Add additional asserts to ensure we don't create diagnostics with bogus positions.
Add additional asserts to ensure we don't create diagnostics with bogus positions.

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