Hopper: java.lang.ArrayIndexOutOfBoundsException: -4

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-90439/

Crash:

java.lang.ArrayIndexOutOfBoundsException: -4
	at b.a(SourceFile:248)
	at b.a(SourceFile:235)
	at awb.m(SourceFile:1205)
	at awb.V(SourceFile:686)
	at awb.e(SourceFile:642)
	at net.minecraft.client.main.Main.main(SourceFile:103)

The following is the first clean report made public about this crash:

---- Minecraft Crash Report ----
// Everything's going to plan. No, really, that was supposed to happen.

Time: 9/6/13 7:51 PM
Description: Unexpected error

java.lang.ArrayIndexOutOfBoundsException: -4
	at b.a(SourceFile:248)
	at b.a(SourceFile:235)
	at awb.m(SourceFile:1205)
	at awb.V(SourceFile:686)
	at awb.e(SourceFile:642)
	at net.minecraft.client.main.Main.main(SourceFile:103)


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

-- System Details --
Details:
	Minecraft Version: 13w36b
	Operating System: Windows XP (x86) version 5.1
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 15928 bytes (0 MB) / 518979584 bytes (494 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 1207 (67592 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Launched Version: 13w36b
	LWJGL: 2.9.0
	OpenGL: Intel 915G GL version 1.4.0 - Build 7.14.10.4764, Intel
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-90439/8510854/