[MC-161268] java.lang.IndexOutOfBoundsException while tesselating block model / Game crashes when breaking a block

The game crashed as I break a full block of oak wood slabs causing me to crash.

19w38a: crash-2019-09-18_21.01.43-client.txt

Description: Tesselating block model

java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
	at java.util.ArrayList.rangeCheck(ArrayList.java:653)
	at java.util.ArrayList.get(ArrayList.java:429)
	at cxj.b(SourceFile:91)
	at cxe.a(SourceFile:306)
	at dps.a(SourceFile:134)
	at dps.b(SourceFile:76)
	at dps.a(SourceFile:47)
	at dpq.a(SourceFile:48)
	at dpd.a(SourceFile:1300)
	at dpa.a(SourceFile:691)
	at dpa.a(SourceFile:535)
	at daj.e(SourceFile:931)
	at daj.b(SourceFile:564)
	at net.minecraft.client.main.Main.main(SourceFile:199)