Rollup merge of #64895 - davidtwco:issue-64130-async-error-definition, r=nikomatsakis

[rust.git] / src / librustc_mir / util / def_use.rs

diff --git a/src/librustc_mir/util/def_use.rs b/src/librustc_mir/util/def_use.rs
index fac752dbf023e9675fd7231f39b35bc7a90b2c65..3aea25fa8769fe708623e42c8b86a97c97ee9f7b 100644 (file)
--- a/src/librustc_mir/util/def_use.rs
+++ b/src/librustc_mir/util/def_use.rs
@@ -2,7 +2,7 @@
 
 use rustc::mir::{Local, Location, Body};
 use rustc::mir::visit::{PlaceContext, MutVisitor, Visitor};
-use rustc_data_structures::indexed_vec::IndexVec;
+use rustc_index::vec::IndexVec;
 use std::mem;
 
 pub struct DefUseAnalysis {
@@ -31,7 +31,7 @@ pub fn analyze(&mut self, body: &Body<'_>) {
         self.clear();
 
         let mut finder = DefUseFinder {
-            info: mem::replace(&mut self.info, IndexVec::new()),
+            info: mem::take(&mut self.info),
         };
         finder.visit_body(body);
         self.info = finder.info