id summary reporter owner description type status milestone component version severity resolution keywords cc 9991 WConversion issue in json_parser_write.hpp abhi.california@… Sebastian Redl "File Name: 1_54_0/boost/property_tree/detail/json_parser_write.hpp There is a severe problem with the -Wconversion issue in the json_parser_write.hpp Problematic code: else { const char *hexdigits = ""0123456789ABCDEF""; typedef typename make_unsigned::type UCh; unsigned long u = (std::min)(static_cast( static_cast(*b)), 0xFFFFul); ''' int d1 = u / 4096; u -= d1 * 4096; int d2 = u / 256; u -= d2 * 256; int d3 = u / 16; u -= d3 * 16; int d4 = u;''' result += Ch('\\'); result += Ch('u'); result += Ch(hexdigits[d1]); result += Ch(hexdigits[d2]); result += Ch(hexdigits[d3]); result += Ch(hexdigits[d4]); } Either we need to do explicit static cast to suppress the Conversion Warning. When we turn on the -Wconversion as well as -Werror both together, which is good practice for production ready code. compiler Just dont allow this to compile. the above need to be fixed." Bugs assigned To Be Determined property_tree Boost 1.54.0 Problem JSON property tree