[GHC] #15558: Locally handling an empty constraint

[GHC]

#15558: Locally handling an empty constraint
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        Reporter:  Ericson2314       |                Owner:  (none)
            Type:  task              |               Status:  closed
        Priority:  normal            |            Milestone:  ⊥
       Component:  Compiler          |              Version:  8.0.1
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  error/warning at compile-time      |            Test Case:  gadt/T15558
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by simonpj):

 * status:  new => closed
 * testcase:   => gadt/T15558
 * resolution:   => fixed


Comment:

 Good points. Now fixed.  For comment:8, the error is now attributed to the
 `()` argument to `MkFoo` as it should be. Thank you for a nice clean
 example.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15558#comment:10>
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