This change allows generating call-stubs for objects with normal (non-fast) o...

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 1728 matching lines @@
           return;
         }
         value = JSGlobalPropertyCell::cast(value)->value();
       }
       // Make sure to disallow caching for uninitialized constants
       // found in the dictionary-mode objects.
       if (value->IsTheHole()) result->DisallowCaching();
       result->DictionaryResult(this, entry);
       return;
     }
-    // Slow case object skipped during lookup. Do not use inline caching.
-    if (!IsGlobalObject()) result->DisallowCaching();
   }
   result->NotFound();
 }
 
 
 void JSObject::LookupRealNamedProperty(String* name, LookupResult* result) {
   LocalLookupRealNamedProperty(name, result);
   if (result->IsProperty()) return;
 
   LookupRealNamedPropertyInPrototypes(name, result);
@@ skipping 6977 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