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annotate test/compiler/inlining/InlineDefaultMethod.java @ 13021:4d3575d37a07

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8026735: Stream tests throw java.lang.IncompatibleClassChangeError Summary: Put a band-aid to disable CHA-based inlining for interfaces with default methods in C1 Reviewed-by: kvn, twisti
author iveresov
date Wed, 30 Oct 2013 22:55:11 -0700
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13021
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1 /*
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2 * Copyright (c) 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 * @test
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26 * @bug 8026735
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27 * @summary CHA in C1 should make correct decisions about default methods
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28 * @run main/othervm -Xcomp -XX:CompileOnly=InlineDefaultMethod::test -XX:TieredStopAtLevel=1 InlineDefaultMethod
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29 */
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30
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31
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32 interface InterfaceWithDefaultMethod0 {
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33 default public int defaultMethod() {
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34 return 1;
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35 }
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36 }
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37
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38 interface InterfaceWithDefaultMethod1 extends InterfaceWithDefaultMethod0 { }
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39
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40 abstract class Subtype implements InterfaceWithDefaultMethod1 { }
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41
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42 class Decoy extends Subtype {
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43 public int defaultMethod() {
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44 return 2;
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45 }
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46 }
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47
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48 class Instance extends Subtype { }
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49
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50 public class InlineDefaultMethod {
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51 public static int test(InterfaceWithDefaultMethod1 x) {
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52 return x.defaultMethod();
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53 }
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54 public static void main(String[] args) {
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55 InterfaceWithDefaultMethod1 a = new Decoy();
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56 InterfaceWithDefaultMethod1 b = new Instance();
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57 if (test(a) != 2 ||
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58 test(b) != 1) {
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59 System.err.println("FAILED");
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60 System.exit(97);
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61 }
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62 System.err.println("PASSED");
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63 }
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64 }