[GHC] #15329: Cannot parse `type (*)` in fixity declaration

30 Jun 2018

      #15329: Cannot parse `type (*)` in fixity declaration
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           Reporter:  goldfire       |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  highest        |         Milestone:  8.6.1
          Component:  Compiler       |           Version:  8.5
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 Vanessa McHale posts:

 The parser seems to be broken. Attempting to build
 [http://hackage.haskell.org/package/basement basement] yields:

 {{{
 Basement/Nat.hs:15:46: error: parse error on input ‘*’ | 15 | , type (<=),
 type (<=?), type (+), type (*), type (^), type (-) | ^
 }}}

 This is actually in 8.6.0, but there is no version option for this.

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Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15329
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