[GHC] #8200: Export languageExtensions from DynFlags

[GHC]

#8200: Export languageExtensions from DynFlags
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        Reporter:  Fuuzetsu          |            Owner:  jstolarek
            Type:  feature request   |           Status:  patch
        Priority:  normal            |        Milestone:
       Component:  GHC API           |          Version:  7.7
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by Jan Stolarek <jan.stolarek@…>):

 In [changeset:160160ff51e0e90693e74b6b0f306292e6c61170/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="160160ff51e0e90693e74b6b0f306292e6c61170"
 Export languageExtensions as part of the API.

 Fixes #8200
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8200#comment:4>
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