This is the only place from where we are allowed to modify the value of
the descriptors pointer.
Review URL: https://chromiumcodereview.appspot.com/
10905266
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12500
ce2b1a6d-e550-0410-aec6-
3dcde31c8c00
// new_map and install its descriptors in the old_map. Since the old_map
// stores the descriptors for the new_map, remove the transition array of
// the new_map that is only in place to store the descriptors.
- old_map->transitions()->set_descriptors(new_map->instance_descriptors());
+ old_map->transitions()->descriptors_pointer()->set_value(
+ new_map->instance_descriptors());
new_map->ClearTransitions(GetHeap());
old_map->set_owns_descriptors(false);
Map* map;