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

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

Summary: REGRESSION (r269245): 3 LFC tests asserting in WebCore::Layout::LayoutContext...

Status:	RESOLVED FIXED

Alias:	None

Product:	WebKit
Classification:	Unclassified
Component:	Layout and Rendering (show other bugs)
Version:	WebKit Nightly Build
Hardware:	Unspecified Unspecified

Importance:	P2 Normal
Assignee:	zalan

URL:
Keywords:	InRadar

Duplicates (1):	218460 (view as bug list)
Depends on:
Blocks:

Reported:	2020-11-02 13:12 PST by Ryan Haddad
Modified:	2020-11-02 15:57 PST (History)
CC List:	6 users (show)

See Also:	218420

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Description Ryan Haddad 2020-11-02 13:12:56 PST

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

Comment 1 Radar WebKit Bug Importer 2020-11-02 13:13:46 PST

<rdar://problem/70963336>

Comment 2 zalan 2020-11-02 13:28:35 PST

Looking into it.

Comment 3 zalan 2020-11-02 14:07:48 PST

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

Comment 4 Alexey Proskuryakov 2020-11-02 15:57:05 PST

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