make the change to go_pap suggested in #4978.  According to nofib, one program is improved quite dramatically (fft2 30% less allocation), and everything else was unchanged.
make the change to go_pap suggested in #4978.  According to nofib, one
program is improved quite dramatically (fft2 30% less allocation), and
everything else was unchanged.

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