RESOLVED FIXED 256193
Assert that the scrolling tree is valid, and fix issues with negative z-index layers 
https://bugs.webkit.org/show_bug.cgi?id=256193
Summary Assert that the scrolling tree is valid, and fix issues with negative z-index...
Simon Fraser (smfr)
Reported 2023-05-01 20:38:11 PDT
We need to assert in the web process that a committed scrolling tree is valid, which will make it easier to track down causes of MESSAGE_CHECKs related to invalid scrolling trees.
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Radar WebKit Bug Importer
Comment 1 2023-05-01 20:38:41 PDT
<rdar://problem/108769471>
Simon Fraser (smfr)
Comment 2 2023-05-01 20:49:25 PDT
Pull request: https://github.com/WebKit/WebKit/pull/13350
EWS
Comment 3 2023-05-02 21:48:16 PDT
Committed 263620@main (46572d8428cb): <https://commits.webkit.org/263620@main> Reviewed commits have been landed. Closing PR #13350 and removing active labels.
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