/**

 * @test /nodynamiccopyright/

 * @bug 7086586

 * @summary Inference producing null type argument

 * @compile/fail/ref=T7086586.out -XDrawDiagnostics T7086586.java

 */

import java.util.List;

class T7086586 {

    <T> List<T> m(List<? super T> dummy) { return null; }

    void test(List<?> l) {

        String s = m(l).get(0);

        Number n = m(l).get(0);

        Exception e = m(l).get(0);

        m(l).nonExistentMethod();

    }

}