80 lines
2.2 KiB
Java
80 lines
2.2 KiB
Java
/*
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* Copyright (c) 2018, Red Hat, Inc. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8201368
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* @summary IfNode::fold_compares() may lead to incorrect execution
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*
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* @run main/othervm -XX:-TieredCompilation -XX:-UseOnStackReplacement -XX:-BackgroundCompilation FoldedIfNonDomMidIf
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*
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*/
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public class FoldedIfNonDomMidIf {
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public static void main(String[] args) {
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for (int i = 0; i < 20_000; i++) {
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test_helper(0, 0);
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test_helper(20, 0);
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test(12);
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}
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if (test(14) != null) {
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throw new RuntimeException("Incorrect code execution");
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}
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}
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private static Object test(int i) {
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return test_helper(i, 0x42);
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}
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static class A {
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}
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static final MyException myex = new MyException();
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private static Object test_helper(int i, int j) {
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Object res = null;
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try {
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if (i < 10) {
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throw myex;
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}
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if (i == 14) {
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}
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if (i > 15) {
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throw myex;
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}
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} catch (MyException e) {
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if (j == 0x42) {
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res = new A();
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}
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}
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return res;
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}
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private static class MyException extends Exception {
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}
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}
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