From ce03f129df5968c195af816cabf73149ca987906 Mon Sep 17 00:00:00 2001
From: scott snyder <sss@karma>
Date: Wed, 13 Jan 2021 10:56:26 -0500
Subject: [PATCH] InDetAlignmentMonitoring: Fix clang warnings.

Don't use references in a range-for if the object must be copised.
---
 .../InDetAlignmentMonitoring/src/IDAlignMonPVBiases.cxx       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/InnerDetector/InDetMonitoring/InDetAlignmentMonitoring/src/IDAlignMonPVBiases.cxx b/InnerDetector/InDetMonitoring/InDetAlignmentMonitoring/src/IDAlignMonPVBiases.cxx
index 26fe30499850..f544df41bb68 100644
--- a/InnerDetector/InDetMonitoring/InDetAlignmentMonitoring/src/IDAlignMonPVBiases.cxx
+++ b/InnerDetector/InDetMonitoring/InDetAlignmentMonitoring/src/IDAlignMonPVBiases.cxx
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
 */
 
 // **********************************************************************
@@ -526,7 +526,7 @@ StatusCode IDAlignMonPVBiases::fillHistograms()
   *******************************************************************/
   for (; track_itr!=track_itrE; ++track_itr) {
     const xAOD::Vertex* foundVertex = nullptr;
-    for (const auto& vx : *vertices)
+    for (const auto vx : *vertices)
     {
       for (const auto& tpLink : vx->trackParticleLinks())
       {
-- 
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