id summary reporter owner description type status milestone component version severity resolution keywords cc 7964 'boost::system::error_code::unspecified_bool_type' : forcing value to bool 'true' or 'false' (performance warning) szx Beman Dawes "I'm getting the following warning on MSVC 11.0 when using boost::system::error_code in an if() statement: warning C4800: 'boost::system::error_code::unspecified_bool_type' : forcing value to bool 'true' or 'false' (performance warning) " Bugs closed To Be Determined system Boost Development Trunk Problem fixed