allow tests to refer to ItemVariances

nikomatsakis · nikomatsakis · commit 3819ccda9c84 · 2017-05-03T16:42:07.000-04:00
diff --git a/src/librustc/dep_graph/dep_node.rs b/src/librustc/dep_graph/dep_node.rs
@@ -181,6 +181,7 @@ impl<D: Clone + Debug> DepNode<D> {
             TransCrateItem,
             AssociatedItems,
             ItemSignature,
+            ItemVariances,
             IsForeignItem,
             AssociatedItemDefIds,
             InherentImpls,
