diff --git a/casts.cpp b/casts.cpp
index c66afea..91607ef 100644
--- a/casts.cpp
+++ b/casts.cpp
@@ -64,7 +64,7 @@ int main() {
 
   std::cout << "== ccast" << std::endl;
   ccast(&a);
-  ccast(&base);
+  ccast(&base); // XXX actually works!
 
   std::cout << "== staticcast" << std::endl;
   staticcast(&a);