[clang] [llvm] [DLCov 2/5] Implement DebugLoc coverage tracking (PR #107279)

[J. Ryan Stinnett via llvm-commits]

https://github.com/jryans commented:

Looks good overall, a few comments inline. 

Thanks for working on this feature, I believe this will be quite useful! 😄 

https://github.com/llvm/llvm-project/pull/107279