From 1d3b5478fad0ce427c0973175c68a4eb52b340d7 Mon Sep 17 00:00:00 2001
From: Graydon Hoare <graydon@mozilla.com>
Date: Tue, 14 Aug 2012 12:10:51 -0700
Subject: [PATCH] Silence unused-variable warning.

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

diff --git a/src/libsyntax/ext/tt/macro_rules.rs b/src/libsyntax/ext/tt/macro_rules.rs
index 8abe8d8309d..38191065074 100644
--- a/src/libsyntax/ext/tt/macro_rules.rs
+++ b/src/libsyntax/ext/tt/macro_rules.rs
@@ -47,7 +47,7 @@ fn add_new_extension(cx: ext_ctxt, sp: span, name: ident,
     };
 
     // Given `lhses` and `rhses`, this is the new macro we create
-    fn generic_extension(cx: ext_ctxt, sp: span, name: ident,
+    fn generic_extension(cx: ext_ctxt, sp: span, _name: ident,
                          arg: ~[ast::token_tree],
                          lhses: ~[@named_match], rhses: ~[@named_match])
     -> mac_result {