[webkit-changes] [WebKit/WebKit] d773df: [MathML] Do not ignore out-of-flow boxes while pro...

[Alan Baradlay]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: d773dfd6ab0f38b6a3ef6138bd7dd82a5ff8e2b5
      https://github.com/WebKit/WebKit/commit/d773dfd6ab0f38b6a3ef6138bd7dd82a5ff8e2b5
  Author: Alan Baradlay <zalan at apple.com>
  Date:   2023-03-19 (Sun, 19 Mar 2023)

  Changed paths:
    A LayoutTests/mathml/invalid-content-with-absolute-positioned-child-crash-expected.txt
    A LayoutTests/mathml/invalid-content-with-absolute-positioned-child-crash.html
    M Source/WebCore/rendering/mathml/RenderMathMLBlock.cpp

  Log Message:
  -----------
  [MathML] Do not ignore out-of-flow boxes while processing invalid mathml content
https://bugs.webkit.org/show_bug.cgi?id=254093
<rdar://106856442>

Reviewed by Antti Koivisto.

Not adding out-of-flow boxes to their containing block's positioned list results in leaving some renderers dirty.

* LayoutTests/mathml/invalid-content-with-absolute-positioned-child-crash-expected.txt: Added.
* LayoutTests/mathml/invalid-content-with-absolute-positioned-child-crash.html: Added.
* Source/WebCore/rendering/mathml/RenderMathMLBlock.cpp:
(WebCore::RenderMathMLBlock::layoutInvalidMarkup):

Canonical link: https://commits.webkit.org/261841@main