From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 22 Jun 2023 21:34:00 +0000 (-0600)
Subject: Add an assertion.
X-Git-Tag: relicensing~856^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F15443%2Fhead;p=dealii.git

Add an assertion.
---

diff --git a/include/deal.II/grid/tria_accessor.templates.h b/include/deal.II/grid/tria_accessor.templates.h
index 3cb323f56d..d063945984 100644
--- a/include/deal.II/grid/tria_accessor.templates.h
+++ b/include/deal.II/grid/tria_accessor.templates.h
@@ -3479,6 +3479,7 @@ template <int dim, int spacedim>
 inline TriaIterator<TriaAccessor<dim - 1, dim, spacedim>>
 CellAccessor<dim, spacedim>::face(const unsigned int i) const
 {
+  AssertIndexRange(i, this->n_faces());
   return dealii::internal::CellAccessorImplementation::get_face(*this, i);
 }