Leak data <http://build.webkit.org/LeaksViewer/?url=%2Fresults%2FLion%20Leaks%2Fr113221%20%282960%29%2F> are showing a pretty big leak in WebCore::SVGFontElement::create()
Is bug 82445 related?
<rdar://problem/11256295>
I'm pretty sure this is https://bugs.webkit.org/show_bug.cgi?id=66438 *** This bug has been marked as a duplicate of bug 66438 ***