Testsuite driver tweak for Windows
Testsuite driver tweak for Windows

This handles the case where we redirect stdout/stderr to a file, but
the command fails quickly and the file is not actually created.

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