{"ast_node_type":"other","tokens":[{"end":28,"kind":"keyword","start":0,"text":"dcx:"}]}
    dcx: DiagCtxtHandle<'_>,
    each_linked_rlib_for_lto: &[PathBuf],
) -> Result<(Vec<CString>, Vec<(SerializedModule<ModuleBuffer>, CString)>), FatalError> {