[GHC] #15867: STG scope error

[GHC]

#15867: STG scope error
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        Reporter:  csabahruska       |                Owner:  sgraf
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.7
      Resolution:                    |             Keywords:  CodeGen
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5310
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by sgraf):

 * status:  new => patch
 * differential:   => Phab:D5310


Comment:

 Fixed this with a tiny patch in Phab:D5310 by a call to `nub` in
 `unariseFreeVars`.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15867#comment:8>
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