The wast.js test driver for Wasm GC tests is compiled from an old version of the proposal's reference interpreter. Updating it to a newer version is needed for testing recent spec changes, such as the optional `final` flag used for `sub` types.
Pull request: https://github.com/WebKit/WebKit/pull/16452
Committed 266686@main (0769977d7b44): <https://commits.webkit.org/266686@main> Reviewed commits have been landed. Closing PR #16452 and removing active labels.
<rdar://problem/113571376>