Mercurial > hg > graal-compiler
annotate test/compiler/7190310/Test7190310.java @ 7124:ab65fa23f8e9
Remove overloading of filter(Class<F>) in NodeIterable<Node> returned by Graph.getNodes() : getNodes().filter(MergeNode.class) is not the same as getNodes(MergeNode.class)
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Mon, 03 Dec 2012 13:56:13 +0100 |
parents | 09aad8452938 |
children | bf623b2d5508 |
rev | line source |
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7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
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1 /* |
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2 * Copyright (c) 2012, 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 /* |
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26 * Manual test |
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27 */ |
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28 |
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29 import java.lang.ref.*; |
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30 |
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31 public class Test7190310 { |
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32 private static Object str = new Object() { |
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33 public String toString() { |
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34 return "The Object"; |
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35 } |
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36 |
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37 protected void finalize() throws Throwable { |
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38 System.out.println("The Object is being finalized"); |
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39 super.finalize(); |
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40 } |
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41 }; |
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42 private final static ReferenceQueue<Object> rq = |
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43 new ReferenceQueue<Object>(); |
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44 private final static WeakReference<Object> wr = |
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45 new WeakReference<Object>(str, rq); |
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46 |
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47 public static void main(String[] args) |
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48 throws InterruptedException { |
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49 Thread reader = new Thread() { |
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50 public void run() { |
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51 while (wr.get() != null) { |
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52 } |
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53 System.out.println("wr.get() returned null"); |
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54 } |
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55 }; |
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56 |
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57 Thread queueReader = new Thread() { |
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58 public void run() { |
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59 try { |
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60 Reference<? extends Object> ref = rq.remove(); |
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61 System.out.println(ref); |
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62 System.out.println("queueReader returned, ref==wr is " |
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63 + (ref == wr)); |
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64 } catch (InterruptedException e) { |
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65 System.err.println("Sleep interrupted - exiting"); |
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66 } |
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67 } |
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68 }; |
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69 |
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70 reader.start(); |
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71 queueReader.start(); |
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72 |
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73 Thread.sleep(1000); |
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74 str = null; |
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75 System.gc(); |
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76 } |
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77 } |
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78 |