Fix register clobber list in StgRun for ARM
Fix register clobber list in StgRun for ARM

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.

Signed-off-by: Ben Gamari <ef9c145df0d91f4ae3f2ee937c5757f539df3df6@gmail.com>

ekmett/ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,acowley/ghc,AlexanderPankiv/ghc,gridaphobe/ghc,spacekitteh/smcghc,holzensp/ghc,gcampax/ghc,vTurbine/ghc,ghc-android/ghc,mfine/ghc,mcschroeder/ghc,da-x/ghc,ghc-android/ghc,ekmett/ghc,tjakway/ghcjvm,urbanslug/ghc,nushio3/ghc,TomMD/ghc,AlexanderPankiv/ghc,da-x/ghc,mcschroeder/ghc,lukexi/ghc-7.8-arm64,tibbe/ghc,elieux/ghc,hferreiro/replay,anton-dessiatov/ghc,hferreiro/replay,lukexi/ghc-7.8-arm64,nkaretnikov/ghc,bitemyapp/ghc,olsner/ghc,forked-upstream-packages-for-ghcjs/ghc,da-x/ghc,olsner/ghc,lukexi/ghc,TomMD/ghc,ml9951/ghc,ezyang/ghc,vTurbine/ghc,mettekou/ghc,jstolarek/ghc,oldmanmike/ghc,ml9951/ghc,anton-dessiatov/ghc,lukexi/ghc-7.8-arm64,mcschroeder/ghc,mettekou/ghc,urbanslug/ghc,mfine/ghc,tjakway/ghcjvm,sgillespie/ghc,snoyberg/ghc,shlevy/ghc,tjakway/ghcjvm,hferreiro/replay,nkaretnikov/ghc,shlevy/ghc,frantisekfarka/ghc-dsi,sgillespie/ghc,wxwxwwxxx/ghc,nushio3/ghc,ekmett/ghc,mcschroeder/ghc,tjakway/ghcjvm,olsner/ghc,siddhanathan/ghc,mettekou/ghc,sgillespie/ghc,vikraman/ghc,anton-dessiatov/ghc,forked-upstream-packages-for-ghcjs/ghc,da-x/ghc,shlevy/ghc,ryantm/ghc,vTurbine/ghc,holzensp/ghc,vikraman/ghc,forked-upstream-packages-for-ghcjs/ghc,tibbe/ghc,acowley/ghc,forked-upstream-packages-for-ghcjs/ghc,urbanslug/ghc,gcampax/ghc,sdiehl/ghc,siddhanathan/ghc,spacekitteh/smcghc,frantisekfarka/ghc-dsi,TomMD/ghc,TomMD/ghc,anton-dessiatov/ghc,shlevy/ghc,lukexi/ghc-7.8-arm64,jstolarek/ghc,hferreiro/replay,sgillespie/ghc,ghc-android/ghc,mcschroeder/ghc,sdiehl/ghc,elieux/ghc,forked-upstream-packages-for-ghcjs/ghc,spacekitteh/smcghc,lukexi/ghc,gridaphobe/ghc,gridaphobe/ghc,gridaphobe/ghc,gcampax/ghc,ghc-android/ghc,ekmett/ghc,nkaretnikov/ghc,hferreiro/replay,nkaretnikov/ghc,bitemyapp/ghc,green-haskell/ghc,ghc-android/ghc,acowley/ghc,jstolarek/ghc,nomeata/ghc,ezyang/ghc,nushio3/ghc,christiaanb/ghc,nomeata/ghc,jstolarek/ghc,siddhanathan/ghc,siddhanathan/ghc,christiaanb/ghc,christiaanb/ghc,gcampax/ghc,snoyberg/ghc,elieux/ghc,vikraman/ghc,ryantm/ghc,ryantm/ghc,ml9951/ghc,sgillespie/ghc,sdiehl/ghc,siddhanathan/ghc,vTurbine/ghc,acowley/ghc,bitemyapp/ghc,elieux/ghc,christiaanb/ghc,forked-upstream-packages-for-ghcjs/ghc,da-x/ghc,anton-dessiatov/ghc,shlevy/ghc,urbanslug/ghc,holzensp/ghc,gcampax/ghc,oldmanmike/ghc,urbanslug/ghc,vikraman/ghc,mfine/ghc,fmthoma/ghc,tjakway/ghcjvm,sgillespie/ghc,nathyong/microghc-ghc,forked-upstream-packages-for-ghcjs/ghc,nushio3/ghc,fmthoma/ghc,nkaretnikov/ghc,acowley/ghc,AlexanderPankiv/ghc,christiaanb/ghc,green-haskell/ghc,christiaanb/ghc,mfine/ghc,lukexi/ghc,mettekou/ghc,urbanslug/ghc,mfine/ghc,gridaphobe/ghc,ezyang/ghc,ml9951/ghc,nushio3/ghc,wxwxwwxxx/ghc,holzensp/ghc,AlexanderPankiv/ghc,ml9951/ghc,frantisekfarka/ghc-dsi,anton-dessiatov/ghc,GaloisInc/halvm-ghc,nushio3/ghc,nathyong/microghc-ghc,elieux/ghc,hferreiro/replay,nomeata/ghc,ml9951/ghc,tibbe/ghc,wxwxwwxxx/ghc,snoyberg/ghc,sdiehl/ghc,nkaretnikov/ghc,ezyang/ghc,nomeata/ghc,snoyberg/ghc,siddhanathan/ghc,gcampax/ghc,wxwxwwxxx/ghc,shlevy/ghc,spacekitteh/smcghc,lukexi/ghc-7.8-arm64,anton-dessiatov/ghc,gcampax/ghc,GaloisInc/halvm-ghc,bitemyapp/ghc,ezyang/ghc,nomeata/ghc,sgillespie/ghc,tibbe/ghc,nathyong/microghc-ghc,vTurbine/ghc,olsner/ghc,ryantm/ghc,nushio3/ghc,spacekitteh/smcghc,fmthoma/ghc,ekmett/ghc,da-x/ghc,bitemyapp/ghc,lukexi/ghc,green-haskell/ghc,ezyang/ghc,olsner/ghc,christiaanb/ghc,oldmanmike/ghc,wxwxwwxxx/ghc,mcschroeder/ghc,mettekou/ghc,oldmanmike/ghc,ezyang/ghc,oldmanmike/ghc,sdiehl/ghc,elieux/ghc,acowley/ghc,frantisekfarka/ghc-dsi,sdiehl/ghc,holzensp/ghc,mettekou/ghc,GaloisInc/halvm-ghc,ghc-android/ghc,nathyong/microghc-ghc,vTurbine/ghc,gridaphobe/ghc,mcschroeder/ghc,green-haskell/ghc,olsner/ghc,TomMD/ghc,AlexanderPankiv/ghc,vikraman/ghc,urbanslug/ghc,siddhanathan/ghc,nathyong/microghc-ghc,ml9951/ghc,vTurbine/ghc,TomMD/ghc,fmthoma/ghc,mfine/ghc,lukexi/ghc,tjakway/ghcjvm,tibbe/ghc,ml9951/ghc,fmthoma/ghc,AlexanderPankiv/ghc,mfine/ghc,acowley/ghc,ryantm/ghc,AlexanderPankiv/ghc,olsner/ghc,mettekou/ghc,jstolarek/ghc,GaloisInc/halvm-ghc,gridaphobe/ghc,vikraman/ghc,frantisekfarka/ghc-dsi,wxwxwwxxx/ghc,elieux/ghc,GaloisInc/halvm-ghc,snoyberg/ghc,hferreiro/replay,nathyong/microghc-ghc,nathyong/microghc-ghc,fmthoma/ghc,oldmanmike/ghc,ghc-android/ghc,TomMD/ghc,da-x/ghc,green-haskell/ghc,snoyberg/ghc,shlevy/ghc,oldmanmike/ghc,nkaretnikov/ghc,vikraman/ghc,tjakway/ghcjvm,fmthoma/ghc,snoyberg/ghc,sdiehl/ghc,wxwxwwxxx/ghc