{"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"cx.eval_instance(instance)"}]}
        cx.eval_instance(instance)
        let const_ty = const_ty.internal(&mut *tables, cx.tcx);
            .map(|const_val| alloc::try_new_allocation(const_ty, const_val, &mut *tables, cx))