syntax: fix fallout from using ptr::P.

1 files changed, 5 insertions, 7 deletions

diff --git a/src/libsyntax/ext/deriving/zero.rs b/src/libsyntax/ext/deriving/zero.rs
index 973f9d518cd..7f265b529ff 100644
--- a/src/libsyntax/ext/deriving/zero.rs
+++ b/src/libsyntax/ext/deriving/zero.rs
@@ -15,14 +15,13 @@ use ext::build::AstBuilder;
 use ext::deriving::generic::*;
 use ext::deriving::generic::ty::*;
 use parse::token::InternedString;
-
-use std::gc::Gc;
+use ptr::P;
 
 pub fn expand_deriving_zero(cx: &mut ExtCtxt,
                             span: Span,
-                            mitem: Gc<MetaItem>,
-                            item: Gc<Item>,
-                            push: |Gc<Item>|) {
+                            mitem: &MetaItem,
+                            item: &Item,
+                            push: |P<Item>|) {
     let inline = cx.meta_word(span, InternedString::new("inline"));
     let attrs = vec!(cx.attribute(span, inline));
     let trait_def = TraitDef {
@@ -63,8 +62,7 @@ pub fn expand_deriving_zero(cx: &mut ExtCtxt,
     trait_def.expand(cx, mitem, item, push)
 }
 
-fn zero_substructure(cx: &mut ExtCtxt, trait_span: Span,
-                     substr: &Substructure) -> Gc<Expr> {
+fn zero_substructure(cx: &mut ExtCtxt, trait_span: Span, substr: &Substructure) -> P<Expr> {
     let zero_ident = vec!(
         cx.ident_of("std"),
         cx.ident_of("num"),