Game crashes when getting close to unloaded chunks with high speed effect

Put the summary of the bug you're having here

What I expected to happen was...:
Loading chunks and simple terrain generation.

What actually happened was...:
The game crashed.

Steps to Reproduce:
1. Walked out using speed effect of 255 towards edge of loaded world.
2. Game crashed.

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 11/10/13 2:15 PM
Description: Ticking memory connection

java.lang.IllegalArgumentException: n must be positive
at java.util.Random.nextInt(Unknown Source)
at agm.a(SourceFile:122)
at agm.a(SourceFile:27)
at agg.a(SourceFile:362)
at agr.a(SourceFile:138)
at apl.a(SourceFile:432)
at mi.a(SourceFile:160)
at aoj.a(SourceFile:781)
at mi.c(SourceFile:95)
at mh.<init>(SourceFile:31)
at mg.a(SourceFile:212)
at mg.a(SourceFile:249)
at ld.a(SourceFile:155)
at ld.c(SourceFile:206)
at ld.a(SourceFile:100)
at nd.c(SourceFile:87)
at nd.a(SourceFile:52)
at ef.a(SourceFile:166)
at ms.c(SourceFile:134)
at net.minecraft.server.MinecraftServer.u(SourceFile:529)
at net.minecraft.server.MinecraftServer.t(SourceFile:441)
at bsk.t(SourceFile:117)
at net.minecraft.server.MinecraftServer.run(SourceFile:358)
at ky.run(SourceFile:617)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

– Head –
Stacktrace:
at java.util.Random.nextInt(Unknown Source)
at agm.a(SourceFile:122)
at agm.a(SourceFile:27)
at agg.a(SourceFile:362)
at agr.a(SourceFile:138)
at apl.a(SourceFile:432)
at mi.a(SourceFile:160)
at aoj.a(SourceFile:781)
at mi.c(SourceFile:95)
at mh.<init>(SourceFile:31)
at mg.a(SourceFile:212)
at mg.a(SourceFile:249)
at ld.a(SourceFile:155)
at ld.c(SourceFile:206)
at ld.a(SourceFile:100)
at nd.c(SourceFile:87)
at nd.a(SourceFile:52)
at ef.a(SourceFile:166)

– Ticking connection –
Details:
Connection: ef@27790e56
Stacktrace:
at ms.c(SourceFile:134)
at net.minecraft.server.MinecraftServer.u(SourceFile:529)
at net.minecraft.server.MinecraftServer.t(SourceFile:441)
at bsk.t(SourceFile:117)
at net.minecraft.server.MinecraftServer.run(SourceFile:358)
at ky.run(SourceFile:617)

– System Details –
Details:
Minecraft Version: 1.7.2
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_21, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 243637872 bytes (232 MB) / 381222912 bytes (363 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
AABB Pool Size: 4146 (232176 bytes; 0 MB) allocated, 3949 (221144 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
Profiler Position: N/A (disabled)
Vec3 Pool Size: 1559 (87304 bytes; 0 MB) allocated, 1544 (86464 bytes; 0 MB) used
Player Count: 1 / 8; [mm['shrimp782'/350, l='New World', x=473.50, y=69.75, z=-75.50]]
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.