From 7b353f215f75309d2ce28449efa9654ffe33df8c Mon Sep 17 00:00:00 2001
From: Eduard-Mihai Burtescu <edy.burt@gmail.com>
Date: Tue, 11 Jun 2019 12:48:58 +0300
Subject: [PATCH] rustc_borrowck: deny(unused_lifetimes).

---
 src/librustc_borrowck/borrowck/mod.rs | 2 +-
 src/librustc_borrowck/lib.rs          | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/librustc_borrowck/borrowck/mod.rs b/src/librustc_borrowck/borrowck/mod.rs
index 7dca47485bb9..669fb9103aaa 100644
--- a/src/librustc_borrowck/borrowck/mod.rs
+++ b/src/librustc_borrowck/borrowck/mod.rs
@@ -1487,7 +1487,7 @@ impl DataFlowOperator for LoanDataFlowOperator {
     }
 }
 
-impl<'tcx> fmt::Debug for InteriorKind {
+impl fmt::Debug for InteriorKind {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match *self {
             InteriorField(mc::FieldIndex(_, info)) => write!(f, "{}", info),
diff --git a/src/librustc_borrowck/lib.rs b/src/librustc_borrowck/lib.rs
index 14bc77f380ac..5d8b0cd14dd2 100644
--- a/src/librustc_borrowck/lib.rs
+++ b/src/librustc_borrowck/lib.rs
@@ -3,6 +3,7 @@
 #![allow(non_camel_case_types)]
 #![deny(rust_2018_idioms)]
 #![deny(internal)]
+#![deny(unused_lifetimes)]
 
 #![feature(nll)]