[GHC] #7061: Allow 'default' declarations within GHCi

[GHC]

#7061: Allow  'default' declarations within GHCi
------------------------------+---------------------------------------------
 Reporter:  parcs             |          Owner:                  
     Type:  feature request   |         Status:  new             
 Priority:  normal            |      Component:  GHCi            
  Version:  7.4.2             |       Keywords:                  
       Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
  Failure:  None/Unknown      |       Testcase:                  
Blockedby:                    |       Blocking:                  
  Related:                    |  
------------------------------+---------------------------------------------
 GHCi currently doesn't support 'default' declarations, and #4929 somehow
 missed it (or perhaps it was intentionally not implemented?)

 Nonetheless, the addition turned out to be seemingly straightforward.
 Patch attached.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7061>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler