{"ast_node_type":"other","tokens":[{"end":29,"kind":"keyword","start":0,"text":"ty::tls::with(|tcx|"}]}
        ty::tls::with(|tcx| {
    fn into_diag_arg(self, path: &mut Option<std::path::PathBuf>) -> rustc_errors::DiagArgValue {
            let ty = tcx.short_string(self, path);