First cut at bug 992

src/objects.cc

 // Copyright 2010 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 2266 matching lines @@
 }
 
 
 MaybeObject* JSObject::NormalizeProperties(PropertyNormalizationMode mode,
                                            int expected_additional_properties) {
   if (!HasFastProperties()) return this;
 
   // The global object is always normalized.
   ASSERT(!IsGlobalObject());
 
+  // JSGlobalProxy must never be normalized
+  ASSERT(!IsJSGlobalProxy());
+
   // Allocate new content.
   int property_count = map()->NumberOfDescribedProperties();
   if (expected_additional_properties > 0) {
     property_count += expected_additional_properties;
   } else {
     property_count += 2;  // Make space for two more properties.
   }
   Object* obj;
   { MaybeObject* maybe_obj =
         StringDictionary::Allocate(property_count);
@@ skipping 7570 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