Might as well try it and see if it affects variance in test execution times.. 2-30+ seconds per debug test is not good, and I can't reproduce such slow times on my own old hardware.
Created attachment 260377 [details]
Comment on attachment 260377 [details]
Clearing flags on attachment: 260377
Committed r189228: <http://trac.webkit.org/changeset/189228>
All reviewed patches have been landed. Closing bug.