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

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /*
aoqi@0 25 * @test
aoqi@0 26 * @bug 8007722
aoqi@0 27 * @summary GetAndSetP's MachNode should capture bottom type
aoqi@0 28 * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation Test8007722
aoqi@0 29 *
aoqi@0 30 */
aoqi@0 31
aoqi@0 32 import java.util.concurrent.atomic.*;
aoqi@0 33
aoqi@0 34 public class Test8007722 {
aoqi@0 35
aoqi@0 36 int i;
aoqi@0 37 static AtomicReference<Test8007722> ref;
aoqi@0 38
aoqi@0 39 static int test(Test8007722 new_obj) {
aoqi@0 40 Test8007722 o = ref.getAndSet(new_obj);
aoqi@0 41 int ret = o.i;
aoqi@0 42 o.i = 5;
aoqi@0 43 return ret;
aoqi@0 44 }
aoqi@0 45
aoqi@0 46 static public void main(String[] args) {
aoqi@0 47 Test8007722 obj = new Test8007722();
aoqi@0 48 ref = new AtomicReference<Test8007722>(obj);
aoqi@0 49
aoqi@0 50 for (int i = 0; i < 20000; i++) {
aoqi@0 51 test(obj);
aoqi@0 52 }
aoqi@0 53
aoqi@0 54 System.out.println("PASSED");
aoqi@0 55 }
aoqi@0 56 }

mercurial