// 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.

/// ignore: IMPORT_INTERNAL_LIBRARY
import 'dart:_js_helper';

/*element: main:[]*/
main() {
  passMapToNull();
}

/*element: _passMapToNull:[passMapToNull]*/
_passMapToNull(f) {
  f({});
}

/*element: passMapToNull:[]*/
@NoInline()
passMapToNull() {
  _passMapToNull(null);
}