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/*
* Copyright (c) 2018, 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 8201368
* @summary IfNode::fold_compares() may lead to incorrect execution
*
* @run main/othervm -XX:-TieredCompilation -XX:-UseOnStackReplacement -XX:-BackgroundCompilation FoldedIfNonDomMidIf
*
*/
public class FoldedIfNonDomMidIf {
public static void main(String[] args) {
for (int i = 0; i < 20_000; i++) {
test_helper(0, 0);
test_helper(20, 0);
test(12);
}
if (test(14) != null) {
throw new RuntimeException("Incorrect code execution");
}
}
private static Object test(int i) {
return test_helper(i, 0x42);
}
static class A {
}
static final MyException myex = new MyException();
private static Object test_helper(int i, int j) {
Object res = null;
try {
if (i < 10) {
throw myex;
}
if (i == 14) {
}
if (i > 15) {
throw myex;
}
} catch (MyException e) {
if (j == 0x42) {
res = new A();
}
}
return res;
}
private static class MyException extends Exception {
}
}
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