[GHC] #4946: reify does not work on data structures defined in files without Language pragma of Template Haskell and without -fth or -XTemplateHaskell command line flags

[GHC]

#4946: reify does not work on data structures defined in files without Language
pragma of Template Haskell and without -fth or -XTemplateHaskell command
line flags
---------------------------+------------------------------------------------
  Reporter:  guest         |          Owner:        
      Type:  bug           |         Status:  closed
  Priority:  normal        |      Milestone:  7.4.1 
 Component:  GHCi          |        Version:  7.0.1 
Resolution:  invalid       |       Keywords:        
  Testcase:                |      Blockedby:        
Difficulty:                |             Os:  Linux 
  Blocking:                |   Architecture:  x86   
   Failure:  None/Unknown  |  
---------------------------+------------------------------------------------

Comment(by simonmar):

 I was surprised by this.  Should TH really be able to get at the parts of
 datatypes that were not exported?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4946#comment:6>
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