[GHC] #14391: Make the simplifier independent of the typechecker

[GHC]

#14391: Make the simplifier independent of the typechecker
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        Reporter:  nomeata           |                Owner:  (none)
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.3
      Resolution:                    |             Keywords:  newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by ulysses4ever):

 Ok, after some more thinking it seems to me that importing just
 `TcRnTypes` is not big deal. Now I'm wondering if it is legit to deal with
 `initIfaceTcRn` by just repalacing it with `TcRnMonad.initIfaceLoad`. If
 so, do we need to move it to some less `Tc`-heavy place?

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14391#comment:10>
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