[GHC] #15970: Recompilation bug with default class methods

[GHC]

#15970: Recompilation bug with default class methods
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        Reporter:  simonmar          |                Owner:  simonmar
            Type:  bug               |               Status:  patch
        Priority:  highest           |            Milestone:  8.6.3
       Component:  Compiler          |              Version:  8.6.2
      Resolution:                    |             Keywords:
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:D5394
       Wiki Page:                    |
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Changes (by simonmar):

 * status:  new => patch
 * differential:   => Phab:D5394


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15970#comment:2>
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