pkg/front_end/testcases/general/override_inference_for_setters.dart

// Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart=2.9
class B {
  num get foo => null;
  set foo(dynamic newFoo) {}
}

class A extends B {
  set foo(newFoo) {}
}

main() {}