[GHC] #9936: Data.Fixed truncates 5.17 to 5.16

[GHC]

#9936: Data.Fixed truncates 5.17 to 5.16
-------------------------------------+-------------------------------------
        Reporter:  singpolyma        |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  libraries/base    |                 Version:  7.6.3
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Incorrect result  |  Unknown/Multiple
  at runtime                         |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------

Comment (by ekmett):

 #9231 tackles somewhat similar issues.

 Does the fix there address this?

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9936#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler