Improve performance of allocating closures for nested...

bleeding_edge/src/factory.h

 // 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 201 matching lines @@
       Handle<FixedArray> elements,
       PretenureFlag pretenure = NOT_TENURED);
 
   static Handle<JSFunction> NewFunction(Handle<String> name,
                                         Handle<Object> prototype);
 
   static Handle<JSFunction> NewFunction(Handle<Object> super, bool is_global);
 
   static Handle<JSFunction> NewFunctionFromBoilerplate(
       Handle<JSFunction> boilerplate,
-      Handle<Context> context);
+      Handle<Context> context,
+      PretenureFlag pretenure = TENURED);
 
   static Handle<Code> NewCode(const CodeDesc& desc,
                               ZoneScopeInfo* sinfo,
                               Code::Flags flags,
                               Handle<Object> self_reference);
 
   static Handle<Code> CopyCode(Handle<Code> code);
 
   static Handle<Object> ToObject(Handle<Object> object,
                                  Handle<Context> global_context);
@@ skipping 134 matching lines @@
  private:
   static Handle<JSFunction> NewFunctionHelper(Handle<String> name,
                                               Handle<Object> prototype);
 
   static Handle<DescriptorArray> CopyAppendCallbackDescriptors(
       Handle<DescriptorArray> array,
       Handle<Object> descriptors);
 
   static Handle<JSFunction> BaseNewFunctionFromBoilerplate(
       Handle<JSFunction> boilerplate,
-      Handle<Map> function_map);
+      Handle<Map> function_map,
+      PretenureFlag pretenure);
 
   // Create a new map cache.
   static Handle<MapCache> NewMapCache(int at_least_space_for);
 
   // Update the map cache in the global context with (keys, map)
   static Handle<MapCache> AddToMapCache(Handle<Context> context,
                                         Handle<FixedArray> keys,
                                         Handle<Map> map);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_