[GHC] #8221: Type checker hangs

[GHC]

#8221: Type checker hangs
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        Reporter:  maxs                       |            Owner:  dreixel
            Type:  bug                        |           Status:  new
        Priority:  highest                    |        Milestone:  7.8.1
       Component:  Compiler                   |          Version:  7.7
      Resolution:                             |         Keywords:  hangs
Operating System:  Unknown/Multiple           |     Architecture:  arm
 Type of failure:  GHC rejects valid program  |       Difficulty:  Unknown
       Test Case:                             |       Blocked By:
        Blocking:                             |  Related Tickets:
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Changes (by thoughtpolice):

 * owner:   => dreixel
 * priority:  normal => highest
 * os:  MacOS X => Unknown/Multiple
 * milestone:   => 7.8.1


Comment:

 I can confirm this behavior with a copy of HEAD build from Friday (my HEAD
 is `7e91e5bf84c2b3f461934b43911c0defb61dd9c6`.) This is obviously quite a
 problem.

 José, will you take a look please?

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8221#comment:1>
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