Refactor some code a bit, and improve an error The "magic number mismatch: old/corrupt interface file?" error now tells us what we got, and what we expected.
Refactor some code a bit, and improve an error
The "magic number mismatch: old/corrupt interface file?" error now tells
us what we got, and what we expected.

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