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 * @test 26 * @bug 7046096 27 * @summary SEGV IN C2 WITH 6U25 28 * 29 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+OptimizeStringConcat 30 * compiler.c2.Test7046096 31 */ 32 33 package compiler.c2; 34 35 public class Test7046096 { 36 37 static int first = 1; 38 add(String str)39 String add(String str) { 40 if (first != 0) { 41 return str + "789"; 42 } else { 43 return "null"; 44 } 45 } 46 test(String str)47 String test(String str) { 48 for (int i = 0; i < first; i++) { 49 if (i > 1) 50 return "bad"; 51 } 52 return add(str + "456"); 53 } 54 main(String[] args)55 public static void main(String[] args) { 56 Test7046096 t = new Test7046096(); 57 for (int i = 0; i < 11000; i++) { 58 String str = t.test("123"); 59 if (!str.equals("123456789")) { 60 System.out.println("FAILED: " + str + " != \"123456789\""); 61 System.exit(97); 62 } 63 } 64 } 65 } 66 67