[GHC] #9860: Package flags not command line completable in 7.8

[GHC]

#9860: Package flags not command line completable in 7.8
-------------------------------------+-------------------------------------
       Reporter:  kolmodin           |                   Owner:
           Type:  bug                |                  Status:  new
       Priority:  normal             |               Milestone:  7.8.4
      Component:  Compiler           |                 Version:  7.8.3
       Keywords:                     |        Operating System:
   Architecture:  Unknown/Multiple   |  Unknown/Multiple
     Difficulty:  Unknown            |         Type of failure:  Incorrect
     Blocked By:                     |  result at runtime
Related Tickets:                     |               Test Case:
                                     |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------
 Passing `--show-options` to ghc shows all the flags that ghc understands.

 Unfortunately `--show-options` does not list the package flags, `-package-
 db -package-id` etc.

 Requires a 1 line fix in `ghc/Main.hs`.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9860>
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