[GHC] #14322: Simplifying an instance context makes a rewrite rule no longer typecheck

[GHC]

#14322: Simplifying an instance context makes a rewrite rule no longer typecheck
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.2.1
  checker)                           |
      Resolution:  invalid           |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by RyanGlScott):

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


Comment:

 Very well. I suppose then that the warning is as accurate as it can
 possibly be in this scenario, since it advertises `MonoLocalBinds`.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14322#comment:2>
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