1 files changed, 5 insertions, 1 deletions
diff --git a/lib/VMCore/Pass.cpp b/lib/VMCore/Pass.cpp
index 6b941f34996e..a60877db2f62 100644
--- a/lib/VMCore/Pass.cpp
+++ b/lib/VMCore/Pass.cpp
@@ -318,6 +318,8 @@ static PassRegistrar *getPassRegistrar() {
   return PassRegistrarObj;
 }
 
+namespace {
+
 // FIXME: We use ManagedCleanup to erase the pass registrar on shutdown.
 // Unfortunately, passes are registered with static ctors, and having
 // llvm_shutdown clear this map prevents successful ressurection after 
@@ -329,7 +331,9 @@ void cleanupPassRegistrar(void*) {
     PassRegistrarObj = 0;
   }
 }
-ManagedCleanup<&cleanupPassRegistrar> registrarCleanup;
+ManagedCleanup<&cleanupPassRegistrar> registrarCleanup ATTRIBUTE_USED;
+
+}
 
 // getPassInfo - Return the PassInfo data structure that corresponds to this
 // pass...