Re: [GHC] #10911: Allow left ∨ (+++) as minimal definition of ArrowChoice instance

[GHC]

#10911: Allow left ∨ (+++) as minimal definition of ArrowChoice instance
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        Reporter:  mfdyck.google     |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:  8.0.1
       Component:  Core Libraries    |                 Version:  7.10.2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Changes (by mfdyck.google):

 * Attachment "0001-unbreak-Text.Read.Lex.lex.patch" added.

 Behave as GHC lexer

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10911>
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