Removed the unused entry in the CallFrame
Created attachment 56670 [details] Patch
SunSpider says 0.3% faster.
Comment on attachment 56670 [details] Patch r=me
Committed r59939: <http://trac.webkit.org/changeset/59939>
http://trac.webkit.org/changeset/59939 might have broken Qt Windows 32-bit Release
This caused one layout test to fail: http://build.webkit.org/results/Leopard%20Intel%20Release%20(Tests)/r59939%20(15014)/fast/js/global-recursion-on-full-stack-pretty-diff.html