{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"CValue::by_val(ret_val,"}]}
            CValue::by_val(ret_val, fx.layout_of(ty))
            let ret_val = fx.lib_call(name, input_tys, vec![AbiParam::new(clif_ty)], &args)[0];
        }