Properly handle stack overflows in the AST graph builder.

R=jarin@chromium.org
BUG=chromium:429159
TEST=mjsunit/regress/regress-crbug-429159
LOG=N

Review URL: https://codereview.chromium.org/697473006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25037 ce2b1a6d-e550-0410-aec6-3dcde31c8c00