[GHC] #1456: Wrong type being derived

[GHC]

#1456: Wrong type being derived
--------------------------------+-------------------------------------------
  Reporter:  iampure at gmail.com  |          Owner:         
      Type:  bug                |         Status:  new    
  Priority:  high               |      Milestone:         
 Component:  Compiler           |        Version:  6.6.1  
  Severity:  major              |       Keywords:         
Difficulty:  Unknown            |             Os:  Unknown
  Testcase:                     |   Architecture:  Unknown
--------------------------------+-------------------------------------------
In the complete small example attached there is some weird behaviour,
 since () gets derived in one of the cases, but there is no basic for doing
 so, AFAIK.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1456>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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