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annotate test/compiler/8007722/Test8007722.java @ 21815:37179dcf830a

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Merge
author asaha
date Mon, 20 Oct 2014 23:02:07 -0700
parents 706c919d3b56
children
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706c919d3b56 8007722: C2: "assert(tp->base() != Type::AnyPtr) failed: not a bare pointer" at machnode.cpp:376
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /*
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25 * @test
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26 * @bug 8007722
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27 * @summary GetAndSetP's MachNode should capture bottom type
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28 * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation Test8007722
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29 *
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30 */
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31
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32 import java.util.concurrent.atomic.*;
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33
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34 public class Test8007722 {
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35
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36 int i;
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37 static AtomicReference<Test8007722> ref;
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38
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39 static int test(Test8007722 new_obj) {
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40 Test8007722 o = ref.getAndSet(new_obj);
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41 int ret = o.i;
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42 o.i = 5;
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43 return ret;
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44 }
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45
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46 static public void main(String[] args) {
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47 Test8007722 obj = new Test8007722();
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48 ref = new AtomicReference<Test8007722>(obj);
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49
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50 for (int i = 0; i < 20000; i++) {
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51 test(obj);
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52 }
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53
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54 System.out.println("PASSED");
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55 }
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56 }