From: Daniel Garcia-Sanchez <daniel.garcia-sanchez@insp.upmc.fr>
Date: Thu, 25 Apr 2019 18:36:03 +0000 (+0200)
Subject: Exchange vectors in std::vector::swap()
X-Git-Tag: v9.1.0-rc1~175^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F7965%2Fhead;p=dealii.git

Exchange vectors in std::vector::swap()
---

diff --git a/examples/step-18/step-18.cc b/examples/step-18/step-18.cc
index 035991a020..cef0f64dde 100644
--- a/examples/step-18/step-18.cc
+++ b/examples/step-18/step-18.cc
@@ -1639,7 +1639,7 @@ namespace Step18
     // includes setting the stress variables to zero.
     {
       std::vector<PointHistory<dim>> tmp;
-      tmp.swap(quadrature_point_history);
+      quadrature_point_history.swap(tmp);
     }
     quadrature_point_history.resize(our_cells * quadrature_formula.size());