// Copyright (c) 2019, 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 an error for a variable to be declared as late in any of the
/// following positions: in a formal parameter list of any kind; in a catch
/// clause; in the variable binding section of a c-style for loop, a for in loop,
/// an await for loop, or a for element in a collection literal.
///
/// @description Check that it is an error if variable declared late in the
/// variable binding section of a c-style for loop
/// @author sgrekhov@unipro.ru


main() {
  for (late int i = 0; i < 3; i++) {
//     ^^^^
// [analyzer] unspecified
// [cfe] unspecified
  }
}
