anchor.diff:      _kernelBinaryFilename = _kernelBinaryFilenameFull;
       _initializeFromDill =
           _options['initialize-from-dill'] ?? _kernelBinaryFilenameFull;
  +    _assumeInitializeFromDillUpToDate =
  +        _options['assume-initialize-from-dill-up-to-date'] ?? false;
       _printIncrementalDependencies = _options['print-incremental-dependencies'];
       final String boundaryKey = Uuid().generateV4();
       _outputStream.writeln('result $boundaryKey');
  
positive.code:   }
  
    Future<Null> invalidateIfInitializingFromDill() async {
      if (_kernelBinaryFilename != _kernelBinaryFilenameFull) return null;
      // If the generator is initialized, it's not going to initialize from dill
      // again anyway, so there's no reason to spend time invalidating what should
  
negative.code:   String _kernelBinaryFilenameIncremental;
    String _kernelBinaryFilenameFull;
    String _initializeFromDill;
    bool _assumeInitializeFromDillUpToDate;
  
    Set<Uri> previouslyReportedDependencies = Set<Uri>();
  
  