From b6c08a64145485a7c233761220b8d82b74aa7546 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]

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173447 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Lex/Lexer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Lex/Lexer.cpp b/lib/Lex/Lexer.cpp
index 74efcfb25a..429780eaea 100644
--- a/lib/Lex/Lexer.cpp
+++ b/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)
-- 
2.40.0