[GHC] #12021: Type variable escapes its scope

[GHC]

#12021: Type variable escapes its scope
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        Reporter:  ttuegel           |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.0.3
       Component:  Compiler          |              Version:  8.0.1-rc4
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:  x86_64
 Type of failure:  GHC rejects       |  (amd64)
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by bgamari):

 * milestone:  8.0.2 => 8.0.3


Comment:

 Punting off to 8.0.3.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12021#comment:3>
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