[GHC] #9259: GHCi should list its available command line options

[GHC]

#9259: GHCi should list its available command line options
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              Reporter:  jstolarek   |            Owner:  kolmodin
                  Type:  feature     |           Status:  new
  request                            |        Milestone:
              Priority:  normal      |          Version:
             Component:  Driver      |         Keywords:  newcomer
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:  Phab:D337   |
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Comment (by thomie):

 I am currently running into `panic`s using `ghc-7.9.20141113 --interactive
 --show-options`, see #9799. I guess these will go away once Phab:D337 is
 landed.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9259#comment:8>
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