REGRESSION (r246725 ): Crashes on twitch.tv

[Simon Fraser (smfr)]

REGRESSION (r246725 ): Crashes on twitch.tv

[Simon Fraser (smfr)]

Created attachment 372805 [details]
Patch

[Simon Fraser (smfr)]

<rdar://problem/52071249>

[WebKit Commit Bot]

Comment on attachment 372805 [details]
Patch

Clearing flags on attachment: 372805

Committed r246766: <https://trac.webkit.org/changeset/246766>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.

[Truitt Savell]

Looks like the new test from https://trac.webkit.org/changeset/246766/webkit
scrollingcoordinator/scrolling-tree/scroller-with-negative-z-child.html

Is crashing on iOS Sim Debug only. 

History:
http://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=scrollingcoordinator%2Fscrolling-tree%2Fscroller-with-negative-z-child.html

Crash:
https://build.webkit.org/results/Apple%20iOS%2012%20Simulator%20Debug%20WK2%20(Tests)/r246797%20(4344)/scrollingcoordinator/scrolling-tree/scroller-with-negative-z-child-crash-log.txt

[Simon Fraser (smfr)]

Will fix tonight.

[Simon Fraser (smfr)]

Fixing in bug 199218.