1 /* 2 * Copyright (c) 2011, 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 6753639 28 * @summary Strange optimisation in for loop with cyclic integer condition 29 * 30 * @run main/othervm -Xbatch compiler.c2.Test6753639 31 */ 32 33 package compiler.c2; 34 35 public class Test6753639 { 36 public static void main(String[] args) throws InterruptedException { 37 int END = Integer.MAX_VALUE; 38 int count = 0; 39 for(int i = Integer.MAX_VALUE - 5; i <= END; i++) { 40 count++; 41 if (count > 100000) { 42 System.out.println("Passed"); 43 System.exit(95); 44 } 45 } 46 System.out.println("broken " + count); 47 System.out.println("FAILED"); 48 System.exit(97); 49 } 50 } 51 52