/*

 * Copyright (c) 2018, Red Hat, 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 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 8197563

 * @summary assert(is_Loop()) crash in PhaseIdealLoop::try_move_store_before_loop()

 *

 * @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=StoreMovedBeforeInfiniteLoop::test  StoreMovedBeforeInfiniteLoop

 *

 */

public class StoreMovedBeforeInfiniteLoop {

    public static void main(String[] args) {

        field = -1;

        test(new Object());

    }

    static int field;

    static int constant() {

        return 65;

    }

    private static int test(Object o) {

        do {

            if (field <= 0) {

                return -109;

            }

            do {

                field = 4;

            } while (constant() >= 0);

        } while (o == null);

        return -109;

    }

}