http://trac.webkit.org/changeset/74172 seems to have caused a regression: http://build.webkit.org/results/SnowLeopard%20Intel%20Release%20(Tests)/r74171%20(22417)/ http://build.webkit.org/results/SnowLeopard%20Intel%20Release%20(Tests)/r74172%20(22418)/
I have a fix for this.
Created attachment 76816 [details] fixes the bug
Thanks for the review, Cameron! Will land after fixing uint3.2_t to uint32_t in ChangeLog as jamesr pointed out to me on IRC.
Committed r74216: <http://trac.webkit.org/changeset/74216>