{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":")"}]}
    ) -> InterpResult<'tcx, Option<(&'tcx mir::Body<'tcx>, ty::Instance<'tcx>)>> {
        _unwind: mir::UnwindAction, // unwinding is not supported in consts
        debug!("find_mir_or_eval_fn: {:?}", orig_instance);