Remove the optimized construct stub.

src/stub-cache.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 2011 matching lines @@
 
 Handle<Code> CallStubCompiler::GetCode(Handle<JSFunction> function) {
   Handle<String> function_name;
   if (function->shared()->name()->IsString()) {
     function_name = Handle<String>(String::cast(function->shared()->name()));
   }
   return GetCode(Code::CONSTANT_FUNCTION, function_name);
 }
 
 
-Handle<Code> ConstructStubCompiler::GetCode() {
-  Code::Flags flags = Code::ComputeFlags(Code::STUB);
-  Handle<Code> code = GetCodeWithFlags(flags, "ConstructStub");
-  PROFILE(isolate(), CodeCreateEvent(Logger::STUB_TAG, *code, "ConstructStub"));
-  GDBJIT(AddCode(GDBJITInterface::STUB, "ConstructStub", *code));
-  return code;
-}
-
-
 CallOptimization::CallOptimization(LookupResult* lookup) {
   if (lookup->IsFound() &&
       lookup->IsCacheable() &&
       lookup->type() == CONSTANT_FUNCTION) {
     // We only optimize constant function calls.
     Initialize(Handle<JSFunction>(lookup->GetConstantFunction()));
   } else {
     Initialize(Handle<JSFunction>::null());
   }
 }
@@ skipping 53 matching lines @@
           Handle<FunctionTemplateInfo>(
               FunctionTemplateInfo::cast(signature->receiver()));
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal