Remove named load from builtin in default super call.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1314493006

Cr-Commit-Position: refs/heads/master@{#30389}

src/parser.cc

@@ -6060,7 +6060,7 @@ Expression* Parser::SpreadCall(Expression* function,
                                int pos) {
   if (function->IsSuperCallReference()) {
     // Super calls
-    // %ReflectConstruct(%GetPrototype(<this-function>), args, new.target))
+    // %reflect_construct(%GetPrototype(<this-function>), args, new.target))
     ZoneList<Expression*>* tmp = new (zone()) ZoneList<Expression*>(1, zone());
     tmp->Add(function->AsSuperCallReference()->this_function_var(), zone());
     Expression* get_prototype =

src/runtime/runtime-classes.cc

@@ -551,14 +551,8 @@ RUNTIME_FUNCTION(Runtime_DefaultConstructorCallSuper) {
   Handle<JSArray> arguments = isolate->factory()->NewJSArrayWithElements(
       elements, FAST_ELEMENTS, argument_count);
 
-  // Call $reflectConstruct(<super>, <args>, <new.target>) now.
-  Handle<Object> reflect;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, reflect,
-      Object::GetProperty(isolate,
-                          handle(isolate->native_context()->builtins()),
-                          "$reflectConstruct"));
-  RUNTIME_ASSERT(reflect->IsJSFunction());  // Depends on --harmony-reflect.
+  // Call %reflect_construct(<super>, <args>, <new.target>) now.
+  Handle<JSFunction> reflect = isolate->reflect_construct();
   Handle<Object> argv[] = {super_constructor, arguments, original_constructor};
   Handle<Object> result;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(