Stacking limit bug?

[ComradeP]

It seems the stacking limit doesn't apply when you move a stack that is over the stacking limit into an empty hex. In other words: if a stack is already above the stacking limit, nothing prevents it from moving into an empty hex in its current state.

Example: the 1st Shock Army stack in 398, 87 in Moscow '42 December campaign can move to any of the empty surrounding hexes, even though it's 300 men over the stacking limit.

I can imagine why some "room" for going over the stacking limit might be necessary to allow units that are in a certain hex from drawing replacements that would place them over the stacking limit, but those units then being able to move into another hex is something that could be exploited.