[GHC] #10188: prefix type-level cons can't be parsed

[GHC]

#10188: prefix type-level cons can't be parsed
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        Reporter:  Kinokkory         |                   Owner:  Kinokkory
            Type:  bug               |                  Status:  patch
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  7.8.4
  (Parser)                           |                Keywords:
      Resolution:                    |            Architecture:
Operating System:  Unknown/Multiple  |  Unknown/Multiple
 Type of failure:  GHC rejects       |               Test Case:
  valid program                      |                Blocking:
      Blocked By:                    |  Differential Revisions:  Phab:D768
 Related Tickets:  #10189            |
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"012ea0b96cc041bced4565d74bef7ccb75f1af0d/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="012ea0b96cc041bced4565d74bef7ccb75f1af0d"
 parser: allow type-level cons in prefix position

 Reviewed By: austin

 Differential Revision: https://phabricator.haskell.org/D768

 GHC Trac Issues: #10188
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10188#comment:11>
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