[JSC] Reinstate String#at
Created attachment 414501 [details] Patch
Comment on attachment 414501 [details] Patch Looks good.
Created attachment 414521 [details] Patch for landing
Committed r270005: <https://trac.webkit.org/changeset/270005> All reviewed patches have been landed. Closing bug and clearing flags on attachment 414521 [details].
<rdar://problem/71566550>