Mercurial > hg > graal-compiler
annotate test/compiler/7179138/Test7179138_2.java @ 8968:e41c32a4d573
Change the register_finalizer stub to not overwrite any registers.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 09 Apr 2013 19:28:34 +0200 |
parents | 751bd303aa45 |
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1 /* |
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2 * Copyright 2012 Skip Balk. 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 7179138 |
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27 * @summary Incorrect result with String concatenation optimization |
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28 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation Test7179138_2 |
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29 * |
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30 * @author Skip Balk |
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31 */ |
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32 |
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33 public class Test7179138_2 { |
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34 public static void main(String[] args) throws Exception { |
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35 System.out.println("Java Version: " + System.getProperty("java.vm.version")); |
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36 long[] durations = new long[60]; |
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37 for (int i = 0; i < 100000; i++) { |
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38 // this empty for-loop is required to reproduce this bug |
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39 for (long duration : durations) { |
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40 // do nothing |
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41 } |
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42 { |
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43 String s = "test"; |
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44 int len = s.length(); |
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45 |
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46 s = s + s; |
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47 len = len + len; |
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48 |
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49 s = s + s; |
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50 len = len + len; |
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51 |
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52 s = s + s; |
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53 len = len + len; |
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54 |
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55 if (s.length() != len) { |
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56 System.out.println("Failed at iteration: " + i); |
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57 System.out.println("Length mismatch: " + s.length() + " <> " + len); |
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58 System.out.println("Expected: \"" + "test" + "test" + "test" + "test" + "test" + "test" + "test" + "test" + "\""); |
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59 System.out.println("Actual: \"" + s + "\""); |
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60 System.exit(0); |
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61 } |
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62 } |
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63 } |
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64 } |
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65 } |
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66 |