1 /* 2 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /** 26 * @test 27 * @bug 6859338 28 * @summary Assertion failure in sharedRuntime.cpp 29 * 30 * @run main/othervm -Xcomp -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions 31 * -XX:-InlineObjectHash -Xbatch -XX:-ProfileInterpreter 32 * compiler.runtime.Test6859338 33 */ 34 35 package compiler.runtime; 36 37 public class Test6859338 { 38 static Object[] o = new Object[] { new Object(), null }; 39 public static void main(String[] args) { 40 int total = 0; 41 try { 42 // Exercise the implicit null check in the unverified entry point 43 for (int i = 0; i < 40000; i++) { 44 int limit = o.length; 45 if (i < 20000) limit = 1; 46 for (int j = 0; j < limit; j++) { 47 total += o[j].hashCode(); 48 } 49 } 50 51 } catch (NullPointerException e) { 52 // this is expected. A true failure causes a crash 53 } 54 } 55 }