message: No need to branch.
diff: @@ -86,11 +86,7 @@ void ArrayString::set(size_t ndx, StringData value)
  }
  // Calc min column width
  - size_t new_width;
  - if (m_width == 0 && value.size() == 0)
  - new_width = ::round_up(1); // Entire Array is nulls; expand to m_width > 0
  - else
  - new_width = ::round_up(value.size() + 1);
  + size_t new_width = ::round_up(value.size() + 1);
  // FIXME: Should we try to avoid double copying when realloc fails to preserve the address?
  alloc(m_size, new_width); // Throws
  