{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"sess.target.implied_target_features(base_feature).into_iter().map(|f|"}]}
            sess.target.implied_target_features(base_feature).into_iter().map(|f| Symbol::intern(f))
            #[allow(rustc::potential_query_instability)]
        })