jdk8-mips64-public/hotspot: test/compiler/6973329/Test.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) 2010, 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 6973329

    27  * @summary C2 with Zero based COOP produces code with broken anti-dependency on x86

    28  *

    29  * @run main/othervm -Xbatch -Xcomp -XX:CompileOnly=Test Test

    30  */

    32 class A {

    33   A next;

    34   int n;

    36   public int get_n() {

    37     return n+1;

    38   }

    39 }

    40 public class Test {

    42   A a;

    44   void test (A new_next) {

    45     A prev_next = a.next;

    46     a.next = new_next;

    47     if (prev_next == null) {

    48       a.n = a.get_n();

    49     }

    50   }

    52   public static void main(String args[]) {

    53     Test t = new Test();

    54     t.a = new A();

    55     t.a.n = 1;

    56     t.test(new A());

    57     if (t.a.n != 2) {

    58       System.out.println("Wrong value: " + t.a.n + " expected: 2");

    59       System.exit(97);

    60     }

    61   }

    62 }

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

test/compiler/6973329/Test.java@dbb05f6d93c4

test/compiler/6973329/Test.java