From 9dd65dd6243dc9cfee1381fc3f926aad9387df07 Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <japaricious@gmail.com>
Date: Fri, 2 Jan 2015 08:15:20 -0500
Subject: [PATCH] rustc_driver: fix fallout

---
 src/librustc_driver/lib.rs    | 1 +
 src/librustc_driver/pretty.rs | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/librustc_driver/lib.rs b/src/librustc_driver/lib.rs
index be55da8c59d..9a993de098e 100644
--- a/src/librustc_driver/lib.rs
+++ b/src/librustc_driver/lib.rs
@@ -26,6 +26,7 @@
 #![feature(slicing_syntax, unsafe_destructor)]
 #![feature(rustc_diagnostic_macros)]
 #![feature(unboxed_closures)]
+#![feature(associated_types)]
 
 extern crate arena;
 extern crate flate;
diff --git a/src/librustc_driver/pretty.rs b/src/librustc_driver/pretty.rs
index a046d9d5d39..561099550ce 100644
--- a/src/librustc_driver/pretty.rs
+++ b/src/librustc_driver/pretty.rs
@@ -345,7 +345,9 @@ enum NodesMatchingUII<'a, 'ast: 'a> {
     NodesMatchingSuffix(ast_map::NodesMatchingSuffix<'a, 'ast>),
 }
 
-impl<'a, 'ast> Iterator<ast::NodeId> for NodesMatchingUII<'a, 'ast> {
+impl<'a, 'ast> Iterator for NodesMatchingUII<'a, 'ast> {
+    type Item = ast::NodeId;
+
     fn next(&mut self) -> Option<ast::NodeId> {
         match self {
             &NodesMatchingDirect(ref mut iter) => iter.next(),