[es6] Perform the IsConstructor test in GetSuperConstructor.

src/compiler/ast-graph-builder.cc

 // Copyright 2014 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 "src/compiler/ast-graph-builder.h"
 
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/compilation-info.h"
 #include "src/compiler.h"
@@ skipping 2454 matching lines @@
 }
 
 
 void AstGraphBuilder::VisitCallSuper(Call* expr) {
   SuperCallReference* super = expr->expression()->AsSuperCallReference();
   DCHECK_NOT_NULL(super);
 
   // Prepare the callee to the super call.
   VisitForValue(super->this_function_var());
   Node* this_function = environment()->Pop();
-  const Operator* op =
-      javascript()->CallRuntime(Runtime::kInlineGetSuperConstructor, 1);
-  Node* super_function = NewNode(op, this_function);
+  Node* super_function =
+      NewNode(javascript()->GetSuperConstructor(), this_function);
   environment()->Push(super_function);
 
   // Evaluate all arguments to the super call.
   ZoneList<Expression*>* args = expr->arguments();
   VisitForValues(args);
 
   // The new target is loaded from the {new.target} variable.
   VisitForValue(super->new_target_var());
 
   // Create node to perform the super call.
@@ skipping 1867 matching lines @@
     // Phi does not exist yet, introduce one.
     value = NewPhi(inputs, value, control);
     value->ReplaceInput(inputs - 1, other);
   }
   return value;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8