Fix an outright bug in my "left/right" stuff, and refactor canEqLeafTyVarEq along the same lines as our earlier refactoring of canEqLeafFunEq
Fix an outright bug in my "left/right" stuff,
and refactor canEqLeafTyVarEq along the same lines
as our earlier refactoring of canEqLeafFunEq

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