Test6775880.java revision 11707:ad7af1afda7a 
1/*
2 * Copyright (c) 2008, 2014, 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/*
26 * @test
27 * @bug 6775880
28 * @summary EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now")
29 *
30 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xbatch -XX:+DoEscapeAnalysis -XX:+DeoptimizeALot
31 *    -XX:CompileCommand=exclude,java.lang.AbstractStringBuilder::append
32 *    compiler.escapeAnalysis.Test6775880
33 */
34
35package compiler.escapeAnalysis;
36
37public class Test6775880 {
38
39    int cnt;
40    int b[];
41    String s;
42
43    String test() {
44        String res = "";
45        for (int i = 0; i < cnt; i++) {
46            if (i != 0) {
47                res = res + ".";
48            }
49            res = res + b[i];
50        }
51        return res;
52    }
53
54    public static void main(String[] args) {
55        Test6775880 t = new Test6775880();
56        t.cnt = 3;
57        t.b = new int[3];
58        t.b[0] = 0;
59        t.b[1] = 1;
60        t.b[2] = 2;
61        int j = 0;
62        t.s = "";
63        for (int i = 0; i < 10001; i++) {
64            t.s = "c";
65            t.s = t.test();
66        }
67        System.out.println("After s=" + t.s);
68    }
69}
70
71
72