Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 2da497c2bd9564a6af07c9583ae489c7eda04078
      
https://github.com/WebKit/WebKit/commit/2da497c2bd9564a6af07c9583ae489c7eda04078
  Author: Antti Koivisto <[email protected]>
  Date:   2025-11-17 (Mon, 17 Nov 2025)

  Changed paths:
    M 
LayoutTests/fast/inline/blocks-in-inline-margin-collapse-float-expected.html
    M LayoutTests/fast/inline/blocks-in-inline-margin-collapse-float.html
    A LayoutTests/fast/inline/blocks-in-inline-multicol-widows-expected.html
    A LayoutTests/fast/inline/blocks-in-inline-multicol-widows.html
    M Source/WebCore/layout/integration/inline/LayoutIntegrationLineLayout.cpp

  Log Message:
  -----------
  [blocks-in-inline] Stop updating block render tree positions 
LineLayout::updateRenderTreePositions
https://bugs.webkit.org/show_bug.cgi?id=302633
rdar://164875829

Reviewed by Alan Baradlay.

We compute the positions during nested layout. Another round of positioning is 
just chance to get things
wrong and hide bugs.

Test: fast/inline/blocks-in-inline-multicol-widows.html
* LayoutTests/fast/inline/blocks-in-inline-margin-collapse-float-expected.html:
* LayoutTests/fast/inline/blocks-in-inline-margin-collapse-float.html:

There was a hidden bug with this test. Update the test to not hit it for now as 
we will implement
proper margin collapsing separately.

* LayoutTests/fast/inline/blocks-in-inline-multicol-widows-expected.html: Added.
* LayoutTests/fast/inline/blocks-in-inline-multicol-widows.html: Added.

Here we got position right and then updateRenderTreePositions moved the box to 
a wrong place.

* Source/WebCore/layout/integration/inline/LayoutIntegrationLineLayout.cpp:
(WebCore::LayoutIntegration::LineLayout::updateRenderTreePositions):

Stop updating block positions.

Canonical link: https://commits.webkit.org/303117@main



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