From 6d94b41285a91c1520f88ce0decbcdc69c171fce Mon Sep 17 00:00:00 2001
From: scott snyder <sss@karma>
Date: Wed, 4 Nov 2020 11:52:43 -0500
Subject: [PATCH] TrkDetDescrSvc: Fix clang warning.

Spurious copy in for loop.
---
 .../TrkDetDescrSvc/TrkDetDescrSvc/TrackingGeometryMirror.h      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Tracking/TrkDetDescr/TrkDetDescrSvc/TrkDetDescrSvc/TrackingGeometryMirror.h b/Tracking/TrkDetDescr/TrkDetDescrSvc/TrkDetDescrSvc/TrackingGeometryMirror.h
index 8ae68a04577..cca22df5e43 100644
--- a/Tracking/TrkDetDescr/TrkDetDescrSvc/TrkDetDescrSvc/TrackingGeometryMirror.h
+++ b/Tracking/TrkDetDescr/TrkDetDescrSvc/TrkDetDescrSvc/TrackingGeometryMirror.h
@@ -44,7 +44,7 @@ namespace Trk {
 
       template <class T_Ostream>
       void dump(T_Ostream &out, const std::string &head) const {
-         for(const std::pair<const Layer*,int> &bound_layers : m_boundaryLayers) {
+         for(const std::pair<const Layer* const ,int> &bound_layers : m_boundaryLayers) {
             out << head << " [" << bound_layers.second  << "] ";
             dumpLayer(out, "",bound_layers.first);
          }
-- 
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