anchor.diff:      analysisOptions =
           createAnalysisOptionsForCommandLineOptions(options, rootPath);
   
  -    if (consumeSummary2) {
  -      AnalysisDriver.useSummary2 = true;
  -    }
  -
       AnalysisDriverScheduler scheduler = new AnalysisDriverScheduler(logger);
       analysisDriver = new AnalysisDriver(
           scheduler,
  
positive.code:    */
    Future<void> _printErrors({String outputPath}) async {
      await logger.runAsync('Compute and print analysis errors', () async {
        StringBuffer buffer = new StringBuffer();
        var severityProcessor = (AnalysisError error) =>
            determineProcessedSeverity(error, options, analysisOptions);
  
negative.code:       } else {
          new io.File(outputPath).writeAsStringSync(buffer.toString());
        }
  
        AnalysisDriver.useSummary2 = wasUseSummary2;
      });
    }
  }
  