1 /* 2 * Copyright (c) 2008, 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 * @test 26 * @bug 6695810 27 * @summary null oop passed to encode_heap_oop_not_null 28 * 29 * @run main/othervm -Xbatch compiler.c2.Test6695810 30 */ 31 32 package compiler.c2; 33 34 public class Test6695810 { 35 Test6695810 _t; 36 37 static void test(Test6695810 t1, Test6695810 t2) { 38 if (t2 != null) 39 t1._t = t2; 40 41 if (t2 != null) 42 t1._t = t2; 43 } 44 45 public static void main(String[] args) { 46 Test6695810 t = new Test6695810(); 47 for (int i = 0; i < 50; i++) { 48 for (int j = 0; j < 100; j++) { 49 test(t, t); 50 } 51 test(t, null); 52 } 53 for (int i = 0; i < 10000; i++) { 54 test(t, t); 55 } 56 test(t, null); 57 } 58 }