id summary reporter owner description type status milestone component version severity resolution keywords cc 11959 boost::is_copy_constructible triggers copy constructor generation on Visual Studio 2013 Update 4 vivien.millet@… John Maddock "When using boost::is_copy_constructible on Visual Studio 2013 (Update 4, not tested with Update 5), the compiler generates a copy constructor and produces an error if the copy constructor cannot be generated. On the other side, std::is_copy_constructible is implemented and works fine. As a result, it would be a solution to make boost::is_copy_constructible inherit from std::is_copy_constructible on this specific compiler version." Bugs closed To Be Determined type_traits Boost 1.60.0 Problem wontfix