1 files changed, 3 insertions, 0 deletions
diff --git a/src/libsyntax/visit.rs b/src/libsyntax/visit.rs
index 649052d123c..b32ed15b50f 100644
--- a/src/libsyntax/visit.rs
+++ b/src/libsyntax/visit.rs
@@ -405,6 +405,9 @@ pub fn walk_ty<'v, V: Visitor<'v>>(visitor: &mut V, typ: &'v Ty) {
             visitor.visit_expr(&**expression)
         }
         TyInfer => {}
+        TyMac(ref mac) => {
+            visitor.visit_mac(mac)
+        }
     }
 }