{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"if"}]}
        if matches!(flavor, LinkerFlavor::Gnu(Cc::Yes, Lld::Yes))
        // circa RHEL/CentOS 7, 4.5 or so, whereas lld support was added in GCC 9.
            && unknown_arg_regex.is_match(&out)