[GHC] #11189: bang pattern parsing inconsistency

[GHC]

#11189: bang pattern parsing inconsistency
-------------------------------------+-------------------------------------
        Reporter:  osa1              |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.11
  (Parser)                           |
      Resolution:  duplicate         |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #10732            |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by thomie):

 * status:  new => closed
 * resolution:   => duplicate
 * component:  Compiler => Compiler (Parser)
 * related:   => #10732


Comment:

 This parses:
 {{{
 len3 (!x : (!xs)) = 1 + len xs
 }}}

 Anyway, duplicate of #10732.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11189#comment:2>
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