| main = <No Member>; | 
 | library from "org-dartlang-test:///b.dart" as b { | 
 | // | 
 | // Problems in library: | 
 | // | 
 | // org-dartlang-test:///b.dart:3:7: Error: 'B' is a supertype of itself. | 
 | // class B extends A {} | 
 | //       ^ | 
 | // | 
 |  | 
 |   import "org-dartlang-test:///main.dart"; | 
 |  | 
 |   class B extends dart.core::Object { | 
 |     synthetic constructor •() → b::B* | 
 |       : super dart.core::Object::•() | 
 |       ; | 
 |     abstract member-signature get _identityHashCode() → dart.core::int*; -> dart.core::Object::_identityHashCode | 
 |     abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → dart.core::bool*; -> dart.core::Object::_instanceOf | 
 |     abstract member-signature method _simpleInstanceOf(dynamic type) → dart.core::bool*; -> dart.core::Object::_simpleInstanceOf | 
 |     abstract member-signature method _simpleInstanceOfTrue(dynamic type) → dart.core::bool*; -> dart.core::Object::_simpleInstanceOfTrue | 
 |     abstract member-signature method _simpleInstanceOfFalse(dynamic type) → dart.core::bool*; -> dart.core::Object::_simpleInstanceOfFalse | 
 |     abstract member-signature operator ==(dynamic other) → dart.core::bool*; -> dart.core::Object::== | 
 |     abstract member-signature get hashCode() → dart.core::int*; -> dart.core::Object::hashCode | 
 |     abstract member-signature method toString() → dart.core::String*; -> dart.core::Object::toString | 
 |     abstract member-signature method noSuchMethod(dart.core::Invocation* invocation) → dynamic; -> dart.core::Object::noSuchMethod | 
 |     abstract member-signature get runtimeType() → dart.core::Type*; -> dart.core::Object::runtimeType | 
 |   } | 
 | } | 
 | library from "org-dartlang-test:///main.dart" as main { | 
 | // | 
 | // Problems in library: | 
 | // | 
 | // org-dartlang-test:///main.dart:3:7: Error: 'A' is a supertype of itself. | 
 | // class A extends B {} | 
 | //       ^ | 
 | // | 
 |  | 
 |   import "org-dartlang-test:///b.dart"; | 
 |  | 
 |   class A extends dart.core::Object { | 
 |     synthetic constructor •() → main::A* | 
 |       : super dart.core::Object::•() | 
 |       ; | 
 |     abstract member-signature get _identityHashCode() → dart.core::int*; -> dart.core::Object::_identityHashCode | 
 |     abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → dart.core::bool*; -> dart.core::Object::_instanceOf | 
 |     abstract member-signature method _simpleInstanceOf(dynamic type) → dart.core::bool*; -> dart.core::Object::_simpleInstanceOf | 
 |     abstract member-signature method _simpleInstanceOfTrue(dynamic type) → dart.core::bool*; -> dart.core::Object::_simpleInstanceOfTrue | 
 |     abstract member-signature method _simpleInstanceOfFalse(dynamic type) → dart.core::bool*; -> dart.core::Object::_simpleInstanceOfFalse | 
 |     abstract member-signature operator ==(dynamic other) → dart.core::bool*; -> dart.core::Object::== | 
 |     abstract member-signature get hashCode() → dart.core::int*; -> dart.core::Object::hashCode | 
 |     abstract member-signature method toString() → dart.core::String*; -> dart.core::Object::toString | 
 |     abstract member-signature method noSuchMethod(dart.core::Invocation* invocation) → dynamic; -> dart.core::Object::noSuchMethod | 
 |     abstract member-signature get runtimeType() → dart.core::Type*; -> dart.core::Object::runtimeType | 
 |   } | 
 | } |