// Copyright (c) 2011, 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.

/// @assertion It is a static type warning if the type of e may not be assigned
/// to bool.
/// @description Checks that it is a compile error if the type of e may not
/// be assigned to bool.
/// @author rodionov

int f() {return 1;}

main() {
  while (f()) {
//       ^
// [analyzer] unspecified
// [cfe] unspecified
    print("foo");
    break;
  }
}

