tests/cases/compiler/propertySignatures.ts(2,13): error TS2300: Duplicate identifier 'a'.
tests/cases/compiler/propertySignatures.ts(2,23): error TS2300: Duplicate identifier 'a'.
tests/cases/compiler/propertySignatures.ts(14,12): error TS2304: Cannot find name 'foo'.


==== tests/cases/compiler/propertySignatures.ts (3 errors) ====
    // Should be error - duplicate identifiers
    var foo1: { a:string; a: string; };
                ~
!!! error TS2300: Duplicate identifier 'a'.
                          ~
!!! error TS2300: Duplicate identifier 'a'.
    
    // Should be OK
    var foo2: { a; };
    foo2.a = 2;
    foo2.a = "0";
    
    // Should be error
    var foo3: { (): string; (): string; };
    
    // Should be OK
    var foo4: { (): void; };
    var test = foo();
               ~~~
!!! error TS2304: Cannot find name 'foo'.
    
    // Should be OK
    var foo5: {();};
    var test = foo5();
    test.bar = 2;