[GHC] #12793: Performs unaligned access on SPARC64

[GHC]

#12793: Performs unaligned access on SPARC64
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           Reporter:  jrtc27    |             Owner:
               Type:  bug       |            Status:  new
           Priority:  normal    |         Milestone:
          Component:  Compiler  |           Version:  8.0.1
           Keywords:            |  Operating System:  Linux
       Architecture:  sparc     |   Type of failure:  Building GHC failed
          Test Case:            |        Blocked By:
           Blocking:            |   Related Tickets:
Differential Rev(s):            |         Wiki Page:
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 (Filed under Architecture: sparc, since there's no sparc64 in the
 dropdown...)

 Trying to build GHC on sparc64 currently crashes with a SIGBUS (unaligned
 access). This is because sparc64 uses the C backend (only 32-bit sparc has
 native code gen), but is unaware that it can't perform unaligned accesses.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12793>
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