{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"set.insert_range(RETURN_PLACE..=Local::from_usize(body.arg_count));"}]}
    set.insert_range(RETURN_PLACE..=Local::from_usize(body.arg_count));
    let mut set = DenseBitSet::new_empty(body.local_decls.len());
    for (local, decl) in body.local_decls().iter_enumerated() {