[GHC] #13335: Non-abstract types also have skolem nature

[GHC]

#13335: Non-abstract types also have skolem nature
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        Reporter:  ezyang            |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler (Type    |              Version:  8.1
  checker)                           |
      Resolution:                    |             Keywords:  backpack
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Edward Z. Yang <ezyang@…>):

 In [changeset:"9603de6ac7a75ea7c620ce05e3c5f500bcaf5dd6/ghc"
 9603de6a/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="9603de6ac7a75ea7c620ce05e3c5f500bcaf5dd6"
 Treat all TyCon with hole names as skolem abstract.

 Summary:
 Fixes #13335.

 Signed-off-by: Edward Z. Yang <ezyang at cs.stanford.edu>

 Test Plan: validate

 Reviewers: goldfire, austin, simonpj, bgamari

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D3211
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13335#comment:1>
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