one problem happened in Matlab2012(x64)

I have done mex -setup and mbuild -setup successfully.Then ,when I input mcc -m eigen.m eigen.cpp.It comes out the problem below:

------------------------------------------------------------------------ Segmentation violation detected at Wed Jul 24 16:53:55 2013 ------------------------------------------------------------------------

Configuration: Crash Decoding : Disabled Default Encoding: GBK MATLAB Root : D:\Program Files\MATLAB\R2012b MATLAB Version : 8.0.0.783 (R2012b) Operating System: Microsoft Windows 7 Processor ID : x86 Family 6 Model 42 Stepping 7, GenuineIntel Virtual Machine : Java 1.6.0_17-b04 with Sun Microsystems Inc. Java HotSpot™ 64-Bit Server VM mixed mode Window System : Version 6.1 (Build 7600)

Fault Count: 1

Abnormal termination: Segmentation violation

Register State (from fault): RAX = 0000000000000000 RBX = 8800001534184572 RCX = ffffffffffffffff RDX = 0000000027d80c10 RSP = 000000000022d780 RBP = 000000000022d820 RSI = 000000002b488800 RDI = 8800001534184572

   R8 = 000000000ea99fb0   R9 = 000000000ea99fc0 
  R10 = 000007feedd708b8  R11 = 0000000000000000 
  R12 = 0000000000000001  R13 = 0000000000000001 
  R14 = 0000000027860c90  R15 = ffffffffffffffff 

RIP = 000007feedbca1f6  EFL = 00010246 

   CS = 0033   FS = 0053   GS = 002b

Stack Trace (from fault): [ 0] 0x000007feedbca1f6 D:\Program Files\MATLAB\R2012b\bin\win64\compiler.dll+00631286 ( compiler+042918 ) [ 1] 0x000007feedbcadff D:\Program Files\MATLAB\R2012b\bin\win64\compiler.dll+00634367 ( compiler+045999 ) [ 2] 0x000007feedbcd383 D:\Program Files\MATLAB\R2012b\bin\win64\compiler.dll+00643971 ( free_component_info+003507 ) [ 3] 0x000007feedbbf22c D:\Program Files\MATLAB\R2012b\bin\win64\compiler.dll+00586284 ( initialize_compiler_context_1+032412 ) [ 4] 0x000007feedbbfe97 D:\Program Files\MATLAB\R2012b\bin\win64\compiler.dll+00589463 ( compiler+001095 ) [ 5] 0x000000013fcda40d D:\Program Files\MATLAB\R2012b\bin\win64\mcc.exe+00107533 ( ???+000000 ) [ 6] 0x000000013fcda7a6 D:\Program Files\MATLAB\R2012b\bin\win64\mcc.exe+00108454 ( ???+000000 ) [ 7] 0x000000013fcda9e9 D:\Program Files\MATLAB\R2012b\bin\win64\mcc.exe+00109033 ( ???+000000 ) [ 8] 0x000000013fcdac2a D:\Program Files\MATLAB\R2012b\bin\win64\mcc.exe+00109610 ( ???+000000 ) [ 9] 0x000000013fcfcbaa D:\Program Files\MATLAB\R2012b\bin\win64\mcc.exe+00248746 ( ???+000000 ) [ 10] 0x00000000770df56d C:\Windows\system32\kernel32.dll+00128365 ( BaseThreadInitThunk+000013 ) [ 11] 0x0000000077313281 C:\Windows\SYSTEM32\ntdll.dll+00209537 ( RtlUserThreadStart+000033 )

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Thank you for your help.** This crash report has been saved to disk as C:\Users\ry\AppData\Local\Temp\matlab_crash_dump.3920-1

MATLAB is exiting because of fatal error Error using mcc Error executing mcc, return status = 11 (0xb).

My computer systerm is x64