Fix a bug with standalone deriving of Generic instances.
Fix a bug with standalone deriving of Generic instances.

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