Use removeDups to find top-level duplicate names findDupsEq is quadratic, whereas removeDups is n log n. Fixes T1969 regression.
Use removeDups to find top-level duplicate names
findDupsEq is quadratic, whereas removeDups is n log n.
Fixes T1969 regression.

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