library; // // Problems in library: // // pkg/front_end/testcases/rasta/bad_default_constructor.dart:13:9: Error: Cannot invoke a non-'const' constructor where a const expression is expected. // Try using a constructor or factory that is 'const'. // const B(); // ^ // // pkg/front_end/testcases/rasta/bad_default_constructor.dart:9:7: Error: The superclass, 'A', has no unnamed constructor that takes no arguments. // class B extends A {} // ^ // import self as self; import "dart:core" as core; class A extends core::Object { constructor •(dynamic x) → 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 { synthetic constructor •() → self::B* : invalid-initializer ; } static method main() → dynamic { new self::B::•(); invalid-expression "pkg/front_end/testcases/rasta/bad_default_constructor.dart:13:9: Error: Cannot invoke a non-'const' constructor where a const expression is expected. Try using a constructor or factory that is 'const'. const B(); ^"; }