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 6855164
27 * @summary SIGSEGV during compilation of method involving loop over CharSequence
28 * @run main/othervm -Xbatch Test
29 */
30
31 public class Test{
32 public static void main(String[] args) throws Exception {
33 StringBuffer builder = new StringBuffer();
34
35 for(int i = 0; i < 100; i++)
36 builder.append("I am the very model of a modern major general\n");
37
38 for(int j = 0; j < builder.length(); j++){
39 previousSpaceIndex(builder, j);
40 }
41 }
42
43 private static final int previousSpaceIndex(CharSequence sb, int seek) {
44 seek--;
45 while (seek > 0) {
46 if (sb.charAt(seek) == ' ') {
47 while (seek > 0 && sb.charAt(seek - 1) == ' ')
48 seek--;
49 return seek;
50 }
51 seek--;
|
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 6855164
27 * @summary SIGSEGV during compilation of method involving loop over CharSequence
28 *
29 * @run main/othervm -Xbatch compiler.loopopts.Test6855164
30 */
31
32 package compiler.loopopts;
33
34 public class Test6855164 {
35 public static void main(String[] args) throws Exception {
36 StringBuffer builder = new StringBuffer();
37
38 for(int i = 0; i < 100; i++)
39 builder.append("I am the very model of a modern major general\n");
40
41 for(int j = 0; j < builder.length(); j++){
42 previousSpaceIndex(builder, j);
43 }
44 }
45
46 private static final int previousSpaceIndex(CharSequence sb, int seek) {
47 seek--;
48 while (seek > 0) {
49 if (sb.charAt(seek) == ' ') {
50 while (seek > 0 && sb.charAt(seek - 1) == ' ')
51 seek--;
52 return seek;
53 }
54 seek--;
|