pkg/front_end/testcases/inference_new/infer_use_of_void.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;

class B {
  void f() {}
}

class C extends B {
  f() {}
}

var x = new C(). /*info:USE_OF_VOID_RESULT*/ /*@target=C.f*/ f();

main() {
  x;
}