//// [overloadsWithProvisionalErrors.ts]
var func: {
    (s: string): number;
    (lambda: (s: string) => { a: number; b: number }): string;
};

func(s => ({})); // Error for no applicable overload (object type is missing a and b)
func(s => ({ a: blah, b: 3 })); // Only error inside the function, but not outside (since it would be applicable if not for the provisional error)
func(s => ({ a: blah })); // Two errors here, one for blah not being defined, and one for the overload since it would not be applicable anyway

//// [overloadsWithProvisionalErrors.js]
var func;
func(function (s) { return ({}); }); // Error for no applicable overload (object type is missing a and b)
func(function (s) { return ({ a: blah, b: 3 }); }); // Only error inside the function, but not outside (since it would be applicable if not for the provisional error)
func(function (s) { return ({ a: blah }); }); // Two errors here, one for blah not being defined, and one for the overload since it would not be applicable anyway