Looking at <http://webkit-perf.appspot.com/graph.html#tests=[[19048,2001,32196]]&sel=1334352150299,1334956950299,351.063829787234,654.2553191489362&displayrange=7&datatype=running>, I see that we had a regression in DOM/GetElement test on Mac/Lion between r114330 and r114333. The culprit is http://trac.webkit.org/changeset/114333 https://bugs.webkit.org/show_bug.cgi?id=79299
Merging the sheriffbot generated bug *** This bug has been marked as a duplicate of bug 84511 ***