| library; | 
 | // | 
 | // Problems in library: | 
 | // | 
 | // pkg/front_end/testcases/extensions/issue38600.dart:7:1: Error: Expected 'on' after this. | 
 | // extension try<T> on Class<T> {} | 
 | // ^^^^^^^^^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/issue38600.dart:7:11: Error: Expected a type, but got 'try'. | 
 | // extension try<T> on Class<T> {} | 
 | //           ^^^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/issue38600.dart:7:11: Error: A extension declaration must have a body, even if it is empty. | 
 | // Try adding an empty body. | 
 | // extension try<T> on Class<T> {} | 
 | //           ^^^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/issue38600.dart:7:11: Error: 'try' can't be used as an identifier because it's a keyword. | 
 | // Try renaming this to be an identifier that isn't a keyword. | 
 | // extension try<T> on Class<T> {} | 
 | //           ^^^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/issue38600.dart:7:11: Error: A function declaration needs an explicit list of parameters. | 
 | // Try adding a parameter list to the function declaration. | 
 | // extension try<T> on Class<T> {} | 
 | //           ^^^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/issue38600.dart:7:18: Error: Expected '{' before this. | 
 | // extension try<T> on Class<T> {} | 
 | //                  ^^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/issue38600.dart:7:21: Error: A function declaration needs an explicit list of parameters. | 
 | // Try adding a parameter list to the function declaration. | 
 | // extension try<T> on Class<T> {} | 
 | //                     ^^^^^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/issue38600.dart:7:21: Error: 'Class' is already declared in this scope. | 
 | // extension try<T> on Class<T> {} | 
 | //                     ^^^^^ | 
 | // pkg/front_end/testcases/extensions/issue38600.dart:5:7: Context: Previous declaration of 'Class'. | 
 | // class Class<T> {} | 
 | //       ^^^^^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/issue38600.dart:7:18: Error: Type 'on' not found. | 
 | // extension try<T> on Class<T> {} | 
 | //                  ^^ | 
 | // | 
 | import self as self; | 
 | import "dart:core" as core; | 
 |  | 
 | class Class<T extends core::Object* = dynamic> extends core::Object { | 
 |   synthetic constructor •() → self::Class<self::Class::T*>* | 
 |     : super core::Object::•() | 
 |     ; | 
 |   abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode | 
 |   abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf | 
 |   abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf | 
 |   abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue | 
 |   abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse | 
 |   abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::== | 
 |   abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode | 
 |   abstract member-signature method toString() → core::String*; -> core::Object::toString | 
 |   abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod | 
 |   abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType | 
 | } | 
 | extension _extension#0 on invalid-type { | 
 | } | 
 | static method try<T extends core::Object* = dynamic>() → dynamic {} | 
 | static method main() → dynamic {} |