[GHC] #7633: Checkable "minimal complete definitions"

[GHC]

#7633: Checkable "minimal complete definitions"
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        Reporter:  shachaf           |            Owner:
            Type:  feature request   |           Status:  patch
        Priority:  normal            |        Milestone:  7.8.1
       Component:  Compiler          |          Version:  7.6.1
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:  #6028
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Comment (by Herbert Valerio Riedel <hvr@…>):

 In [changeset:7ab62490dbc1ea7430fe60d5dad9c3b0fa0bedad/base]:
 {{{
 #!CommitTicketReference repository="base"
 revision="7ab62490dbc1ea7430fe60d5dad9c3b0fa0bedad"
 Add `{-# MINIMAL #-}` annotations to typeclasses

 This makes use of the new `{-# MINIMAL #-}` facility (see #7633)
 for the following typeclasses

  - `Bits`
  - `Foldable`
  - `Fractional`
  - `Num`
  - `MonadZip`
  - `Read`
  - `Show`
  - `Storable`
  - `Traversable`

 Signed-off-by: Herbert Valerio Riedel <hvr at gnu.org>
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7633#comment:35>
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