[GHC] #1896: Keep old bindings until :load succeeds

[GHC]

#1896: Keep old bindings until :load succeeds
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    Reporter:  tibbe             |        Owner:              
        Type:  feature request   |       Status:  new         
    Priority:  low               |    Milestone:  7.2.1       
   Component:  GHCi              |      Version:  6.8.1       
    Keywords:                    |     Testcase:              
   Blockedby:                    |   Difficulty:  Unknown     
          Os:  Unknown/Multiple  |     Blocking:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
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Changes (by JonasDuregard):

 * cc: jonas.duregard@… (added)
  * failure:  => None/Unknown


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1896#comment:11>
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