{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"//"}]}
    // with a fatal error, which is inconvenient for users and hard to debug.
    // If a region is improperly ordered (end < start), `llvm-cov` will exit
    let is_ordered = (start_line, start_col) <= (end_line, end_col);