1 files changed, 8 insertions, 7 deletions
diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs
index f0787d286fd..e42350dc5e6 100644
--- a/src/librustdoc/clean/mod.rs
+++ b/src/librustdoc/clean/mod.rs
@@ -42,7 +42,8 @@ use rustc_errors::{FatalError, struct_span_code_err};
 use rustc_hir::PredicateOrigin;
 use rustc_hir::def::{CtorKind, DefKind, Res};
 use rustc_hir::def_id::{DefId, DefIdMap, DefIdSet, LOCAL_CRATE, LocalDefId};
-use rustc_hir_analysis::lower_ty;
+use rustc_hir_analysis::hir_ty_lowering::FeedConstTy;
+use rustc_hir_analysis::{lower_const_arg_for_rustdoc, lower_ty};
 use rustc_middle::metadata::Reexport;
 use rustc_middle::middle::resolve_bound_vars as rbv;
 use rustc_middle::ty::{self, AdtKind, GenericArgsRef, Ty, TyCtxt, TypeVisitableExt, TypingMode};
@@ -435,10 +436,10 @@ fn clean_middle_term<'tcx>(
 fn clean_hir_term<'tcx>(term: &hir::Term<'tcx>, cx: &mut DocContext<'tcx>) -> Term {
     match term {
         hir::Term::Ty(ty) => Term::Type(clean_ty(ty, cx)),
-        hir::Term::Const(c) => Term::Constant(clean_middle_const(
-            ty::Binder::dummy(ty::Const::from_const_arg(cx.tcx, c, ty::FeedConstTy::No)),
-            cx,
-        )),
+        hir::Term::Const(c) => {
+            let ct = lower_const_arg_for_rustdoc(cx.tcx, c, FeedConstTy::No);
+            Term::Constant(clean_middle_const(ty::Binder::dummy(ct), cx))
+        }
     }
 }
 
@@ -625,7 +626,7 @@ fn clean_generic_param<'tcx>(
             (param.name.ident().name, GenericParamDefKind::Const {
                 ty: Box::new(clean_ty(ty, cx)),
                 default: default.map(|ct| {
-                    Box::new(ty::Const::from_const_arg(cx.tcx, ct, ty::FeedConstTy::No).to_string())
+                    Box::new(lower_const_arg_for_rustdoc(cx.tcx, ct, FeedConstTy::No).to_string())
                 }),
                 synthetic,
             })
@@ -1813,7 +1814,7 @@ pub(crate) fn clean_ty<'tcx>(ty: &hir::Ty<'tcx>, cx: &mut DocContext<'tcx>) -> T
                     // `const_eval_poly` tries to first substitute generic parameters which
                     // results in an ICE while manually constructing the constant and using `eval`
                     // does nothing for `ConstKind::Param`.
-                    let ct = ty::Const::from_const_arg(cx.tcx, const_arg, ty::FeedConstTy::No);
+                    let ct = lower_const_arg_for_rustdoc(cx.tcx, const_arg, FeedConstTy::No);
                     let ct = if let hir::ConstArgKind::Anon(hir::AnonConst { def_id, .. }) =
                         const_arg.kind
                     {