[GHC] #10821: Add a flag to avoid generation of .hi, .o, .dyn_* files

[GHC]

#10821: Add a flag to avoid generation of .hi, .o, .dyn_* files
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        Reporter:  spinda            |                   Owner:
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.10.2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by ezyang):

 Note that actually just dumping them all in `/tmp` is not such a good
 idea, you should make a new temporary directory for each compilation run.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10821#comment:3>
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