fix bugs in tryTakeMVar/tryPutMVar I'm surprised that these haven't caused any problems (or maybe they have?)
fix bugs in tryTakeMVar/tryPutMVar
I'm surprised that these haven't caused any problems (or maybe they have?)

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