T654170.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * 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     5066774
 * @summary Bad interaction between generics, instanceof, inner classes, and subclasses
 * @author  RGibson
 * @compile -Werror T654170.java
 */

// http://forum.java.sun.com/thread.jspa?forumID=316&threadID=654170

import java.util.*;

public class T654170 {
    public static void main(String[] args) {
        Base<?> b = new Sub ();
        if (b instanceof Sub) {
        }
    }
}

class Base<T extends List> {}

class Sub extends Base<ArrayList> {}