1 /*
2  * Copyright (c) 2018, Red Hat, Inc. 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 8197563
27  * @summary assert(is_Loop()) crash in PhaseIdealLoop::try_move_store_before_loop()
28  *
29  * @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=StoreMovedBeforeInfiniteLoop::test  StoreMovedBeforeInfiniteLoop
30  *
31  */
32 
33 public class StoreMovedBeforeInfiniteLoop {
main(String[] args)34     public static void main(String[] args) {
35         field = -1;
36         test(new Object());
37     }
38 
39     static int field;
40 
constant()41     static int constant() {
42         return 65;
43     }
44 
test(Object o)45     private static int test(Object o) {
46         do {
47             if (field <= 0) {
48                 return -109;
49             }
50             do {
51                 field = 4;
52             } while (constant() >= 0);
53         } while (o == null);
54         return -109;
55     }
56 }
57