[GHC] #9126: -ddump-to-file in TcRnMonad.lhs

[GHC]

#9126: -ddump-to-file in TcRnMonad.lhs
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       Reporter:  GregWeber         |             Owner:
           Type:  bug               |            Status:  new
       Priority:  normal            |         Milestone:
      Component:  Compiler          |           Version:  7.8.2
       Keywords:                    |  Operating System:  Unknown/Multiple
   Architecture:  Unknown/Multiple  |   Type of failure:  None/Unknown
     Difficulty:  Unknown           |         Test Case:
     Blocked By:                    |          Blocking:
Related Tickets:                    |
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 As part of #8624, the first thing we realized is -ddump-to-file wasn't
 being respected. This is against HEAD, but I would really like to merge it
 to 7.8.3 if that is ok.

 I tested this with -ddump-tc and -ddump-splices.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9126>
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