Mercurial > hg > graal-compiler
annotate test/compiler/6855164/Test.java @ 9720:d30cc6543973
fix concurrency issue in NodeClass.get
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Wed, 15 May 2013 17:29:30 +0200 |
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1 /* |
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2 * Copyright (c) 2009, 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 6855164 |
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27 * @summary SIGSEGV during compilation of method involving loop over CharSequence |
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28 * @run main/othervm -Xbatch Test |
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29 */ |
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30 |
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31 public class Test{ |
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32 public static void main(String[] args) throws Exception { |
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33 StringBuffer builder = new StringBuffer(); |
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34 |
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35 for(int i = 0; i < 100; i++) |
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36 builder.append("I am the very model of a modern major general\n"); |
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37 |
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38 for(int j = 0; j < builder.length(); j++){ |
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39 previousSpaceIndex(builder, j); |
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40 } |
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41 } |
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42 |
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43 private static final int previousSpaceIndex(CharSequence sb, int seek) { |
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44 seek--; |
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45 while (seek > 0) { |
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46 if (sb.charAt(seek) == ' ') { |
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47 while (seek > 0 && sb.charAt(seek - 1) == ' ') |
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48 seek--; |
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49 return seek; |
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50 } |
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51 seek--; |
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52 } |
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53 return 0; |
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54 } |
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55 } |