1 /* 2 * Copyright (c) 2018, Red Hat, Inc. 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 8197563 27 * @summary assert(is_Loop()) crash in PhaseIdealLoop::try_move_store_before_loop() 28 * 29 * @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=StoreMovedBeforeInfiniteLoop::test StoreMovedBeforeInfiniteLoop 30 * 31 */ 32 33 public class StoreMovedBeforeInfiniteLoop { main(String[] args)34 public static void main(String[] args) { 35 field = -1; 36 test(new Object()); 37 } 38 39 static int field; 40 constant()41 static int constant() { 42 return 65; 43 } 44 test(Object o)45 private static int test(Object o) { 46 do { 47 if (field <= 0) { 48 return -109; 49 } 50 do { 51 field = 4; 52 } while (constant() >= 0); 53 } while (o == null); 54 return -109; 55 } 56 } 57