id summary reporter owner description type status milestone component version severity resolution keywords cc 10891 Uneeded usage of namespace causes problems for the compiler anonymous Matthias Schabel "Problem due to unnecessary {{{ using namespace detail; }}} on several occasions in boost/units/cmath.hpp Compare Boost ticket 8651 (https://svn.boost.org/trac/boost/ticket/8651) for the equivalent workaround in variant and Gcc bug 57524 (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57524) for original bug." Bugs new To Be Determined units Boost 1.57.0 Problem