auto merge of #13704 : edwardw/rust/doc-hidden, r=alexcrichton

[rust.git] / src / libsyntax / ext / deriving / default.rs

diff --git a/src/libsyntax/ext/deriving/default.rs b/src/libsyntax/ext/deriving/default.rs
index e89e25dd26c8337eeb0d7b62688bcd0c9d34b60b..c225906ed2babafcf00398b5b991b8423cd1fcfc 100644 (file)
--- a/src/libsyntax/ext/deriving/default.rs
+++ b/src/libsyntax/ext/deriving/default.rs
@@ -37,7 +37,9 @@ pub fn expand_deriving_default(cx: &mut ExtCtxt,
                 ret_ty: Self,
                 attributes: attrs,
                 const_nonmatching: false,
-                combine_substructure: default_substructure
+                combine_substructure: combine_substructure(|a, b, c| {
+                    default_substructure(a, b, c)
+                })
             })
     };
     trait_def.expand(cx, mitem, item, push)