pkg/front_end/testcases/inference/infer_final_field_setter_only.dart

// Copyright (c) 2017, 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
/*@testedFeatures=inference*/
library test;

abstract class A {
  void set x(double value) {}
}

class B extends A {
  final x;

  B(this.x);
}

main() {}