[GHC] #12126: Bad error messages for SPECIALIZE pragmas

[GHC]

#12126: Bad error messages for SPECIALIZE pragmas
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        Reporter:  antalsz           |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:  Specialize,
                                     |  ErrorMessages
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  warning at compile-time            |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by antalsz):

 * Attachment "Test1.hs" added.

 Incorrect defaulting in a `SPECIALIZE` error message

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12126>
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