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comparison test/compiler/6833129/Test.java @ 900:9987d9d5eb0e

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6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot Summary: developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens Reviewed-by: kvn, never, jrose, twisti
author cfang
date Fri, 31 Jul 2009 17:12:33 -0700
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children d6b9fd78f389
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899:55cb84cd1247 900:9987d9d5eb0e
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 6833129
27 * @summary Object.clone() and Arrays.copyOf ignore coping with -XX:+DeoptimizeALot
28 * @run main/othervm -Xbatch -XX:+DeoptimizeALot Test
29 */
30
31 public class Test{
32 public static void init(int src[]) {
33 for (int i =0; i<src.length; i++) {
34 src[i] = i;
35 }
36 }
37
38 public static void clone_and_verify(int src[]) {
39 for (int i = 0; i < src.length; i++) {
40 int [] src_clone = src.clone();
41 if (src[i] != src_clone[i]) {
42 System.out.println("Error: allocated but not copied: ");
43 for( int j =0; j < src_clone.length; j++)
44 System.out.print(" " + src_clone[j]);
45 System.out.println();
46 System.exit(97);
47 }
48 }
49 }
50
51 public static void test() {
52 int[] src = new int[34];
53 init(src);
54 clone_and_verify(src);
55 }
56
57 public static void main(String[] args) {
58 for (int i=0; i< 20000; i++) {
59 test();
60 }
61 }
62 }