[MC-30891] Minecraft crashes if on 30,000,000 block border

Minecraft crashes to title screen if you open a world save on the border of the 30,000,000 block limit

Environment

Windows 8, java Version 7 Update 21, non-modded version of 13w37a, intel quad core i7 3770 3.40 GHz, 8 gb of ram, gt630 graphics card

Unable to reproduce in 13w37a, marked as fixed on MC-29493. Comment there if the issue persists in the current snapshot, this is a duplicate.