Wed, 27 Aug 2014 08:19:12 -0400
8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /** |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 8031695 |
aoqi@0 | 27 | * @summary CHA ignores default methods during analysis leading to incorrect code generation |
aoqi@0 | 28 | * |
aoqi@0 | 29 | * @run main/othervm -Xbatch DefaultAndConcreteMethodsCHA |
aoqi@0 | 30 | */ |
aoqi@0 | 31 | interface I { |
aoqi@0 | 32 | default int m() { return 0; } |
aoqi@0 | 33 | } |
aoqi@0 | 34 | |
aoqi@0 | 35 | class A implements I {} |
aoqi@0 | 36 | |
aoqi@0 | 37 | class C extends A { } |
aoqi@0 | 38 | class D extends A { public int m() { return 1; } } |
aoqi@0 | 39 | |
aoqi@0 | 40 | public class DefaultAndConcreteMethodsCHA { |
aoqi@0 | 41 | public static int test(A obj) { |
aoqi@0 | 42 | return obj.m(); |
aoqi@0 | 43 | } |
aoqi@0 | 44 | public static void main(String[] args) { |
aoqi@0 | 45 | for (int i = 0; i < 10000; i++) { |
aoqi@0 | 46 | int idC = test(new C()); |
aoqi@0 | 47 | if (idC != 0) { |
aoqi@0 | 48 | throw new Error("C.m didn't invoke I.m: id "+idC); |
aoqi@0 | 49 | } |
aoqi@0 | 50 | |
aoqi@0 | 51 | int idD = test(new D()); |
aoqi@0 | 52 | if (idD != 1) { |
aoqi@0 | 53 | throw new Error("D.m didn't invoke D.m: id "+idD); |
aoqi@0 | 54 | } |
aoqi@0 | 55 | } |
aoqi@0 | 56 | |
aoqi@0 | 57 | } |
aoqi@0 | 58 | } |