1 /*

     2  * Copyright (c) 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

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    23 

    24 /*

    25  * @test

    26  * @bug     6569057 6932571

    27  * @summary Generics regression on cast

    28  * @compile T6569057.java

    29  */

    30 

    31 class T6569057 {

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

    33 

    34     static class B<X extends A<?>> {

    35         D<? extends B<X>> get() { return null; }

    36     }

    37 

    38     static class D<Y extends B<?>> {}

    39 

    40     <E extends B<?>> void test(E x, D<B<A<?>>> d) {

    41         boolean b = x.get() == d;

    42     }

    43 }