Improve instanceof for structurally identical types
Improve instanceof for structurally identical types

vilic/TypeScript,TukekeSoft/TypeScript,Eyas/TypeScript,SaschaNaz/TypeScript,jeremyepling/TypeScript,SaschaNaz/TypeScript,Eyas/TypeScript,DLehenbauer/TypeScript,RyanCavanaugh/TypeScript,Eyas/TypeScript,weswigham/TypeScript,minestarks/TypeScript,jeremyepling/TypeScript,vilic/TypeScript,mihailik/TypeScript,chuckjaz/TypeScript,synaptek/TypeScript,alexeagle/TypeScript,erikmcc/TypeScript,mihailik/TypeScript,mihailik/TypeScript,Microsoft/TypeScript,basarat/TypeScript,basarat/TypeScript,thr0w/Thr0wScript,jwbay/TypeScript,erikmcc/TypeScript,chuckjaz/TypeScript,RyanCavanaugh/TypeScript,mihailik/TypeScript,microsoft/TypeScript,erikmcc/TypeScript,nojvek/TypeScript,DLehenbauer/TypeScript,Microsoft/TypeScript,DLehenbauer/TypeScript,jwbay/TypeScript,thr0w/Thr0wScript,jwbay/TypeScript,RyanCavanaugh/TypeScript,kitsonk/TypeScript,alexeagle/TypeScript,vilic/TypeScript,SaschaNaz/TypeScript,alexeagle/TypeScript,jwbay/TypeScript,nojvek/TypeScript,kpreisser/TypeScript,kpreisser/TypeScript,minestarks/TypeScript,nojvek/TypeScript,donaldpipowitch/TypeScript,jeremyepling/TypeScript,SaschaNaz/TypeScript,synaptek/TypeScript,TukekeSoft/TypeScript,microsoft/TypeScript,chuckjaz/TypeScript,donaldpipowitch/TypeScript,kpreisser/TypeScript,chuckjaz/TypeScript,synaptek/TypeScript,erikmcc/TypeScript,DLehenbauer/TypeScript,thr0w/Thr0wScript,basarat/TypeScript,microsoft/TypeScript,thr0w/Thr0wScript,TukekeSoft/TypeScript,donaldpipowitch/TypeScript,basarat/TypeScript,weswigham/TypeScript,Microsoft/TypeScript,synaptek/TypeScript,donaldpipowitch/TypeScript,kitsonk/TypeScript,nojvek/TypeScript,Eyas/TypeScript,kitsonk/TypeScript,vilic/TypeScript,weswigham/TypeScript,minestarks/TypeScript