Bug 218456 – REGRESSION (r269245): 3 LFC tests asserting in WebCore::Layout::LayoutContext::verifyAndOutputMismatchingLayoutTree

• Status: RESOLVED
• Resolution: FIXED
• Component: Layout and Rendering

[Ryan Haddad]

The following tests are consistently failing an assertion on debug macOS bots:

fast/layoutformattingcontext/table-cell-baseline-offset-simple.html
fast/layoutformattingcontext/table-cell-baseline-offset-simple2.html
fast/layoutformattingcontext/table-with-margin-content-simple.html

https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&test=fast%2Flayoutformattingcontext%2Ftable-cell-baseline-offset-simple.html&test=fast%2Flayoutformattingcontext%2Ftable-cell-baseline-offset-simple2.html&test=fast%2Flayoutformattingcontext%2Ftable-with-margin-content-simple.html

https://build.webkit.org/results/Apple-Mojave-Debug-WK2-Tests/r269247%20(12863)/fast/layoutformattingcontext/table-cell-baseline-offset-simple-stderr.txt
https://build.webkit.org/results/Apple-Mojave-Debug-WK2-Tests/r269247%20(12863)/fast/layoutformattingcontext/table-cell-baseline-offset-simple2-stderr.txt
https://build.webkit.org/results/Apple-Mojave-Debug-WK2-Tests/r269247%20(12863)/fast/layoutformattingcontext/table-with-margin-content-simple-stderr.txt

[Radar WebKit Bug Importer]

<rdar://problem/70963336>

[zalan]

Looking into it.

[zalan]

https://trac.webkit.org/changeset/269274

[Alexey Proskuryakov]

*** Bug 218460 has been marked as a duplicate of this bug. ***