==== tests/cases/compiler/objectTypesIdentityWithGenericConstructSignaturesDifferingTypeParameterNames.ts (6 errors) ====
    // object types are identical structurally
    
    class B<U> {
        constructor(x: U) { return null; }
    }
    
    class C<V> {
        constructor(x: V) { return null; }
    }
    
    interface I<X> {
        new(x: X): B<X>;
    }
    
    interface I2 {
        new<Y>(x: Y): C<Y>;
    }
    
    var a: { new<Z>(x: Z): B<Z> }
    var b = { new<A>(x: A) { return new C<A>(x); } };
    
    function foo1b(x: B<string>);
    function foo1b(x: B<string>); // error
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! objectTypesIdentityWithGenericConstructSignaturesDifferingTypeParameterNames.ts(23,1): error TS2144: Duplicate overload signature for 'foo1b'.
    function foo1b(x: any) { }
    
    function foo1c(x: C<string>);
    function foo1c(x: C<string>); // error
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! objectTypesIdentityWithGenericConstructSignaturesDifferingTypeParameterNames.ts(27,1): error TS2144: Duplicate overload signature for 'foo1c'.
    function foo1c(x: any) { }
    
    function foo2(x: I<string>);
    function foo2(x: I<string>); // error
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! objectTypesIdentityWithGenericConstructSignaturesDifferingTypeParameterNames.ts(31,1): error TS2144: Duplicate overload signature for 'foo2'.
    function foo2(x: any) { }
    
    function foo3(x: typeof a);
    function foo3(x: typeof a); // error
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! objectTypesIdentityWithGenericConstructSignaturesDifferingTypeParameterNames.ts(35,1): error TS2144: Duplicate overload signature for 'foo3'.
    function foo3(x: any) { }
    
    function foo4(x: typeof b);
    function foo4(x: typeof b); // error
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! objectTypesIdentityWithGenericConstructSignaturesDifferingTypeParameterNames.ts(39,1): error TS2144: Duplicate overload signature for 'foo4'.
    function foo4(x: any) { }
    
    function foo8(x: B<string>);
    function foo8(x: I<string>); // BUG 832086
    function foo8(x: any) { }
    
    function foo9(x: B<string>);
    function foo9(x: C<string>); // error
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! objectTypesIdentityWithGenericConstructSignaturesDifferingTypeParameterNames.ts(47,1): error TS2144: Duplicate overload signature for 'foo9'.
    function foo9(x: any) { }
    
    function foo10(x: B<string>);
    function foo10(x: typeof a); // BUG 832086
    function foo10(x: any) { }
    
    function foo11(x: B<string>);
    function foo11(x: typeof b); // ok
    function foo11(x: any) { }
    
    function foo12(x: I<string>);
    function foo12(x: C<string>); // error
    function foo12(x: any) { }
    
    function foo12b(x: I2);
    function foo12b(x: C<string>); // BUG 832086
    function foo12b(x: any) { }
    
    function foo13(x: I<string>);
    function foo13(x: typeof a); // BUG 832086
    function foo13(x: any) { }
    
    function foo14(x: I<string>);
    function foo14(x: typeof b); // ok
    function foo14(x: any) { }