/*

 * 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 8200282

 * @summary arraycopy converted as a series of loads/stores uses wrong slice for loads

 *

 * @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,ACasLoadsStoresBadMem::not_inlined  ACasLoadsStoresBadMem

 *

 */

public class ACasLoadsStoresBadMem {

    public static void main(String[] args) {

        int[] dst = new int[5];

        for (int i = 0; i < 20_000; i++) {

            test1(dst, 1);

            for (int j = 1; j < 5; j++) {

                if (dst[j] != j) {

                    throw new RuntimeException("Bad copy ");

                }

            }

        }

    }

    private static void test1(int[] dst, int dstPos) {

        int[] src = new int[4];

        not_inlined();

        src[0] = 1;

        src[1] = 2;

        src[2] = 3;

        src[3] = 4;

        System.arraycopy(src, 0, dst, dstPos, 4);

    }

    private static void not_inlined() {

    }

}