|  | library; | 
|  | // | 
|  | // Problems in library: | 
|  | // | 
|  | // pkg/front_end/testcases/nnbd/issue43276.dart:6:14: Error: The parameter 'i' can't have a value of 'null' because of its type 'int', but the implicit default value is 'null'. | 
|  | // Try adding either an explicit non-'null' default value or the 'required' modifier. | 
|  | //   C.gen({int i}); // error | 
|  | //              ^ | 
|  | // | 
|  | // pkg/front_end/testcases/nnbd/issue43276.dart:8:23: Error: The parameter 'i' can't have a value of 'null' because of its type 'int', but the implicit default value is 'null'. | 
|  | // Try adding either an explicit non-'null' default value or the 'required' modifier. | 
|  | //   factory C.fact({int i}) /* error */ { | 
|  | //                       ^ | 
|  | // | 
|  | import self as self; | 
|  | import "dart:core" as core; | 
|  |  | 
|  | class C extends core::Object { | 
|  | constructor gen({erroneously-initialized core::int i = #C1}) → self::C | 
|  | : super core::Object::•() | 
|  | ; | 
|  | static factory fact({erroneously-initialized core::int i = #C1}) → self::C { | 
|  | return new self::C::gen(); | 
|  | } | 
|  | static factory redirect({core::int i = #C1}) → self::C /* redirection-target: self::C::gen */ | 
|  | return new self::C::gen(i: i); | 
|  | } | 
|  | class D extends core::Object { | 
|  | synthetic constructor •() → self::D | 
|  | : super core::Object::•() | 
|  | ; | 
|  | } | 
|  | static method main() → dynamic {} | 
|  |  | 
|  | constants  { | 
|  | #C1 = null | 
|  | } |