[webkit-changes] [WebKit/WebKit] b2ea2e: REGRESSION(285155 at main): [ iOS Debug ] compositing...

[mattwoodrow]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: b2ea2ee93a1c9e7451ec60482a580b60e27b7f6e
      https://github.com/WebKit/WebKit/commit/b2ea2ee93a1c9e7451ec60482a580b60e27b7f6e
  Author: Matt Woodrow <mattwoodrow at apple.com>
  Date:   2025-02-16 (Sun, 16 Feb 2025)

  Changed paths:
    M LayoutTests/platform/ios/TestExpectations
    M Source/WebCore/page/LocalFrameViewLayoutContext.cpp
    M Source/WebCore/page/LocalFrameViewLayoutContext.h

  Log Message:
  -----------
  REGRESSION(285155 at main): [ iOS Debug ] compositing/repaint/scroller-repaints-once.html is a constant crash.
https://bugs.webkit.org/show_bug.cgi?id=287650
<rdar://144803435>

Reviewed by Simon Fraser.

Changing to/from fixed layout mode affects the result of
fixedLayerIntersectsViewport, and an update for any position:fixed layers.

* LayoutTests/platform/ios/TestExpectations:
* Source/WebCore/page/LocalFrameViewLayoutContext.cpp:
(WebCore::LocalFrameViewLayoutContext::flushUpdateLayerPositions):
(WebCore::LocalFrameViewLayoutContext::updateCompositingLayersAfterStyleChange):
* Source/WebCore/page/LocalFrameViewLayoutContext.h:

Canonical link: https://commits.webkit.org/290463@main



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