Do not run useless test variants for test-parsing/ParserSync.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/34733002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17314 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Re-enable global load elimination after fixing misaligned load/stores.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/34653002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17315 ce2b1a6d-e550-0410-aec6-3dcde31c8c00