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/*
* Copyright (c) 2022, Alibaba Group Holding Limited. 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
* @key stress randomness
* @bug 8288204
* @summary GVN Crash: assert() failed: correct memory chain
*
* @run main/othervm -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+StressIGVN -XX:CompileCommand=compileonly,compiler.c2.TestGVNCrash::test compiler.c2.TestGVNCrash
*/
package compiler.c2;
public class TestGVNCrash {
public static int iField = 0;
public static double[] dArrFld = new double[256];
public static int[] iArrFld = new int[256];
public int[][] iArrFld1 = new int[256][256];
public void test() {
int x = 0;
for (int i = 0; i < 10; i++) {
do {
for (float j = 0; j < 0; j++) {
iArrFld[x] = 3;
iArrFld1[1][x] -= iField;
dArrFld = new double[256];
for (int k = 0; k < dArrFld.length; k++) {
dArrFld[k] = (k % 2 == 0) ? k + 1 : k - 1;
}
}
} while (++x < 5);
for (int j = 0; j < 100_000; j++) {
String s = "test";
s = s + s;
s = s + s;
}
}
}
public static void main(String[] args) {
TestGVNCrash t = new TestGVNCrash();
t.test();
}
}
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