blob: 61acaebe6bf371177158696fe1bc03f79e790071 [file] [log] [blame]
// @dart = 2.9
class _X<T> {
const factory _X() = _Y<T>;
}
class _Y<T> implements _X<T> {
const _Y();
}
class A<T> {
_X<T> x;
A(this.x);
}
class B<T> extends A<T> {
B() : super(const _X());
}
main() {}