{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"(Nomem)"}]}
    (Nomem)          => { exp!(@sym, nomem,           SymNomem) };
    (MayUnwind)      => { exp!(@sym, may_unwind,      SymMayUnwind) };
    (Noreturn)       => { exp!(@sym, noreturn,        SymNoreturn) };