// TODO(multitest): This was automatically migrated from a multitest and may
// contain strange or dead code.

// @dart = 2.9

// Copyright (c) 2012, 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.

class Bar {
  Bar(val);
}

class Foo {
  var x;
  f() {}

  Foo() : x = 0;

  // fields can't be declared external













}




main() {
  // Ensure Foo class is compiled.
  var foo = new Foo();














}
