[GHC] #5681: par# and spark# call newSpark differently, confuses LLVM backend

[GHC]

#5681: par# and spark# call newSpark differently, confuses LLVM backend
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 Reporter:  scpmw                      |          Owner:  dterei          
     Type:  bug                        |         Status:  closed          
 Priority:  normal                     |      Component:  Compiler (LLVM) 
  Version:  7.2.1                      |     Resolution:  duplicate       
 Keywords:                             |       Testcase:                  
Blockedby:                             |             Os:  Unknown/Multiple
 Blocking:                             |   Architecture:  Unknown/Multiple
  Failure:  GHC rejects valid program  |  
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Changes (by dterei):

  * status:  new => closed
  * resolution:  => duplicate


Comment:

 thanks, this is a duplicate of #5486. I'll probably use the patch attached
 but a more general fix is needed to handle the underlying issue.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5681#comment:1>
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