{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"assert!(!pad_i32,"}]}
                assert!(!pad_i32, "padding support not yet implemented");
            PassMode::Cast { ref cast, pad_i32 } => {
                cast_target_to_abi_params(cast).into_iter().map(|(_, param)| param).collect()