Bug 190210

The following layout test is flaky on all platforms compositing/geometry/limit-layer-bounds-opacity-transition.html Probable cause: This test became flakey recently. I was able to reproduce the failure using run-webkit-tests --root testbuild-236502 compositing/geometry/limit-layer-bounds-opacity-transition.html --iterations 500 -f I ran this on Mojave. This gave me a range of possible revisions for the regression between 236497-236502. Looking at the revisions I think either 236500 or 236501 are at fault but I am not sure. Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=compositing%2Fgeometry%2Flimit-layer-bounds-opacity-transition.html Diff: --- /Volumes/Data/slave/sierra-debug-tests-wk1/build/layout-test-results/compositing/geometry/limit-layer-bounds-opacity-transition-expected.txt +++ /Volumes/Data/slave/sierra-debug-tests-wk1/build/layout-test-results/compositing/geometry/limit-layer-bounds-opacity-transition-actual.txt @@ -7,7 +7,7 @@ (GraphicsLayer (bounds 800.00 600.00) (contentsOpaque 1) - (children 2 + (children 3 (GraphicsLayer (position 8.00 8.00) (anchor 1.00 1.00) @@ -18,6 +18,12 @@ (bounds 108.00 99.00) (drawsContent 1) ) + (GraphicsLayer + (position 8.00 109.00) + (bounds 784.00 18.00) + (opacity 0.00) + (drawsContent 1) + ) ) ) )