[GHC] #9670: Make Data.List.tails a good producer for list fusion

[GHC]

#9670: Make Data.List.tails a good producer for list fusion
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              Reporter:  dfeuer      |            Owner:  ekmett
                  Type:  task        |           Status:  patch
              Priority:  normal      |        Milestone:  7.10.1
             Component:  Core        |          Version:  7.8.3
  Libraries                          |         Keywords:  fusion
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:  Phab:D325   |
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Comment (by Joachim Breitner <mail@…>):

 In [changeset:"7e735950a44f7f3c34319ea65631e11e52eb68a7/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="7e735950a44f7f3c34319ea65631e11e52eb68a7"
 Make tails a good producer (#9670)

 Reviewed By: nomeata, austin
 Differential Revision: https://phabricator.haskell.org/D325
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9670#comment:2>
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