[GHC] #6167: Compile stalls with pause returning ERESTARTNOHAND

[GHC]

#6167: Compile stalls with pause returning ERESTARTNOHAND
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    Reporter:  erikd             |       Owner:                     
        Type:  bug               |      Status:  new                
    Priority:  normal            |   Milestone:  7.6.1              
   Component:  Compiler          |     Version:  7.4.1              
    Keywords:                    |          Os:  Linux              
Architecture:  Unknown/Multiple  |     Failure:  Building GHC failed
  Difficulty:  Unknown           |    Testcase:                     
   Blockedby:                    |    Blocking:                     
     Related:                    |  
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Comment(by simonmar):

 `-fasm` is a no-op, to get an unregisterised build you have to add
 `GhcUnregisteriesd=YES` to `mk/build.mk`, so I think your build is still
 registerised.

 What probably made the difference is adding `-DDEBUG`.  I can test that
 here.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6167#comment:9>
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