The stack checks include a loop nesting depth encoded in the code stream
after the call to the stack check stub.  Change the code to jump around this
instruction as well as the call when the stack check is OK.

Review URL: http://codereview.chromium.org/6005014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6204 ce2b1a6d-e550-0410-aec6-3dcde31c8c00