[GHC] #11798: Explicit recompilation required to change compilation options

[GHC]

#11798: Explicit recompilation required to change compilation options
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        Reporter:  drathier          |                Owner:  (none)
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3368
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"14b46a556dde8a2795ff5ede46ba8ee63368ae93/ghc" 14b46a5/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="14b46a556dde8a2795ff5ede46ba8ee63368ae93"
 Recompile if -fhpc is added or removed (#11798)

 Test Plan: validate

 Reviewers: austin, bgamari, dfeuer

 Reviewed By: dfeuer

 Subscribers: dfeuer, thomie

 Differential Revision: https://phabricator.haskell.org/D3368
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11798#comment:6>
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