From 82fbf490b56e0b070cbcfaf1568c496340cd6e8a Mon Sep 17 00:00:00 2001
From: Rolf Eike Beer <eike@sf-mail.de>
Date: Mon, 22 Dec 2014 21:38:59 +0100
Subject: [PATCH] cmCTestTestHandler: take reference to temporary string
 instead of doing a copy

This will increase the lifetime of the temporary until the end of the function.
---
 Source/CTest/cmCTestTestHandler.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/CTest/cmCTestTestHandler.cxx b/Source/CTest/cmCTestTestHandler.cxx
index f330e584b..a058501f2 100644
--- a/Source/CTest/cmCTestTestHandler.cxx
+++ b/Source/CTest/cmCTestTestHandler.cxx
@@ -1317,7 +1317,7 @@ void cmCTestTestHandler::AttachFiles(std::ostream& os,
       result->Properties->AttachedFiles.begin();
       file != result->Properties->AttachedFiles.end(); ++file)
     {
-    std::string base64 = this->CTest->Base64GzipEncodeFile(*file);
+    const std::string &base64 = this->CTest->Base64GzipEncodeFile(*file);
     std::string fname = cmSystemTools::GetFilenameName(*file);
     os << "\t\t<NamedMeasurement name=\"Attached File\" encoding=\"base64\" "
       "compression=\"tar/gzip\" filename=\"" << fname << "\" type=\"file\">"