| library; |
| import self as self; |
| import "dart:core" as core; |
| |
| class _Y<T extends core::Object* = dynamic> extends core::Object { |
| const constructor •() → self::_Y<self::_Y::T*>* |
| : super core::Object::•() |
| ; |
| } |
| class A<T extends core::Object* = dynamic> extends core::Object { |
| generic-covariant-impl field self::_Y<self::A::T*>* x; |
| constructor •(self::_Y<self::A::T*>* x) → self::A<self::A::T*>* |
| : self::A::x = x, super core::Object::•() |
| ; |
| } |
| class B<T extends core::Object* = dynamic> extends self::A<self::B::T*> { |
| constructor •() → self::B<self::B::T*>* |
| : super self::A::•(#C1) |
| ; |
| } |
| static method main() → dynamic { |
| dynamic x = new self::B::•<dynamic>().{self::A::x}; |
| if(!(x is self::_Y<core::Null*>*)) { |
| throw "Unexpected run-time type: `new B().x` is ${x.{core::Object::runtimeType}}, but `_Y<Null>` expected"; |
| } |
| } |
| |
| constants { |
| #C1 = self::_Y<core::Null?> {} |
| } |