From 86948adfdedb35051e55f41e865ee0ead6f53471 Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <japaricious@gmail.com>
Date: Wed, 14 Jan 2015 19:21:14 -0500
Subject: [PATCH] fix unused import error

---
 src/librustc/middle/region.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/librustc/middle/region.rs b/src/librustc/middle/region.rs
index 5d33a7efd3be..8dcbc74f0eb6 100644
--- a/src/librustc/middle/region.rs
+++ b/src/librustc/middle/region.rs
@@ -22,6 +22,8 @@ use util::nodemap::{FnvHashMap, FnvHashSet, NodeMap};
 use util::common::can_reach;
 
 use std::cell::RefCell;
+// NOTE(stage0) remove import after a snapshot
+#[cfg(stage0)]
 use std::hash::{Hash};
 use syntax::codemap::Span;
 use syntax::{ast, visit};