==== tests/cases/conformance/expressions/functionCalls/overloadResolution.ts (17 errors) ====
    class SomeBase {
        private n;
    
        public s: string;
    }
    class SomeDerived1 extends SomeBase {
        private m;
    }
    class SomeDerived2 extends SomeBase {
        private m;
    }
    class SomeDerived3 extends SomeBase {
        private m;
    }
    
    
    // Ambiguous call picks the first overload in declaration order
    function fn1(s: string): string;
    function fn1(s: number): number;
    function fn1() { return null; }
    
    var s = fn1(undefined);
    var s: string;
    
    
    // No candidate overloads found
    fn1({}); // Error
        ~~
!!! Argument of type '{}' is not assignable to parameter of type 'number'.
    
    // Generic and non - generic overload where generic overload is the only candidate when called with type arguments
    function fn2(s: string, n: number): number;
    function fn2<T>(n: number, t: T): T;
    function fn2() { return undefined; }
    
    var d = fn2<Date>(0, undefined);
    var d: Date;
    
    // Generic and non - generic overload where generic overload is the only candidate when called without type arguments
    var s = fn2(0, '');
    
    // Generic and non - generic overload where non - generic overload is the only candidate when called with type arguments
    fn2<Date>('', 0); // Error
              ~~
!!! Argument of type 'string' is not assignable to parameter of type 'number'.
    
    // Generic and non - generic overload where non - generic overload is the only candidate when called without type arguments
    fn2('', 0); // OK
    
    // Generic overloads with differing arity called without type arguments
    function fn3<T>(n: T): string;
    function fn3<T, U>(s: string, t: T, u: U): U;
    function fn3<T, U, V>(v: V, u: U, t: T): number;
    function fn3() { return null; }
    
    var s = fn3(3);
    var s = fn3('', 3, '');
    var n = fn3(5, 5, 5);
    var n: number;
    
    // Generic overloads with differing arity called with type arguments matching each overload type parameter count
    var s = fn3<number>(4);
    var s = fn3<string, string>('', '', '');
    var n = fn3<number, string, string>('', '', 3);
    
    // Generic overloads with differing arity called with type argument count that doesn't match any overload
    fn3<number, number, number, number>(); // Error
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! Supplied parameters do not match any signature of call target.
    
    // Generic overloads with constraints called with type arguments that satisfy the constraints
    function fn4<T extends string, U extends number>(n: T, m: U);
    function fn4<T extends number, U extends string>(n: T, m: U);
    function fn4() { }
    fn4<string, number>('', 3);
    fn4<string, number>(3, ''); // Error
        ~~~~~~
!!! Type 'string' does not satisfy the constraint 'number'.
                ~~~~~~
!!! Type 'number' does not satisfy the constraint 'string'.
                        ~
!!! Argument of type 'number' is not assignable to parameter of type 'string'.
    fn4<number, string>('', 3); // Error
        ~~~~~~
!!! Type 'number' does not satisfy the constraint 'string'.
                ~~~~~~
!!! Type 'string' does not satisfy the constraint 'number'.
                        ~~
!!! Argument of type 'string' is not assignable to parameter of type 'number'.
    fn4<number, string>(3, ''); 
        ~~~~~~
!!! Type 'number' does not satisfy the constraint 'string'.
                ~~~~~~
!!! Type 'string' does not satisfy the constraint 'number'.
    
    // Generic overloads with constraints called without type arguments but with types that satisfy the constraints
    fn4('', 3);
    fn4(3, '');
    fn4(3, undefined);
    fn4('', null);
    
    // Generic overloads with constraints called with type arguments that do not satisfy the constraints
    fn4<boolean, Date>(null, null); // Error
        ~~~~~~~
!!! Type 'boolean' does not satisfy the constraint 'string'.
                 ~~~~
!!! Type 'Date' does not satisfy the constraint 'number'.
    
    // Generic overloads with constraints called without type arguments but with types that do not satisfy the constraints
    fn4(true, null); // Error
        ~~~~
!!! Argument of type 'boolean' is not assignable to parameter of type 'number'.
    fn4(null, true); // Error
              ~~~~
!!! Argument of type 'boolean' is not assignable to parameter of type 'string'.
    
    // Non - generic overloads where contextual typing of function arguments has errors
    function fn5(f: (n: string) => void): string;
    function fn5(f: (n: number) => void): number;
    function fn5() { return undefined; }
    var n = fn5((n) => n.toFixed());
        ~
!!! Subsequent variable declarations must have the same type.  Variable 'n' must be of type 'number', but here has type 'string'.
                         ~~~~~~~
!!! Property 'toFixed' does not exist on type 'string'.
    var s = fn5((n) => n.substr(0));