anchor.diff:    }
   
     visitFieldGet(HFieldGet node) {
  -    String name = JsNames.getValid(node.element.name.slowToString());
       if (node.receiver !== null) {
  +      String name =
  +          compiler.namer.instanceFieldName(currentLibrary, node.element.name);
         beginExpression(JSPrecedence.MEMBER_PRECEDENCE);
         use(node.receiver, JSPrecedence.MEMBER_PRECEDENCE);
         buffer.add('.');
         buffer.add(name);
         beginExpression(JSPrecedence.MEMBER_PRECEDENCE);
       } else {
  -      buffer.add(name);
  +      buffer.add(JsNames.getValid(node.element.name.slowToString()));
       }
     }
   
  
positive.code:     // If we are generating an expression, those variable declarations
      // must be delayed until later.
      bool delayDeclaration = false;
      String name = JsNames.getValid(node.element.name.slowToString());
      if (node.receiver !== null) {
        beginExpression(JSPrecedence.ASSIGNMENT_PRECEDENCE);
        use(node.receiver, JSPrecedence.MEMBER_PRECEDENCE);
        buffer.add('.');
  
negative.code:     } else {
        // TODO(ngeoffray): Remove the 'var' once we don't globally box
        // variables used in a try/catch.
        name = JsNames.getValid(node.element.name.slowToString());
        declareVariable(name);
      }
      if (delayDeclaration) delayedVarDecl = delayedVarDecl.prepend(name);
  