[GHC] #13410: GHC HEAD regression: Template variable unbound in rewrite rule

[GHC]

#13410: GHC HEAD regression: Template variable unbound in rewrite rule
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:  JoinPoints
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:                    |
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Comment (by RyanGlScott):

 Huh, the commit which caused the regression in comment:4 is
 6746549772c5cc0ac66c0fce562f297f4d4b80a2 (Add kind equalities to GHC).
 What this means, I have no idea.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13410#comment:6>
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