[GHC] #12959: GHC doesn't warn about missing implementations for class methods beginning with an underscore

[GHC]

#12959: GHC doesn't warn about missing implementations for class methods beginning
with an underscore
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.0.1
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Other             |            Test Case:
                                     |  warnings/minimal/WarnMinimal.hs
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2849,
       Wiki Page:                    |  Phab:D4476
-------------------------------------+-------------------------------------

Comment (by Ben Gamari <ben@…>):

 In [changeset:"47e2a28d8c8c80aa9309ceb195ee8671b5a76d3e/ghc" 47e2a28/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="47e2a28d8c8c80aa9309ceb195ee8671b5a76d3e"
 Remove outdated documentation bits concerning -Wmissing-methods

 In commit 503219e3e1667ac39607021b2d9586260fbab32b, we
 stopped suppressing `-Wmissing-methods` warnings on class methods
 whose names begin with an underscore. However, it seems the users'
 guide documentation concerning this was never updated. Let's do so.

 Test Plan: Read it

 Reviewers: bgamari

 Reviewed By: bgamari

 Subscribers: rwbarton, thomie, carter

 GHC Trac Issues: #12959

 Differential Revision: https://phabricator.haskell.org/D4476
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12959#comment:12>
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