{"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"ExternAbi::Unadjusted"}]}
        ExternAbi::Unadjusted => {
        | ExternAbi::EfiApi => Ok(()),
            Err(UnstableAbi { abi, feature: sym::abi_unadjusted, explain: GateReason::ImplDetail })