[GHC] #9211: Untouchable type variable (regression from 7.6)

[GHC]

#9211: Untouchable type variable (regression from 7.6)
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              Reporter:  simonpj     |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.8.2
            Resolution:              |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Unknown
       Type of failure:              |       Blocked By:
  None/Unknown                       |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"4723a0e39b5eb7a47457696aceb67f8e230a42e6/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="4723a0e39b5eb7a47457696aceb67f8e230a42e6"
 Test Trac #9211
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9211#comment:8>
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