When possible, replace unification by matching in the RTTI steps  (RTTI is used in the :print command) This gives a decent efficiency improvement
When possible, replace unification by matching in the RTTI steps 
(RTTI is used in the :print command)
This gives a decent efficiency improvement


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