/*

 * @test /nodynamiccopyright/

 * @bug     7123100

 * @summary javac fails with java.lang.StackOverflowError

 * @compile/fail/ref=T7123100d.out -Werror -Xlint:unchecked -XDrawDiagnostics T7123100d.java

 */

class T7123100d {

    <E extends Enum<E>> E m(Enum<E> e) {

        return null;

    }

    <Z> void test(Enum<?> e) {

        Z z = (Z)m(e);

    }

}