| /* |
| * 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 In a migrated library, override checking must check that an |
| * override is consistent with all overridden methods from other migrated |
| * libraries in the super-interface chain, since a legacy library is permitted |
| * to override otherwise incompatible signatures for a method. |
| * |
| * @description Check that if opted-in class implements legacy class and child |
| * type parameter is non-nullable, child opted-in class type parameter cannot be |
| * [Null]. |
| * |
| * @author iarkh@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| |
| import "override_checking_legacy_lib.dart"; |
| |
| class D1<X extends A> implements D<X> {} |
| |
| main() { |
| D1<Null>(); |
| // ^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
