jdk8-mips64-public/hotspot: test/compiler/5091921/Test6935022.java@dbb05f6d93c4

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

     1 /*

     2  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 /**

    26  * @test

    27  * @bug 6935022

    28  * @summary Server VM incorrectly breaks out of while loop

    29  *

    30  * @run main Test6935022

    31  */

    33 public class Test6935022 {

    34     public static final void main(String[] args) throws Exception {

    35         Test6935022 test = new Test6935022();

    37         int cnt = 0;

    39         while (cnt < 10000) {

    40             try {

    41                 ++cnt;

    42                 if ((cnt&1023) == 0)

    43                   System.out.println("Thread="+Thread.currentThread().getName() + " iteration: " + cnt);

    44                 test.loop(2147483647, (cnt&1023));

    45             }

    47             catch (Exception e) {

    48                 System.out.println("Caught on iteration " + cnt);

    49                 e.printStackTrace();

    50                 System.exit(97);

    51             }

    52         }

    53     }

    55     private void loop(int endingRow, int mask) throws Exception {

    56         int rows = 1;

    57         boolean next = true;

    59         while(rows <= endingRow && next) {

    60             rows++;

    61             if (rows == mask)

    62               System.out.println("Rows="+rows+", end="+endingRow+", next="+next);

    63             next = next(rows);

    64         }

    66         if (next)

    67             throw new Exception("Ended on rows(no rs): " + rows);

    68     }

    70     private boolean next(int rows) {

    71         return rows < 12;

    72     }

    73 }

Mercurial > jdk8-mips64-public > hotspot / file revision

test/compiler/5091921/Test6935022.java@dbb05f6d93c4

test/compiler/5091921/Test6935022.java