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 8064703
27 * @summary Deoptimization between array allocation and arraycopy may result in non initialized array
28 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:TypeProfileLevel=020 TestArrayCopyNoInit
29 *
30 */
31
32 public class TestArrayCopyNoInit {
33
34 static int[] m1(int[] src) {
35 int[] dest = new int[10];
36 try {
37 System.arraycopy(src, 0, dest, 0, 10);
38 } catch (NullPointerException npe) {
39 }
40 return dest;
41 }
42
43 static int[] m2(Object src, boolean flag) {
44 Class tmp = src.getClass();
45 if (flag) {
46 return null;
47 }
48 int[] dest = new int[10];
49 try {
50 System.arraycopy(src, 0, dest, 0, 10);
51 } catch (ArrayStoreException npe) {
|
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 8064703
27 * @summary Deoptimization between array allocation and arraycopy may result in non initialized array
28 *
29 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:TypeProfileLevel=020
30 * compiler.arraycopy.TestArrayCopyNoInit
31 */
32
33 package compiler.arraycopy;
34
35 public class TestArrayCopyNoInit {
36
37 static int[] m1(int[] src) {
38 int[] dest = new int[10];
39 try {
40 System.arraycopy(src, 0, dest, 0, 10);
41 } catch (NullPointerException npe) {
42 }
43 return dest;
44 }
45
46 static int[] m2(Object src, boolean flag) {
47 Class tmp = src.getClass();
48 if (flag) {
49 return null;
50 }
51 int[] dest = new int[10];
52 try {
53 System.arraycopy(src, 0, dest, 0, 10);
54 } catch (ArrayStoreException npe) {
|