filter the messages generated by gcc
filter the messages generated by gcc

Eliminate things like "warning: call-clobbered register used as global
register variable", which is an non-suppressible warning from gcc.

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