library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/general/abstract_instantiation.dart:8:17: Error: Factory redirects to class 'A', which is abstract and can't be instantiated.
//   factory B() = A;
//                 ^
//
// pkg/front_end/testcases/general/abstract_instantiation.dart:8:17: Error: The constructor function type 'A Function()' isn't a subtype of 'B Function()'.
//  - 'A' is from 'pkg/front_end/testcases/general/abstract_instantiation.dart'.
//  - 'B' is from 'pkg/front_end/testcases/general/abstract_instantiation.dart'.
//   factory B() = A;
//                 ^
//
import self as self;
import "dart:core" as core;

abstract class A extends core::Object {
  synthetic constructor •() → self::A
    ;
}
abstract class B extends core::Object implements self::A {
  static final field dynamic _redirecting# = <dynamic>[self::B::•]/*isLegacy*/;
  static factory •() → self::B
    return invalid-expression "pkg/front_end/testcases/general/abstract_instantiation.dart:8:17: Error: The constructor function type 'A Function()' isn't a subtype of 'B Function()'.
 - 'A' is from 'pkg/front_end/testcases/general/abstract_instantiation.dart'.
 - 'B' is from 'pkg/front_end/testcases/general/abstract_instantiation.dart'.
  factory B() = A;
                ^";
}
static method test() → dynamic
  ;
static method main() → dynamic
  ;