Index: traits.hpp
===================================================================
--- traits.hpp	(revision 45790)
+++ traits.hpp	(working copy)
@@ -74,10 +74,6 @@
 
 #endif // #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES //----------------------//
 
-#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
-# pragma warning(pop)
-#endif
-
 template<typename T>
 struct is_std_io
     : mpl::or_< is_istream<T>, is_ostream<T>, is_streambuf<T> >
@@ -369,6 +365,10 @@
     typedef typename traits_type::pos_type  pos_type; \
     /**/
 
+#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
+# pragma warning(pop)
+#endif
+
 } } // End namespaces iostreams, boost.
 
 #endif // #ifndef BOOST_IOSTREAMS_IO_TRAITS_HPP_INCLUDED