From: David Wells <drwells@email.unc.edu>
Date: Mon, 16 Jan 2023 18:09:42 +0000 (-0500)
Subject: Re-implement a compiler warning workaround
X-Git-Tag: v9.5.0-rc1~641^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F14687%2Fhead;p=dealii.git

Re-implement a compiler warning workaround
---

diff --git a/source/grid/tria.cc b/source/grid/tria.cc
index 78ca6cecbb..00740c5c45 100644
--- a/source/grid/tria.cc
+++ b/source/grid/tria.cc
@@ -5716,7 +5716,10 @@ namespace internal
                     const std::array<unsigned int, 12> line_indices =
                       TriaAccessorImplementation::Implementation::
                         get_line_indices_of_cell(*hex);
-                    for (unsigned int l = 0; l < hex->n_lines(); ++l)
+                    // avoid a compiler warning by fixing the max number of
+                    // loop iterations to 12
+                    const unsigned int n_lines = std::min(hex->n_lines(), 12u);
+                    for (unsigned int l = 0; l < n_lines; ++l)
                       {
                         raw_line_iterator line(&triangulation,
                                                0,