[GHC] #2044: "Can't unify" error in debugger

[GHC]

#2044: "Can't unify" error in debugger
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 Reporter:  r6144   |          Owner:  mnislaih
     Type:  bug     |         Status:  assigned
 Priority:  normal  |      Milestone:  6.8.3   
Component:  GHCi    |        Version:  6.8.2   
 Severity:  normal  |     Resolution:          
 Keywords:          |     Difficulty:  Unknown 
 Testcase:          |   Architecture:  x86     
       Os:  Linux   |  
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Comment (by mnislaih):

 Oops, I mean the type of `buildBuf`

 {{{
 buildBuf :: ST s (forall s'. ST s' (STUArray s' Idx Double))
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2044#comment:13>
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