Dean originally noticed the high cost of inspect.getargspec, and if Memoized is on a hot code path, it can be pretty costly to tooling.
<rdar://problem/79151940>
Created attachment 431103 [details] Patch
Comment on attachment 431103 [details] Patch Unofficial r+
Committed r278732 (238695@main): <https://commits.webkit.org/238695@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 431103 [details].