| // Copyright (c) 2013 Google Inc. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| #include <string> | |
| #ifndef _LIBCPP_VERSION | |
| #error expected std library: libc++ | |
| #endif | |
| int main() { std::string x; return x.size(); } | |