/* * Copyright (c) 2010, 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 7002666 * @summary eclipse CDT projects crash with compressed oops * * @run main/othervm -Xbatch * -XX:CompileCommand=compileonly,compiler.c2.Test7002666::test * -XX:CompileCommand=compileonly,java.lang.reflect.Array::* * compiler.c2.Test7002666 */ package compiler.c2; /* * This will only reliably fail with a fastdebug build since it relies * on seeing garbage in the heap to die. It could be made more * reliable in product mode but that would require greatly increasing * the runtime. */ public class Test7002666 { public static void main(String[] args) { for (int i = 0; i < 25000; i++) { Object[] a = test(Test7002666.class, new Test7002666()); if (a[0] != null) { // The element should be null but if it's not then // we've hit the bug. This will most likely crash but // at least throw an exception. System.err.println(a[0]); throw new InternalError(a[0].toString()); } } } public static Object[] test(Class c, Object o) { // allocate an array small enough to be trigger the bug Object[] a = (Object[])java.lang.reflect.Array.newInstance(c, 1); return a; } }