[GHC] #11319: ImpredicativeTypes even more broken than usual

[GHC]

#11319: ImpredicativeTypes even more broken than usual
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        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  7.11
  checker)                           |             Keywords:
      Resolution:                    |  ImpredicativeTypes
Operating System:  Linux             |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHC rejects       |            Test Case:
  valid program                      |  typecheck/should_compile/T11319
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Iceland_jack):

 I also noticed this paper ([https://www.microsoft.com/en-us/research/wp-
 content/uploads/2017/07/impredicative-Jul17.pdf Guarded impredicative
 polymorphism]) from Simon's website as "in submission", how does it
 relate? :)

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11319#comment:13>
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