| library /*isNonNullableByDefault*/; | 
 | // | 
 | // Problems in library: | 
 | // | 
 | // pkg/front_end/testcases/dart2js/issue47916f.dart:10:17: Error: Cyclic definition of factory 'B'. | 
 | //   const factory B() = C; | 
 | //                 ^ | 
 | // | 
 | // pkg/front_end/testcases/dart2js/issue47916f.dart:14:17: Error: Cyclic definition of factory 'C'. | 
 | //   const factory C() = B; | 
 | //                 ^ | 
 | // | 
 | import self as self; | 
 | import "dart:core" as core; | 
 |  | 
 | abstract class A<T extends core::Object? = dynamic> extends core::Object { | 
 |   static final field dynamic _redirecting# = <dynamic>[#C1]/*isLegacy*/; | 
 |   static factory •<T extends core::Object? = dynamic>() → self::A<self::A::•::T%> | 
 |     return self::B::•<self::A::•::T%>(); | 
 |   static method _#new#tearOff<T extends core::Object? = dynamic>() → self::A<self::A::_#new#tearOff::T%>; | 
 | } | 
 | abstract class B<T extends core::Object? = dynamic> extends core::Object implements self::A<self::B::T%> { | 
 |   static final field dynamic _redirecting# = <dynamic>[#C2]/*isLegacy*/; | 
 |   static factory •<T extends core::Object? = dynamic>() → self::B<self::B::•::T%> | 
 |     return invalid-expression "pkg/front_end/testcases/dart2js/issue47916f.dart:10:17: Error: Cyclic definition of factory 'B'. | 
 |   const factory B() = C; | 
 |                 ^"; | 
 |   static method _#new#tearOff<T extends core::Object? = dynamic>() → self::B<self::B::_#new#tearOff::T%>; | 
 | } | 
 | class C<T extends core::Object? = dynamic> extends core::Object implements self::B<self::C::T%> { | 
 |   static final field dynamic _redirecting# = <dynamic>[#C3]/*isLegacy*/; | 
 |   static factory •<T extends core::Object? = dynamic>() → self::C<self::C::•::T%> | 
 |     return invalid-expression "pkg/front_end/testcases/dart2js/issue47916f.dart:14:17: Error: Cyclic definition of factory 'C'. | 
 |   const factory C() = B; | 
 |                 ^"; | 
 |   static method _#new#tearOff<T extends core::Object? = dynamic>() → self::C<self::C::_#new#tearOff::T%>; | 
 | } | 
 | static method test() → dynamic { | 
 |   #C4; | 
 |   #C5; | 
 |   #C6; | 
 | } | 
 | static method main() → dynamic {} | 
 |  | 
 | constants  { | 
 |   #C1 = constructor-tearoff self::A::• | 
 |   #C2 = constructor-tearoff self::B::• | 
 |   #C3 = constructor-tearoff self::C::• | 
 |   #C4 = static-tearoff self::A::_#new#tearOff | 
 |   #C5 = static-tearoff self::B::_#new#tearOff | 
 |   #C6 = static-tearoff self::C::_#new#tearOff | 
 | } |