Manually float out `int2Integer# INT_MINBOUND`
Manually float out `int2Integer# INT_MINBOUND`

This avoids allocating this special value over and over again every
time it's needed, and therefore this addresses #8647.

Signed-off-by: Herbert Valerio Riedel <202fbcf3c00694524024feb79f3bb8fc1c4e4f9c@gnu.org>

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