| Index: src/heap/incremental-marking.cc
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| diff --git a/src/heap/incremental-marking.cc b/src/heap/incremental-marking.cc
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| index c250b90b1c99d260be6ae137d212ca02bc97db35..6171cb270e9f5a2a129e2f0ad3524e62b715d75c 100644
 | 
| --- a/src/heap/incremental-marking.cc
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| +++ b/src/heap/incremental-marking.cc
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| @@ -547,6 +547,7 @@ void IncrementalMarking::StartMarking() {
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|        MarkCompactCollector::kMaxMarkingDequeSize);
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|  
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|    ActivateIncrementalWriteBarrier();
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| +  ArrayBufferTracker::ResetTrackersInOldSpace(heap_);
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|  
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|  // Marking bits are cleared by the sweeper.
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|  #ifdef VERIFY_HEAP
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| 
 |