We do emit a warning for stdcall now.
We do emit a warning for stdcall now.

Signed-off-by: Edward Z. Yang <dbd597f5635f432486c5d365e9bb585b3eaa1853@cs.stanford.edu>

acowley/ghc,shlevy/ghc,AlexanderPankiv/ghc,ml9951/ghc,vikraman/ghc,nkaretnikov/ghc,vTurbine/ghc,urbanslug/ghc,anton-dessiatov/ghc,AlexanderPankiv/ghc,sdiehl/ghc,mcschroeder/ghc,oldmanmike/ghc,green-haskell/ghc,snoyberg/ghc,urbanslug/ghc,ghc-android/ghc,siddhanathan/ghc,fmthoma/ghc,elieux/ghc,GaloisInc/halvm-ghc,oldmanmike/ghc,nushio3/ghc,olsner/ghc,AlexanderPankiv/ghc,nkaretnikov/ghc,mettekou/ghc,wxwxwwxxx/ghc,sdiehl/ghc,acowley/ghc,tjakway/ghcjvm,vikraman/ghc,TomMD/ghc,mettekou/ghc,tjakway/ghcjvm,siddhanathan/ghc,gcampax/ghc,gridaphobe/ghc,mfine/ghc,ezyang/ghc,ml9951/ghc,sgillespie/ghc,elieux/ghc,TomMD/ghc,ezyang/ghc,da-x/ghc,AlexanderPankiv/ghc,TomMD/ghc,mfine/ghc,mfine/ghc,mcschroeder/ghc,GaloisInc/halvm-ghc,elieux/ghc,nushio3/ghc,ml9951/ghc,nkaretnikov/ghc,shlevy/ghc,nkaretnikov/ghc,anton-dessiatov/ghc,ezyang/ghc,mcschroeder/ghc,green-haskell/ghc,ezyang/ghc,TomMD/ghc,vTurbine/ghc,GaloisInc/halvm-ghc,olsner/ghc,sgillespie/ghc,shlevy/ghc,shlevy/ghc,GaloisInc/halvm-ghc,mcschroeder/ghc,mfine/ghc,christiaanb/ghc,fmthoma/ghc,acowley/ghc,gcampax/ghc,christiaanb/ghc,tjakway/ghcjvm,gridaphobe/ghc,snoyberg/ghc,anton-dessiatov/ghc,sgillespie/ghc,urbanslug/ghc,da-x/ghc,mcschroeder/ghc,vikraman/ghc,vikraman/ghc,sdiehl/ghc,urbanslug/ghc,vTurbine/ghc,ezyang/ghc,wxwxwwxxx/ghc,nushio3/ghc,tjakway/ghcjvm,sdiehl/ghc,shlevy/ghc,gridaphobe/ghc,nushio3/ghc,nushio3/ghc,olsner/ghc,christiaanb/ghc,wxwxwwxxx/ghc,siddhanathan/ghc,acowley/ghc,ghc-android/ghc,olsner/ghc,nkaretnikov/ghc,vikraman/ghc,shlevy/ghc,olsner/ghc,anton-dessiatov/ghc,wxwxwwxxx/ghc,mettekou/ghc,green-haskell/ghc,urbanslug/ghc,christiaanb/ghc,TomMD/ghc,christiaanb/ghc,christiaanb/ghc,anton-dessiatov/ghc,urbanslug/ghc,AlexanderPankiv/ghc,snoyberg/ghc,gcampax/ghc,snoyberg/ghc,vTurbine/ghc,siddhanathan/ghc,siddhanathan/ghc,oldmanmike/ghc,sgillespie/ghc,ml9951/ghc,oldmanmike/ghc,ezyang/ghc,nushio3/ghc,ghc-android/ghc,vikraman/ghc,siddhanathan/ghc,da-x/ghc,sdiehl/ghc,siddhanathan/ghc,mfine/ghc,gridaphobe/ghc,sgillespie/ghc,tjakway/ghcjvm,sgillespie/ghc,mettekou/ghc,urbanslug/ghc,vTurbine/ghc,vikraman/ghc,shlevy/ghc,nkaretnikov/ghc,christiaanb/ghc,mcschroeder/ghc,ml9951/ghc,mettekou/ghc,sdiehl/ghc,anton-dessiatov/ghc,snoyberg/ghc,fmthoma/ghc,gcampax/ghc,fmthoma/ghc,TomMD/ghc,AlexanderPankiv/ghc,da-x/ghc,mcschroeder/ghc,nushio3/ghc,green-haskell/ghc,elieux/ghc,da-x/ghc,tjakway/ghcjvm,gridaphobe/ghc,oldmanmike/ghc,snoyberg/ghc,olsner/ghc,sgillespie/ghc,mettekou/ghc,oldmanmike/ghc,GaloisInc/halvm-ghc,elieux/ghc,ghc-android/ghc,ml9951/ghc,gcampax/ghc,fmthoma/ghc,wxwxwwxxx/ghc,ml9951/ghc,ezyang/ghc,acowley/ghc,acowley/ghc,olsner/ghc,vTurbine/ghc,acowley/ghc,wxwxwwxxx/ghc,ml9951/ghc,ghc-android/ghc,snoyberg/ghc,anton-dessiatov/ghc,green-haskell/ghc,elieux/ghc,sdiehl/ghc,elieux/ghc,gcampax/ghc,nkaretnikov/ghc,TomMD/ghc,mettekou/ghc,fmthoma/ghc,vTurbine/ghc,da-x/ghc,fmthoma/ghc,mfine/ghc,oldmanmike/ghc,gridaphobe/ghc,gridaphobe/ghc,ghc-android/ghc,gcampax/ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,da-x/ghc,tjakway/ghcjvm,wxwxwwxxx/ghc,ghc-android/ghc,mfine/ghc,AlexanderPankiv/ghc