anchor.diff:    final List<_Subscription<ConstructorFieldInitializer>>
         _forConstructorFieldInitializer = [];
     final List<_Subscription<ConstructorName>> _forConstructorName = [];
  +  final List<_Subscription<ConstructorReference>> _forConstructorReference = [];
     final List<_Subscription<ContinueStatement>> _forContinueStatement = [];
     final List<_Subscription<DeclaredIdentifier>> _forDeclaredIdentifier = [];
     final List<_Subscription<DefaultFormalParameter>> _forDefaultFormalParameter =
  
positive.code:   void visitConstructorName(ConstructorName node) {
      _runSubscriptions(node, registry._forConstructorName);
      super.visitConstructorName(node);
    }
  
    @override
  
negative.code:     _forConstructorName.add(_Subscription(linter, visitor, _getTimer(linter)));
    }
  
    void addConstructorReference(LintRule linter, AstVisitor visitor) {
      _forConstructorReference
          .add(_Subscription(linter, visitor, _getTimer(linter)));
    }
  
    void addContinueStatement(LintRule linter, AstVisitor visitor) {
      _forContinueStatement
          .add(_Subscription(linter, visitor, _getTimer(linter)));
  