diff --git a/lib/Analysis/Consumed.cpp b/lib/Analysis/Consumed.cpp
index 43e2153..b004083 100644
--- a/lib/Analysis/Consumed.cpp
+++ b/lib/Analysis/Consumed.cpp
@@ -74,6 +74,7 @@
     return true;
   case CS_None:
   case CS_Unknown:
+  default:
     return false;
   }
 }