See: http://build.chromium.org/p/chromium.webkit/builders/Webkit%20Win%20%28deps%29%28dbg%29%281%29/builds/3953/steps/webkit_unit_tests/logs/stdio (search for TransparencyWin.TranslateScaleOpaqueCompositeLayer).
Looks like this started failing with http://trac.webkit.org/changeset/84631
Created attachment 90963 [details]
Comment on attachment 90963 [details]
Clearing flags on attachment: 90963
Committed r84813: <http://trac.webkit.org/changeset/84813>
All reviewed patches have been landed. Closing bug.
http://trac.webkit.org/changeset/84813 might have broken Qt Linux ARMv7 Release
okay, this needed to be marked DISABLED_* , not FAILS_*.
Here's a better log with a more useful stack trace: