// @target: es2015
// instantiating a derived type can cause an infinitely expanding type reference to be generated

interface List<T> {
    data: T;
    next: List<T>;
    owner: OwnerList<T>;
}

// will have an owner property that is an infinitely expanding type reference
interface OwnerList<U> extends List<List<U>> {
    name: string;
}

declare var list: List<string>;
declare var ownerList: OwnerList<string>;
list = ownerList; 

function other<T>(x: T) {
    var list: List<T>;
    var ownerList!: OwnerList<T>;
    list = ownerList; 

}
