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2403
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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 7024475
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28 * @summary loop doesn't terminate when compiled
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29 *
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30 * @run main Test7024475
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31 */
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32
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33 public class Test7024475 {
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34
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35 static int i;
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36 static int x1;
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37 static int[] bucket_B;
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38
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39 static void test(Test7024475 test, int i, int c0, int j, int c1) {
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40 for (;;) {
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41 if (c1 > c0) {
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42 if (c0 > 253) {
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43 throw new InternalError("c0 = " + c0);
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44 }
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45 int index = c0 * 256 + c1;
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46 if (index == -1) return;
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47 i = bucket_B[index];
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48 if (1 < j - i && test != null)
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49 x1 = 0;
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50 j = i;
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51 c1--;
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52 } else {
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53 c0--;
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54 if (j <= 0)
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55 break;
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56 c1 = 255;
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57 }
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58 }
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59 }
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60
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61 public static void main(String args[]) {
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62 Test7024475 t = new Test7024475();
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63 bucket_B = new int[256*256];
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64 for (int i = 1; i < 256*256; i++) {
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65 bucket_B[i] = 1;
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66 }
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67 for (int n = 0; n < 100000; n++) {
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68 test(t, 2, 85, 1, 134);
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69 }
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70 }
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71 }
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