Disable -fregs-graph (#7679, #8657)
Disable -fregs-graph (#7679, #8657)

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