{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"#[allow(dead_code)]"}]}
    #[allow(dead_code)] // FIXME(81658): should be used + lint reinstated after #83171 relands.
    fn check_for_self_assign(&mut self, assign: &'tcx hir::Expr<'tcx>) {