YAMLParser: silence warning about tautological comparison on unsigned-char platforms.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155280 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/YAMLParser.cpp b/lib/Support/YAMLParser.cpp
index 330519f..9b5896d 100644
--- a/lib/Support/YAMLParser.cpp
+++ b/lib/Support/YAMLParser.cpp
@@ -658,7 +658,7 @@
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.