Comment tooltips do not paint (or unpaint) properly. As a result, visual artifacts are left behind.
Here is an example: http://i.imgur.com/nkudwdO.png
Tested on a common graphics chipset: Intel HD Graphics 4000
Test OS: Win 7 SP1 64-bit
Thank you for submitting the bug. The bug has previously been reported, so this bug will be added as a duplicate of it. You will automatically be CCed to updates made to the other bug.
*** This bug has been marked as a duplicate of bug 73287 ***
Thank you raal. I copied the new information to that bug report.