[MC-48740] when you place a torch on the side of a torch, a bug pops up for a split second

I placed i torch on the side of a torch and a little 2 x 2 checker pattern appeared for a fraction of a second. the pattern was like this...

Purple Black
Black Purple

it was random how it happend, but it was a missing-texture glitch and i wanted to point it out

Environment

Put your operating system (Windows 7, Windows XP, OSX) and Java version if you know it here

score_Death=1 means at most 1.

1 < 10 so the output is true.

testfor @p[score_Death_min=1]