[GHC] #11610: Remove IEThingAll constructor from IE datatype

[GHC]

#11610: Remove IEThingAll constructor from IE datatype
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        Reporter:  mpickering        |                Owner:
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by mpickering):

 Yes,

 Today you can write

 {{{#!hs
 {-# LANGUAGE PatternSynonyms #-}

 module Foo(T(.., P)) where

 data T = T

 pattern P :: T
 pattern P = T
 }}}

 which is documented here -
 http://downloads.haskell.org/~ghc/8.0.1-rc2/docs/html/users_guide/glasgow_exts.html
 #import-and-export-of-pattern-synonyms

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11610#comment:2>
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