| /* |
| * Copyright (c) 2009, 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 6855164 |
| * @summary SIGSEGV during compilation of method involving loop over CharSequence |
| * @run main/othervm -Xbatch Test |
| */ |
| |
| public class Test{ |
| public static void main(String[] args) throws Exception { |
| StringBuffer builder = new StringBuffer(); |
| |
| for(int i = 0; i < 100; i++) |
| builder.append("I am the very model of a modern major general\n"); |
| |
| for(int j = 0; j < builder.length(); j++){ |
| previousSpaceIndex(builder, j); |
| } |
| } |
| |
| private static final int previousSpaceIndex(CharSequence sb, int seek) { |
| seek--; |
| while (seek > 0) { |
| if (sb.charAt(seek) == ' ') { |
| while (seek > 0 && sb.charAt(seek - 1) == ' ') |
| seek--; |
| return seek; |
| } |
| seek--; |
| } |
| return 0; |
| } |
| } |