If there are measurements that are 0 (happens in memory) then when compare results creates the mean (also 0) it attempts to divide by zero
Pull request: https://github.com/WebKit/WebKit/pull/574
<rdar://problem/93375178>
Committed 252069@main (dad1de6ff386): <https://commits.webkit.org/252069@main> Reviewed commits have been landed. Closing PR #574 and removing active labels.