Serialization should have exception checks
Created attachment 408518 [details] Patch
<rdar://problem/68633776>
Updating binding tests too.
Created attachment 408519 [details] Patch
Comment on attachment 408519 [details] Patch Windows failure looks unrelated since the added code is only effective in debug build
Committed r266954: <https://trac.webkit.org/changeset/266954>