[GHC] #8640: :show imports ignores -XNoImplicitPrelude

[GHC]

#8640: :show imports ignores -XNoImplicitPrelude
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       Reporter:  monoidal          |             Owner:
           Type:  bug               |            Status:  new
       Priority:  normal            |         Milestone:
      Component:  GHCi              |           Version:  7.6.3
       Keywords:                    |  Operating System:  Unknown/Multiple
   Architecture:  Unknown/Multiple  |   Type of failure:  None/Unknown
     Difficulty:  Unknown           |         Test Case:
     Blocked By:                    |          Blocking:
Related Tickets:                    |
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 The implicit import should not be shown:

 {{{
 $ ghci -XNoImplicitPrelude
 ...
 > :show imports
 import Prelude -- implicit
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8640>
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