Index: chain.hpp
===================================================================
--- chain.hpp	(revision 80420)
+++ chain.hpp	(working copy)
@@ -44,6 +44,9 @@
 # include <boost/mpl/int.hpp>
 #endif
 
+// Must come last.
+#include <boost/iostreams/detail/config/disable_warnings.hpp>
+
 // Sometimes type_info objects must be compared by name. Borrowed from
 // Boost.Python and Boost.Function.
 #if (defined(__GNUC__) && __GNUC__ >= 3) || \
@@ -595,4 +598,6 @@
 
 } } // End namespaces iostreams, boost.
 
+#include <boost/iostreams/detail/config/enable_warnings.hpp>
+
 #endif // #ifndef BOOST_IOSTREAMS_DETAIL_CHAIN_HPP_INCLUDED
Index: detail/config/disable_warnings.hpp
===================================================================
--- detail/config/disable_warnings.hpp	(revision 80420)
+++ detail/config/disable_warnings.hpp	(working copy)
@@ -14,7 +14,9 @@
 # pragma warning(disable:4130)    // Logical operation on address of string constant.
 # pragma warning(disable:4224)    // Parameter previously defined as type.
 # pragma warning(disable:4244)    // Conversion: possible loss of data.
+# pragma warning(disable:4250)    // inherits via dominance
 # pragma warning(disable:4512)    // Assignment operator could not be generated.
+# pragma warning(disable:4702)    // Unreachable code.
 # pragma warning(disable:4706)    // Assignment within conditional expression.
 # if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
 #  pragma warning(disable:6334)   // sizeof applied to an expression with an operator.
Index: stream.hpp
===================================================================
--- stream.hpp	(revision 80420)
+++ stream.hpp	(working copy)
@@ -23,6 +23,9 @@
 #include <boost/type_traits/is_convertible.hpp>
 #include <boost/utility/base_from_member.hpp>
 
+// Must come last.
+#include <boost/iostreams/detail/config/disable_warnings.hpp>
+
 namespace boost { namespace iostreams { namespace detail {
 
 template<typename Device, typename Tr>
@@ -148,4 +151,6 @@
 
 #endif // #ifdef BOOST_IOSTREAMS_BROKEN_OVERLOAD_RESOLUTION
 
+#include <boost/iostreams/detail/config/enable_warnings.hpp>
+
 #endif // #ifndef BOOST_IOSTREAMS_stream_HPP_INCLUDED