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1 /* |
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2 * Copyright (c) 2010, 2013, 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 * JDK-8013874: Function argument's prototype seem cached and wrongly reused |
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26 * |
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27 * @test |
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28 * @run |
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29 */ |
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30 |
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31 function deepEqual(actual, expected) { |
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32 print("deepEqual: " + (actual.prop === expected.prop) + ", prop: " + expected.prop); |
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33 } |
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34 |
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35 var proto = {}; |
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36 var other = { |
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37 prop: 0 |
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38 }; |
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39 |
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40 function NameBuilder(first, last) { |
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41 this.first = first; |
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42 this.last = last; |
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43 return this; |
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44 } |
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45 |
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46 NameBuilder.prototype = proto; |
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47 |
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48 function NameBuilder2(first, last) { |
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49 this.first = first; |
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50 this.last = last; |
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51 return this; |
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52 } |
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53 |
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54 NameBuilder2.prototype = proto; |
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55 |
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56 var nb1 = new NameBuilder('Ryan', 'Dahl'); |
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57 var nb2 = new NameBuilder2('Ryan', 'Dahl'); |
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58 |
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59 print("In loader, nb1.prop === nb2.prop " + (nb1.prop === nb2.prop)); |
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60 deepEqual(nb1, nb2); |
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61 |
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62 NameBuilder2.prototype = other; |
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63 nb2 = new NameBuilder2('Ryan', 'Dahl'); |
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64 |
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65 print("In loader, nb1.prop === nb2.prop " + (nb1.prop === nb2.prop)); |
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66 deepEqual(nb1, nb2); |