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 TestMaybeNullUnsafeAccess
26 * @summary cast before unsafe access moved in dominating null check null path causes crash
27 * @key gc
28 * @requires vm.gc.Shenandoah
29 * @modules java.base/jdk.internal.misc:+open
30 *
31 * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation -XX:-TieredCompilation
32 * TestMaybeNullUnsafeAccess
33 *
34 * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation -XX:-TieredCompilation
35 * -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC
36 * TestMaybeNullUnsafeAccess
37 *
38 */
39
40 import jdk.internal.misc.Unsafe;
41
42 import java.lang.reflect.Field;
43
44 public class TestMaybeNullUnsafeAccess {
45
46 static final jdk.internal.misc.Unsafe UNSAFE = Unsafe.getUnsafe();
47 static final long F_OFFSET;
48
|
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 TestMaybeNullUnsafeAccess
26 * @summary cast before unsafe access moved in dominating null check null path causes crash
27 * @key gc
28 * @requires vm.gc.Shenandoah & !vm.graal.enabled
29 * @modules java.base/jdk.internal.misc:+open
30 *
31 * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation -XX:-TieredCompilation
32 * TestMaybeNullUnsafeAccess
33 *
34 * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation -XX:-TieredCompilation
35 * -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC
36 * TestMaybeNullUnsafeAccess
37 *
38 */
39
40 import jdk.internal.misc.Unsafe;
41
42 import java.lang.reflect.Field;
43
44 public class TestMaybeNullUnsafeAccess {
45
46 static final jdk.internal.misc.Unsafe UNSAFE = Unsafe.getUnsafe();
47 static final long F_OFFSET;
48
|