[GHC] #11381: Put injective type families in a separate language extension

[GHC]

#11381: Put injective type families in a separate language extension
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        Reporter:  jstolarek         |                Owner:  jstolarek
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  8.0.1-rc1
      Resolution:                    |             Keywords:  TypeFamilies,
                                     |  Injective
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:  driver/T11381
      Blocked By:                    |             Blocking:
 Related Tickets:  #6018             |  Differential Rev(s):  Phab:D1750
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"fbd6de2f0761b63a5f0a88ce0590f515d63790a4/ghc"
 fbd6de2f/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="fbd6de2f0761b63a5f0a88ce0590f515d63790a4"
 Add InjectiveTypeFamilies language extension

 Previously injective type families were part of TypeFamilies.
 Now they are in a separate language extension.

 Test Plan: ./validate

 Reviewers: austin, bgamari, goldfire

 Reviewed By: bgamari

 Subscribers: goldfire, thomie

 Differential Revision: https://phabricator.haskell.org/D1750

 GHC Trac Issues: #11381
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11381#comment:2>
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