1. Navigate to http://www.startnettet.dk
2. Command + click to open the "Berlingske" link
3. Close the new tab quickly (Like you changed your mind and don't want to open it anyway)
1 out 10 times it will crash WebKit.
Created attachment 13644 [details]
Probably the same cause as bug 13059
Can you please test this in the latest nightly build? The cause of the bug Mitz mentions was fixed in r20214 and is included in the most recent nightly. Please report back as to whether you can still reproduce.
Seems to work now.