Natural Iron Golems Don't Hit players when puched

Put the summary of the bug you're having here

What I expected to happen was...:
Me to get whacked by an iron golem

What actually happened was...:
The iron golem kept swinging but i never got hit.

Steps to Reproduce:
1. Spawn in villagers (enough to spawn a iron golem )
2. Turn to survival gamemode.
3. Hit villager/iron golem
4. Watch him never hit you.