From c7551a4843e84abfd5fa0fbd056f5f1ec96c86ae Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Sun, 31 May 2015 11:18:05 +0000
Subject: [PATCH] [Format] Move UnwrappedLines instead of copying.

No functional change intended.

llvm-svn: 238673
---
 clang/lib/Format/UnwrappedLineParser.cpp | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp
index 662606cf4ccd..83cbe7642cb7 100644
--- a/clang/lib/Format/UnwrappedLineParser.cpp
+++ b/clang/lib/Format/UnwrappedLineParser.cpp
@@ -1762,15 +1762,12 @@ void UnwrappedLineParser::addUnwrappedLine() {
     if (CurrentLines == &Lines)
       printDebugInfo(*Line);
   });
-  CurrentLines->push_back(*Line);
+  CurrentLines->push_back(std::move(*Line));
   Line->Tokens.clear();
   if (CurrentLines == &Lines && !PreprocessorDirectives.empty()) {
-    for (SmallVectorImpl<UnwrappedLine>::iterator
-             I = PreprocessorDirectives.begin(),
-             E = PreprocessorDirectives.end();
-         I != E; ++I) {
-      CurrentLines->push_back(*I);
-    }
+    CurrentLines->append(
+        std::make_move_iterator(PreprocessorDirectives.begin()),
+        std::make_move_iterator(PreprocessorDirectives.end()));
     PreprocessorDirectives.clear();
   }
 }