id summary reporter owner description type status milestone component version severity resolution keywords cc 13188 VS2017 reports typecast error in two_bit_color_map.hpp peter.johnson@… Jeremiah Willcock "line 61 of boost/graph/two_bit_color_map.hpp, final parameter causes an int32 to unsigned char type conversion warning. Maybe resolved by changing line 61 to: std::fill(data.get(), data.get() + (n + elements_per_char - 1) / elements_per_char, static_cast(white_color)); " Patches new To Be Determined graph Boost 1.65.0 Problem