[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     |           Status:  patch
  request                            |        Milestone:  7.10.1
              Priority:  normal      |          Version:  7.8.3
             Component:              |         Keywords:
  libraries/base                     |     Architecture:  Unknown/Multiple
            Resolution:              |       Difficulty:  Unknown
      Operating System:              |       Blocked By:
  Unknown/Multiple                   |  Related Tickets:
       Type of failure:              |
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:  Phab:D519   |
-------------------------------------+-------------------------------------
Changes (by carter):

 * status:  new => patch
 * differential:   => Phab:D519


Comment:

 still need to add tests... but storable per se has no tests in base!

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9826#comment:1>
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