=== tests/cases/compiler/overloadBindingAcrossDeclarationBoundaries.ts ===
interface Opt1 {
>Opt1 : Symbol(Opt1, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 0, 0))

    p?: any;
>p : Symbol(p, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 0, 16))
}
interface Opt2 {
>Opt2 : Symbol(Opt2, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 2, 1))

    q?: any;
>q : Symbol(q, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 3, 16))
}
interface Opt3 {
>Opt3 : Symbol(Opt3, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 5, 1))

    r?: any;
>r : Symbol(r, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 6, 16))
}
interface Opt4 {
>Opt4 : Symbol(Opt4, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 8, 1))

    s?: any;
>s : Symbol(s, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 9, 16))
}
interface A {
>A : Symbol(A, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 11, 1), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 19, 1))

    a(o: Opt1): Opt1;
>a : Symbol(a, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 12, 13), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 13, 21), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 20, 13), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 21, 21))
>o : Symbol(o, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 13, 6))
>Opt1 : Symbol(Opt1, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 0, 0))
>Opt1 : Symbol(Opt1, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 0, 0))

    a(o: Opt2): Opt2;
>a : Symbol(a, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 12, 13), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 13, 21), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 20, 13), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 21, 21))
>o : Symbol(o, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 14, 6))
>Opt2 : Symbol(Opt2, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 2, 1))
>Opt2 : Symbol(Opt2, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 2, 1))

    (o: Opt1): Opt1;
>o : Symbol(o, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 15, 5))
>Opt1 : Symbol(Opt1, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 0, 0))
>Opt1 : Symbol(Opt1, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 0, 0))

    (o: Opt2): Opt2;
>o : Symbol(o, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 16, 5))
>Opt2 : Symbol(Opt2, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 2, 1))
>Opt2 : Symbol(Opt2, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 2, 1))

    new (o: Opt1): Opt1;
>o : Symbol(o, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 17, 9))
>Opt1 : Symbol(Opt1, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 0, 0))
>Opt1 : Symbol(Opt1, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 0, 0))

    new (o: Opt2): Opt2;
>o : Symbol(o, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 18, 9))
>Opt2 : Symbol(Opt2, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 2, 1))
>Opt2 : Symbol(Opt2, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 2, 1))
}
interface A {
>A : Symbol(A, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 11, 1), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 19, 1))

    a(o: Opt3): Opt3;
>a : Symbol(a, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 12, 13), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 13, 21), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 20, 13), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 21, 21))
>o : Symbol(o, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 21, 6))
>Opt3 : Symbol(Opt3, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 5, 1))
>Opt3 : Symbol(Opt3, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 5, 1))

    a(o: Opt4): Opt4;
>a : Symbol(a, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 12, 13), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 13, 21), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 20, 13), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 21, 21))
>o : Symbol(o, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 22, 6))
>Opt4 : Symbol(Opt4, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 8, 1))
>Opt4 : Symbol(Opt4, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 8, 1))

    (o: Opt3): Opt3;
>o : Symbol(o, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 23, 5))
>Opt3 : Symbol(Opt3, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 5, 1))
>Opt3 : Symbol(Opt3, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 5, 1))

    (o: Opt4): Opt4;
>o : Symbol(o, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 24, 5))
>Opt4 : Symbol(Opt4, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 8, 1))
>Opt4 : Symbol(Opt4, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 8, 1))

    new (o: Opt3): Opt3;
>o : Symbol(o, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 25, 9))
>Opt3 : Symbol(Opt3, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 5, 1))
>Opt3 : Symbol(Opt3, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 5, 1))

    new (o: Opt4): Opt4;
>o : Symbol(o, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 26, 9))
>Opt4 : Symbol(Opt4, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 8, 1))
>Opt4 : Symbol(Opt4, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 8, 1))
}

var a: A;
>a : Symbol(a, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 29, 3))
>A : Symbol(A, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 11, 1), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 19, 1))

// These should all be Opt3
var a1 = a.a({});
>a1 : Symbol(a1, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 31, 3), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 32, 3), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 33, 3))
>a.a : Symbol(A.a, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 12, 13), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 13, 21), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 20, 13), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 21, 21))
>a : Symbol(a, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 29, 3))
>a : Symbol(A.a, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 12, 13), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 13, 21), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 20, 13), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 21, 21))

var a1 = a({});
>a1 : Symbol(a1, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 31, 3), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 32, 3), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 33, 3))
>a : Symbol(a, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 29, 3))

var a1 = new a({});
>a1 : Symbol(a1, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 31, 3), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 32, 3), Decl(overloadBindingAcrossDeclarationBoundaries.ts, 33, 3))
>a : Symbol(a, Decl(overloadBindingAcrossDeclarationBoundaries.ts, 29, 3))