[GHC] #14440: Duplicate type family instances are permitted

[GHC]

#14440: Duplicate type family instances are permitted
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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:  TypeFamilies
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            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:

 Ah, I wasn't aware that this had already been debated before. My
 apologies.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14440#comment:4>
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