diff --git a/include/boost/type_traits/common_type.hpp b/include/boost/type_traits/common_type.hpp
index 58525fd..74b0363 100644
--- a/include/boost/type_traits/common_type.hpp
+++ b/include/boost/type_traits/common_type.hpp
@@ -120,6 +120,11 @@ namespace type_traits_detail {
     public:
         typedef BOOST_TYPEOF_TPL(declval_b() ? declval_T() : declval_U()) type;
 #endif
+
+#if defined(__GNUC__) && __GNUC__ == 3 && (__GNUC_MINOR__ == 2 || __GNUC_MINOR__ == 3)
+    public:
+        void public_dummy_function_just_to_silence_warning();
+#endif
     };
 
     template <class T>
diff --git a/include/boost/type_traits/is_virtual_base_of.hpp b/include/boost/type_traits/is_virtual_base_of.hpp
index 98ab159..8dcd988 100644
--- a/include/boost/type_traits/is_virtual_base_of.hpp
+++ b/include/boost/type_traits/is_virtual_base_of.hpp
@@ -22,7 +22,7 @@ namespace detail {
 
 #ifdef BOOST_MSVC
 #pragma warning( push )
-#pragma warning( disable : 4584 )
+#pragma warning( disable : 4584 4250)
 #elif defined __GNUC__
 #pragma GCC system_header
 #endif