[webkit-changes] [WebKit/WebKit] 17e8cb: [IFC][Ruby] Disable multicolumn for ruby boxes

[Antti Koivisto]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 17e8cb5ee8ec1bf4464d78603833a4b3a388ec2e
      https://github.com/WebKit/WebKit/commit/17e8cb5ee8ec1bf4464d78603833a4b3a388ec2e
  Author: Antti Koivisto <antti at apple.com>
  Date:   2024-01-08 (Mon, 08 Jan 2024)

  Changed paths:
    A LayoutTests/fast/ruby/ruby-multicol-crash-expected.txt
    A LayoutTests/fast/ruby/ruby-multicol-crash.html
    M Source/WebCore/rendering/RenderBlockFlow.cpp

  Log Message:
  -----------
  [IFC][Ruby] Disable multicolumn for ruby boxes
https://bugs.webkit.org/show_bug.cgi?id=267221
rdar://120496640

Reviewed by Alan Baradlay.

* LayoutTests/fast/ruby/ruby-multicol-crash-expected.txt: Added.
* LayoutTests/fast/ruby/ruby-multicol-crash.html: Added.
* Source/WebCore/rendering/RenderBlockFlow.cpp:
(WebCore::RenderBlockFlow::willCreateColumns const):

Disallow columns in ruby blocks.

Canonical link: https://commits.webkit.org/272759@main