[GHC] #14123: Figure out invariants surrounding ticks in Core

[GHC]

#14123: Figure out invariants surrounding ticks in Core
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        Reporter:  bgamari           |                Owner:  (none)
            Type:  task              |               Status:  new
        Priority:  highest           |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.2.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #13233, #14122,   |  Differential Rev(s):
  #8472, #14406, #14779              |
       Wiki Page:                    |
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Changes (by bgamari):

 * related:  #13233, #14122, #8472, #14406 => #13233, #14122, #8472, #14406,
     #14779


Comment:

 Niteria has made some progress on this in #14779.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14123#comment:9>
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