For Windows, the end of the stack should be at the AllocationBase of the stack's reserved address range. The end of the useable memory in the stack should be at the end of the address range minus the size of the stack guard page.
Created attachment 205130 [details] the patch
Comment on attachment 205130 [details] the patch Attachment 205130 [details] did not pass efl-ews (efl): Output: http://webkit-queues.appspot.com/results/857694
Created attachment 205133 [details] patch #2
Comment on attachment 205133 [details] patch #2 Nice simplification! R=me.
Comment on attachment 205133 [details] patch #2 Clearing flags on attachment: 205133 Committed r151817: <http://trac.webkit.org/changeset/151817>
All reviewed patches have been landed. Closing bug.
Committed r154318: <http://trac.webkit.org/changeset/154318>