[clang] [llvm] [coverage] skipping code coverage for 'if constexpr' and 'if consteval' [WIP] (PR #78033)

[Hana Dusíková via cfe-commits]

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@@ -1251,6 +1264,70 @@ struct CounterCoverageMappingBuilder
     popRegions(Index);
   }
 
+  /// Find a valid range starting with \p StartingLoc and ending before \p
+  /// BeforeLoc.
+  std::optional<SourceRange> findAreaStartingFromTo(SourceLocation StartingLoc,
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hanickadot wrote:

this is modified function `findGapAreaBetween` but we need to start at StartingLoc, not after

https://github.com/llvm/llvm-project/pull/78033