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

[Stephen Tozer via cfe-commits]

SLTozer wrote:

> Hi, I believe this merge is breaking external projects because you added `#include "llvm/Config/config.h"` which is not available (see comments at the top of that file).

Reverted for now, will look into relanding without the inclusion issue later.

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