Add a rule for (plusAddr# x 0) == x; fixes #7284
Add a rule for (plusAddr# x 0) == x; fixes #7284

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