By the definition of ENABLE() (http://trac.webkit.org/browser/trunk/Source/JavaScriptCore/wtf/Platform.h?rev=78042#L55), it is unnecessary to explicitly disable ENABLE_ASSEMBLER_WX_EXCLUSIVE on non-iOS ports.
Created attachment 81816 [details] Patch
Comment on attachment 81816 [details] Patch r=me
Comment on attachment 81816 [details] Patch Clearing flags on attachment: 81816 Committed r78402: <http://trac.webkit.org/changeset/78402>
All reviewed patches have been landed. Closing bug.
http://trac.webkit.org/changeset/78402 might have broken SnowLeopard Intel Release (WebKit2 Tests) The following tests are not passing: fast/loader/empty-embed-src-attribute.html