[GHC] #15180: Make Control.Exception.throw levity polymorphic

[GHC]

#15180: Make Control.Exception.throw levity polymorphic
-------------------------------------+-------------------------------------
        Reporter:  andrewthad        |                Owner:  (none)
            Type:  task              |               Status:  patch
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.2.2
      Resolution:                    |             Keywords:
                                     |  LevityPolymorphism, newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  testsuite/tests/typecheck/should_compile/T15180.hs
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4827
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by Ninjatrappeur):

 * differential:  https://phabricator.haskell.org/D4827 => Phab:D4827


-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15180#comment:6>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler