id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
8604	constexpr does not imply 'const' in C++14	Marshall Clow	viboes	"In C++11, constexpr methods are implicitly const. In C++14, they are not.

Chrono has four methods that are marked as constexpr, but not const.
They should be marked const.
 "	Bugs	closed	Boost 1.54.0	chrono	Boost 1.53.0	Problem	fixed