[GHC] #2182: ghci session retains instances after :m -Module

[GHC]

#2182: ghci session retains instances after :m -Module
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 Reporter:  claus    |          Owner:         
     Type:  bug      |         Status:  new    
 Priority:  low      |      Milestone:  _|_    
Component:  GHCi     |        Version:  6.9    
 Severity:  normal   |     Resolution:         
 Keywords:           |     Difficulty:  Unknown
 Testcase:           |   Architecture:  Unknown
       Os:  Unknown  |  
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Comment (by igloo):

 See also #2404

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2182#comment:3>
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