Mercurial > hg > graal-compiler
annotate test/compiler/6865265/StackOverflowBug.java @ 9976:f6ceb0a3482e
Class renaming
author | Christos Kotselidis <christos.kotselidis@oracle.com> |
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date | Mon, 10 Jun 2013 12:33:32 +0200 |
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1 /* |
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2 * Copyright (c) 2011, 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 * @test |
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27 * @bug 6865265 |
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28 * @summary JVM crashes with "missing exception handler" error |
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29 * @author volker.simonis@sap.com |
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30 * |
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31 * @run main/othervm -XX:CompileThreshold=100 -Xbatch -Xss248k StackOverflowBug |
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32 */ |
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33 |
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34 |
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35 public class StackOverflowBug { |
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36 |
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37 public static int run() { |
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38 try { |
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39 try { |
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40 return run(); |
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41 } catch (Throwable e) { |
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42 // Notice that the class 'Throwable' is NOT resolved by the verifier, |
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43 // because the verifier only checks if 'Throwable' is assignable to |
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44 // 'java.lang.Throwable' and this check succeeds immediately if the two |
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45 // types have equal names (see 'VerificationType::is_assignable_from' which |
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46 // is called from 'ClassVerifier::verify_exception_handler_table'). |
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47 // This is strange, because if the two classes have different names, |
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48 // 'is_assignable_from()' calls 'is_reference_assignable_from()' which resolves |
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49 // both classes by calling 'SystemDictionary::resolve_or_fail()'. This call |
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50 // also takes into account the current class loader (i.e. the one which was used |
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51 // to load this class) and would place a corresponding |
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52 // "java.lang.Throwable / current-Classloader" entry into the system dictionary. |
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53 // This would in turn allow C2 to see 'java.lang.Throwable' as "loaded" |
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54 // (see 'Parse::catch_inline_exceptions()') when this method is compiled. |
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55 return 42; |
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56 } |
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57 } |
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58 finally { |
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59 } |
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60 } |
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61 |
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62 public static void main(String argv[]) { |
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63 run(); |
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64 } |
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65 } |
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66 |
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67 /* |
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68 public static int run(); |
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69 Code: |
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70 0: invokestatic #2 // Method run:()I |
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71 3: istore_0 |
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72 4: iload_0 |
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73 5: ireturn |
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74 6: astore_0 |
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75 7: bipush 42 |
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76 9: istore_1 |
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77 10: iload_1 |
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78 11: ireturn |
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79 12: astore_2 |
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80 13: aload_2 |
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81 14: athrow |
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82 Exception table: |
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83 from to target type |
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84 0 4 6 Class java/lang/Throwable |
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85 0 4 12 any |
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86 6 10 12 any |
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87 12 13 12 any |
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88 |
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89 */ |