[GHC] #15261: Show -with-rtsopts options in runtime's --info

[GHC]

#15261: Show -with-rtsopts options in runtime's --info
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        Reporter:  osa1              |                Owner:  RolandSenn
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Compiler          |              Version:  8.4.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:  T15261a
                                     |  T15261b
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5053
       Wiki Page:                    |
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Changes (by RolandSenn):

 * differential:  Phab: D5053 => Phab:D5053


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15261#comment:4>
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