diff --git a/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp b/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp
--- a/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp
+++ b/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp
@@ -770,6 +770,7 @@
     ExecutionCount = WrappedSegment->Count;
   if (!MinRegionCount)
     return;
+  ExecutionCount = 0;
   for (const auto *LS : LineSegments)
     if (isStartOfRegion(LS))
       ExecutionCount = std::max(ExecutionCount, LS->Count);