/*
 * Copyright (c) 2018 - present Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */
struct A {
  A(int) {}
  void foo(){};
};

struct B : A {
  using A::A;
};

int main() { B b(5); }
