[GHC] #7588: GHC HEAD built with LLVM on Mac OS X miscompiles RTS: SIGSEGV in stg_PAP_apply

[GHC]

#7588: GHC HEAD built with LLVM on Mac OS X miscompiles RTS: SIGSEGV in
stg_PAP_apply
--------------------------+-------------------------------------------------
Reporter:  thoughtpolice  |          Owner:                  
    Type:  bug            |         Status:  infoneeded      
Priority:  normal         |      Component:  Compiler (LLVM) 
 Version:  7.7            |       Keywords:  sigsegv         
      Os:  MacOS X        |   Architecture:  Unknown/Multiple
 Failure:  Runtime crash  |      Blockedby:  7571, 7580      
Blocking:  7590           |        Related:                  
--------------------------+-------------------------------------------------

Comment(by thoughtpolice):

 Yes, I saw your patches go by. Thanks a lot! I'll ```./validate``` with
 the latest HEAD and see how far I get.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7588#comment:9>
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