9bebd23d5c
This is one step in the direction of fixing a range of small bugs in the array methods when dealing with non-standard element attributes. Added tests exercising this behavior for shift and unshift. For Proxies and Interceptors, the behavior of %GetArrayKeys is now to just return an interval, rather than trying to list all their indexed properties. In the Proxy case, this seems like the only way to avoid an observable difference between smart and non-smart array methods. For Interceptors, the usual case (in WebKit, anyway) is for them to have all indices in [0, length), so enumerating them won't be any better than simply iterating over that range. Review URL: https://codereview.chromium.org/12653010 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14057 ce2b1a6d-e550-0410-aec6-3dcde31c8c00 |
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