exprIsBottom should look through type lambdas
exprIsBottom should look through type lambdas

as evaluting (\ (@ a) -> e) diverges if and only if evaluating e
diverges. This was found in the context of #10180.

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