Confirmed this isn't a regression from bug 1837533 --> removing regression status from that bug. I can reproduce this failure on Try with an older commit, based off of bug 1849316's patch, where I made a non-functional change to a reftest-style WPT and triggered the test with `mach try fuzzy` and included `opt-test-coverage-wpt`: https://treeherder.mozilla.org/jobs?repo=try&revision=647f86d9727e0a100262158b0bc1dc890803cf64 So, presumably regression from bug 1849316.
Bug 1860375 Comment 4 Edit History
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Confirmed this isn't a regression from bug 1837533 --> removing regression status from that bug. I can reproduce this failure on Try with an older commit, based off of bug 1849316's patch, where I made a non-functional change to a reftest-style WPT and triggered this task with `mach try fuzzy` and included `opt-test-coverage-wpt`: https://treeherder.mozilla.org/jobs?repo=try&revision=647f86d9727e0a100262158b0bc1dc890803cf64 So, presumably regression from bug 1849316.