[GHC] #4856: Performance regression in the type checker regression for GADTs and type families

[GHC]

#4856: Performance regression in the type checker regression for GADTs and type
families
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    Reporter:  chak                     |        Owner:                              
        Type:  bug                      |       Status:  new                         
    Priority:  high                     |    Milestone:  7.0.3                       
   Component:  Compiler (Type checker)  |      Version:  7.0.1                       
    Keywords:                           |     Testcase:                              
   Blockedby:                           |   Difficulty:                              
          Os:  Unknown/Multiple         |     Blocking:                              
Architecture:  Unknown/Multiple         |      Failure:  Compile-time performance bug
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Comment(by chak):

 Please don't delay it until 7.0.3.  This is has nothing to do with DPH.
 `Data.Array.Accelerate` is an array EDSL for GPU programming:
 http://hackage.haskell.org/package/accelerate

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4856#comment:5>
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