[GHC] #3165: :history throws "Irrefutable pattern failed" exception

[GHC]

#3165: :history throws "Irrefutable pattern failed" exception
---------------------------+------------------------------------------------
  Reporter:  greenrd       |          Owner:        
      Type:  bug           |         Status:  patch 
  Priority:  normal        |      Milestone:  7.2.1 
 Component:  GHCi          |        Version:  6.10.2
Resolution:                |       Keywords:        
  Testcase:                |      Blockedby:        
Difficulty:  Unknown       |             Os:  Linux 
  Blocking:                |   Architecture:  x86   
   Failure:  None/Unknown  |  
---------------------------+------------------------------------------------
Changes (by mnislaih):

  * status:  new => patch


Comment:

 Attached a patch that restores the previous behaviour for top level binds
 and was trivial to implement.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3165#comment:16>
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