author | erikj |
Tue, 12 Sep 2017 19:03:39 +0200 | |
changeset 47216 | 71c04702a3d5 |
parent 40059 | hotspot/test/compiler/inlining/DefaultAndConcreteMethodsCHA.java@c2304140ed64 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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/** |
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* @test |
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* @bug 8031695 |
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* @summary CHA ignores default methods during analysis leading to incorrect code generation |
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* |
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* @run main/othervm -Xbatch compiler.inlining.DefaultAndConcreteMethodsCHA |
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*/ |
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package compiler.inlining; |
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public class DefaultAndConcreteMethodsCHA { |
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interface I { |
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default int m() { return 0; } |
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} |
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static class A implements I {} |
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static class C extends A { } |
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static class D extends A { public int m() { return 1; } } |
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public static int test(A obj) { |
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return obj.m(); |
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} |
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public static void main(String[] args) { |
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for (int i = 0; i < 10000; i++) { |
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int idC = test(new C()); |
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if (idC != 0) { |
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throw new Error("C.m didn't invoke I.m: id "+idC); |
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} |
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int idD = test(new D()); |
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if (idD != 1) { |
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throw new Error("D.m didn't invoke D.m: id "+idD); |
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} |
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} |
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} |
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} |