// Copyright (c) 2016, 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 yield statement adds an element to the result of a generator
/// function.
///  yieldStatement:
///    yield expression ‘;’
///   ;
///
/// @description Check that it is compile error if ';' is missing
/// in yield statement in synchronous generator function
///
/// @author a.semenov@unipro.ru


Iterable<int> test() sync* {
  yield 1
//      ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  test();
}
