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annotate test/compiler/6865265/StackOverflowBug.java @ 7192:7cc69864a29b

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7146636: compiler/6865265/StackOverflowBug.java fails due to changed stack minimum Summary: Increase the stack size in the run parameters. Reviewed-by: kvn Contributed-by: david.r.chase@oracle.com
author kvn
date Fri, 16 Nov 2012 15:49:46 -0800
parents 71699e9d8673
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 */