[GHC] #10560: -f and -O options interact in non-obvious, order dependent ways

[GHC]

#10560: -f and -O options interact in non-obvious, order dependent ways
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        Reporter:  bgamari           |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  warning at compile-time            |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"128b678061120270d3d4fe3eccd1b7dc76a8de35/ghc" 128b678/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="128b678061120270d3d4fe3eccd1b7dc76a8de35"
 user-guide: Note order-dependence of flags

 This supplements the description previously added in
 6400c7687223c5b2141176aa92f7ff987f61aba6. See #10560 for details.

 Test Plan: read it

 Reviewers: austin

 Subscribers: thomie, hvr

 Differential Revision: https://phabricator.haskell.org/D1831

 GHC Trac Issues: #10560
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10560#comment:22>
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