CallICStub with a "never patch" approach until customization.

src/x64/lithium-codegen-x64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "x64/lithium-codegen-x64.h"
 #include "code-stubs.h"
@@ skipping 3880 matching lines @@
 
 
 void LCodeGen::DoCallNew(LCallNew* instr) {
   ASSERT(ToRegister(instr->context()).is(rsi));
   ASSERT(ToRegister(instr->constructor()).is(rdi));
   ASSERT(ToRegister(instr->result()).is(rax));
 
   __ Set(rax, instr->arity());
   // No cell in ebx for construct type feedback in optimized code
   __ LoadRoot(rbx, Heap::kUndefinedValueRootIndex);
-  CallConstructStub stub(isolate(), NO_CALL_FUNCTION_FLAGS);
+  CallConstructStub stub(isolate(), NO_CALL_CONSTRUCTOR_FLAGS);
   CallCode(stub.GetCode(), RelocInfo::CONSTRUCT_CALL, instr);
 }
 
 
 void LCodeGen::DoCallNewArray(LCallNewArray* instr) {
   ASSERT(ToRegister(instr->context()).is(rsi));
   ASSERT(ToRegister(instr->constructor()).is(rdi));
   ASSERT(ToRegister(instr->result()).is(rax));
 
   __ Set(rax, instr->arity());
@@ skipping 1792 matching lines @@
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64