[GHC] #9032: Panic with self-import

[GHC]

#9032: Panic with self-import
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              Reporter:  jstolarek   |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  highest     |        Milestone:  7.10.1
             Component:  Template    |          Version:  7.8.2
  Haskell                            |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:  Compile-    |  Related Tickets:  #1012
  time crash                         |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"edd233acc19d269385c1a870829e0916a3df8e88/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="edd233acc19d269385c1a870829e0916a3df8e88"
 Test earlier for self-import (Trac #9032)

 This patch makes the renamer check for self-import, especially when
 dependencies change, because the typechecker can fall over if that
 happens.

 I'm still uneasy about *indirect* self-import, but I'll leave that for
 another day
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9032#comment:7>
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