1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* Copyright (c) 2020, Huawei Technologies Co. Ltd. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @bug 8244407
* @summary JVM crashes after transformation in C2 IdealLoopTree::split_fall_in
*
* @run main/othervm -Xcomp -XX:-BackgroundCompilation
* -XX:CompileCommand=compileonly,compiler.loopopts.TestBeautifyLoops_2::testMethod
* compiler.loopopts.TestBeautifyLoops_2
*/
package compiler.loopopts;
public class TestBeautifyLoops_2 {
private class X {
public int x() {
return -1;
}
}
private int mI = 0;
private float mF = 0;
private boolean mZ = false;
private X mX = new X();
private long[] mArray = new long[331];
private void testMethod() {
double d = 0;
for (int i = 0; i < 331; i++) {
if (mZ) {
continue;
}
try {
for (int j = mArray.length - 1; j >= 0; j--) {
for (int k = 0; k < 331; k++) {
d += ((double) new Double(d));
switch (267) {
case 256:
default: {
mF += (mX.x());
break;
}
}
}
}
} catch (Exception ignore) {
}
}
}
public static void main(String[] args) {
TestBeautifyLoops_2 obj = new TestBeautifyLoops_2();
obj.testMethod();
}
}
|
