1 files changed, 5 insertions, 6 deletions
diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs
index ba00f16308e..852557ba796 100644
--- a/compiler/rustc_mir_transform/src/inline.rs
+++ b/compiler/rustc_mir_transform/src/inline.rs
@@ -7,8 +7,7 @@ use rustc_index::vec::Idx;
 use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, CodegenFnAttrs};
 use rustc_middle::mir::visit::*;
 use rustc_middle::mir::*;
-use rustc_middle::ty::subst::Subst;
-use rustc_middle::ty::{self, ConstKind, Instance, InstanceDef, ParamEnv, Ty, TyCtxt};
+use rustc_middle::ty::{self, Instance, InstanceDef, ParamEnv, Ty, TyCtxt};
 use rustc_session::config::OptLevel;
 use rustc_span::def_id::DefId;
 use rustc_span::{hygiene::ExpnKind, ExpnData, LocalExpnId, Span};
@@ -604,11 +603,11 @@ impl<'tcx> Inliner<'tcx> {
                 // `required_consts`, here we may not only have `ConstKind::Unevaluated`
                 // because we are calling `subst_and_normalize_erasing_regions`.
                 caller_body.required_consts.extend(
-                    callee_body.required_consts.iter().copied().filter(|&ct| {
-                        match ct.literal.const_for_ty() {
-                            Some(ct) => matches!(ct.kind(), ConstKind::Unevaluated(_)),
-                            None => true,
+                    callee_body.required_consts.iter().copied().filter(|&ct| match ct.literal {
+                        ConstantKind::Ty(_) => {
+                            bug!("should never encounter ty::UnevaluatedConst in `required_consts`")
                         }
+                        ConstantKind::Val(..) | ConstantKind::Unevaluated(..) => true,
                     }),
                 );
             }