// Copyright (c) 2017, 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.

/*@testedFeatures=inference*/
library test;

f() {
  List<int> o;
  o. /*@target=Iterable::forEach*/ forEach(
      /*@returnType=void*/ (/*@type=int*/ i) {
    return i /*@target=num::+*/ + 1;
  });
}

main() {}
