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8268362: [REDO] C2 crash when compile negative Arrays.copyOf length after loop

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Reviewed-by: kvn, roland
This commit is contained in:
Hui Shi 2021-06-21 11:59:00 +00:00
parent f8df953e61
commit 22ebd1926d
7 changed files with 227 additions and 16 deletions
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60
test/hotspot/jtreg/compiler/arraycopy/TestNegativeArrayCopyAfterLoop.java Normal file
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/*
* Copyright (C) 2021 THL A29 Limited, a Tencent company. 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 8267904
* @requires vm.compiler2.enabled
* @summary C2 inline array_copy move CastIINode(Array Length) before allocation cause crash.
* @run main/othervm compiler.arraycopy.TestNegativeArrayCopyAfterLoop
*/
package compiler.arraycopy;
import java.util.Arrays;
class test {
public static int exp_count = 0;
public int in1 = -4096;
test (){
try {
short sha4[] = new short[1012];
for (int i = 0; i < sha4.length; i++) {
sha4[i] = 9;
}
Arrays.copyOf(sha4, in1);
} catch (Exception ex) {
exp_count++;
}
}
}
public class TestNegativeArrayCopyAfterLoop {
public static void main(String[] args) {
for (int i = 0; i < 20000; i++) {
new test();
}
if (test.exp_count == 20000) {
System.out.println("TEST PASSED");
}
}
}