[GHC] #9753: Segmentation fault when applying ** to a complex number

[GHC]

#9753: Segmentation fault when applying ** to a complex number
---------------------------------+---------------------------------------
       Reporter:  AlexeiKopylov  |                   Owner:
           Type:  bug            |                  Status:  new
       Priority:  normal         |               Milestone:
      Component:  GHCi           |                 Version:  7.6.3
       Keywords:                 |        Operating System:  MacOS X
   Architecture:  ia64           |         Type of failure:  None/Unknown
     Difficulty:  Unknown        |               Test Case:
     Blocked By:                 |                Blocking:
Related Tickets:                 |  Differential Revisions:
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 Rising a negative complex number to a power using {{{**}}} in ghci causes
 a segmentation fault:
 {{{
 $ ghci
 GHCi, version 7.6.3: http://www.haskell.org/ghc/  :? for help
 Loading package ghc-prim ... linking ... done.
 Loading package integer-gmp ... linking ... done.
 Loading package base ... linking ... done.
 Prelude> :m +Data.Complex
 Prelude Data.Complex> (-1) ** 1 :: Complex Double
 Segmentation fault
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9753>
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