dart-sdk/tests/ffi_2/regress_49402_test.dart

// Copyright (c) 2022, 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

import 'dart:ffi';

class A implements Finalizable {}

void b([A a]) {}

void main() {
  b();
}