/*

 * 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.

 *

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 */

/*

 * @test

 * @bug     6650759

 * @author  mcimadamore

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

 * @compile T6650759b.java

 */

public class T6650759b {

    interface A<X extends A<X, Y>, Y extends B<X>> {}

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

    interface C<X extends A<X, Y>, Y extends B<X>> {}

    interface D<X extends A<X, Y>, Y extends B<X>> {}

    static class E<X extends A<X, Y>, Y extends B<X>, W extends C<X, Y>> implements D<X, Y> {

        static <X extends A<X, Y>, Y extends B<X>, W extends C<X, Y>> D<X, Y> of(W w) {

            return null;

        }

    }

    <X extends A<X, Y>, Y extends B<X>, W extends C<X, Y>, Z extends D<X, Y>> Z test(W w) {

        return (Z) E.of(w);

    }

}