[GHC] #8449: Core lint error with data families and promotion across modules

[GHC]

#8449: Core lint error with data families and promotion across modules
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        Reporter:  goldfire          |            Owner:
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.7
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"f7e7948b63be5a4be884f0e71ca9b3e7b4b3be91/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="f7e7948b63be5a4be884f0e71ca9b3e7b4b3be91"
 When de-serialising interfaces, need to distinguish types from kinds

 This patches fixes two separate instances of the bug,

  * one in tc_ax_branches (Trac #8449)

  * one in type/kind applications in IfaceExpr
    (hence the new tcIfaceApps)

 The latter was reported by Iavor, no ticket
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8449#comment:2>
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