Virtually dispatched specialized scavengers.

src/objects.cc

 // Copyright 2006-2009 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 2172 matching lines @@
   if (obj->IsFailure()) return obj;
   Map* new_map = Map::cast(obj);
 
   // Clear inobject properties if needed by adjusting the instance size and
   // putting in a filler object instead of the inobject properties.
   if (mode == CLEAR_INOBJECT_PROPERTIES && map()->inobject_properties() > 0) {
     int instance_size_delta = map()->inobject_properties() * kPointerSize;
     int new_instance_size = map()->instance_size() - instance_size_delta;
     new_map->set_inobject_properties(0);
     new_map->set_instance_size(new_instance_size);
+    new_map->set_scavenger(Heap::GetScavenger(new_map->instance_type(),
+                                              new_map->instance_size()));
     Heap::CreateFillerObjectAt(this->address() + new_instance_size,
                                instance_size_delta);
   }
   new_map->set_unused_property_fields(0);
 
   // We have now successfully allocated all the necessary objects.
   // Changes can now be made with the guarantee that all of them take effect.
   set_map(new_map);
   map()->set_instance_descriptors(Heap::empty_descriptor_array());
 
@@ skipping 6566 matching lines @@
   if (break_point_objects()->IsUndefined()) return 0;
   // Single beak point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }
 #endif
 
 
 } }  // namespace v8::internal