If the Cake BLOCK is used in a superflat preset crashes game.
Here is a crash report
---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3

Time: 8/11/14 5:12 PM
Description: Rendering screen

java.lang.NullPointerException: Rendering screen
at add.c(SourceFile:99)
at bny.a(SourceFile:285)
at bda.a(SourceFile:146)
at bda.a(SourceFile:203)
at bcm.b(SourceFile:382)
at bcm.a(SourceFile:259)
at bcz.a(SourceFile:122)
at blt.b(SourceFile:852)
at bao.ak(SourceFile:801)
at bao.f(SourceFile:728)
at net.minecraft.client.main.Main.main(SourceFile:148)

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

– Head –
Stacktrace:
at add.c(SourceFile:99)
at bny.a(SourceFile:285)
at bda.a(SourceFile:146)
at bda.a(SourceFile:203)
at bcm.b(SourceFile:382)
at bcm.a(SourceFile:259)
at bcz.a(SourceFile:122)

– Screen render details –
Details:
Screen name: bcz
Mouse location: Scaled: (305, 342). Absolute: (610, 20)
Screen size: Scaled: (683, 353). Absolute: (1366, 705). Scale factor of 2
Stacktrace:
at blt.b(SourceFile:852)
at bao.ak(SourceFile:801)
at bao.f(SourceFile:728)
at net.minecraft.client.main.Main.main(SourceFile:148)

– System Details –
Details:
Minecraft Version: 1.7.10
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.7.0_65, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 114446192 bytes (109 MB) / 186580992 bytes (177 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.7.10
LWJGL: 2.9.1
OpenGL: Intel(R) HD Graphics 4600 GL version 4.2.0 - Build 10.18.10.3345, Intel
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

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: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)

Here is the game output.
[17:12:03] [main/INFO]: Setting user: pie595
[17:12:03] [main/INFO]: (Session ID is token:0134f3f7c04f48a585e22678da966146:1e581b659eb54c259d4ec4d22add9532)
[17:12:03] [Client thread/INFO]: LWJGL Version: 2.9.1
[17:12:06] [Client thread/INFO]: Reloading ResourceManager: Default

Starting up SoundSystem...
Initializing LWJGL OpenAL
(The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
OpenAL initialized.

[17:12:07] [Sound Library Loader/INFO]: Sound engine started
[17:12:07] [Client thread/INFO]: Created: 512x256 textures/blocks-atlas
[17:12:07] [Client thread/INFO]: Created: 256x256 textures/items-atlas
[17:12:13] [Client thread/INFO]: Deleting level dummy
[17:12:13] [Client thread/INFO]: Attempt 1...
[17:12:15] [Client thread/INFO]: Deleting level New Worldr
[17:12:15] [Client thread/INFO]: Attempt 1...
[17:12:18] [Client thread/INFO]: Deleting level 123
[17:12:18] [Client thread/INFO]: Attempt 1...
[17:12:21] [Client thread/INFO]: Deleting level New World----
[17:12:21] [Client thread/INFO]: Attempt 1...
[17:12:23] [Client thread/INFO]: Deleting level New World---
[17:12:23] [Client thread/INFO]: Attempt 1...
[17:12:28] [Client thread/INFO]: Deleting level New World--
[17:12:28] [Client thread/INFO]: Attempt 1...
[17:12:30] [Client thread/INFO]: Deleting level New World-
[17:12:30] [Client thread/INFO]: Attempt 1...
[17:12:47] [Client thread/FATAL]: Reported exception thrown!
s: Rendering screen
at blt.b(SourceFile:878) ~[1.7.10.jar:?]
at bao.ak(SourceFile:801) ~[1.7.10.jar:?]
at bao.f(SourceFile:728) [1.7.10.jar:?]
at net.minecraft.client.main.Main.main(SourceFile:148) [1.7.10.jar:?]
Caused by: java.lang.NullPointerException
at add.c(SourceFile:99) ~[1.7.10.jar:?]
at bny.a(SourceFile:285) ~[1.7.10.jar:?]
at bda.a(SourceFile:146) ~[1.7.10.jar:?]
at bda.a(SourceFile:203) ~[1.7.10.jar:?]
at bcm.b(SourceFile:382) ~[1.7.10.jar:?]
at bcm.a(SourceFile:259) ~[1.7.10.jar:?]
at bcz.a(SourceFile:122) ~[1.7.10.jar:?]
at blt.b(SourceFile:852) ~[1.7.10.jar:?]
... 3 more
---- Minecraft Crash Report ----
// Would you like a cupcake?

Time: 8/11/14 5:12 PM
Description: Rendering screen

java.lang.NullPointerException: Rendering screen
at add.c(SourceFile:99)
at bny.a(SourceFile:285)
at bda.a(SourceFile:146)
at bda.a(SourceFile:203)
at bcm.b(SourceFile:382)
at bcm.a(SourceFile:259)
at bcz.a(SourceFile:122)
at blt.b(SourceFile:852)
at bao.ak(SourceFile:801)
at bao.f(SourceFile:728)
at net.minecraft.client.main.Main.main(SourceFile:148)

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

– Head –
Stacktrace:
at add.c(SourceFile:99)
at bny.a(SourceFile:285)
at bda.a(SourceFile:146)
at bda.a(SourceFile:203)
at bcm.b(SourceFile:382)
at bcm.a(SourceFile:259)
at bcz.a(SourceFile:122)

– Screen render details –
Details:
Screen name: bcz
Mouse location: Scaled: (305, 342). Absolute: (610, 20)
Screen size: Scaled: (683, 353). Absolute: (1366, 705). Scale factor of 2
Stacktrace:
at blt.b(SourceFile:852)
at bao.ak(SourceFile:801)
at bao.f(SourceFile:728)
at net.minecraft.client.main.Main.main(SourceFile:148)

– System Details –
Details:
Minecraft Version: 1.7.10
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.7.0_65, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 114446192 bytes (109 MB) / 186580992 bytes (177 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.7.10
LWJGL: 2.9.1
OpenGL: Intel(R) HD Graphics 4600 GL version 4.2.0 - Build 10.18.10.3345, Intel
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

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: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)
#@Unable to render embedded object: File (@# Game crashed) not found. Crash report saved to: #@!@# C:\Users\xxx\AppData\Roaming\.minecraft\crash-reports\crash-2014-08-11_17.12.47-client.txt
AL lib: (EE) alc_cleanup: 1 device not closed