From bb1e3bc1e0be2b8f891db46457a8943451bf4d8b Mon Sep 17 00:00:00 2001
From: rdivacky <rdivacky@FreeBSD.org>
Date: Fri, 1 Jan 2010 10:34:51 +0000
Subject: Updaet clang to 92395.

---
 lib/Lex/Preprocessor.cpp | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

(limited to 'lib/Lex/Preprocessor.cpp')

diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index d4e441b..81966cb 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -446,19 +446,10 @@ void Preprocessor::EnterMainSourceFile() {
   if (const FileEntry *FE = SourceMgr.getFileEntryForID(MainFileID))
     HeaderInfo.IncrementIncludeCount(FE);
 
-  std::vector<char> PrologFile;
-  PrologFile.reserve(4080);
-
-  // FIXME: Don't make a copy.
-  PrologFile.insert(PrologFile.end(), Predefines.begin(), Predefines.end());
-
-  // Memory buffer must end with a null byte!
-  PrologFile.push_back(0);
-
-  // Now that we have emitted the predefined macros, #includes, etc into
-  // PrologFile, preprocess it to populate the initial preprocessor state.
+  // Preprocess Predefines to populate the initial preprocessor state.
   llvm::MemoryBuffer *SB =
-    llvm::MemoryBuffer::getMemBufferCopy(&PrologFile.front(),&PrologFile.back(),
+    llvm::MemoryBuffer::getMemBufferCopy(Predefines.data(),
+                                         Predefines.data() + Predefines.size(),
                                          "<built-in>");
   assert(SB && "Cannot fail to create predefined source buffer");
   FileID FID = SourceMgr.createFileIDForMemBuffer(SB);
-- 
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