Add support for API accessors that prohibit overwriting by accessors...

src/factory.cc

 // Copyright 2006-2008 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 707 matching lines @@
     map->set_is_undetectable();
   }
 
   // Mark as hidden for the __proto__ accessor if needed.
   if (obj->hidden_prototype()) {
     map->set_is_hidden_prototype();
   }
 
   // Mark as needs_access_check if needed.
   if (obj->needs_access_check()) {
-    map->set_is_access_check_needed();
+    map->set_is_access_check_needed(true);
   }
 
   // Set interceptor information in the map.
   if (!obj->named_property_handler()->IsUndefined()) {
     map->set_has_named_interceptor();
   }
   if (!obj->indexed_property_handler()->IsUndefined()) {
     map->set_has_indexed_interceptor();
   }
 
@@ skipping 90 matching lines @@
     Execution::ConfigureInstance(instance,
                                  instance_template,
                                  pending_exception);
   } else {
     *pending_exception = false;
   }
 }
 
 
 } }  // namespace v8::internal