A little code refactoring on FastCloneShallowArrayStub

src/code-stubs-hydrogen.cc

 // Copyright 2012 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 230 matching lines @@
                                                alloc_site_mode,
                                                elements_kind,
                                                length));
   }
 
   return environment()->Pop();
 }
 
 
 Handle<Code> FastCloneShallowArrayStub::GenerateCode() {
-  CodeStubGraphBuilder<FastCloneShallowArrayStub> builder(this);
-  LChunk* chunk = OptimizeGraph(builder.CreateGraph());
-  return chunk->Codegen(Code::COMPILED_STUB);
+  return DoGenerateCode(this);
 }
 
 
 template <>
 HValue* CodeStubGraphBuilder<FastCloneShallowObjectStub>::BuildCodeStub() {
   Zone* zone = this->zone();
   Factory* factory = isolate()->factory();
 
   HInstruction* boilerplate =
       AddInstruction(new(zone) HLoadKeyed(GetParameter(0),
@@ skipping 170 matching lines @@
   current_block()->MarkAsDeoptimizing();
   return GetParameter(0);
 }
 
 
 Handle<Code> ArrayNArgumentsConstructorStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 } }  // namespace v8::internal