[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:"4bdac331207e10650da9d3bf1b446bc8be3c069a/ghc"
 4bdac331/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="4bdac331207e10650da9d3bf1b446bc8be3c069a"
 Fix the in-scope set in TcHsType.instantiateTyN

 See Trac #13879
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13879#comment:2>
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