There's a few crashtests still disabled with WebRender. Filing this bug to re-enable large-border-radius-dashed.html although the other three probably have the same root cause as well.

Testcase: https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/generic/crashtests/large-border-radius-dashed.html bp-60a15132-4a93-4614-a1ac-101160180711 https://crash-stats.mozilla.com/search/?app_notes=~WR%2B&moz_crash_reason=~assertion%20failed%3A%20%60%28left%20%3D%3D%20right%29%60&product=Firefox&date=%3E%3D2018-07-04T17%3A47%3A27.000Z&date=%3C2018-07-11T17%3A47%3A27.000Z&_sort=-date&_facets=signature&_columns=date&_columns=signature&_columns=product&_columns=version&_columns=build_id&_columns=platform#facet-signature This looks like bug 1441392 to me. It has some sisters. Last comment: bug 1441392 comment 13.

https://treeherder.mozilla.org/#/jobs?repo=try&revision=12bd8f7edc9c18ccaeee869eac8b526f7b8300a7 ^ is a try push with the latest WR (includes servo/webrender#2916) and the crashtests re-enabled. Looks good!

Comment on attachment 8997031 [details] Bug 1474885 - Re-enable crashtests that are now passing. https://reviewboard.mozilla.org/r/260988/#review268052

Pushed by kgupta@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/e6b9e23da4d0 Re-enable crashtests that are now passing. r=nical