From a36707bffd41d5197cf7b081c7594b5663106586 Mon Sep 17 00:00:00 2001
From: Florian Hartwig <florian.j.hartwig@gmail.com>
Date: Thu, 19 Nov 2015 20:19:19 +0100
Subject: [PATCH] Appease clippy by not shadowing variables

---
 src/methods.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/methods.rs b/src/methods.rs
index 858a5a3dc..b8c640254 100644
--- a/src/methods.rs
+++ b/src/methods.rs
@@ -154,14 +154,14 @@ fn get_error_type<'a>(cx: &LateContext, ty: ty::Ty<'a>) -> Option<ty::Ty<'a>> {
 // conservative, i.e. it should not return false positives, but will return
 // false negatives.
 fn has_debug_impl<'a, 'b>(ty: ty::Ty<'a>, cx: &LateContext<'b, 'a>) -> bool {
-    let ty = walk_ptrs_ty(ty);
+    let no_ref_ty = walk_ptrs_ty(ty);
     let debug = match cx.tcx.lang_items.debug_trait() {
         Some(debug) => debug,
         None => return false
     };
     let debug_def = cx.tcx.lookup_trait_def(debug);
     let mut debug_impl_exists = false;
-    debug_def.for_each_relevant_impl(cx.tcx, ty, |d| {
+    debug_def.for_each_relevant_impl(cx.tcx, no_ref_ty, |d| {
         let self_ty = &cx.tcx.impl_trait_ref(d).and_then(|im| im.substs.self_ty());
         if let Some(self_ty) = *self_ty {
             if !self_ty.flags.get().contains(ty::TypeFlags::HAS_PARAMS) {