plusParent can see a non-parent and a parent (fixes Trac #5374)
plusParent can see a non-parent and a parent (fixes Trac #5374)

See Note [Parents] in RdrName.

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