Ticket #8482: iostreams.patch

boost/iostreams/code_converter.hpp

@@ -393 +393 @@
 
         switch (result) {
         case std::codecvt_base::partial:
-            partial = true; // Fall through.
+            partial = true;
+            BOOST_FALLTHROUGH;
         case std::codecvt_base::ok:
             total = static_cast<std::streamsize>(nint - s);
             break;