ExpressionParser.y has an attempt to fix a "maybe uninitialized" warning which causes pedantic build failures in GCC 4.7+. Unfortunately the check has a typo and doesn't work.
Created attachment 182950 [details] Patch
Comment on attachment 182950 [details] Patch r=me
Comment on attachment 182950 [details] Patch Clearing flags on attachment: 182950 Committed r139867: <http://trac.webkit.org/changeset/139867>
All reviewed patches have been landed. Closing bug.