/*
 * Copyright (c) 2010, 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.
 *
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/**
 * @test
 * @bug 7009359
 * @summary HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected
 *
 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+OptimizeStringConcat -XX:CompileCommand=exclude,Test7009359,main Test7009359
 *
 */

public class Test7009359 {
    public static void main (String[] args) {
        for(int i = 0; i < 1000000; i++) {
            if(!stringmakerBUG(null).equals("NPE")) {
                System.out.println("StringBuffer(null) does not throw NPE");
                System.exit(97);
            }
        }
    }

    public static String stringmakerBUG(String str) {
       try {
           return new StringBuffer(str).toString();
       } catch (NullPointerException e) {
           return "NPE";
       }
    }
}

