189598 2018-09-13 11:52:39 -0700 REGRESSION: (r235948) Layout Test compositing/backing/backing-store-attachment-fill-forwards-animation.html is a flaky failure 2018-09-26 06:13:04 -0700 1 1 1 Unclassified WebKit Tools / Tests WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 187845 InRadar P2 Normal --- 1 tsavell webkit-unassigned dino graouts lforschler ryanhaddad webkit-bug-importer oldest_to_newest 1459460 0 tsavell 2018-09-13 11:52:39 -0700 The following layout test is failing on Mac WK2 compositing/backing/backing-store-attachment-fill-forwards-animation.html Probable cause: flakiness started with https://trac.webkit.org/changeset/235948/webkit. confirmed with command: run-webkit-tests --root testbuild-235948 compositing/backing/backing-store-attachment-fill-forwards-animation.html --iterations 100 -f failures do not occur on 235947. Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=compositing%2Fbacking%2Fbacking-store-attachment-fill-forwards-animation.html 1459874 1 tsavell 2018-09-14 13:46:48 -0700 Diff: https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK2%20(Tests)/r236009%20(8003)/compositing/backing/backing-store-attachment-fill-forwards-animation-pretty-diff.html one line is no longer being written. 1461390 2 webkit-bug-importer 2018-09-20 09:45:16 -0700 <rdar://problem/44644432> 1463329 3 ryanhaddad 2018-09-25 14:05:02 -0700 Marked test as flaky in https://trac.webkit.org/r236473 1463571 4 graouts 2018-09-26 06:13:04 -0700 This is basically a duplicate of https://bugs.webkit.org/show_bug.cgi?id=187845, the regression occurred because Dean turned the flag on by default in WK2. I think we should just track this as the bug Simon raised originally. *** This bug has been marked as a duplicate of bug 187845 ***