{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"//"}]}
        // all codegen-specific attributes are `AssumedUsed` in rustc_ast::feature_gate.
        // here, since that is running before codegen. This is also the reason why
        all_attrs.report_unchecked_attrs(dirty_clean_visitor.checked_attrs);