| library; | 
 | // | 
 | // Problems in library: | 
 | // | 
 | // pkg/front_end/testcases/regress/issue_31198.dart:8:8: Error: Can't use 'super' as an expression. | 
 | // To delegate a constructor to a super constructor, put the super call as an initializer. | 
 | //   B(): super().foo() {} | 
 | //        ^ | 
 | // | 
 | // pkg/front_end/testcases/regress/issue_31198.dart:8:16: Error: Expected an initializer. | 
 | //   B(): super().foo() {} | 
 | //                ^ | 
 | // | 
 | import self as self; | 
 | import "dart:core" as core; | 
 |  | 
 | abstract class A extends core::Object { | 
 |   synthetic constructor •() → self::A* | 
 |     : 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 | 
 | } | 
 | class B extends self::A { | 
 |   constructor •() → self::B* | 
 |     : final dynamic #t1 = invalid-expression "pkg/front_end/testcases/regress/issue_31198.dart:8:8: Error: Can't use 'super' as an expression. | 
 | To delegate a constructor to a super constructor, put the super call as an initializer. | 
 |   B(): super().foo() {} | 
 |        ^".foo() {} | 
 | } | 
 | static method bad() → dynamic { | 
 |   new self::B::•(); | 
 | } | 
 | static method main() → dynamic {} |