From 14b6cf6fd72f17f52f71b5fb79833489fb259bb3 Mon Sep 17 00:00:00 2001
From: Clemens Wasser <clemens.wasser@gmail.com>
Date: Mon, 11 Oct 2021 08:11:30 +0200
Subject: [PATCH] Remove unnecessary variable

---
 compiler/rustc_index/src/bit_set.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/compiler/rustc_index/src/bit_set.rs b/compiler/rustc_index/src/bit_set.rs
index d3c7a390cd5b..1995fd64e6f2 100644
--- a/compiler/rustc_index/src/bit_set.rs
+++ b/compiler/rustc_index/src/bit_set.rs
@@ -990,8 +990,7 @@ impl<R: Idx, C: Idx> BitMatrix<R, C> {
     pub fn insert_all_into_row(&mut self, row: R) {
         assert!(row.index() < self.num_rows);
         let (start, end) = self.range(row);
-        let words = &mut self.words[..];
-        for word in words[start..end].iter_mut() {
+        for word in self.words[start..end].iter_mut() {
             *word = !0;
         }
         self.clear_excess_bits(row);