[GHC] #10830: maximumBy has a space leak

GHC ghc-devs at haskell.org
Fri Sep 4 14:36:05 UTC 2015


#10830: maximumBy has a space leak
-------------------------------------+-------------------------------------
        Reporter:  NeilMitchell      |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:  7.10.3
       Component:  libraries/base    |                 Version:  7.10.2
      Resolution:  fixed             |                Keywords:
Operating System:  Windows           |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:  Phab:D1205
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Comment (by nomeata):

 Replying to [comment:9 rwbarton]:
 > Is #10788 related, btw?

 Only morally related, not technially: `minimumBy` goes via `Foldable`
 stuff, so we end up with `foldr1`, while `minimum` is (yet) a member of
 the class and for lists, a direct definition is given, which has the
 inlining difficulties discussed in #10788.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10830#comment:11>
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