id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
12967	boost::none_t should be a literal type like std::nullopt_t	Matt Rice <citrusmoose@…>	Fernando Cacciola	The `boost::none_t` explicit constructor is not `constexpr` making it a non literal type.  `std::nullopt_t`'s constructor is constexpr making it a non-aggregate literal type as dictated by the standard.	Bugs	new	Boost 1.68.0	optional	Boost 1.67.0	Problem