From 4cded6d9012bbfc77d13c7ef2a413402199a2a03 Mon Sep 17 00:00:00 2001
From: Shotaro Yamada <sinkuu@sinkuu.xyz>
Date: Wed, 2 Oct 2019 08:02:18 +0900
Subject: [PATCH] extern rustc_index

---
 clippy_lints/src/lib.rs             | 2 ++
 clippy_lints/src/redundant_clone.rs | 7 ++-----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs
index 3e31779426a..490f47424b1 100644
--- a/clippy_lints/src/lib.rs
+++ b/clippy_lints/src/lib.rs
@@ -27,6 +27,8 @@ extern crate rustc_driver;
 #[allow(unused_extern_crates)]
 extern crate rustc_errors;
 #[allow(unused_extern_crates)]
+extern crate rustc_index;
+#[allow(unused_extern_crates)]
 extern crate rustc_mir;
 #[allow(unused_extern_crates)]
 extern crate rustc_target;
diff --git a/clippy_lints/src/redundant_clone.rs b/clippy_lints/src/redundant_clone.rs
index c0f6f3ae76d..478ca2e04ff 100644
--- a/clippy_lints/src/redundant_clone.rs
+++ b/clippy_lints/src/redundant_clone.rs
@@ -13,12 +13,9 @@ use rustc::mir::{
 };
 use rustc::ty::{self, fold::TypeVisitor, Ty};
 use rustc::{declare_lint_pass, declare_tool_lint};
-use rustc_data_structures::{
-    bit_set::{BitSet, HybridBitSet},
-    fx::FxHashMap,
-    transitive_relation::TransitiveRelation,
-};
+use rustc_data_structures::{fx::FxHashMap, transitive_relation::TransitiveRelation};
 use rustc_errors::Applicability;
+use rustc_index::bit_set::{BitSet, HybridBitSet};
 use rustc_mir::dataflow::{
     do_dataflow, BitDenotation, BottomValue, DataflowResults, DataflowResultsCursor, DebugFormatted, GenKillSet,
 };