{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"//"}]}
                // Recurse with the new expected type.
                let new_pat_info = PatInfo { binding_mode, max_ref_mutbl, ..old_pat_info };
                self.check_pat_inner(pat, opt_path_res, adjust_mode, inner_ty, new_pat_info)