{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"//"}]}
        // - Codegen flags, e.g. `pt-level` of `-opt-level`.
        // - C compiler flag, e.g. `optimize`, `o0`, `o1`, `o2`, `o3`, `ofast`.
        if optgroups.iter().any(|option| eq_ignore_separators(option.long_name(), filename))