=== tests/cases/compiler/contextualTyping20.ts ===
var foo:{id:number;}[] = [{id:1}]; foo = [{id:1}, {id:2, name:"foo"}];
>foo : { id: number; }[], Symbol(foo, Decl(contextualTyping20.ts, 0, 3))
>id : number, Symbol(id, Decl(contextualTyping20.ts, 0, 9))
>[{id:1}] : { id: number; }[]
>{id:1} : { id: number; }
>id : number, Symbol(id, Decl(contextualTyping20.ts, 0, 27))
>1 : number
>foo = [{id:1}, {id:2, name:"foo"}] : { id: number; }[]
>foo : { id: number; }[], Symbol(foo, Decl(contextualTyping20.ts, 0, 3))
>[{id:1}, {id:2, name:"foo"}] : { id: number; }[]
>{id:1} : { id: number; }
>id : number, Symbol(id, Decl(contextualTyping20.ts, 0, 43))
>1 : number
>{id:2, name:"foo"} : { id: number; name: string; }
>id : number, Symbol(id, Decl(contextualTyping20.ts, 0, 51))
>2 : number
>name : string, Symbol(name, Decl(contextualTyping20.ts, 0, 56))
>"foo" : string