test/compiler/7024475/Test7024475.java

changeset 2685
1927db75dd85
parent 0
f90c822e73f8
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/compiler/7024475/Test7024475.java	Sun Mar 27 00:00:14 2011 -0700
     1.3 @@ -0,0 +1,71 @@
     1.4 +/*
     1.5 + * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +/**
    1.29 + * @test
    1.30 + * @bug 7024475
    1.31 + * @summary loop doesn't terminate when compiled
    1.32 + *
    1.33 + * @run main Test7024475
    1.34 + */
    1.35 +
    1.36 +public class Test7024475 {
    1.37 +
    1.38 +    static int i;
    1.39 +    static int x1;
    1.40 +    static int[] bucket_B;
    1.41 +
    1.42 +    static void test(Test7024475 test, int i, int c0, int j, int c1) {
    1.43 +        for (;;) {
    1.44 +            if (c1 > c0) {
    1.45 +                if (c0 > 253) {
    1.46 +                    throw new InternalError("c0 = " + c0);
    1.47 +                }
    1.48 +                int index = c0 * 256 + c1;
    1.49 +                if (index == -1) return;
    1.50 +                i = bucket_B[index];
    1.51 +                if (1 < j - i && test != null)
    1.52 +                    x1 = 0;
    1.53 +                j = i;
    1.54 +                c1--;
    1.55 +            } else {
    1.56 +                c0--;
    1.57 +                if (j <= 0)
    1.58 +                    break;
    1.59 +                c1 = 255;
    1.60 +            }
    1.61 +        }
    1.62 +    }
    1.63 +
    1.64 +    public static void main(String args[]) {
    1.65 +        Test7024475 t = new Test7024475();
    1.66 +        bucket_B = new int[256*256];
    1.67 +        for (int i = 1; i < 256*256; i++) {
    1.68 +            bucket_B[i] = 1;
    1.69 +        }
    1.70 +        for (int n = 0; n < 100000; n++) {
    1.71 +            test(t, 2, 85, 1, 134);
    1.72 +        }
    1.73 +    }
    1.74 +}

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