R=danno@chromium.org Review URL: https://chromiumcodereview.appspot.com/16228002 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14896 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
R=danno@chromium.org Review URL: https://chromiumcodereview.appspot.com/15952007 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14894 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
- Holes are only ever loaded as double or tagged. - Change to tagged has to deoptimize on undefined (no implicit conversions from double the hole NaN -> tagged undefined). BUG= R=jkummerow@chromium.org Review URL: https://chromiumcodereview.appspot.com/16099006 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14829 ce2b1a6d-e550-0410-aec6-3dcde31c8c00