[GHC] #3820: Pragma for suppressing 'orphan instance' warnings per instance

[GHC]

#3820: Pragma for suppressing 'orphan instance' warnings per instance
----------------------------------------+-----------------------------------
    Reporter:  guest                    |        Owner:              
        Type:  feature request          |       Status:  new         
    Priority:  normal                   |    Milestone:              
   Component:  Compiler (Type checker)  |      Version:  6.12.1      
    Keywords:                           |   Difficulty:              
          Os:  Unknown/Multiple         |     Testcase:              
Architecture:  Unknown/Multiple         |      Failure:  None/Unknown
----------------------------------------+-----------------------------------

Comment(by simonpj):

 Reasonable request.  I'd be happy to advise anyone who wanted to implement
 it.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3820#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler