[GHC] #14205: GHCI freaked out when I tryed to load a program and told me to report it as a bug.

8 Sep 2017


      #14205: GHCI freaked out when I tryed to load a program and told me to report it as
a bug.
-------------------------------------+-------------------------------------
           Reporter:  Ebanflo        |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.0.2
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 ghc: panic! (the 'impossible' happened)
   (GHC version 8.0.2 for x86_64-unknown-linux):
         initTc: unsolved constraints
   WC {wc_insol = [W] %_a2g7 :: t_a2g6[tau:1] (CHoleCan: %)}

 Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
...
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Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14205
GHC http://www.haskell.org/ghc/
The Glasgow Haskell Compiler