[GHC] #12473: Ambiguous type var with DefaultSignatures and FunctionalDependencies

[GHC]

#12473: Ambiguous type var with DefaultSignatures and FunctionalDependencies
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        Reporter:  dylex             |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.0.1
  checker)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 Happily, this is (I am almost certain) a dup of #12151, which is both
 fixed, and merged to the 8.0.2 branch.

 So worth checking that this works with 8.0.2, then close.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12473#comment:3>
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