[GHC] #8668: SPECIALIZE silently fails to apply

[GHC]

#8668: SPECIALIZE silently fails to apply
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        Reporter:  crockeea          |            Owner:
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.6.2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  x86_64 (amd64)
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by carter):

 If you write the SPECIALIZE pragma instance in the defining module for the
 operation (assuming the associated class instances specialize too, check
 that they can specialize mebe?), you don't need the INLINEABLE (unless you
 want other instances to be specialized).

 what happens when you go one step in the other direction and use INLINE?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8668#comment:8>
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