id summary reporter owner description type status milestone component version severity resolution keywords cc 11269 "Fusion adapting an ""empty"" struct is no longer possible in boost 1.58" Dennis Brentjes Joel de Guzman "The following examples fails to compile with boost 1.58 with -std=c++11, but does compile with 1.57 (and -std=c++11). If you test the code with the 1.58 release you need to add the -DBOOST_NO_CXX11_CONSTEXPR flag to workaround #11211 {{{ #include struct X {}; BOOST_FUSION_ADAPT_STRUCT( X, ) int main() { return 0; } }}}" Bugs closed To Be Determined fusion Boost 1.58.0 Regression fixed