From 7c5ec91301f31e7caff6524ab83b5bb5c614d5d7 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Mon, 9 Sep 2019 13:50:12 -0400
Subject: cmGeneratedFileStreamBase: Optimize string construction in Close

Use cmStrCat to concatenate two parts of a file name.

This also avoids a bugprone-exception-escape diagnostic from
clang-tidy-8 on macOS.
---
 Source/cmGeneratedFileStream.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Source/cmGeneratedFileStream.cxx b/Source/cmGeneratedFileStream.cxx
index 7475e9f..491d96f 100644
--- a/Source/cmGeneratedFileStream.cxx
+++ b/Source/cmGeneratedFileStream.cxx
@@ -4,6 +4,7 @@
 
 #include <stdio.h>
 
+#include "cmStringAlgorithms.h"
 #include "cmSystemTools.h"
 
 #if !defined(CMAKE_BOOTSTRAP)
@@ -149,7 +150,7 @@ bool cmGeneratedFileStreamBase::Close()
     // The destination is to be replaced.  Rename the temporary to the
     // destination atomically.
     if (this->Compress) {
-      std::string gzname = this->TempName + ".temp.gz";
+      std::string gzname = cmStrCat(this->TempName, ".temp.gz");
       if (this->CompressFile(this->TempName, gzname)) {
         this->RenameFile(gzname, resname);
       }
-- 
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