id summary reporter owner description type status milestone component version severity resolution keywords cc 13396 Added macro BOOST_NO_CXX11_DEFAULTED_MOVES akrzemi1 John Maddock "Some compilers (GCC 4.4, 4.5, MSVC 12) have added support for defaulted functions and rvalue references, but move constructor and move assignment are not treated as special member functions yet so they cannot be defaulted. The corresponding pull request: https://github.com/boostorg/config/pull/205" Feature Requests closed To Be Determined config Boost 1.66.0 Problem duplicate