id summary reporter owner description type status milestone component version severity resolution keywords cc 13359 windows_intermodule_singleton.hpp line 118, for version 1.62 throws warning error for possible loss of data anonymous Ion Gaztañaga "It happens for vs12 compiler, for windows_intermodule_singleton.hpp line 118. Fix is simple, just mask it appropriately: initial_count = boost::uint32_t(caster.addr_uint64 & 0xFFFFFFFF);" Bugs new To Be Determined interprocess Boost 1.62.0 Cosmetic vs12 warning