[GHC] #9848: List.all does not fuse

[GHC]

#9848: List.all does not fuse
-------------------------------------+-------------------------------------
        Reporter:  klapaucius        |                   Owner:  ekmett
            Type:  bug               |                  Status:  patch
        Priority:  normal            |               Milestone:
       Component:  Core Libraries    |                 Version:  7.9
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------

Comment (by Ben Gamari <ben@…>):

 In [changeset:"22bbc1cf209d44b8bb8897ae7a35f9ebaf411b10/ghc"
 22bbc1cf/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="22bbc1cf209d44b8bb8897ae7a35f9ebaf411b10"
 Make sure that `all`, `any`, `and`, and `or` fuse (#9848)

 Test Plan: validate

 Reviewers: hvr, austin, bgamari, simonpj

 Reviewed By: simonpj

 Subscribers: simonpj, thomie

 Differential Revision: https://phabricator.haskell.org/D1126

 GHC Trac Issues: #9848
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9848#comment:7>
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