CallICStub with a "never patch" approach until customization.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 0cc8d16aab3210ddc42236c5486d85248d9f7943..3c05ada9cb29bfd769780a741e0c71156797daab 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -3921,7 +3921,7 @@ void LCodeGen::DoCallNew(LCallNew* instr) {
   __ Set(rax, instr->arity());
   // No cell in ebx for construct type feedback in optimized code
   __ LoadRoot(rbx, Heap::kUndefinedValueRootIndex);
-  CallConstructStub stub(NO_CALL_FUNCTION_FLAGS);
+  CallConstructStub stub(NO_CALL_CONSTRUCTOR_FLAGS);
   CallCode(stub.GetCode(isolate()), RelocInfo::CONSTRUCT_CALL, instr);
 }