[GHC] #12113: ghc-8.0.1-rc4: unification false positive?

[GHC]

#12113: ghc-8.0.1-rc4: unification false positive?
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        Reporter:  _deepfire         |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1-rc4
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC accepts       |  Unknown/Multiple
  invalid program                    |            Test Case:  Yes.
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by _deepfire):

 * cc: Richard, Eisenberg, <eir@…> (added)


Comment:

 Cc: @goldfire

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12113#comment:2>
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