From b053f0b5e68233f664d087f06fc5ebaec2f19f97 Mon Sep 17 00:00:00 2001
From: Patrick Walton <pcwalton@mimiga.net>
Date: Tue, 20 Nov 2012 13:01:02 -0800
Subject: [PATCH] libsyntax: Fix duplication of items that occurs if
 `#[deriving_eq]` is applied to a non-enum/non-struct. r=brson

---
 src/libsyntax/ext/deriving.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libsyntax/ext/deriving.rs b/src/libsyntax/ext/deriving.rs
index f3c2acff9326..8e5c82537169 100644
--- a/src/libsyntax/ext/deriving.rs
+++ b/src/libsyntax/ext/deriving.rs
@@ -49,7 +49,7 @@ pub fn expand_deriving_eq(cx: ext_ctxt,
                                                      enum_definition,
                                                      item.ident));
             }
-            _ => result.push(copy *item)    // XXX: Don't copy.
+            _ => ()
         }
     }
     dvec::unwrap(move result)