[GHC] #5824: ARM StgRun register clobber list is broken

[GHC]

#5824: ARM StgRun register clobber list is broken
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 Reporter:  bgamari           |          Owner:                  
     Type:  bug               |         Status:  new             
 Priority:  normal            |      Component:  Compiler        
  Version:  7.4.1-rc2         |       Keywords:                  
       Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
  Failure:  None/Unknown      |       Testcase:                  
Blockedby:                    |       Blocking:                  
  Related:                    |  
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 The ARM implementation of StgRun does not claim that it clobbers r7-r12.
 As a result, the compiler will sometimes put the returned RegTable in one
 of these registers, resulting in an invalid RegTable to be returned.
 Hilarity ensues.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5824>
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