Generate specialized constructor code for constructing simple objects

src/stub-cache.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 543 matching lines @@
  private:
   const ParameterCount arguments_;
   const InLoopFlag in_loop_;
 
   const ParameterCount& arguments() { return arguments_; }
 
   Object* GetCode(PropertyType type, String* name);
 };
 
 
+class ConstructStubCompiler: public StubCompiler {
+ public:
+  explicit ConstructStubCompiler() {}
+
+  Object* CompileConstructStub(SharedFunctionInfo* shared);
+
+ private:
+  Object* GetCode();
+};
+
+
 } }  // namespace v8::internal
 
 #endif  // V8_STUB_CACHE_H_