Build: NetBeans IDE Dev (Build 200910010513)
VM: Java HotSpot(TM) Client VM, 14.1-b02, Java(TM) SE Runtime Environment, 1.6.0_15-b03
OS: Windows XP, 5.1, x86


Steps to reproduce:

- Copy the code to the editor:
------------------------------------------------
function sqr(x:Number):Number{ x * x }


class A{
    var x:Number;
    var y:Number;
}
------------------------------------------------

- Reafctor->rename the x argument of the sqr function to y.

The result is:
------------------------------------------------
function sqr(y:Number):Number{ y * y }


class A{
    var y:Number;   // <- Renamed attribute !!!
    var y:Number;
}
------------------------------------------------

Main.fx:15: y is already defined in javafxapplication15.Main.A
    var y:Number;
1 error