• file
• revisions
• annotate
• diff
• comparison
• raw

test/compiler/8007722/Test8007722.java@5dcfeb396fed (annotated)

test/compiler/8007722/Test8007722.java

Thu, 11 Apr 2013 09:39:57 -0700

author

katleman

date

Thu, 11 Apr 2013 09:39:57 -0700

changeset 4883

5dcfeb396fed

parent 0

f90c822e73f8

permissions

-rw-r--r--

Added tag jdk8-b85 for changeset 42fe530cd478

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	}