From e3df9471750935876bd2bf7da93ccf0eacca8592 Mon Sep 17 00:00:00 2001
From: Zequan Wu <zequanwu@google.com>
Date: Thu, 30 Jul 2020 23:36:31 -0700
Subject: [llvm-cov] reset executation count to 0 after wrapped segment

Fix the bug: https://bugs.llvm.org/show_bug.cgi?id=36979. It also fixes this bug: https://bugs.llvm.org/show_bug.cgi?id=35404, which I think is caused by the same problem.

Differential Revision: https://reviews.llvm.org/D85036
---
 llvm/lib/ProfileData/Coverage/CoverageMapping.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/ProfileData/Coverage/CoverageMapping.cpp')

diff --git a/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp b/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp
index 70f00d3..3197f5d 100644
--- a/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp
+++ b/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp
@@ -770,6 +770,7 @@ LineCoverageStats::LineCoverageStats(
     ExecutionCount = WrappedSegment->Count;
   if (!MinRegionCount)
     return;
+  ExecutionCount = 0;
   for (const auto *LS : LineSegments)
     if (isStartOfRegion(LS))
       ExecutionCount = std::max(ExecutionCount, LS->Count);
-- 
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