FF17 svg clip-path calculated incorrectly

I have run into an issue where a rectangle element with a clip-path applied
does not respond correctly to mouse events.

Visually, the clip-path is applied correctly, however, the rectangle
element responds to mouse events as if the clip path were applied with
coordinates relative to the rectangle element.  Since this has only come up
since FF17, I'm assuming its a bug.

Here is a JSFiddle which reproduces this issue.

http://jsfiddle.net/xVkY3/


Thanks,
Andrew