| /* |
| * Copyright (c) 2011, Oracle and/or its affiliates. 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 7024475 |
| * @summary loop doesn't terminate when compiled |
| * |
| * @run main Test7024475 |
| */ |
| |
| public class Test7024475 { |
| |
| static int i; |
| static int x1; |
| static int[] bucket_B; |
| |
| static void test(Test7024475 test, int i, int c0, int j, int c1) { |
| for (;;) { |
| if (c1 > c0) { |
| if (c0 > 253) { |
| throw new InternalError("c0 = " + c0); |
| } |
| int index = c0 * 256 + c1; |
| if (index == -1) return; |
| i = bucket_B[index]; |
| if (1 < j - i && test != null) |
| x1 = 0; |
| j = i; |
| c1--; |
| } else { |
| c0--; |
| if (j <= 0) |
| break; |
| c1 = 255; |
| } |
| } |
| } |
| |
| public static void main(String args[]) { |
| Test7024475 t = new Test7024475(); |
| bucket_B = new int[256*256]; |
| for (int i = 1; i < 256*256; i++) { |
| bucket_B[i] = 1; |
| } |
| for (int n = 0; n < 100000; n++) { |
| test(t, 2, 85, 1, 134); |
| } |
| } |
| } |