| // Copyright (c) 2017, 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. |
| |
| // All of these types are considered instantiated because we create an instance |
| // of [C]. |
| |
| class A {} |
| |
| class Box<T> { |
| int? value; |
| } |
| |
| class B<T> extends A { |
| final box = new Box<T>(); |
| } |
| |
| class C extends B<N> {} |
| |
| // N is not instantiated, but used as a type argument in C and indirectly in a |
| // Box<N>. |
| // If we don't mark it as part of the output unit of C, we accidentally add it |
| // to the main output unit. However, A is in the output unit of C so we fail |
| // when trying to finalize the declaration of N while loading the main output |
| // unit. |
| class N extends A {} |