test/compiler/8007722/Test8007722.java

Mon, 28 Jul 2014 15:06:38 -0700

author
fzhinkin
date
Mon, 28 Jul 2014 15:06:38 -0700
changeset 6997
dbb05f6d93c4
parent 0
f90c822e73f8
permissions
-rw-r--r--

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) 2013, 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  */
    24 /*
    25  * @test
    26  * @bug 8007722
    27  * @summary GetAndSetP's MachNode should capture bottom type
    28  * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation Test8007722
    29  *
    30  */
    32 import java.util.concurrent.atomic.*;
    34 public class Test8007722 {
    36     int i;
    37     static AtomicReference<Test8007722> ref;
    39     static int test(Test8007722 new_obj) {
    40         Test8007722 o = ref.getAndSet(new_obj);
    41         int ret = o.i;
    42         o.i = 5;
    43         return ret;
    44     }
    46     static public void main(String[] args) {
    47         Test8007722 obj = new Test8007722();
    48         ref = new AtomicReference<Test8007722>(obj);
    50         for (int i = 0; i < 20000; i++) {
    51             test(obj);
    52         }
    54         System.out.println("PASSED");
    55     }
    56 }

mercurial