1 files changed, 19 insertions, 14 deletions
diff --git a/compiler/rustc_middle/src/ty/fold.rs b/compiler/rustc_middle/src/ty/fold.rs
index 067516917ef..4ea4050ed8b 100644
--- a/compiler/rustc_middle/src/ty/fold.rs
+++ b/compiler/rustc_middle/src/ty/fold.rs
@@ -280,21 +280,26 @@ impl<'tcx> TyCtxt<'tcx> {
         T: TypeFoldable<TyCtxt<'tcx>>,
     {
         let shift_bv = |bv: ty::BoundVar| ty::BoundVar::from_usize(bv.as_usize() + bound_vars);
-        self.replace_escaping_bound_vars_uncached(value, FnMutDelegate {
-            regions: &mut |r: ty::BoundRegion| {
-                ty::Region::new_bound(self, ty::INNERMOST, ty::BoundRegion {
-                    var: shift_bv(r.var),
-                    kind: r.kind,
-                })
+        self.replace_escaping_bound_vars_uncached(
+            value,
+            FnMutDelegate {
+                regions: &mut |r: ty::BoundRegion| {
+                    ty::Region::new_bound(
+                        self,
+                        ty::INNERMOST,
+                        ty::BoundRegion { var: shift_bv(r.var), kind: r.kind },
+                    )
+                },
+                types: &mut |t: ty::BoundTy| {
+                    Ty::new_bound(
+                        self,
+                        ty::INNERMOST,
+                        ty::BoundTy { var: shift_bv(t.var), kind: t.kind },
+                    )
+                },
+                consts: &mut |c| ty::Const::new_bound(self, ty::INNERMOST, shift_bv(c)),
             },
-            types: &mut |t: ty::BoundTy| {
-                Ty::new_bound(self, ty::INNERMOST, ty::BoundTy {
-                    var: shift_bv(t.var),
-                    kind: t.kind,
-                })
-            },
-            consts: &mut |c| ty::Const::new_bound(self, ty::INNERMOST, shift_bv(c)),
-        })
+        )
     }
 
     /// Replaces any late-bound regions bound in `value` with `'erased`. Useful in codegen but also