{"ast_node_type":"other","tokens":[{"end":10,"kind":"keyword","start":0,"text":"else"}]}
    else {
    let &(ty::Closure(def_id, _) | ty::CoroutineClosure(def_id, _)) = closure_env_type.kind()
        bug!("build_closure_env_di_node() called with non-closure-type: {:?}", closure_env_type)