[GHC] #12826: TyVar ASSERT failure in type family checking: T12041

[GHC]

#12826: TyVar ASSERT failure in type family checking: T12041
-------------------------------------+-------------------------------------
        Reporter:  simonpj           |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:  fixed             |             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:                    |
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 Fixed. T12041 now works even with `-DEEBUG`.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12826#comment:3>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler