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comparison test/compiler/6799693/Test.java @ 565:7fe62bb75bf4

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6799693: Server compiler leads to data corruption when expression throws an Exception Summary: Use merged memory state for an allocation's slow path. Reviewed-by: never
author kvn
date Thu, 05 Feb 2009 14:43:58 -0800
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children c18cbe5936b8
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564:323728917cf4 565:7fe62bb75bf4
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 /*
26 * @test
27 * @bug 6799693
28 * @summary Server compiler leads to data corruption when expression throws an Exception
29 * @run main/othervm -Xcomp -XX:CompileOnly=Test Test
30 */
31
32 public class Test {
33 static int var_bad = 1;
34
35 public static void main(String[] args)
36 {
37 var_bad++;
38
39 try {
40 for (int i = 0; i < 10; i++) (new byte[((byte)-1 << i)])[0] = 0;
41 }
42 catch (Exception e) { System.out.println("Got " + e); }
43
44 System.out.println("Test.var_bad = " + var_bad + " (expected 2)\n");
45 }
46 }
47