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1 /* |
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2 * Copyright (c) 1999, 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 4057345 4120016 4120014 |
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27 * @summary static init: Verify that overzealous dead-code elimination no |
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28 * longer removes live code. |
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29 * @author dps |
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30 * |
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31 * @run clean DeadCode4 |
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32 * @run compile -O DeadCode4.java |
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33 * @run main DeadCode4 |
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34 */ |
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35 |
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36 class cls |
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37 { |
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38 static int arr[]; |
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39 |
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40 static { |
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41 arr = new int[2]; |
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42 arr[0] = 0; |
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43 arr[1] = 2; |
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44 } |
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45 } |
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46 |
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47 public class DeadCode4 |
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48 { |
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49 final int x = 9; |
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50 |
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51 private final void fun1() { |
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52 try { |
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53 int i = cls.arr[3]; |
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54 // if we got here, then there must be a problem |
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55 throw new RuntimeException("accidental removal of live code"); |
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56 } catch (ArrayIndexOutOfBoundsException e) { |
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57 System.out.println("ArrayIndexOutOfBoundsException correctly thrown"); |
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58 e.printStackTrace(); |
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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[] args ) |
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63 { |
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64 DeadCode4 r1 = new DeadCode4(); |
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65 r1.fun1(); |
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66 } |
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67 } |