[GHC] #9216: hiding imports doesn't seem to check if an import exists

[GHC]

#9216: hiding imports doesn't seem to check if an import exists
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        Reporter:  flazz                        |            Owner:
            Type:  bug                          |           Status:  closed
        Priority:  normal                       |        Milestone:
       Component:  Compiler                     |          Version:  7.6.3
      Resolution:  invalid                      |         Keywords:  import
Operating System:  Unknown/Multiple             |  hiding
 Type of failure:  GHC accepts invalid program  |     Architecture:
       Test Case:                               |  Unknown/Multiple
        Blocking:                               |       Difficulty:
                                                |  Unknown
                                                |       Blocked By:
                                                |  Related Tickets:
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"cdc74311a23beef47d1418349d492a17bf62ed6f/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="cdc74311a23beef47d1418349d492a17bf62ed6f"
 Add a new section to the manual about hiding things that a module doesn't
 export

 See Trac #9216
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9216#comment:2>
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