Minecraft 13w39b, Minecraft 13w42a, Minecraft 13w42b, Minecraft 1.7.2, Minecraft 1.7.4, Minecraft 1.7.5, Minecraft 1.7.8, Minecraft 1.7.9
If an Iron Golem is in a 3 block high gap and an Enderman is as well, the Iron Golem will swing it's arms rapidly at the Enderman.
What I expected to happen was...:
The Iron Golem would have a bit of an interval between hits.
What actually happened was...:
It swung it's arms rapidly at the mob.
Steps to Reproduce:
1. Make the structure in the screenshot.
2. Spawn a Golem under it and an enderman.
3. Notice that is swings it's arms rapidly.