Mercurial > hg > truffle
comparison test/compiler/6866651/Test.java @ 927:662f330d7275
6866651: Regression: simple int sum crashes jvm (build 1.6.0_14-b08 and 1.7.0-ea-b59)
Summary: delay dead code elimination in set_req_X to make it safe
Reviewed-by: kvn, never
author | cfang |
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date | Mon, 17 Aug 2009 12:11:06 -0700 |
parents | |
children | c18cbe5936b8 |
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926:c8e2135f7e30 | 927:662f330d7275 |
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1 /* | |
2 * Copyright 2009 Sun Microsystems, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 */ | |
23 | |
24 /** | |
25 * @test | |
26 * @bug 6866651 | |
27 * @summary delay dead node elimination in set_req_X to prevent killing the current node when it is in use | |
28 * | |
29 * @run main Test | |
30 */ | |
31 | |
32 public class Test { | |
33 | |
34 static int sum() { | |
35 int s = 0; | |
36 for (int x = 1, y = 0; x != 0; x++, y--) { | |
37 s ^= y; | |
38 } | |
39 return s; | |
40 } | |
41 | |
42 public static void main(final String[] args) { | |
43 for (int k = 0; k < 2; k++) { | |
44 System.err.println(String.valueOf(sum())); | |
45 } | |
46 } | |
47 } |