Index: io/ios_state.hpp
===================================================================
--- io/ios_state.hpp	(revision 66)
+++ io/ios_state.hpp	(working copy)
@@ -226,6 +226,9 @@
         { s_save_.fill( a_save_ ); }
 
 private:
+    typedef basic_ios_fill_saver this_type;
+    this_type& operator=(this_type const&);
+
     state_type &       s_save_;
     aspect_type const  a_save_;
 };
@@ -251,6 +254,9 @@
         { s_save_.imbue( a_save_ ); }
 
 private:
+    typedef basic_ios_locale_saver this_type;
+    this_type& operator=(this_type const&);
+
     state_type &       s_save_;
     aspect_type const  a_save_;
 };