From 2e018efa9be05c7dc30bc816e9db8b49a2791405 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Fri, 27 May 2016 13:36:58 +0000
Subject: Turn copies into references as suggested by clang-tidy's
 performance-unnecessary-copy-initialization.

llvm-svn: 270994
---
 clang/lib/Frontend/DependencyFile.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'clang/lib/Frontend/DependencyFile.cpp')

diff --git a/clang/lib/Frontend/DependencyFile.cpp b/clang/lib/Frontend/DependencyFile.cpp
index 93d4a803469..a9b61282378 100644
--- a/clang/lib/Frontend/DependencyFile.cpp
+++ b/clang/lib/Frontend/DependencyFile.cpp
@@ -177,7 +177,7 @@ public:
       SeenMissingHeader(false),
       IncludeModuleFiles(Opts.IncludeModuleFiles),
       OutputFormat(Opts.OutputFormat) {
-    for (auto ExtraDep : Opts.ExtraDeps) {
+    for (const auto &ExtraDep : Opts.ExtraDeps) {
       AddFilename(ExtraDep);
     }
   }
-- 
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