Use no barrier size accessor in FreeListCategory::SumFreeList.

src/spaces.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2473 matching lines @@
 }
 
 
 #ifdef DEBUG
 intptr_t FreeListCategory::SumFreeList() {
   intptr_t sum = 0;
   FreeListNode* cur = top();
   while (cur != NULL) {
     ASSERT(cur->map() == cur->GetHeap()->raw_unchecked_free_space_map());
     FreeSpace* cur_as_free_space = reinterpret_cast<FreeSpace*>(cur);
-    sum += cur_as_free_space->Size();
+    sum += cur_as_free_space->nobarrier_size();
     cur = cur->next();
   }
   return sum;
 }
 
 
 static const int kVeryLongFreeList = 500;
 
 
 int FreeListCategory::FreeListLength() {
@@ skipping 697 matching lines @@
     object->ShortPrint();
     PrintF("\n");
   }
   printf(" --------------------------------------\n");
   printf(" Marked: %x, LiveCount: %x\n", mark_size, LiveBytes());
 }
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal