[GHC] #15209: ~# is always in scope with TypeOperators

[GHC]

#15209: ~# is always in scope with TypeOperators
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        Reporter:  dfeuer            |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.5
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC accepts       |  Unknown/Multiple
  invalid program                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #15648            |  Differential Rev(s):  Phab:D4763,
       Wiki Page:                    |  Phab:D4801
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Changes (by RyanGlScott):

 * related:   => #15648


Comment:

 Despite my best attempts to kill it, `(~#)` is still finding ways to sneak
 back into the source language. See #15648.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15209#comment:13>
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