| /* |
| * Copyright (c) 2021, 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 8267399 |
| * @summary C2: java/text/Normalizer/ConformanceTest.java test failed with assertion |
| * |
| * @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation TestDeadCountedLoop |
| * |
| */ |
| |
| public class TestDeadCountedLoop { |
| public static void main(String[] args) { |
| for (int i = 0; i < 20_000; i++) { |
| test(true, new int[10], false, 0, 1); |
| test(false, new int[10], false, 0, 1); |
| } |
| } |
| |
| private static int test(boolean flag, int[] array2, boolean flag2, int start, int stop) { |
| if (array2 == null) { |
| } |
| int[] array; |
| if (flag) { |
| array = new int[1]; |
| } else { |
| array = new int[2]; |
| } |
| int len = array.length; |
| int v = 1; |
| for (int j = start; j < stop; j++) { |
| for (int i = 0; i < len; i++) { |
| if (i > 0) { |
| if (flag2) { |
| break; |
| } |
| v *= array2[i + j]; |
| } |
| } |
| } |
| |
| return v; |
| } |
| } |
