[GHC] #7135: Data.Bits can still have default implementations for testBit, bit, and popCount by using -XDefaultSignatures

[GHC]

#7135: Data.Bits can still have default implementations for testBit, bit, and
popCount by using -XDefaultSignatures
------------------------------+---------------------------------------------
 Reporter:  joeyadams         |          Owner:                  
     Type:  feature request   |         Status:  new             
 Priority:  normal            |      Component:  libraries/base  
  Version:                    |       Keywords:                  
       Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
  Failure:  None/Unknown      |       Testcase:                  
Blockedby:                    |       Blocking:                  
  Related:                    |  
------------------------------+---------------------------------------------
Changes (by joeyadams):

  * component:  Runtime System => libraries/base


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7135#comment:1>
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