[GHC] #9747: Odd failure to deduce a constraint

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Fri Oct 31 08:53:03 UTC 2014


#9747: Odd failure to deduce a constraint
-------------------------------------+-------------------------------------
              Reporter:  acowley     |            Owner:
                  Type:  bug         |           Status:  closed
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.8.3
            Resolution:  fixed       |         Keywords:  TypeFamilies
      Operating System:              |  ConstraintKinds
  Unknown/Multiple                   |     Architecture:  Unknown/Multiple
       Type of failure:              |       Difficulty:  Unknown
  None/Unknown                       |       Blocked By:
             Test Case:  indexed-    |  Related Tickets:
  types/should_compile/T9747         |
              Blocking:              |
Differential Revisions:              |
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * testcase:   => indexed-types/should_compile/T9747


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9747#comment:4>
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