There is currently an `arrayref` type supported in JSC, but not the equivalent `structref` (top type of all structs). This bug is for adding that type.
Pull request: https://github.com/WebKit/WebKit/pull/8546
Committed 259002@main (013719c7ab1e): <https://commits.webkit.org/259002@main> Reviewed commits have been landed. Closing PR #8546 and removing active labels.
<rdar://problem/104346468>