[GHC] #9826: add Storable Complex and Ratio instance to base library

[GHC]

#9826: add Storable Complex and Ratio instance to base library
-------------------------------------+-------------------------------------
       Reporter:  carter             |                   Owner:  carter
           Type:  feature request    |                  Status:  new
       Priority:  normal             |               Milestone:  7.10.1
      Component:  libraries/base     |                 Version:  7.8.3
       Keywords:                     |        Operating System:
   Architecture:  Unknown/Multiple   |  Unknown/Multiple
     Difficulty:  Unknown            |         Type of failure:
     Blocked By:                     |  None/Unknown
Related Tickets:                     |               Test Case:
                                     |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------
 per the libraries discussion + core libraries committee OK,
 I'm putting a phab differential up for adding Storable instances for
 Complex and Ratio

 (and then noticing that theres basically NO tests for Storable except
 indirectly)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9826>
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