From d37e30a99ecebf7ff27de1b7dcf1bbbf11fde225 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Fri, 3 Apr 2020 22:02:43 -0600
Subject: [PATCH] Add a missing assertion.

---
 source/base/data_out_base.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/base/data_out_base.cc b/source/base/data_out_base.cc
index 57c38a64a2..a5bf5d30ae 100644
--- a/source/base/data_out_base.cc
+++ b/source/base/data_out_base.cc
@@ -5070,6 +5070,10 @@ namespace DataOutBase
     std::vector<bool> data_set_written(n_data_sets, false);
     for (const auto &nonscalar_data_range : nonscalar_data_ranges)
       {
+        AssertThrow(std::get<3>(nonscalar_data_range) !=
+                      DataComponentInterpretation::component_is_part_of_tensor,
+                    ExcNotImplemented());
+
         AssertThrow(std::get<1>(nonscalar_data_range) >=
                       std::get<0>(nonscalar_data_range),
                     ExcLowerRange(std::get<1>(nonscalar_data_range),
-- 
2.39.5