1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/mir/consts.rs b/compiler/rustc_middle/src/mir/consts.rs
index 7983329b0f7..786d26f3edd 100644
--- a/compiler/rustc_middle/src/mir/consts.rs
+++ b/compiler/rustc_middle/src/mir/consts.rs
@@ -463,6 +463,9 @@ impl<'tcx> Const<'tcx> {
                 let const_val = tcx.valtree_to_const_val((ty, valtree));
                 Self::Val(const_val, ty)
             }
+            ty::ConstKind::Unevaluated(ty::UnevaluatedConst { def, args }) => {
+                Self::Unevaluated(UnevaluatedConst { def, args, promoted: None }, ty)
+            }
             _ => Self::Ty(ty, c),
         }
     }