Mercurial > hg > graal-compiler
view test/compiler/8007722/Test8007722.java @ 20443:64b480f9eb1a
Merge
author | ctornqvi |
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date | Wed, 10 Sep 2014 17:36:20 +0000 |
parents | 706c919d3b56 |
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/* * Copyright (c) 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 8007722 * @summary GetAndSetP's MachNode should capture bottom type * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation Test8007722 * */ import java.util.concurrent.atomic.*; public class Test8007722 { int i; static AtomicReference<Test8007722> ref; static int test(Test8007722 new_obj) { Test8007722 o = ref.getAndSet(new_obj); int ret = o.i; o.i = 5; return ret; } static public void main(String[] args) { Test8007722 obj = new Test8007722(); ref = new AtomicReference<Test8007722>(obj); for (int i = 0; i < 20000; i++) { test(obj); } System.out.println("PASSED"); } }