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=== tests/cases/compiler/propertySignatures.ts ===
// Should be error - duplicate identifiers
var foo1: { a:string; a: string; };
>foo1 : Symbol(foo1, Decl(propertySignatures.ts, 1, 3))
>a : Symbol(a, Decl(propertySignatures.ts, 1, 11), Decl(propertySignatures.ts, 1, 21))
>a : Symbol(a, Decl(propertySignatures.ts, 1, 11), Decl(propertySignatures.ts, 1, 21))
// Should be OK
var foo2: { a; };
>foo2 : Symbol(foo2, Decl(propertySignatures.ts, 4, 3))
>a : Symbol(a, Decl(propertySignatures.ts, 4, 11))
foo2.a = 2;
>foo2.a : Symbol(a, Decl(propertySignatures.ts, 4, 11))
>foo2 : Symbol(foo2, Decl(propertySignatures.ts, 4, 3))
>a : Symbol(a, Decl(propertySignatures.ts, 4, 11))
foo2.a = "0";
>foo2.a : Symbol(a, Decl(propertySignatures.ts, 4, 11))
>foo2 : Symbol(foo2, Decl(propertySignatures.ts, 4, 3))
>a : Symbol(a, Decl(propertySignatures.ts, 4, 11))
// Should be error
var foo3: { (): string; (): string; };
>foo3 : Symbol(foo3, Decl(propertySignatures.ts, 9, 3))
// Should be OK
var foo4: { (): void; };
>foo4 : Symbol(foo4, Decl(propertySignatures.ts, 12, 3))
var test = foo();
>test : Symbol(test, Decl(propertySignatures.ts, 13, 3), Decl(propertySignatures.ts, 17, 3))
// Should be OK
var foo5: {();};
>foo5 : Symbol(foo5, Decl(propertySignatures.ts, 16, 3))
var test = foo5();
>test : Symbol(test, Decl(propertySignatures.ts, 13, 3), Decl(propertySignatures.ts, 17, 3))
>foo5 : Symbol(foo5, Decl(propertySignatures.ts, 16, 3))
test.bar = 2;
>test : Symbol(test, Decl(propertySignatures.ts, 13, 3), Decl(propertySignatures.ts, 17, 3))
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