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1 /* |
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2 * Copyright (c) 2016, Red Hat, Inc. 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 8166836 |
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27 * @summary Elimination of clone's ArrayCopyNode may make compilation fail silently |
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28 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestEliminatedCloneBadMemEdge::not_inlined TestEliminatedCloneBadMemEdge |
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29 * |
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30 */ |
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31 |
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32 public class TestEliminatedCloneBadMemEdge implements Cloneable { |
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33 |
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34 int f1; |
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35 int f2; |
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36 int f3; |
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37 int f4; |
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38 int f5; |
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39 int f6; |
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40 int f7; |
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41 int f8; |
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42 int f9; |
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43 |
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44 static void not_inlined() {} |
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45 |
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46 static void test(TestEliminatedCloneBadMemEdge o1) throws CloneNotSupportedException { |
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47 TestEliminatedCloneBadMemEdge o2 = (TestEliminatedCloneBadMemEdge)o1.clone(); |
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48 not_inlined(); |
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49 o2.f1 = 0x42; |
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50 } |
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51 |
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52 static public void main(String[] args) throws CloneNotSupportedException { |
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53 TestEliminatedCloneBadMemEdge o1 = new TestEliminatedCloneBadMemEdge(); |
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54 for (int i = 0; i < 20000; i++) { |
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55 test(o1); |
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56 } |
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57 } |
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58 } |