| // Copyright 2020 Peter Dimov |
| // Distributed under the Boost Software License, Version 1.0. |
| // https://www.boost.org/LICENSE_1_0.txt |
| |
| #include <boost/shared_ptr.hpp> |
| #include <boost/smart_ptr/enable_shared_from.hpp> |
| |
| struct X: public boost::enable_shared_from |
| { |
| }; |
| |
| #if defined(__clang__) && defined(_MSC_VER) |
| // clang-cl claims that it accepts this code for compatibility |
| // with msvc, but no version of msvc accepts it |
| # pragma clang diagnostic error "-Wmicrosoft-using-decl" |
| #endif |
| |
| int main() |
| { |
| boost::shared_ptr<X> px( new X ); |
| px->weak_from_this(); |
| } |