See https://bugs.webkit.org/show_bug.cgi?id=68348. Failing test on chromium side is fast/js/string-split-conformance.html
V8 issue http://code.google.com/p/v8/issues/detail?id=1703
Updated v8 issue with a triage: http://code.google.com/p/v8/issues/detail?id=1711.
Fixed upstream in http://code.google.com/p/v8/source/detail?r=9371, now we just wait for the v8 roll in Chromium, and then the Chromium roll in WebKit.
It's rolled