[GHC] #12870: Allow completely disabling +RTS options parsing

[GHC]

#12870: Allow completely disabling +RTS options parsing
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        Reporter:  nh2               |                Owner:
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
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 rwbarton):

 Agree that this would be useful, but as a workaround you can always use
 `--RTS` as the first argument to your program; it will be consumed by the
 RTS, and then disable all further command-line processing by the RTS.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12870#comment:2>
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