anchor.diff:              info.updates !== null && isJSExpression(info.updates)) {
             // If we have an updates graph, and it's expressible as an
             // expression, generate a for-loop.
  -          addIndentation();
  -          buffer.add("for (");
  +          addIndented("for (");
             if (initialization !== null) {
               if (initializationType != TYPE_DECLARATION) {
                 visitExpressionGraph(initialization);
  
positive.code:           }
            indent--;
          }
          addIndentation();
          buffer.add("}\n");
          break;
        }
        case HLoopInformation.DO_WHILE_LOOP: {
  
negative.code:       startBailoutSwitch();
        if (loopInformation.target !== null) {
          breakAction[loopInformation.target] = (TargetElement target) {
            addIndented("break $newLabel;\n");
          };
        }
      }
  