Early return in HTMLInputElement::attributeChanged() when the attribute value hasn't changed.
Created attachment 465969 [details] WIP Patch
Pull request: https://github.com/WebKit/WebKit/pull/12880
Committed 263151@main (c1628ee675b7): <https://commits.webkit.org/263151@main> Reviewed commits have been landed. Closing PR #12880 and removing active labels.
<rdar://problem/108286224>