From 0aa0d3d633e46de5c85343aae213d3a8531f61a8 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Sat, 21 Apr 2012 10:51:42 +0000
Subject: [PATCH] YAMLParser: silence warning about tautological comparison on
 unsigned-char platforms.

No functionality change.

llvm-svn: 155280
---
 llvm/lib/Support/YAMLParser.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Support/YAMLParser.cpp b/llvm/lib/Support/YAMLParser.cpp
index 330519f3019d..9b5896de7aa1 100644
--- a/llvm/lib/Support/YAMLParser.cpp
+++ b/llvm/lib/Support/YAMLParser.cpp
@@ -658,7 +658,7 @@ std::string yaml::escape(StringRef Input) {
       EscapedInput += "\\r";
     else if (*i == 0x1B)
       EscapedInput += "\\e";
-    else if (*i >= 0 && *i < 0x20) { // Control characters not handled above.
+    else if ((unsigned char)*i < 0x20) { // Control characters not handled above.
       std::string HexStr = utohexstr(*i);
       EscapedInput += "\\x" + std::string(2 - HexStr.size(), '0') + HexStr;
     } else if (*i & 0x80) { // UTF-8 multiple code unit subsequence.