1/*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 8073866
27 * @summary Fix for 8064703 may also cause stores between the allocation and arraycopy to be rexecuted after a deoptimization
28 *
29 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
30 *                   compiler.arraycopy.TestArrayCopyBadReexec
31 */
32
33package compiler.arraycopy;
34
35public class TestArrayCopyBadReexec {
36
37    static int val;
38
39    static int[] m1(int[] src, int l) {
40        if (src == null) {
41            return null;
42        }
43        int[] dest = new int[10];
44        val++;
45        try {
46            System.arraycopy(src, 0, dest, 0, l);
47        } catch (IndexOutOfBoundsException npe) {
48        }
49        return dest;
50    }
51
52    static public void main(String[] args) {
53        int[] src = new int[10];
54        int[] res = null;
55        boolean success = true;
56
57        for (int i = 0; i < 20000; i++) {
58            m1(src, 10);
59        }
60
61        int val_before = val;
62
63        m1(src, -1);
64
65        if (val - val_before != 1) {
66            System.out.println("Bad increment: " + (val - val_before));
67            throw new RuntimeException("Test failed");
68        }
69    }
70}
71