1 files changed, 1 insertions, 2 deletions
diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs
index 5d2dda8b0e7..f196bd04d0e 100644
--- a/compiler/rustc_borrowck/src/lib.rs
+++ b/compiler/rustc_borrowck/src/lib.rs
@@ -1557,9 +1557,8 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, '_, 'tcx> {
                 );
             }
 
-            &(Rvalue::Len(place) | Rvalue::Discriminant(place)) => {
+            &Rvalue::Discriminant(place) => {
                 let af = match *rvalue {
-                    Rvalue::Len(..) => Some(ArtificialField::ArrayLength),
                     Rvalue::Discriminant(..) => None,
                     _ => unreachable!(),
                 };