{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"sync::assert_dyn_sync::<&'_"}]}
    sync::assert_dyn_sync::<&'_ GlobalCtxt<'_>>();
fn _assert_tcx_fields() {
    sync::assert_dyn_send::<&'_ GlobalCtxt<'_>>();