Fix a buglet in reification of tuples (fixes Trac #5452)
Fix a buglet in reification of tuples (fixes Trac #5452)

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