:

@CarlosAlbertoEnciso the unmerged patches are on the `coverage-*` branches of my fork and are somewhat usable in their current state, although you should expect them to be force-pushed regularly...

https://github.com/llvm/llvm-project/pull/183790