Setting both layout-direction and direction to "rtl" on a TitleWindow results in the title being justified left, and perhaps improperly mirrored

This is with build 4.0.0.13830.
I've attached an importable Flash Builder application to this report.

Steps to reproduce:
1. Create an application that displays a TitleWindow using PopUpManager
2. Set the layout-direction and direction styles to "rtl" for the root component
3. Pop up the TitleWindow

Actual Results:
The title in the TitleWindow is displayed justified left, though the text is right-to-left.

Expected Results:
The title in the TitleWindow is justified right, with the text displayed right-to-left (I think).

Workaround (if any):
Set layout-direction to "ltr," but keep direction as "rtl." I'd like to confirm that a RTL language is displayed correctly with this method, however; it's possible to mirror the text by setting both the layout-direction and direction styles to "rtl."