{"ast_node_type":"variable","tokens":[{"end":92,"kind":"keyword","start":0,"text":"let"}]}
        let mut deferred_repeat_expr_checks = self.deferred_repeat_expr_checks.borrow_mut();
    pub(in super::super) fn check_repeat_exprs(&self) {
        debug!("FnCtxt::check_repeat_exprs: {} deferred checks", deferred_repeat_expr_checks.len());