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

[Scott Manley via cfe-commits]

rscottmanley wrote:

Hi, I believe this merge is breaking external projects because you added `#include "llvm/Config/config.h"` which is not available. #include "llvm/Config/llvm-config.h` but then `ENABLE_DEBUGLOC_COVERAGE_TRACKING` is not defined. 

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