[GHC] #8176: Language extensions not registered

[GHC]

#8176: Language extensions not registered
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        Reporter:  duncan            |                Owner:
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.7
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  tests/driver/T4437.hs
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 I have opened #11359 to track the potential removal of these three layout
 language extensions.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8176#comment:15>
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