add errorWithStackTrace
add errorWithStackTrace

-- | Like the function 'error', but appends a stack trace to the error
-- message if one is available.
errorWithStackTrace :: String -> a

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