[JSC] FTL vmCall should check # of arguments
Created attachment 380402 [details] Patch
<rdar://problem/56062503>
Comment on attachment 380402 [details] Patch Nice
Committed r250848: <https://trac.webkit.org/changeset/250848>
Committed r250883: <https://trac.webkit.org/changeset/250883>
it caused regressions. Reopening
Committed r250886: <https://trac.webkit.org/changeset/250886>