[GHC] #13300: panic! isInjectiveTyCon sees a TcTyCon W

[GHC]

#13300: panic! isInjectiveTyCon sees a TcTyCon W
-------------------------------------+-------------------------------------
        Reporter:  siddhanathan      |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.2
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by simonpj):

 Actually this particular one appeared to be fixed before; I'm not sure
 how.  But we have a regression test for it now, so all good.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13300#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler