lib/Support/YAMLParser.cpp

668       std::string HexStr = utohexstr(*i);
669       EscapedInput += "\\x" + std::string(2 - HexStr.size(), '0') + HexStr;
690         std::string HexStr = utohexstr(UnicodeScalarValue.first);
691         if (HexStr.size() <= 2)
692           EscapedInput += "\\x" + std::string(2 - HexStr.size(), '0') + HexStr;
693         else if (HexStr.size() <= 4)
694           EscapedInput += "\\u" + std::string(4 - HexStr.size(), '0') + HexStr;
695         else if (HexStr.size() <= 8)
696           EscapedInput += "\\U" + std::string(8 - HexStr.size(), '0') + HexStr;