[GHC] #13857: compactAdd doesn't work with SmallArray#

[GHC]

#13857: compactAdd doesn't work with SmallArray#
-------------------------------------+-------------------------------------
        Reporter:  andrewthad        |                Owner:  (none)
            Type:  bug               |               Status:  merge
        Priority:  high              |            Milestone:  8.4.3
       Component:  Runtime System    |              Version:  8.2.1-rc2
      Resolution:                    |             Keywords:  compact
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3888,
       Wiki Page:                    |  Phab:D4702
-------------------------------------+-------------------------------------
Changes (by bgamari):

 * status:  new => merge


-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13857#comment:21>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler