id summary reporter owner description type status milestone component version severity resolution keywords cc 2745 save_array_type should use std::size_t not int boost@… Matthias Troyer "vendor\boost_1_37_0\boost/archive/detail/oserializer.hpp(482) : warning C4267: 'initializing' : conversion from 'size_t' to 'int', possible loss of data vendor\boost_1_37_0\boost/archive/detail/iserializer.hpp(480) : warning C4267: 'initializing' : conversion from 'size_t' to 'int', possible loss of data Should be using size_t I believe." Bugs closed Boost 1.39.0 serialization Boost 1.37.0 Problem fixed