Use8BitAdvanceAndUpdateLineNumbers  233 Source/platform/text/SegmentedString.h             bool haveNewLine = (m_currentChar == '\n') & !!(m_fastPathFlags & Use8BitAdvanceAndUpdateLineNumbers);
Use8BitAdvanceAndUpdateLineNumbers  352 Source/platform/text/SegmentedString.h                     m_fastPathFlags |= Use8BitAdvanceAndUpdateLineNumbers;