%handle = "tf.HashTable"() {container = "", device = "", shared_name = "table", key_dtype = !tf_type.string, value_dtype = i32} : () -> tensor<*x!tf_type.stringref>

  // CHECK: "tf.LookupTableSizeV2"([[handle]]
  // CHECK-SAME: device = ""
  %0 = "tf.LookupTableSize"(%handle) {device = ""} : (tensor<*x!tf_type.stringref>) -> tensor<i64>
  func.return %0 : tensor<i64>
}