/*

 * 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

 * @author mcimadamore

 * @bug     6467183

 * @summary

 * @compile/fail/ref=T6467183a.out -Xlint:unchecked -Werror -XDrawDiagnostics T6467183a.java

 */

class T6467183a<T> {

    class A<S> {}

    class B extends A<Integer> {}

    class C<X> extends A<X> {}

    void cast1(B b) {

        Object o = (A<T>)b;

    }

    void cast2(B b) {

        Object o = (A<? extends Number>)b;

    }

    void cast3(A<Integer> a) {

        Object o = (C<? extends Number>)a;

    }

    void cast4(A<Integer> a) {

        Object o = (C<? extends Integer>)a;

    }

}