[GHC] #15290: QuantifiedConstraints: panic "addTcEvBind NoEvBindsVar"

GHC ghc-devs at haskell.org
Sat Jun 23 03:16:59 UTC 2018


#15290: QuantifiedConstraints: panic "addTcEvBind NoEvBindsVar"
-------------------------------------+-------------------------------------
        Reporter:  goldfire          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.4.3
      Resolution:                    |             Keywords:
                                     |  QuantifiedConstraints
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:  quantified-
                                     |  constraints/T15290, T15290a
      Blocked By:                    |             Blocking:  9123, 14883
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by goldfire):

 Replying to [comment:21 simonpj]:
 > I'm on it.  Digging through manure in `TcHsType`.

 Presumably mine. What's up this time? :)

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15290#comment:23>
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