message: Calculate min/max of blocks at read time correctly
diff: @@ -126,7 +126,6 @@ std::pair<T, T> Variable<T>::DoMinMax(const size_t step) const
  if (helper::LessThan<T>(minValue, minMax.first))
  {
  minMax.first = minValue;
  - continue;
  }
  const T maxValue = isValue ? blockInfo.Value : blockInfo.Max;
  