Bug when breeding too quickly / at all

Put the summary of the bug you're having here
Game crashes when breeding quickly (5 - 10+ cows or more)
Can happen if villagers attempt to mate as well?

What I expected to happen was...:
Describe what you thought should happen here
Non-Crash

What actually happened was...:
Describe what happened here
Crash

Steps to Reproduce:
1. Hole 6 x 8 x ( 2 deep)
2. Breed cows (5 - 10+) quickly holding right mouse button

Description: Ticking entity

java.lang.ArrayIndexOutOfBoundsException: 3
	at box.a(SourceFile:52)
	at aay.l(SourceFile:198)
	at aay.k(SourceFile:155)
	at xl.bE(SourceFile:450)
	at xk.l(SourceFile:1430)
	at xl.l(SourceFile:316)
	at wn.l(SourceFile:126)
	at abr.l(SourceFile:38)
	at xk.j(SourceFile:1298)
	at xl.j(SourceFile:194)
	at aqh.a(SourceFile:1410)
	at qo.a(SourceFile:601)