// Copyright (c) 2014, 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.

import "package:expect/expect.dart";

var global = 0;

bar() {
    global += 1;
}
baz() {
    global += 100;
}

foo(b) {
    var old_backend_was_used;
    if (b ? false : true) {
        bar();
        bar();
    } else {
        baz();
        baz();
    }
}

main() {
    foo(true);
    Expect.equals(200, global);

    foo(false);
    Expect.equals(202, global);
}
