{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"split_extern_opt(&early_dcx,"}]}
        split_extern_opt(&early_dcx, unstable_opts, "priv,noprelude:foo=libbar.rlib").unwrap();
    let extern_opt =
    assert_eq!(extern_opt.crate_name, "foo");