{"ast_node_type":"other","tokens":[{"end":9,"kind":"keyword","start":0,"text":"}"}]}
        }
            ret.write_cvalue(fx, CValue::by_val(cb_out, fx.layout_of(fx.tcx.types.u8)));
        "llvm.x86.subborrow.32" | "llvm.x86.subborrow.64" => {