From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 21 Jan 2021 03:38:03 +0000 (-0700)
Subject: Add a couple of duplicate checks to avoid triggering array access warnings.
X-Git-Tag: v9.3.0-rc1~586^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac936da55c3cd8c562ac6b96c835c24bd4420f2a;p=dealii.git

Add a couple of duplicate checks to avoid triggering array access warnings.
---

diff --git a/source/grid/tria.cc b/source/grid/tria.cc
index 5eadb32ab4..cf30f4e356 100644
--- a/source/grid/tria.cc
+++ b/source/grid/tria.cc
@@ -4452,7 +4452,8 @@ namespace internal
                   ++next_unused_cell;
             }
 
-          if (cell->reference_cell_type() == ReferenceCell::Type::Tri)
+          if ((dim == 2) &&
+              (cell->reference_cell_type() == ReferenceCell::Type::Tri))
             {
               subcells[0]->set_bounding_object_indices({new_lines[0]->index(),
                                                         new_lines[8]->index(),
@@ -4502,7 +4503,8 @@ namespace internal
               // triangulation.levels[subcells[2]->level()]->face_orientations[subcells[2]->index()
               // * GeometryInfo<2>::faces_per_cell + 0] = 0;
             }
-          else if (cell->reference_cell_type() == ReferenceCell::Type::Quad)
+          else if ((dim == 2) &&
+                   (cell->reference_cell_type() == ReferenceCell::Type::Quad))
             {
               subcells[0]->set_bounding_object_indices(
                 {new_lines[0]->index(),