stable_sort
using __STD::stable_sort;
std::stable_sort(first, last, sort_color_stops_by_offset);
std::stable_sort(begin, end, BPrivate::MenuItemComparator(compare));
std::stable_sort(poses, &poses[fPoseList->CountItems()], PoseComparator(this));
std::stable_sort(poses, &poses[fFilteredPoseList->CountItems()], PoseComparator(this));