[GHC] #9357: Kind-polymorphic type family accepts unlifted type arguments

[GHC]

#9357: Kind-polymorphic type family accepts unlifted type arguments
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              Reporter:  kosmikus    |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.8.2
  (Type checker)                     |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:  GHC         |  Related Tickets:
  accepts invalid program            |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"a997f2df785448648e7137a88d6b38eeb2643aa1/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="a997f2df785448648e7137a88d6b38eeb2643aa1"
 Check for boxed tau types in the LHS of type family instances

 Fixes Trac #9357
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9357#comment:1>
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