// 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 The return statement returns a result to the caller of a
/// synchronous function, completes the future associated with an asynchronous
/// function or terminates the stream or iterable associated with a generator.
/// returnStatement:
///   return expression? ';'
/// ;
/// @description Checks that it is a compile-time error if a return statement
/// does not end with a semicolon.
/// @author vasya


foo() {
  return "foo"
//       ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {}
