Stop using Vector::unsafeAppendWithoutCapacityCheck() in BytecodeGenerator::prepareLexicalScopeForNextForLoopIteration().
Pull request: https://github.com/WebKit/WebKit/pull/20585
Committed 270846@main (e09df8ca93a7): <https://commits.webkit.org/270846@main> Reviewed commits have been landed. Closing PR #20585 and removing active labels.
<rdar://problem/118531787>