{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"codegen_units.sort_by_key(|cgu|"}]}
        codegen_units.sort_by_key(|cgu| cmp::Reverse(cgu.size_estimate()));
        // `XYZ-cgu.1`, `XYZ-cgu.10`, `XYZ-cgu.11`, ..., `XYZ-cgu.2`, etc.
        let num_digits = codegen_units.len().ilog10() as usize + 1;