[GHC] #8878: Export runTcInteractive from TcRnDriver

[GHC]

#8878: Export runTcInteractive from TcRnDriver
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        Reporter:  holzensp    |            Owner:  holzensp
            Type:  feature     |           Status:  new
  request                      |        Milestone:  7.8.1
        Priority:  lowest      |          Version:  7.6.3
       Component:  Compiler    |         Keywords:
      Resolution:              |     Architecture:  Unknown/Multiple
Operating System:              |       Difficulty:  Easy (less than 1 hour)
  Unknown/Multiple             |       Blocked By:
 Type of failure:              |  Related Tickets:
  None/Unknown                 |
       Test Case:              |
        Blocking:              |
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Comment (by simonpj):

 OK I've done this, and also exported it from module GHC, which is supposed
 to be the API that clients use.

 Is it important to merge this into 7.8?  It is very late in the day, but
 its a very innocuous change.

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8878#comment:3>
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