[GAMEPLAY] Nidalee, walking trough rocks on summoners rift

was playing against me so i don't know how he did it. He was jumping in the middle of a rock obstacle on the map and walking trough it, graphics ware overlapping between the champ and rocks.

It happened twice here: https://www.dropbox.com/s/df4eb66tjlpliyq/minim.png

And here is the link to the replay, and pls someone tell me if this replays help or i bother for nothing.