{"ast_node_type":"variable","tokens":[{"end":71,"kind":"keyword","start":0,"text":"let"}]}
        let (alloc, def_id) = match self.tcx.try_get_global_alloc(id) {
    ) -> InterpResult<'tcx, Cow<'tcx, Allocation<M::Provenance, M::AllocExtra, M::Bytes>>> {
            Some(GlobalAlloc::Memory(mem)) => {