{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"enum_or_coroutine_type_di_node:"}]}
    enum_or_coroutine_type_di_node: &'ll DIType,
    enum_or_coroutine_type_and_layout: TyAndLayout<'tcx>,
) -> Option<&'ll DIType> {