Program: 151725
Project: 151725
Buggy source:
protected String _nextQuotedString() throws IOException, JsonParseException {
  char[] outBuf=_textBuffer.emptyAndGetCurrentSegment();
  int outPtr=0;
  final char[] inputBuffer=_inputBuffer;
  main_loop:   while (true) {
    int ptr=_inputPtr;
    if (ptr >= _inputEnd) {
      if (!loadMore()) {
        _owner._reportCsvError("String_Node_Str");
      }
      ptr=_inputPtr;
    }
    if (outPtr >= outBuf.length) {
      outBuf=_textBuffer.finishCurrentSegment();
      outPtr=0;
    }
    final int max=Math.min(_inputEnd,(ptr + (outBuf.length - outPtr)));
    inner_loop:     while (true) {
      char c=inputBuffer[ptr++];
      if (c <= _maxSpecialChar) {
        if (c == _quoteChar) {
          _inputPtr=ptr;
          break;
        }
        if (c == '\r' || c == '\n') {
          _inputPtr=ptr;
          _pendingLF=c;
          return _textBuffer.finishAndReturn(outPtr,false);
        }
        if (c == _escapeChar) {
          _inputPtr=ptr;
          c=_unescape();
          outBuf[outPtr++]=c;
          continue main_loop;
        }
      }
      outBuf[outPtr++]=c;
      if (ptr >= max) {
        _inputPtr=ptr;
        continue main_loop;
      }
      continue inner_loop;
    }
    if (_inputPtr < _inputEnd || loadMore()) {
      if (_inputBuffer[_inputPtr] == _quoteChar) {
        outBuf[outPtr++]=(char)_quoteChar;
        ++_inputPtr;
        continue main_loop;
      }
    }
    break;
  }
  String result=_textBuffer.finishAndReturn(outPtr,false);
  while (_inputPtr < _inputEnd || loadMore()) {
    int ch=_inputBuffer[_inputPtr++];
    if (ch == _separatorChar) {
      break;
    }
    if (ch <= INT_SPACE) {
      if (ch == INT_CR || ch == INT_LF) {
        _pendingLF=ch;
        break;
      }
      continue;
    }
    _owner._reportUnexpectedCsvChar(ch,"String_Node_Str" + _getCharDesc(_quoteChar) + "String_Node_Str");
  }
  return result;
}

Fixed version (ground truth):
protected String _nextQuotedString() throws IOException, JsonParseException {
  char[] outBuf=_textBuffer.emptyAndGetCurrentSegment();
  int outPtr=0;
  final char[] inputBuffer=_inputBuffer;
  boolean checkLF=false;
  main_loop:   while (true) {
    int ptr=_inputPtr;
    if (ptr >= _inputEnd) {
      if (!loadMore()) {
        _owner._reportCsvError("String_Node_Str");
      }
      ptr=_inputPtr;
      if (checkLF && inputBuffer[ptr] == '\n') {
        --_currInputRow;
      }
    }
    if (checkLF) {
    }
    if (outPtr >= outBuf.length) {
      outBuf=_textBuffer.finishCurrentSegment();
      outPtr=0;
    }
    final int max=Math.min(_inputEnd,(ptr + (outBuf.length - outPtr)));
    inner_loop:     while (true) {
      char c=inputBuffer[ptr++];
      if (c <= _maxSpecialChar) {
        if (c == _quoteChar) {
          _inputPtr=ptr;
          break;
        }
        if (c == '\r') {
          if (ptr >= max) {
            checkLF=true;
            ++_currInputRow;
            _currInputRowStart=ptr;
          }
 else           if (inputBuffer[ptr] != '\n') {
            ++_currInputRow;
            _currInputRowStart=ptr;
          }
        }
 else         if (c == '\n') {
          ++_currInputRow;
          _currInputRowStart=ptr;
        }
 else         if (c == _escapeChar) {
          _inputPtr=ptr;
          c=_unescape();
          outBuf[outPtr++]=c;
          continue main_loop;
        }
      }
      outBuf[outPtr++]=c;
      if (ptr >= max) {
        _inputPtr=ptr;
        continue main_loop;
      }
      continue inner_loop;
    }
    if (_inputPtr < _inputEnd || loadMore()) {
      if (_inputBuffer[_inputPtr] == _quoteChar) {
        outBuf[outPtr++]=(char)_quoteChar;
        ++_inputPtr;
        continue main_loop;
      }
    }
    break;
  }
  String result=_textBuffer.finishAndReturn(outPtr,false);
  while (_inputPtr < _inputEnd || loadMore()) {
    int ch=_inputBuffer[_inputPtr++];
    if (ch == _separatorChar) {
      break;
    }
    if (ch <= INT_SPACE) {
      if (ch == INT_CR || ch == INT_LF) {
        _pendingLF=ch;
        break;
      }
      continue;
    }
    _owner._reportUnexpectedCsvChar(ch,"String_Node_Str" + _getCharDesc(_quoteChar) + "String_Node_Str");
  }
  return result;
}