Right now, it just checks if the index being stored to is less than vector length. That makes no sense. We always need to convert to dictionary indexing mode if we're dealing w/ setters/getters/readonly props.
<rdar://problem/37080864>
Created attachment 333751 [details] patch
Comment on attachment 333751 [details] patch r=me.
Comment on attachment 333751 [details] patch Clearing flags on attachment: 333751 Committed r228454: <https://trac.webkit.org/changeset/228454>
All reviewed patches have been landed. Closing bug.