[GHC] #12746: Assertion failed with BuildFlavour = devel2 (one more)

[GHC]

#12746: Assertion failed with  BuildFlavour = devel2 (one more)
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        Reporter:  pacak             |                Owner:  mpickering
            Type:  bug               |               Status:  merge
        Priority:  high              |            Milestone:  8.0.2
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
                                     |  PatternSynonyms
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):  Phab:D2624
       Wiki Page:                    |
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Changes (by bgamari):

 * status:  patch => merge
 * milestone:   => 8.0.2


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12746#comment:9>
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