Right now, when copying a SharedBuffer what is return is a FragmentedSharedBuffer; causing an unnecessry memory allocation when making it contiguous again.
<rdar://problem/86829527>
Created attachment 447845 [details] Patch
Committed r287506 (245641@main): <https://commits.webkit.org/245641@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 447845 [details].