Restore checker simplification that was reverted due to a bad merge.
Restore checker simplification that was reverted due to a bad merge.

ionux/TypeScript,matthewjh/TypeScript,ZLJASON/TypeScript,bpowers/TypeScript,shanexu/TypeScript,mihailik/TypeScript,erikmcc/TypeScript,shanexu/TypeScript,donaldpipowitch/TypeScript,DLehenbauer/TypeScript,blakeembrey/TypeScript,yazeng/TypeScript,minestarks/TypeScript,donaldpipowitch/TypeScript,fabioparra/TypeScript,webhost/TypeScript,rodrigues-daniel/TypeScript,mcanthony/TypeScript,webhost/TypeScript,tempbottle/TypeScript,zhengbli/TypeScript,moander/TypeScript,SmallAiTT/TypeScript,ionux/TypeScript,mmoskal/TypeScript,evgrud/TypeScript,Eyas/TypeScript,sassson/TypeScript,shanexu/TypeScript,plantain-00/TypeScript,nagyistoce/TypeScript,DLehenbauer/TypeScript,HereSinceres/TypeScript,Mqgh2013/TypeScript,ropik/TypeScript,AbubakerB/TypeScript,samuelhorwitz/typescript,jwbay/TypeScript,JohnZ622/TypeScript,kimamula/TypeScript,evgrud/TypeScript,ropik/TypeScript,shovon/TypeScript,kpreisser/TypeScript,fearthecowboy/TypeScript,yazeng/TypeScript,germ13/TypeScript,ziacik/TypeScript,RReverser/TypeScript,SaschaNaz/TypeScript,MartyIX/TypeScript,donaldpipowitch/TypeScript,progre/TypeScript,fabioparra/TypeScript,jamesrmccallum/TypeScript,samuelhorwitz/typescript,DanielRosenwasser/TypeScript,shovon/TypeScript,jamesrmccallum/TypeScript,rgbkrk/TypeScript,billti/TypeScript,hoanhtien/TypeScript,DLehenbauer/TypeScript,kumikumi/TypeScript,mcanthony/TypeScript,plantain-00/TypeScript,progre/TypeScript,enginekit/TypeScript,pcan/TypeScript,zmaruo/TypeScript,jwbay/TypeScript,nycdotnet/TypeScript,jeremyepling/TypeScript,DanielRosenwasser/TypeScript,chuckjaz/TypeScript,kimamula/TypeScript,SaschaNaz/TypeScript,Raynos/TypeScript,zmaruo/TypeScript,rodrigues-daniel/TypeScript,tinganho/TypeScript,hitesh97/TypeScript,jbondc/TypeScript,thr0w/Thr0wScript,SimoneGianni/TypeScript,progre/TypeScript,webhost/TypeScript,kingland/TypeScript,Eyas/TypeScript,impinball/TypeScript,bpowers/TypeScript,msynk/TypeScript,hoanhtien/TypeScript,yortus/TypeScript,TukekeSoft/TypeScript,shiftkey/TypeScript,mmoskal/TypeScript,fearthecowboy/TypeScript,nycdotnet/TypeScript,jteplitz602/TypeScript,billti/TypeScript,Raynos/TypeScript,AbubakerB/TypeScript,alexeagle/TypeScript,synaptek/TypeScript,basarat/TypeScript,Microsoft/TypeScript,gonifade/TypeScript,chocolatechipui/TypeScript,pcan/TypeScript,Viromo/TypeScript,yortus/TypeScript,plantain-00/TypeScript,nojvek/TypeScript,Viromo/TypeScript,SaschaNaz/TypeScript,mmoskal/TypeScript,rgbkrk/TypeScript,jwbay/TypeScript,AbubakerB/TypeScript,kpreisser/TypeScript,ZLJASON/TypeScript,suto/TypeScript,germ13/TypeScript,Mqgh2013/TypeScript,SimoneGianni/TypeScript,chuckjaz/TypeScript,basarat/TypeScript,ionux/TypeScript,blakeembrey/TypeScript,Viromo/TypeScript,Mqgh2013/TypeScript,mcanthony/TypeScript,Microsoft/TypeScript,nojvek/TypeScript,minestarks/TypeScript,RReverser/TypeScript,TukekeSoft/TypeScript,sassson/TypeScript,Viromo/TypeScript,germ13/TypeScript,samuelhorwitz/typescript,synaptek/TypeScript,basarat/TypeScript,shovon/TypeScript,enginekit/TypeScript,fabioparra/TypeScript,Raynos/TypeScript,jteplitz602/TypeScript,hoanhtien/TypeScript,rodrigues-daniel/TypeScript,msynk/TypeScript,suto/TypeScript,SaschaNaz/TypeScript,keir-rex/TypeScript,keir-rex/TypeScript,rodrigues-daniel/TypeScript,OlegDokuka/TypeScript,chuckjaz/TypeScript,SimoneGianni/TypeScript,DanielRosenwasser/TypeScript,Raynos/TypeScript,JohnZ622/TypeScript,samuelhorwitz/typescript,mszczepaniak/TypeScript,enginekit/TypeScript,weswigham/TypeScript,jamesrmccallum/TypeScript,blakeembrey/TypeScript,nagyistoce/TypeScript,kingland/TypeScript,shiftkey/TypeScript,JohnZ622/TypeScript,kitsonk/TypeScript,thr0w/Thr0wScript,microsoft/TypeScript,moander/TypeScript,mihailik/TypeScript,weswigham/TypeScript,fearthecowboy/TypeScript,RyanCavanaugh/TypeScript,kitsonk/TypeScript,Microsoft/TypeScript,MartyIX/TypeScript,fabioparra/TypeScript,vilic/TypeScript,erikmcc/TypeScript,alexeagle/TypeScript,jdavidberger/TypeScript,tinganho/TypeScript,vilic/TypeScript,hitesh97/TypeScript,gonifade/TypeScript,mcanthony/TypeScript,Eyas/TypeScript,jdavidberger/TypeScript,nycdotnet/TypeScript,sassson/TypeScript,bpowers/TypeScript,hitesh97/TypeScript,ziacik/TypeScript,billti/TypeScript,abbasmhd/TypeScript,matthewjh/TypeScript,minestarks/TypeScript,MartyIX/TypeScript,OlegDokuka/TypeScript,DanielRosenwasser/TypeScript,matthewjh/TypeScript,kingland/TypeScript,kumikumi/TypeScript,MartyIX/TypeScript,DLehenbauer/TypeScript,tinganho/TypeScript,mihailik/TypeScript,pcan/TypeScript,donaldpipowitch/TypeScript,SmallAiTT/TypeScript,jdavidberger/TypeScript,erikmcc/TypeScript,gonifade/TypeScript,shanexu/TypeScript,impinball/TypeScript,mmoskal/TypeScript,ZLJASON/TypeScript,kumikumi/TypeScript,thr0w/Thr0wScript,jbondc/TypeScript,zhengbli/TypeScript,abbasmhd/TypeScript,jeremyepling/TypeScript,vilic/TypeScript,TukekeSoft/TypeScript,HereSinceres/TypeScript,nagyistoce/TypeScript,tempbottle/TypeScript,mihailik/TypeScript,kimamula/TypeScript,nojvek/TypeScript,moander/TypeScript,evgrud/TypeScript,abbasmhd/TypeScript,jbondc/TypeScript,chocolatechipui/TypeScript,OlegDokuka/TypeScript,HereSinceres/TypeScript,yortus/TypeScript,alexeagle/TypeScript,kimamula/TypeScript,jteplitz602/TypeScript,RReverser/TypeScript,kpreisser/TypeScript,synaptek/TypeScript,ionux/TypeScript,rgbkrk/TypeScript,moander/TypeScript,ziacik/TypeScript,JohnZ622/TypeScript,microsoft/TypeScript,ropik/TypeScript,zhengbli/TypeScript,impinball/TypeScript,ropik/TypeScript,ziacik/TypeScript,nojvek/TypeScript,synaptek/TypeScript,mszczepaniak/TypeScript,weswigham/TypeScript,plantain-00/TypeScript,tempbottle/TypeScript,blakeembrey/TypeScript,erikmcc/TypeScript,jwbay/TypeScript,SmallAiTT/TypeScript,vilic/TypeScript,AbubakerB/TypeScript,RyanCavanaugh/TypeScript,jeremyepling/TypeScript,evgrud/TypeScript,yortus/TypeScript,chuckjaz/TypeScript,thr0w/Thr0wScript,microsoft/TypeScript,chocolatechipui/TypeScript,RyanCavanaugh/TypeScript,keir-rex/TypeScript,shiftkey/TypeScript,kitsonk/TypeScript,Eyas/TypeScript,msynk/TypeScript,suto/TypeScript,basarat/TypeScript,nycdotnet/TypeScript,zmaruo/TypeScript,yazeng/TypeScript,mszczepaniak/TypeScript