[GHC] #12099: ghc --show-options lists invalid flags

[GHC]

#12099: ghc --show-options lists invalid flags
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        Reporter:  DanielG           |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:  newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Other             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2281
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"bcb419a41754bbd883973c96d4b0bca4639e4f2d/ghc"
 bcb419a4/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="bcb419a41754bbd883973c96d4b0bca4639e4f2d"
 Fix #12099: Remove bogus flags

 Remove -fwarn- and -fno-warn- from flagsForCompletion

 Testcase: Fix linter error on T12099

 For Issue #12099

 Reviewers: austin, thomie, bgamari

 Reviewed By: austin, thomie, bgamari

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D2281

 GHC Trac Issues: #12099
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12099#comment:3>
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