{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"//"}]}
        // Exactly one type, `UnsafeCell`, has the `HasMutInterior` qualif inherently.
    fn is_structural_in_adt_value<'tcx>(_cx: &ConstCx<'_, 'tcx>, adt: AdtDef<'tcx>) -> bool {
        // It arises structurally for all other types.