1 files changed, 2 insertions, 3 deletions
diff --git a/compiler/rustc_mir_transform/src/copy_prop.rs b/compiler/rustc_mir_transform/src/copy_prop.rs
index f27beb64a..b571215f2 100644
--- a/compiler/rustc_mir_transform/src/copy_prop.rs
+++ b/compiler/rustc_mir_transform/src/copy_prop.rs
@@ -1,5 +1,5 @@
 use rustc_index::bit_set::BitSet;
-use rustc_index::vec::IndexVec;
+use rustc_index::vec::IndexSlice;
 use rustc_middle::mir::visit::*;
 use rustc_middle::mir::*;
 use rustc_middle::ty::TyCtxt;
@@ -102,7 +102,7 @@ struct Replacer<'a, 'tcx> {
     fully_moved: BitSet<Local>,
     storage_to_remove: BitSet<Local>,
     borrowed_locals: BitSet<Local>,
-    copy_classes: &'a IndexVec<Local, Local>,
+    copy_classes: &'a IndexSlice<Local, Local>,
 }
 
 impl<'tcx> MutVisitor<'tcx> for Replacer<'_, 'tcx> {
@@ -131,7 +131,6 @@ impl<'tcx> MutVisitor<'tcx> for Replacer<'_, 'tcx> {
             PlaceContext::NonMutatingUse(
                 NonMutatingUseContext::SharedBorrow
                 | NonMutatingUseContext::ShallowBorrow
-                | NonMutatingUseContext::UniqueBorrow
                 | NonMutatingUseContext::AddressOf,
             ) => true,
             // For debuginfo, merging locals is ok.