JavaScript Binary expressions not subclass of Call

sdk/lib/_internal/compiler/implementation/js/template.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of js;
 
 class TemplateManager {
   Map<String, Template> expressionTemplates = new Map<String, Template>();
   Map<String, Template> statementTemplates = new Map<String, Template>();
 
@@ skipping 440 matching lines @@
         declarations.add(result);
       }
       return new VariableDeclarationList(declarations);
     };
   }
 
   Instantiator visitSequence(Sequence node) => TODO('visitSequence');
 
   Instantiator visitAssignment(Assignment node) {
     Instantiator makeLeftHandSide = visit(node.leftHandSide);
-    Instantiator makeCompoundTarget = visitNullable(node.compoundTarget);
+    String op = node.op;
     Instantiator makeValue = visitNullable(node.value);
     return (arguments) {
-      return new Assignment._internal(
+      return new Assignment.compound(
           makeLeftHandSide(arguments),
-          makeCompoundTarget(arguments),
+          op,
           makeValue(arguments));
     };
   }
 
   Instantiator visitVariableInitialization(VariableInitialization node) {
     Instantiator makeDeclaration = visit(node.declaration);
     Instantiator makeValue = visitNullable(node.value);
     return (arguments) {
       return new VariableInitialization(
           makeDeclaration(arguments), makeValue(arguments));
@@ skipping 190 matching lines @@
     if (count != before) containsInterpolatedNode.add(node);
     return null;
   }
 
   visitInterpolatedNode(InterpolatedNode node) {
     interpolatedNodes.add(node);
     containsInterpolatedNode.add(node);
     ++count;
   }
 }