{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"intrinsic_args!(fx,"}]}
            intrinsic_args!(fx, args => (arg); intrinsic);
        sym::simd_expose_provenance | sym::simd_with_exposed_provenance | sym::simd_cast_ptr => {
            ret.write_cvalue_transmute(fx, arg);