Lazy patterns are like wild-cards for overlap warnings
Lazy patterns are like wild-cards for overlap warnings

	MERGE TO STABLE

Fixes Trac #827
Test is should_compiler/ds058


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