| Index: src/heap/heap.cc
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| diff --git a/src/heap/heap.cc b/src/heap/heap.cc
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| index 4f09e675414c4d5e35d014f86273a08faef747ef..763a115883929074b07491adbdca83bf03197370 100644
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| --- a/src/heap/heap.cc
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| +++ b/src/heap/heap.cc
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| @@ -2101,6 +2101,7 @@ AllocationResult Heap::AllocateMap(InstanceType instance_type,
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|    AllocationResult allocation = AllocateRaw(Map::kSize, MAP_SPACE);
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|    if (!allocation.To(&result)) return allocation;
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|  
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| +  isolate()->counters()->maps_created()->Increment();
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|    result->set_map_no_write_barrier(meta_map());
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|    Map* map = Map::cast(result);
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|    map->set_instance_type(instance_type);
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| 
 |