view test/compiler/5091921/Test6985295.java @ 3345:bad7ecd0b6ed

5091921: Sign flip issues in loop optimizer Summary: Fix integer overflow problem in the code generated by loop optimizer. Reviewed-by: never
author kvn
date Wed, 04 May 2011 13:12:42 -0700
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/*
 * 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 6985295
 * @summary JVM fails to evaluate condition randomly
 *
 * @run main/othervm -Xbatch Test6985295
 */

public class Test6985295 {

    public static void main(String[] args) {
        int min = Integer.MAX_VALUE-50000;
        int max = Integer.MAX_VALUE;
        System.out.println("max = " + max);
        long counter = 0;
        int i;
        for(i = min; i <= max; i++) {
            counter++;
            if (counter > 1000000) {
              System.out.println("Passed");
              System.exit(95);
            }
        }
        System.out.println("iteration went " + counter + " times (" + i + ")");
        System.out.println("FAILED");
        System.exit(97);
    }
}