[GHC] #13833: Instances with GHC.TypeLits.Nat/Symbol should be possible without FlexibleInstances.

[GHC]

#13833: Instances with GHC.TypeLits.Nat/Symbol should be possible without
FlexibleInstances.
-------------------------------------+-------------------------------------
        Reporter:  Hjulle            |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  low               |            Milestone:
       Component:  Compiler          |              Version:  8.0.2
      Resolution:                    |             Keywords:  newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4823
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"42f3b53b5bc4674e41f16de08094821fe1aaec00/ghc"
 42f3b53b/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="42f3b53b5bc4674e41f16de08094821fe1aaec00"
 Fix #13833: accept type literals with no FlexibleInstances

 Test Plan: ./validate

 Reviewers: bgamari, simonpj

 Reviewed By: bgamari, simonpj

 Subscribers: simonpj, rwbarton, thomie, carter

 GHC Trac Issues: #13833

 Differential Revision: https://phabricator.haskell.org/D4823
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13833#comment:7>
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