The patch takes a shortcut (test for < 0) for determining whether there's a pointer in the TypeIndex, which is invalid on 32-bit ARM.
Pull request: https://github.com/WebKit/WebKit/pull/6467
<rdar://problem/102577897>
Committed 257116@main (24455f014851): <https://commits.webkit.org/257116@main> Reviewed commits have been landed. Closing PR #6467 and removing active labels.