| /* |
| * 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 if a top level variable, static variable, or |
| * instance field with potentially non-nullable type has no initializer |
| * expression and is not initialized in a constructor via an initializing formal |
| * or an initializer list entry, unless the variable or field is marked with the |
| * 'late' modifier. |
| * |
| * @description Check that it is a compile-time error if an instance field |
| * with potentially non-nullable type has no initializer expression |
| * @compile-error |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| |
| class A { |
| } |
| |
| class C<X extends A?> { |
| X x; |
| } |
| |
| main() { |
| new C<A?>(); |
| } |
