Allow union types in indexing expressions.
Allow union types in indexing expressions.

chocolatechipui/TypeScript,nagyistoce/TypeScript,nycdotnet/TypeScript,DLehenbauer/TypeScript,synaptek/TypeScript,matthewjh/TypeScript,mihailik/TypeScript,billti/TypeScript,zhengbli/TypeScript,Raynos/TypeScript,matthewjh/TypeScript,shovon/TypeScript,progre/TypeScript,keir-rex/TypeScript,nycdotnet/TypeScript,zhengbli/TypeScript,webhost/TypeScript,SaschaNaz/TypeScript,weswigham/TypeScript,nojvek/TypeScript,rodrigues-daniel/TypeScript,yortus/TypeScript,RReverser/TypeScript,gdi2290/TypeScript,moander/TypeScript,ionux/TypeScript,evgrud/TypeScript,Microsoft/TypeScript,OlegDokuka/TypeScript,DLehenbauer/TypeScript,Microsoft/TypeScript,AbubakerB/TypeScript,rodrigues-daniel/TypeScript,chuckjaz/TypeScript,keir-rex/TypeScript,mauricionr/TypeScript,erikmcc/TypeScript,moander/TypeScript,sassson/TypeScript,germ13/TypeScript,HereSinceres/TypeScript,fearthecowboy/TypeScript,TukekeSoft/TypeScript,MartyIX/TypeScript,ropik/TypeScript,jamesrmccallum/TypeScript,plantain-00/TypeScript,HereSinceres/TypeScript,Eyas/TypeScript,minestarks/TypeScript,Mqgh2013/TypeScript,fearthecowboy/TypeScript,kimamula/TypeScript,suto/TypeScript,hoanhtien/TypeScript,OlegDokuka/TypeScript,kitsonk/TypeScript,chocolatechipui/TypeScript,RyanCavanaugh/TypeScript,Raynos/TypeScript,keir-rex/TypeScript,chuckjaz/TypeScript,JohnZ622/TypeScript,fabioparra/TypeScript,yazeng/TypeScript,jwbay/TypeScript,Mqgh2013/TypeScript,erikmcc/TypeScript,donaldpipowitch/TypeScript,yukulele/TypeScript,germ13/TypeScript,jteplitz602/TypeScript,zmaruo/TypeScript,jwbay/TypeScript,impinball/TypeScript,moander/TypeScript,donaldpipowitch/TypeScript,kumikumi/TypeScript,evgrud/TypeScript,jdavidberger/TypeScript,AbubakerB/TypeScript,basarat/TypeScript,fdecampredon/jsx-typescript,msynk/TypeScript,nagyistoce/TypeScript,jamesrmccallum/TypeScript,RyanCavanaugh/TypeScript,gonifade/TypeScript,mmoskal/TypeScript,yazeng/TypeScript,samuelhorwitz/typescript,erikmcc/TypeScript,jeremyepling/TypeScript,tinganho/TypeScript,thr0w/Thr0wScript,Viromo/TypeScript,kpreisser/TypeScript,evgrud/TypeScript,Raynos/TypeScript,enginekit/TypeScript,blakeembrey/TypeScript,nycdotnet/TypeScript,impinball/TypeScript,pcan/TypeScript,DanielRosenwasser/TypeScript,tempbottle/TypeScript,jwbay/TypeScript,jwbay/TypeScript,JohnZ622/TypeScript,shanexu/TypeScript,jteplitz602/TypeScript,ziacik/TypeScript,jbondc/TypeScript,JohnZ622/TypeScript,ziacik/TypeScript,jbondc/TypeScript,ZLJASON/TypeScript,Eyas/TypeScript,synaptek/TypeScript,samuelhorwitz/typescript,zhengbli/TypeScript,donaldpipowitch/TypeScript,MartyIX/TypeScript,AbubakerB/TypeScript,samuelhorwitz/typescript,alexeagle/TypeScript,kumikumi/TypeScript,billti/TypeScript,webhost/TypeScript,jeremyepling/TypeScript,mihailik/TypeScript,kpreisser/TypeScript,SaschaNaz/TypeScript,mcanthony/TypeScript,kingland/TypeScript,mauricionr/TypeScript,DanielRosenwasser/TypeScript,blakeembrey/TypeScript,thr0w/Thr0wScript,bpowers/TypeScript,thr0w/Thr0wScript,gonifade/TypeScript,shanexu/TypeScript,shanexu/TypeScript,matthewjh/TypeScript,MartyIX/TypeScript,hitesh97/TypeScript,jbondc/TypeScript,rgbkrk/TypeScript,abbasmhd/TypeScript,plantain-00/TypeScript,enginekit/TypeScript,kingland/TypeScript,vilic/TypeScript,abbasmhd/TypeScript,mszczepaniak/TypeScript,synaptek/TypeScript,HereSinceres/TypeScript,chuckjaz/TypeScript,SmallAiTT/TypeScript,nojvek/TypeScript,basarat/TypeScript,evgrud/TypeScript,DanielRosenwasser/TypeScript,shovon/TypeScript,yortus/TypeScript,kimamula/TypeScript,yukulele/TypeScript,JohnZ622/TypeScript,impinball/TypeScript,ziacik/TypeScript,SimoneGianni/TypeScript,TukekeSoft/TypeScript,basarat/TypeScript,yukulele/TypeScript,hitesh97/TypeScript,alexeagle/TypeScript,Viromo/TypeScript,enginekit/TypeScript,Viromo/TypeScript,kimamula/TypeScript,RReverser/TypeScript,progre/TypeScript,fearthecowboy/TypeScript,microsoft/TypeScript,mauricionr/TypeScript,msynk/TypeScript,SmallAiTT/TypeScript,DLehenbauer/TypeScript,tinganho/TypeScript,SimoneGianni/TypeScript,TukekeSoft/TypeScript,Eyas/TypeScript,ionux/TypeScript,donaldpipowitch/TypeScript,nycdotnet/TypeScript,plantain-00/TypeScript,ziacik/TypeScript,vilic/TypeScript,ZLJASON/TypeScript,mmoskal/TypeScript,nagyistoce/TypeScript,Viromo/TypeScript,jamesrmccallum/TypeScript,tinganho/TypeScript,rgbkrk/TypeScript,fabioparra/TypeScript,kitsonk/TypeScript,mszczepaniak/TypeScript,suto/TypeScript,samuelhorwitz/typescript,alexeagle/TypeScript,SimoneGianni/TypeScript,pcan/TypeScript,yortus/TypeScript,tempbottle/TypeScript,suto/TypeScript,mihailik/TypeScript,ionux/TypeScript,rodrigues-daniel/TypeScript,plantain-00/TypeScript,erikmcc/TypeScript,microsoft/TypeScript,moander/TypeScript,kumikumi/TypeScript,Mqgh2013/TypeScript,ropik/TypeScript,webhost/TypeScript,nojvek/TypeScript,hoanhtien/TypeScript,zmaruo/TypeScript,mmoskal/TypeScript,hitesh97/TypeScript,SaschaNaz/TypeScript,SaschaNaz/TypeScript,shovon/TypeScript,billti/TypeScript,blakeembrey/TypeScript,shiftkey/TypeScript,RyanCavanaugh/TypeScript,msynk/TypeScript,ionux/TypeScript,kingland/TypeScript,DLehenbauer/TypeScript,fabioparra/TypeScript,Microsoft/TypeScript,RReverser/TypeScript,Eyas/TypeScript,mcanthony/TypeScript,bpowers/TypeScript,thr0w/Thr0wScript,fdecampredon/jsx-typescript,chocolatechipui/TypeScript,mcanthony/TypeScript,ropik/TypeScript,SmallAiTT/TypeScript,bpowers/TypeScript,basarat/TypeScript,jdavidberger/TypeScript,tempbottle/TypeScript,weswigham/TypeScript,minestarks/TypeScript,OlegDokuka/TypeScript,shanexu/TypeScript,mszczepaniak/TypeScript,minestarks/TypeScript,mcanthony/TypeScript,germ13/TypeScript,vilic/TypeScript,jeremyepling/TypeScript,zmaruo/TypeScript,ropik/TypeScript,mmoskal/TypeScript,fdecampredon/jsx-typescript,ZLJASON/TypeScript,kimamula/TypeScript,abbasmhd/TypeScript,synaptek/TypeScript,fdecampredon/jsx-typescript,yortus/TypeScript,kitsonk/TypeScript,hoanhtien/TypeScript,mauricionr/TypeScript,MartyIX/TypeScript,nojvek/TypeScript,shiftkey/TypeScript,weswigham/TypeScript,jteplitz602/TypeScript,rodrigues-daniel/TypeScript,AbubakerB/TypeScript,progre/TypeScript,kpreisser/TypeScript,fabioparra/TypeScript,sassson/TypeScript,mihailik/TypeScript,gonifade/TypeScript,yazeng/TypeScript,sassson/TypeScript,pcan/TypeScript,jdavidberger/TypeScript,Raynos/TypeScript,rgbkrk/TypeScript,blakeembrey/TypeScript,vilic/TypeScript,shiftkey/TypeScript,microsoft/TypeScript,DanielRosenwasser/TypeScript,chuckjaz/TypeScript