TestImpossibleIV.java

/*
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 *
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 * 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
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 * 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 8166742
 * @summary C2 IV elimination throws FPE
 * @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation TestImpossibleIV
 * @author Chuck Rasbold rasbold@google.com
 */

/*
 * Use -XX:-TieredCompilation to get C2 only.
 * Use -XX:-BackgroundCompilation to wait for compilation before test exit.
 */

public class TestImpossibleIV {

  static private void testMethod() {
    int sum = 0;
    // A unit count-down loop which has an induction variable with
    // MIN_VALUE stride.
    for (int i = 100000; i >= 0; i--) {
      sum += Integer.MIN_VALUE;
    }
  }

  public static void main(String[] args) {
    testMethod();
  }
}