/*

 * Copyright (c) 2008, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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

 * questions.

 */

/*

 * @test

 * @bug 6695810

 * @summary null oop passed to encode_heap_oop_not_null

 * @run main/othervm -Xbatch Test

 */

public class Test {

    Test _t;

    static void test(Test t1, Test t2) {

        if (t2 != null)

            t1._t = t2;

        if (t2 != null)

            t1._t = t2;

    }

    public static void main(String[] args) {

        Test t = new Test();

        for (int i = 0; i < 50; i++) {

            for (int j = 0; j < 100; j++) {

                test(t, t);

            }

            test(t, null);

        }

        for (int i = 0; i < 10000; i++) {

            test(t, t);

        }

        test(t, null);

    }

}