{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"#[allow(rustc::untranslatable_diagnostic)]"}]}
            #[allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable
        if !$visitor.features.$feature() && !$span.allows_unstable(sym::$feature) {
            feature_err(&$visitor.sess, sym::$feature, $span, $explain).emit();