[GHC] #13601: GHC errors but hangs

[GHC]

#13601: GHC errors but hangs
-------------------------------------+-------------------------------------
        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:  TypeInType,
                                     |  LevityPolymorphism
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #13819            |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by RyanGlScott):

 * related:   => #13819


Comment:

 This was fixed in c2417b87ff59c92fbfa8eceeff2a0d6152b11a47 (Fix #13819 by
 refactoring TypeEqOrigin.uo_thing). TODO: Add a regression test.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13601#comment:7>
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