{"ast_node_type":"variable","tokens":[{"end":77,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(ref incr_comp_session_dir) = cgcx.incr_comp_session_dir {
    /*let (key_map_path, prev_key_map, curr_key_map) =
            let path = incr_comp_session_dir.join(THIN_LTO_KEYS_INCR_COMP_FILE_NAME);