191639 2018-11-14 09:38:51 -0800 REGRESSION (r238090): [ MacOS WK1 ] Layout Test imported/blink/compositing/squashing/squashing-into-ancestor-painted-layer.html is flaky 2026-01-05 10:16:55 -0800 1 1 1 Unclassified WebKit Tools / Tests WebKit Nightly Build Unspecified Unspecified RESOLVED WONTFIX InRadar P2 Normal --- 1 tsavell webkit-unassigned jlewis3 lforschler ryanhaddad simon.fraser webkit-bug-importer oldest_to_newest 1478479 0 tsavell 2018-11-14 09:38:51 -0800 The following layout test is flaky on MacOS WK1 imported/blink/compositing/squashing/squashing-into-ancestor-painted-layer.html Probable cause: This test has begun failing often recently on Debug WK1 and on other WK1 platforms less so. Failure comes from a square being to enlarged. Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fblink%2Fcompositing%2Fsquashing%2Fsquashing-into-ancestor-painted-layer.html Image Diff: https://build.webkit.org/results/Apple%20High%20Sierra%20Debug%20WK1%20(Tests)/r238171%20(6435)/imported/blink/compositing/squashing/squashing-into-ancestor-painted-layer-diffs.html 1478493 1 tsavell 2018-11-14 10:00:07 -0800 Reproduction: run-webkit-tests --root debug-238090 imported/blink/compositing/squashing/squashing-into-ancestor-painted-layer.html --iterations 2000 -f --debug -1 I was able to reproduce this failure and bisect it to r238090. regression caused by https://trac.webkit.org/changeset/238090/webkit The test does not fail on r238089 1478505 2 webkit-bug-importer 2018-11-14 10:20:37 -0800 <rdar://problem/46066718> 1483275 3 ryanhaddad 2018-11-29 16:30:27 -0800 Marked the test as flaky in https://trac.webkit.org/r238707 1535410 4 ap 2019-05-11 16:36:21 -0700 This is still an issue. 2169339 5 jbedard 2026-01-05 10:16:55 -0800 Closing old WebKitLegacy bugs as we cut-back WebKitLegacy testing. See https://bugs.webkit.org/show_bug.cgi?id=304436.