1 files changed, 1 insertions, 1 deletions
diff --git a/lib/ARCMigrate/Internals.h b/lib/ARCMigrate/Internals.h
index a65b329c5b03..4f153b1ad2f4 100644
--- a/lib/ARCMigrate/Internals.h
+++ b/lib/ARCMigrate/Internals.h
@@ -73,7 +73,7 @@ public:
 
   bool clearDiagnostic(ArrayRef<unsigned> IDs, SourceRange range);
   bool clearAllDiagnostics(SourceRange range) {
-    return clearDiagnostic(ArrayRef<unsigned>(), range);
+    return clearDiagnostic(None, range);
   }
   bool clearDiagnostic(unsigned ID1, unsigned ID2, SourceRange range) {
     unsigned IDs[] = { ID1, ID2 };