[llvm] [clang] `llvm-cov` assertion failure when handling MC/DC that involves macros (PR #80098)

[NAKAMURA Takumi via cfe-commits]

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@@ -857,6 +857,8 @@ struct CounterCoverageMappingBuilder
 
   unsigned getRegionBitmap(const Stmt *S) { return MCDCBitmapMap[S]; }
 
+  unsigned long MCDCDebugCounter;
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chapuni wrote:

What is its preferable name? I guess you expects unique ID for debug for now.

https://github.com/llvm/llvm-project/pull/80098