{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"rustc_session::EarlyDiagCtxt::new(rustc_session::config::ErrorOutputType::default());"}]}
            rustc_session::EarlyDiagCtxt::new(rustc_session::config::ErrorOutputType::default());
        let handler =
        handler.early_warn(format!("error writing ir file: {}", err));