[GHC] #13879: Strange interaction between higher-rank kinds and type synonyms

[GHC]

#13879: Strange interaction between higher-rank kinds and type synonyms
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.0.1
  checker)                           |
      Resolution:                    |             Keywords:  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"c80920d26f4eef8e87c130412d007628cff7589d/ghc"
 c80920d2/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="c80920d26f4eef8e87c130412d007628cff7589d"
 Do zonking in tcLHsKindSig

 Trac #13879 showed that there was a missing zonk in tcLHsKind.

 I also renamed it to tcLHsKindSig, for consistency with type signatures
 There's a commment to explain why the zonk is needed.
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13879#comment:3>
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