Using the subscript operator ([]) on a WTF::String currently forces the string to convert itself to 16-bit if it's 8-bit internally. If we avoid this, we can save quite a bit of memory for the cases where this is the only thing triggering the conversion.
Created attachment 134582 [details] Proposed patch
Comment on attachment 134582 [details] Proposed patch Clearing flags on attachment: 134582 Committed r112543: <http://trac.webkit.org/changeset/112543>
All reviewed patches have been landed. Closing bug.