TCSystemAlloc.cpp has code inside HAVE(SBRK). However, we never really use sbrk() since the call to it is governed by the use_sbrk flag and that was set to false in 2005 in r10701 for bug 5243. We can move that code to be inside ifndef WTF_CHANGES.
<rdar://problem/12363601>
Created attachment 165522 [details] Patch
Comment on attachment 165522 [details] Patch r=me
Thanks Geoff. I'll wait for the EWS bots to finish the builds before checking this in. Just in case...
Committed r129549: <http://trac.webkit.org/changeset/129549>