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test/compiler/6855164/Test.java@5201379fe487 (annotated)

test/compiler/6855164/Test.java

Thu, 11 Apr 2013 21:45:21 -0700

author

amurillo

date

Thu, 11 Apr 2013 21:45:21 -0700

changeset 4915

5201379fe487

parent 1907

c18cbe5936b8

child 6876

710a3c8b516e

permissions

-rw-r--r--

Added tag hs25-b28 for changeset 6d88a566d369

cfang@1270	1	/*
trims@1907	2	* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
cfang@1270	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
cfang@1270	4	*
cfang@1270	5	* This code is free software; you can redistribute it and/or modify it
cfang@1270	6	* under the terms of the GNU General Public License version 2 only, as
cfang@1270	7	* published by the Free Software Foundation.
cfang@1270	8	*
cfang@1270	9	* This code is distributed in the hope that it will be useful, but WITHOUT
cfang@1270	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
cfang@1270	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
cfang@1270	12	* version 2 for more details (a copy is included in the LICENSE file that
cfang@1270	13	* accompanied this code).
cfang@1270	14	*
cfang@1270	15	* You should have received a copy of the GNU General Public License version
cfang@1270	16	* 2 along with this work; if not, write to the Free Software Foundation,
cfang@1270	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
cfang@1270	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
cfang@1270	22	*/
cfang@1270	23
cfang@1270	24	/*
cfang@1270	25	* @test
cfang@1270	26	* @bug 6855164
cfang@1270	27	* @summary SIGSEGV during compilation of method involving loop over CharSequence
cfang@1270	28	* @run main/othervm -Xbatch Test
cfang@1270	29	*/
cfang@1270	30
cfang@1270	31	public class Test{
cfang@1270	32	public static void main(String[] args) throws Exception {
cfang@1270	33	StringBuffer builder = new StringBuffer();
cfang@1270	34
cfang@1270	35	for(int i = 0; i < 100; i++)
cfang@1270	36	builder.append("I am the very model of a modern major general\n");
cfang@1270	37
cfang@1270	38	for(int j = 0; j < builder.length(); j++){
cfang@1270	39	previousSpaceIndex(builder, j);
cfang@1270	40	}
cfang@1270	41	}
cfang@1270	42
cfang@1270	43	private static final int previousSpaceIndex(CharSequence sb, int seek) {
cfang@1270	44	seek--;
cfang@1270	45	while (seek > 0) {
cfang@1270	46	if (sb.charAt(seek) == ' ') {
cfang@1270	47	while (seek > 0 && sb.charAt(seek - 1) == ' ')
cfang@1270	48	seek--;
cfang@1270	49	return seek;
cfang@1270	50	}
cfang@1270	51	seek--;
cfang@1270	52	}
cfang@1270	53	return 0;
cfang@1270	54	}
cfang@1270	55	}