[GHC] #15920: Implement a flag which disables safe Haskell

[GHC]

#15920: Implement a flag which disables safe Haskell
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        Reporter:  mpickering        |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.8.1
       Component:  Compiler          |              Version:  8.6.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5360
       Wiki Page:                    |
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Changes (by mpickering):

 * priority:  normal => high
 * differential:   => Phab:D5360
 * milestone:  8.6.3 => 8.8.1


Comment:

 See D5360 - https://phabricator.haskell.org/D5360

 I'm blocked without this fix.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15920#comment:1>
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