[GHC] #6055: panic: ctFlavId: derived constraint cannot have id

[GHC]

#6055: panic: ctFlavId: derived constraint cannot have id
---------------------------------------------+------------------------------
  Reporter:  Lemming                         |          Owner:                  
      Type:  bug                             |         Status:  closed          
  Priority:  normal                          |      Milestone:                  
 Component:  Compiler (Type checker)         |        Version:  7.5             
Resolution:  fixed                           |       Keywords:                  
        Os:  Unknown/Multiple                |   Architecture:  Unknown/Multiple
   Failure:  Compile-time crash              |     Difficulty:  Unknown         
  Testcase:  typecheck/should_compile/T6055  |      Blockedby:                  
  Blocking:                                  |        Related:                  
---------------------------------------------+------------------------------
Changes (by simonpj):

  * status:  new => closed
  * difficulty:  => Unknown
  * resolution:  => fixed
  * testcase:  => typecheck/should_compile/T6055


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6055#comment:4>
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