[GHC] #11197: Overeager deferred type errors

[GHC]

#11197: Overeager deferred type errors
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        Reporter:  goldfire          |                Owner:  goldfire
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.0.2
       Component:  Compiler (Type    |              Version:  7.11
  checker)                           |
      Resolution:                    |             Keywords:  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 It looks like this is already affecting users: https://github.com/CRogers
 /should-not-typecheck/pull/6.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11197#comment:8>
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