JSString::toIdentifier() avoids allocating a new StringImpl when serializing a rope string into an already-existing Identifier.
Created attachment 237324 [details] Patch
Comment on attachment 237324 [details] Patch r=me
Comment on attachment 237324 [details] Patch Clearing flags on attachment: 237324 Committed r173082: <http://trac.webkit.org/changeset/173082>
All reviewed patches have been landed. Closing bug.