diff --git a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
index 2932af10c27..5db4797aebb 100644
--- a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
@@ -508,10 +508,12 @@ namespace {
                  Seq(S_None) {}
 
     void SetKnownPositiveRefCount() {
+      DEBUG(dbgs() << "Setting Known Positive.\n");
       KnownPositiveRefCount = true;
     }
 
     void ClearKnownPositiveRefCount() {
+      DEBUG(dbgs() << "Clearing Known Positive.\n");
       KnownPositiveRefCount = false;
     }