What happens?

All the stairs have their textures rotated.

How to reproduce?

Just open Minecraft, get stairs and place wherever you want, its texture is rotated on corner stairs and wrong on normal stairs.

Development Crash:

---- Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: _HUG~

Time: 13/08/14 17:35
Description: Manually triggered debug crash

java.lang.Throwable
at bso.r(SourceFile:1566)
at bso.as(SourceFile:875)
at bso.a(SourceFile:312)
at net.minecraft.client.main.Main.main(SourceFile:120)

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

– Head –
Stacktrace:
at cef.a(SourceFile:308)

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [cig['lAngelP'/5, l='MpServer', x=267,25, y=7,41, z=-1399,01]]
Chunk stats: MultiplayerChunkCache: 4225, 4225
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: 315,00,4,00,-1570,00 - World: (315,4,-1570), Chunk: (at 11,0,14 in 19,-99; contains blocks 304,0,-1584 to 319,255,-1569), Region: (0,-4; contains chunks 0,-128 to 31,-97, blocks 0,0,-2048 to 511,255,-1537)
Level time: 8785 game time, 8785 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 89 total; [agj['Villager'/0, l='MpServer', x=234,72, y=4,00, z=-1380,53], agj['Villager'/1, l='MpServer', x=244,84, y=6,00, z=-1356,47], agj['Villager'/2, l='MpServer', x=273,16, y=5,00, z=-1342,28], agj['Villager'/3, l='MpServer', x=244,69, y=4,50, z=-1364,16], agj['Villager'/4, l='MpServer', x=236,41, y=4,00, z=-1371,69], afs['Slime'/44472293, l='MpServer', x=310,81, y=4,29, z=-1440,29], afs['Slime'/46221975, l='MpServer', x=300,65, y=4,17, z=-1406,67], afs['Slime'/27648570, l='MpServer', x=253,28, y=4,02, z=-1414,50], cig['lAngelP'/5, l='MpServer', x=267,25, y=7,41, z=-1399,01], agj['Villager'/17, l='MpServer', x=212,81, y=4,00, z=-1352,91], agj['Villager'/16, l='MpServer', x=219,94, y=5,00, z=-1359,81], agj['Villager'/19, l='MpServer', x=225,22, y=4,00, z=-1340,47], agj['Villager'/18, l='MpServer', x=241,16, y=5,00, z=-1363,72], agj['Villager'/21, l='MpServer', x=246,78, y=6,00, z=-1355,38], agj['Villager'/20, l='MpServer', x=231,50, y=5,00, z=-1351,50], adq['item.item.seeds'/20138278, l='MpServer', x=267,84, y=5,00, z=-1375,72], agj['Villager'/23, l='MpServer', x=249,56, y=5,00, z=-1362,16], agj['Villager'/22, l='MpServer', x=260,44, y=4,00, z=-1379,19], afs['Slime'/31997161, l='MpServer', x=267,77, y=4,15, z=-1392,26], agj['Villager'/25, l='MpServer', x=240,50, y=5,00, z=-1332,50], agj['Villager'/24, l='MpServer', x=240,50, y=5,00, z=-1346,50], afs['Slime'/7183997, l='MpServer', x=245,83, y=5,07, z=-1407,67], agj['Villager'/27, l='MpServer', x=243,66, y=5,00, z=-1374,41], agj['Villager'/26, l='MpServer', x=234,78, y=5,00, z=-1368,50], afs['Slime'/7183999, l='MpServer', x=265,76, y=4,70, z=-1444,20], agj['Villager'/29, l='MpServer', x=235,75, y=4,00, z=-1346,63], agj['Villager'/28, l='MpServer', x=254,09, y=5,00, z=-1354,31], agj['Villager'/31, l='MpServer', x=243,31, y=5,00, z=-1332,94], agj['Villager'/30, l='MpServer', x=248,25, y=5,00, z=-1345,59], adq['item.item.carrots'/42314049, l='MpServer', x=274,25, y=4,00, z=-1378,66], afs['Slime'/42666234, l='MpServer', x=278,79, y=4,53, z=-1467,53], afs['Slime'/43503575, l='MpServer', x=310,78, y=5,07, z=-1439,44], agj['Villager'/42, l='MpServer', x=273,72, y=4,00, z=-1357,34], afs['Slime'/46003181, l='MpServer', x=270,97, y=4,02, z=-1431,09], adq['item.item.carrots'/42102741, l='MpServer', x=275,34, y=5,00, z=-1379,75], afs['Slime'/47178163, l='MpServer', x=280,21, y=4,53, z=-1408,11], adq['item.item.potato'/37139288, l='MpServer', x=240,25, y=4,00, z=-1365,38], afs['Slime'/37903160, l='MpServer', x=298,56, y=4,02, z=-1397,88], afs['Slime'/38232511, l='MpServer', x=311,23, y=4,91, z=-1412,80], afs['Slime'/9196680, l='MpServer', x=238,84, y=4,00, z=-1398,41], adq['item.item.carrots'/42839282, l='MpServer', x=272,59, y=5,00, z=-1384,06], adq['item.item.carrots'/45072355, l='MpServer', x=269,38, y=5,00, z=-1382,84], afs['Slime'/30271434, l='MpServer', x=193,94, y=5,07, z=-1329,14], abz['Rabbit'/2314028, l='MpServer', x=319,69, y=4,00, z=-1471,38], abr['Horse'/2314025, l='MpServer', x=321,47, y=4,00, z=-1475,50], abr['Horse'/2314024, l='MpServer', x=314,88, y=4,00, z=-1478,00], abr['Horse'/2314026, l='MpServer', x=319,72, y=4,00, z=-1476,13], afs['Slime'/48335881, l='MpServer', x=217,44, y=4,14, z=-1462,43], adq['item.item.seeds'/30012406, l='MpServer', x=273,84, y=5,00, z=-1385,75], ade['entity.ItemFrame.name'/10079060, l='MpServer', x=254,97, y=9,50, z=-1388,50], adq['item.item.carrots'/36471984, l='MpServer', x=240,41, y=5,00, z=-1368,75], afs['Slime'/24913180, l='MpServer', x=259,33, y=4,14, z=-1419,38], afs['Slime'/45973402, l='MpServer', x=261,41, y=4,02, z=-1360,69], adq['item.item.carrots'/42530430, l='MpServer', x=273,47, y=5,00, z=-1380,66], afs['Slime'/42958494, l='MpServer', x=313,94, y=4,00, z=-1424,84], adq['item.item.carrots'/44884290, l='MpServer', x=270,53, y=5,00, z=-1383,84], adq['item.item.potato'/37282721, l='MpServer', x=264,28, y=5,00, z=-1353,28], adq['item.item.carrots'/44713254, l='MpServer', x=271,25, y=4,00, z=-1384,72], afs['Slime'/45453358, l='MpServer', x=264,28, y=4,62, z=-1423,58], ade['entity.ItemFrame.name'/10125713, l='MpServer', x=254,97, y=9,50, z=-1387,50], afs['Slime'/40517271, l='MpServer', x=325,47, y=4,29, z=-1434,31], adq['item.item.seeds'/22746124, l='MpServer', x=266,53, y=5,00, z=-1360,69], afs['Slime'/46494362, l='MpServer', x=325,19, y=4,67, z=-1427,14], afs['Slime'/34926703, l='MpServer', x=212,38, y=4,02, z=-1356,50], adq['item.item.seeds'/24477609, l='MpServer', x=268,25, y=5,00, z=-1357,34], afs['Slime'/32553661, l='MpServer', x=281,44, y=4,00, z=-1427,63], afs['Slime'/27877962, l='MpServer', x=251,09, y=4,00, z=-1421,66], afs['Slime'/43009007, l='MpServer', x=264,70, y=4,15, z=-1412,52], afs['Slime'/27931846, l='MpServer', x=266,90, y=4,99, z=-1417,28], afs['Slime'/46074927, l='MpServer', x=221,86, y=4,93, z=-1475,35], afs['Slime'/45348531, l='MpServer', x=344,25, y=4,11, z=-1422,52], afs['Slime'/46336209, l='MpServer', x=279,22, y=4,02, z=-1427,06], afs['Slime'/26836191, l='MpServer', x=286,87, y=4,35, z=-1451,80], abq['Cow'/2314360, l='MpServer', x=304,63, y=4,00, z=-1476,88], afs['Slime'/14214406, l='MpServer', x=248,88, y=4,02, z=-1417,25], afs['Slime'/39202600, l='MpServer', x=281,95, y=4,14, z=-1437,32], afs['Slime'/48495141, l='MpServer', x=277,12, y=4,34, z=-1409,84], afs['Slime'/10839720, l='MpServer', x=265,63, y=4,00, z=-1442,44], afs['Slime'/29066924, l='MpServer', x=319,40, y=4,17, z=-1410,70], afs['Slime'/48997570, l='MpServer', x=218,81, y=4,00, z=-1473,03], afs['Slime'/49229070, l='MpServer', x=263,26, y=4,18, z=-1420,24], afs['Slime'/33584438, l='MpServer', x=223,19, y=4,02, z=-1473,56], adq['item.item.seeds'/36744991, l='MpServer', x=269,72, y=5,00, z=-1386,44], afs['Slime'/24914822, l='MpServer', x=282,03, y=4,00, z=-1384,53], adq['item.item.carrots'/24435844, l='MpServer', x=257,91, y=4,00, z=-1374,50], adq['item.item.carrots'/44565134, l='MpServer', x=270,84, y=5,00, z=-1383,09], adq['item.item.seeds'/43284417, l='MpServer', x=274,88, y=5,00, z=-1386,19], ade['entity.ItemFrame.name'/10183745, l='MpServer', x=254,97, y=9,50, z=-1386,50], afs['Slime'/13266068, l='MpServer', x=278,13, y=4,02, z=-1419,00]]
Retry entities: 0 total; []
Server brand: vanilla
Server type: Integrated singleplayer server
Stacktrace:
at cef.a(SourceFile:308)
at bso.b(SourceFile:2255)
at bso.a(SourceFile:321)
at net.minecraft.client.main.Main.main(SourceFile:120)

– System Details –
Details:
Minecraft Version: 14w33a
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 658318240 bytes (627 MB) / 2071461888 bytes (1975 MB) up to 3817865216 bytes (3641 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4G
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 14w33a
LWJGL: 2.9.1
OpenGL: GeForce GTX 770/PCIe/SSE2 GL version 4.4.0, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: No
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)