From e8f83dbbd895493b7e8bbf2d7624103a1cb6ad6c Mon Sep 17 00:00:00 2001
From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Fri, 25 Jan 2013 14:57:21 +0000
Subject: [PATCH] Lexer.cpp: Fix a warning with ptrdiff_t on i686.
 [-Wsign-compare]

llvm-svn: 173447
---
 clang/lib/Lex/Lexer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/lib/Lex/Lexer.cpp b/clang/lib/Lex/Lexer.cpp
index 74efcfb25a8f..429780eaea33 100644
--- a/clang/lib/Lex/Lexer.cpp
+++ b/clang/lib/Lex/Lexer.cpp
@@ -2749,7 +2749,7 @@ uint32_t Lexer::tryReadUCN(const char *&StartPtr, const char *SlashLoc,
 
   if (Result) {
     Result->setFlag(Token::HasUCN);
-    if (CurPtr - StartPtr == NumHexDigits + 2)
+    if (CurPtr - StartPtr == (ptrdiff_t)NumHexDigits + 2)
       StartPtr = CurPtr;
     else
       while (StartPtr != CurPtr)
-- 
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