[Webkit-unassigned] [Bug 246203] New: REGRESSION (iOS 16): Overflowed area is not repainted when just changed to "hidden".

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=246203

            Bug ID: 246203
           Summary: REGRESSION (iOS 16): Overflowed area is not repainted
                    when just changed to "hidden".
           Product: WebKit
           Version: Safari 16
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: baba at bpsinc.jp
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Steps to reproduce:
1. Open https://jsbin.com/pukomelowe/edit?html,css,js,output by Safari 16. (It doesn't matter if it is iOS or macOS)
2. Click "1". Then the first <p> is wrapped by a black border.
3. Click "2". Then the second <p> is wrapped by a black border.

Expected behavior:
The border around the first <p> disappears.

Actual behavior:
On Safari 16, the first border still remains.

I've tested on Safari 16.0 (17614.1.25.9.10) on macOS 12.6 and iPad Simulator 16.0.
iOS 15.7 works well. This is a regression of iOS 16.

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