/*
 * Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
 * for details. All rights reserved. Use of this source code is governed by a
 * BSD-style license that can be found in the LICENSE file.
 */
/**
 * @assertion It is an error to read a field or tear off a method from an
 * expression whose type is potentially nullable and not dynamic, except for the
 * methods and fields on Object.
 *
 * @description Check that it is a compile-time error to to read a field or tear
 * off a method from an expression whose type is potentially nullable. Test
 * the case <T extends num?>
 * @author sgrekhov@unipro.ru
 */

class C<T extends num?> {
  T t;
  C(this.t);

  test() {
    t.abs;
//    ^^^
// [analyzer] unspecified
// [cfe] unspecified
  }
}

main() {
  C<int?> c = new C<int?>(3);
  c.test();
}