Currently these dog-arguments-oar exit tests fail: jsc-layout-tests.yaml/js/script-tests/dfg-arguments-alias-one-block-osr-exit jsc-layout-tests.yaml/js/script-tests/dfg-arguments-osr-exit jsc-layout-tests.yaml/js/script-tests/dfg-arguments-osr-exit-multiple-blocks jsc-layout-tests.yaml/js/script-tests/dfg-arguments-osr-exit-multiple-blocks-before-exit jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-out-of-bounds
Yup, I'm on it!
Created attachment 219924 [details] the patch
Landed in http://trac.webkit.org/changeset/161012