Fix buglet in -ddump-minimal-imports (Trac #7476)
Fix buglet in -ddump-minimal-imports (Trac #7476)

We were mixing up the *implicit* import of Prelude
with a user-written import declaration

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