{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"extern_crate"}]}
    extern_crate => { cdata.extern_crate.map(|c| &*tcx.arena.alloc(c)) }
    panic_in_drop_strategy => { cdata.root.panic_in_drop_strategy }
    is_no_builtins => { cdata.root.no_builtins }