[GHC] #836: rebindable if-then-else syntax

[GHC]

#836: rebindable if-then-else syntax
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  Reporter:  nibro              |          Owner:  igloo           
      Type:  feature request    |         Status:  closed          
  Priority:  normal             |      Milestone:  _|_             
 Component:  Compiler (Parser)  |        Version:  7.0.1           
Resolution:  fixed              |       Keywords:                  
  Testcase:  N/A                |      Blockedby:                  
Difficulty:  Unknown            |             Os:  Unknown/Multiple
  Blocking:                     |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown       |  
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Comment(by simonpj):

 I think it may have to be CPP here.  No obvious alternative.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/836#comment:34>
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