[GHC] #8073: TransformListComp weird type error

[GHC]

#8073: TransformListComp weird type error
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        Reporter:  simonmar                   |            Owner:
            Type:  bug                        |           Status:  closed
        Priority:  normal                     |        Milestone:  7.8.1
       Component:  Compiler (Type checker)    |          Version:  7.6.3
      Resolution:  invalid                    |         Keywords:
Operating System:  Unknown/Multiple           |     Architecture:
 Type of failure:  GHC rejects valid program  |  Unknown/Multiple
       Test Case:                             |       Difficulty:  Unknown
        Blocking:                             |       Blocked By:
                                              |  Related Tickets:
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Changes (by simonpj):

 * status:  new => closed
 * resolution:   => invalid


Comment:

 It's not a bug!  There's a good reason for it, which you'll find discussed
 in [http://research.microsoft.com/~simonpj/papers/list-comp/index.htm the
 paper].

 That said, I can see it's inconvenient here, and others may have ideas
 about what to do about it.

 Simon

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8073#comment:3>
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