[GHC] #7155: Fails to build on powerpc with -Werror : The import of `CmmCallConv' is redundant

[GHC]

#7155: Fails to build on powerpc with -Werror  : The import of `CmmCallConv' is
redundant
------------------------------+---------------------------------------------
 Reporter:  erikd             |          Owner:          
     Type:  bug               |         Status:  new     
 Priority:  normal            |      Component:  Compiler
  Version:  7.7               |       Keywords:          
       Os:  Unknown/Multiple  |   Architecture:  powerpc 
  Failure:  None/Unknown      |       Testcase:          
Blockedby:                    |       Blocking:          
  Related:                    |  
------------------------------+---------------------------------------------
Changes (by erikd):

  * version:  7.4.2 => 7.7


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7155#comment:1>
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