[heap] Adjust condition for AdjustLiveBytes to avoid concurrent access w/ sweeper

src/heap/heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/heap/heap.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/ast/scopeinfo.h"
 #include "src/base/bits.h"
@@ skipping 3090 matching lines @@
   return !InOldSpace(address) || page->WasSwept() || page->SweepingCompleted();
 }
 
 
 void Heap::AdjustLiveBytes(HeapObject* object, int by, InvocationMode mode) {
   // As long as the inspected object is black and we are currently not iterating
   // the heap using HeapIterator, we can update the live byte count. We cannot
   // update while using HeapIterator because the iterator is temporarily
   // marking the whole object graph, without updating live bytes.
   if (!in_heap_iterator() &&
+      !mark_compact_collector()->sweeping_in_progress() &&
       Marking::IsBlack(Marking::MarkBitFrom(object->address()))) {
     if (mode == SEQUENTIAL_TO_SWEEPER) {
       MemoryChunk::IncrementLiveBytesFromGC(object, by);
     } else {
       MemoryChunk::IncrementLiveBytesFromMutator(object, by);
     }
   }
 }
 
 
@@ skipping 3113 matching lines @@
 }
 
 
 // static
 int Heap::GetStaticVisitorIdForMap(Map* map) {
   return StaticVisitorBase::GetVisitorId(map);
 }
 
 }  // namespace internal
 }  // namespace v8