1 files changed, 20 insertions, 0 deletions
diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs
index 2802ad3c3e3..4dc4e69aa55 100644
--- a/src/libsyntax/feature_gate.rs
+++ b/src/libsyntax/feature_gate.rs
@@ -305,6 +305,26 @@ impl<'a, 'v> Visitor<'v> for PostExpansionVisitor<'a> {
                                        many unsafe patterns and may be \
                                        removed in the future");
                 }
+
+                if attr::contains_name(i.attrs[],
+                                       "old_orphan_check") {
+                    self.gate_feature(
+                        "old_orphan_check",
+                        i.span,
+                        "the new orphan check rules will eventually be strictly enforced");
+                }
+
+                for item in items.iter() {
+                    match *item {
+                        ast::MethodImplItem(_) => {}
+                        ast::TypeImplItem(ref typedef) => {
+                            self.gate_feature("associated_types",
+                                              typedef.span,
+                                              "associated types are \
+                                               experimental")
+                        }
+                    }
+                }
             }
 
             _ => {}