File: propertyParameterWithQuestionMark.types

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=== tests/cases/compiler/propertyParameterWithQuestionMark.ts ===
class C {
>C : C

    constructor(public x?) { }
>x : any
}

// x should be an optional property
var v: C = {}; // Should succeed
>v : C
>{} : {}

var v2: { x? }
>v2 : { x?: any; }
>x : any

v = v2; // Should succeed
>v = v2 : { x?: any; }
>v : C
>v2 : { x?: any; }

var v3: { x } = new C; // Should fail
>v3 : { x: any; }
>x : any
>new C : C
>C : typeof C