...while on-heap objects are referring to it. This is accomplished
by storing a reference to its associated WasmInstanceObject on every
WasmTypeInfo object.
Details: https://bit.ly/2UxD4hW

Fixed: v8:11953
Change-Id: Ifb6f976142356021393d41c50717d210d525d521
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3043959
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Manos Koukoutos <manoskouk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75863}