{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"remove_unwanted_expansion_spans(&mut"}]}
    remove_unwanted_expansion_spans(&mut covspans);
    covspans.sort_by(|a, b| graph.cmp_in_dominator_order(a.bcb, b.bcb));
    shrink_visible_macro_spans(tcx, &mut covspans);