optionalParamReferencingOtherParams2.ts(2,29): error TS2304: Cannot find name 'b'.


==== optionalParamReferencingOtherParams2.ts (1 errors) ====
    var a = 1;
    function strange(x = a, y = b) { 
                                ~
!!! error TS2304: Cannot find name 'b'.
        var b = "";
        return y;
    }