[GHC] #7383: implement proper type promotion in compilation of C calls

[GHC]

#7383: implement proper type promotion in compilation of C calls
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  Reporter:  igloo             |          Owner:                  
      Type:  bug               |         Status:  closed          
  Priority:  high              |      Milestone:  7.6.2           
 Component:  Compiler          |        Version:  7.6.1           
Resolution:  fixed             |       Keywords:                  
        Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown      |     Difficulty:  Unknown         
  Testcase:                    |      Blockedby:                  
  Blocking:                    |        Related:  7684            
-------------------------------+--------------------------------------------
Changes (by igloo):

  * status:  infoneeded => closed
  * resolution:  => fixed


Comment:

 cgrun071 passes on OS X x86. I've pushed it.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7383#comment:6>
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