{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"debug!(\"FnCtxt::check_repeat_exprs:"}]}
        debug!("FnCtxt::check_repeat_exprs: {} deferred checks", deferred_repeat_expr_checks.len());
        let mut deferred_repeat_expr_checks = self.deferred_repeat_expr_checks.borrow_mut();