From dd3b0cbeaa340050bff85d6e52b407b89cd167a6 Mon Sep 17 00:00:00 2001
From: Steven Murray <Steven.Murray@cern.ch>
Date: Fri, 18 Oct 2019 11:29:02 +0200
Subject: [PATCH] Changed catch(std::out_of_range) to catch(std::out_of_range
 &) in order to avoid the following type of compilation error:
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../CTA/common/checksum/ChecksumBlob.hpp:145:18: error: catching polymorphic type ‘class std::out_of_range’ by value [-Werror=catch-value=]
     } catch(std::out_of_range) {
                  ^~~~~~~~~~~~
cc1plus: all warnings being treated as errors
---
 common/checksum/ChecksumBlob.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/checksum/ChecksumBlob.hpp b/common/checksum/ChecksumBlob.hpp
index 11d9c6f17b..12c4b4d26d 100644
--- a/common/checksum/ChecksumBlob.hpp
+++ b/common/checksum/ChecksumBlob.hpp
@@ -142,7 +142,7 @@ public:
   std::string at(ChecksumType type) const {
     try {
       return m_cs.at(type);
-    } catch(std::out_of_range) {
+    } catch(std::out_of_range &) {
       std::stringstream ss;
       ss << ChecksumTypeName.at(type) << " checksum not found. Checksum blob contents: "
          << *this;
-- 
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