[GHC] #16113: T14740 fails in debugged compiler

[GHC]

#16113: T14740 fails in debugged compiler
-------------------------------------+-------------------------------------
        Reporter:  bgamari           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.8.1
       Component:  Compiler (Type    |              Version:  8.6.3
  checker)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by bgamari):

 The same assertion also fails in `tcfail159`.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16113#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler