I'm using the latest nightly build of WebKit (version 32416) and the latest source code of Epiphany (version 8213). When I go to the Acid3 test page, the browser crash in state 63/100 without any error messages.
It apear same bug as https://bugs.webkit.org/show_bug.cgi?id=18456
*** This bug has been marked as a duplicate of bug 18456 ***