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comparison test/compiler/6775880/Test.java @ 460:424f9bfe6b96

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6775880: EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now") Summary: Create new "eliminated" BoxLock node for monitor debug info when corresponding locks are eliminated. Reviewed-by: never
author kvn
date Wed, 03 Dec 2008 13:41:37 -0800
parents
children 323728917cf4
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459:3a86a8dcf27c 460:424f9bfe6b96
1 /*
2 * Copyright 2008 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 6775880
28 * @summary EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now")
29 * @compile -source 1.4 -target 1.4 Test.java
30 * @run main/othervm -server -Xbatch -XX:+DoEscapeAnalysis -XX:+DeoptimizeALot -XX:CompileCommand=exclude,java.lang.AbstractStringBuilder::append Test
31 */
32
33 public class Test {
34
35 int cnt;
36 int b[];
37 String s;
38
39 String test() {
40 String res="";
41 for (int i=0; i < cnt; i++) {
42 if (i != 0) {
43 res = res +".";
44 }
45 res = res + b[i];
46 }
47 return res;
48 }
49
50 public static void main(String[] args) {
51 Test t = new Test();
52 t.cnt = 3;
53 t.b = new int[3];
54 t.b[0] = 0;
55 t.b[1] = 1;
56 t.b[2] = 2;
57 int j=0;
58 t.s = "";
59 for (int i=0; i<10001; i++) {
60 t.s = "c";
61 t.s = t.test();
62 }
63 System.out.println("After s=" + t.s);
64 }
65 }
66
67