This is a temporary solution so prototyping of shared structs and shared
strings can be worked on in parallel.

Bug: v8:12007
Change-Id: Ic849ec66da1d3824d50d695f16e4b77380afa015
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3379222Reviewed-by: Patrick Thier <pthier@chromium.org>
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78570}