id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc 3927,system_error::what() doesn't incorporate code.message() if this->code().value() == 0,Dmitry Goncharov ,Beman Dawes,"if error_code is given 0 as the first argument then system_error::what() ignores code().message(). This piece of code {{{ boost::system::error_code const ec(0, boost::system::system_category); boost::system::system_error se(ec); cout << se.what() << endl; }}} will not print anything. ""Success"" is expected. ",Bugs,closed,Boost 1.43.0,system,Boost 1.42.0,Problem,fixed,,