[GHC] #8347: Add a Strict LANGUAGE pragma

[GHC]

#8347: Add a Strict LANGUAGE pragma
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        Reporter:  tibbe             |                   Owner:  tibbe
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  7.6.3
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:  Phab:D1033
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Comment (by tibbe):

 I would pile on even more stuff on ​Phab:D1033, but we could add a
 `-XExplicitLazyFields` language pragma that's implied by `-XStrictFields`
 in a separate commit.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8347#comment:4>
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