Boost C++ Libraries: Ticket #13359: windows_intermodule_singleton.hpp line 118, for version 1.62 throws warning error for possible loss of data https://svn.boost.org/trac10/ticket/13359 <p> 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 &amp; 0xFFFFFFFF); </p> en-us Boost C++ Libraries /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/13359 Trac 1.4.3 John Maddock Thu, 10 May 2018 11:59:21 GMT component changed; owner set https://svn.boost.org/trac10/ticket/13359#comment:1 https://svn.boost.org/trac10/ticket/13359#comment:1 <ul> <li><strong>owner</strong> set to <span class="trac-author">Ion Gaztañaga</span> </li> <li><strong>component</strong> <span class="trac-field-old">None</span> → <span class="trac-field-new">interprocess</span> </li> </ul> Ticket