1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/test/compiler/escapeAnalysis/TestGetClass.java Mon Mar 11 11:42:57 2019 +0100 1.3 @@ -0,0 +1,52 @@ 1.4 +/* 1.5 + * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + */ 1.26 + 1.27 +/* 1.28 + * @test 1.29 + * @bug 8218201 1.30 + * @summary BCEscapeAnalyzer assigns wrong escape state to getClass return value. 1.31 + * @run main/othervm -XX:-TieredCompilation -Xcomp -XX:+UnlockDiagnosticVMOptions -XX:DisableIntrinsic=_getClass 1.32 + * -XX:CompileCommand=quiet -XX:CompileCommand=compileonly,compiler.escapeAnalysis.TestGetClass::test 1.33 + * -XX:+PrintCompilation compiler.escapeAnalysis.TestGetClass 1.34 + */ 1.35 + 1.36 +package compiler.escapeAnalysis; 1.37 + 1.38 +public class TestGetClass { 1.39 + static Object obj = new Object(); 1.40 + 1.41 + public static boolean test() { 1.42 + if (obj.getClass() == Object.class) { 1.43 + synchronized (obj) { 1.44 + return true; 1.45 + } 1.46 + } 1.47 + return false; 1.48 + } 1.49 + 1.50 + public static void main(String[] args) { 1.51 + if (!test()) { 1.52 + throw new RuntimeException("Test failed"); 1.53 + } 1.54 + } 1.55 +}