{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"for"}]}
    for (bb, data) in traversal::mono_reachable(body, tcx, instance) {
    let mut visitor = MoveCheckVisitor { tcx, instance, body, move_size_spans: vec![] };
        visitor.visit_basic_block_data(bb, data)