[Wasm] ref.null check should be done first in B3 call_ref
Created attachment 451047 [details] Patch
Comment on attachment 451047 [details] Patch r=me
Committed r289182 (246874@main): <https://commits.webkit.org/246874@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 451047 [details].
<rdar://problem/88548526>