[GHC] #7271: Panic with strictness annotation

[GHC]

#7271: Panic with strictness annotation
--------------------------------+-------------------------------------------
 Reporter:  acowley             |          Owner:                       
     Type:  bug                 |         Status:  new                  
 Priority:  normal              |      Component:  Compiler             
  Version:  7.6.1               |       Keywords:  strictness annotation
       Os:  Unknown/Multiple    |   Architecture:  Unknown/Multiple     
  Failure:  Compile-time crash  |       Testcase:                       
Blockedby:                      |       Blocking:                       
  Related:                      |  
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 This code

 {{{
 data Foo = Foo (!Int,!Int)
 }}}

 results in a ghc: panic~ (the 'impossible' happened) in 7.6.1 but not
 7.4.2.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7271>
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