[GHC] #7785: Module-local function not specialized with ConstraintKinds

[GHC]

#7785: Module-local function not specialized with ConstraintKinds
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Reporter:  akio                     |          Owner:                  
    Type:  bug                      |         Status:  new             
Priority:  normal                   |      Component:  Compiler        
 Version:  7.6.2                    |       Keywords:  specialisation  
      Os:  Unknown/Multiple         |   Architecture:  Unknown/Multiple
 Failure:  Runtime performance bug  |      Blockedby:                  
Blocking:                           |        Related:                  
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 In the attached program, 'shared' is not exported and only used with f =
 [], but it doesn't get specialized in the core. On the other hand,
 shared', which does not involve !ConstraintKinds, gets correctly
 specialized.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7785>
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