Patch coming.
<rdar://problem/33735857>
Created attachment 317318 [details] proposed patch. Let's try this on the EWS.
Comment on attachment 317318 [details] proposed patch. This patch has passed for 32-bit and 64-bit on my local builds. Time for a review.
Thanks for the review. Landed in r220308: <http://trac.webkit.org/r220308>.