Add suppressions for regress-319722-ArrayBuffer.

TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/59093007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17803 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Generate KeyedLoadDictionaryElementStub with Hydrogen

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/19492007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17804 ce2b1a6d-e550-0410-aec6-3dcde31c8c00