[GHC] #11643: Core lint error in simplifier when compiling Rules1 with -O -dcore-lint

[GHC]

#11643: Core lint error in simplifier when compiling Rules1 with -O -dcore-lint
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        Reporter:  thomie            |                Owner:
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  8.0.1-rc2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:  indexed-
                                     |  types/should_compile/Rules1
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 I think this is fixed.  Can someone check and un-mark those tests?
 Thanks!

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11643#comment:5>
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