[GHC] #13025: Type family reduction irregularity (change from 7.10.3 to 8.0.1)

[GHC]

#13025: Type family reduction irregularity (change from 7.10.3 to 8.0.1)
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        Reporter:  acowley           |                Owner:
            Type:  bug               |               Status:  merge
        Priority:  normal            |            Milestone:  8.0.3
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:  TypeFamilies
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Runtime           |            Test Case:
  performance bug                    |  simplCore/should_compile/T13025
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 OK I fixed comment:13. Well spotted Richard!

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13025#comment:15>
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