diff --git a/lib/VMCore/Pass.cpp b/lib/VMCore/Pass.cpp
index 987712a2dc0..a60877db2f6 100644
--- a/lib/VMCore/Pass.cpp
+++ b/lib/VMCore/Pass.cpp
@@ -331,7 +331,7 @@ void cleanupPassRegistrar(void*) {
     PassRegistrarObj = 0;
   }
 }
-ManagedCleanup<&cleanupPassRegistrar> registrarCleanup;
+ManagedCleanup<&cleanupPassRegistrar> registrarCleanup ATTRIBUTE_USED;
 
 }