1 /*

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

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

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

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug     6650759

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

    28  * @compile T6650759j.java

    29  */

    30 

    31 public class T6650759j {

    32 

    33     static abstract class A<X extends A<X>> {}

    34 

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

    36 

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

    38 

    39     interface D {}

    40 

    41     static class E extends C<E, D> {}

    42 

    43     static abstract class F<X extends F<X, Y>, Y extends A<Y>> extends A<X> {}

    44 

    45     static class G extends F<G, E> {}

    46 

    47     static <X extends F<X, Y>, Y extends A<Y>> X m(Iterable<X> it) {

    48         return null;

    49     }

    50 

    51     static G test(Iterable<G> c) {

    52         return m(c);

    53     }

    54 }