id summary reporter owner description type status milestone component version severity resolution keywords cc 5401 variant.hpp does not compile with exceptions off anonymous ebf "uses try, throw, catch, with exceptions off, you cannot use throw(), try, catch, etc., hence BOOST_TRY, BOOST_CATCH, BOOST_RETHROW, boost::throw_exception()" Bugs closed To Be Determined variant Boost 1.47.0 Problem duplicate