[GHC] #11438: Code does not compile without ScopedTypeVariables

[GHC]

#11438: Code does not compile without ScopedTypeVariables
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        Reporter:  wereHamster       |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      Resolution:  duplicate         |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #1316, #9244,     |  Differential Rev(s):
  #3691                              |
       Wiki Page:                    |
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Changes (by thomie):

 * status:  new => closed
 * resolution:   => duplicate
 * related:   => #1316, #9244, #3691


Comment:

 goldfire, hold that thought, but also subscribe to #9244.

 I'm closing this as a duplicate, so we can keep discussion in one place.
 #9244 has a nice test case (without dependencies), and some other
 suggestions for a better error message.

 wereHamster: thanks for reporting!

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11438#comment:4>
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