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