/*

 * @test /nodynamiccopyright/

 * @bug 4736963

 * @summary Negative regression test from odersky

 * @author odersky

 *

 * @compile BadTest4.java

 */

class BadTest4 {

    interface I {}

    interface J {}

    static class C implements I, J {}

    static class D implements I, J {}

    interface Ord {}

    static class Main {

        static C c = new C();

        static D d = new D();

        static <B> List<B> nil() { return new List<B>(); }

        static <A, B extends A> A f(A x, B y) { return x; }

        static <A, B extends A> B g(List<A> x, List<B> y) { return y.head; }

        static <A> List<A> cons(A x, List<A> xs) { return xs.prepend(x); }

        static <A> Cell<A> makeCell(A x) { return new Cell<A>(x); }

        static <A> A id(A x) { return x; }

        static Integer i = Integer.valueOf(1);

        static Number n = i;

        public static void main(String[] args) {

            Number x = f(n, i);

            x = f(i, n);

            f(cons("abc", nil()), nil());

            f(nil(), cons("abc", nil()));

        }

    }

}