Use signed comparison for +RTS -N x <= 0 test
Use signed comparison for +RTS -N x <= 0 test

Otherwise we can use +RTS -N-1 and get 2^32 or 2^64 capabilities
which doesn't work out so well...

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