view test/compiler/6833129/Test.java @ 900:9987d9d5eb0e

6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot Summary: developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens Reviewed-by: kvn, never, jrose, twisti
author cfang
date Fri, 31 Jul 2009 17:12:33 -0700
parents
children d6b9fd78f389
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/*
 * Copyright 2009 Sun Microsystems, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/**
 * @test
 * @bug 6833129
 * @summary Object.clone() and Arrays.copyOf ignore coping with -XX:+DeoptimizeALot
 * @run main/othervm -Xbatch -XX:+DeoptimizeALot Test
 */

public class Test{
    public static void init(int src[]) {
        for (int i =0; i<src.length; i++) {
            src[i] =  i;
        }
    }

    public static void clone_and_verify(int src[]) {
        for (int i = 0; i < src.length; i++) {
            int [] src_clone = src.clone();
            if (src[i] != src_clone[i]) {
                System.out.println("Error: allocated but not copied: ");
                for( int j =0; j < src_clone.length; j++)
                    System.out.print(" " + src_clone[j]);
                System.out.println();
                System.exit(97);
            }
        }
    }

    public static void test() {
        int[] src = new int[34];
        init(src);
        clone_and_verify(src);
    }

    public static void main(String[] args) {
        for (int i=0; i< 20000; i++) {
            test();
        }
    }
}