[GHC] #11747: `Strict` causes core lint error

[GHC]

#11747: `Strict` causes core lint error
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        Reporter:  Iceland_jack      |                Owner:
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:  Strict
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2163
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"116193225465186ceb8471a007eff15692af903a/ghc"
 11619322/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="116193225465186ceb8471a007eff15692af903a"
 Add T11747 as a test

 Reviewers: bgamari, austin

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D2163

 GHC Trac Issues: #11747
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11747#comment:4>
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