Add comments explaining #8754
Add comments explaining #8754

Signed-off-by: Austin Seipp <7ea35d812706d9213868749011af1ed4fa2f6aa0@well-typed.com>

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