Katarina Assisted Suicide [GAMEPLAY]

http://embed.gyazo.com/5dc015602300cf68e1911403053603aa.jpg http://embed.gyazo.com/df44c25be082e0c57e91cccb7c295590.jpg

So I was playing as earlier and when I died mid-ult, on death recap it says that I got an assist on my death, and my assist count actually goes up by one once I die.

How to recreate this bug: Play as , get to level 6, ult, get killed mid-ult.