{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"can_const_prop:"}]}
            can_const_prop: IndexVec::from_elem(ConstPropMode::FullConstProp, &body.local_decls),
        let mut cpv = CanConstProp {
            found_assignment: DenseBitSet::new_empty(body.local_decls.len()),