--- old/src/share/vm/opto/multnode.cpp	2013-11-18 21:54:03.616153222 +0100
+++ new/src/share/vm/opto/multnode.cpp	2013-11-18 21:54:03.150383148 +0100
@@ -94,7 +94,7 @@
   if ((_con == TypeFunc::Parms) &&
       n->is_CallStaticJava() && n->as_CallStaticJava()->is_boxing_method()) {
     // The result of autoboxing is always non-null on normal path.
-    t = t->join(TypePtr::NOTNULL);
+    t = t->join(TypePtr::NOTNULL, true);
   }
   return t;
 }