1 files changed, 15 insertions, 0 deletions
diff --git a/src/librustc/metadata/tyencode.rs b/src/librustc/metadata/tyencode.rs
index 640b9649286..e1e9d49dd05 100644
--- a/src/librustc/metadata/tyencode.rs
+++ b/src/librustc/metadata/tyencode.rs
@@ -414,6 +414,21 @@ pub fn enc_type_param_def<'a, 'tcx>(w: &mut SeekableMemWriter, cx: &ctxt<'a, 'tc
              v.space.to_uint(), v.index);
     enc_bounds(w, cx, &v.bounds);
     enc_opt(w, v.default, |w, t| enc_ty(w, cx, t));
+    enc_object_lifetime_default(w, cx, v.object_lifetime_default);
+}
+
+fn enc_object_lifetime_default<'a, 'tcx>(w: &mut SeekableMemWriter,
+                                         cx: &ctxt<'a, 'tcx>,
+                                         default: Option<ty::ObjectLifetimeDefault>)
+{
+    match default {
+        None => mywrite!(w, "n"),
+        Some(ty::ObjectLifetimeDefault::Ambiguous) => mywrite!(w, "a"),
+        Some(ty::ObjectLifetimeDefault::Specific(r)) => {
+            mywrite!(w, "s");
+            enc_region(w, cx, r);
+        }
+    }
 }
 
 pub fn enc_predicate<'a, 'tcx>(w: &mut SeekableMemWriter,