{"ast_node_type":"variable","tokens":[{"end":89,"kind":"keyword","start":0,"text":"let"}]}
        let message = dcx.eagerly_translate_to_string(message.clone(), diag.args.iter());
        let (message, _) = diag.messages.first().expect("`LlvmError` with no message");
        Diag::new(dcx, level, fluent::codegen_llvm_parse_target_machine_config)