==== tests/cases/compiler/overloadsWithProvisionalErrors.ts (4 errors) ====
    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)
         ~~~~~~~~~
!!! Argument of type '(s: string) => {}' is not assignable to parameter of type '(s: string) => { a: number; b: number; }'.
    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)
                    ~~~~
!!! Cannot find name 'blah'.
    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
         ~~~~~~~~~~~~~~~~~~
!!! Argument of type '(s: string) => { a: unknown; }' is not assignable to parameter of type '(s: string) => { a: number; b: number; }'.
                    ~~~~
!!! Cannot find name 'blah'.