[clang] [llvm] [DLCov 3/5] Implement DebugLoc origin-tracking (PR #107369)

[J. Ryan Stinnett via cfe-commits]

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@@ -115,6 +138,23 @@ namespace llvm {
     DebugLocKind getKind() const { return Loc.Kind; }
 #endif
 
+#if ENABLE_DEBUGLOC_ORIGIN_TRACKING
+#if !ENABLE_DEBUGLOC_COVERAGE_TRACKING
+#error Cannot enable DebugLoc origin-tracking without coverage-tracking!
+#endif
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jryans wrote:

Hmm, how are environment variables ending up with up confused compiler defines...? Anyway, it's fine to keep, even if highly unlikely to be hit.

https://github.com/llvm/llvm-project/pull/107369