If the sandbox is blocking access, we end up storing an incorrect value for the alignment.
<rdar://problem/97088844>
Pull request: https://github.com/WebKit/WebKit/pull/2466
Committed 252536@main (56f4658b0a4b): <https://commits.webkit.org/252536@main> Reviewed commits have been landed. Closing PR #2466 and removing active labels.