Version 3.28.71.5 (merged r23129, r23114)

src/heap/store-buffer.cc

 // Copyright 2011 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 <algorithm>
 
 #include "src/v8.h"
 
 #include "src/base/atomicops.h"
 #include "src/counters.h"
@@ skipping 468 matching lines @@
           PagedSpace* owner = reinterpret_cast<PagedSpace*>(page->owner());
           Address start = page->area_start();
           Address end = page->area_end();
           if (owner == heap_->map_space()) {
             DCHECK(page->WasSweptPrecisely());
             HeapObjectIterator iterator(page, NULL);
             for (HeapObject* heap_object = iterator.Next(); heap_object != NULL;
                  heap_object = iterator.Next()) {
               // We skip free space objects.
               if (!heap_object->IsFiller()) {
+                DCHECK(heap_object->IsMap());
                 FindPointersToNewSpaceInRegion(
-                    heap_object->address() + HeapObject::kHeaderSize,
-                    heap_object->address() + heap_object->Size(), slot_callback,
-                    clear_maps);
+                    heap_object->address() + Map::kPointerFieldsBeginOffset,
+                    heap_object->address() + Map::kPointerFieldsEndOffset,
+                    slot_callback, clear_maps);
               }
             }
           } else {
             if (!page->SweepingCompleted()) {
               heap_->mark_compact_collector()->SweepInParallel(page, owner);
               if (!page->SweepingCompleted()) {
                 // We were not able to sweep that page, i.e., a concurrent
                 // sweeper thread currently owns this page.
                 // TODO(hpayer): This may introduce a huge pause here. We
                 // just care about finish sweeping of the scan on scavenge page.
@@ skipping 77 matching lines @@
     }
     old_buffer_is_sorted_ = false;
     old_buffer_is_filtered_ = false;
     *old_top_++ = reinterpret_cast<Address>(int_addr << kPointerSizeLog2);
     DCHECK(old_top_ <= old_limit_);
   }
   heap_->isolate()->counters()->store_buffer_compactions()->Increment();
 }
 }
 }  // namespace v8::internal