pkg/front_end/testcases/inference_new/infer_instance_accessor_ref.dart.textual_outline.expect

// @dart = 2.9
library test;

class A {
  B b;
}

class B {
  C get c => null;
  void set c(C value) {}
}

class C {}

class D extends C {}

var a = new A();
var x = a.b.c;
var y = a.b.c ??= new D();
main() {}