[GHC] #11237: Type synonyms are not expanded in the data type declaration return kind

[GHC]

#11237: Type synonyms are not expanded in the data type declaration return kind
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        Reporter:  thomasw           |                Owner:  jstolarek
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  7.11
  checker)                           |
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHC rejects       |            Test Case:
  valid program                      |  typecheck/should_compile/T11237
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1636
       Wiki Page:                    |
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Comment (by Jan Stolarek <jan.stolarek@…>):

 In [changeset:"efaa51de15017b92618634898fc2c2aee2c5fd5b/ghc"
 efaa51de/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="efaa51de15017b92618634898fc2c2aee2c5fd5b"
 Look through type synonyms in GADT kind signatures

 Summary: Fixes #11237

 Test Plan: ./validate

 Reviewers: goldfire, austin, bgamari

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D1636

 GHC Trac Issues: #11237
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11237#comment:5>
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