/*

 * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

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 */

/*

 * @test

 * @bug     6650759

 * @summary Inference of formal type parameter (unused in formal parameters) is not performed

 * @compile T6650759i.java

 */

public class T6650759i {

    static class A<X extends A, Y extends B> {}

    static class B<X extends B> {}

    static class C<X extends A<X, Y>, Y extends B<Y>> {}

    static <U extends A<U, V>, V extends B<V>> Class<U> m1(U x) {

        return null;

    }

    static <U extends A<U, V>, V extends B<V>> U m2(Class<U> c) {

        return null;

    }

    static <W, U extends A<U, V>, V extends B<V>> W m3(Class<W> c1, C<U, V> c2) {

        return null;

    }

    static <U extends A<U, V>, V extends B<V>> void test(U u, C<U, V> c) {

        m2(m1(u));

        U res = m3(m1(u), c);

    }

}