Made ghc -e have a nonzero exit code upon failure (Trac #7962 )
Made ghc -e have a nonzero exit code upon failure (Trac #7962 )

Signed-off-by: Austin Seipp <7ea35d812706d9213868749011af1ed4fa2f6aa0@well-typed.com>

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