From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 23 Mar 2022 17:21:30 +0000 (-0600)
Subject: Avoid a copy of a vector.
X-Git-Tag: v9.4.0-rc1~343^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F13571%2Fhead;p=dealii.git

Avoid a copy of a vector.
---

diff --git a/source/grid/tria.cc b/source/grid/tria.cc
index ea2dc6fa2f..1174e3f9f0 100644
--- a/source/grid/tria.cc
+++ b/source/grid/tria.cc
@@ -14642,10 +14642,9 @@ Triangulation<dim, spacedim>::update_reference_cells()
     if (cell->is_locally_owned())
       reference_cells_set.insert(cell->reference_cell());
 
-  std::vector<ReferenceCell> reference_cells(reference_cells_set.begin(),
-                                             reference_cells_set.end());
-
-  this->reference_cells = reference_cells;
+  this->reference_cells =
+    std::vector<ReferenceCell>(reference_cells_set.begin(),
+                               reference_cells_set.end());
 }