| /* |
| * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| /** |
| * @test |
| * @bug 6857159 |
| * @summary local schedule failed with checkcast of Thread.currentThread() |
| * @library /testlibrary |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| * |
| * @run driver compiler.c2.Test6857159 |
| */ |
| |
| package compiler.c2; |
| |
| import jdk.test.lib.OutputAnalyzer; |
| import jdk.test.lib.ProcessTools; |
| |
| public class Test6857159 { |
| public static void main(String[] args) throws Throwable { |
| String className = Test.class.getName(); |
| OutputAnalyzer analyzer = ProcessTools.executeTestJvm("-Xbatch", |
| "-XX:+PrintCompilation", |
| "-XX:CompileOnly="+ className + "$ct::run", |
| className); |
| analyzer.shouldNotContain("COMPILE SKIPPED"); |
| analyzer.shouldContain(className + "$ct0::run (16 bytes)"); |
| analyzer.shouldHaveExitValue(0); |
| } |
| |
| static class Test extends Thread { |
| static class ct0 extends Test { |
| public void message() { |
| } |
| |
| public void run() { |
| message(); |
| ct0 ct = (ct0) Thread.currentThread(); |
| ct.message(); |
| } |
| } |
| |
| static class ct1 extends ct0 { |
| public void message() { |
| } |
| } |
| |
| static class ct2 extends ct0 { |
| public void message() { |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| for (int i = 0; i < 20000; i++) { |
| Thread t = null; |
| switch (i % 3) { |
| case 0: |
| t = new ct0(); |
| break; |
| case 1: |
| t = new ct1(); |
| break; |
| case 2: |
| t = new ct2(); |
| break; |
| } |
| t.start(); |
| t.join(); |
| } |
| } |
| } |
| } |