[GHC] #832: fermat numbers make the baby jesus cry.

#832: fermat numbers make the baby jesus cry.
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    Reporter:  leebutterman@xxxxxxxxx  |        Owner:         
        Type:  bug                     |       Status:  new    
    Priority:  normal                  |    Milestone:         
   Component:  GHCi                    |      Version:  6.4.1  
    Severity:  major                   |     Keywords:         
          Os:  Windows                 |   Difficulty:  Unknown
Architecture:  x86                     |  
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when i run

 `Prelude> 2 ^ (2 ^ 25) + (1::Integer)`

 in GHCi, after a few seconds:

 GHC caused a stack fault in module GHC.EXE at 017f:00c043d3.
 Registers:
 EAX=00005120 CS=017f EIP=00c043d3 EFLGS=00010206
 EBX=02502008 SS=0187 ESP=00fbdc88 EBP=00fbdca8
 ECX=00dc1c90 DS=0187 ESI=00040001 FS=3377
 EDX=00040001 ES=0187 EDI=00040001 GS=0000
 Bytes at CS:EIP:
 83 09 00 2d 00 10 00 00 eb e9 29 c1 83 09 00 89
 Stack dump:
 02202008 00bfe5a6 00000201 024fe008 00fbdd28 00bf64aa 00000003 00040001
 00fbdce8 00bfe8b9 02502008 02202008 00040001 00be51c9 00000201 00000003


 (bigints from PLT scheme and ruby worked.)

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/832>
GHC <http://www.haskell.org/ghc/>
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