[GHC] #16394: GHC internal error while typechecking of instance definition

[GHC]

#16394: GHC internal error while typechecking of instance definition
-------------------------------------+-------------------------------------
        Reporter:  Day1721           |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  low               |            Milestone:  8.8.1
       Component:  Compiler (Type    |              Version:  8.6.3
  checker)                           |
      Resolution:  fixed             |             Keywords:
Operating System:  Linux             |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Incorrect         |            Test Case:
  error/warning at compile-time      |  typecheck/should_fail/T16394
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  MR!496
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * testcase:   => typecheck/should_fail/T16394
 * differential:   => MR!496


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16394#comment:4>
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