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
|
/*
* Copyright (c) 2022, Red Hat, Inc. 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 8279219
* @summary C2 crash when allocating array of size too large
* @requires vm.compiler2.enabled
* @library /test/lib /
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run main/othervm -ea -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-BackgroundCompilation TestFailedAllocationBadGraph
*/
import jdk.test.whitebox.WhiteBox;
import java.lang.reflect.Method;
import compiler.whitebox.CompilerWhiteBoxTest;
public class TestFailedAllocationBadGraph {
private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
private static long[] array;
private static int field;
private static volatile int barrier;
public static void main(String[] args) throws Exception {
run("test1");
run("test2");
}
private static void run(String method) throws Exception {
Method m = TestFailedAllocationBadGraph.class.getDeclaredMethod(method);
WHITE_BOX.enqueueMethodForCompilation(m, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);
if (!WHITE_BOX.isMethodCompiled(m) || WHITE_BOX.getMethodCompilationLevel(m) != CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION) {
throw new RuntimeException("should still be compiled");
}
}
private static int test1() {
int length = Integer.MAX_VALUE;
try {
array = new long[length];
} catch (OutOfMemoryError outOfMemoryError) {
barrier = 0x42;
length = field;
}
return length;
}
private static int test2() {
int length = -1;
try {
array = new long[length];
} catch (OutOfMemoryError outOfMemoryError) {
barrier = 0x42;
length = field;
}
return length;
}
}
|
