[webkit-changes] [WebKit/WebKit] 8e61c7: Cleanup flex container caches when child box is no...

[Alan Baradlay]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 8e61c762c241f53fe5a2edcfe050acb01bce1308
      https://github.com/WebKit/WebKit/commit/8e61c762c241f53fe5a2edcfe050acb01bce1308
  Author: Alan Baradlay <zalan at apple.com>
  Date:   2025-01-07 (Tue, 07 Jan 2025)

  Changed paths:
    A LayoutTests/fast/flexbox/child-becomes-out-of-flow-crash-expected.txt
    A LayoutTests/fast/flexbox/child-becomes-out-of-flow-crash.html
    M Source/WebCore/rendering/RenderBox.cpp

  Log Message:
  -----------
  Cleanup flex container caches when child box is no longer a flex item
https://bugs.webkit.org/show_bug.cgi?id=285514
<rdar://142443738>

Reviewed by Antti Koivisto.

When an inflow flex container child (flex item) goes out-of-flow, it is no longer a flex item
and it does not participate in flex layout anymore. Let's remove it from flex layout caches.

* LayoutTests/fast/flexbox/child-becomes-out-of-flow-crash-expected.txt: Added.
* LayoutTests/fast/flexbox/child-becomes-out-of-flow-crash.html: Added.
* Source/WebCore/rendering/RenderBox.cpp:
(WebCore::RenderBox::styleWillChange):

Canonical link: https://commits.webkit.org/288525@main



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