Boost C++ Libraries: Ticket #8390: type conversion warning in VC11 https://svn.boost.org/trac10/ticket/8390 <p> +++ b/3rd-party/boost/boost/iostreams/copy.hpp Thu Apr 04 12:53:57 2013 +0200 @@ -125,7 +125,14 @@ </p> <blockquote> <p> mpl::false_, mpl::false_ ) </p> </blockquote> <blockquote> <p> { </p> <blockquote> <p> typedef typename char_type_of&lt;Source&gt;::type char_type; </p> </blockquote> </blockquote> <p> +#ifdef BOOST_WINDOWS_API +#pragma warning(push) +#pragma warning(disable : 4244) +#endif </p> <blockquote> <p> detail::basic_buffer&lt;char_type&gt; buf(buffer_size); </p> </blockquote> <p> +#ifdef BOOST_WINDOWS_API +#pragma warning(pop) +#endif </p> en-us Boost C++ Libraries /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/8390 Trac 1.4.3