Index: libs/serialization/test/B.hpp
===================================================================
--- libs/serialization/test/B.hpp	(revision 84007)
+++ libs/serialization/test/B.hpp	(working copy)
@@ -67,6 +67,7 @@
             ar >> BOOST_SERIALIZATION_NVP(v);
             ar >> BOOST_SERIALIZATION_NVP(w);
             ar >> BOOST_SERIALIZATION_NVP(x);
+            break;
         default:
             break;
         }