[GHC] #15430: Merge llvm fix to ghc-8.6

[GHC]

#15430: Merge llvm fix to ghc-8.6
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        Reporter:  monoidal          |                Owner:  (none)
            Type:  bug               |               Status:  merge
        Priority:  highest           |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.5
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by monoidal):

 * status:  new => merge


-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15430#comment:1>
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