[GHC] #16000: Don't suggest Rank2Types and RankNTypes, only the latter

[GHC]

#16000: Don't suggest Rank2Types and RankNTypes, only the latter
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        Reporter:  chessai           |                Owner:  (none)
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.6.2
  (Parser)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5447
       Wiki Page:                    |
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Comment (by Krzysztof Gogolewski <krz.gogolewski@…>):

 In [changeset:"de50f8fd432f88d26a08b07c7bf08c5bff25472e/ghc" de50f8f/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="de50f8fd432f88d26a08b07c7bf08c5bff25472e"
 don't suggest Rank2Types in error messages (Fixed #16000)

 Summary: Rank2Types is deprecated. Don't suggest to users to use it.

 Reviewers: bgamari, RyanGlScott, simonpj

 Reviewed By: RyanGlScott, simonpj

 Subscribers: RyanGlScott, rwbarton, carter

 GHC Trac Issues: #16000

 Differential Revision: https://phabricator.haskell.org/D5447
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16000#comment:4>
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