http://build.webkit.sed.hu/results/x86-32%20Linux%20Qt%20Release%20WebKit2/r104025%20(17947)/results.html
I have no idea who and when fixed it, but they work now.
I found it: http://trac.webkit.org/changeset/104040 One more duplicated bug, cool ... :-/ *** This bug has been marked as a duplicate of bug 75545 ***