1 files changed, 4 insertions, 4 deletions
diff --git a/compiler/rustc_middle/src/ty/abstract_const.rs b/compiler/rustc_middle/src/ty/abstract_const.rs
index 5de758ad9..f889ce827 100644
--- a/compiler/rustc_middle/src/ty/abstract_const.rs
+++ b/compiler/rustc_middle/src/ty/abstract_const.rs
@@ -1,7 +1,7 @@
 //! A subset of a mir body used for const evaluatability checking.
 use crate::ty::{
     self, Const, EarlyBinder, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeSuperFoldable,
-    TypeVisitable,
+    TypeVisitableExt,
 };
 use rustc_errors::ErrorGuaranteed;
 use rustc_hir::def_id::DefId;
@@ -48,13 +48,13 @@ impl<'tcx> TyCtxt<'tcx> {
         Ok(ac?.map(|ac| EarlyBinder(ac)))
     }
 
-    pub fn expand_abstract_consts<T: TypeFoldable<'tcx>>(self, ac: T) -> T {
+    pub fn expand_abstract_consts<T: TypeFoldable<TyCtxt<'tcx>>>(self, ac: T) -> T {
         struct Expander<'tcx> {
             tcx: TyCtxt<'tcx>,
         }
 
-        impl<'tcx> TypeFolder<'tcx> for Expander<'tcx> {
-            fn tcx(&self) -> TyCtxt<'tcx> {
+        impl<'tcx> TypeFolder<TyCtxt<'tcx>> for Expander<'tcx> {
+            fn interner(&self) -> TyCtxt<'tcx> {
                 self.tcx
             }
             fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> {