[GHC] #13385: ghci fails to start when -XRebindableSyntax is passed

[GHC]

#13385: ghci fails to start when -XRebindableSyntax is passed
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           Reporter:  mgsloan        |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  GHCi           |           Version:  8.0.2
           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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 Running "ghci -XRebindableSyntax" yields the following output:

 {{{
 GHCi, version 8.0.2: http://www.haskell.org/ghc/  :? for help

 <interactive>:1:6: error: Not in scope: ‘>>’

 <interactive>:1:70: error: Not in scope: ‘>>’

 <interactive>:1:135: error: Not in scope: ‘return’
 }}}

 This appears to be a regression, as it does not occur with ghc-7.10.3.
 Originally reported as a stack issue by Michal Konecny -
 https://github.com/commercialhaskell/stack/issues/3043

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13385>
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The Glasgow Haskell Compiler