[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:                    |
-------------------------------------+-------------------------------------

Comment (by Ben Gamari <ben@…>):

 In [changeset:"10a971208dcd537742fe4e15b2713eb0f3052a3a/ghc"
 10a97120/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="10a971208dcd537742fe4e15b2713eb0f3052a3a"
 testsuite: Add testcase for #16394
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16394#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler